diff --git a/indexer/docker-compose.yml b/indexer/docker-compose.yml
index 639168d8e0f87..783d50d138107 100644
--- a/indexer/docker-compose.yml
+++ b/indexer/docker-compose.yml
@@ -32,21 +32,21 @@ services:
       - INDEXER_DB_PASSWORD=${INDEXER_DB_PASSWORD:-db_password}
       - INDEXER_DB_NAME=${INDEXER_DB_NAME:-db_name}
       - INDEXER_DB_HOST=${INDEXER_DB_HOST:-postgres}
-      - INDEXER_CHAIN_ID=${INDEXER_CHAIN_ID:-5}
-      - INDEXER_L1_ETH_RPC=$INDEXER_L1_ETH_RPC
-      - INDEXER_L2_ETH_RPC=$INDEXER_L2_ETH_RPC
+      - INDEXER_CHAIN_ID=${INDEXER_CHAIN_ID:-900}
+      - INDEXER_L1_ETH_RPC=http://192.168.43.166:8545
+      - INDEXER_L2_ETH_RPC=http://192.168.43.166:9545
       - INDEXER_REST_HOSTNAME=0.0.0.0
       - INDEXER_REST_PORT=8080
       - INDEXER_BEDROCK_L1_STANDARD_BRIDGE=0
-      - INDEXER_BEDROCK_L1_STANDARD_BRIDGE=${INDEXER_BEDROCK_L1_STANDARD_BRIDGE:-0x636Af16bf2f682dD3109e60102b8E1A089FedAa8}
-      - INDEXER_BEDROCK_OPTIMISM_PORTAL=${INDEXER_BEDROCK_OPTIMISM_PORTAL:-0xB7040fd32359688346A3D1395a42114cf8E3b9b2}
-      - INDEXER_L1_ADDRESS_MANAGER_ADDRESS=${INDEXER_L1_ADDRESS_MANAGER_ADDRESS:-0xdE1FCfB0851916CA5101820A69b13a4E276bd81F}
+      - INDEXER_BEDROCK_L1_STANDARD_BRIDGE=${INDEXER_BEDROCK_L1_STANDARD_BRIDGE:-0x6900000000000000000000000000000000000003}
+      - INDEXER_BEDROCK_OPTIMISM_PORTAL=${INDEXER_BEDROCK_OPTIMISM_PORTAL:-0x6900000000000000000000000000000000000001}
+      - INDEXER_L1_ADDRESS_MANAGER_ADDRESS=${INDEXER_L1_ADDRESS_MANAGER_ADDRESS:-0x6900000000000000000000000000000000000005}
     ports:
       - 8080:8080
     depends_on:
       postgres:
         condition: service_healthy
-        
+
   ui:
     build:
       context: ..
@@ -61,7 +61,7 @@ services:
       postgres:
         condition: service_healthy
 
-  prisma-check: 
+  prisma-check:
     restart: "no"
     build:
       context: ..
diff --git a/l2geth/tests/testdata b/l2geth/tests/testdata
new file mode 160000
index 0000000000000..ff68495eb56c3
--- /dev/null
+++ b/l2geth/tests/testdata
@@ -0,0 +1 @@
+Subproject commit ff68495eb56c382b2ddcea4020259e106353b874
diff --git a/op-bindings/bindings/addressmanager.go b/op-bindings/bindings/addressmanager.go
index c812c9c2c31d0..2cb3f53191310 100644
--- a/op-bindings/bindings/addressmanager.go
+++ b/op-bindings/bindings/addressmanager.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // AddressManagerMetaData contains all meta data concerning the AddressManager contract.
@@ -156,11 +157,11 @@ func NewAddressManagerFilterer(address common.Address, filterer bind.ContractFil
 
 // bindAddressManager binds a generic wrapper to an already deployed contract.
 func bindAddressManager(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(AddressManagerABI))
+	parsed, err := AddressManagerMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/basefeevault.go b/op-bindings/bindings/basefeevault.go
index de7a1622c800c..7f955bd7cbbc2 100644
--- a/op-bindings/bindings/basefeevault.go
+++ b/op-bindings/bindings/basefeevault.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // BaseFeeVaultMetaData contains all meta data concerning the BaseFeeVault contract.
@@ -156,11 +157,11 @@ func NewBaseFeeVaultFilterer(address common.Address, filterer bind.ContractFilte
 
 // bindBaseFeeVault binds a generic wrapper to an already deployed contract.
 func bindBaseFeeVault(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(BaseFeeVaultABI))
+	parsed, err := BaseFeeVaultMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/deployerwhitelist.go b/op-bindings/bindings/deployerwhitelist.go
index 1a0864a4060b7..0bd84000a8f69 100644
--- a/op-bindings/bindings/deployerwhitelist.go
+++ b/op-bindings/bindings/deployerwhitelist.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // DeployerWhitelistMetaData contains all meta data concerning the DeployerWhitelist contract.
@@ -156,11 +157,11 @@ func NewDeployerWhitelistFilterer(address common.Address, filterer bind.Contract
 
 // bindDeployerWhitelist binds a generic wrapper to an already deployed contract.
 func bindDeployerWhitelist(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(DeployerWhitelistABI))
+	parsed, err := DeployerWhitelistMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/erc20.go b/op-bindings/bindings/erc20.go
index 766f6eb69b117..3a5928324cb4c 100644
--- a/op-bindings/bindings/erc20.go
+++ b/op-bindings/bindings/erc20.go
@@ -26,12 +26,13 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // ERC20MetaData contains all meta data concerning the ERC20 contract.
 var ERC20MetaData = &bind.MetaData{
 	ABI: "[{\"inputs\":[{\"internalType\":\"string\",\"name\":\"name_\",\"type\":\"string\"},{\"internalType\":\"string\",\"name\":\"symbol_\",\"type\":\"string\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Approval\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"owner\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"}],\"name\":\"allowance\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"decimals\",\"outputs\":[{\"internalType\":\"uint8\",\"name\":\"\",\"type\":\"uint8\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"subtractedValue\",\"type\":\"uint256\"}],\"name\":\"decreaseAllowance\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"spender\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"addedValue\",\"type\":\"uint256\"}],\"name\":\"increaseAllowance\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"name\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"symbol\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"totalSupply\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"transfer\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"amount\",\"type\":\"uint256\"}],\"name\":\"transferFrom\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]",
-	Bin: 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",
+	Bin: "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 }
 
 // ERC20ABI is the input ABI used to generate the binding from.
@@ -156,11 +157,11 @@ func NewERC20Filterer(address common.Address, filterer bind.ContractFilterer) (*
 
 // bindERC20 binds a generic wrapper to an already deployed contract.
 func bindERC20(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(ERC20ABI))
+	parsed, err := ERC20MetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/gaspriceoracle.go b/op-bindings/bindings/gaspriceoracle.go
index d2904367a11f1..2eacab901da8b 100644
--- a/op-bindings/bindings/gaspriceoracle.go
+++ b/op-bindings/bindings/gaspriceoracle.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // GasPriceOracleMetaData contains all meta data concerning the GasPriceOracle contract.
@@ -156,11 +157,11 @@ func NewGasPriceOracleFilterer(address common.Address, filterer bind.ContractFil
 
 // bindGasPriceOracle binds a generic wrapper to an already deployed contract.
 func bindGasPriceOracle(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(GasPriceOracleABI))
+	parsed, err := GasPriceOracleMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/l1block.go b/op-bindings/bindings/l1block.go
index 5d4c17def2471..507dc8d6f21d0 100644
--- a/op-bindings/bindings/l1block.go
+++ b/op-bindings/bindings/l1block.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // L1BlockMetaData contains all meta data concerning the L1Block contract.
@@ -156,11 +157,11 @@ func NewL1BlockFilterer(address common.Address, filterer bind.ContractFilterer)
 
 // bindL1Block binds a generic wrapper to an already deployed contract.
 func bindL1Block(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(L1BlockABI))
+	parsed, err := L1BlockMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/l1blocknumber.go b/op-bindings/bindings/l1blocknumber.go
index faf3c0f1e96f4..66b122edc3081 100644
--- a/op-bindings/bindings/l1blocknumber.go
+++ b/op-bindings/bindings/l1blocknumber.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // L1BlockNumberMetaData contains all meta data concerning the L1BlockNumber contract.
@@ -156,11 +157,11 @@ func NewL1BlockNumberFilterer(address common.Address, filterer bind.ContractFilt
 
 // bindL1BlockNumber binds a generic wrapper to an already deployed contract.
 func bindL1BlockNumber(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(L1BlockNumberABI))
+	parsed, err := L1BlockNumberMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/l1crossdomainmessenger.go b/op-bindings/bindings/l1crossdomainmessenger.go
index 74e9cbf3356c9..a6952102fd459 100644
--- a/op-bindings/bindings/l1crossdomainmessenger.go
+++ b/op-bindings/bindings/l1crossdomainmessenger.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // L1CrossDomainMessengerMetaData contains all meta data concerning the L1CrossDomainMessenger contract.
@@ -156,11 +157,11 @@ func NewL1CrossDomainMessengerFilterer(address common.Address, filterer bind.Con
 
 // bindL1CrossDomainMessenger binds a generic wrapper to an already deployed contract.
 func bindL1CrossDomainMessenger(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(L1CrossDomainMessengerABI))
+	parsed, err := L1CrossDomainMessengerMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/l1erc721bridge.go b/op-bindings/bindings/l1erc721bridge.go
index a12168bdd3c83..10968659067cd 100644
--- a/op-bindings/bindings/l1erc721bridge.go
+++ b/op-bindings/bindings/l1erc721bridge.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // L1ERC721BridgeMetaData contains all meta data concerning the L1ERC721Bridge contract.
@@ -156,11 +157,11 @@ func NewL1ERC721BridgeFilterer(address common.Address, filterer bind.ContractFil
 
 // bindL1ERC721Bridge binds a generic wrapper to an already deployed contract.
 func bindL1ERC721Bridge(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(L1ERC721BridgeABI))
+	parsed, err := L1ERC721BridgeMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/l1feevault.go b/op-bindings/bindings/l1feevault.go
index 733c0a2136201..1ec94e4c112d4 100644
--- a/op-bindings/bindings/l1feevault.go
+++ b/op-bindings/bindings/l1feevault.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // L1FeeVaultMetaData contains all meta data concerning the L1FeeVault contract.
@@ -156,11 +157,11 @@ func NewL1FeeVaultFilterer(address common.Address, filterer bind.ContractFiltere
 
 // bindL1FeeVault binds a generic wrapper to an already deployed contract.
 func bindL1FeeVault(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(L1FeeVaultABI))
+	parsed, err := L1FeeVaultMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/l1standardbridge.go b/op-bindings/bindings/l1standardbridge.go
index 3427d5d6360c2..3f75f062ad08d 100644
--- a/op-bindings/bindings/l1standardbridge.go
+++ b/op-bindings/bindings/l1standardbridge.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // L1StandardBridgeMetaData contains all meta data concerning the L1StandardBridge contract.
@@ -156,11 +157,11 @@ func NewL1StandardBridgeFilterer(address common.Address, filterer bind.ContractF
 
 // bindL1StandardBridge binds a generic wrapper to an already deployed contract.
 func bindL1StandardBridge(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(L1StandardBridgeABI))
+	parsed, err := L1StandardBridgeMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/l2crossdomainmessenger.go b/op-bindings/bindings/l2crossdomainmessenger.go
index 8dcd4967d34dc..09b3b061fc5a1 100644
--- a/op-bindings/bindings/l2crossdomainmessenger.go
+++ b/op-bindings/bindings/l2crossdomainmessenger.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // L2CrossDomainMessengerMetaData contains all meta data concerning the L2CrossDomainMessenger contract.
@@ -156,11 +157,11 @@ func NewL2CrossDomainMessengerFilterer(address common.Address, filterer bind.Con
 
 // bindL2CrossDomainMessenger binds a generic wrapper to an already deployed contract.
 func bindL2CrossDomainMessenger(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(L2CrossDomainMessengerABI))
+	parsed, err := L2CrossDomainMessengerMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/l2erc721bridge.go b/op-bindings/bindings/l2erc721bridge.go
index 4cb400dca97bf..3c74c587da496 100644
--- a/op-bindings/bindings/l2erc721bridge.go
+++ b/op-bindings/bindings/l2erc721bridge.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // L2ERC721BridgeMetaData contains all meta data concerning the L2ERC721Bridge contract.
@@ -156,11 +157,11 @@ func NewL2ERC721BridgeFilterer(address common.Address, filterer bind.ContractFil
 
 // bindL2ERC721Bridge binds a generic wrapper to an already deployed contract.
 func bindL2ERC721Bridge(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(L2ERC721BridgeABI))
+	parsed, err := L2ERC721BridgeMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/l2outputoracle.go b/op-bindings/bindings/l2outputoracle.go
index 0cd7507855ec7..604dedfdd7805 100644
--- a/op-bindings/bindings/l2outputoracle.go
+++ b/op-bindings/bindings/l2outputoracle.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // TypesOutputProposal is an auto generated low-level Go binding around an user-defined struct.
@@ -163,11 +164,11 @@ func NewL2OutputOracleFilterer(address common.Address, filterer bind.ContractFil
 
 // bindL2OutputOracle binds a generic wrapper to an already deployed contract.
 func bindL2OutputOracle(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(L2OutputOracleABI))
+	parsed, err := L2OutputOracleMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/l2standardbridge.go b/op-bindings/bindings/l2standardbridge.go
index 8c4c9c5bf9c85..6c88e897d2248 100644
--- a/op-bindings/bindings/l2standardbridge.go
+++ b/op-bindings/bindings/l2standardbridge.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // L2StandardBridgeMetaData contains all meta data concerning the L2StandardBridge contract.
@@ -156,11 +157,11 @@ func NewL2StandardBridgeFilterer(address common.Address, filterer bind.ContractF
 
 // bindL2StandardBridge binds a generic wrapper to an already deployed contract.
 func bindL2StandardBridge(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(L2StandardBridgeABI))
+	parsed, err := L2StandardBridgeMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/l2tol1messagepasser.go b/op-bindings/bindings/l2tol1messagepasser.go
index b2f7bf1de4689..1281222150a34 100644
--- a/op-bindings/bindings/l2tol1messagepasser.go
+++ b/op-bindings/bindings/l2tol1messagepasser.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // L2ToL1MessagePasserMetaData contains all meta data concerning the L2ToL1MessagePasser contract.
@@ -156,11 +157,11 @@ func NewL2ToL1MessagePasserFilterer(address common.Address, filterer bind.Contra
 
 // bindL2ToL1MessagePasser binds a generic wrapper to an already deployed contract.
 func bindL2ToL1MessagePasser(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(L2ToL1MessagePasserABI))
+	parsed, err := L2ToL1MessagePasserMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/legacyerc20eth.go b/op-bindings/bindings/legacyerc20eth.go
index 71f0588fedc82..6e63fb359cf20 100644
--- a/op-bindings/bindings/legacyerc20eth.go
+++ b/op-bindings/bindings/legacyerc20eth.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // LegacyERC20ETHMetaData contains all meta data concerning the LegacyERC20ETH contract.
@@ -156,11 +157,11 @@ func NewLegacyERC20ETHFilterer(address common.Address, filterer bind.ContractFil
 
 // bindLegacyERC20ETH binds a generic wrapper to an already deployed contract.
 func bindLegacyERC20ETH(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(LegacyERC20ETHABI))
+	parsed, err := LegacyERC20ETHMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/legacymessagepasser.go b/op-bindings/bindings/legacymessagepasser.go
index d3745941bc2eb..1a1bb0b3245f2 100644
--- a/op-bindings/bindings/legacymessagepasser.go
+++ b/op-bindings/bindings/legacymessagepasser.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // LegacyMessagePasserMetaData contains all meta data concerning the LegacyMessagePasser contract.
@@ -156,11 +157,11 @@ func NewLegacyMessagePasserFilterer(address common.Address, filterer bind.Contra
 
 // bindLegacyMessagePasser binds a generic wrapper to an already deployed contract.
 func bindLegacyMessagePasser(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(LegacyMessagePasserABI))
+	parsed, err := LegacyMessagePasserMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/optimismmintableerc20.go b/op-bindings/bindings/optimismmintableerc20.go
index 6c9bbb4d25aa8..5365eb7a2bdc2 100644
--- a/op-bindings/bindings/optimismmintableerc20.go
+++ b/op-bindings/bindings/optimismmintableerc20.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // OptimismMintableERC20MetaData contains all meta data concerning the OptimismMintableERC20 contract.
@@ -156,11 +157,11 @@ func NewOptimismMintableERC20Filterer(address common.Address, filterer bind.Cont
 
 // bindOptimismMintableERC20 binds a generic wrapper to an already deployed contract.
 func bindOptimismMintableERC20(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(OptimismMintableERC20ABI))
+	parsed, err := OptimismMintableERC20MetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/optimismmintableerc20factory.go b/op-bindings/bindings/optimismmintableerc20factory.go
index be99e2c4e69da..565fb54f777df 100644
--- a/op-bindings/bindings/optimismmintableerc20factory.go
+++ b/op-bindings/bindings/optimismmintableerc20factory.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // OptimismMintableERC20FactoryMetaData contains all meta data concerning the OptimismMintableERC20Factory contract.
@@ -156,11 +157,11 @@ func NewOptimismMintableERC20FactoryFilterer(address common.Address, filterer bi
 
 // bindOptimismMintableERC20Factory binds a generic wrapper to an already deployed contract.
 func bindOptimismMintableERC20Factory(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(OptimismMintableERC20FactoryABI))
+	parsed, err := OptimismMintableERC20FactoryMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/optimismmintableerc721factory.go b/op-bindings/bindings/optimismmintableerc721factory.go
index 494861c9dc95a..5188bd1f3f90e 100644
--- a/op-bindings/bindings/optimismmintableerc721factory.go
+++ b/op-bindings/bindings/optimismmintableerc721factory.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // OptimismMintableERC721FactoryMetaData contains all meta data concerning the OptimismMintableERC721Factory contract.
@@ -156,11 +157,11 @@ func NewOptimismMintableERC721FactoryFilterer(address common.Address, filterer b
 
 // bindOptimismMintableERC721Factory binds a generic wrapper to an already deployed contract.
 func bindOptimismMintableERC721Factory(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(OptimismMintableERC721FactoryABI))
+	parsed, err := OptimismMintableERC721FactoryMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/optimismportal.go b/op-bindings/bindings/optimismportal.go
index 5426551f12c4a..7af7d480f96fb 100644
--- a/op-bindings/bindings/optimismportal.go
+++ b/op-bindings/bindings/optimismportal.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // TypesOutputRootProof is an auto generated low-level Go binding around an user-defined struct.
@@ -48,8 +49,8 @@ type TypesWithdrawalTransaction struct {
 
 // OptimismPortalMetaData contains all meta data concerning the OptimismPortal contract.
 var OptimismPortalMetaData = &bind.MetaData{
-	ABI: "[{\"inputs\":[{\"internalType\":\"contractL2OutputOracle\",\"name\":\"_l2Oracle\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_guardian\",\"type\":\"address\"},{\"internalType\":\"bool\",\"name\":\"_paused\",\"type\":\"bool\"},{\"internalType\":\"contractSystemConfig\",\"name\":\"_config\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint8\",\"name\":\"version\",\"type\":\"uint8\"}],\"name\":\"Initialized\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"Paused\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"version\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"opaqueData\",\"type\":\"bytes\"}],\"name\":\"TransactionDeposited\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"Unpaused\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"withdrawalHash\",\"type\":\"bytes32\"},{\"indexed\":false,\"internalType\":\"bool\",\"name\":\"success\",\"type\":\"bool\"}],\"name\":\"WithdrawalFinalized\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"withdrawalHash\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"}],\"name\":\"WithdrawalProven\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"GUARDIAN\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"L2_ORACLE\",\"outputs\":[{\"internalType\":\"contractL2OutputOracle\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"SYSTEM_CONFIG\",\"outputs\":[{\"internalType\":\"contractSystemConfig\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_value\",\"type\":\"uint256\"},{\"internalType\":\"uint64\",\"name\":\"_gasLimit\",\"type\":\"uint64\"},{\"internalType\":\"bool\",\"name\":\"_isCreation\",\"type\":\"bool\"},{\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"depositTransaction\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"donateETH\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"nonce\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"internalType\":\"structTypes.WithdrawalTransaction\",\"name\":\"_tx\",\"type\":\"tuple\"}],\"name\":\"finalizeWithdrawalTransaction\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"name\":\"finalizedWithdrawals\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bool\",\"name\":\"_paused\",\"type\":\"bool\"}],\"name\":\"initialize\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_l2OutputIndex\",\"type\":\"uint256\"}],\"name\":\"isOutputFinalized\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"l2Sender\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint64\",\"name\":\"_byteCount\",\"type\":\"uint64\"}],\"name\":\"minimumGasLimit\",\"outputs\":[{\"internalType\":\"uint64\",\"name\":\"\",\"type\":\"uint64\"}],\"stateMutability\":\"pure\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"params\",\"outputs\":[{\"internalType\":\"uint128\",\"name\":\"prevBaseFee\",\"type\":\"uint128\"},{\"internalType\":\"uint64\",\"name\":\"prevBoughtGas\",\"type\":\"uint64\"},{\"internalType\":\"uint64\",\"name\":\"prevBlockNum\",\"type\":\"uint64\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"pause\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"paused\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"nonce\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"internalType\":\"structTypes.WithdrawalTransaction\",\"name\":\"_tx\",\"type\":\"tuple\"},{\"internalType\":\"uint256\",\"name\":\"_l2OutputIndex\",\"type\":\"uint256\"},{\"components\":[{\"internalType\":\"bytes32\",\"name\":\"version\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"stateRoot\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"messagePasserStorageRoot\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"latestBlockhash\",\"type\":\"bytes32\"}],\"internalType\":\"structTypes.OutputRootProof\",\"name\":\"_outputRootProof\",\"type\":\"tuple\"},{\"internalType\":\"bytes[]\",\"name\":\"_withdrawalProof\",\"type\":\"bytes[]\"}],\"name\":\"proveWithdrawalTransaction\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"name\":\"provenWithdrawals\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"outputRoot\",\"type\":\"bytes32\"},{\"internalType\":\"uint128\",\"name\":\"timestamp\",\"type\":\"uint128\"},{\"internalType\":\"uint128\",\"name\":\"l2OutputIndex\",\"type\":\"uint128\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"unpause\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"version\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"stateMutability\":\"payable\",\"type\":\"receive\"}]",
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+	ABI: "[{\"inputs\":[{\"internalType\":\"contractL2OutputOracle\",\"name\":\"_l2Oracle\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_guardian\",\"type\":\"address\"},{\"internalType\":\"contractSystemConfig\",\"name\":\"_config\",\"type\":\"address\"}],\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint8\",\"name\":\"version\",\"type\":\"uint8\"}],\"name\":\"Initialized\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"Paused\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"uint256\",\"name\":\"version\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"bytes\",\"name\":\"opaqueData\",\"type\":\"bytes\"}],\"name\":\"TransactionDeposited\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"account\",\"type\":\"address\"}],\"name\":\"Unpaused\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"withdrawalHash\",\"type\":\"bytes32\"},{\"indexed\":false,\"internalType\":\"bool\",\"name\":\"success\",\"type\":\"bool\"}],\"name\":\"WithdrawalFinalized\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"bytes32\",\"name\":\"withdrawalHash\",\"type\":\"bytes32\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"from\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"to\",\"type\":\"address\"}],\"name\":\"WithdrawalProven\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"GUARDIAN\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"L2_ORACLE\",\"outputs\":[{\"internalType\":\"contractL2OutputOracle\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"SYSTEM_CONFIG\",\"outputs\":[{\"internalType\":\"contractSystemConfig\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_value\",\"type\":\"uint256\"},{\"internalType\":\"uint64\",\"name\":\"_gasLimit\",\"type\":\"uint64\"},{\"internalType\":\"bool\",\"name\":\"_isCreation\",\"type\":\"bool\"},{\"internalType\":\"bytes\",\"name\":\"_data\",\"type\":\"bytes\"}],\"name\":\"depositTransaction\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"donateETH\",\"outputs\":[],\"stateMutability\":\"payable\",\"type\":\"function\"},{\"inputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"nonce\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"internalType\":\"structTypes.WithdrawalTransaction\",\"name\":\"_tx\",\"type\":\"tuple\"}],\"name\":\"finalizeWithdrawalTransaction\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"name\":\"finalizedWithdrawals\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bool\",\"name\":\"_paused\",\"type\":\"bool\"},{\"internalType\":\"address\",\"name\":\"_l1Messenger\",\"type\":\"address\"}],\"name\":\"initialize\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"_l2OutputIndex\",\"type\":\"uint256\"}],\"name\":\"isOutputFinalized\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"l1Messenger\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"l2Sender\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"uint64\",\"name\":\"_byteCount\",\"type\":\"uint64\"}],\"name\":\"minimumGasLimit\",\"outputs\":[{\"internalType\":\"uint64\",\"name\":\"\",\"type\":\"uint64\"}],\"stateMutability\":\"pure\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"params\",\"outputs\":[{\"internalType\":\"uint128\",\"name\":\"prevBaseFee\",\"type\":\"uint128\"},{\"internalType\":\"uint64\",\"name\":\"prevBoughtGas\",\"type\":\"uint64\"},{\"internalType\":\"uint64\",\"name\":\"prevBlockNum\",\"type\":\"uint64\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"pause\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"paused\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"components\":[{\"internalType\":\"uint256\",\"name\":\"nonce\",\"type\":\"uint256\"},{\"internalType\":\"address\",\"name\":\"sender\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"target\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"value\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"gasLimit\",\"type\":\"uint256\"},{\"internalType\":\"bytes\",\"name\":\"data\",\"type\":\"bytes\"}],\"internalType\":\"structTypes.WithdrawalTransaction\",\"name\":\"_tx\",\"type\":\"tuple\"},{\"internalType\":\"uint256\",\"name\":\"_l2OutputIndex\",\"type\":\"uint256\"},{\"components\":[{\"internalType\":\"bytes32\",\"name\":\"version\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"stateRoot\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"messagePasserStorageRoot\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"latestBlockhash\",\"type\":\"bytes32\"}],\"internalType\":\"structTypes.OutputRootProof\",\"name\":\"_outputRootProof\",\"type\":\"tuple\"},{\"internalType\":\"bytes[]\",\"name\":\"_withdrawalProof\",\"type\":\"bytes[]\"}],\"name\":\"proveWithdrawalTransaction\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"\",\"type\":\"bytes32\"}],\"name\":\"provenWithdrawals\",\"outputs\":[{\"internalType\":\"bytes32\",\"name\":\"outputRoot\",\"type\":\"bytes32\"},{\"internalType\":\"uint128\",\"name\":\"timestamp\",\"type\":\"uint128\"},{\"internalType\":\"uint128\",\"name\":\"l2OutputIndex\",\"type\":\"uint128\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"unpause\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"version\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"stateMutability\":\"payable\",\"type\":\"receive\"}]",
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 }
 
 // OptimismPortalABI is the input ABI used to generate the binding from.
@@ -61,7 +62,7 @@ var OptimismPortalABI = OptimismPortalMetaData.ABI
 var OptimismPortalBin = OptimismPortalMetaData.Bin
 
 // DeployOptimismPortal deploys a new Ethereum contract, binding an instance of OptimismPortal to it.
-func DeployOptimismPortal(auth *bind.TransactOpts, backend bind.ContractBackend, _l2Oracle common.Address, _guardian common.Address, _paused bool, _config common.Address) (common.Address, *types.Transaction, *OptimismPortal, error) {
+func DeployOptimismPortal(auth *bind.TransactOpts, backend bind.ContractBackend, _l2Oracle common.Address, _guardian common.Address, _config common.Address) (common.Address, *types.Transaction, *OptimismPortal, error) {
 	parsed, err := OptimismPortalMetaData.GetAbi()
 	if err != nil {
 		return common.Address{}, nil, nil, err
@@ -70,7 +71,7 @@ func DeployOptimismPortal(auth *bind.TransactOpts, backend bind.ContractBackend,
 		return common.Address{}, nil, nil, errors.New("GetABI returned nil")
 	}
 
-	address, tx, contract, err := bind.DeployContract(auth, *parsed, common.FromHex(OptimismPortalBin), backend, _l2Oracle, _guardian, _paused, _config)
+	address, tx, contract, err := bind.DeployContract(auth, *parsed, common.FromHex(OptimismPortalBin), backend, _l2Oracle, _guardian, _config)
 	if err != nil {
 		return common.Address{}, nil, nil, err
 	}
@@ -174,11 +175,11 @@ func NewOptimismPortalFilterer(address common.Address, filterer bind.ContractFil
 
 // bindOptimismPortal binds a generic wrapper to an already deployed contract.
 func bindOptimismPortal(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(OptimismPortalABI))
+	parsed, err := OptimismPortalMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
@@ -374,6 +375,37 @@ func (_OptimismPortal *OptimismPortalCallerSession) IsOutputFinalized(_l2OutputI
 	return _OptimismPortal.Contract.IsOutputFinalized(&_OptimismPortal.CallOpts, _l2OutputIndex)
 }
 
+// L1Messenger is a free data retrieval call binding the contract method 0x6140e0e6.
+//
+// Solidity: function l1Messenger() view returns(address)
+func (_OptimismPortal *OptimismPortalCaller) L1Messenger(opts *bind.CallOpts) (common.Address, error) {
+	var out []interface{}
+	err := _OptimismPortal.contract.Call(opts, &out, "l1Messenger")
+
+	if err != nil {
+		return *new(common.Address), err
+	}
+
+	out0 := *abi.ConvertType(out[0], new(common.Address)).(*common.Address)
+
+	return out0, err
+
+}
+
+// L1Messenger is a free data retrieval call binding the contract method 0x6140e0e6.
+//
+// Solidity: function l1Messenger() view returns(address)
+func (_OptimismPortal *OptimismPortalSession) L1Messenger() (common.Address, error) {
+	return _OptimismPortal.Contract.L1Messenger(&_OptimismPortal.CallOpts)
+}
+
+// L1Messenger is a free data retrieval call binding the contract method 0x6140e0e6.
+//
+// Solidity: function l1Messenger() view returns(address)
+func (_OptimismPortal *OptimismPortalCallerSession) L1Messenger() (common.Address, error) {
+	return _OptimismPortal.Contract.L1Messenger(&_OptimismPortal.CallOpts)
+}
+
 // L2Sender is a free data retrieval call binding the contract method 0x9bf62d82.
 //
 // Solidity: function l2Sender() view returns(address)
@@ -661,25 +693,25 @@ func (_OptimismPortal *OptimismPortalTransactorSession) FinalizeWithdrawalTransa
 	return _OptimismPortal.Contract.FinalizeWithdrawalTransaction(&_OptimismPortal.TransactOpts, _tx)
 }
 
-// Initialize is a paid mutator transaction binding the contract method 0xd53a822f.
+// Initialize is a paid mutator transaction binding the contract method 0x85ee7ba6.
 //
-// Solidity: function initialize(bool _paused) returns()
-func (_OptimismPortal *OptimismPortalTransactor) Initialize(opts *bind.TransactOpts, _paused bool) (*types.Transaction, error) {
-	return _OptimismPortal.contract.Transact(opts, "initialize", _paused)
+// Solidity: function initialize(bool _paused, address _l1Messenger) returns()
+func (_OptimismPortal *OptimismPortalTransactor) Initialize(opts *bind.TransactOpts, _paused bool, _l1Messenger common.Address) (*types.Transaction, error) {
+	return _OptimismPortal.contract.Transact(opts, "initialize", _paused, _l1Messenger)
 }
 
-// Initialize is a paid mutator transaction binding the contract method 0xd53a822f.
+// Initialize is a paid mutator transaction binding the contract method 0x85ee7ba6.
 //
-// Solidity: function initialize(bool _paused) returns()
-func (_OptimismPortal *OptimismPortalSession) Initialize(_paused bool) (*types.Transaction, error) {
-	return _OptimismPortal.Contract.Initialize(&_OptimismPortal.TransactOpts, _paused)
+// Solidity: function initialize(bool _paused, address _l1Messenger) returns()
+func (_OptimismPortal *OptimismPortalSession) Initialize(_paused bool, _l1Messenger common.Address) (*types.Transaction, error) {
+	return _OptimismPortal.Contract.Initialize(&_OptimismPortal.TransactOpts, _paused, _l1Messenger)
 }
 
-// Initialize is a paid mutator transaction binding the contract method 0xd53a822f.
+// Initialize is a paid mutator transaction binding the contract method 0x85ee7ba6.
 //
-// Solidity: function initialize(bool _paused) returns()
-func (_OptimismPortal *OptimismPortalTransactorSession) Initialize(_paused bool) (*types.Transaction, error) {
-	return _OptimismPortal.Contract.Initialize(&_OptimismPortal.TransactOpts, _paused)
+// Solidity: function initialize(bool _paused, address _l1Messenger) returns()
+func (_OptimismPortal *OptimismPortalTransactorSession) Initialize(_paused bool, _l1Messenger common.Address) (*types.Transaction, error) {
+	return _OptimismPortal.Contract.Initialize(&_OptimismPortal.TransactOpts, _paused, _l1Messenger)
 }
 
 // Pause is a paid mutator transaction binding the contract method 0x8456cb59.
diff --git a/op-bindings/bindings/proxy.go b/op-bindings/bindings/proxy.go
index f5979284702f9..2dc21b70d3618 100644
--- a/op-bindings/bindings/proxy.go
+++ b/op-bindings/bindings/proxy.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // ProxyMetaData contains all meta data concerning the Proxy contract.
@@ -156,11 +157,11 @@ func NewProxyFilterer(address common.Address, filterer bind.ContractFilterer) (*
 
 // bindProxy binds a generic wrapper to an already deployed contract.
 func bindProxy(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(ProxyABI))
+	parsed, err := ProxyMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/proxyadmin.go b/op-bindings/bindings/proxyadmin.go
index 100a6490bd757..51ce13c2d8bc2 100644
--- a/op-bindings/bindings/proxyadmin.go
+++ b/op-bindings/bindings/proxyadmin.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // ProxyAdminMetaData contains all meta data concerning the ProxyAdmin contract.
@@ -156,11 +157,11 @@ func NewProxyAdminFilterer(address common.Address, filterer bind.ContractFiltere
 
 // bindProxyAdmin binds a generic wrapper to an already deployed contract.
 func bindProxyAdmin(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(ProxyAdminABI))
+	parsed, err := ProxyAdminMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/sequencerfeevault.go b/op-bindings/bindings/sequencerfeevault.go
index a62538e40b088..3b915cdb5f970 100644
--- a/op-bindings/bindings/sequencerfeevault.go
+++ b/op-bindings/bindings/sequencerfeevault.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // SequencerFeeVaultMetaData contains all meta data concerning the SequencerFeeVault contract.
@@ -156,11 +157,11 @@ func NewSequencerFeeVaultFilterer(address common.Address, filterer bind.Contract
 
 // bindSequencerFeeVault binds a generic wrapper to an already deployed contract.
 func bindSequencerFeeVault(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(SequencerFeeVaultABI))
+	parsed, err := SequencerFeeVaultMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/systemconfig.go b/op-bindings/bindings/systemconfig.go
index 9598cd419a41a..5f0e280cf128c 100644
--- a/op-bindings/bindings/systemconfig.go
+++ b/op-bindings/bindings/systemconfig.go
@@ -26,6 +26,7 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // ResourceMeteringResourceConfig is an auto generated low-level Go binding around an user-defined struct.
@@ -166,11 +167,11 @@ func NewSystemConfigFilterer(address common.Address, filterer bind.ContractFilte
 
 // bindSystemConfig binds a generic wrapper to an already deployed contract.
 func bindSystemConfig(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(SystemConfigABI))
+	parsed, err := SystemConfigMetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-bindings/bindings/weth9.go b/op-bindings/bindings/weth9.go
index fc702c27eb20f..e1f45b6d60d10 100644
--- a/op-bindings/bindings/weth9.go
+++ b/op-bindings/bindings/weth9.go
@@ -26,12 +26,13 @@ var (
 	_ = common.Big1
 	_ = types.BloomLookup
 	_ = event.NewSubscription
+	_ = abi.ConvertType
 )
 
 // WETH9MetaData contains all meta data concerning the WETH9 contract.
 var WETH9MetaData = &bind.MetaData{
 	ABI: "[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"src\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"guy\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"Approval\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"dst\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"Deposit\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"src\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"dst\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"Transfer\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"src\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"Withdrawal\",\"type\":\"event\"},{\"payable\":true,\"stateMutability\":\"payable\",\"type\":\"fallback\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"allowance\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"guy\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"approve\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"balanceOf\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"decimals\",\"outputs\":[{\"internalType\":\"uint8\",\"name\":\"\",\"type\":\"uint8\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[],\"name\":\"deposit\",\"outputs\":[],\"payable\":true,\"stateMutability\":\"payable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"name\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"symbol\",\"outputs\":[{\"internalType\":\"string\",\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"totalSupply\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"dst\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"transfer\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"src\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"dst\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"transferFrom\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"uint256\",\"name\":\"wad\",\"type\":\"uint256\"}],\"name\":\"withdraw\",\"outputs\":[],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]",
-	Bin: "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",
+	Bin: "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",
 }
 
 // WETH9ABI is the input ABI used to generate the binding from.
@@ -156,11 +157,11 @@ func NewWETH9Filterer(address common.Address, filterer bind.ContractFilterer) (*
 
 // bindWETH9 binds a generic wrapper to an already deployed contract.
 func bindWETH9(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
-	parsed, err := abi.JSON(strings.NewReader(WETH9ABI))
+	parsed, err := WETH9MetaData.GetAbi()
 	if err != nil {
 		return nil, err
 	}
-	return bind.NewBoundContract(address, parsed, caller, transactor, filterer), nil
+	return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
 }
 
 // Call invokes the (constant) contract method with params as input values and
diff --git a/op-chain-ops/deployer/deployer.go b/op-chain-ops/deployer/deployer.go
index 829393df6b95a..fa88d45bcb5da 100644
--- a/op-chain-ops/deployer/deployer.go
+++ b/op-chain-ops/deployer/deployer.go
@@ -3,8 +3,6 @@ package deployer
 import (
 	"context"
 	"fmt"
-	"math/big"
-
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
 	"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
 	"github.com/ethereum/go-ethereum/common"
@@ -15,6 +13,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/params"
+	"math/big"
 )
 
 // TestKey is the same test key that geth uses
diff --git a/op-chain-ops/genesis/layer_one.go b/op-chain-ops/genesis/layer_one.go
index d59e5b41fbecb..d38fabff96ab4 100644
--- a/op-chain-ops/genesis/layer_one.go
+++ b/op-chain-ops/genesis/layer_one.go
@@ -86,6 +86,9 @@ func BuildL1DeveloperGenesis(config *DeployConfig) (*core.Genesis, error) {
 	depsByName := make(map[string]deployer.Deployment)
 	depsByAddr := make(map[common.Address]deployer.Deployment)
 	for _, dep := range deployments {
+		// todo delete
+		fmt.Println("dep.Name", dep.Name)
+		fmt.Println("dep.Address.Hex()", dep.Address.Hex())
 		depsByName[dep.Name] = dep
 		depsByAddr[dep.Address] = dep
 	}
@@ -99,8 +102,9 @@ func BuildL1DeveloperGenesis(config *DeployConfig) (*core.Genesis, error) {
 	if err != nil {
 		return nil, err
 	}
+
 	// Initialize the OptimismPortal without being paused
-	data, err := portalABI.Pack("initialize", false)
+	data, err := portalABI.Pack("initialize", false, config.L1CrossDomainMessengerProxy)
 	if err != nil {
 		return nil, fmt.Errorf("cannot abi encode initialize for OptimismPortal: %w", err)
 	}
@@ -401,7 +405,7 @@ func l1Deployer(backend *backends.SimulatedBackend, opts *bind.TransactOpts, dep
 			backend,
 			deployment.Args[0].(common.Address),
 			deployment.Args[1].(common.Address),
-			deployment.Args[2].(bool),
+			//deployment.Args[2].(bool),
 			deployment.Args[3].(common.Address),
 		)
 	case "L1CrossDomainMessenger":
diff --git a/packages/contracts-bedrock/contracts/L1/OptimismPortal.sol b/packages/contracts-bedrock/contracts/L1/OptimismPortal.sol
index 819cc59579f81..7b831f9e67258 100644
--- a/packages/contracts-bedrock/contracts/L1/OptimismPortal.sol
+++ b/packages/contracts-bedrock/contracts/L1/OptimismPortal.sol
@@ -60,6 +60,8 @@ contract OptimismPortal is Initializable, ResourceMetering, Semver {
     ///         This may be removed in the future.
     bool public paused;
 
+    address public l1Messenger;
+
     /// @notice Emitted when a transaction is deposited from L1 to L2.
     ///         The parameters of this event are read by the rollup node and used to derive deposit
     ///         transactions on L2.
@@ -103,29 +105,34 @@ contract OptimismPortal is Initializable, ResourceMetering, Semver {
         _;
     }
 
-    /// @custom:semver 1.7.2
+    /// @notice Pass when onlyMessenger.
+    modifier onlyMessenger(){
+        require(msg.sender == l1Messenger,"messenger contract unauthenticated");
+    }
+
+    /// @custom:semver 1.7.1
     /// @notice Constructs the OptimismPortal contract.
     /// @param _l2Oracle Address of the L2OutputOracle contract.
-    /// @param _guardian Address that can pause withdrawals.
-    /// @param _paused Sets the contract's pausability state.
+    /// @param _guardian Address that can pause deposits and withdrawals.
     /// @param _config Address of the SystemConfig contract.
     constructor(
         L2OutputOracle _l2Oracle,
         address _guardian,
-        bool _paused,
+//        bool _paused,
         SystemConfig _config
     ) Semver(1, 7, 2) {
         L2_ORACLE = _l2Oracle;
         GUARDIAN = _guardian;
         SYSTEM_CONFIG = _config;
-        initialize(_paused);
+//        initialize(_paused);
     }
 
     /// @notice Initializer.
-    function initialize(bool _paused) public initializer {
+    function initialize(bool _paused,address _l1Messenger) public initializer {
         l2Sender = Constants.DEFAULT_L2_SENDER;
         paused = _paused;
         __ResourceMetering_init();
+        l1Messenger = _l1Messenger;
     }
 
     /// @notice Pauses withdrawals.
@@ -379,7 +386,7 @@ contract OptimismPortal is Initializable, ResourceMetering, Semver {
         uint64 _gasLimit,
         bool _isCreation,
         bytes memory _data
-    ) public payable metered(_gasLimit) {
+    ) public metered(_gasLimit) onlyMessenger{
         // Just to be safe, make sure that people specify address(0) as the target when doing
         // contract creations.
         if (_isCreation) {
diff --git a/packages/contracts/L1/deployment/AddressDictator.sol b/packages/contracts/L1/deployment/AddressDictator.sol
new file mode 100644
index 0000000000000..1ea95c11c4979
--- /dev/null
+++ b/packages/contracts/L1/deployment/AddressDictator.sol
@@ -0,0 +1,95 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+import { Lib_AddressManager } from "../../libraries/resolver/Lib_AddressManager.sol";
+
+/**
+ * @title AddressDictator
+ * @dev The AddressDictator (glory to Arstotzka) is a contract that allows us to safely manipulate
+ *      many different addresses in the AddressManager without transferring ownership of the
+ *      AddressManager to a hot wallet or hardware wallet.
+ */
+contract AddressDictator {
+    /*********
+     * Types *
+     *********/
+
+    struct NamedAddress {
+        string name;
+        address addr;
+    }
+
+    /*************
+     * Variables *
+     *************/
+
+    Lib_AddressManager public manager;
+    address public finalOwner;
+    NamedAddress[] namedAddresses;
+
+    /***************
+     * Constructor *
+     ***************/
+
+    /**
+     * @param _manager Address of the AddressManager contract.
+     * @param _finalOwner Address to transfer AddressManager ownership to afterwards.
+     * @param _names Array of names to associate an address with.
+     * @param _addresses Array of addresses to associate with the name.
+     */
+    constructor(
+        Lib_AddressManager _manager,
+        address _finalOwner,
+        string[] memory _names,
+        address[] memory _addresses
+    ) {
+        manager = _manager;
+        finalOwner = _finalOwner;
+        require(
+            _names.length == _addresses.length,
+            "AddressDictator: Must provide an equal number of names and addresses."
+        );
+        for (uint256 i = 0; i < _names.length; i++) {
+            namedAddresses.push(NamedAddress({ name: _names[i], addr: _addresses[i] }));
+        }
+    }
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * Called to finalize the transfer, this function is callable by anyone, but will only result in
+     * an upgrade if this contract is the owner Address Manager.
+     */
+    // slither-disable-next-line calls-loop
+    function setAddresses() external {
+        for (uint256 i = 0; i < namedAddresses.length; i++) {
+            manager.setAddress(namedAddresses[i].name, namedAddresses[i].addr);
+        }
+        // note that this will revert if _finalOwner == currentOwner
+        manager.transferOwnership(finalOwner);
+    }
+
+    /**
+     * Transfers ownership of this contract to the finalOwner.
+     * Only callable by the Final Owner, which is intended to be our multisig.
+     * This function shouldn't be necessary, but it gives a sense of reassurance that we can recover
+     * if something really surprising goes wrong.
+     */
+    function returnOwnership() external {
+        require(msg.sender == finalOwner, "AddressDictator: only callable by finalOwner");
+        manager.transferOwnership(finalOwner);
+    }
+
+    /******************
+     * View Functions *
+     ******************/
+
+    /**
+     * Returns the full namedAddresses array.
+     */
+    function getNamedAddresses() external view returns (NamedAddress[] memory) {
+        return namedAddresses;
+    }
+}
diff --git a/packages/contracts/L1/deployment/ChugSplashDictator.sol b/packages/contracts/L1/deployment/ChugSplashDictator.sol
new file mode 100644
index 0000000000000..0a3e2eba90ca3
--- /dev/null
+++ b/packages/contracts/L1/deployment/ChugSplashDictator.sol
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+import { L1ChugSplashProxy } from "../../chugsplash/L1ChugSplashProxy.sol";
+import { iL1ChugSplashDeployer } from "../../chugsplash/interfaces/iL1ChugSplashDeployer.sol";
+
+/**
+ * @title ChugSplashDictator
+ * @dev Like the AddressDictator, but specifically for the Proxy__OVM_L1StandardBridge. We're
+ *      working on a generalized version of this but this is good enough for the moment.
+ */
+contract ChugSplashDictator is iL1ChugSplashDeployer {
+    /*************
+     * Variables *
+     *************/
+
+    // slither-disable-next-line constable-states
+    bool public isUpgrading = true;
+    L1ChugSplashProxy public target;
+    address public finalOwner;
+    bytes32 public codeHash;
+    bytes32 public messengerSlotKey;
+    bytes32 public messengerSlotVal;
+    bytes32 public bridgeSlotKey;
+    bytes32 public bridgeSlotVal;
+
+    /***************
+     * Constructor *
+     ***************/
+
+    constructor(
+        L1ChugSplashProxy _target,
+        address _finalOwner,
+        bytes32 _codeHash,
+        bytes32 _messengerSlotKey,
+        bytes32 _messengerSlotVal,
+        bytes32 _bridgeSlotKey,
+        bytes32 _bridgeSlotVal
+    ) {
+        target = _target;
+        finalOwner = _finalOwner;
+        codeHash = _codeHash;
+        messengerSlotKey = _messengerSlotKey;
+        messengerSlotVal = _messengerSlotVal;
+        bridgeSlotKey = _bridgeSlotKey;
+        bridgeSlotVal = _bridgeSlotVal;
+    }
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    function doActions(bytes memory _code) external {
+        require(keccak256(_code) == codeHash, "ChugSplashDictator: Incorrect code hash.");
+
+        target.setCode(_code);
+        target.setStorage(messengerSlotKey, messengerSlotVal);
+        target.setStorage(bridgeSlotKey, bridgeSlotVal);
+        target.setOwner(finalOwner);
+    }
+
+    /**
+     * Transfers ownership of this contract to the finalOwner.
+     * Only callable by the finalOwner, which is intended to be our multisig.
+     * This function shouldn't be necessary, but it gives a sense of reassurance that we can
+     * recover if something really surprising goes wrong.
+     */
+    function returnOwnership() external {
+        require(msg.sender == finalOwner, "ChugSplashDictator: only callable by finalOwner");
+
+        target.setOwner(finalOwner);
+    }
+}
diff --git a/packages/contracts/L1/messaging/IL1CrossDomainMessenger.sol b/packages/contracts/L1/messaging/IL1CrossDomainMessenger.sol
new file mode 100644
index 0000000000000..4fb8026ac6a0d
--- /dev/null
+++ b/packages/contracts/L1/messaging/IL1CrossDomainMessenger.sol
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Library Imports */
+import { Lib_OVMCodec } from "../../libraries/codec/Lib_OVMCodec.sol";
+
+/* Interface Imports */
+import { ICrossDomainMessenger } from "../../libraries/bridge/ICrossDomainMessenger.sol";
+
+/**
+ * @title IL1CrossDomainMessenger
+ */
+interface IL1CrossDomainMessenger is ICrossDomainMessenger {
+    /*******************
+     * Data Structures *
+     *******************/
+
+    struct L2MessageInclusionProof {
+        bytes32 stateRoot;
+        Lib_OVMCodec.ChainBatchHeader stateRootBatchHeader;
+        Lib_OVMCodec.ChainInclusionProof stateRootProof;
+        bytes stateTrieWitness;
+        bytes storageTrieWitness;
+    }
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * Relays a cross domain message to a contract.
+     * @param _target Target contract address.
+     * @param _sender Message sender address.
+     * @param _message Message to send to the target.
+     * @param _messageNonce Nonce for the provided message.
+     * @param _proof Inclusion proof for the given message.
+     */
+    function relayMessage(
+        address _target,
+        address _sender,
+        bytes memory _message,
+        uint256 _messageNonce,
+        L2MessageInclusionProof memory _proof
+    ) external;
+
+    /**
+     * Replays a cross domain message to the target messenger.
+     * @param _target Target contract address.
+     * @param _sender Original sender address.
+     * @param _message Message to send to the target.
+     * @param _queueIndex CTC Queue index for the message to replay.
+     * @param _oldGasLimit Original gas limit used to send the message.
+     * @param _newGasLimit New gas limit to be used for this message.
+     */
+    function replayMessage(
+        address _target,
+        address _sender,
+        bytes memory _message,
+        uint256 _queueIndex,
+        uint32 _oldGasLimit,
+        uint32 _newGasLimit
+    ) external;
+}
diff --git a/packages/contracts/L1/messaging/IL1ERC20Bridge.sol b/packages/contracts/L1/messaging/IL1ERC20Bridge.sol
new file mode 100644
index 0000000000000..f8d6680e16867
--- /dev/null
+++ b/packages/contracts/L1/messaging/IL1ERC20Bridge.sol
@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >0.5.0 <0.9.0;
+
+/**
+ * @title IL1ERC20Bridge
+ */
+interface IL1ERC20Bridge {
+    /**********
+     * Events *
+     **********/
+
+    event ERC20DepositInitiated(
+        address indexed _l1Token,
+        address indexed _l2Token,
+        address indexed _from,
+        address _to,
+        uint256 _amount,
+        bytes _data
+    );
+
+    event ERC20WithdrawalFinalized(
+        address indexed _l1Token,
+        address indexed _l2Token,
+        address indexed _from,
+        address _to,
+        uint256 _amount,
+        bytes _data
+    );
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * @dev get the address of the corresponding L2 bridge contract.
+     * @return Address of the corresponding L2 bridge contract.
+     */
+    function l2TokenBridge() external returns (address);
+
+    /**
+     * @dev deposit an amount of the ERC20 to the caller's balance on L2.
+     * @param _l1Token Address of the L1 ERC20 we are depositing
+     * @param _l2Token Address of the L1 respective L2 ERC20
+     * @param _amount Amount of the ERC20 to deposit
+     * @param _l2Gas Gas limit required to complete the deposit on L2.
+     * @param _data Optional data to forward to L2. This data is provided
+     *        solely as a convenience for external contracts. Aside from enforcing a maximum
+     *        length, these contracts provide no guarantees about its content.
+     */
+    function depositERC20(
+        address _l1Token,
+        address _l2Token,
+        uint256 _amount,
+        uint32 _l2Gas,
+        bytes calldata _data
+    ) external;
+
+    /**
+     * @dev deposit an amount of ERC20 to a recipient's balance on L2.
+     * @param _l1Token Address of the L1 ERC20 we are depositing
+     * @param _l2Token Address of the L1 respective L2 ERC20
+     * @param _to L2 address to credit the withdrawal to.
+     * @param _amount Amount of the ERC20 to deposit.
+     * @param _l2Gas Gas limit required to complete the deposit on L2.
+     * @param _data Optional data to forward to L2. This data is provided
+     *        solely as a convenience for external contracts. Aside from enforcing a maximum
+     *        length, these contracts provide no guarantees about its content.
+     */
+    function depositERC20To(
+        address _l1Token,
+        address _l2Token,
+        address _to,
+        uint256 _amount,
+        uint32 _l2Gas,
+        bytes calldata _data
+    ) external;
+
+    /*************************
+     * Cross-chain Functions *
+     *************************/
+
+    /**
+     * @dev Complete a withdrawal from L2 to L1, and credit funds to the recipient's balance of the
+     * L1 ERC20 token.
+     * This call will fail if the initialized withdrawal from L2 has not been finalized.
+     *
+     * @param _l1Token Address of L1 token to finalizeWithdrawal for.
+     * @param _l2Token Address of L2 token where withdrawal was initiated.
+     * @param _from L2 address initiating the transfer.
+     * @param _to L1 address to credit the withdrawal to.
+     * @param _amount Amount of the ERC20 to deposit.
+     * @param _data Data provided by the sender on L2. This data is provided
+     *   solely as a convenience for external contracts. Aside from enforcing a maximum
+     *   length, these contracts provide no guarantees about its content.
+     */
+    function finalizeERC20Withdrawal(
+        address _l1Token,
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256 _amount,
+        bytes calldata _data
+    ) external;
+}
diff --git a/packages/contracts/L1/messaging/IL1StandardBridge.sol b/packages/contracts/L1/messaging/IL1StandardBridge.sol
new file mode 100644
index 0000000000000..1478bfe9a308b
--- /dev/null
+++ b/packages/contracts/L1/messaging/IL1StandardBridge.sol
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >0.5.0 <0.9.0;
+
+import "./IL1ERC20Bridge.sol";
+
+/**
+ * @title IL1StandardBridge
+ */
+interface IL1StandardBridge is IL1ERC20Bridge {
+    /**********
+     * Events *
+     **********/
+    event ETHDepositInitiated(
+        address indexed _from,
+        address indexed _to,
+        uint256 _amount,
+        bytes _data
+    );
+
+    event ETHWithdrawalFinalized(
+        address indexed _from,
+        address indexed _to,
+        uint256 _amount,
+        bytes _data
+    );
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * @dev Deposit an amount of the ETH to the caller's balance on L2.
+     * @param _l2Gas Gas limit required to complete the deposit on L2.
+     * @param _data Optional data to forward to L2. This data is provided
+     *        solely as a convenience for external contracts. Aside from enforcing a maximum
+     *        length, these contracts provide no guarantees about its content.
+     */
+    function depositETH(uint32 _l2Gas, bytes calldata _data) external payable;
+
+    /**
+     * @dev Deposit an amount of ETH to a recipient's balance on L2.
+     * @param _to L2 address to credit the withdrawal to.
+     * @param _l2Gas Gas limit required to complete the deposit on L2.
+     * @param _data Optional data to forward to L2. This data is provided
+     *        solely as a convenience for external contracts. Aside from enforcing a maximum
+     *        length, these contracts provide no guarantees about its content.
+     */
+    function depositETHTo(
+        address _to,
+        uint32 _l2Gas,
+        bytes calldata _data
+    ) external payable;
+
+    /*************************
+     * Cross-chain Functions *
+     *************************/
+
+    /**
+     * @dev Complete a withdrawal from L2 to L1, and credit funds to the recipient's balance of the
+     * L1 ETH token. Since only the xDomainMessenger can call this function, it will never be called
+     * before the withdrawal is finalized.
+     * @param _from L2 address initiating the transfer.
+     * @param _to L1 address to credit the withdrawal to.
+     * @param _amount Amount of the ERC20 to deposit.
+     * @param _data Optional data to forward to L2. This data is provided
+     *        solely as a convenience for external contracts. Aside from enforcing a maximum
+     *        length, these contracts provide no guarantees about its content.
+     */
+    function finalizeETHWithdrawal(
+        address _from,
+        address _to,
+        uint256 _amount,
+        bytes calldata _data
+    ) external;
+}
diff --git a/packages/contracts/L1/messaging/L1CrossDomainMessenger.sol b/packages/contracts/L1/messaging/L1CrossDomainMessenger.sol
new file mode 100644
index 0000000000000..8204d2f135ced
--- /dev/null
+++ b/packages/contracts/L1/messaging/L1CrossDomainMessenger.sol
@@ -0,0 +1,377 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Library Imports */
+import { AddressAliasHelper } from "../../standards/AddressAliasHelper.sol";
+import { Lib_AddressResolver } from "../../libraries/resolver/Lib_AddressResolver.sol";
+import { Lib_OVMCodec } from "../../libraries/codec/Lib_OVMCodec.sol";
+import { Lib_AddressManager } from "../../libraries/resolver/Lib_AddressManager.sol";
+import { Lib_SecureMerkleTrie } from "../../libraries/trie/Lib_SecureMerkleTrie.sol";
+import { Lib_DefaultValues } from "../../libraries/constants/Lib_DefaultValues.sol";
+import { Lib_PredeployAddresses } from "../../libraries/constants/Lib_PredeployAddresses.sol";
+import { Lib_CrossDomainUtils } from "../../libraries/bridge/Lib_CrossDomainUtils.sol";
+
+/* Interface Imports */
+import { IL1CrossDomainMessenger } from "./IL1CrossDomainMessenger.sol";
+import { ICanonicalTransactionChain } from "../rollup/ICanonicalTransactionChain.sol";
+import { IStateCommitmentChain } from "../rollup/IStateCommitmentChain.sol";
+
+/* External Imports */
+import {
+    OwnableUpgradeable
+} from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
+import {
+    PausableUpgradeable
+} from "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol";
+import {
+    ReentrancyGuardUpgradeable
+} from "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";
+
+/**
+ * @title L1CrossDomainMessenger
+ * @dev The L1 Cross Domain Messenger contract sends messages from L1 to L2, and relays messages
+ * from L2 onto L1. In the event that a message sent from L1 to L2 is rejected for exceeding the L2
+ * epoch gas limit, it can be resubmitted via this contract's replay function.
+ *
+ */
+contract L1CrossDomainMessenger is
+    IL1CrossDomainMessenger,
+    Lib_AddressResolver,
+    OwnableUpgradeable,
+    PausableUpgradeable,
+    ReentrancyGuardUpgradeable
+{
+    /**********
+     * Events *
+     **********/
+
+    event MessageBlocked(bytes32 indexed _xDomainCalldataHash);
+
+    event MessageAllowed(bytes32 indexed _xDomainCalldataHash);
+
+    /**********************
+     * Contract Variables *
+     **********************/
+
+    mapping(bytes32 => bool) public blockedMessages;
+    mapping(bytes32 => bool) public relayedMessages;
+    mapping(bytes32 => bool) public successfulMessages;
+
+    address internal xDomainMsgSender = Lib_DefaultValues.DEFAULT_XDOMAIN_SENDER;
+
+    /***************
+     * Constructor *
+     ***************/
+
+    /**
+     * This contract is intended to be behind a delegate proxy.
+     * We pass the zero address to the address resolver just to satisfy the constructor.
+     * We still need to set this value in initialize().
+     */
+    constructor() Lib_AddressResolver(address(0)) {}
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * @param _libAddressManager Address of the Address Manager.
+     */
+    // slither-disable-next-line external-function
+    function initialize(address _libAddressManager) public initializer {
+        require(
+            address(libAddressManager) == address(0),
+            "L1CrossDomainMessenger already intialized."
+        );
+        libAddressManager = Lib_AddressManager(_libAddressManager);
+        xDomainMsgSender = Lib_DefaultValues.DEFAULT_XDOMAIN_SENDER;
+
+        // Initialize upgradable OZ contracts
+        __Context_init_unchained(); // Context is a dependency for both Ownable and Pausable
+        __Ownable_init_unchained();
+        __Pausable_init_unchained();
+        __ReentrancyGuard_init_unchained();
+    }
+
+    /**
+     * Pause relaying.
+     */
+    function pause() external onlyOwner {
+        _pause();
+    }
+
+    /**
+     * Block a message.
+     * @param _xDomainCalldataHash Hash of the message to block.
+     */
+    function blockMessage(bytes32 _xDomainCalldataHash) external onlyOwner {
+        blockedMessages[_xDomainCalldataHash] = true;
+        emit MessageBlocked(_xDomainCalldataHash);
+    }
+
+    /**
+     * Allow a message.
+     * @param _xDomainCalldataHash Hash of the message to block.
+     */
+    function allowMessage(bytes32 _xDomainCalldataHash) external onlyOwner {
+        blockedMessages[_xDomainCalldataHash] = false;
+        emit MessageAllowed(_xDomainCalldataHash);
+    }
+
+    // slither-disable-next-line external-function
+    function xDomainMessageSender() public view returns (address) {
+        require(
+            xDomainMsgSender != Lib_DefaultValues.DEFAULT_XDOMAIN_SENDER,
+            "xDomainMessageSender is not set"
+        );
+        return xDomainMsgSender;
+    }
+
+    /**
+     * Sends a cross domain message to the target messenger.
+     * @param _target Target contract address.
+     * @param _message Message to send to the target.
+     * @param _gasLimit Gas limit for the provided message.
+     */
+    // slither-disable-next-line external-function
+    function sendMessage(
+        address _target,
+        bytes memory _message,
+        uint32 _gasLimit
+    ) public {
+        address ovmCanonicalTransactionChain = resolve("CanonicalTransactionChain");
+        // Use the CTC queue length as nonce
+        uint40 nonce = ICanonicalTransactionChain(ovmCanonicalTransactionChain).getQueueLength();
+
+        bytes memory xDomainCalldata = Lib_CrossDomainUtils.encodeXDomainCalldata(
+            _target,
+            msg.sender,
+            _message,
+            nonce
+        );
+
+        // slither-disable-next-line reentrancy-events
+        _sendXDomainMessage(ovmCanonicalTransactionChain, xDomainCalldata, _gasLimit);
+
+        // slither-disable-next-line reentrancy-events
+        emit SentMessage(_target, msg.sender, _message, nonce, _gasLimit);
+    }
+
+    /**
+     * Relays a cross domain message to a contract.
+     * @inheritdoc IL1CrossDomainMessenger
+     */
+    // slither-disable-next-line external-function
+    function relayMessage(
+        address _target,
+        address _sender,
+        bytes memory _message,
+        uint256 _messageNonce,
+        L2MessageInclusionProof memory _proof
+    ) public nonReentrant whenNotPaused {
+        bytes memory xDomainCalldata = Lib_CrossDomainUtils.encodeXDomainCalldata(
+            _target,
+            _sender,
+            _message,
+            _messageNonce
+        );
+
+        require(
+            _verifyXDomainMessage(xDomainCalldata, _proof) == true,
+            "Provided message could not be verified."
+        );
+
+        bytes32 xDomainCalldataHash = keccak256(xDomainCalldata);
+
+        require(
+            successfulMessages[xDomainCalldataHash] == false,
+            "Provided message has already been received."
+        );
+
+        require(
+            blockedMessages[xDomainCalldataHash] == false,
+            "Provided message has been blocked."
+        );
+
+        require(
+            _target != resolve("CanonicalTransactionChain"),
+            "Cannot send L2->L1 messages to L1 system contracts."
+        );
+
+        xDomainMsgSender = _sender;
+        // slither-disable-next-line reentrancy-no-eth, reentrancy-events, reentrancy-benign
+        (bool success, ) = _target.call(_message);
+        // slither-disable-next-line reentrancy-benign
+        xDomainMsgSender = Lib_DefaultValues.DEFAULT_XDOMAIN_SENDER;
+
+        // Mark the message as received if the call was successful. Ensures that a message can be
+        // relayed multiple times in the case that the call reverted.
+        if (success == true) {
+            // slither-disable-next-line reentrancy-no-eth
+            successfulMessages[xDomainCalldataHash] = true;
+            // slither-disable-next-line reentrancy-events
+            emit RelayedMessage(xDomainCalldataHash);
+        } else {
+            // slither-disable-next-line reentrancy-events
+            emit FailedRelayedMessage(xDomainCalldataHash);
+        }
+
+        // Store an identifier that can be used to prove that the given message was relayed by some
+        // user. Gives us an easy way to pay relayers for their work.
+        bytes32 relayId = keccak256(abi.encodePacked(xDomainCalldata, msg.sender, block.number));
+        // slither-disable-next-line reentrancy-benign
+        relayedMessages[relayId] = true;
+    }
+
+    /**
+     * Replays a cross domain message to the target messenger.
+     * @inheritdoc IL1CrossDomainMessenger
+     */
+    // slither-disable-next-line external-function
+    function replayMessage(
+        address _target,
+        address _sender,
+        bytes memory _message,
+        uint256 _queueIndex,
+        uint32 _oldGasLimit,
+        uint32 _newGasLimit
+    ) public {
+        // Verify that the message is in the queue:
+        address canonicalTransactionChain = resolve("CanonicalTransactionChain");
+        Lib_OVMCodec.QueueElement memory element = ICanonicalTransactionChain(
+            canonicalTransactionChain
+        ).getQueueElement(_queueIndex);
+
+        // Compute the calldata that was originally used to send the message.
+        bytes memory xDomainCalldata = Lib_CrossDomainUtils.encodeXDomainCalldata(
+            _target,
+            _sender,
+            _message,
+            _queueIndex
+        );
+
+        // Compute the transactionHash
+        bytes32 transactionHash = keccak256(
+            abi.encode(
+                AddressAliasHelper.applyL1ToL2Alias(address(this)),
+                Lib_PredeployAddresses.L2_CROSS_DOMAIN_MESSENGER,
+                _oldGasLimit,
+                xDomainCalldata
+            )
+        );
+
+        // Now check that the provided message data matches the one in the queue element.
+        require(
+            transactionHash == element.transactionHash,
+            "Provided message has not been enqueued."
+        );
+
+        // Send the same message but with the new gas limit.
+        _sendXDomainMessage(canonicalTransactionChain, xDomainCalldata, _newGasLimit);
+    }
+
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /**
+     * Verifies that the given message is valid.
+     * @param _xDomainCalldata Calldata to verify.
+     * @param _proof Inclusion proof for the message.
+     * @return Whether or not the provided message is valid.
+     */
+    function _verifyXDomainMessage(
+        bytes memory _xDomainCalldata,
+        L2MessageInclusionProof memory _proof
+    ) internal view returns (bool) {
+        return (_verifyStateRootProof(_proof) && _verifyStorageProof(_xDomainCalldata, _proof));
+    }
+
+    /**
+     * Verifies that the state root within an inclusion proof is valid.
+     * @param _proof Message inclusion proof.
+     * @return Whether or not the provided proof is valid.
+     */
+    function _verifyStateRootProof(L2MessageInclusionProof memory _proof)
+        internal
+        view
+        returns (bool)
+    {
+        IStateCommitmentChain ovmStateCommitmentChain = IStateCommitmentChain(
+            resolve("StateCommitmentChain")
+        );
+
+        return (ovmStateCommitmentChain.insideFraudProofWindow(_proof.stateRootBatchHeader) ==
+            false &&
+            ovmStateCommitmentChain.verifyStateCommitment(
+                _proof.stateRoot,
+                _proof.stateRootBatchHeader,
+                _proof.stateRootProof
+            ));
+    }
+
+    /**
+     * Verifies that the storage proof within an inclusion proof is valid.
+     * @param _xDomainCalldata Encoded message calldata.
+     * @param _proof Message inclusion proof.
+     * @return Whether or not the provided proof is valid.
+     */
+    function _verifyStorageProof(
+        bytes memory _xDomainCalldata,
+        L2MessageInclusionProof memory _proof
+    ) internal view returns (bool) {
+        bytes32 storageKey = keccak256(
+            abi.encodePacked(
+                keccak256(
+                    abi.encodePacked(
+                        _xDomainCalldata,
+                        Lib_PredeployAddresses.L2_CROSS_DOMAIN_MESSENGER
+                    )
+                ),
+                uint256(0)
+            )
+        );
+
+        (bool exists, bytes memory encodedMessagePassingAccount) = Lib_SecureMerkleTrie.get(
+            abi.encodePacked(Lib_PredeployAddresses.L2_TO_L1_MESSAGE_PASSER),
+            _proof.stateTrieWitness,
+            _proof.stateRoot
+        );
+
+        require(
+            exists == true,
+            "Message passing predeploy has not been initialized or invalid proof provided."
+        );
+
+        Lib_OVMCodec.EVMAccount memory account = Lib_OVMCodec.decodeEVMAccount(
+            encodedMessagePassingAccount
+        );
+
+        return
+            Lib_SecureMerkleTrie.verifyInclusionProof(
+                abi.encodePacked(storageKey),
+                abi.encodePacked(uint8(1)),
+                _proof.storageTrieWitness,
+                account.storageRoot
+            );
+    }
+
+    /**
+     * Sends a cross domain message.
+     * @param _canonicalTransactionChain Address of the CanonicalTransactionChain instance.
+     * @param _message Message to send.
+     * @param _gasLimit OVM gas limit for the message.
+     */
+    function _sendXDomainMessage(
+        address _canonicalTransactionChain,
+        bytes memory _message,
+        uint256 _gasLimit
+    ) internal {
+        // slither-disable-next-line reentrancy-events
+        ICanonicalTransactionChain(_canonicalTransactionChain).enqueue(
+            Lib_PredeployAddresses.L2_CROSS_DOMAIN_MESSENGER,
+            _gasLimit,
+            _message
+        );
+    }
+}
diff --git a/packages/contracts/L1/messaging/L1StandardBridge.sol b/packages/contracts/L1/messaging/L1StandardBridge.sol
new file mode 100644
index 0000000000000..3fc7fc0527b97
--- /dev/null
+++ b/packages/contracts/L1/messaging/L1StandardBridge.sol
@@ -0,0 +1,264 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Interface Imports */
+import { IL1StandardBridge } from "./IL1StandardBridge.sol";
+import { IL1ERC20Bridge } from "./IL1ERC20Bridge.sol";
+import { IL2ERC20Bridge } from "../../L2/messaging/IL2ERC20Bridge.sol";
+import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
+
+/* Library Imports */
+import { CrossDomainEnabled } from "../../libraries/bridge/CrossDomainEnabled.sol";
+import { Lib_PredeployAddresses } from "../../libraries/constants/Lib_PredeployAddresses.sol";
+import { Address } from "@openzeppelin/contracts/utils/Address.sol";
+import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
+
+/**
+ * @title L1StandardBridge
+ * @dev The L1 ETH and ERC20 Bridge is a contract which stores deposited L1 funds and standard
+ * tokens that are in use on L2. It synchronizes a corresponding L2 Bridge, informing it of deposits
+ * and listening to it for newly finalized withdrawals.
+ *
+ */
+contract L1StandardBridge is IL1StandardBridge, CrossDomainEnabled {
+    using SafeERC20 for IERC20;
+
+    /********************************
+     * External Contract References *
+     ********************************/
+
+    address public l2TokenBridge;
+
+    // Maps L1 token to L2 token to balance of the L1 token deposited
+    mapping(address => mapping(address => uint256)) public deposits;
+
+    /***************
+     * Constructor *
+     ***************/
+
+    // This contract lives behind a proxy, so the constructor parameters will go unused.
+    constructor() CrossDomainEnabled(address(0)) {}
+
+    /******************
+     * Initialization *
+     ******************/
+
+    /**
+     * @param _l1messenger L1 Messenger address being used for cross-chain communications.
+     * @param _l2TokenBridge L2 standard bridge address.
+     */
+    // slither-disable-next-line external-function
+    function initialize(address _l1messenger, address _l2TokenBridge) public {
+        require(messenger == address(0), "Contract has already been initialized.");
+        messenger = _l1messenger;
+        l2TokenBridge = _l2TokenBridge;
+    }
+
+    /**************
+     * Depositing *
+     **************/
+
+    /** @dev Modifier requiring sender to be EOA.  This check could be bypassed by a malicious
+     *  contract via initcode, but it takes care of the user error we want to avoid.
+     */
+    modifier onlyEOA() {
+        // Used to stop deposits from contracts (avoid accidentally lost tokens)
+        require(!Address.isContract(msg.sender), "Account not EOA");
+        _;
+    }
+
+    /**
+     * @dev This function can be called with no data
+     * to deposit an amount of ETH to the caller's balance on L2.
+     * Since the receive function doesn't take data, a conservative
+     * default amount is forwarded to L2.
+     */
+    receive() external payable onlyEOA {
+        _initiateETHDeposit(msg.sender, msg.sender, 200_000, bytes(""));
+    }
+
+    /**
+     * @inheritdoc IL1StandardBridge
+     */
+    function depositETH(uint32 _l2Gas, bytes calldata _data) external payable onlyEOA {
+        _initiateETHDeposit(msg.sender, msg.sender, _l2Gas, _data);
+    }
+
+    /**
+     * @inheritdoc IL1StandardBridge
+     */
+    function depositETHTo(
+        address _to,
+        uint32 _l2Gas,
+        bytes calldata _data
+    ) external payable {
+        _initiateETHDeposit(msg.sender, _to, _l2Gas, _data);
+    }
+
+    /**
+     * @dev Performs the logic for deposits by storing the ETH and informing the L2 ETH Gateway of
+     * the deposit.
+     * @param _from Account to pull the deposit from on L1.
+     * @param _to Account to give the deposit to on L2.
+     * @param _l2Gas Gas limit required to complete the deposit on L2.
+     * @param _data Optional data to forward to L2. This data is provided
+     *        solely as a convenience for external contracts. Aside from enforcing a maximum
+     *        length, these contracts provide no guarantees about its content.
+     */
+    function _initiateETHDeposit(
+        address _from,
+        address _to,
+        uint32 _l2Gas,
+        bytes memory _data
+    ) internal {
+        // Construct calldata for finalizeDeposit call
+        bytes memory message = abi.encodeWithSelector(
+            IL2ERC20Bridge.finalizeDeposit.selector,
+            address(0),
+            Lib_PredeployAddresses.OVM_ETH,
+            _from,
+            _to,
+            msg.value,
+            _data
+        );
+
+        // Send calldata into L2
+        // slither-disable-next-line reentrancy-events
+        sendCrossDomainMessage(l2TokenBridge, _l2Gas, message);
+
+        // slither-disable-next-line reentrancy-events
+        emit ETHDepositInitiated(_from, _to, msg.value, _data);
+    }
+
+    /**
+     * @inheritdoc IL1ERC20Bridge
+     */
+    function depositERC20(
+        address _l1Token,
+        address _l2Token,
+        uint256 _amount,
+        uint32 _l2Gas,
+        bytes calldata _data
+    ) external virtual onlyEOA {
+        _initiateERC20Deposit(_l1Token, _l2Token, msg.sender, msg.sender, _amount, _l2Gas, _data);
+    }
+
+    /**
+     * @inheritdoc IL1ERC20Bridge
+     */
+    function depositERC20To(
+        address _l1Token,
+        address _l2Token,
+        address _to,
+        uint256 _amount,
+        uint32 _l2Gas,
+        bytes calldata _data
+    ) external virtual {
+        _initiateERC20Deposit(_l1Token, _l2Token, msg.sender, _to, _amount, _l2Gas, _data);
+    }
+
+    /**
+     * @dev Performs the logic for deposits by informing the L2 Deposited Token
+     * contract of the deposit and calling a handler to lock the L1 funds. (e.g. transferFrom)
+     *
+     * @param _l1Token Address of the L1 ERC20 we are depositing
+     * @param _l2Token Address of the L1 respective L2 ERC20
+     * @param _from Account to pull the deposit from on L1
+     * @param _to Account to give the deposit to on L2
+     * @param _amount Amount of the ERC20 to deposit.
+     * @param _l2Gas Gas limit required to complete the deposit on L2.
+     * @param _data Optional data to forward to L2. This data is provided
+     *        solely as a convenience for external contracts. Aside from enforcing a maximum
+     *        length, these contracts provide no guarantees about its content.
+     */
+    function _initiateERC20Deposit(
+        address _l1Token,
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256 _amount,
+        uint32 _l2Gas,
+        bytes calldata _data
+    ) internal {
+        // When a deposit is initiated on L1, the L1 Bridge transfers the funds to itself for future
+        // withdrawals. The use of safeTransferFrom enables support of "broken tokens" which do not
+        // return a boolean value.
+        // slither-disable-next-line reentrancy-events, reentrancy-benign
+        IERC20(_l1Token).safeTransferFrom(_from, address(this), _amount);
+
+        // Construct calldata for _l2Token.finalizeDeposit(_to, _amount)
+        bytes memory message = abi.encodeWithSelector(
+            IL2ERC20Bridge.finalizeDeposit.selector,
+            _l1Token,
+            _l2Token,
+            _from,
+            _to,
+            _amount,
+            _data
+        );
+
+        // Send calldata into L2
+        // slither-disable-next-line reentrancy-events, reentrancy-benign
+        sendCrossDomainMessage(l2TokenBridge, _l2Gas, message);
+
+        // slither-disable-next-line reentrancy-benign
+        deposits[_l1Token][_l2Token] = deposits[_l1Token][_l2Token] + _amount;
+
+        // slither-disable-next-line reentrancy-events
+        emit ERC20DepositInitiated(_l1Token, _l2Token, _from, _to, _amount, _data);
+    }
+
+    /*************************
+     * Cross-chain Functions *
+     *************************/
+
+    /**
+     * @inheritdoc IL1StandardBridge
+     */
+    function finalizeETHWithdrawal(
+        address _from,
+        address _to,
+        uint256 _amount,
+        bytes calldata _data
+    ) external onlyFromCrossDomainAccount(l2TokenBridge) {
+        // slither-disable-next-line reentrancy-events
+        (bool success, ) = _to.call{ value: _amount }(new bytes(0));
+        require(success, "TransferHelper::safeTransferETH: ETH transfer failed");
+
+        // slither-disable-next-line reentrancy-events
+        emit ETHWithdrawalFinalized(_from, _to, _amount, _data);
+    }
+
+    /**
+     * @inheritdoc IL1ERC20Bridge
+     */
+    function finalizeERC20Withdrawal(
+        address _l1Token,
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256 _amount,
+        bytes calldata _data
+    ) external onlyFromCrossDomainAccount(l2TokenBridge) {
+        deposits[_l1Token][_l2Token] = deposits[_l1Token][_l2Token] - _amount;
+
+        // When a withdrawal is finalized on L1, the L1 Bridge transfers the funds to the withdrawer
+        // slither-disable-next-line reentrancy-events
+        IERC20(_l1Token).safeTransfer(_to, _amount);
+
+        // slither-disable-next-line reentrancy-events
+        emit ERC20WithdrawalFinalized(_l1Token, _l2Token, _from, _to, _amount, _data);
+    }
+
+    /*****************************
+     * Temporary - Migrating ETH *
+     *****************************/
+
+    /**
+     * @dev Adds ETH balance to the account. This is meant to allow for ETH
+     * to be migrated from an old gateway to a new gateway.
+     * NOTE: This is left for one upgrade only so we are able to receive the migrated ETH from the
+     * old contract
+     */
+    function donateETH() external payable {}
+}
diff --git a/packages/contracts/L1/rollup/CanonicalTransactionChain.sol b/packages/contracts/L1/rollup/CanonicalTransactionChain.sol
new file mode 100644
index 0000000000000..6a131e361dbdb
--- /dev/null
+++ b/packages/contracts/L1/rollup/CanonicalTransactionChain.sol
@@ -0,0 +1,537 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Library Imports */
+import { AddressAliasHelper } from "../../standards/AddressAliasHelper.sol";
+import { Lib_OVMCodec } from "../../libraries/codec/Lib_OVMCodec.sol";
+import { Lib_AddressResolver } from "../../libraries/resolver/Lib_AddressResolver.sol";
+
+/* Interface Imports */
+import { ICanonicalTransactionChain } from "./ICanonicalTransactionChain.sol";
+import { IChainStorageContainer } from "./IChainStorageContainer.sol";
+
+/**
+ * @title CanonicalTransactionChain
+ * @dev The Canonical Transaction Chain (CTC) contract is an append-only log of transactions
+ * which must be applied to the rollup state. It defines the ordering of rollup transactions by
+ * writing them to the 'CTC:batches' instance of the Chain Storage Container.
+ * The CTC also allows any account to 'enqueue' an L2 transaction, which will require that the
+ * Sequencer will eventually append it to the rollup state.
+ *
+ */
+contract CanonicalTransactionChain is ICanonicalTransactionChain, Lib_AddressResolver {
+    /*************
+     * Constants *
+     *************/
+
+    // L2 tx gas-related
+    uint256 public constant MIN_ROLLUP_TX_GAS = 100000;
+    uint256 public constant MAX_ROLLUP_TX_SIZE = 50000;
+
+    // The approximate cost of calling the enqueue function
+    uint256 public enqueueGasCost;
+    // The ratio of the cost of L1 gas to the cost of L2 gas
+    uint256 public l2GasDiscountDivisor;
+    // The amount of L2 gas which can be forwarded to L2 without spam prevention via 'gas burn'.
+    // Calculated as the product of l2GasDiscountDivisor * enqueueGasCost.
+    // See comments in enqueue() for further detail.
+    uint256 public enqueueL2GasPrepaid;
+
+    // Encoding-related (all in bytes)
+    uint256 internal constant BATCH_CONTEXT_SIZE = 16;
+    // slither-disable-next-line unused-state
+    uint256 internal constant BATCH_CONTEXT_LENGTH_POS = 12;
+    uint256 internal constant BATCH_CONTEXT_START_POS = 15;
+    // slither-disable-next-line unused-state
+    uint256 internal constant TX_DATA_HEADER_SIZE = 3;
+    // slither-disable-next-line unused-state
+    uint256 internal constant BYTES_TILL_TX_DATA = 65;
+
+    /*************
+     * Variables *
+     *************/
+
+    uint256 public maxTransactionGasLimit;
+
+    /***************
+     * Queue State *
+     ***************/
+
+    uint40 private _nextQueueIndex; // index of the first queue element not yet included
+    Lib_OVMCodec.QueueElement[] queueElements;
+
+    /***************
+     * Constructor *
+     ***************/
+
+    constructor(
+        address _libAddressManager,
+        uint256 _maxTransactionGasLimit,
+        uint256 _l2GasDiscountDivisor,
+        uint256 _enqueueGasCost
+    ) Lib_AddressResolver(_libAddressManager) {
+        maxTransactionGasLimit = _maxTransactionGasLimit;
+        l2GasDiscountDivisor = _l2GasDiscountDivisor;
+        enqueueGasCost = _enqueueGasCost;
+        enqueueL2GasPrepaid = _l2GasDiscountDivisor * _enqueueGasCost;
+    }
+
+    /**********************
+     * Function Modifiers *
+     **********************/
+
+    /**
+     * Modifier to enforce that, if configured, only the Burn Admin may
+     * successfully call a method.
+     */
+    modifier onlyBurnAdmin() {
+        require(msg.sender == libAddressManager.owner(), "Only callable by the Burn Admin.");
+        _;
+    }
+
+    /*******************************
+     * Authorized Setter Functions *
+     *******************************/
+
+    /**
+     * Allows the Burn Admin to update the parameters which determine the amount of gas to burn.
+     * The value of enqueueL2GasPrepaid is immediately updated as well.
+     * @param _l2GasDiscountDivisor The ratio of the cost of L1 gas to the cost of L2 gas
+     * @param _enqueueGasCost The approximate cost of calling the enqueue function
+     */
+    function setGasParams(uint256 _l2GasDiscountDivisor, uint256 _enqueueGasCost)
+        external
+        onlyBurnAdmin
+    {
+        enqueueGasCost = _enqueueGasCost;
+        l2GasDiscountDivisor = _l2GasDiscountDivisor;
+        // See the comment in enqueue() for the rationale behind this formula.
+        enqueueL2GasPrepaid = _l2GasDiscountDivisor * _enqueueGasCost;
+
+        emit L2GasParamsUpdated(l2GasDiscountDivisor, enqueueGasCost, enqueueL2GasPrepaid);
+    }
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * Accesses the batch storage container.
+     * @return Reference to the batch storage container.
+     */
+    function batches() public view returns (IChainStorageContainer) {
+        return IChainStorageContainer(resolve("ChainStorageContainer-CTC-batches"));
+    }
+
+    /**
+     * Retrieves the total number of elements submitted.
+     * @return _totalElements Total submitted elements.
+     */
+    function getTotalElements() public view returns (uint256 _totalElements) {
+        (uint40 totalElements, , , ) = _getBatchExtraData();
+        return uint256(totalElements);
+    }
+
+    /**
+     * Retrieves the total number of batches submitted.
+     * @return _totalBatches Total submitted batches.
+     */
+    // slither-disable-next-line external-function
+    function getTotalBatches() public view returns (uint256 _totalBatches) {
+        return batches().length();
+    }
+
+    /**
+     * Returns the index of the next element to be enqueued.
+     * @return Index for the next queue element.
+     */
+    // slither-disable-next-line external-function
+    function getNextQueueIndex() public view returns (uint40) {
+        return _nextQueueIndex;
+    }
+
+    /**
+     * Returns the timestamp of the last transaction.
+     * @return Timestamp for the last transaction.
+     */
+    // slither-disable-next-line external-function
+    function getLastTimestamp() public view returns (uint40) {
+        (, , uint40 lastTimestamp, ) = _getBatchExtraData();
+        return lastTimestamp;
+    }
+
+    /**
+     * Returns the blocknumber of the last transaction.
+     * @return Blocknumber for the last transaction.
+     */
+    // slither-disable-next-line external-function
+    function getLastBlockNumber() public view returns (uint40) {
+        (, , , uint40 lastBlockNumber) = _getBatchExtraData();
+        return lastBlockNumber;
+    }
+
+    /**
+     * Gets the queue element at a particular index.
+     * @param _index Index of the queue element to access.
+     * @return _element Queue element at the given index.
+     */
+    // slither-disable-next-line external-function
+    function getQueueElement(uint256 _index)
+        public
+        view
+        returns (Lib_OVMCodec.QueueElement memory _element)
+    {
+        return queueElements[_index];
+    }
+
+    /**
+     * Get the number of queue elements which have not yet been included.
+     * @return Number of pending queue elements.
+     */
+    // slither-disable-next-line external-function
+    function getNumPendingQueueElements() public view returns (uint40) {
+        return uint40(queueElements.length) - _nextQueueIndex;
+    }
+
+    /**
+     * Retrieves the length of the queue, including
+     * both pending and canonical transactions.
+     * @return Length of the queue.
+     */
+    // slither-disable-next-line external-function
+    function getQueueLength() public view returns (uint40) {
+        return uint40(queueElements.length);
+    }
+
+    /**
+     * Adds a transaction to the queue.
+     * @param _target Target L2 contract to send the transaction to.
+     * @param _gasLimit Gas limit for the enqueued L2 transaction.
+     * @param _data Transaction data.
+     */
+    function enqueue(
+        address _target,
+        uint256 _gasLimit,
+        bytes memory _data
+    ) external {
+        require(
+            _data.length <= MAX_ROLLUP_TX_SIZE,
+            "Transaction data size exceeds maximum for rollup transaction."
+        );
+
+        require(
+            _gasLimit <= maxTransactionGasLimit,
+            "Transaction gas limit exceeds maximum for rollup transaction."
+        );
+
+        require(_gasLimit >= MIN_ROLLUP_TX_GAS, "Transaction gas limit too low to enqueue.");
+
+        // Transactions submitted to the queue lack a method for paying gas fees to the Sequencer.
+        // So we need to prevent spam attacks by ensuring that the cost of enqueueing a transaction
+        // from L1 to L2 is not underpriced. For transaction with a high L2 gas limit, we do this by
+        // burning some extra gas on L1. Of course there is also some intrinsic cost to enqueueing a
+        // transaction, so we want to make sure not to over-charge (by burning too much L1 gas).
+        // Therefore, we define 'enqueueL2GasPrepaid' as the L2 gas limit above which we must burn
+        // additional gas on L1. This threshold is the product of two inputs:
+        // 1. enqueueGasCost: the base cost of calling this function.
+        // 2. l2GasDiscountDivisor: the ratio between the cost of gas on L1 and L2. This is a
+        //    positive integer, meaning we assume L2 gas is always less costly.
+        // The calculation below for gasToConsume can be seen as converting the difference (between
+        // the specified L2 gas limit and the prepaid L2 gas limit) to an L1 gas amount.
+        if (_gasLimit > enqueueL2GasPrepaid) {
+            uint256 gasToConsume = (_gasLimit - enqueueL2GasPrepaid) / l2GasDiscountDivisor;
+            uint256 startingGas = gasleft();
+
+            // Although this check is not necessary (burn below will run out of gas if not true), it
+            // gives the user an explicit reason as to why the enqueue attempt failed.
+            require(startingGas > gasToConsume, "Insufficient gas for L2 rate limiting burn.");
+
+            uint256 i;
+            while (startingGas - gasleft() < gasToConsume) {
+                i++;
+            }
+        }
+
+        // Apply an aliasing unless msg.sender == tx.origin. This prevents an attack in which a
+        // contract on L1 has the same address as a contract on L2 but doesn't have the same code.
+        // We can safely ignore this for EOAs because they're guaranteed to have the same "code"
+        // (i.e. no code at all). This also makes it possible for users to interact with contracts
+        // on L2 even when the Sequencer is down.
+        address sender;
+        if (msg.sender == tx.origin) {
+            sender = msg.sender;
+        } else {
+            sender = AddressAliasHelper.applyL1ToL2Alias(msg.sender);
+        }
+
+        bytes32 transactionHash = keccak256(abi.encode(sender, _target, _gasLimit, _data));
+
+        queueElements.push(
+            Lib_OVMCodec.QueueElement({
+                transactionHash: transactionHash,
+                timestamp: uint40(block.timestamp),
+                blockNumber: uint40(block.number)
+            })
+        );
+        uint256 queueIndex = queueElements.length - 1;
+        emit TransactionEnqueued(sender, _target, _gasLimit, _data, queueIndex, block.timestamp);
+    }
+
+    /**
+     * Allows the sequencer to append a batch of transactions.
+     * @dev This function uses a custom encoding scheme for efficiency reasons.
+     * .param _shouldStartAtElement Specific batch we expect to start appending to.
+     * .param _totalElementsToAppend Total number of batch elements we expect to append.
+     * .param _contexts Array of batch contexts.
+     * .param _transactionDataFields Array of raw transaction data.
+     */
+    function appendSequencerBatch() external {
+        uint40 shouldStartAtElement;
+        uint24 totalElementsToAppend;
+        uint24 numContexts;
+        assembly {
+            shouldStartAtElement := shr(216, calldataload(4))
+            totalElementsToAppend := shr(232, calldataload(9))
+            numContexts := shr(232, calldataload(12))
+        }
+
+        require(
+            shouldStartAtElement == getTotalElements(),
+            "Actual batch start index does not match expected start index."
+        );
+
+        require(
+            msg.sender == resolve("OVM_Sequencer"),
+            "Function can only be called by the Sequencer."
+        );
+
+        uint40 nextTransactionPtr = uint40(
+            BATCH_CONTEXT_START_POS + BATCH_CONTEXT_SIZE * numContexts
+        );
+
+        require(msg.data.length >= nextTransactionPtr, "Not enough BatchContexts provided.");
+
+        // Counter for number of sequencer transactions appended so far.
+        uint32 numSequencerTransactions = 0;
+
+        // Cache the _nextQueueIndex storage variable to a temporary stack variable.
+        // This is safe as long as nothing reads or writes to the storage variable
+        // until it is updated by the temp variable.
+        uint40 nextQueueIndex = _nextQueueIndex;
+
+        BatchContext memory curContext;
+        for (uint32 i = 0; i < numContexts; i++) {
+            BatchContext memory nextContext = _getBatchContext(i);
+
+            // Now we can update our current context.
+            curContext = nextContext;
+
+            // Process sequencer transactions first.
+            numSequencerTransactions += uint32(curContext.numSequencedTransactions);
+
+            // Now process any subsequent queue transactions.
+            nextQueueIndex += uint40(curContext.numSubsequentQueueTransactions);
+        }
+
+        require(
+            nextQueueIndex <= queueElements.length,
+            "Attempted to append more elements than are available in the queue."
+        );
+
+        // Generate the required metadata that we need to append this batch
+        uint40 numQueuedTransactions = totalElementsToAppend - numSequencerTransactions;
+        uint40 blockTimestamp;
+        uint40 blockNumber;
+        if (curContext.numSubsequentQueueTransactions == 0) {
+            // The last element is a sequencer tx, therefore pull timestamp and block number from
+            // the last context.
+            blockTimestamp = uint40(curContext.timestamp);
+            blockNumber = uint40(curContext.blockNumber);
+        } else {
+            // The last element is a queue tx, therefore pull timestamp and block number from the
+            // queue element.
+            // curContext.numSubsequentQueueTransactions > 0 which means that we've processed at
+            // least one queue element. We increment nextQueueIndex after processing each queue
+            // element, so the index of the last element we processed is nextQueueIndex - 1.
+            Lib_OVMCodec.QueueElement memory lastElement = queueElements[nextQueueIndex - 1];
+
+            blockTimestamp = lastElement.timestamp;
+            blockNumber = lastElement.blockNumber;
+        }
+
+        // Cache the previous blockhash to ensure all transaction data can be retrieved efficiently.
+        // slither-disable-next-line reentrancy-no-eth, reentrancy-events
+        _appendBatch(
+            blockhash(block.number - 1),
+            totalElementsToAppend,
+            numQueuedTransactions,
+            blockTimestamp,
+            blockNumber
+        );
+
+        // slither-disable-next-line reentrancy-events
+        emit SequencerBatchAppended(
+            nextQueueIndex - numQueuedTransactions,
+            numQueuedTransactions,
+            getTotalElements()
+        );
+
+        // Update the _nextQueueIndex storage variable.
+        // slither-disable-next-line reentrancy-no-eth
+        _nextQueueIndex = nextQueueIndex;
+    }
+
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /**
+     * Returns the BatchContext located at a particular index.
+     * @param _index The index of the BatchContext
+     * @return The BatchContext at the specified index.
+     */
+    function _getBatchContext(uint256 _index) internal pure returns (BatchContext memory) {
+        uint256 contextPtr = 15 + _index * BATCH_CONTEXT_SIZE;
+        // slither-disable-next-line similar-names
+        uint256 numSequencedTransactions;
+        uint256 numSubsequentQueueTransactions;
+        uint256 ctxTimestamp;
+        uint256 ctxBlockNumber;
+
+        assembly {
+            numSequencedTransactions := shr(232, calldataload(contextPtr))
+            numSubsequentQueueTransactions := shr(232, calldataload(add(contextPtr, 3)))
+            ctxTimestamp := shr(216, calldataload(add(contextPtr, 6)))
+            ctxBlockNumber := shr(216, calldataload(add(contextPtr, 11)))
+        }
+
+        return
+            BatchContext({
+                numSequencedTransactions: numSequencedTransactions,
+                numSubsequentQueueTransactions: numSubsequentQueueTransactions,
+                timestamp: ctxTimestamp,
+                blockNumber: ctxBlockNumber
+            });
+    }
+
+    /**
+     * Parses the batch context from the extra data.
+     * @return Total number of elements submitted.
+     * @return Index of the next queue element.
+     * @return Timestamp for the last transaction
+     * @return Block number for the last transaction.
+     */
+    function _getBatchExtraData()
+        internal
+        view
+        returns (
+            uint40,
+            uint40,
+            uint40,
+            uint40
+        )
+    {
+        bytes27 extraData = batches().getGlobalMetadata();
+
+        uint40 totalElements;
+        uint40 nextQueueIndex;
+        uint40 lastTimestamp;
+        uint40 lastBlockNumber;
+
+        // solhint-disable max-line-length
+        assembly {
+            extraData := shr(40, extraData)
+            totalElements := and(
+                extraData,
+                0x000000000000000000000000000000000000000000000000000000FFFFFFFFFF
+            )
+            nextQueueIndex := shr(
+                40,
+                and(extraData, 0x00000000000000000000000000000000000000000000FFFFFFFFFF0000000000)
+            )
+            lastTimestamp := shr(
+                80,
+                and(extraData, 0x0000000000000000000000000000000000FFFFFFFFFF00000000000000000000)
+            )
+            lastBlockNumber := shr(
+                120,
+                and(extraData, 0x000000000000000000000000FFFFFFFFFF000000000000000000000000000000)
+            )
+        }
+        // solhint-enable max-line-length
+
+        return (totalElements, nextQueueIndex, lastTimestamp, lastBlockNumber);
+    }
+
+    /**
+     * Encodes the batch context for the extra data.
+     * @param _totalElements Total number of elements submitted.
+     * @param _nextQueueIdx Index of the next queue element.
+     * @param _timestamp Timestamp for the last batch.
+     * @param _blockNumber Block number of the last batch.
+     * @return Encoded batch context.
+     */
+    function _makeBatchExtraData(
+        uint40 _totalElements,
+        uint40 _nextQueueIdx,
+        uint40 _timestamp,
+        uint40 _blockNumber
+    ) internal pure returns (bytes27) {
+        bytes27 extraData;
+        assembly {
+            extraData := _totalElements
+            extraData := or(extraData, shl(40, _nextQueueIdx))
+            extraData := or(extraData, shl(80, _timestamp))
+            extraData := or(extraData, shl(120, _blockNumber))
+            extraData := shl(40, extraData)
+        }
+
+        return extraData;
+    }
+
+    /**
+     * Inserts a batch into the chain of batches.
+     * @param _transactionRoot Root of the transaction tree for this batch.
+     * @param _batchSize Number of elements in the batch.
+     * @param _numQueuedTransactions Number of queue transactions in the batch.
+     * @param _timestamp The latest batch timestamp.
+     * @param _blockNumber The latest batch blockNumber.
+     */
+    function _appendBatch(
+        bytes32 _transactionRoot,
+        uint256 _batchSize,
+        uint256 _numQueuedTransactions,
+        uint40 _timestamp,
+        uint40 _blockNumber
+    ) internal {
+        IChainStorageContainer batchesRef = batches();
+        (uint40 totalElements, uint40 nextQueueIndex, , ) = _getBatchExtraData();
+
+        Lib_OVMCodec.ChainBatchHeader memory header = Lib_OVMCodec.ChainBatchHeader({
+            batchIndex: batchesRef.length(),
+            batchRoot: _transactionRoot,
+            batchSize: _batchSize,
+            prevTotalElements: totalElements,
+            extraData: hex""
+        });
+
+        emit TransactionBatchAppended(
+            header.batchIndex,
+            header.batchRoot,
+            header.batchSize,
+            header.prevTotalElements,
+            header.extraData
+        );
+
+        bytes32 batchHeaderHash = Lib_OVMCodec.hashBatchHeader(header);
+        bytes27 latestBatchContext = _makeBatchExtraData(
+            totalElements + uint40(header.batchSize),
+            nextQueueIndex + uint40(_numQueuedTransactions),
+            _timestamp,
+            _blockNumber
+        );
+
+        // slither-disable-next-line reentrancy-no-eth, reentrancy-events
+        batchesRef.push(batchHeaderHash, latestBatchContext);
+    }
+}
diff --git a/packages/contracts/L1/rollup/ChainStorageContainer.sol b/packages/contracts/L1/rollup/ChainStorageContainer.sol
new file mode 100644
index 0000000000000..2922ae06f665b
--- /dev/null
+++ b/packages/contracts/L1/rollup/ChainStorageContainer.sol
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Library Imports */
+import { Lib_Buffer } from "../../libraries/utils/Lib_Buffer.sol";
+import { Lib_AddressResolver } from "../../libraries/resolver/Lib_AddressResolver.sol";
+
+/* Interface Imports */
+import { IChainStorageContainer } from "./IChainStorageContainer.sol";
+
+/**
+ * @title ChainStorageContainer
+ * @dev The Chain Storage Container provides its owner contract with read, write and delete
+ * functionality. This provides gas efficiency gains by enabling it to overwrite storage slots which
+ * can no longer be used in a fraud proof due to the fraud window having passed, and the associated
+ * chain state or transactions being finalized.
+ * Three distinct Chain Storage Containers will be deployed on Layer 1:
+ * 1. Stores transaction batches for the Canonical Transaction Chain
+ * 2. Stores queued transactions for the Canonical Transaction Chain
+ * 3. Stores chain state batches for the State Commitment Chain
+ *
+ */
+contract ChainStorageContainer is IChainStorageContainer, Lib_AddressResolver {
+    /*************
+     * Libraries *
+     *************/
+
+    using Lib_Buffer for Lib_Buffer.Buffer;
+
+    /*************
+     * Variables *
+     *************/
+
+    string public owner;
+    Lib_Buffer.Buffer internal buffer;
+
+    /***************
+     * Constructor *
+     ***************/
+
+    /**
+     * @param _libAddressManager Address of the Address Manager.
+     * @param _owner Name of the contract that owns this container (will be resolved later).
+     */
+    constructor(address _libAddressManager, string memory _owner)
+        Lib_AddressResolver(_libAddressManager)
+    {
+        owner = _owner;
+    }
+
+    /**********************
+     * Function Modifiers *
+     **********************/
+
+    modifier onlyOwner() {
+        require(
+            msg.sender == resolve(owner),
+            "ChainStorageContainer: Function can only be called by the owner."
+        );
+        _;
+    }
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * @inheritdoc IChainStorageContainer
+     */
+    // slither-disable-next-line external-function
+    function setGlobalMetadata(bytes27 _globalMetadata) public onlyOwner {
+        return buffer.setExtraData(_globalMetadata);
+    }
+
+    /**
+     * @inheritdoc IChainStorageContainer
+     */
+    // slither-disable-next-line external-function
+    function getGlobalMetadata() public view returns (bytes27) {
+        return buffer.getExtraData();
+    }
+
+    /**
+     * @inheritdoc IChainStorageContainer
+     */
+    // slither-disable-next-line external-function
+    function length() public view returns (uint256) {
+        return uint256(buffer.getLength());
+    }
+
+    /**
+     * @inheritdoc IChainStorageContainer
+     */
+    // slither-disable-next-line external-function
+    function push(bytes32 _object) public onlyOwner {
+        buffer.push(_object);
+    }
+
+    /**
+     * @inheritdoc IChainStorageContainer
+     */
+    // slither-disable-next-line external-function
+    function push(bytes32 _object, bytes27 _globalMetadata) public onlyOwner {
+        buffer.push(_object, _globalMetadata);
+    }
+
+    /**
+     * @inheritdoc IChainStorageContainer
+     */
+    // slither-disable-next-line external-function
+    function get(uint256 _index) public view returns (bytes32) {
+        return buffer.get(uint40(_index));
+    }
+
+    /**
+     * @inheritdoc IChainStorageContainer
+     */
+    // slither-disable-next-line external-function
+    function deleteElementsAfterInclusive(uint256 _index) public onlyOwner {
+        buffer.deleteElementsAfterInclusive(uint40(_index));
+    }
+
+    /**
+     * @inheritdoc IChainStorageContainer
+     */
+    // slither-disable-next-line external-function
+    function deleteElementsAfterInclusive(uint256 _index, bytes27 _globalMetadata)
+        public
+        onlyOwner
+    {
+        buffer.deleteElementsAfterInclusive(uint40(_index), _globalMetadata);
+    }
+}
diff --git a/packages/contracts/L1/rollup/ICanonicalTransactionChain.sol b/packages/contracts/L1/rollup/ICanonicalTransactionChain.sol
new file mode 100644
index 0000000000000..36f4cba4c5dd8
--- /dev/null
+++ b/packages/contracts/L1/rollup/ICanonicalTransactionChain.sol
@@ -0,0 +1,163 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >0.5.0 <0.9.0;
+
+/* Library Imports */
+import { Lib_OVMCodec } from "../../libraries/codec/Lib_OVMCodec.sol";
+
+/* Interface Imports */
+import { IChainStorageContainer } from "./IChainStorageContainer.sol";
+
+/**
+ * @title ICanonicalTransactionChain
+ */
+interface ICanonicalTransactionChain {
+    /**********
+     * Events *
+     **********/
+
+    event L2GasParamsUpdated(
+        uint256 l2GasDiscountDivisor,
+        uint256 enqueueGasCost,
+        uint256 enqueueL2GasPrepaid
+    );
+
+    event TransactionEnqueued(
+        address indexed _l1TxOrigin,
+        address indexed _target,
+        uint256 _gasLimit,
+        bytes _data,
+        uint256 indexed _queueIndex,
+        uint256 _timestamp
+    );
+
+    event QueueBatchAppended(
+        uint256 _startingQueueIndex,
+        uint256 _numQueueElements,
+        uint256 _totalElements
+    );
+
+    event SequencerBatchAppended(
+        uint256 _startingQueueIndex,
+        uint256 _numQueueElements,
+        uint256 _totalElements
+    );
+
+    event TransactionBatchAppended(
+        uint256 indexed _batchIndex,
+        bytes32 _batchRoot,
+        uint256 _batchSize,
+        uint256 _prevTotalElements,
+        bytes _extraData
+    );
+
+    /***********
+     * Structs *
+     ***********/
+
+    struct BatchContext {
+        uint256 numSequencedTransactions;
+        uint256 numSubsequentQueueTransactions;
+        uint256 timestamp;
+        uint256 blockNumber;
+    }
+
+    /*******************************
+     * Authorized Setter Functions *
+     *******************************/
+
+    /**
+     * Allows the Burn Admin to update the parameters which determine the amount of gas to burn.
+     * The value of enqueueL2GasPrepaid is immediately updated as well.
+     */
+    function setGasParams(uint256 _l2GasDiscountDivisor, uint256 _enqueueGasCost) external;
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * Accesses the batch storage container.
+     * @return Reference to the batch storage container.
+     */
+    function batches() external view returns (IChainStorageContainer);
+
+    /**
+     * Retrieves the total number of elements submitted.
+     * @return _totalElements Total submitted elements.
+     */
+    function getTotalElements() external view returns (uint256 _totalElements);
+
+    /**
+     * Retrieves the total number of batches submitted.
+     * @return _totalBatches Total submitted batches.
+     */
+    function getTotalBatches() external view returns (uint256 _totalBatches);
+
+    /**
+     * Returns the index of the next element to be enqueued.
+     * @return Index for the next queue element.
+     */
+    function getNextQueueIndex() external view returns (uint40);
+
+    /**
+     * Gets the queue element at a particular index.
+     * @param _index Index of the queue element to access.
+     * @return _element Queue element at the given index.
+     */
+    function getQueueElement(uint256 _index)
+        external
+        view
+        returns (Lib_OVMCodec.QueueElement memory _element);
+
+    /**
+     * Returns the timestamp of the last transaction.
+     * @return Timestamp for the last transaction.
+     */
+    function getLastTimestamp() external view returns (uint40);
+
+    /**
+     * Returns the blocknumber of the last transaction.
+     * @return Blocknumber for the last transaction.
+     */
+    function getLastBlockNumber() external view returns (uint40);
+
+    /**
+     * Get the number of queue elements which have not yet been included.
+     * @return Number of pending queue elements.
+     */
+    function getNumPendingQueueElements() external view returns (uint40);
+
+    /**
+     * Retrieves the length of the queue, including
+     * both pending and canonical transactions.
+     * @return Length of the queue.
+     */
+    function getQueueLength() external view returns (uint40);
+
+    /**
+     * Adds a transaction to the queue.
+     * @param _target Target contract to send the transaction to.
+     * @param _gasLimit Gas limit for the given transaction.
+     * @param _data Transaction data.
+     */
+    function enqueue(
+        address _target,
+        uint256 _gasLimit,
+        bytes memory _data
+    ) external;
+
+    /**
+     * Allows the sequencer to append a batch of transactions.
+     * @dev This function uses a custom encoding scheme for efficiency reasons.
+     * .param _shouldStartAtElement Specific batch we expect to start appending to.
+     * .param _totalElementsToAppend Total number of batch elements we expect to append.
+     * .param _contexts Array of batch contexts.
+     * .param _transactionDataFields Array of raw transaction data.
+     */
+    function appendSequencerBatch(
+        // uint40 _shouldStartAtElement,
+        // uint24 _totalElementsToAppend,
+        // BatchContext[] _contexts,
+        // bytes[] _transactionDataFields
+    ) external;
+}
diff --git a/packages/contracts/L1/rollup/IChainStorageContainer.sol b/packages/contracts/L1/rollup/IChainStorageContainer.sol
new file mode 100644
index 0000000000000..413af507f1aa6
--- /dev/null
+++ b/packages/contracts/L1/rollup/IChainStorageContainer.sol
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >0.5.0 <0.9.0;
+
+/**
+ * @title IChainStorageContainer
+ */
+interface IChainStorageContainer {
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * Sets the container's global metadata field. We're using `bytes27` here because we use five
+     * bytes to maintain the length of the underlying data structure, meaning we have an extra
+     * 27 bytes to store arbitrary data.
+     * @param _globalMetadata New global metadata to set.
+     */
+    function setGlobalMetadata(bytes27 _globalMetadata) external;
+
+    /**
+     * Retrieves the container's global metadata field.
+     * @return Container global metadata field.
+     */
+    function getGlobalMetadata() external view returns (bytes27);
+
+    /**
+     * Retrieves the number of objects stored in the container.
+     * @return Number of objects in the container.
+     */
+    function length() external view returns (uint256);
+
+    /**
+     * Pushes an object into the container.
+     * @param _object A 32 byte value to insert into the container.
+     */
+    function push(bytes32 _object) external;
+
+    /**
+     * Pushes an object into the container. Function allows setting the global metadata since
+     * we'll need to touch the "length" storage slot anyway, which also contains the global
+     * metadata (it's an optimization).
+     * @param _object A 32 byte value to insert into the container.
+     * @param _globalMetadata New global metadata for the container.
+     */
+    function push(bytes32 _object, bytes27 _globalMetadata) external;
+
+    /**
+     * Retrieves an object from the container.
+     * @param _index Index of the particular object to access.
+     * @return 32 byte object value.
+     */
+    function get(uint256 _index) external view returns (bytes32);
+
+    /**
+     * Removes all objects after and including a given index.
+     * @param _index Object index to delete from.
+     */
+    function deleteElementsAfterInclusive(uint256 _index) external;
+
+    /**
+     * Removes all objects after and including a given index. Also allows setting the global
+     * metadata field.
+     * @param _index Object index to delete from.
+     * @param _globalMetadata New global metadata for the container.
+     */
+    function deleteElementsAfterInclusive(uint256 _index, bytes27 _globalMetadata) external;
+}
diff --git a/packages/contracts/L1/rollup/IStateCommitmentChain.sol b/packages/contracts/L1/rollup/IStateCommitmentChain.sol
new file mode 100644
index 0000000000000..17c4e15b52fac
--- /dev/null
+++ b/packages/contracts/L1/rollup/IStateCommitmentChain.sol
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >0.5.0 <0.9.0;
+
+/* Library Imports */
+import { Lib_OVMCodec } from "../../libraries/codec/Lib_OVMCodec.sol";
+
+/**
+ * @title IStateCommitmentChain
+ */
+interface IStateCommitmentChain {
+    /**********
+     * Events *
+     **********/
+
+    event StateBatchAppended(
+        uint256 indexed _batchIndex,
+        bytes32 _batchRoot,
+        uint256 _batchSize,
+        uint256 _prevTotalElements,
+        bytes _extraData
+    );
+
+    event StateBatchDeleted(uint256 indexed _batchIndex, bytes32 _batchRoot);
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * Retrieves the total number of elements submitted.
+     * @return _totalElements Total submitted elements.
+     */
+    function getTotalElements() external view returns (uint256 _totalElements);
+
+    /**
+     * Retrieves the total number of batches submitted.
+     * @return _totalBatches Total submitted batches.
+     */
+    function getTotalBatches() external view returns (uint256 _totalBatches);
+
+    /**
+     * Retrieves the timestamp of the last batch submitted by the sequencer.
+     * @return _lastSequencerTimestamp Last sequencer batch timestamp.
+     */
+    function getLastSequencerTimestamp() external view returns (uint256 _lastSequencerTimestamp);
+
+    /**
+     * Appends a batch of state roots to the chain.
+     * @param _batch Batch of state roots.
+     * @param _shouldStartAtElement Index of the element at which this batch should start.
+     */
+    function appendStateBatch(bytes32[] calldata _batch, uint256 _shouldStartAtElement) external;
+
+    /**
+     * Deletes all state roots after (and including) a given batch.
+     * @param _batchHeader Header of the batch to start deleting from.
+     */
+    function deleteStateBatch(Lib_OVMCodec.ChainBatchHeader memory _batchHeader) external;
+
+    /**
+     * Verifies a batch inclusion proof.
+     * @param _element Hash of the element to verify a proof for.
+     * @param _batchHeader Header of the batch in which the element was included.
+     * @param _proof Merkle inclusion proof for the element.
+     * @return _verified Whether or not the batch inclusion proof is verified.
+     */
+    function verifyStateCommitment(
+        bytes32 _element,
+        Lib_OVMCodec.ChainBatchHeader memory _batchHeader,
+        Lib_OVMCodec.ChainInclusionProof memory _proof
+    ) external view returns (bool _verified);
+
+    /**
+     * Checks whether a given batch is still inside its fraud proof window.
+     * @param _batchHeader Header of the batch to check.
+     * @return _inside Whether or not the batch is inside the fraud proof window.
+     */
+    function insideFraudProofWindow(Lib_OVMCodec.ChainBatchHeader memory _batchHeader)
+        external
+        view
+        returns (bool _inside);
+}
diff --git a/packages/contracts/L1/rollup/StateCommitmentChain.sol b/packages/contracts/L1/rollup/StateCommitmentChain.sol
new file mode 100644
index 0000000000000..31271f5e44be4
--- /dev/null
+++ b/packages/contracts/L1/rollup/StateCommitmentChain.sol
@@ -0,0 +1,309 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Library Imports */
+import { Lib_OVMCodec } from "../../libraries/codec/Lib_OVMCodec.sol";
+import { Lib_AddressResolver } from "../../libraries/resolver/Lib_AddressResolver.sol";
+import { Lib_MerkleTree } from "../../libraries/utils/Lib_MerkleTree.sol";
+
+/* Interface Imports */
+import { IStateCommitmentChain } from "./IStateCommitmentChain.sol";
+import { ICanonicalTransactionChain } from "./ICanonicalTransactionChain.sol";
+import { IBondManager } from "../verification/IBondManager.sol";
+import { IChainStorageContainer } from "./IChainStorageContainer.sol";
+
+/**
+ * @title StateCommitmentChain
+ * @dev The State Commitment Chain (SCC) contract contains a list of proposed state roots which
+ * Proposers assert to be a result of each transaction in the Canonical Transaction Chain (CTC).
+ * Elements here have a 1:1 correspondence with transactions in the CTC, and should be the unique
+ * state root calculated off-chain by applying the canonical transactions one by one.
+ *
+ */
+contract StateCommitmentChain is IStateCommitmentChain, Lib_AddressResolver {
+    /*************
+     * Constants *
+     *************/
+
+    uint256 public FRAUD_PROOF_WINDOW;
+    uint256 public SEQUENCER_PUBLISH_WINDOW;
+
+    /***************
+     * Constructor *
+     ***************/
+
+    /**
+     * @param _libAddressManager Address of the Address Manager.
+     * @param _fraudProofWindow Number of seconds until fraud proof is in the finalized state.
+     * @param _sequencerPublishWindow Number of seconds that the sequencer is exclusively allowed
+     * to post state roots.
+     */
+    constructor(
+        address _libAddressManager,
+        uint256 _fraudProofWindow,
+        uint256 _sequencerPublishWindow
+    ) Lib_AddressResolver(_libAddressManager) {
+        FRAUD_PROOF_WINDOW = _fraudProofWindow;
+        SEQUENCER_PUBLISH_WINDOW = _sequencerPublishWindow;
+    }
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * Accesses the batch storage container.
+     * @return Reference to the batch storage container.
+     */
+    function batches() public view returns (IChainStorageContainer) {
+        return IChainStorageContainer(resolve("ChainStorageContainer-SCC-batches"));
+    }
+
+    /**
+     * @inheritdoc IStateCommitmentChain
+     */
+    function getTotalElements() public view returns (uint256 _totalElements) {
+        (uint40 totalElements, ) = _getBatchExtraData();
+        return uint256(totalElements);
+    }
+
+    /**
+     * @inheritdoc IStateCommitmentChain
+     */
+    function getTotalBatches() public view returns (uint256 _totalBatches) {
+        return batches().length();
+    }
+
+    /**
+     * @inheritdoc IStateCommitmentChain
+     */
+    // slither-disable-next-line external-function
+    function getLastSequencerTimestamp() public view returns (uint256 _lastSequencerTimestamp) {
+        (, uint40 lastSequencerTimestamp) = _getBatchExtraData();
+        return uint256(lastSequencerTimestamp);
+    }
+
+    /**
+     * @inheritdoc IStateCommitmentChain
+     */
+    // slither-disable-next-line external-function
+    function appendStateBatch(bytes32[] memory _batch, uint256 _shouldStartAtElement) public {
+        // Fail fast in to make sure our batch roots aren't accidentally made fraudulent by the
+        // publication of batches by some other user.
+        require(
+            _shouldStartAtElement == getTotalElements(),
+            "Actual batch start index does not match expected start index."
+        );
+
+        // Proposers must have previously staked at the BondManager
+        require(
+            IBondManager(resolve("BondManager")).isCollateralized(msg.sender),
+            "Proposer does not have enough collateral posted"
+        );
+
+        require(_batch.length > 0, "Cannot submit an empty state batch.");
+
+        require(
+            getTotalElements() + _batch.length <=
+                ICanonicalTransactionChain(resolve("CanonicalTransactionChain")).getTotalElements(),
+            "Number of state roots cannot exceed the number of canonical transactions."
+        );
+
+        // Pass the block's timestamp and the publisher of the data
+        // to be used in the fraud proofs
+        _appendBatch(_batch, abi.encode(block.timestamp, msg.sender));
+    }
+
+    /**
+     * @inheritdoc IStateCommitmentChain
+     */
+    // slither-disable-next-line external-function
+    function deleteStateBatch(Lib_OVMCodec.ChainBatchHeader memory _batchHeader) public {
+        require(
+            msg.sender == resolve("OVM_FraudVerifier"),
+            "State batches can only be deleted by the OVM_FraudVerifier."
+        );
+
+        require(_isValidBatchHeader(_batchHeader), "Invalid batch header.");
+
+        require(
+            insideFraudProofWindow(_batchHeader),
+            "State batches can only be deleted within the fraud proof window."
+        );
+
+        _deleteBatch(_batchHeader);
+    }
+
+    /**
+     * @inheritdoc IStateCommitmentChain
+     */
+    // slither-disable-next-line external-function
+    function verifyStateCommitment(
+        bytes32 _element,
+        Lib_OVMCodec.ChainBatchHeader memory _batchHeader,
+        Lib_OVMCodec.ChainInclusionProof memory _proof
+    ) public view returns (bool) {
+        require(_isValidBatchHeader(_batchHeader), "Invalid batch header.");
+
+        require(
+            Lib_MerkleTree.verify(
+                _batchHeader.batchRoot,
+                _element,
+                _proof.index,
+                _proof.siblings,
+                _batchHeader.batchSize
+            ),
+            "Invalid inclusion proof."
+        );
+
+        return true;
+    }
+
+    /**
+     * @inheritdoc IStateCommitmentChain
+     */
+    function insideFraudProofWindow(Lib_OVMCodec.ChainBatchHeader memory _batchHeader)
+        public
+        view
+        returns (bool _inside)
+    {
+        (uint256 timestamp, ) = abi.decode(_batchHeader.extraData, (uint256, address));
+
+        require(timestamp != 0, "Batch header timestamp cannot be zero");
+        return (timestamp + FRAUD_PROOF_WINDOW) > block.timestamp;
+    }
+
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /**
+     * Parses the batch context from the extra data.
+     * @return Total number of elements submitted.
+     * @return Timestamp of the last batch submitted by the sequencer.
+     */
+    function _getBatchExtraData() internal view returns (uint40, uint40) {
+        bytes27 extraData = batches().getGlobalMetadata();
+
+        // solhint-disable max-line-length
+        uint40 totalElements;
+        uint40 lastSequencerTimestamp;
+        assembly {
+            extraData := shr(40, extraData)
+            totalElements := and(
+                extraData,
+                0x000000000000000000000000000000000000000000000000000000FFFFFFFFFF
+            )
+            lastSequencerTimestamp := shr(
+                40,
+                and(extraData, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000000000)
+            )
+        }
+        // solhint-enable max-line-length
+
+        return (totalElements, lastSequencerTimestamp);
+    }
+
+    /**
+     * Encodes the batch context for the extra data.
+     * @param _totalElements Total number of elements submitted.
+     * @param _lastSequencerTimestamp Timestamp of the last batch submitted by the sequencer.
+     * @return Encoded batch context.
+     */
+    function _makeBatchExtraData(uint40 _totalElements, uint40 _lastSequencerTimestamp)
+        internal
+        pure
+        returns (bytes27)
+    {
+        bytes27 extraData;
+        assembly {
+            extraData := _totalElements
+            extraData := or(extraData, shl(40, _lastSequencerTimestamp))
+            extraData := shl(40, extraData)
+        }
+
+        return extraData;
+    }
+
+    /**
+     * Appends a batch to the chain.
+     * @param _batch Elements within the batch.
+     * @param _extraData Any extra data to append to the batch.
+     */
+    function _appendBatch(bytes32[] memory _batch, bytes memory _extraData) internal {
+        address sequencer = resolve("OVM_Proposer");
+        (uint40 totalElements, uint40 lastSequencerTimestamp) = _getBatchExtraData();
+
+        if (msg.sender == sequencer) {
+            lastSequencerTimestamp = uint40(block.timestamp);
+        } else {
+            // We keep track of the last batch submitted by the sequencer so there's a window in
+            // which only the sequencer can publish state roots. A window like this just reduces
+            // the chance of "system breaking" state roots being published while we're still in
+            // testing mode. This window should be removed or significantly reduced in the future.
+            require(
+                lastSequencerTimestamp + SEQUENCER_PUBLISH_WINDOW < block.timestamp,
+                "Cannot publish state roots within the sequencer publication window."
+            );
+        }
+
+        // For efficiency reasons getMerkleRoot modifies the `_batch` argument in place
+        // while calculating the root hash therefore any arguments passed to it must not
+        // be used again afterwards
+        Lib_OVMCodec.ChainBatchHeader memory batchHeader = Lib_OVMCodec.ChainBatchHeader({
+            batchIndex: getTotalBatches(),
+            batchRoot: Lib_MerkleTree.getMerkleRoot(_batch),
+            batchSize: _batch.length,
+            prevTotalElements: totalElements,
+            extraData: _extraData
+        });
+
+        emit StateBatchAppended(
+            batchHeader.batchIndex,
+            batchHeader.batchRoot,
+            batchHeader.batchSize,
+            batchHeader.prevTotalElements,
+            batchHeader.extraData
+        );
+
+        batches().push(
+            Lib_OVMCodec.hashBatchHeader(batchHeader),
+            _makeBatchExtraData(
+                uint40(batchHeader.prevTotalElements + batchHeader.batchSize),
+                lastSequencerTimestamp
+            )
+        );
+    }
+
+    /**
+     * Removes a batch and all subsequent batches from the chain.
+     * @param _batchHeader Header of the batch to remove.
+     */
+    function _deleteBatch(Lib_OVMCodec.ChainBatchHeader memory _batchHeader) internal {
+        require(_batchHeader.batchIndex < batches().length(), "Invalid batch index.");
+
+        require(_isValidBatchHeader(_batchHeader), "Invalid batch header.");
+
+        // slither-disable-next-line reentrancy-events
+        batches().deleteElementsAfterInclusive(
+            _batchHeader.batchIndex,
+            _makeBatchExtraData(uint40(_batchHeader.prevTotalElements), 0)
+        );
+
+        // slither-disable-next-line reentrancy-events
+        emit StateBatchDeleted(_batchHeader.batchIndex, _batchHeader.batchRoot);
+    }
+
+    /**
+     * Checks that a batch header matches the stored hash for the given index.
+     * @param _batchHeader Batch header to validate.
+     * @return Whether or not the header matches the stored one.
+     */
+    function _isValidBatchHeader(Lib_OVMCodec.ChainBatchHeader memory _batchHeader)
+        internal
+        view
+        returns (bool)
+    {
+        return Lib_OVMCodec.hashBatchHeader(_batchHeader) == batches().get(_batchHeader.batchIndex);
+    }
+}
diff --git a/packages/contracts/L1/verification/BondManager.sol b/packages/contracts/L1/verification/BondManager.sol
new file mode 100644
index 0000000000000..9e33907db52a0
--- /dev/null
+++ b/packages/contracts/L1/verification/BondManager.sol
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Interface Imports */
+import { IBondManager } from "./IBondManager.sol";
+
+/* Contract Imports */
+import { Lib_AddressResolver } from "../../libraries/resolver/Lib_AddressResolver.sol";
+
+/**
+ * @title BondManager
+ * @dev This contract is, for now, a stub of the "real" BondManager that does nothing but
+ * allow the "OVM_Proposer" to submit state root batches.
+ *
+ */
+contract BondManager is IBondManager, Lib_AddressResolver {
+    /**
+     * @param _libAddressManager Address of the Address Manager.
+     */
+    constructor(address _libAddressManager) Lib_AddressResolver(_libAddressManager) {}
+
+    /**
+     * @inheritdoc IBondManager
+     */
+    // slither-disable-next-line external-function
+    function isCollateralized(address _who) public view returns (bool) {
+        // Only authenticate sequencer to submit state root batches.
+        return _who == resolve("OVM_Proposer");
+    }
+}
diff --git a/packages/contracts/L1/verification/IBondManager.sol b/packages/contracts/L1/verification/IBondManager.sol
new file mode 100644
index 0000000000000..beed2f5a995d7
--- /dev/null
+++ b/packages/contracts/L1/verification/IBondManager.sol
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/**
+ * @title IBondManager
+ */
+interface IBondManager {
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * Checks whether a given address is properly collateralized and can perform actions within
+     * the system.
+     * @param _who Address to check.
+     * @return true if the address is properly collateralized, false otherwise.
+     */
+    function isCollateralized(address _who) external view returns (bool);
+}
diff --git a/packages/contracts/L2/messaging/IL2CrossDomainMessenger.sol b/packages/contracts/L2/messaging/IL2CrossDomainMessenger.sol
new file mode 100644
index 0000000000000..a7af8f1884332
--- /dev/null
+++ b/packages/contracts/L2/messaging/IL2CrossDomainMessenger.sol
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Interface Imports */
+import { ICrossDomainMessenger } from "../../libraries/bridge/ICrossDomainMessenger.sol";
+
+/**
+ * @title IL2CrossDomainMessenger
+ */
+interface IL2CrossDomainMessenger is ICrossDomainMessenger {
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * Relays a cross domain message to a contract.
+     * @param _target Target contract address.
+     * @param _sender Message sender address.
+     * @param _message Message to send to the target.
+     * @param _messageNonce Nonce for the provided message.
+     */
+    function relayMessage(
+        address _target,
+        address _sender,
+        bytes memory _message,
+        uint256 _messageNonce
+    ) external;
+}
diff --git a/packages/contracts/L2/messaging/IL2ERC20Bridge.sol b/packages/contracts/L2/messaging/IL2ERC20Bridge.sol
new file mode 100644
index 0000000000000..b529bd9b12e0a
--- /dev/null
+++ b/packages/contracts/L2/messaging/IL2ERC20Bridge.sol
@@ -0,0 +1,108 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/**
+ * @title IL2ERC20Bridge
+ */
+interface IL2ERC20Bridge {
+    /**********
+     * Events *
+     **********/
+
+    event WithdrawalInitiated(
+        address indexed _l1Token,
+        address indexed _l2Token,
+        address indexed _from,
+        address _to,
+        uint256 _amount,
+        bytes _data
+    );
+
+    event DepositFinalized(
+        address indexed _l1Token,
+        address indexed _l2Token,
+        address indexed _from,
+        address _to,
+        uint256 _amount,
+        bytes _data
+    );
+
+    event DepositFailed(
+        address indexed _l1Token,
+        address indexed _l2Token,
+        address indexed _from,
+        address _to,
+        uint256 _amount,
+        bytes _data
+    );
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * @dev get the address of the corresponding L1 bridge contract.
+     * @return Address of the corresponding L1 bridge contract.
+     */
+    function l1TokenBridge() external returns (address);
+
+    /**
+     * @dev initiate a withdraw of some tokens to the caller's account on L1
+     * @param _l2Token Address of L2 token where withdrawal was initiated.
+     * @param _amount Amount of the token to withdraw.
+     * @param _l1Gas Unused, but included for potential forward compatibility considerations.
+     * @param _data Optional data to forward to L1. This data is provided
+     *        solely as a convenience for external contracts. Aside from enforcing a maximum
+     *        length, these contracts provide no guarantees about its content.
+     */
+    function withdraw(
+        address _l2Token,
+        uint256 _amount,
+        uint32 _l1Gas,
+        bytes calldata _data
+    ) external;
+
+    /**
+     * @dev initiate a withdraw of some token to a recipient's account on L1.
+     * @param _l2Token Address of L2 token where withdrawal is initiated.
+     * @param _to L1 adress to credit the withdrawal to.
+     * @param _amount Amount of the token to withdraw.
+     * @param _l1Gas Unused, but included for potential forward compatibility considerations.
+     * @param _data Optional data to forward to L1. This data is provided
+     *        solely as a convenience for external contracts. Aside from enforcing a maximum
+     *        length, these contracts provide no guarantees about its content.
+     */
+    function withdrawTo(
+        address _l2Token,
+        address _to,
+        uint256 _amount,
+        uint32 _l1Gas,
+        bytes calldata _data
+    ) external;
+
+    /*************************
+     * Cross-chain Functions *
+     *************************/
+
+    /**
+     * @dev Complete a deposit from L1 to L2, and credits funds to the recipient's balance of this
+     * L2 token. This call will fail if it did not originate from a corresponding deposit in
+     * L1StandardTokenBridge.
+     * @param _l1Token Address for the l1 token this is called with
+     * @param _l2Token Address for the l2 token this is called with
+     * @param _from Account to pull the deposit from on L2.
+     * @param _to Address to receive the withdrawal at
+     * @param _amount Amount of the token to withdraw
+     * @param _data Data provider by the sender on L1. This data is provided
+     *        solely as a convenience for external contracts. Aside from enforcing a maximum
+     *        length, these contracts provide no guarantees about its content.
+     */
+    function finalizeDeposit(
+        address _l1Token,
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256 _amount,
+        bytes calldata _data
+    ) external;
+}
diff --git a/packages/contracts/L2/messaging/L2CrossDomainMessenger.sol b/packages/contracts/L2/messaging/L2CrossDomainMessenger.sol
new file mode 100644
index 0000000000000..ab3d1c85b3c4a
--- /dev/null
+++ b/packages/contracts/L2/messaging/L2CrossDomainMessenger.sol
@@ -0,0 +1,157 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Library Imports */
+import { AddressAliasHelper } from "../../standards/AddressAliasHelper.sol";
+import { Lib_CrossDomainUtils } from "../../libraries/bridge/Lib_CrossDomainUtils.sol";
+import { Lib_DefaultValues } from "../../libraries/constants/Lib_DefaultValues.sol";
+import { Lib_PredeployAddresses } from "../../libraries/constants/Lib_PredeployAddresses.sol";
+
+/* Interface Imports */
+import { IL2CrossDomainMessenger } from "./IL2CrossDomainMessenger.sol";
+import { iOVM_L2ToL1MessagePasser } from "../predeploys/iOVM_L2ToL1MessagePasser.sol";
+
+/**
+ * @title L2CrossDomainMessenger
+ * @dev The L2 Cross Domain Messenger contract sends messages from L2 to L1, and is the entry point
+ * for L2 messages sent via the L1 Cross Domain Messenger.
+ *
+ */
+contract L2CrossDomainMessenger is IL2CrossDomainMessenger {
+    /*************
+     * Variables *
+     *************/
+
+    mapping(bytes32 => bool) public relayedMessages;
+    mapping(bytes32 => bool) public successfulMessages;
+    mapping(bytes32 => bool) public sentMessages;
+    uint256 public messageNonce;
+    address internal xDomainMsgSender = Lib_DefaultValues.DEFAULT_XDOMAIN_SENDER;
+    address public l1CrossDomainMessenger;
+
+    /***************
+     * Constructor *
+     ***************/
+
+    /**
+     * @param _l1CrossDomainMessenger Address of the L1 CrossDomainMessenger
+     */
+    constructor(address _l1CrossDomainMessenger) {
+        l1CrossDomainMessenger = _l1CrossDomainMessenger;
+    }
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    // slither-disable-next-line external-function
+    function xDomainMessageSender() public view returns (address) {
+        require(
+            xDomainMsgSender != Lib_DefaultValues.DEFAULT_XDOMAIN_SENDER,
+            "xDomainMessageSender is not set"
+        );
+        return xDomainMsgSender;
+    }
+
+    /**
+     * Sends a cross domain message to the target messenger.
+     * @param _target Target contract address.
+     * @param _message Message to send to the target.
+     * @param _gasLimit Gas limit for the provided message.
+     */
+    // slither-disable-next-line external-function
+    function sendMessage(
+        address _target,
+        bytes memory _message,
+        uint32 _gasLimit
+    ) public {
+        bytes memory xDomainCalldata = Lib_CrossDomainUtils.encodeXDomainCalldata(
+            _target,
+            msg.sender,
+            _message,
+            messageNonce
+        );
+
+        sentMessages[keccak256(xDomainCalldata)] = true;
+
+        // Actually send the message.
+        // slither-disable-next-line reentrancy-no-eth, reentrancy-events
+        iOVM_L2ToL1MessagePasser(Lib_PredeployAddresses.L2_TO_L1_MESSAGE_PASSER).passMessageToL1(
+            xDomainCalldata
+        );
+
+        // Emit an event before we bump the nonce or the nonce will be off by one.
+        // slither-disable-next-line reentrancy-events
+        emit SentMessage(_target, msg.sender, _message, messageNonce, _gasLimit);
+        // slither-disable-next-line reentrancy-no-eth
+        messageNonce += 1;
+    }
+
+    /**
+     * Relays a cross domain message to a contract.
+     * @inheritdoc IL2CrossDomainMessenger
+     */
+    // slither-disable-next-line external-function
+    function relayMessage(
+        address _target,
+        address _sender,
+        bytes memory _message,
+        uint256 _messageNonce
+    ) public {
+        // Since it is impossible to deploy a contract to an address on L2 which matches
+        // the alias of the L1CrossDomainMessenger, this check can only pass when it is called in
+        // the first call from of a deposit transaction. Thus reentrancy is prevented here.
+        require(
+            AddressAliasHelper.undoL1ToL2Alias(msg.sender) == l1CrossDomainMessenger,
+            "Provided message could not be verified."
+        );
+
+        bytes memory xDomainCalldata = Lib_CrossDomainUtils.encodeXDomainCalldata(
+            _target,
+            _sender,
+            _message,
+            _messageNonce
+        );
+
+        bytes32 xDomainCalldataHash = keccak256(xDomainCalldata);
+
+        require(
+            successfulMessages[xDomainCalldataHash] == false,
+            "Provided message has already been received."
+        );
+
+        // Prevent calls to OVM_L2ToL1MessagePasser, which would enable
+        // an attacker to maliciously craft the _message to spoof
+        // a call from any L2 account.
+        if (_target == Lib_PredeployAddresses.L2_TO_L1_MESSAGE_PASSER) {
+            // Write to the successfulMessages mapping and return immediately.
+            successfulMessages[xDomainCalldataHash] = true;
+            return;
+        }
+
+        xDomainMsgSender = _sender;
+        // slither-disable-next-line reentrancy-no-eth, reentrancy-events, reentrancy-benign
+        (bool success, ) = _target.call(_message);
+        // slither-disable-next-line reentrancy-benign
+        xDomainMsgSender = Lib_DefaultValues.DEFAULT_XDOMAIN_SENDER;
+
+        // Mark the message as received if the call was successful. Ensures that a message can be
+        // relayed multiple times in the case that the call reverted.
+        if (success == true) {
+            // slither-disable-next-line reentrancy-no-eth
+            successfulMessages[xDomainCalldataHash] = true;
+            // slither-disable-next-line reentrancy-events
+            emit RelayedMessage(xDomainCalldataHash);
+        } else {
+            // slither-disable-next-line reentrancy-events
+            emit FailedRelayedMessage(xDomainCalldataHash);
+        }
+
+        // Store an identifier that can be used to prove that the given message was relayed by some
+        // user. Gives us an easy way to pay relayers for their work.
+        bytes32 relayId = keccak256(abi.encodePacked(xDomainCalldata, msg.sender, block.number));
+
+        // slither-disable-next-line reentrancy-benign
+        relayedMessages[relayId] = true;
+    }
+}
diff --git a/packages/contracts/L2/messaging/L2StandardBridge.sol b/packages/contracts/L2/messaging/L2StandardBridge.sol
new file mode 100644
index 0000000000000..da4e15daf1a67
--- /dev/null
+++ b/packages/contracts/L2/messaging/L2StandardBridge.sol
@@ -0,0 +1,188 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Interface Imports */
+import { IL1StandardBridge } from "../../L1/messaging/IL1StandardBridge.sol";
+import { IL1ERC20Bridge } from "../../L1/messaging/IL1ERC20Bridge.sol";
+import { IL2ERC20Bridge } from "./IL2ERC20Bridge.sol";
+
+/* Library Imports */
+import { ERC165Checker } from "@openzeppelin/contracts/utils/introspection/ERC165Checker.sol";
+import { CrossDomainEnabled } from "../../libraries/bridge/CrossDomainEnabled.sol";
+import { Lib_PredeployAddresses } from "../../libraries/constants/Lib_PredeployAddresses.sol";
+
+/* Contract Imports */
+import { IL2StandardERC20 } from "../../standards/IL2StandardERC20.sol";
+
+/**
+ * @title L2StandardBridge
+ * @dev The L2 Standard bridge is a contract which works together with the L1 Standard bridge to
+ * enable ETH and ERC20 transitions between L1 and L2.
+ * This contract acts as a minter for new tokens when it hears about deposits into the L1 Standard
+ * bridge.
+ * This contract also acts as a burner of the tokens intended for withdrawal, informing the L1
+ * bridge to release L1 funds.
+ */
+contract L2StandardBridge is IL2ERC20Bridge, CrossDomainEnabled {
+    /********************************
+     * External Contract References *
+     ********************************/
+
+    address public l1TokenBridge;
+
+    /***************
+     * Constructor *
+     ***************/
+
+    /**
+     * @param _l2CrossDomainMessenger Cross-domain messenger used by this contract.
+     * @param _l1TokenBridge Address of the L1 bridge deployed to the main chain.
+     */
+    constructor(address _l2CrossDomainMessenger, address _l1TokenBridge)
+        CrossDomainEnabled(_l2CrossDomainMessenger)
+    {
+        l1TokenBridge = _l1TokenBridge;
+    }
+
+    /***************
+     * Withdrawing *
+     ***************/
+
+    /**
+     * @inheritdoc IL2ERC20Bridge
+     */
+    function withdraw(
+        address _l2Token,
+        uint256 _amount,
+        uint32 _l1Gas,
+        bytes calldata _data
+    ) external virtual {
+        _initiateWithdrawal(_l2Token, msg.sender, msg.sender, _amount, _l1Gas, _data);
+    }
+
+    /**
+     * @inheritdoc IL2ERC20Bridge
+     */
+    function withdrawTo(
+        address _l2Token,
+        address _to,
+        uint256 _amount,
+        uint32 _l1Gas,
+        bytes calldata _data
+    ) external virtual {
+        _initiateWithdrawal(_l2Token, msg.sender, _to, _amount, _l1Gas, _data);
+    }
+
+    /**
+     * @dev Performs the logic for withdrawals by burning the token and informing
+     *      the L1 token Gateway of the withdrawal.
+     * @param _l2Token Address of L2 token where withdrawal is initiated.
+     * @param _from Account to pull the withdrawal from on L2.
+     * @param _to Account to give the withdrawal to on L1.
+     * @param _amount Amount of the token to withdraw.
+     * @param _l1Gas Unused, but included for potential forward compatibility considerations.
+     * @param _data Optional data to forward to L1. This data is provided
+     *        solely as a convenience for external contracts. Aside from enforcing a maximum
+     *        length, these contracts provide no guarantees about its content.
+     */
+    function _initiateWithdrawal(
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256 _amount,
+        uint32 _l1Gas,
+        bytes calldata _data
+    ) internal {
+        // When a withdrawal is initiated, we burn the withdrawer's funds to prevent subsequent L2
+        // usage
+        // slither-disable-next-line reentrancy-events
+        IL2StandardERC20(_l2Token).burn(msg.sender, _amount);
+
+        // Construct calldata for l1TokenBridge.finalizeERC20Withdrawal(_to, _amount)
+        // slither-disable-next-line reentrancy-events
+        address l1Token = IL2StandardERC20(_l2Token).l1Token();
+        bytes memory message;
+
+        if (_l2Token == Lib_PredeployAddresses.OVM_ETH) {
+            message = abi.encodeWithSelector(
+                IL1StandardBridge.finalizeETHWithdrawal.selector,
+                _from,
+                _to,
+                _amount,
+                _data
+            );
+        } else {
+            message = abi.encodeWithSelector(
+                IL1ERC20Bridge.finalizeERC20Withdrawal.selector,
+                l1Token,
+                _l2Token,
+                _from,
+                _to,
+                _amount,
+                _data
+            );
+        }
+
+        // Send message up to L1 bridge
+        // slither-disable-next-line reentrancy-events
+        sendCrossDomainMessage(l1TokenBridge, _l1Gas, message);
+
+        // slither-disable-next-line reentrancy-events
+        emit WithdrawalInitiated(l1Token, _l2Token, msg.sender, _to, _amount, _data);
+    }
+
+    /************************************
+     * Cross-chain Function: Depositing *
+     ************************************/
+
+    /**
+     * @inheritdoc IL2ERC20Bridge
+     */
+    function finalizeDeposit(
+        address _l1Token,
+        address _l2Token,
+        address _from,
+        address _to,
+        uint256 _amount,
+        bytes calldata _data
+    ) external virtual onlyFromCrossDomainAccount(l1TokenBridge) {
+        // Check the target token is compliant and
+        // verify the deposited token on L1 matches the L2 deposited token representation here
+        if (
+            // slither-disable-next-line reentrancy-events
+            ERC165Checker.supportsInterface(_l2Token, 0x1d1d8b63) &&
+            _l1Token == IL2StandardERC20(_l2Token).l1Token()
+        ) {
+            // When a deposit is finalized, we credit the account on L2 with the same amount of
+            // tokens.
+            // slither-disable-next-line reentrancy-events
+            IL2StandardERC20(_l2Token).mint(_to, _amount);
+            // slither-disable-next-line reentrancy-events
+            emit DepositFinalized(_l1Token, _l2Token, _from, _to, _amount, _data);
+        } else {
+            // Either the L2 token which is being deposited-into disagrees about the correct address
+            // of its L1 token, or does not support the correct interface.
+            // This should only happen if there is a  malicious L2 token, or if a user somehow
+            // specified the wrong L2 token address to deposit into.
+            // In either case, we stop the process here and construct a withdrawal
+            // message so that users can get their funds out in some cases.
+            // There is no way to prevent malicious token contracts altogether, but this does limit
+            // user error and mitigate some forms of malicious contract behavior.
+            bytes memory message = abi.encodeWithSelector(
+                IL1ERC20Bridge.finalizeERC20Withdrawal.selector,
+                _l1Token,
+                _l2Token,
+                _to, // switched the _to and _from here to bounce back the deposit to the sender
+                _from,
+                _amount,
+                _data
+            );
+
+            // Send message up to L1 bridge
+            // slither-disable-next-line reentrancy-events
+            sendCrossDomainMessage(l1TokenBridge, 0, message);
+            // slither-disable-next-line reentrancy-events
+            emit DepositFailed(_l1Token, _l2Token, _from, _to, _amount, _data);
+        }
+    }
+}
diff --git a/packages/contracts/L2/messaging/L2StandardTokenFactory.sol b/packages/contracts/L2/messaging/L2StandardTokenFactory.sol
new file mode 100644
index 0000000000000..edaf2ebffb940
--- /dev/null
+++ b/packages/contracts/L2/messaging/L2StandardTokenFactory.sol
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Contract Imports */
+import { L2StandardERC20 } from "../../standards/L2StandardERC20.sol";
+import { Lib_PredeployAddresses } from "../../libraries/constants/Lib_PredeployAddresses.sol";
+
+/**
+ * @title L2StandardTokenFactory
+ * @dev Factory contract for creating standard L2 token representations of L1 ERC20s
+ * compatible with and working on the standard bridge.
+ */
+contract L2StandardTokenFactory {
+    event StandardL2TokenCreated(address indexed _l1Token, address indexed _l2Token);
+
+    /**
+     * @dev Creates an instance of the standard ERC20 token on L2.
+     * @param _l1Token Address of the corresponding L1 token.
+     * @param _name ERC20 name.
+     * @param _symbol ERC20 symbol.
+     */
+    function createStandardL2Token(
+        address _l1Token,
+        string memory _name,
+        string memory _symbol
+    ) external {
+        require(_l1Token != address(0), "Must provide L1 token address");
+
+        L2StandardERC20 l2Token = new L2StandardERC20(
+            Lib_PredeployAddresses.L2_STANDARD_BRIDGE,
+            _l1Token,
+            _name,
+            _symbol
+        );
+
+        emit StandardL2TokenCreated(_l1Token, address(l2Token));
+    }
+}
diff --git a/packages/contracts/L2/predeploys/OVM_DeployerWhitelist.sol b/packages/contracts/L2/predeploys/OVM_DeployerWhitelist.sol
new file mode 100644
index 0000000000000..a7a07c1183b1d
--- /dev/null
+++ b/packages/contracts/L2/predeploys/OVM_DeployerWhitelist.sol
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/**
+ * @title OVM_DeployerWhitelist
+ * @dev The Deployer Whitelist is a temporary predeploy used to provide additional safety during the
+ * initial phases of our mainnet roll out. It is owned by the Optimism team, and defines accounts
+ * which are allowed to deploy contracts on Layer2. The Execution Manager will only allow an
+ * ovmCREATE or ovmCREATE2 operation to proceed if the deployer's address whitelisted.
+ */
+contract OVM_DeployerWhitelist {
+    /**********
+     * Events *
+     **********/
+
+    event OwnerChanged(address oldOwner, address newOwner);
+    event WhitelistStatusChanged(address deployer, bool whitelisted);
+    event WhitelistDisabled(address oldOwner);
+
+    /**********************
+     * Contract Constants *
+     **********************/
+
+    // WARNING: When owner is set to address(0), the whitelist is disabled.
+    address public owner;
+    mapping(address => bool) public whitelist;
+
+    /**********************
+     * Function Modifiers *
+     **********************/
+
+    /**
+     * Blocks functions to anyone except the contract owner.
+     */
+    modifier onlyOwner() {
+        require(msg.sender == owner, "Function can only be called by the owner of this contract.");
+        _;
+    }
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * Adds or removes an address from the deployment whitelist.
+     * @param _deployer Address to update permissions for.
+     * @param _isWhitelisted Whether or not the address is whitelisted.
+     */
+    function setWhitelistedDeployer(address _deployer, bool _isWhitelisted) external onlyOwner {
+        whitelist[_deployer] = _isWhitelisted;
+        emit WhitelistStatusChanged(_deployer, _isWhitelisted);
+    }
+
+    /**
+     * Updates the owner of this contract.
+     * @param _owner Address of the new owner.
+     */
+    // slither-disable-next-line external-function
+    function setOwner(address _owner) public onlyOwner {
+        // Prevent users from setting the whitelist owner to address(0) except via
+        // enableArbitraryContractDeployment. If you want to burn the whitelist owner, send it to
+        // any other address that doesn't have a corresponding knowable private key.
+        require(
+            _owner != address(0),
+            "OVM_DeployerWhitelist: can only be disabled via enableArbitraryContractDeployment"
+        );
+
+        emit OwnerChanged(owner, _owner);
+        owner = _owner;
+    }
+
+    /**
+     * Permanently enables arbitrary contract deployment and deletes the owner.
+     */
+    function enableArbitraryContractDeployment() external onlyOwner {
+        emit WhitelistDisabled(owner);
+        owner = address(0);
+    }
+
+    /**
+     * Checks whether an address is allowed to deploy contracts.
+     * @param _deployer Address to check.
+     * @return _allowed Whether or not the address can deploy contracts.
+     */
+    function isDeployerAllowed(address _deployer) external view returns (bool) {
+        return (owner == address(0) || whitelist[_deployer]);
+    }
+}
diff --git a/packages/contracts/L2/predeploys/OVM_ETH.sol b/packages/contracts/L2/predeploys/OVM_ETH.sol
new file mode 100644
index 0000000000000..5265745037580
--- /dev/null
+++ b/packages/contracts/L2/predeploys/OVM_ETH.sol
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Library Imports */
+import { Lib_PredeployAddresses } from "../../libraries/constants/Lib_PredeployAddresses.sol";
+
+/* Contract Imports */
+import { L2StandardERC20 } from "../../standards/L2StandardERC20.sol";
+
+/**
+ * @title OVM_ETH
+ * @dev The ETH predeploy provides an ERC20 interface for ETH deposited to Layer 2. Note that
+ * unlike on Layer 1, Layer 2 accounts do not have a balance field.
+ */
+contract OVM_ETH is L2StandardERC20 {
+    /***************
+     * Constructor *
+     ***************/
+
+    constructor()
+        L2StandardERC20(Lib_PredeployAddresses.L2_STANDARD_BRIDGE, address(0), "Ether", "ETH")
+    {}
+
+    // ETH ERC20 features are disabled until further notice.
+    // Discussion here: https://github.com/ethereum-optimism/optimism/discussions/1444
+
+    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
+        revert("OVM_ETH: transfer is disabled pending further community discussion.");
+    }
+
+    function approve(address spender, uint256 amount) public virtual override returns (bool) {
+        revert("OVM_ETH: approve is disabled pending further community discussion.");
+    }
+
+    function transferFrom(
+        address sender,
+        address recipient,
+        uint256 amount
+    ) public virtual override returns (bool) {
+        revert("OVM_ETH: transferFrom is disabled pending further community discussion.");
+    }
+
+    function increaseAllowance(address spender, uint256 addedValue)
+        public
+        virtual
+        override
+        returns (bool)
+    {
+        revert("OVM_ETH: increaseAllowance is disabled pending further community discussion.");
+    }
+
+    function decreaseAllowance(address spender, uint256 subtractedValue)
+        public
+        virtual
+        override
+        returns (bool)
+    {
+        revert("OVM_ETH: decreaseAllowance is disabled pending further community discussion.");
+    }
+}
diff --git a/packages/contracts/L2/predeploys/OVM_GasPriceOracle.sol b/packages/contracts/L2/predeploys/OVM_GasPriceOracle.sol
new file mode 100644
index 0000000000000..69f83e0591a84
--- /dev/null
+++ b/packages/contracts/L2/predeploys/OVM_GasPriceOracle.sol
@@ -0,0 +1,162 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* External Imports */
+import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
+
+/**
+ * @title OVM_GasPriceOracle
+ * @dev This contract exposes the current l2 gas price, a measure of how congested the network
+ * currently is. This measure is used by the Sequencer to determine what fee to charge for
+ * transactions. When the system is more congested, the l2 gas price will increase and fees
+ * will also increase as a result.
+ *
+ * All public variables are set while generating the initial L2 state. The
+ * constructor doesn't run in practice as the L2 state generation script uses
+ * the deployed bytecode instead of running the initcode.
+ */
+contract OVM_GasPriceOracle is Ownable {
+    /*************
+     * Variables *
+     *************/
+
+    // Current L2 gas price
+    uint256 public gasPrice;
+    // Current L1 base fee
+    uint256 public l1BaseFee;
+    // Amortized cost of batch submission per transaction
+    uint256 public overhead;
+    // Value to scale the fee up by
+    uint256 public scalar;
+    // Number of decimals of the scalar
+    uint256 public decimals;
+
+    /***************
+     * Constructor *
+     ***************/
+
+    /**
+     * @param _owner Address that will initially own this contract.
+     */
+    constructor(address _owner) Ownable() {
+        transferOwnership(_owner);
+    }
+
+    /**********
+     * Events *
+     **********/
+
+    event GasPriceUpdated(uint256);
+    event L1BaseFeeUpdated(uint256);
+    event OverheadUpdated(uint256);
+    event ScalarUpdated(uint256);
+    event DecimalsUpdated(uint256);
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * Allows the owner to modify the l2 gas price.
+     * @param _gasPrice New l2 gas price.
+     */
+    // slither-disable-next-line external-function
+    function setGasPrice(uint256 _gasPrice) public onlyOwner {
+        gasPrice = _gasPrice;
+        emit GasPriceUpdated(_gasPrice);
+    }
+
+    /**
+     * Allows the owner to modify the l1 base fee.
+     * @param _baseFee New l1 base fee
+     */
+    // slither-disable-next-line external-function
+    function setL1BaseFee(uint256 _baseFee) public onlyOwner {
+        l1BaseFee = _baseFee;
+        emit L1BaseFeeUpdated(_baseFee);
+    }
+
+    /**
+     * Allows the owner to modify the overhead.
+     * @param _overhead New overhead
+     */
+    // slither-disable-next-line external-function
+    function setOverhead(uint256 _overhead) public onlyOwner {
+        overhead = _overhead;
+        emit OverheadUpdated(_overhead);
+    }
+
+    /**
+     * Allows the owner to modify the scalar.
+     * @param _scalar New scalar
+     */
+    // slither-disable-next-line external-function
+    function setScalar(uint256 _scalar) public onlyOwner {
+        scalar = _scalar;
+        emit ScalarUpdated(_scalar);
+    }
+
+    /**
+     * Allows the owner to modify the decimals.
+     * @param _decimals New decimals
+     */
+    // slither-disable-next-line external-function
+    function setDecimals(uint256 _decimals) public onlyOwner {
+        decimals = _decimals;
+        emit DecimalsUpdated(_decimals);
+    }
+
+    /**
+     * Computes the L1 portion of the fee
+     * based on the size of the RLP encoded tx
+     * and the current l1BaseFee
+     * @param _data Unsigned RLP encoded tx, 6 elements
+     * @return L1 fee that should be paid for the tx
+     */
+    // slither-disable-next-line external-function
+    function getL1Fee(bytes memory _data) public view returns (uint256) {
+        uint256 l1GasUsed = getL1GasUsed(_data);
+        uint256 l1Fee = l1GasUsed * l1BaseFee;
+        uint256 divisor = 10**decimals;
+        uint256 unscaled = l1Fee * scalar;
+        uint256 scaled = unscaled / divisor;
+        return scaled;
+    }
+
+    // solhint-disable max-line-length
+    /**
+     * Computes the amount of L1 gas used for a transaction
+     * The overhead represents the per batch gas overhead of
+     * posting both transaction and state roots to L1 given larger
+     * batch sizes.
+     * 4 gas for 0 byte
+     * https://github.com/ethereum/go-ethereum/blob/9ada4a2e2c415e6b0b51c50e901336872e028872/params/protocol_params.go#L33
+     * 16 gas for non zero byte
+     * https://github.com/ethereum/go-ethereum/blob/9ada4a2e2c415e6b0b51c50e901336872e028872/params/protocol_params.go#L87
+     * This will need to be updated if calldata gas prices change
+     * Account for the transaction being unsigned
+     * Padding is added to account for lack of signature on transaction
+     * 1 byte for RLP V prefix
+     * 1 byte for V
+     * 1 byte for RLP R prefix
+     * 32 bytes for R
+     * 1 byte for RLP S prefix
+     * 32 bytes for S
+     * Total: 68 bytes of padding
+     * @param _data Unsigned RLP encoded tx, 6 elements
+     * @return Amount of L1 gas used for a transaction
+     */
+    // solhint-enable max-line-length
+    function getL1GasUsed(bytes memory _data) public view returns (uint256) {
+        uint256 total = 0;
+        for (uint256 i = 0; i < _data.length; i++) {
+            if (_data[i] == 0) {
+                total += 4;
+            } else {
+                total += 16;
+            }
+        }
+        uint256 unsigned = total + overhead;
+        return unsigned + (68 * 16);
+    }
+}
diff --git a/packages/contracts/L2/predeploys/OVM_L2ToL1MessagePasser.sol b/packages/contracts/L2/predeploys/OVM_L2ToL1MessagePasser.sol
new file mode 100644
index 0000000000000..4727a06da781c
--- /dev/null
+++ b/packages/contracts/L2/predeploys/OVM_L2ToL1MessagePasser.sol
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Interface Imports */
+import { iOVM_L2ToL1MessagePasser } from "./iOVM_L2ToL1MessagePasser.sol";
+
+/**
+ * @title OVM_L2ToL1MessagePasser
+ * @dev The L2 to L1 Message Passer is a utility contract which facilitate an L1 proof of the
+ * of a message on L2. The L1 Cross Domain Messenger performs this proof in its
+ * _verifyStorageProof function, which verifies the existence of the transaction hash in this
+ * contract's `sentMessages` mapping.
+ */
+contract OVM_L2ToL1MessagePasser is iOVM_L2ToL1MessagePasser {
+    /**********************
+     * Contract Variables *
+     **********************/
+
+    mapping(bytes32 => bool) public sentMessages;
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * @inheritdoc iOVM_L2ToL1MessagePasser
+     */
+    // slither-disable-next-line external-function
+    function passMessageToL1(bytes memory _message) public {
+        // Note: although this function is public, only messages sent from the
+        // L2CrossDomainMessenger will be relayed by the L1CrossDomainMessenger.
+        // This is enforced by a check in L1CrossDomainMessenger._verifyStorageProof().
+        sentMessages[keccak256(abi.encodePacked(_message, msg.sender))] = true;
+    }
+}
diff --git a/packages/contracts/L2/predeploys/OVM_SequencerFeeVault.sol b/packages/contracts/L2/predeploys/OVM_SequencerFeeVault.sol
new file mode 100644
index 0000000000000..ce61a8dab4a41
--- /dev/null
+++ b/packages/contracts/L2/predeploys/OVM_SequencerFeeVault.sol
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Library Imports */
+import { Lib_PredeployAddresses } from "../../libraries/constants/Lib_PredeployAddresses.sol";
+
+/* Contract Imports */
+import { L2StandardBridge } from "../messaging/L2StandardBridge.sol";
+
+/**
+ * @title OVM_SequencerFeeVault
+ * @dev Simple holding contract for fees paid to the Sequencer. Likely to be replaced in the future
+ * but "good enough for now".
+ */
+contract OVM_SequencerFeeVault {
+    /*************
+     * Constants *
+     *************/
+
+    // Minimum ETH balance that can be withdrawn in a single withdrawal.
+    uint256 public constant MIN_WITHDRAWAL_AMOUNT = 15 ether;
+
+    /*************
+     * Variables *
+     *************/
+
+    // Address on L1 that will hold the fees once withdrawn. Dynamically initialized within l2geth.
+    address public l1FeeWallet;
+
+    /***************
+     * Constructor *
+     ***************/
+
+    /**
+     * @param _l1FeeWallet Initial address for the L1 wallet that will hold fees once withdrawn.
+     * Currently HAS NO EFFECT in production because l2geth will mutate this storage slot during
+     * the genesis block. This is ONLY for testing purposes.
+     */
+    constructor(address _l1FeeWallet) {
+        l1FeeWallet = _l1FeeWallet;
+    }
+
+    /************
+     * Fallback *
+     ************/
+
+    // slither-disable-next-line locked-ether
+    receive() external payable {}
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    // slither-disable-next-line external-function
+    function withdraw() public {
+        require(
+            address(this).balance >= MIN_WITHDRAWAL_AMOUNT,
+            // solhint-disable-next-line max-line-length
+            "OVM_SequencerFeeVault: withdrawal amount must be greater than minimum withdrawal amount"
+        );
+
+        L2StandardBridge(Lib_PredeployAddresses.L2_STANDARD_BRIDGE).withdrawTo(
+            Lib_PredeployAddresses.OVM_ETH,
+            l1FeeWallet,
+            address(this).balance,
+            0,
+            bytes("")
+        );
+    }
+}
diff --git a/packages/contracts/L2/predeploys/WETH9.sol b/packages/contracts/L2/predeploys/WETH9.sol
new file mode 100644
index 0000000000000..7bb4ab4dde576
--- /dev/null
+++ b/packages/contracts/L2/predeploys/WETH9.sol
@@ -0,0 +1,756 @@
+// Copyright (C) 2015, 2016, 2017 Dapphub
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+pragma solidity >=0.4.22 <0.6;
+
+contract WETH9 {
+    string public name     = "Wrapped Ether";
+    string public symbol   = "WETH";
+    uint8  public decimals = 18;
+
+    event  Approval(address indexed src, address indexed guy, uint wad);
+    event  Transfer(address indexed src, address indexed dst, uint wad);
+    event  Deposit(address indexed dst, uint wad);
+    event  Withdrawal(address indexed src, uint wad);
+
+    mapping (address => uint)                       public  balanceOf;
+    mapping (address => mapping (address => uint))  public  allowance;
+
+    function() external payable {
+        deposit();
+    }
+    function deposit() public payable {
+        balanceOf[msg.sender] += msg.value;
+        emit Deposit(msg.sender, msg.value);
+    }
+    function withdraw(uint wad) public {
+        require(balanceOf[msg.sender] >= wad);
+        balanceOf[msg.sender] -= wad;
+        msg.sender.transfer(wad);
+        emit Withdrawal(msg.sender, wad);
+    }
+
+    function totalSupply() public view returns (uint) {
+        return address(this).balance;
+    }
+
+    function approve(address guy, uint wad) public returns (bool) {
+        allowance[msg.sender][guy] = wad;
+        emit Approval(msg.sender, guy, wad);
+        return true;
+    }
+
+    function transfer(address dst, uint wad) public returns (bool) {
+        return transferFrom(msg.sender, dst, wad);
+    }
+
+    function transferFrom(address src, address dst, uint wad)
+        public
+        returns (bool)
+    {
+        require(balanceOf[src] >= wad);
+
+        if (src != msg.sender && allowance[src][msg.sender] != uint(-1)) {
+            require(allowance[src][msg.sender] >= wad);
+            allowance[src][msg.sender] -= wad;
+        }
+
+        balanceOf[src] -= wad;
+        balanceOf[dst] += wad;
+
+        emit Transfer(src, dst, wad);
+
+        return true;
+    }
+}
+
+
+/*
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
+
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+the GNU General Public License is intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.  We, the Free Software Foundation, use the
+GNU General Public License for most of our software; it applies also to
+any other work released this way by its authors.  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+  To protect your rights, we need to prevent others from denying you
+these rights or asking you to surrender the rights.  Therefore, you have
+certain responsibilities if you distribute copies of the software, or if
+you modify it: responsibilities to respect the freedom of others.
+
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+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
+
+*/
diff --git a/packages/contracts/L2/predeploys/iOVM_L1BlockNumber.sol b/packages/contracts/L2/predeploys/iOVM_L1BlockNumber.sol
new file mode 100644
index 0000000000000..76c956d9226e2
--- /dev/null
+++ b/packages/contracts/L2/predeploys/iOVM_L1BlockNumber.sol
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/**
+ * @title iOVM_L1BlockNumber
+ */
+interface iOVM_L1BlockNumber {
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * @return Block number of L1
+     */
+    function getL1BlockNumber() external view returns (uint256);
+}
diff --git a/packages/contracts/L2/predeploys/iOVM_L2ToL1MessagePasser.sol b/packages/contracts/L2/predeploys/iOVM_L2ToL1MessagePasser.sol
new file mode 100644
index 0000000000000..1f799f2175cfb
--- /dev/null
+++ b/packages/contracts/L2/predeploys/iOVM_L2ToL1MessagePasser.sol
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/**
+ * @title iOVM_L2ToL1MessagePasser
+ */
+interface iOVM_L2ToL1MessagePasser {
+    /**********
+     * Events *
+     **********/
+
+    event L2ToL1Message(uint256 _nonce, address _sender, bytes _data);
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * Passes a message to L1.
+     * @param _message Message to pass to L1.
+     */
+    function passMessageToL1(bytes calldata _message) external;
+}
diff --git a/packages/contracts/chugsplash/L1ChugSplashProxy.sol b/packages/contracts/chugsplash/L1ChugSplashProxy.sol
new file mode 100644
index 0000000000000..58e8e53be30db
--- /dev/null
+++ b/packages/contracts/chugsplash/L1ChugSplashProxy.sol
@@ -0,0 +1,285 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+import { iL1ChugSplashDeployer } from "./interfaces/iL1ChugSplashDeployer.sol";
+
+/**
+ * @title L1ChugSplashProxy
+ * @dev Basic ChugSplash proxy contract for L1. Very close to being a normal proxy but has added
+ * functions `setCode` and `setStorage` for changing the code or storage of the contract. Nifty!
+ *
+ * Note for future developers: do NOT make anything in this contract 'public' unless you know what
+ * you're doing. Anything public can potentially have a function signature that conflicts with a
+ * signature attached to the implementation contract. Public functions SHOULD always have the
+ * 'proxyCallIfNotOwner' modifier unless there's some *really* good reason not to have that
+ * modifier. And there almost certainly is not a good reason to not have that modifier. Beware!
+ */
+contract L1ChugSplashProxy {
+    /*************
+     * Constants *
+     *************/
+
+    // "Magic" prefix. When prepended to some arbitrary bytecode and used to create a contract, the
+    // appended bytecode will be deployed as given.
+    bytes13 internal constant DEPLOY_CODE_PREFIX = 0x600D380380600D6000396000f3;
+
+    // bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1)
+    bytes32 internal constant IMPLEMENTATION_KEY =
+        0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
+
+    // bytes32(uint256(keccak256('eip1967.proxy.admin')) - 1)
+    bytes32 internal constant OWNER_KEY =
+        0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;
+
+    /***************
+     * Constructor *
+     ***************/
+
+    /**
+     * @param _owner Address of the initial contract owner.
+     */
+    constructor(address _owner) {
+        _setOwner(_owner);
+    }
+
+    /**********************
+     * Function Modifiers *
+     **********************/
+
+    /**
+     * Blocks a function from being called when the parent signals that the system should be paused
+     * via an isUpgrading function.
+     */
+    modifier onlyWhenNotPaused() {
+        address owner = _getOwner();
+
+        // We do a low-level call because there's no guarantee that the owner actually *is* an
+        // L1ChugSplashDeployer contract and Solidity will throw errors if we do a normal call and
+        // it turns out that it isn't the right type of contract.
+        (bool success, bytes memory returndata) = owner.staticcall(
+            abi.encodeWithSelector(iL1ChugSplashDeployer.isUpgrading.selector)
+        );
+
+        // If the call was unsuccessful then we assume that there's no "isUpgrading" method and we
+        // can just continue as normal. We also expect that the return value is exactly 32 bytes
+        // long. If this isn't the case then we can safely ignore the result.
+        if (success && returndata.length == 32) {
+            // Although the expected value is a *boolean*, it's safer to decode as a uint256 in the
+            // case that the isUpgrading function returned something other than 0 or 1. But we only
+            // really care about the case where this value is 0 (= false).
+            uint256 ret = abi.decode(returndata, (uint256));
+            require(ret == 0, "L1ChugSplashProxy: system is currently being upgraded");
+        }
+
+        _;
+    }
+
+    /**
+     * Makes a proxy call instead of triggering the given function when the caller is either the
+     * owner or the zero address. Caller can only ever be the zero address if this function is
+     * being called off-chain via eth_call, which is totally fine and can be convenient for
+     * client-side tooling. Avoids situations where the proxy and implementation share a sighash
+     * and the proxy function ends up being called instead of the implementation one.
+     *
+     * Note: msg.sender == address(0) can ONLY be triggered off-chain via eth_call. If there's a
+     * way for someone to send a transaction with msg.sender == address(0) in any real context then
+     * we have much bigger problems. Primary reason to include this additional allowed sender is
+     * because the owner address can be changed dynamically and we do not want clients to have to
+     * keep track of the current owner in order to make an eth_call that doesn't trigger the
+     * proxied contract.
+     */
+    // slither-disable-next-line incorrect-modifier
+    modifier proxyCallIfNotOwner() {
+        if (msg.sender == _getOwner() || msg.sender == address(0)) {
+            _;
+        } else {
+            // This WILL halt the call frame on completion.
+            _doProxyCall();
+        }
+    }
+
+    /*********************
+     * Fallback Function *
+     *********************/
+
+    // slither-disable-next-line locked-ether
+    fallback() external payable {
+        // Proxy call by default.
+        _doProxyCall();
+    }
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * Sets the code that should be running behind this proxy. Note that this scheme is a bit
+     * different from the standard proxy scheme where one would typically deploy the code
+     * separately and then set the implementation address. We're doing it this way because it gives
+     * us a lot more freedom on the client side. Can only be triggered by the contract owner.
+     * @param _code New contract code to run inside this contract.
+     */
+    // slither-disable-next-line external-function
+    function setCode(bytes memory _code) public proxyCallIfNotOwner {
+        // Get the code hash of the current implementation.
+        address implementation = _getImplementation();
+
+        // If the code hash matches the new implementation then we return early.
+        if (keccak256(_code) == _getAccountCodeHash(implementation)) {
+            return;
+        }
+
+        // Create the deploycode by appending the magic prefix.
+        bytes memory deploycode = abi.encodePacked(DEPLOY_CODE_PREFIX, _code);
+
+        // Deploy the code and set the new implementation address.
+        address newImplementation;
+        assembly {
+            newImplementation := create(0x0, add(deploycode, 0x20), mload(deploycode))
+        }
+
+        // Check that the code was actually deployed correctly. I'm not sure if you can ever
+        // actually fail this check. Should only happen if the contract creation from above runs
+        // out of gas but this parent execution thread does NOT run out of gas. Seems like we
+        // should be doing this check anyway though.
+        require(
+            _getAccountCodeHash(newImplementation) == keccak256(_code),
+            "L1ChugSplashProxy: code was not correctly deployed."
+        );
+
+        _setImplementation(newImplementation);
+    }
+
+    /**
+     * Modifies some storage slot within the proxy contract. Gives us a lot of power to perform
+     * upgrades in a more transparent way. Only callable by the owner.
+     * @param _key Storage key to modify.
+     * @param _value New value for the storage key.
+     */
+    // slither-disable-next-line external-function
+    function setStorage(bytes32 _key, bytes32 _value) public proxyCallIfNotOwner {
+        assembly {
+            sstore(_key, _value)
+        }
+    }
+
+    /**
+     * Changes the owner of the proxy contract. Only callable by the owner.
+     * @param _owner New owner of the proxy contract.
+     */
+    // slither-disable-next-line external-function
+    function setOwner(address _owner) public proxyCallIfNotOwner {
+        _setOwner(_owner);
+    }
+
+    /**
+     * Queries the owner of the proxy contract. Can only be called by the owner OR by making an
+     * eth_call and setting the "from" address to address(0).
+     * @return Owner address.
+     */
+    // slither-disable-next-line external-function
+    function getOwner() public proxyCallIfNotOwner returns (address) {
+        return _getOwner();
+    }
+
+    /**
+     * Queries the implementation address. Can only be called by the owner OR by making an
+     * eth_call and setting the "from" address to address(0).
+     * @return Implementation address.
+     */
+    // slither-disable-next-line external-function
+    function getImplementation() public proxyCallIfNotOwner returns (address) {
+        return _getImplementation();
+    }
+
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /**
+     * Sets the implementation address.
+     * @param _implementation New implementation address.
+     */
+    function _setImplementation(address _implementation) internal {
+        assembly {
+            sstore(IMPLEMENTATION_KEY, _implementation)
+        }
+    }
+
+    /**
+     * Queries the implementation address.
+     * @return Implementation address.
+     */
+    function _getImplementation() internal view returns (address) {
+        address implementation;
+        assembly {
+            implementation := sload(IMPLEMENTATION_KEY)
+        }
+        return implementation;
+    }
+
+    /**
+     * Changes the owner of the proxy contract.
+     * @param _owner New owner of the proxy contract.
+     */
+    function _setOwner(address _owner) internal {
+        assembly {
+            sstore(OWNER_KEY, _owner)
+        }
+    }
+
+    /**
+     * Queries the owner of the proxy contract.
+     * @return Owner address.
+     */
+    function _getOwner() internal view returns (address) {
+        address owner;
+        assembly {
+            owner := sload(OWNER_KEY)
+        }
+        return owner;
+    }
+
+    /**
+     * Gets the code hash for a given account.
+     * @param _account Address of the account to get a code hash for.
+     * @return Code hash for the account.
+     */
+    function _getAccountCodeHash(address _account) internal view returns (bytes32) {
+        bytes32 codeHash;
+        assembly {
+            codeHash := extcodehash(_account)
+        }
+        return codeHash;
+    }
+
+    /**
+     * Performs the proxy call via a delegatecall.
+     */
+    function _doProxyCall() internal onlyWhenNotPaused {
+        address implementation = _getImplementation();
+
+        require(implementation != address(0), "L1ChugSplashProxy: implementation is not set yet");
+
+        assembly {
+            // Copy calldata into memory at 0x0....calldatasize.
+            calldatacopy(0x0, 0x0, calldatasize())
+
+            // Perform the delegatecall, make sure to pass all available gas.
+            let success := delegatecall(gas(), implementation, 0x0, calldatasize(), 0x0, 0x0)
+
+            // Copy returndata into memory at 0x0....returndatasize. Note that this *will*
+            // overwrite the calldata that we just copied into memory but that doesn't really
+            // matter because we'll be returning in a second anyway.
+            returndatacopy(0x0, 0x0, returndatasize())
+
+            // Success == 0 means a revert. We'll revert too and pass the data up.
+            if iszero(success) {
+                revert(0x0, returndatasize())
+            }
+
+            // Otherwise we'll just return and pass the data up.
+            return(0x0, returndatasize())
+        }
+    }
+}
diff --git a/packages/contracts/chugsplash/interfaces/iL1ChugSplashDeployer.sol b/packages/contracts/chugsplash/interfaces/iL1ChugSplashDeployer.sol
new file mode 100644
index 0000000000000..d2724494fcc4d
--- /dev/null
+++ b/packages/contracts/chugsplash/interfaces/iL1ChugSplashDeployer.sol
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/**
+ * @title iL1ChugSplashDeployer
+ */
+interface iL1ChugSplashDeployer {
+    function isUpgrading() external view returns (bool);
+}
diff --git a/packages/contracts/libraries/bridge/CrossDomainEnabled.sol b/packages/contracts/libraries/bridge/CrossDomainEnabled.sol
new file mode 100644
index 0000000000000..28a6566026c22
--- /dev/null
+++ b/packages/contracts/libraries/bridge/CrossDomainEnabled.sol
@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >0.5.0 <0.9.0;
+
+/* Interface Imports */
+import { ICrossDomainMessenger } from "./ICrossDomainMessenger.sol";
+
+/**
+ * @title CrossDomainEnabled
+ * @dev Helper contract for contracts performing cross-domain communications
+ *
+ * Compiler used: defined by inheriting contract
+ */
+contract CrossDomainEnabled {
+    /*************
+     * Variables *
+     *************/
+
+    // Messenger contract used to send and recieve messages from the other domain.
+    address public messenger;
+
+    /***************
+     * Constructor *
+     ***************/
+
+    /**
+     * @param _messenger Address of the CrossDomainMessenger on the current layer.
+     */
+    constructor(address _messenger) {
+        messenger = _messenger;
+    }
+
+    /**********************
+     * Function Modifiers *
+     **********************/
+
+    /**
+     * Enforces that the modified function is only callable by a specific cross-domain account.
+     * @param _sourceDomainAccount The only account on the originating domain which is
+     *  authenticated to call this function.
+     */
+    modifier onlyFromCrossDomainAccount(address _sourceDomainAccount) {
+        require(
+            msg.sender == address(getCrossDomainMessenger()),
+            "OVM_XCHAIN: messenger contract unauthenticated"
+        );
+
+        require(
+            getCrossDomainMessenger().xDomainMessageSender() == _sourceDomainAccount,
+            "OVM_XCHAIN: wrong sender of cross-domain message"
+        );
+
+        _;
+    }
+
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /**
+     * Gets the messenger, usually from storage. This function is exposed in case a child contract
+     * needs to override.
+     * @return The address of the cross-domain messenger contract which should be used.
+     */
+    function getCrossDomainMessenger() internal virtual returns (ICrossDomainMessenger) {
+        return ICrossDomainMessenger(messenger);
+    }
+
+    /**q
+     * Sends a message to an account on another domain
+     * @param _crossDomainTarget The intended recipient on the destination domain
+     * @param _message The data to send to the target (usually calldata to a function with
+     *  `onlyFromCrossDomainAccount()`)
+     * @param _gasLimit The gasLimit for the receipt of the message on the target domain.
+     */
+    function sendCrossDomainMessage(
+        address _crossDomainTarget,
+        uint32 _gasLimit,
+        bytes memory _message
+    ) internal {
+        // slither-disable-next-line reentrancy-events, reentrancy-benign
+        getCrossDomainMessenger().sendMessage(_crossDomainTarget, _message, _gasLimit);
+    }
+}
diff --git a/packages/contracts/libraries/bridge/ICrossDomainMessenger.sol b/packages/contracts/libraries/bridge/ICrossDomainMessenger.sol
new file mode 100644
index 0000000000000..543a671ec6f83
--- /dev/null
+++ b/packages/contracts/libraries/bridge/ICrossDomainMessenger.sol
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: MIT
+pragma solidity >0.5.0 <0.9.0;
+
+/**
+ * @title ICrossDomainMessenger
+ */
+interface ICrossDomainMessenger {
+    /**********
+     * Events *
+     **********/
+
+    event SentMessage(
+        address indexed target,
+        address sender,
+        bytes message,
+        uint256 messageNonce,
+        uint256 gasLimit
+    );
+    event RelayedMessage(bytes32 indexed msgHash);
+    event FailedRelayedMessage(bytes32 indexed msgHash);
+
+    /*************
+     * Variables *
+     *************/
+
+    function xDomainMessageSender() external view returns (address);
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * Sends a cross domain message to the target messenger.
+     * @param _target Target contract address.
+     * @param _message Message to send to the target.
+     * @param _gasLimit Gas limit for the provided message.
+     */
+    function sendMessage(
+        address _target,
+        bytes calldata _message,
+        uint32 _gasLimit
+    ) external;
+}
diff --git a/packages/contracts/libraries/bridge/Lib_CrossDomainUtils.sol b/packages/contracts/libraries/bridge/Lib_CrossDomainUtils.sol
new file mode 100644
index 0000000000000..62c788d084a81
--- /dev/null
+++ b/packages/contracts/libraries/bridge/Lib_CrossDomainUtils.sol
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/**
+ * @title Lib_CrossDomainUtils
+ */
+library Lib_CrossDomainUtils {
+    /**
+     * Generates the correct cross domain calldata for a message.
+     * @param _target Target contract address.
+     * @param _sender Message sender address.
+     * @param _message Message to send to the target.
+     * @param _messageNonce Nonce for the provided message.
+     * @return ABI encoded cross domain calldata.
+     */
+    function encodeXDomainCalldata(
+        address _target,
+        address _sender,
+        bytes memory _message,
+        uint256 _messageNonce
+    ) internal pure returns (bytes memory) {
+        return
+            abi.encodeWithSignature(
+                "relayMessage(address,address,bytes,uint256)",
+                _target,
+                _sender,
+                _message,
+                _messageNonce
+            );
+    }
+}
diff --git a/packages/contracts/libraries/codec/Lib_OVMCodec.sol b/packages/contracts/libraries/codec/Lib_OVMCodec.sol
new file mode 100644
index 0000000000000..75332d94df9d5
--- /dev/null
+++ b/packages/contracts/libraries/codec/Lib_OVMCodec.sol
@@ -0,0 +1,143 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Library Imports */
+import { Lib_RLPReader } from "../rlp/Lib_RLPReader.sol";
+import { Lib_RLPWriter } from "../rlp/Lib_RLPWriter.sol";
+import { Lib_BytesUtils } from "../utils/Lib_BytesUtils.sol";
+import { Lib_Bytes32Utils } from "../utils/Lib_Bytes32Utils.sol";
+
+/**
+ * @title Lib_OVMCodec
+ */
+library Lib_OVMCodec {
+    /*********
+     * Enums *
+     *********/
+
+    enum QueueOrigin {
+        SEQUENCER_QUEUE,
+        L1TOL2_QUEUE
+    }
+
+    /***********
+     * Structs *
+     ***********/
+
+    struct EVMAccount {
+        uint256 nonce;
+        uint256 balance;
+        bytes32 storageRoot;
+        bytes32 codeHash;
+    }
+
+    struct ChainBatchHeader {
+        uint256 batchIndex;
+        bytes32 batchRoot;
+        uint256 batchSize;
+        uint256 prevTotalElements;
+        bytes extraData;
+    }
+
+    struct ChainInclusionProof {
+        uint256 index;
+        bytes32[] siblings;
+    }
+
+    struct Transaction {
+        uint256 timestamp;
+        uint256 blockNumber;
+        QueueOrigin l1QueueOrigin;
+        address l1TxOrigin;
+        address entrypoint;
+        uint256 gasLimit;
+        bytes data;
+    }
+
+    struct TransactionChainElement {
+        bool isSequenced;
+        uint256 queueIndex; // QUEUED TX ONLY
+        uint256 timestamp; // SEQUENCER TX ONLY
+        uint256 blockNumber; // SEQUENCER TX ONLY
+        bytes txData; // SEQUENCER TX ONLY
+    }
+
+    struct QueueElement {
+        bytes32 transactionHash;
+        uint40 timestamp;
+        uint40 blockNumber;
+    }
+
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /**
+     * Encodes a standard OVM transaction.
+     * @param _transaction OVM transaction to encode.
+     * @return Encoded transaction bytes.
+     */
+    function encodeTransaction(Transaction memory _transaction)
+        internal
+        pure
+        returns (bytes memory)
+    {
+        return
+            abi.encodePacked(
+                _transaction.timestamp,
+                _transaction.blockNumber,
+                _transaction.l1QueueOrigin,
+                _transaction.l1TxOrigin,
+                _transaction.entrypoint,
+                _transaction.gasLimit,
+                _transaction.data
+            );
+    }
+
+    /**
+     * Hashes a standard OVM transaction.
+     * @param _transaction OVM transaction to encode.
+     * @return Hashed transaction
+     */
+    function hashTransaction(Transaction memory _transaction) internal pure returns (bytes32) {
+        return keccak256(encodeTransaction(_transaction));
+    }
+
+    /**
+     * @notice Decodes an RLP-encoded account state into a useful struct.
+     * @param _encoded RLP-encoded account state.
+     * @return Account state struct.
+     */
+    function decodeEVMAccount(bytes memory _encoded) internal pure returns (EVMAccount memory) {
+        Lib_RLPReader.RLPItem[] memory accountState = Lib_RLPReader.readList(_encoded);
+
+        return
+            EVMAccount({
+                nonce: Lib_RLPReader.readUint256(accountState[0]),
+                balance: Lib_RLPReader.readUint256(accountState[1]),
+                storageRoot: Lib_RLPReader.readBytes32(accountState[2]),
+                codeHash: Lib_RLPReader.readBytes32(accountState[3])
+            });
+    }
+
+    /**
+     * Calculates a hash for a given batch header.
+     * @param _batchHeader Header to hash.
+     * @return Hash of the header.
+     */
+    function hashBatchHeader(Lib_OVMCodec.ChainBatchHeader memory _batchHeader)
+        internal
+        pure
+        returns (bytes32)
+    {
+        return
+            keccak256(
+                abi.encode(
+                    _batchHeader.batchRoot,
+                    _batchHeader.batchSize,
+                    _batchHeader.prevTotalElements,
+                    _batchHeader.extraData
+                )
+            );
+    }
+}
diff --git a/packages/contracts/libraries/constants/Lib_DefaultValues.sol b/packages/contracts/libraries/constants/Lib_DefaultValues.sol
new file mode 100644
index 0000000000000..62f7296e594ac
--- /dev/null
+++ b/packages/contracts/libraries/constants/Lib_DefaultValues.sol
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/**
+ * @title Lib_DefaultValues
+ */
+library Lib_DefaultValues {
+    // The default x-domain message sender being set to a non-zero value makes
+    // deployment a bit more expensive, but in exchange the refund on every call to
+    // `relayMessage` by the L1 and L2 messengers will be higher.
+    address internal constant DEFAULT_XDOMAIN_SENDER = 0x000000000000000000000000000000000000dEaD;
+}
diff --git a/packages/contracts/libraries/constants/Lib_PredeployAddresses.sol b/packages/contracts/libraries/constants/Lib_PredeployAddresses.sol
new file mode 100644
index 0000000000000..e853bdab1085a
--- /dev/null
+++ b/packages/contracts/libraries/constants/Lib_PredeployAddresses.sol
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/**
+ * @title Lib_PredeployAddresses
+ */
+library Lib_PredeployAddresses {
+    address internal constant L2_TO_L1_MESSAGE_PASSER = 0x4200000000000000000000000000000000000000;
+    address internal constant L1_MESSAGE_SENDER = 0x4200000000000000000000000000000000000001;
+    address internal constant DEPLOYER_WHITELIST = 0x4200000000000000000000000000000000000002;
+    address payable internal constant OVM_ETH = payable(0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000);
+    address internal constant L2_CROSS_DOMAIN_MESSENGER =
+        0x4200000000000000000000000000000000000007;
+    address internal constant LIB_ADDRESS_MANAGER = 0x4200000000000000000000000000000000000008;
+    address internal constant PROXY_EOA = 0x4200000000000000000000000000000000000009;
+    address internal constant L2_STANDARD_BRIDGE = 0x4200000000000000000000000000000000000010;
+    address internal constant SEQUENCER_FEE_WALLET = 0x4200000000000000000000000000000000000011;
+    address internal constant L2_STANDARD_TOKEN_FACTORY =
+        0x4200000000000000000000000000000000000012;
+    address internal constant L1_BLOCK_NUMBER = 0x4200000000000000000000000000000000000013;
+}
diff --git a/packages/contracts/libraries/resolver/Lib_AddressManager.sol b/packages/contracts/libraries/resolver/Lib_AddressManager.sol
new file mode 100644
index 0000000000000..81390476ec43b
--- /dev/null
+++ b/packages/contracts/libraries/resolver/Lib_AddressManager.sol
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* External Imports */
+import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
+
+/**
+ * @title Lib_AddressManager
+ */
+contract Lib_AddressManager is Ownable {
+    /**********
+     * Events *
+     **********/
+
+    event AddressSet(string indexed _name, address _newAddress, address _oldAddress);
+
+    /*************
+     * Variables *
+     *************/
+
+    mapping(bytes32 => address) private addresses;
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * Changes the address associated with a particular name.
+     * @param _name String name to associate an address with.
+     * @param _address Address to associate with the name.
+     */
+    function setAddress(string memory _name, address _address) external onlyOwner {
+        bytes32 nameHash = _getNameHash(_name);
+        address oldAddress = addresses[nameHash];
+        addresses[nameHash] = _address;
+
+        emit AddressSet(_name, _address, oldAddress);
+    }
+
+    /**
+     * Retrieves the address associated with a given name.
+     * @param _name Name to retrieve an address for.
+     * @return Address associated with the given name.
+     */
+    function getAddress(string memory _name) external view returns (address) {
+        return addresses[_getNameHash(_name)];
+    }
+
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /**
+     * Computes the hash of a name.
+     * @param _name Name to compute a hash for.
+     * @return Hash of the given name.
+     */
+    function _getNameHash(string memory _name) internal pure returns (bytes32) {
+        return keccak256(abi.encodePacked(_name));
+    }
+}
diff --git a/packages/contracts/libraries/resolver/Lib_AddressResolver.sol b/packages/contracts/libraries/resolver/Lib_AddressResolver.sol
new file mode 100644
index 0000000000000..47e8e00b198b6
--- /dev/null
+++ b/packages/contracts/libraries/resolver/Lib_AddressResolver.sol
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Library Imports */
+import { Lib_AddressManager } from "./Lib_AddressManager.sol";
+
+/**
+ * @title Lib_AddressResolver
+ */
+abstract contract Lib_AddressResolver {
+    /*************
+     * Variables *
+     *************/
+
+    Lib_AddressManager public libAddressManager;
+
+    /***************
+     * Constructor *
+     ***************/
+
+    /**
+     * @param _libAddressManager Address of the Lib_AddressManager.
+     */
+    constructor(address _libAddressManager) {
+        libAddressManager = Lib_AddressManager(_libAddressManager);
+    }
+
+    /********************
+     * Public Functions *
+     ********************/
+
+    /**
+     * Resolves the address associated with a given name.
+     * @param _name Name to resolve an address for.
+     * @return Address associated with the given name.
+     */
+    function resolve(string memory _name) public view returns (address) {
+        return libAddressManager.getAddress(_name);
+    }
+}
diff --git a/packages/contracts/libraries/resolver/Lib_ResolvedDelegateProxy.sol b/packages/contracts/libraries/resolver/Lib_ResolvedDelegateProxy.sol
new file mode 100644
index 0000000000000..47cd0caec3fe9
--- /dev/null
+++ b/packages/contracts/libraries/resolver/Lib_ResolvedDelegateProxy.sol
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Library Imports */
+import { Lib_AddressManager } from "./Lib_AddressManager.sol";
+
+/**
+ * @title Lib_ResolvedDelegateProxy
+ */
+contract Lib_ResolvedDelegateProxy {
+    /*************
+     * Variables *
+     *************/
+
+    // Using mappings to store fields to avoid overwriting storage slots in the
+    // implementation contract. For example, instead of storing these fields at
+    // storage slot `0` & `1`, they are stored at `keccak256(key + slot)`.
+    // See: https://solidity.readthedocs.io/en/v0.7.0/internals/layout_in_storage.html
+    // NOTE: Do not use this code in your own contract system.
+    //      There is a known flaw in this contract, and we will remove it from the repository
+    //      in the near future. Due to the very limited way that we are using it, this flaw is
+    //      not an issue in our system.
+    mapping(address => string) private implementationName;
+    mapping(address => Lib_AddressManager) private addressManager;
+
+    /***************
+     * Constructor *
+     ***************/
+
+    /**
+     * @param _libAddressManager Address of the Lib_AddressManager.
+     * @param _implementationName implementationName of the contract to proxy to.
+     */
+    constructor(address _libAddressManager, string memory _implementationName) {
+        addressManager[address(this)] = Lib_AddressManager(_libAddressManager);
+        implementationName[address(this)] = _implementationName;
+    }
+
+    /*********************
+     * Fallback Function *
+     *********************/
+
+    fallback() external payable {
+        address target = addressManager[address(this)].getAddress(
+            (implementationName[address(this)])
+        );
+
+        require(target != address(0), "Target address must be initialized.");
+
+        // slither-disable-next-line controlled-delegatecall
+        (bool success, bytes memory returndata) = target.delegatecall(msg.data);
+
+        if (success == true) {
+            assembly {
+                return(add(returndata, 0x20), mload(returndata))
+            }
+        } else {
+            assembly {
+                revert(add(returndata, 0x20), mload(returndata))
+            }
+        }
+    }
+}
diff --git a/packages/contracts/libraries/rlp/Lib_RLPReader.sol b/packages/contracts/libraries/rlp/Lib_RLPReader.sol
new file mode 100644
index 0000000000000..fe9b708508ced
--- /dev/null
+++ b/packages/contracts/libraries/rlp/Lib_RLPReader.sol
@@ -0,0 +1,388 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/**
+ * @title Lib_RLPReader
+ * @dev Adapted from "RLPReader" by Hamdi Allam (hamdi.allam97@gmail.com).
+ */
+library Lib_RLPReader {
+    /*************
+     * Constants *
+     *************/
+
+    uint256 internal constant MAX_LIST_LENGTH = 32;
+
+    /*********
+     * Enums *
+     *********/
+
+    enum RLPItemType {
+        DATA_ITEM,
+        LIST_ITEM
+    }
+
+    /***********
+     * Structs *
+     ***********/
+
+    struct RLPItem {
+        uint256 length;
+        uint256 ptr;
+    }
+
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /**
+     * Converts bytes to a reference to memory position and length.
+     * @param _in Input bytes to convert.
+     * @return Output memory reference.
+     */
+    function toRLPItem(bytes memory _in) internal pure returns (RLPItem memory) {
+        uint256 ptr;
+        assembly {
+            ptr := add(_in, 32)
+        }
+
+        return RLPItem({ length: _in.length, ptr: ptr });
+    }
+
+    /**
+     * Reads an RLP list value into a list of RLP items.
+     * @param _in RLP list value.
+     * @return Decoded RLP list items.
+     */
+    function readList(RLPItem memory _in) internal pure returns (RLPItem[] memory) {
+        (uint256 listOffset, , RLPItemType itemType) = _decodeLength(_in);
+
+        require(itemType == RLPItemType.LIST_ITEM, "Invalid RLP list value.");
+
+        // Solidity in-memory arrays can't be increased in size, but *can* be decreased in size by
+        // writing to the length. Since we can't know the number of RLP items without looping over
+        // the entire input, we'd have to loop twice to accurately size this array. It's easier to
+        // simply set a reasonable maximum list length and decrease the size before we finish.
+        RLPItem[] memory out = new RLPItem[](MAX_LIST_LENGTH);
+
+        uint256 itemCount = 0;
+        uint256 offset = listOffset;
+        while (offset < _in.length) {
+            require(itemCount < MAX_LIST_LENGTH, "Provided RLP list exceeds max list length.");
+
+            (uint256 itemOffset, uint256 itemLength, ) = _decodeLength(
+                RLPItem({ length: _in.length - offset, ptr: _in.ptr + offset })
+            );
+
+            out[itemCount] = RLPItem({ length: itemLength + itemOffset, ptr: _in.ptr + offset });
+
+            itemCount += 1;
+            offset += itemOffset + itemLength;
+        }
+
+        // Decrease the array size to match the actual item count.
+        assembly {
+            mstore(out, itemCount)
+        }
+
+        return out;
+    }
+
+    /**
+     * Reads an RLP list value into a list of RLP items.
+     * @param _in RLP list value.
+     * @return Decoded RLP list items.
+     */
+    function readList(bytes memory _in) internal pure returns (RLPItem[] memory) {
+        return readList(toRLPItem(_in));
+    }
+
+    /**
+     * Reads an RLP bytes value into bytes.
+     * @param _in RLP bytes value.
+     * @return Decoded bytes.
+     */
+    function readBytes(RLPItem memory _in) internal pure returns (bytes memory) {
+        (uint256 itemOffset, uint256 itemLength, RLPItemType itemType) = _decodeLength(_in);
+
+        require(itemType == RLPItemType.DATA_ITEM, "Invalid RLP bytes value.");
+
+        return _copy(_in.ptr, itemOffset, itemLength);
+    }
+
+    /**
+     * Reads an RLP bytes value into bytes.
+     * @param _in RLP bytes value.
+     * @return Decoded bytes.
+     */
+    function readBytes(bytes memory _in) internal pure returns (bytes memory) {
+        return readBytes(toRLPItem(_in));
+    }
+
+    /**
+     * Reads an RLP string value into a string.
+     * @param _in RLP string value.
+     * @return Decoded string.
+     */
+    function readString(RLPItem memory _in) internal pure returns (string memory) {
+        return string(readBytes(_in));
+    }
+
+    /**
+     * Reads an RLP string value into a string.
+     * @param _in RLP string value.
+     * @return Decoded string.
+     */
+    function readString(bytes memory _in) internal pure returns (string memory) {
+        return readString(toRLPItem(_in));
+    }
+
+    /**
+     * Reads an RLP bytes32 value into a bytes32.
+     * @param _in RLP bytes32 value.
+     * @return Decoded bytes32.
+     */
+    function readBytes32(RLPItem memory _in) internal pure returns (bytes32) {
+        require(_in.length <= 33, "Invalid RLP bytes32 value.");
+
+        (uint256 itemOffset, uint256 itemLength, RLPItemType itemType) = _decodeLength(_in);
+
+        require(itemType == RLPItemType.DATA_ITEM, "Invalid RLP bytes32 value.");
+
+        uint256 ptr = _in.ptr + itemOffset;
+        bytes32 out;
+        assembly {
+            out := mload(ptr)
+
+            // Shift the bytes over to match the item size.
+            if lt(itemLength, 32) {
+                out := div(out, exp(256, sub(32, itemLength)))
+            }
+        }
+
+        return out;
+    }
+
+    /**
+     * Reads an RLP bytes32 value into a bytes32.
+     * @param _in RLP bytes32 value.
+     * @return Decoded bytes32.
+     */
+    function readBytes32(bytes memory _in) internal pure returns (bytes32) {
+        return readBytes32(toRLPItem(_in));
+    }
+
+    /**
+     * Reads an RLP uint256 value into a uint256.
+     * @param _in RLP uint256 value.
+     * @return Decoded uint256.
+     */
+    function readUint256(RLPItem memory _in) internal pure returns (uint256) {
+        return uint256(readBytes32(_in));
+    }
+
+    /**
+     * Reads an RLP uint256 value into a uint256.
+     * @param _in RLP uint256 value.
+     * @return Decoded uint256.
+     */
+    function readUint256(bytes memory _in) internal pure returns (uint256) {
+        return readUint256(toRLPItem(_in));
+    }
+
+    /**
+     * Reads an RLP bool value into a bool.
+     * @param _in RLP bool value.
+     * @return Decoded bool.
+     */
+    function readBool(RLPItem memory _in) internal pure returns (bool) {
+        require(_in.length == 1, "Invalid RLP boolean value.");
+
+        uint256 ptr = _in.ptr;
+        uint256 out;
+        assembly {
+            out := byte(0, mload(ptr))
+        }
+
+        require(out == 0 || out == 1, "Lib_RLPReader: Invalid RLP boolean value, must be 0 or 1");
+
+        return out != 0;
+    }
+
+    /**
+     * Reads an RLP bool value into a bool.
+     * @param _in RLP bool value.
+     * @return Decoded bool.
+     */
+    function readBool(bytes memory _in) internal pure returns (bool) {
+        return readBool(toRLPItem(_in));
+    }
+
+    /**
+     * Reads an RLP address value into a address.
+     * @param _in RLP address value.
+     * @return Decoded address.
+     */
+    function readAddress(RLPItem memory _in) internal pure returns (address) {
+        if (_in.length == 1) {
+            return address(0);
+        }
+
+        require(_in.length == 21, "Invalid RLP address value.");
+
+        return address(uint160(readUint256(_in)));
+    }
+
+    /**
+     * Reads an RLP address value into a address.
+     * @param _in RLP address value.
+     * @return Decoded address.
+     */
+    function readAddress(bytes memory _in) internal pure returns (address) {
+        return readAddress(toRLPItem(_in));
+    }
+
+    /**
+     * Reads the raw bytes of an RLP item.
+     * @param _in RLP item to read.
+     * @return Raw RLP bytes.
+     */
+    function readRawBytes(RLPItem memory _in) internal pure returns (bytes memory) {
+        return _copy(_in);
+    }
+
+    /*********************
+     * Private Functions *
+     *********************/
+
+    /**
+     * Decodes the length of an RLP item.
+     * @param _in RLP item to decode.
+     * @return Offset of the encoded data.
+     * @return Length of the encoded data.
+     * @return RLP item type (LIST_ITEM or DATA_ITEM).
+     */
+    function _decodeLength(RLPItem memory _in)
+        private
+        pure
+        returns (
+            uint256,
+            uint256,
+            RLPItemType
+        )
+    {
+        require(_in.length > 0, "RLP item cannot be null.");
+
+        uint256 ptr = _in.ptr;
+        uint256 prefix;
+        assembly {
+            prefix := byte(0, mload(ptr))
+        }
+
+        if (prefix <= 0x7f) {
+            // Single byte.
+
+            return (0, 1, RLPItemType.DATA_ITEM);
+        } else if (prefix <= 0xb7) {
+            // Short string.
+
+            // slither-disable-next-line variable-scope
+            uint256 strLen = prefix - 0x80;
+
+            require(_in.length > strLen, "Invalid RLP short string.");
+
+            return (1, strLen, RLPItemType.DATA_ITEM);
+        } else if (prefix <= 0xbf) {
+            // Long string.
+            uint256 lenOfStrLen = prefix - 0xb7;
+
+            require(_in.length > lenOfStrLen, "Invalid RLP long string length.");
+
+            uint256 strLen;
+            assembly {
+                // Pick out the string length.
+                strLen := div(mload(add(ptr, 1)), exp(256, sub(32, lenOfStrLen)))
+            }
+
+            require(_in.length > lenOfStrLen + strLen, "Invalid RLP long string.");
+
+            return (1 + lenOfStrLen, strLen, RLPItemType.DATA_ITEM);
+        } else if (prefix <= 0xf7) {
+            // Short list.
+            // slither-disable-next-line variable-scope
+            uint256 listLen = prefix - 0xc0;
+
+            require(_in.length > listLen, "Invalid RLP short list.");
+
+            return (1, listLen, RLPItemType.LIST_ITEM);
+        } else {
+            // Long list.
+            uint256 lenOfListLen = prefix - 0xf7;
+
+            require(_in.length > lenOfListLen, "Invalid RLP long list length.");
+
+            uint256 listLen;
+            assembly {
+                // Pick out the list length.
+                listLen := div(mload(add(ptr, 1)), exp(256, sub(32, lenOfListLen)))
+            }
+
+            require(_in.length > lenOfListLen + listLen, "Invalid RLP long list.");
+
+            return (1 + lenOfListLen, listLen, RLPItemType.LIST_ITEM);
+        }
+    }
+
+    /**
+     * Copies the bytes from a memory location.
+     * @param _src Pointer to the location to read from.
+     * @param _offset Offset to start reading from.
+     * @param _length Number of bytes to read.
+     * @return Copied bytes.
+     */
+    function _copy(
+        uint256 _src,
+        uint256 _offset,
+        uint256 _length
+    ) private pure returns (bytes memory) {
+        bytes memory out = new bytes(_length);
+        if (out.length == 0) {
+            return out;
+        }
+
+        uint256 src = _src + _offset;
+        uint256 dest;
+        assembly {
+            dest := add(out, 32)
+        }
+
+        // Copy over as many complete words as we can.
+        for (uint256 i = 0; i < _length / 32; i++) {
+            assembly {
+                mstore(dest, mload(src))
+            }
+
+            src += 32;
+            dest += 32;
+        }
+
+        // Pick out the remaining bytes.
+        uint256 mask;
+        unchecked {
+            mask = 256**(32 - (_length % 32)) - 1;
+        }
+
+        assembly {
+            mstore(dest, or(and(mload(src), not(mask)), and(mload(dest), mask)))
+        }
+        return out;
+    }
+
+    /**
+     * Copies an RLP item into bytes.
+     * @param _in RLP item to copy.
+     * @return Copied bytes.
+     */
+    function _copy(RLPItem memory _in) private pure returns (bytes memory) {
+        return _copy(_in.ptr, 0, _in.length);
+    }
+}
diff --git a/packages/contracts/libraries/rlp/Lib_RLPWriter.sol b/packages/contracts/libraries/rlp/Lib_RLPWriter.sol
new file mode 100644
index 0000000000000..bd41d81c0e06f
--- /dev/null
+++ b/packages/contracts/libraries/rlp/Lib_RLPWriter.sol
@@ -0,0 +1,208 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/**
+ * @title Lib_RLPWriter
+ * @author Bakaoh (with modifications)
+ */
+library Lib_RLPWriter {
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /**
+     * RLP encodes a byte string.
+     * @param _in The byte string to encode.
+     * @return The RLP encoded string in bytes.
+     */
+    function writeBytes(bytes memory _in) internal pure returns (bytes memory) {
+        bytes memory encoded;
+
+        if (_in.length == 1 && uint8(_in[0]) < 128) {
+            encoded = _in;
+        } else {
+            encoded = abi.encodePacked(_writeLength(_in.length, 128), _in);
+        }
+
+        return encoded;
+    }
+
+    /**
+     * RLP encodes a list of RLP encoded byte byte strings.
+     * @param _in The list of RLP encoded byte strings.
+     * @return The RLP encoded list of items in bytes.
+     */
+    function writeList(bytes[] memory _in) internal pure returns (bytes memory) {
+        bytes memory list = _flatten(_in);
+        return abi.encodePacked(_writeLength(list.length, 192), list);
+    }
+
+    /**
+     * RLP encodes a string.
+     * @param _in The string to encode.
+     * @return The RLP encoded string in bytes.
+     */
+    function writeString(string memory _in) internal pure returns (bytes memory) {
+        return writeBytes(bytes(_in));
+    }
+
+    /**
+     * RLP encodes an address.
+     * @param _in The address to encode.
+     * @return The RLP encoded address in bytes.
+     */
+    function writeAddress(address _in) internal pure returns (bytes memory) {
+        return writeBytes(abi.encodePacked(_in));
+    }
+
+    /**
+     * RLP encodes a uint.
+     * @param _in The uint256 to encode.
+     * @return The RLP encoded uint256 in bytes.
+     */
+    function writeUint(uint256 _in) internal pure returns (bytes memory) {
+        return writeBytes(_toBinary(_in));
+    }
+
+    /**
+     * RLP encodes a bool.
+     * @param _in The bool to encode.
+     * @return The RLP encoded bool in bytes.
+     */
+    function writeBool(bool _in) internal pure returns (bytes memory) {
+        bytes memory encoded = new bytes(1);
+        encoded[0] = (_in ? bytes1(0x01) : bytes1(0x80));
+        return encoded;
+    }
+
+    /*********************
+     * Private Functions *
+     *********************/
+
+    /**
+     * Encode the first byte, followed by the `len` in binary form if `length` is more than 55.
+     * @param _len The length of the string or the payload.
+     * @param _offset 128 if item is string, 192 if item is list.
+     * @return RLP encoded bytes.
+     */
+    function _writeLength(uint256 _len, uint256 _offset) private pure returns (bytes memory) {
+        bytes memory encoded;
+
+        if (_len < 56) {
+            encoded = new bytes(1);
+            encoded[0] = bytes1(uint8(_len) + uint8(_offset));
+        } else {
+            uint256 lenLen;
+            uint256 i = 1;
+            while (_len / i != 0) {
+                lenLen++;
+                i *= 256;
+            }
+
+            encoded = new bytes(lenLen + 1);
+            encoded[0] = bytes1(uint8(lenLen) + uint8(_offset) + 55);
+            for (i = 1; i <= lenLen; i++) {
+                encoded[i] = bytes1(uint8((_len / (256**(lenLen - i))) % 256));
+            }
+        }
+
+        return encoded;
+    }
+
+    /**
+     * Encode integer in big endian binary form with no leading zeroes.
+     * @notice TODO: This should be optimized with assembly to save gas costs.
+     * @param _x The integer to encode.
+     * @return RLP encoded bytes.
+     */
+    function _toBinary(uint256 _x) private pure returns (bytes memory) {
+        bytes memory b = abi.encodePacked(_x);
+
+        uint256 i = 0;
+        for (; i < 32; i++) {
+            if (b[i] != 0) {
+                break;
+            }
+        }
+
+        bytes memory res = new bytes(32 - i);
+        for (uint256 j = 0; j < res.length; j++) {
+            res[j] = b[i++];
+        }
+
+        return res;
+    }
+
+    /**
+     * Copies a piece of memory to another location.
+     * @notice From: https://github.com/Arachnid/solidity-stringutils/blob/master/src/strings.sol.
+     * @param _dest Destination location.
+     * @param _src Source location.
+     * @param _len Length of memory to copy.
+     */
+    function _memcpy(
+        uint256 _dest,
+        uint256 _src,
+        uint256 _len
+    ) private pure {
+        uint256 dest = _dest;
+        uint256 src = _src;
+        uint256 len = _len;
+
+        for (; len >= 32; len -= 32) {
+            assembly {
+                mstore(dest, mload(src))
+            }
+            dest += 32;
+            src += 32;
+        }
+
+        uint256 mask;
+        unchecked {
+            mask = 256**(32 - len) - 1;
+        }
+        assembly {
+            let srcpart := and(mload(src), not(mask))
+            let destpart := and(mload(dest), mask)
+            mstore(dest, or(destpart, srcpart))
+        }
+    }
+
+    /**
+     * Flattens a list of byte strings into one byte string.
+     * @notice From: https://github.com/sammayo/solidity-rlp-encoder/blob/master/RLPEncode.sol.
+     * @param _list List of byte strings to flatten.
+     * @return The flattened byte string.
+     */
+    function _flatten(bytes[] memory _list) private pure returns (bytes memory) {
+        if (_list.length == 0) {
+            return new bytes(0);
+        }
+
+        uint256 len;
+        uint256 i = 0;
+        for (; i < _list.length; i++) {
+            len += _list[i].length;
+        }
+
+        bytes memory flattened = new bytes(len);
+        uint256 flattenedPtr;
+        assembly {
+            flattenedPtr := add(flattened, 0x20)
+        }
+
+        for (i = 0; i < _list.length; i++) {
+            bytes memory item = _list[i];
+
+            uint256 listPtr;
+            assembly {
+                listPtr := add(item, 0x20)
+            }
+
+            _memcpy(flattenedPtr, listPtr, item.length);
+            flattenedPtr += _list[i].length;
+        }
+
+        return flattened;
+    }
+}
diff --git a/packages/contracts/libraries/trie/Lib_MerkleTrie.sol b/packages/contracts/libraries/trie/Lib_MerkleTrie.sol
new file mode 100644
index 0000000000000..d25154de78bfc
--- /dev/null
+++ b/packages/contracts/libraries/trie/Lib_MerkleTrie.sol
@@ -0,0 +1,304 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Library Imports */
+import { Lib_BytesUtils } from "../utils/Lib_BytesUtils.sol";
+import { Lib_RLPReader } from "../rlp/Lib_RLPReader.sol";
+import { Lib_RLPWriter } from "../rlp/Lib_RLPWriter.sol";
+
+/**
+ * @title Lib_MerkleTrie
+ */
+library Lib_MerkleTrie {
+    /*******************
+     * Data Structures *
+     *******************/
+
+    enum NodeType {
+        BranchNode,
+        ExtensionNode,
+        LeafNode
+    }
+
+    struct TrieNode {
+        bytes encoded;
+        Lib_RLPReader.RLPItem[] decoded;
+    }
+
+    /**********************
+     * Contract Constants *
+     **********************/
+
+    // TREE_RADIX determines the number of elements per branch node.
+    uint256 constant TREE_RADIX = 16;
+    // Branch nodes have TREE_RADIX elements plus an additional `value` slot.
+    uint256 constant BRANCH_NODE_LENGTH = TREE_RADIX + 1;
+    // Leaf nodes and extension nodes always have two elements, a `path` and a `value`.
+    uint256 constant LEAF_OR_EXTENSION_NODE_LENGTH = 2;
+
+    // Prefixes are prepended to the `path` within a leaf or extension node and
+    // allow us to differentiate between the two node types. `ODD` or `EVEN` is
+    // determined by the number of nibbles within the unprefixed `path`. If the
+    // number of nibbles if even, we need to insert an extra padding nibble so
+    // the resulting prefixed `path` has an even number of nibbles.
+    uint8 constant PREFIX_EXTENSION_EVEN = 0;
+    uint8 constant PREFIX_EXTENSION_ODD = 1;
+    uint8 constant PREFIX_LEAF_EVEN = 2;
+    uint8 constant PREFIX_LEAF_ODD = 3;
+
+    // Just a utility constant. RLP represents `NULL` as 0x80.
+    bytes1 constant RLP_NULL = bytes1(0x80);
+
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /**
+     * @notice Verifies a proof that a given key/value pair is present in the
+     * Merkle trie.
+     * @param _key Key of the node to search for, as a hex string.
+     * @param _value Value of the node to search for, as a hex string.
+     * @param _proof Merkle trie inclusion proof for the desired node. Unlike
+     * traditional Merkle trees, this proof is executed top-down and consists
+     * of a list of RLP-encoded nodes that make a path down to the target node.
+     * @param _root Known root of the Merkle trie. Used to verify that the
+     * included proof is correctly constructed.
+     * @return _verified `true` if the k/v pair exists in the trie, `false` otherwise.
+     */
+    function verifyInclusionProof(
+        bytes memory _key,
+        bytes memory _value,
+        bytes memory _proof,
+        bytes32 _root
+    ) internal pure returns (bool _verified) {
+        (bool exists, bytes memory value) = get(_key, _proof, _root);
+
+        return (exists && Lib_BytesUtils.equal(_value, value));
+    }
+
+    /**
+     * @notice Retrieves the value associated with a given key.
+     * @param _key Key to search for, as hex bytes.
+     * @param _proof Merkle trie inclusion proof for the key.
+     * @param _root Known root of the Merkle trie.
+     * @return _exists Whether or not the key exists.
+     * @return _value Value of the key if it exists.
+     */
+    function get(
+        bytes memory _key,
+        bytes memory _proof,
+        bytes32 _root
+    ) internal pure returns (bool _exists, bytes memory _value) {
+        TrieNode[] memory proof = _parseProof(_proof);
+        (uint256 pathLength, bytes memory keyRemainder, bool isFinalNode) = _walkNodePath(
+            proof,
+            _key,
+            _root
+        );
+
+        bool exists = keyRemainder.length == 0;
+
+        require(exists || isFinalNode, "Provided proof is invalid.");
+
+        bytes memory value = exists ? _getNodeValue(proof[pathLength - 1]) : bytes("");
+
+        return (exists, value);
+    }
+
+    /*********************
+     * Private Functions *
+     *********************/
+
+    /**
+     * @notice Walks through a proof using a provided key.
+     * @param _proof Inclusion proof to walk through.
+     * @param _key Key to use for the walk.
+     * @param _root Known root of the trie.
+     * @return _pathLength Length of the final path
+     * @return _keyRemainder Portion of the key remaining after the walk.
+     * @return _isFinalNode Whether or not we've hit a dead end.
+     */
+    function _walkNodePath(
+        TrieNode[] memory _proof,
+        bytes memory _key,
+        bytes32 _root
+    )
+        private
+        pure
+        returns (
+            uint256 _pathLength,
+            bytes memory _keyRemainder,
+            bool _isFinalNode
+        )
+    {
+        uint256 pathLength = 0;
+        bytes memory key = Lib_BytesUtils.toNibbles(_key);
+
+        bytes32 currentNodeID = _root;
+        uint256 currentKeyIndex = 0;
+        uint256 currentKeyIncrement = 0;
+        TrieNode memory currentNode;
+
+        // Proof is top-down, so we start at the first element (root).
+        for (uint256 i = 0; i < _proof.length; i++) {
+            currentNode = _proof[i];
+            currentKeyIndex += currentKeyIncrement;
+
+            // Keep track of the proof elements we actually need.
+            // It's expensive to resize arrays, so this simply reduces gas costs.
+            pathLength += 1;
+
+            if (currentKeyIndex == 0) {
+                // First proof element is always the root node.
+                require(keccak256(currentNode.encoded) == currentNodeID, "Invalid root hash");
+            } else if (currentNode.encoded.length >= 32) {
+                // Nodes 32 bytes or larger are hashed inside branch nodes.
+                require(
+                    keccak256(currentNode.encoded) == currentNodeID,
+                    "Invalid large internal hash"
+                );
+            } else {
+                // Nodes smaller than 31 bytes aren't hashed.
+                require(
+                    Lib_BytesUtils.toBytes32(currentNode.encoded) == currentNodeID,
+                    "Invalid internal node hash"
+                );
+            }
+
+            if (currentNode.decoded.length == BRANCH_NODE_LENGTH) {
+                if (currentKeyIndex == key.length) {
+                    // We've hit the end of the key
+                    // meaning the value should be within this branch node.
+                    break;
+                } else {
+                    // We're not at the end of the key yet.
+                    // Figure out what the next node ID should be and continue.
+                    uint8 branchKey = uint8(key[currentKeyIndex]);
+                    Lib_RLPReader.RLPItem memory nextNode = currentNode.decoded[branchKey];
+                    currentNodeID = _getNodeID(nextNode);
+                    currentKeyIncrement = 1;
+                    continue;
+                }
+            } else if (currentNode.decoded.length == LEAF_OR_EXTENSION_NODE_LENGTH) {
+                bytes memory path = _getNodePath(currentNode);
+                uint8 prefix = uint8(path[0]);
+                uint8 offset = 2 - (prefix % 2);
+                bytes memory pathRemainder = Lib_BytesUtils.slice(path, offset);
+                bytes memory keyRemainder = Lib_BytesUtils.slice(key, currentKeyIndex);
+                uint256 sharedNibbleLength = _getSharedNibbleLength(pathRemainder, keyRemainder);
+
+                if (prefix == PREFIX_LEAF_EVEN || prefix == PREFIX_LEAF_ODD) {
+                    if (
+                        pathRemainder.length == sharedNibbleLength &&
+                        keyRemainder.length == sharedNibbleLength
+                    ) {
+                        // The key within this leaf matches our key exactly.
+                        // Increment the key index to reflect that we have no remainder.
+                        currentKeyIndex += sharedNibbleLength;
+                    }
+
+                    // We've hit a leaf node, so our next node should be NULL.
+                    currentNodeID = bytes32(RLP_NULL);
+                    break;
+                } else if (prefix == PREFIX_EXTENSION_EVEN || prefix == PREFIX_EXTENSION_ODD) {
+                    if (sharedNibbleLength != pathRemainder.length) {
+                        // Our extension node is not identical to the remainder.
+                        // We've hit the end of this path
+                        // updates will need to modify this extension.
+                        currentNodeID = bytes32(RLP_NULL);
+                        break;
+                    } else {
+                        // Our extension shares some nibbles.
+                        // Carry on to the next node.
+                        currentNodeID = _getNodeID(currentNode.decoded[1]);
+                        currentKeyIncrement = sharedNibbleLength;
+                        continue;
+                    }
+                } else {
+                    revert("Received a node with an unknown prefix");
+                }
+            } else {
+                revert("Received an unparseable node.");
+            }
+        }
+
+        // If our node ID is NULL, then we're at a dead end.
+        bool isFinalNode = currentNodeID == bytes32(RLP_NULL);
+        return (pathLength, Lib_BytesUtils.slice(key, currentKeyIndex), isFinalNode);
+    }
+
+    /**
+     * @notice Parses an RLP-encoded proof into something more useful.
+     * @param _proof RLP-encoded proof to parse.
+     * @return _parsed Proof parsed into easily accessible structs.
+     */
+    function _parseProof(bytes memory _proof) private pure returns (TrieNode[] memory _parsed) {
+        Lib_RLPReader.RLPItem[] memory nodes = Lib_RLPReader.readList(_proof);
+        TrieNode[] memory proof = new TrieNode[](nodes.length);
+
+        for (uint256 i = 0; i < nodes.length; i++) {
+            bytes memory encoded = Lib_RLPReader.readBytes(nodes[i]);
+            proof[i] = TrieNode({ encoded: encoded, decoded: Lib_RLPReader.readList(encoded) });
+        }
+
+        return proof;
+    }
+
+    /**
+     * @notice Picks out the ID for a node. Node ID is referred to as the
+     * "hash" within the specification, but nodes < 32 bytes are not actually
+     * hashed.
+     * @param _node Node to pull an ID for.
+     * @return _nodeID ID for the node, depending on the size of its contents.
+     */
+    function _getNodeID(Lib_RLPReader.RLPItem memory _node) private pure returns (bytes32 _nodeID) {
+        bytes memory nodeID;
+
+        if (_node.length < 32) {
+            // Nodes smaller than 32 bytes are RLP encoded.
+            nodeID = Lib_RLPReader.readRawBytes(_node);
+        } else {
+            // Nodes 32 bytes or larger are hashed.
+            nodeID = Lib_RLPReader.readBytes(_node);
+        }
+
+        return Lib_BytesUtils.toBytes32(nodeID);
+    }
+
+    /**
+     * @notice Gets the path for a leaf or extension node.
+     * @param _node Node to get a path for.
+     * @return _path Node path, converted to an array of nibbles.
+     */
+    function _getNodePath(TrieNode memory _node) private pure returns (bytes memory _path) {
+        return Lib_BytesUtils.toNibbles(Lib_RLPReader.readBytes(_node.decoded[0]));
+    }
+
+    /**
+     * @notice Gets the path for a node.
+     * @param _node Node to get a value for.
+     * @return _value Node value, as hex bytes.
+     */
+    function _getNodeValue(TrieNode memory _node) private pure returns (bytes memory _value) {
+        return Lib_RLPReader.readBytes(_node.decoded[_node.decoded.length - 1]);
+    }
+
+    /**
+     * @notice Utility; determines the number of nibbles shared between two
+     * nibble arrays.
+     * @param _a First nibble array.
+     * @param _b Second nibble array.
+     * @return _shared Number of shared nibbles.
+     */
+    function _getSharedNibbleLength(bytes memory _a, bytes memory _b)
+        private
+        pure
+        returns (uint256 _shared)
+    {
+        uint256 i = 0;
+        while (_a.length > i && _b.length > i && _a[i] == _b[i]) {
+            i++;
+        }
+        return i;
+    }
+}
diff --git a/packages/contracts/libraries/trie/Lib_SecureMerkleTrie.sol b/packages/contracts/libraries/trie/Lib_SecureMerkleTrie.sol
new file mode 100644
index 0000000000000..3ef14fc29188c
--- /dev/null
+++ b/packages/contracts/libraries/trie/Lib_SecureMerkleTrie.sol
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/* Library Imports */
+import { Lib_MerkleTrie } from "./Lib_MerkleTrie.sol";
+
+/**
+ * @title Lib_SecureMerkleTrie
+ */
+library Lib_SecureMerkleTrie {
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /**
+     * @notice Verifies a proof that a given key/value pair is present in the
+     * Merkle trie.
+     * @param _key Key of the node to search for, as a hex string.
+     * @param _value Value of the node to search for, as a hex string.
+     * @param _proof Merkle trie inclusion proof for the desired node. Unlike
+     * traditional Merkle trees, this proof is executed top-down and consists
+     * of a list of RLP-encoded nodes that make a path down to the target node.
+     * @param _root Known root of the Merkle trie. Used to verify that the
+     * included proof is correctly constructed.
+     * @return _verified `true` if the k/v pair exists in the trie, `false` otherwise.
+     */
+    function verifyInclusionProof(
+        bytes memory _key,
+        bytes memory _value,
+        bytes memory _proof,
+        bytes32 _root
+    ) internal pure returns (bool _verified) {
+        bytes memory key = _getSecureKey(_key);
+        return Lib_MerkleTrie.verifyInclusionProof(key, _value, _proof, _root);
+    }
+
+    /**
+     * @notice Retrieves the value associated with a given key.
+     * @param _key Key to search for, as hex bytes.
+     * @param _proof Merkle trie inclusion proof for the key.
+     * @param _root Known root of the Merkle trie.
+     * @return _exists Whether or not the key exists.
+     * @return _value Value of the key if it exists.
+     */
+    function get(
+        bytes memory _key,
+        bytes memory _proof,
+        bytes32 _root
+    ) internal pure returns (bool _exists, bytes memory _value) {
+        bytes memory key = _getSecureKey(_key);
+        return Lib_MerkleTrie.get(key, _proof, _root);
+    }
+
+    /*********************
+     * Private Functions *
+     *********************/
+
+    /**
+     * Computes the secure counterpart to a key.
+     * @param _key Key to get a secure key from.
+     * @return _secureKey Secure version of the key.
+     */
+    function _getSecureKey(bytes memory _key) private pure returns (bytes memory _secureKey) {
+        return abi.encodePacked(keccak256(_key));
+    }
+}
diff --git a/packages/contracts/libraries/utils/Lib_Buffer.sol b/packages/contracts/libraries/utils/Lib_Buffer.sol
new file mode 100644
index 0000000000000..86ec1322267d0
--- /dev/null
+++ b/packages/contracts/libraries/utils/Lib_Buffer.sol
@@ -0,0 +1,188 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/**
+ * @title Lib_Buffer
+ * @dev This library implements a bytes32 storage array with some additional gas-optimized
+ * functionality. In particular, it encodes its length as a uint40, and tightly packs this with an
+ * overwritable "extra data" field so we can store more information with a single SSTORE.
+ */
+library Lib_Buffer {
+    /*************
+     * Libraries *
+     *************/
+
+    using Lib_Buffer for Buffer;
+
+    /***********
+     * Structs *
+     ***********/
+
+    struct Buffer {
+        bytes32 context;
+        mapping(uint256 => bytes32) buf;
+    }
+
+    struct BufferContext {
+        // Stores the length of the array. Uint40 is way more elements than we'll ever reasonably
+        // need in an array and we get an extra 27 bytes of extra data to play with.
+        uint40 length;
+        // Arbitrary extra data that can be modified whenever the length is updated. Useful for
+        // squeezing out some gas optimizations.
+        bytes27 extraData;
+    }
+
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /**
+     * Pushes a single element to the buffer.
+     * @param _self Buffer to access.
+     * @param _value Value to push to the buffer.
+     * @param _extraData Global extra data.
+     */
+    function push(
+        Buffer storage _self,
+        bytes32 _value,
+        bytes27 _extraData
+    ) internal {
+        BufferContext memory ctx = _self.getContext();
+
+        _self.buf[ctx.length] = _value;
+
+        // Bump the global index and insert our extra data, then save the context.
+        ctx.length++;
+        ctx.extraData = _extraData;
+        _self.setContext(ctx);
+    }
+
+    /**
+     * Pushes a single element to the buffer.
+     * @param _self Buffer to access.
+     * @param _value Value to push to the buffer.
+     */
+    function push(Buffer storage _self, bytes32 _value) internal {
+        BufferContext memory ctx = _self.getContext();
+
+        _self.push(_value, ctx.extraData);
+    }
+
+    /**
+     * Retrieves an element from the buffer.
+     * @param _self Buffer to access.
+     * @param _index Element index to retrieve.
+     * @return Value of the element at the given index.
+     */
+    function get(Buffer storage _self, uint256 _index) internal view returns (bytes32) {
+        BufferContext memory ctx = _self.getContext();
+
+        require(_index < ctx.length, "Index out of bounds.");
+
+        return _self.buf[_index];
+    }
+
+    /**
+     * Deletes all elements after (and including) a given index.
+     * @param _self Buffer to access.
+     * @param _index Index of the element to delete from (inclusive).
+     * @param _extraData Optional global extra data.
+     */
+    function deleteElementsAfterInclusive(
+        Buffer storage _self,
+        uint40 _index,
+        bytes27 _extraData
+    ) internal {
+        BufferContext memory ctx = _self.getContext();
+
+        require(_index < ctx.length, "Index out of bounds.");
+
+        // Set our length and extra data, save the context.
+        ctx.length = _index;
+        ctx.extraData = _extraData;
+        _self.setContext(ctx);
+    }
+
+    /**
+     * Deletes all elements after (and including) a given index.
+     * @param _self Buffer to access.
+     * @param _index Index of the element to delete from (inclusive).
+     */
+    function deleteElementsAfterInclusive(Buffer storage _self, uint40 _index) internal {
+        BufferContext memory ctx = _self.getContext();
+        _self.deleteElementsAfterInclusive(_index, ctx.extraData);
+    }
+
+    /**
+     * Retrieves the current global index.
+     * @param _self Buffer to access.
+     * @return Current global index.
+     */
+    function getLength(Buffer storage _self) internal view returns (uint40) {
+        BufferContext memory ctx = _self.getContext();
+        return ctx.length;
+    }
+
+    /**
+     * Changes current global extra data.
+     * @param _self Buffer to access.
+     * @param _extraData New global extra data.
+     */
+    function setExtraData(Buffer storage _self, bytes27 _extraData) internal {
+        BufferContext memory ctx = _self.getContext();
+        ctx.extraData = _extraData;
+        _self.setContext(ctx);
+    }
+
+    /**
+     * Retrieves the current global extra data.
+     * @param _self Buffer to access.
+     * @return Current global extra data.
+     */
+    function getExtraData(Buffer storage _self) internal view returns (bytes27) {
+        BufferContext memory ctx = _self.getContext();
+        return ctx.extraData;
+    }
+
+    /**
+     * Sets the current buffer context.
+     * @param _self Buffer to access.
+     * @param _ctx Current buffer context.
+     */
+    function setContext(Buffer storage _self, BufferContext memory _ctx) internal {
+        bytes32 context;
+        uint40 length = _ctx.length;
+        bytes27 extraData = _ctx.extraData;
+        assembly {
+            context := length
+            context := or(context, extraData)
+        }
+
+        if (_self.context != context) {
+            _self.context = context;
+        }
+    }
+
+    /**
+     * Retrieves the current buffer context.
+     * @param _self Buffer to access.
+     * @return Current buffer context.
+     */
+    function getContext(Buffer storage _self) internal view returns (BufferContext memory) {
+        bytes32 context = _self.context;
+        uint40 length;
+        bytes27 extraData;
+        assembly {
+            length := and(
+                context,
+                0x000000000000000000000000000000000000000000000000000000FFFFFFFFFF
+            )
+            extraData := and(
+                context,
+                0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000000000
+            )
+        }
+
+        return BufferContext({ length: length, extraData: extraData });
+    }
+}
diff --git a/packages/contracts/libraries/utils/Lib_Bytes32Utils.sol b/packages/contracts/libraries/utils/Lib_Bytes32Utils.sol
new file mode 100644
index 0000000000000..abd23ede46ae2
--- /dev/null
+++ b/packages/contracts/libraries/utils/Lib_Bytes32Utils.sol
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/**
+ * @title Lib_Byte32Utils
+ */
+library Lib_Bytes32Utils {
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /**
+     * Converts a bytes32 value to a boolean. Anything non-zero will be converted to "true."
+     * @param _in Input bytes32 value.
+     * @return Bytes32 as a boolean.
+     */
+    function toBool(bytes32 _in) internal pure returns (bool) {
+        return _in != 0;
+    }
+
+    /**
+     * Converts a boolean to a bytes32 value.
+     * @param _in Input boolean value.
+     * @return Boolean as a bytes32.
+     */
+    function fromBool(bool _in) internal pure returns (bytes32) {
+        return bytes32(uint256(_in ? 1 : 0));
+    }
+
+    /**
+     * Converts a bytes32 value to an address. Takes the *last* 20 bytes.
+     * @param _in Input bytes32 value.
+     * @return Bytes32 as an address.
+     */
+    function toAddress(bytes32 _in) internal pure returns (address) {
+        return address(uint160(uint256(_in)));
+    }
+
+    /**
+     * Converts an address to a bytes32.
+     * @param _in Input address value.
+     * @return Address as a bytes32.
+     */
+    function fromAddress(address _in) internal pure returns (bytes32) {
+        return bytes32(uint256(uint160(_in)));
+    }
+}
diff --git a/packages/contracts/libraries/utils/Lib_BytesUtils.sol b/packages/contracts/libraries/utils/Lib_BytesUtils.sol
new file mode 100644
index 0000000000000..f8f81cd552d5e
--- /dev/null
+++ b/packages/contracts/libraries/utils/Lib_BytesUtils.sol
@@ -0,0 +1,127 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/**
+ * @title Lib_BytesUtils
+ */
+library Lib_BytesUtils {
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    function slice(
+        bytes memory _bytes,
+        uint256 _start,
+        uint256 _length
+    ) internal pure returns (bytes memory) {
+        require(_length + 31 >= _length, "slice_overflow");
+        require(_start + _length >= _start, "slice_overflow");
+        require(_bytes.length >= _start + _length, "slice_outOfBounds");
+
+        bytes memory tempBytes;
+
+        assembly {
+            switch iszero(_length)
+            case 0 {
+                // Get a location of some free memory and store it in tempBytes as
+                // Solidity does for memory variables.
+                tempBytes := mload(0x40)
+
+                // The first word of the slice result is potentially a partial
+                // word read from the original array. To read it, we calculate
+                // the length of that partial word and start copying that many
+                // bytes into the array. The first word we copy will start with
+                // data we don't care about, but the last `lengthmod` bytes will
+                // land at the beginning of the contents of the new array. When
+                // we're done copying, we overwrite the full first word with
+                // the actual length of the slice.
+                let lengthmod := and(_length, 31)
+
+                // The multiplication in the next line is necessary
+                // because when slicing multiples of 32 bytes (lengthmod == 0)
+                // the following copy loop was copying the origin's length
+                // and then ending prematurely not copying everything it should.
+                let mc := add(add(tempBytes, lengthmod), mul(0x20, iszero(lengthmod)))
+                let end := add(mc, _length)
+
+                for {
+                    // The multiplication in the next line has the same exact purpose
+                    // as the one above.
+                    let cc := add(add(add(_bytes, lengthmod), mul(0x20, iszero(lengthmod))), _start)
+                } lt(mc, end) {
+                    mc := add(mc, 0x20)
+                    cc := add(cc, 0x20)
+                } {
+                    mstore(mc, mload(cc))
+                }
+
+                mstore(tempBytes, _length)
+
+                //update free-memory pointer
+                //allocating the array padded to 32 bytes like the compiler does now
+                mstore(0x40, and(add(mc, 31), not(31)))
+            }
+            //if we want a zero-length slice let's just return a zero-length array
+            default {
+                tempBytes := mload(0x40)
+
+                //zero out the 32 bytes slice we are about to return
+                //we need to do it because Solidity does not garbage collect
+                mstore(tempBytes, 0)
+
+                mstore(0x40, add(tempBytes, 0x20))
+            }
+        }
+
+        return tempBytes;
+    }
+
+    function slice(bytes memory _bytes, uint256 _start) internal pure returns (bytes memory) {
+        if (_start >= _bytes.length) {
+            return bytes("");
+        }
+
+        return slice(_bytes, _start, _bytes.length - _start);
+    }
+
+    function toBytes32(bytes memory _bytes) internal pure returns (bytes32) {
+        if (_bytes.length < 32) {
+            bytes32 ret;
+            assembly {
+                ret := mload(add(_bytes, 32))
+            }
+            return ret;
+        }
+
+        return abi.decode(_bytes, (bytes32)); // will truncate if input length > 32 bytes
+    }
+
+    function toUint256(bytes memory _bytes) internal pure returns (uint256) {
+        return uint256(toBytes32(_bytes));
+    }
+
+    function toNibbles(bytes memory _bytes) internal pure returns (bytes memory) {
+        bytes memory nibbles = new bytes(_bytes.length * 2);
+
+        for (uint256 i = 0; i < _bytes.length; i++) {
+            nibbles[i * 2] = _bytes[i] >> 4;
+            nibbles[i * 2 + 1] = bytes1(uint8(_bytes[i]) % 16);
+        }
+
+        return nibbles;
+    }
+
+    function fromNibbles(bytes memory _bytes) internal pure returns (bytes memory) {
+        bytes memory ret = new bytes(_bytes.length / 2);
+
+        for (uint256 i = 0; i < ret.length; i++) {
+            ret[i] = (_bytes[i * 2] << 4) | (_bytes[i * 2 + 1]);
+        }
+
+        return ret;
+    }
+
+    function equal(bytes memory _bytes, bytes memory _other) internal pure returns (bool) {
+        return keccak256(_bytes) == keccak256(_other);
+    }
+}
diff --git a/packages/contracts/libraries/utils/Lib_MerkleTree.sol b/packages/contracts/libraries/utils/Lib_MerkleTree.sol
new file mode 100644
index 0000000000000..344643407cd47
--- /dev/null
+++ b/packages/contracts/libraries/utils/Lib_MerkleTree.sol
@@ -0,0 +1,175 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+/**
+ * @title Lib_MerkleTree
+ * @author River Keefer
+ */
+library Lib_MerkleTree {
+    /**********************
+     * Internal Functions *
+     **********************/
+
+    /**
+     * Calculates a merkle root for a list of 32-byte leaf hashes.  WARNING: If the number
+     * of leaves passed in is not a power of two, it pads out the tree with zero hashes.
+     * If you do not know the original length of elements for the tree you are verifying, then
+     * this may allow empty leaves past _elements.length to pass a verification check down the line.
+     * Note that the _elements argument is modified, therefore it must not be used again afterwards
+     * @param _elements Array of hashes from which to generate a merkle root.
+     * @return Merkle root of the leaves, with zero hashes for non-powers-of-two (see above).
+     */
+    function getMerkleRoot(bytes32[] memory _elements) internal pure returns (bytes32) {
+        require(_elements.length > 0, "Lib_MerkleTree: Must provide at least one leaf hash.");
+
+        if (_elements.length == 1) {
+            return _elements[0];
+        }
+
+        uint256[16] memory defaults = [
+            0x290decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563,
+            0x633dc4d7da7256660a892f8f1604a44b5432649cc8ec5cb3ced4c4e6ac94dd1d,
+            0x890740a8eb06ce9be422cb8da5cdafc2b58c0a5e24036c578de2a433c828ff7d,
+            0x3b8ec09e026fdc305365dfc94e189a81b38c7597b3d941c279f042e8206e0bd8,
+            0xecd50eee38e386bd62be9bedb990706951b65fe053bd9d8a521af753d139e2da,
+            0xdefff6d330bb5403f63b14f33b578274160de3a50df4efecf0e0db73bcdd3da5,
+            0x617bdd11f7c0a11f49db22f629387a12da7596f9d1704d7465177c63d88ec7d7,
+            0x292c23a9aa1d8bea7e2435e555a4a60e379a5a35f3f452bae60121073fb6eead,
+            0xe1cea92ed99acdcb045a6726b2f87107e8a61620a232cf4d7d5b5766b3952e10,
+            0x7ad66c0a68c72cb89e4fb4303841966e4062a76ab97451e3b9fb526a5ceb7f82,
+            0xe026cc5a4aed3c22a58cbd3d2ac754c9352c5436f638042dca99034e83636516,
+            0x3d04cffd8b46a874edf5cfae63077de85f849a660426697b06a829c70dd1409c,
+            0xad676aa337a485e4728a0b240d92b3ef7b3c372d06d189322bfd5f61f1e7203e,
+            0xa2fca4a49658f9fab7aa63289c91b7c7b6c832a6d0e69334ff5b0a3483d09dab,
+            0x4ebfd9cd7bca2505f7bef59cc1c12ecc708fff26ae4af19abe852afe9e20c862,
+            0x2def10d13dd169f550f578bda343d9717a138562e0093b380a1120789d53cf10
+        ];
+
+        // Reserve memory space for our hashes.
+        bytes memory buf = new bytes(64);
+
+        // We'll need to keep track of left and right siblings.
+        bytes32 leftSibling;
+        bytes32 rightSibling;
+
+        // Number of non-empty nodes at the current depth.
+        uint256 rowSize = _elements.length;
+
+        // Current depth, counting from 0 at the leaves
+        uint256 depth = 0;
+
+        // Common sub-expressions
+        uint256 halfRowSize; // rowSize / 2
+        bool rowSizeIsOdd; // rowSize % 2 == 1
+
+        while (rowSize > 1) {
+            halfRowSize = rowSize / 2;
+            rowSizeIsOdd = rowSize % 2 == 1;
+
+            for (uint256 i = 0; i < halfRowSize; i++) {
+                leftSibling = _elements[(2 * i)];
+                rightSibling = _elements[(2 * i) + 1];
+                assembly {
+                    mstore(add(buf, 32), leftSibling)
+                    mstore(add(buf, 64), rightSibling)
+                }
+
+                _elements[i] = keccak256(buf);
+            }
+
+            if (rowSizeIsOdd) {
+                leftSibling = _elements[rowSize - 1];
+                rightSibling = bytes32(defaults[depth]);
+                assembly {
+                    mstore(add(buf, 32), leftSibling)
+                    mstore(add(buf, 64), rightSibling)
+                }
+
+                _elements[halfRowSize] = keccak256(buf);
+            }
+
+            rowSize = halfRowSize + (rowSizeIsOdd ? 1 : 0);
+            depth++;
+        }
+
+        return _elements[0];
+    }
+
+    /**
+     * Verifies a merkle branch for the given leaf hash.  Assumes the original length
+     * of leaves generated is a known, correct input, and does not return true for indices
+     * extending past that index (even if _siblings would be otherwise valid.)
+     * @param _root The Merkle root to verify against.
+     * @param _leaf The leaf hash to verify inclusion of.
+     * @param _index The index in the tree of this leaf.
+     * @param _siblings Array of sibline nodes in the inclusion proof, starting from depth 0
+     * (bottom of the tree).
+     * @param _totalLeaves The total number of leaves originally passed into.
+     * @return Whether or not the merkle branch and leaf passes verification.
+     */
+    function verify(
+        bytes32 _root,
+        bytes32 _leaf,
+        uint256 _index,
+        bytes32[] memory _siblings,
+        uint256 _totalLeaves
+    ) internal pure returns (bool) {
+        require(_totalLeaves > 0, "Lib_MerkleTree: Total leaves must be greater than zero.");
+
+        require(_index < _totalLeaves, "Lib_MerkleTree: Index out of bounds.");
+
+        require(
+            _siblings.length == _ceilLog2(_totalLeaves),
+            "Lib_MerkleTree: Total siblings does not correctly correspond to total leaves."
+        );
+
+        bytes32 computedRoot = _leaf;
+
+        for (uint256 i = 0; i < _siblings.length; i++) {
+            if ((_index & 1) == 1) {
+                computedRoot = keccak256(abi.encodePacked(_siblings[i], computedRoot));
+            } else {
+                computedRoot = keccak256(abi.encodePacked(computedRoot, _siblings[i]));
+            }
+
+            _index >>= 1;
+        }
+
+        return _root == computedRoot;
+    }
+
+    /*********************
+     * Private Functions *
+     *********************/
+
+    /**
+     * Calculates the integer ceiling of the log base 2 of an input.
+     * @param _in Unsigned input to calculate the log.
+     * @return ceil(log_base_2(_in))
+     */
+    function _ceilLog2(uint256 _in) private pure returns (uint256) {
+        require(_in > 0, "Lib_MerkleTree: Cannot compute ceil(log_2) of 0.");
+
+        if (_in == 1) {
+            return 0;
+        }
+
+        // Find the highest set bit (will be floor(log_2)).
+        // Borrowed with <3 from https://github.com/ethereum/solidity-examples
+        uint256 val = _in;
+        uint256 highest = 0;
+        for (uint256 i = 128; i >= 1; i >>= 1) {
+            if (val & (((uint256(1) << i) - 1) << i) != 0) {
+                highest += i;
+                val >>= i;
+            }
+        }
+
+        // Increment by one if this is not a perfect logarithm.
+        if ((uint256(1) << highest) != _in) {
+            highest += 1;
+        }
+
+        return highest;
+    }
+}
diff --git a/packages/contracts/src/contract-artifacts.ts b/packages/contracts/src/contract-artifacts.ts
new file mode 100644
index 0000000000000..00f1fdd4742a4
--- /dev/null
+++ b/packages/contracts/src/contract-artifacts.ts
@@ -0,0 +1,363 @@
+
+    /* eslint-disable @typescript-eslint/no-var-requires, no-empty */
+    /*
+    THIS FILE IS AUTOMATICALLY GENERATED.
+    DO NOT EDIT.
+    */
+
+    
+        let iL1ChugSplashDeployer
+        try {
+          iL1ChugSplashDeployer = require('../artifacts/contracts/chugsplash/interfaces/iL1ChugSplashDeployer.sol/iL1ChugSplashDeployer.json')
+        } catch {}
+        
+
+        let L1ChugSplashProxy
+        try {
+          L1ChugSplashProxy = require('../artifacts/contracts/chugsplash/L1ChugSplashProxy.sol/L1ChugSplashProxy.json')
+        } catch {}
+        
+
+        let AddressDictator
+        try {
+          AddressDictator = require('../artifacts/contracts/L1/deployment/AddressDictator.sol/AddressDictator.json')
+        } catch {}
+        
+
+        let ChugSplashDictator
+        try {
+          ChugSplashDictator = require('../artifacts/contracts/L1/deployment/ChugSplashDictator.sol/ChugSplashDictator.json')
+        } catch {}
+        
+
+        let IL1CrossDomainMessenger
+        try {
+          IL1CrossDomainMessenger = require('../artifacts/contracts/L1/messaging/IL1CrossDomainMessenger.sol/IL1CrossDomainMessenger.json')
+        } catch {}
+        
+
+        let IL1ERC20Bridge
+        try {
+          IL1ERC20Bridge = require('../artifacts/contracts/L1/messaging/IL1ERC20Bridge.sol/IL1ERC20Bridge.json')
+        } catch {}
+        
+
+        let IL1StandardBridge
+        try {
+          IL1StandardBridge = require('../artifacts/contracts/L1/messaging/IL1StandardBridge.sol/IL1StandardBridge.json')
+        } catch {}
+        
+
+        let L1CrossDomainMessenger
+        try {
+          L1CrossDomainMessenger = require('../artifacts/contracts/L1/messaging/L1CrossDomainMessenger.sol/L1CrossDomainMessenger.json')
+        } catch {}
+        
+
+        let L1StandardBridge
+        try {
+          L1StandardBridge = require('../artifacts/contracts/L1/messaging/L1StandardBridge.sol/L1StandardBridge.json')
+        } catch {}
+        
+
+        let CanonicalTransactionChain
+        try {
+          CanonicalTransactionChain = require('../artifacts/contracts/L1/rollup/CanonicalTransactionChain.sol/CanonicalTransactionChain.json')
+        } catch {}
+        
+
+        let ChainStorageContainer
+        try {
+          ChainStorageContainer = require('../artifacts/contracts/L1/rollup/ChainStorageContainer.sol/ChainStorageContainer.json')
+        } catch {}
+        
+
+        let ICanonicalTransactionChain
+        try {
+          ICanonicalTransactionChain = require('../artifacts/contracts/L1/rollup/ICanonicalTransactionChain.sol/ICanonicalTransactionChain.json')
+        } catch {}
+        
+
+        let IChainStorageContainer
+        try {
+          IChainStorageContainer = require('../artifacts/contracts/L1/rollup/IChainStorageContainer.sol/IChainStorageContainer.json')
+        } catch {}
+        
+
+        let IStateCommitmentChain
+        try {
+          IStateCommitmentChain = require('../artifacts/contracts/L1/rollup/IStateCommitmentChain.sol/IStateCommitmentChain.json')
+        } catch {}
+        
+
+        let StateCommitmentChain
+        try {
+          StateCommitmentChain = require('../artifacts/contracts/L1/rollup/StateCommitmentChain.sol/StateCommitmentChain.json')
+        } catch {}
+        
+
+        let BondManager
+        try {
+          BondManager = require('../artifacts/contracts/L1/verification/BondManager.sol/BondManager.json')
+        } catch {}
+        
+
+        let IBondManager
+        try {
+          IBondManager = require('../artifacts/contracts/L1/verification/IBondManager.sol/IBondManager.json')
+        } catch {}
+        
+
+        let IL2CrossDomainMessenger
+        try {
+          IL2CrossDomainMessenger = require('../artifacts/contracts/L2/messaging/IL2CrossDomainMessenger.sol/IL2CrossDomainMessenger.json')
+        } catch {}
+        
+
+        let IL2ERC20Bridge
+        try {
+          IL2ERC20Bridge = require('../artifacts/contracts/L2/messaging/IL2ERC20Bridge.sol/IL2ERC20Bridge.json')
+        } catch {}
+        
+
+        let L2CrossDomainMessenger
+        try {
+          L2CrossDomainMessenger = require('../artifacts/contracts/L2/messaging/L2CrossDomainMessenger.sol/L2CrossDomainMessenger.json')
+        } catch {}
+        
+
+        let L2StandardBridge
+        try {
+          L2StandardBridge = require('../artifacts/contracts/L2/messaging/L2StandardBridge.sol/L2StandardBridge.json')
+        } catch {}
+        
+
+        let L2StandardTokenFactory
+        try {
+          L2StandardTokenFactory = require('../artifacts/contracts/L2/messaging/L2StandardTokenFactory.sol/L2StandardTokenFactory.json')
+        } catch {}
+        
+
+        let iOVM_L1BlockNumber
+        try {
+          iOVM_L1BlockNumber = require('../artifacts/contracts/L2/predeploys/iOVM_L1BlockNumber.sol/iOVM_L1BlockNumber.json')
+        } catch {}
+        
+
+        let iOVM_L2ToL1MessagePasser
+        try {
+          iOVM_L2ToL1MessagePasser = require('../artifacts/contracts/L2/predeploys/iOVM_L2ToL1MessagePasser.sol/iOVM_L2ToL1MessagePasser.json')
+        } catch {}
+        
+
+        let OVM_DeployerWhitelist
+        try {
+          OVM_DeployerWhitelist = require('../artifacts/contracts/L2/predeploys/OVM_DeployerWhitelist.sol/OVM_DeployerWhitelist.json')
+        } catch {}
+        
+
+        let OVM_ETH
+        try {
+          OVM_ETH = require('../artifacts/contracts/L2/predeploys/OVM_ETH.sol/OVM_ETH.json')
+        } catch {}
+        
+
+        let OVM_GasPriceOracle
+        try {
+          OVM_GasPriceOracle = require('../artifacts/contracts/L2/predeploys/OVM_GasPriceOracle.sol/OVM_GasPriceOracle.json')
+        } catch {}
+        
+
+        let OVM_L2ToL1MessagePasser
+        try {
+          OVM_L2ToL1MessagePasser = require('../artifacts/contracts/L2/predeploys/OVM_L2ToL1MessagePasser.sol/OVM_L2ToL1MessagePasser.json')
+        } catch {}
+        
+
+        let OVM_SequencerFeeVault
+        try {
+          OVM_SequencerFeeVault = require('../artifacts/contracts/L2/predeploys/OVM_SequencerFeeVault.sol/OVM_SequencerFeeVault.json')
+        } catch {}
+        
+
+        let WETH9
+        try {
+          WETH9 = require('../artifacts/contracts/L2/predeploys/WETH9.sol/WETH9.json')
+        } catch {}
+        
+
+        let CrossDomainEnabled
+        try {
+          CrossDomainEnabled = require('../artifacts/contracts/libraries/bridge/CrossDomainEnabled.sol/CrossDomainEnabled.json')
+        } catch {}
+        
+
+        let ICrossDomainMessenger
+        try {
+          ICrossDomainMessenger = require('../artifacts/contracts/libraries/bridge/ICrossDomainMessenger.sol/ICrossDomainMessenger.json')
+        } catch {}
+        
+
+        let Lib_CrossDomainUtils
+        try {
+          Lib_CrossDomainUtils = require('../artifacts/contracts/libraries/bridge/Lib_CrossDomainUtils.sol/Lib_CrossDomainUtils.json')
+        } catch {}
+        
+
+        let Lib_OVMCodec
+        try {
+          Lib_OVMCodec = require('../artifacts/contracts/libraries/codec/Lib_OVMCodec.sol/Lib_OVMCodec.json')
+        } catch {}
+        
+
+        let Lib_DefaultValues
+        try {
+          Lib_DefaultValues = require('../artifacts/contracts/libraries/constants/Lib_DefaultValues.sol/Lib_DefaultValues.json')
+        } catch {}
+        
+
+        let Lib_PredeployAddresses
+        try {
+          Lib_PredeployAddresses = require('../artifacts/contracts/libraries/constants/Lib_PredeployAddresses.sol/Lib_PredeployAddresses.json')
+        } catch {}
+        
+
+        let Lib_AddressManager
+        try {
+          Lib_AddressManager = require('../artifacts/contracts/libraries/resolver/Lib_AddressManager.sol/Lib_AddressManager.json')
+        } catch {}
+        
+
+        let Lib_AddressResolver
+        try {
+          Lib_AddressResolver = require('../artifacts/contracts/libraries/resolver/Lib_AddressResolver.sol/Lib_AddressResolver.json')
+        } catch {}
+        
+
+        let Lib_ResolvedDelegateProxy
+        try {
+          Lib_ResolvedDelegateProxy = require('../artifacts/contracts/libraries/resolver/Lib_ResolvedDelegateProxy.sol/Lib_ResolvedDelegateProxy.json')
+        } catch {}
+        
+
+        let Lib_RLPReader
+        try {
+          Lib_RLPReader = require('../artifacts/contracts/libraries/rlp/Lib_RLPReader.sol/Lib_RLPReader.json')
+        } catch {}
+        
+
+        let Lib_RLPWriter
+        try {
+          Lib_RLPWriter = require('../artifacts/contracts/libraries/rlp/Lib_RLPWriter.sol/Lib_RLPWriter.json')
+        } catch {}
+        
+
+        let Lib_MerkleTrie
+        try {
+          Lib_MerkleTrie = require('../artifacts/contracts/libraries/trie/Lib_MerkleTrie.sol/Lib_MerkleTrie.json')
+        } catch {}
+        
+
+        let Lib_SecureMerkleTrie
+        try {
+          Lib_SecureMerkleTrie = require('../artifacts/contracts/libraries/trie/Lib_SecureMerkleTrie.sol/Lib_SecureMerkleTrie.json')
+        } catch {}
+        
+
+        let Lib_Buffer
+        try {
+          Lib_Buffer = require('../artifacts/contracts/libraries/utils/Lib_Buffer.sol/Lib_Buffer.json')
+        } catch {}
+        
+
+        let Lib_Bytes32Utils
+        try {
+          Lib_Bytes32Utils = require('../artifacts/contracts/libraries/utils/Lib_Bytes32Utils.sol/Lib_Bytes32Utils.json')
+        } catch {}
+        
+
+        let Lib_BytesUtils
+        try {
+          Lib_BytesUtils = require('../artifacts/contracts/libraries/utils/Lib_BytesUtils.sol/Lib_BytesUtils.json')
+        } catch {}
+        
+
+        let Lib_MerkleTree
+        try {
+          Lib_MerkleTree = require('../artifacts/contracts/libraries/utils/Lib_MerkleTree.sol/Lib_MerkleTree.json')
+        } catch {}
+        
+
+        let AddressAliasHelper
+        try {
+          AddressAliasHelper = require('../artifacts/contracts/standards/AddressAliasHelper.sol/AddressAliasHelper.json')
+        } catch {}
+        
+
+        let IL2StandardERC20
+        try {
+          IL2StandardERC20 = require('../artifacts/contracts/standards/IL2StandardERC20.sol/IL2StandardERC20.json')
+        } catch {}
+        
+
+        let L2StandardERC20
+        try {
+          L2StandardERC20 = require('../artifacts/contracts/standards/L2StandardERC20.sol/L2StandardERC20.json')
+        } catch {}
+        
+
+    export const getContractArtifact = (name: string): any => {
+      return {
+        iL1ChugSplashDeployer,
+L1ChugSplashProxy,
+AddressDictator,
+ChugSplashDictator,
+IL1CrossDomainMessenger,
+IL1ERC20Bridge,
+IL1StandardBridge,
+L1CrossDomainMessenger,
+L1StandardBridge,
+CanonicalTransactionChain,
+ChainStorageContainer,
+ICanonicalTransactionChain,
+IChainStorageContainer,
+IStateCommitmentChain,
+StateCommitmentChain,
+BondManager,
+IBondManager,
+IL2CrossDomainMessenger,
+IL2ERC20Bridge,
+L2CrossDomainMessenger,
+L2StandardBridge,
+L2StandardTokenFactory,
+iOVM_L1BlockNumber,
+iOVM_L2ToL1MessagePasser,
+OVM_DeployerWhitelist,
+OVM_ETH,
+OVM_GasPriceOracle,
+OVM_L2ToL1MessagePasser,
+OVM_SequencerFeeVault,
+WETH9,
+CrossDomainEnabled,
+ICrossDomainMessenger,
+Lib_CrossDomainUtils,
+Lib_OVMCodec,
+Lib_DefaultValues,
+Lib_PredeployAddresses,
+Lib_AddressManager,
+Lib_AddressResolver,
+Lib_ResolvedDelegateProxy,
+Lib_RLPReader,
+Lib_RLPWriter,
+Lib_MerkleTrie,
+Lib_SecureMerkleTrie,
+Lib_Buffer,
+Lib_Bytes32Utils,
+Lib_BytesUtils,
+Lib_MerkleTree,
+AddressAliasHelper,
+IL2StandardERC20,
+L2StandardERC20
+      }[name]
+    }
+    
\ No newline at end of file
diff --git a/packages/contracts/src/contract-deployed-artifacts.ts b/packages/contracts/src/contract-deployed-artifacts.ts
new file mode 100644
index 0000000000000..1ac7b74a6142b
--- /dev/null
+++ b/packages/contracts/src/contract-deployed-artifacts.ts
@@ -0,0 +1,62 @@
+
+  /* eslint-disable */
+  /*
+  THIS FILE IS AUTOMATICALLY GENERATED.
+  DO NOT EDIT.
+  */
+  const goerli__AddressDictator = { abi: [{"inputs":[{"internalType":"contract Lib_AddressManager","name":"_manager","type":"address"},{"internalType":"address","name":"_finalOwner","type":"address"},{"internalType":"string[]","name":"_names","type":"string[]"},{"internalType":"address[]","name":"_addresses","type":"address[]"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"finalOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNamedAddresses","outputs":[{"components":[{"internalType":"string","name":"name","type":"string"},{"internalType":"address","name":"addr","type":"address"}],"internalType":"struct AddressDictator.NamedAddress[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"manager","outputs":[{"internalType":"contract Lib_AddressManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"returnOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"setAddresses","outputs":[],"stateMutability":"nonpayable","type":"function"}], address: '0x406905414D6c250C186F4616EFA38D5fc0759437' }
+const goerli__BondManager = { abi: [{"inputs":[{"internalType":"address","name":"_libAddressManager","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"_who","type":"address"}],"name":"isCollateralized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"libAddressManager","outputs":[{"internalType":"contract Lib_AddressManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"resolve","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}], address: '0xfC2ab6987C578218f99E85d61Dcf4814A26637Bd' }
+const goerli__CanonicalTransactionChain = { abi: [{"inputs":[{"internalType":"address","name":"_libAddressManager","type":"address"},{"internalType":"uint256","name":"_maxTransactionGasLimit","type":"uint256"},{"internalType":"uint256","name":"_l2GasDiscountDivisor","type":"uint256"},{"internalType":"uint256","name":"_enqueueGasCost","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"l2GasDiscountDivisor","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"enqueueGasCost","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"enqueueL2GasPrepaid","type":"uint256"}],"name":"L2GasParamsUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_startingQueueIndex","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_numQueueElements","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_totalElements","type":"uint256"}],"name":"QueueBatchAppended","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_startingQueueIndex","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_numQueueElements","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_totalElements","type":"uint256"}],"name":"SequencerBatchAppended","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"_batchIndex","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"_batchRoot","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"_batchSize","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_prevTotalElements","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"_extraData","type":"bytes"}],"name":"TransactionBatchAppended","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_l1TxOrigin","type":"address"},{"indexed":true,"internalType":"address","name":"_target","type":"address"},{"indexed":false,"internalType":"uint256","name":"_gasLimit","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"_data","type":"bytes"},{"indexed":true,"internalType":"uint256","name":"_queueIndex","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_timestamp","type":"uint256"}],"name":"TransactionEnqueued","type":"event"},{"inputs":[],"name":"MAX_ROLLUP_TX_SIZE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MIN_ROLLUP_TX_GAS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"appendSequencerBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"batches","outputs":[{"internalType":"contract IChainStorageContainer","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_target","type":"address"},{"internalType":"uint256","name":"_gasLimit","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"enqueue","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"enqueueGasCost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"enqueueL2GasPrepaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLastBlockNumber","outputs":[{"internalType":"uint40","name":"","type":"uint40"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLastTimestamp","outputs":[{"internalType":"uint40","name":"","type":"uint40"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNextQueueIndex","outputs":[{"internalType":"uint40","name":"","type":"uint40"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNumPendingQueueElements","outputs":[{"internalType":"uint40","name":"","type":"uint40"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"getQueueElement","outputs":[{"components":[{"internalType":"bytes32","name":"transactionHash","type":"bytes32"},{"internalType":"uint40","name":"timestamp","type":"uint40"},{"internalType":"uint40","name":"blockNumber","type":"uint40"}],"internalType":"struct Lib_OVMCodec.QueueElement","name":"_element","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getQueueLength","outputs":[{"internalType":"uint40","name":"","type":"uint40"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTotalBatches","outputs":[{"internalType":"uint256","name":"_totalBatches","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTotalElements","outputs":[{"internalType":"uint256","name":"_totalElements","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"l2GasDiscountDivisor","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"libAddressManager","outputs":[{"internalType":"contract Lib_AddressManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxTransactionGasLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"resolve","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_l2GasDiscountDivisor","type":"uint256"},{"internalType":"uint256","name":"_enqueueGasCost","type":"uint256"}],"name":"setGasParams","outputs":[],"stateMutability":"nonpayable","type":"function"}], address: '0x607F755149cFEB3a14E1Dc3A4E2450Cde7dfb04D' }
+const goerli__ChainStorageContainer_CTC_batches = { abi: [{"inputs":[{"internalType":"address","name":"_libAddressManager","type":"address"},{"internalType":"string","name":"_owner","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"},{"internalType":"bytes27","name":"_globalMetadata","type":"bytes27"}],"name":"deleteElementsAfterInclusive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"deleteElementsAfterInclusive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"get","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getGlobalMetadata","outputs":[{"internalType":"bytes27","name":"","type":"bytes27"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"length","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"libAddressManager","outputs":[{"internalType":"contract Lib_AddressManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_object","type":"bytes32"},{"internalType":"bytes27","name":"_globalMetadata","type":"bytes27"}],"name":"push","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_object","type":"bytes32"}],"name":"push","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"resolve","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes27","name":"_globalMetadata","type":"bytes27"}],"name":"setGlobalMetadata","outputs":[],"stateMutability":"nonpayable","type":"function"}], address: '0x4325Ac17c7fF5Afc0d05335dD30Db3D010455813' }
+const goerli__ChainStorageContainer_SCC_batches = { abi: [{"inputs":[{"internalType":"address","name":"_libAddressManager","type":"address"},{"internalType":"string","name":"_owner","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"},{"internalType":"bytes27","name":"_globalMetadata","type":"bytes27"}],"name":"deleteElementsAfterInclusive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"deleteElementsAfterInclusive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"get","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getGlobalMetadata","outputs":[{"internalType":"bytes27","name":"","type":"bytes27"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"length","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"libAddressManager","outputs":[{"internalType":"contract Lib_AddressManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_object","type":"bytes32"},{"internalType":"bytes27","name":"_globalMetadata","type":"bytes27"}],"name":"push","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_object","type":"bytes32"}],"name":"push","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"resolve","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes27","name":"_globalMetadata","type":"bytes27"}],"name":"setGlobalMetadata","outputs":[],"stateMutability":"nonpayable","type":"function"}], address: '0x41eF5DaF4A7719bfe89A88BA3DD0DCFF5feCeD39' }
+const goerli__ChugSplashDictator = { abi: [{"inputs":[{"internalType":"contract L1ChugSplashProxy","name":"_target","type":"address"},{"internalType":"address","name":"_finalOwner","type":"address"},{"internalType":"bytes32","name":"_codeHash","type":"bytes32"},{"internalType":"bytes32","name":"_messengerSlotKey","type":"bytes32"},{"internalType":"bytes32","name":"_messengerSlotVal","type":"bytes32"},{"internalType":"bytes32","name":"_bridgeSlotKey","type":"bytes32"},{"internalType":"bytes32","name":"_bridgeSlotVal","type":"bytes32"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"bridgeSlotKey","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bridgeSlotVal","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"codeHash","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"_code","type":"bytes"}],"name":"doActions","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"finalOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isUpgrading","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"messengerSlotKey","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"messengerSlotVal","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"returnOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"target","outputs":[{"internalType":"contract L1ChugSplashProxy","name":"","type":"address"}],"stateMutability":"view","type":"function"}], address: '0x0e62FAf76a0239827f35f41478b521293e06195a' }
+const goerli__L1StandardBridge_for_verification_only = { abi: [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_l1Token","type":"address"},{"indexed":true,"internalType":"address","name":"_l2Token","type":"address"},{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":false,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"_data","type":"bytes"}],"name":"ERC20DepositInitiated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_l1Token","type":"address"},{"indexed":true,"internalType":"address","name":"_l2Token","type":"address"},{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":false,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"_data","type":"bytes"}],"name":"ERC20WithdrawalFinalized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"_data","type":"bytes"}],"name":"ETHDepositInitiated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"_data","type":"bytes"}],"name":"ETHWithdrawalFinalized","type":"event"},{"inputs":[{"internalType":"address","name":"_l1Token","type":"address"},{"internalType":"address","name":"_l2Token","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint32","name":"_l2Gas","type":"uint32"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"depositERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_l1Token","type":"address"},{"internalType":"address","name":"_l2Token","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint32","name":"_l2Gas","type":"uint32"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"depositERC20To","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint32","name":"_l2Gas","type":"uint32"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"depositETH","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint32","name":"_l2Gas","type":"uint32"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"depositETHTo","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"deposits","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"donateETH","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_l1Token","type":"address"},{"internalType":"address","name":"_l2Token","type":"address"},{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"finalizeERC20Withdrawal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"finalizeETHWithdrawal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_l1messenger","type":"address"},{"internalType":"address","name":"_l2TokenBridge","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"l2TokenBridge","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"messenger","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}], address: '0x65DD71354923A51fC00DaE41A39F37eBB66549d4' }
+const goerli__Lib_AddressManager = { abi: [{"anonymous":false,"inputs":[{"indexed":true,"internalType":"string","name":"_name","type":"string"},{"indexed":false,"internalType":"address","name":"_newAddress","type":"address"},{"indexed":false,"internalType":"address","name":"_oldAddress","type":"address"}],"name":"AddressSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"getAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"address","name":"_address","type":"address"}],"name":"setAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}], address: '0xa6f73589243a6A7a9023b1Fa0651b1d89c177111' }
+const goerli__OVM_L1CrossDomainMessenger = { abi: [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"msgHash","type":"bytes32"}],"name":"FailedRelayedMessage","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"_xDomainCalldataHash","type":"bytes32"}],"name":"MessageAllowed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"_xDomainCalldataHash","type":"bytes32"}],"name":"MessageBlocked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"msgHash","type":"bytes32"}],"name":"RelayedMessage","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"target","type":"address"},{"indexed":false,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"bytes","name":"message","type":"bytes"},{"indexed":false,"internalType":"uint256","name":"messageNonce","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"gasLimit","type":"uint256"}],"name":"SentMessage","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[{"internalType":"bytes32","name":"_xDomainCalldataHash","type":"bytes32"}],"name":"allowMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_xDomainCalldataHash","type":"bytes32"}],"name":"blockMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"blockedMessages","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_libAddressManager","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"libAddressManager","outputs":[{"internalType":"contract Lib_AddressManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_target","type":"address"},{"internalType":"address","name":"_sender","type":"address"},{"internalType":"bytes","name":"_message","type":"bytes"},{"internalType":"uint256","name":"_messageNonce","type":"uint256"},{"components":[{"internalType":"bytes32","name":"stateRoot","type":"bytes32"},{"components":[{"internalType":"uint256","name":"batchIndex","type":"uint256"},{"internalType":"bytes32","name":"batchRoot","type":"bytes32"},{"internalType":"uint256","name":"batchSize","type":"uint256"},{"internalType":"uint256","name":"prevTotalElements","type":"uint256"},{"internalType":"bytes","name":"extraData","type":"bytes"}],"internalType":"struct Lib_OVMCodec.ChainBatchHeader","name":"stateRootBatchHeader","type":"tuple"},{"components":[{"internalType":"uint256","name":"index","type":"uint256"},{"internalType":"bytes32[]","name":"siblings","type":"bytes32[]"}],"internalType":"struct Lib_OVMCodec.ChainInclusionProof","name":"stateRootProof","type":"tuple"},{"internalType":"bytes","name":"stateTrieWitness","type":"bytes"},{"internalType":"bytes","name":"storageTrieWitness","type":"bytes"}],"internalType":"struct IL1CrossDomainMessenger.L2MessageInclusionProof","name":"_proof","type":"tuple"}],"name":"relayMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"relayedMessages","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_target","type":"address"},{"internalType":"address","name":"_sender","type":"address"},{"internalType":"bytes","name":"_message","type":"bytes"},{"internalType":"uint256","name":"_queueIndex","type":"uint256"},{"internalType":"uint32","name":"_oldGasLimit","type":"uint32"},{"internalType":"uint32","name":"_newGasLimit","type":"uint32"}],"name":"replayMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"resolve","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_target","type":"address"},{"internalType":"bytes","name":"_message","type":"bytes"},{"internalType":"uint32","name":"_gasLimit","type":"uint32"}],"name":"sendMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"successfulMessages","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"xDomainMessageSender","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}], address: '0x2eB424e0930E93Cf250e488f6117a929714Bb928' }
+const goerli__Proxy__OVM_L1CrossDomainMessenger = { abi: [{"inputs":[{"internalType":"address","name":"_libAddressManager","type":"address"},{"internalType":"string","name":"_implementationName","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"}], address: '0x5086d1eEF304eb5284A0f6720f79403b4e9bE294' }
+const goerli__Proxy__OVM_L1StandardBridge = { abi: [{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"getImplementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"_code","type":"bytes"}],"name":"setCode","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"setOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_key","type":"bytes32"},{"internalType":"bytes32","name":"_value","type":"bytes32"}],"name":"setStorage","outputs":[],"stateMutability":"nonpayable","type":"function"}], address: '0x636Af16bf2f682dD3109e60102b8E1A089FedAa8' }
+const goerli__StateCommitmentChain = { abi: [{"inputs":[{"internalType":"address","name":"_libAddressManager","type":"address"},{"internalType":"uint256","name":"_fraudProofWindow","type":"uint256"},{"internalType":"uint256","name":"_sequencerPublishWindow","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"_batchIndex","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"_batchRoot","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"_batchSize","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_prevTotalElements","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"_extraData","type":"bytes"}],"name":"StateBatchAppended","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"_batchIndex","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"_batchRoot","type":"bytes32"}],"name":"StateBatchDeleted","type":"event"},{"inputs":[],"name":"FRAUD_PROOF_WINDOW","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SEQUENCER_PUBLISH_WINDOW","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"_batch","type":"bytes32[]"},{"internalType":"uint256","name":"_shouldStartAtElement","type":"uint256"}],"name":"appendStateBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"batches","outputs":[{"internalType":"contract IChainStorageContainer","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint256","name":"batchIndex","type":"uint256"},{"internalType":"bytes32","name":"batchRoot","type":"bytes32"},{"internalType":"uint256","name":"batchSize","type":"uint256"},{"internalType":"uint256","name":"prevTotalElements","type":"uint256"},{"internalType":"bytes","name":"extraData","type":"bytes"}],"internalType":"struct Lib_OVMCodec.ChainBatchHeader","name":"_batchHeader","type":"tuple"}],"name":"deleteStateBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getLastSequencerTimestamp","outputs":[{"internalType":"uint256","name":"_lastSequencerTimestamp","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTotalBatches","outputs":[{"internalType":"uint256","name":"_totalBatches","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTotalElements","outputs":[{"internalType":"uint256","name":"_totalElements","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint256","name":"batchIndex","type":"uint256"},{"internalType":"bytes32","name":"batchRoot","type":"bytes32"},{"internalType":"uint256","name":"batchSize","type":"uint256"},{"internalType":"uint256","name":"prevTotalElements","type":"uint256"},{"internalType":"bytes","name":"extraData","type":"bytes"}],"internalType":"struct Lib_OVMCodec.ChainBatchHeader","name":"_batchHeader","type":"tuple"}],"name":"insideFraudProofWindow","outputs":[{"internalType":"bool","name":"_inside","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"libAddressManager","outputs":[{"internalType":"contract Lib_AddressManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"resolve","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_element","type":"bytes32"},{"components":[{"internalType":"uint256","name":"batchIndex","type":"uint256"},{"internalType":"bytes32","name":"batchRoot","type":"bytes32"},{"internalType":"uint256","name":"batchSize","type":"uint256"},{"internalType":"uint256","name":"prevTotalElements","type":"uint256"},{"internalType":"bytes","name":"extraData","type":"bytes"}],"internalType":"struct Lib_OVMCodec.ChainBatchHeader","name":"_batchHeader","type":"tuple"},{"components":[{"internalType":"uint256","name":"index","type":"uint256"},{"internalType":"bytes32[]","name":"siblings","type":"bytes32[]"}],"internalType":"struct Lib_OVMCodec.ChainInclusionProof","name":"_proof","type":"tuple"}],"name":"verifyStateCommitment","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}], address: '0x9c945aC97Baf48cB784AbBB61399beB71aF7A378' }
+const mainnet__AddressDictator = { abi: [{"inputs":[{"internalType":"contract Lib_AddressManager","name":"_manager","type":"address"},{"internalType":"address","name":"_finalOwner","type":"address"},{"internalType":"string[]","name":"_names","type":"string[]"},{"internalType":"address[]","name":"_addresses","type":"address[]"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"finalOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNamedAddresses","outputs":[{"components":[{"internalType":"string","name":"name","type":"string"},{"internalType":"address","name":"addr","type":"address"}],"internalType":"struct AddressDictator.NamedAddress[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"manager","outputs":[{"internalType":"contract Lib_AddressManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"returnOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"setAddresses","outputs":[],"stateMutability":"nonpayable","type":"function"}], address: '0x7a74f7934a233e10E8757264132B2E4EbccF5098' }
+const mainnet__BondManager = { abi: [{"inputs":[{"internalType":"address","name":"_libAddressManager","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"_who","type":"address"}],"name":"isCollateralized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"libAddressManager","outputs":[{"internalType":"contract Lib_AddressManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"resolve","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}], address: '0xcd626E1328b41fCF24737F137BcD4CE0c32bc8d1' }
+const mainnet__CanonicalTransactionChain = { abi: [{"inputs":[{"internalType":"address","name":"_libAddressManager","type":"address"},{"internalType":"uint256","name":"_maxTransactionGasLimit","type":"uint256"},{"internalType":"uint256","name":"_l2GasDiscountDivisor","type":"uint256"},{"internalType":"uint256","name":"_enqueueGasCost","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"l2GasDiscountDivisor","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"enqueueGasCost","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"enqueueL2GasPrepaid","type":"uint256"}],"name":"L2GasParamsUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_startingQueueIndex","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_numQueueElements","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_totalElements","type":"uint256"}],"name":"QueueBatchAppended","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_startingQueueIndex","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_numQueueElements","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_totalElements","type":"uint256"}],"name":"SequencerBatchAppended","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"_batchIndex","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"_batchRoot","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"_batchSize","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_prevTotalElements","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"_extraData","type":"bytes"}],"name":"TransactionBatchAppended","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_l1TxOrigin","type":"address"},{"indexed":true,"internalType":"address","name":"_target","type":"address"},{"indexed":false,"internalType":"uint256","name":"_gasLimit","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"_data","type":"bytes"},{"indexed":true,"internalType":"uint256","name":"_queueIndex","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_timestamp","type":"uint256"}],"name":"TransactionEnqueued","type":"event"},{"inputs":[],"name":"MAX_ROLLUP_TX_SIZE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MIN_ROLLUP_TX_GAS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"appendSequencerBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"batches","outputs":[{"internalType":"contract IChainStorageContainer","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_target","type":"address"},{"internalType":"uint256","name":"_gasLimit","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"enqueue","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"enqueueGasCost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"enqueueL2GasPrepaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLastBlockNumber","outputs":[{"internalType":"uint40","name":"","type":"uint40"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLastTimestamp","outputs":[{"internalType":"uint40","name":"","type":"uint40"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNextQueueIndex","outputs":[{"internalType":"uint40","name":"","type":"uint40"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNumPendingQueueElements","outputs":[{"internalType":"uint40","name":"","type":"uint40"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"getQueueElement","outputs":[{"components":[{"internalType":"bytes32","name":"transactionHash","type":"bytes32"},{"internalType":"uint40","name":"timestamp","type":"uint40"},{"internalType":"uint40","name":"blockNumber","type":"uint40"}],"internalType":"struct Lib_OVMCodec.QueueElement","name":"_element","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getQueueLength","outputs":[{"internalType":"uint40","name":"","type":"uint40"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTotalBatches","outputs":[{"internalType":"uint256","name":"_totalBatches","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTotalElements","outputs":[{"internalType":"uint256","name":"_totalElements","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"l2GasDiscountDivisor","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"libAddressManager","outputs":[{"internalType":"contract Lib_AddressManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxTransactionGasLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"resolve","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_l2GasDiscountDivisor","type":"uint256"},{"internalType":"uint256","name":"_enqueueGasCost","type":"uint256"}],"name":"setGasParams","outputs":[],"stateMutability":"nonpayable","type":"function"}], address: '0x5E4e65926BA27467555EB562121fac00D24E9dD2' }
+const mainnet__ChainStorageContainer_CTC_batches = { abi: [{"inputs":[{"internalType":"address","name":"_libAddressManager","type":"address"},{"internalType":"string","name":"_owner","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"},{"internalType":"bytes27","name":"_globalMetadata","type":"bytes27"}],"name":"deleteElementsAfterInclusive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"deleteElementsAfterInclusive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"get","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getGlobalMetadata","outputs":[{"internalType":"bytes27","name":"","type":"bytes27"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"length","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"libAddressManager","outputs":[{"internalType":"contract Lib_AddressManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_object","type":"bytes32"},{"internalType":"bytes27","name":"_globalMetadata","type":"bytes27"}],"name":"push","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_object","type":"bytes32"}],"name":"push","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"resolve","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes27","name":"_globalMetadata","type":"bytes27"}],"name":"setGlobalMetadata","outputs":[],"stateMutability":"nonpayable","type":"function"}], address: '0xD16463EF9b0338CE3D73309028ef1714D220c024' }
+const mainnet__ChainStorageContainer_SCC_batches = { abi: [{"inputs":[{"internalType":"address","name":"_libAddressManager","type":"address"},{"internalType":"string","name":"_owner","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"},{"internalType":"bytes27","name":"_globalMetadata","type":"bytes27"}],"name":"deleteElementsAfterInclusive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"deleteElementsAfterInclusive","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"get","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getGlobalMetadata","outputs":[{"internalType":"bytes27","name":"","type":"bytes27"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"length","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"libAddressManager","outputs":[{"internalType":"contract Lib_AddressManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_object","type":"bytes32"},{"internalType":"bytes27","name":"_globalMetadata","type":"bytes27"}],"name":"push","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_object","type":"bytes32"}],"name":"push","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"resolve","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes27","name":"_globalMetadata","type":"bytes27"}],"name":"setGlobalMetadata","outputs":[],"stateMutability":"nonpayable","type":"function"}], address: '0xb0ddFf09c4019e31960de11bD845E836078E8EbE' }
+const mainnet__ChugSplashDictator = { abi: [{"inputs":[{"internalType":"contract L1ChugSplashProxy","name":"_target","type":"address"},{"internalType":"address","name":"_finalOwner","type":"address"},{"internalType":"bytes32","name":"_codeHash","type":"bytes32"},{"internalType":"bytes32","name":"_messengerSlotKey","type":"bytes32"},{"internalType":"bytes32","name":"_messengerSlotVal","type":"bytes32"},{"internalType":"bytes32","name":"_bridgeSlotKey","type":"bytes32"},{"internalType":"bytes32","name":"_bridgeSlotVal","type":"bytes32"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"bridgeSlotKey","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"bridgeSlotVal","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"codeHash","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"_code","type":"bytes"}],"name":"doActions","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"finalOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isUpgrading","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"messengerSlotKey","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"messengerSlotVal","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"returnOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"target","outputs":[{"internalType":"contract L1ChugSplashProxy","name":"","type":"address"}],"stateMutability":"view","type":"function"}], address: '0xD86065136E3ab1e3FCBbf47B59404c08A431051A' }
+const mainnet__L1StandardBridge_for_verification_only = { abi: [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_l1Token","type":"address"},{"indexed":true,"internalType":"address","name":"_l2Token","type":"address"},{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":false,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"_data","type":"bytes"}],"name":"ERC20DepositInitiated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_l1Token","type":"address"},{"indexed":true,"internalType":"address","name":"_l2Token","type":"address"},{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":false,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"_data","type":"bytes"}],"name":"ERC20WithdrawalFinalized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"_data","type":"bytes"}],"name":"ETHDepositInitiated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_to","type":"address"},{"indexed":false,"internalType":"uint256","name":"_amount","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"_data","type":"bytes"}],"name":"ETHWithdrawalFinalized","type":"event"},{"inputs":[{"internalType":"address","name":"_l1Token","type":"address"},{"internalType":"address","name":"_l2Token","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint32","name":"_l2Gas","type":"uint32"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"depositERC20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_l1Token","type":"address"},{"internalType":"address","name":"_l2Token","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint32","name":"_l2Gas","type":"uint32"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"depositERC20To","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint32","name":"_l2Gas","type":"uint32"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"depositETH","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint32","name":"_l2Gas","type":"uint32"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"depositETHTo","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"deposits","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"donateETH","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_l1Token","type":"address"},{"internalType":"address","name":"_l2Token","type":"address"},{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"finalizeERC20Withdrawal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"finalizeETHWithdrawal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_l1messenger","type":"address"},{"internalType":"address","name":"_l2TokenBridge","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"l2TokenBridge","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"messenger","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}], address: '0x29Ea454F8f2750e345E52e302A0c09f1A5215AC7' }
+const mainnet__Lib_AddressManager = { abi: [{"anonymous":false,"inputs":[{"indexed":true,"internalType":"string","name":"_name","type":"string"},{"indexed":false,"internalType":"address","name":"_newAddress","type":"address"},{"indexed":false,"internalType":"address","name":"_oldAddress","type":"address"}],"name":"AddressSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"getAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"address","name":"_address","type":"address"}],"name":"setAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}], address: '0xdE1FCfB0851916CA5101820A69b13a4E276bd81F' }
+const mainnet__OVM_L1CrossDomainMessenger = { abi: [{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"msgHash","type":"bytes32"}],"name":"FailedRelayedMessage","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"_xDomainCalldataHash","type":"bytes32"}],"name":"MessageAllowed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"_xDomainCalldataHash","type":"bytes32"}],"name":"MessageBlocked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"msgHash","type":"bytes32"}],"name":"RelayedMessage","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"target","type":"address"},{"indexed":false,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"bytes","name":"message","type":"bytes"},{"indexed":false,"internalType":"uint256","name":"messageNonce","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"gasLimit","type":"uint256"}],"name":"SentMessage","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[{"internalType":"bytes32","name":"_xDomainCalldataHash","type":"bytes32"}],"name":"allowMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_xDomainCalldataHash","type":"bytes32"}],"name":"blockMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"blockedMessages","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_libAddressManager","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"libAddressManager","outputs":[{"internalType":"contract Lib_AddressManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_target","type":"address"},{"internalType":"address","name":"_sender","type":"address"},{"internalType":"bytes","name":"_message","type":"bytes"},{"internalType":"uint256","name":"_messageNonce","type":"uint256"},{"components":[{"internalType":"bytes32","name":"stateRoot","type":"bytes32"},{"components":[{"internalType":"uint256","name":"batchIndex","type":"uint256"},{"internalType":"bytes32","name":"batchRoot","type":"bytes32"},{"internalType":"uint256","name":"batchSize","type":"uint256"},{"internalType":"uint256","name":"prevTotalElements","type":"uint256"},{"internalType":"bytes","name":"extraData","type":"bytes"}],"internalType":"struct Lib_OVMCodec.ChainBatchHeader","name":"stateRootBatchHeader","type":"tuple"},{"components":[{"internalType":"uint256","name":"index","type":"uint256"},{"internalType":"bytes32[]","name":"siblings","type":"bytes32[]"}],"internalType":"struct Lib_OVMCodec.ChainInclusionProof","name":"stateRootProof","type":"tuple"},{"internalType":"bytes","name":"stateTrieWitness","type":"bytes"},{"internalType":"bytes","name":"storageTrieWitness","type":"bytes"}],"internalType":"struct IL1CrossDomainMessenger.L2MessageInclusionProof","name":"_proof","type":"tuple"}],"name":"relayMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"relayedMessages","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_target","type":"address"},{"internalType":"address","name":"_sender","type":"address"},{"internalType":"bytes","name":"_message","type":"bytes"},{"internalType":"uint256","name":"_queueIndex","type":"uint256"},{"internalType":"uint32","name":"_oldGasLimit","type":"uint32"},{"internalType":"uint32","name":"_newGasLimit","type":"uint32"}],"name":"replayMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"resolve","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_target","type":"address"},{"internalType":"bytes","name":"_message","type":"bytes"},{"internalType":"uint32","name":"_gasLimit","type":"uint32"}],"name":"sendMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"successfulMessages","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"xDomainMessageSender","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}], address: '0xd9166833FF12A5F900ccfBf2c8B62a90F1Ca1FD5' }
+const mainnet__Proxy__OVM_L1CrossDomainMessenger = { abi: [{"inputs":[{"internalType":"address","name":"_libAddressManager","type":"address"},{"internalType":"string","name":"_implementationName","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"}], address: '0x25ace71c97B33Cc4729CF772ae268934F7ab5fA1' }
+const mainnet__Proxy__OVM_L1StandardBridge = { abi: [{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"getImplementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes","name":"_code","type":"bytes"}],"name":"setCode","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"setOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_key","type":"bytes32"},{"internalType":"bytes32","name":"_value","type":"bytes32"}],"name":"setStorage","outputs":[],"stateMutability":"nonpayable","type":"function"}], address: '0x99C9fc46f92E8a1c0deC1b1747d010903E884bE1' }
+const mainnet__StateCommitmentChain = { abi: [{"inputs":[{"internalType":"address","name":"_libAddressManager","type":"address"},{"internalType":"uint256","name":"_fraudProofWindow","type":"uint256"},{"internalType":"uint256","name":"_sequencerPublishWindow","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"_batchIndex","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"_batchRoot","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"_batchSize","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_prevTotalElements","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"_extraData","type":"bytes"}],"name":"StateBatchAppended","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"_batchIndex","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"_batchRoot","type":"bytes32"}],"name":"StateBatchDeleted","type":"event"},{"inputs":[],"name":"FRAUD_PROOF_WINDOW","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SEQUENCER_PUBLISH_WINDOW","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"_batch","type":"bytes32[]"},{"internalType":"uint256","name":"_shouldStartAtElement","type":"uint256"}],"name":"appendStateBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"batches","outputs":[{"internalType":"contract IChainStorageContainer","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint256","name":"batchIndex","type":"uint256"},{"internalType":"bytes32","name":"batchRoot","type":"bytes32"},{"internalType":"uint256","name":"batchSize","type":"uint256"},{"internalType":"uint256","name":"prevTotalElements","type":"uint256"},{"internalType":"bytes","name":"extraData","type":"bytes"}],"internalType":"struct Lib_OVMCodec.ChainBatchHeader","name":"_batchHeader","type":"tuple"}],"name":"deleteStateBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getLastSequencerTimestamp","outputs":[{"internalType":"uint256","name":"_lastSequencerTimestamp","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTotalBatches","outputs":[{"internalType":"uint256","name":"_totalBatches","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTotalElements","outputs":[{"internalType":"uint256","name":"_totalElements","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint256","name":"batchIndex","type":"uint256"},{"internalType":"bytes32","name":"batchRoot","type":"bytes32"},{"internalType":"uint256","name":"batchSize","type":"uint256"},{"internalType":"uint256","name":"prevTotalElements","type":"uint256"},{"internalType":"bytes","name":"extraData","type":"bytes"}],"internalType":"struct Lib_OVMCodec.ChainBatchHeader","name":"_batchHeader","type":"tuple"}],"name":"insideFraudProofWindow","outputs":[{"internalType":"bool","name":"_inside","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"libAddressManager","outputs":[{"internalType":"contract Lib_AddressManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"resolve","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_element","type":"bytes32"},{"components":[{"internalType":"uint256","name":"batchIndex","type":"uint256"},{"internalType":"bytes32","name":"batchRoot","type":"bytes32"},{"internalType":"uint256","name":"batchSize","type":"uint256"},{"internalType":"uint256","name":"prevTotalElements","type":"uint256"},{"internalType":"bytes","name":"extraData","type":"bytes"}],"internalType":"struct Lib_OVMCodec.ChainBatchHeader","name":"_batchHeader","type":"tuple"},{"components":[{"internalType":"uint256","name":"index","type":"uint256"},{"internalType":"bytes32[]","name":"siblings","type":"bytes32[]"}],"internalType":"struct Lib_OVMCodec.ChainInclusionProof","name":"_proof","type":"tuple"}],"name":"verifyStateCommitment","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}], address: '0xBe5dAb4A2e9cd0F27300dB4aB94BeE3A233AEB19' }
+const mainnet__TeleportrDeposit = { abi: [{"inputs":[{"internalType":"uint256","name":"_minDepositAmount","type":"uint256"},{"internalType":"uint256","name":"_maxDepositAmount","type":"uint256"},{"internalType":"uint256","name":"_maxBalance","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"uint256","name":"balance","type":"uint256"}],"name":"BalanceWithdrawn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"depositId","type":"uint256"},{"indexed":true,"internalType":"address","name":"emitter","type":"address"},{"indexed":true,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"EtherReceived","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"previousBalance","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newBalance","type":"uint256"}],"name":"MaxBalanceSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"previousAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newAmount","type":"uint256"}],"name":"MaxDepositAmountSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"previousAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newAmount","type":"uint256"}],"name":"MinDepositAmountSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"maxBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxDepositAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"minDepositAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxDepositAmount","type":"uint256"}],"name":"setMaxAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxBalance","type":"uint256"}],"name":"setMaxBalance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_minDepositAmount","type":"uint256"}],"name":"setMinAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalDeposits","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawBalance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}], address: '0x52ec2F3d7C5977A8E558C8D9C6000B615098E8fC' }
+
+  export const getDeployedContractArtifact = (name: string, network: string): any => {
+    return {
+      goerli__AddressDictator,
+goerli__BondManager,
+goerli__CanonicalTransactionChain,
+goerli__ChainStorageContainer_CTC_batches,
+goerli__ChainStorageContainer_SCC_batches,
+goerli__ChugSplashDictator,
+goerli__L1StandardBridge_for_verification_only,
+goerli__Lib_AddressManager,
+goerli__OVM_L1CrossDomainMessenger,
+goerli__Proxy__OVM_L1CrossDomainMessenger,
+goerli__Proxy__OVM_L1StandardBridge,
+goerli__StateCommitmentChain,
+mainnet__AddressDictator,
+mainnet__BondManager,
+mainnet__CanonicalTransactionChain,
+mainnet__ChainStorageContainer_CTC_batches,
+mainnet__ChainStorageContainer_SCC_batches,
+mainnet__ChugSplashDictator,
+mainnet__L1StandardBridge_for_verification_only,
+mainnet__Lib_AddressManager,
+mainnet__OVM_L1CrossDomainMessenger,
+mainnet__Proxy__OVM_L1CrossDomainMessenger,
+mainnet__Proxy__OVM_L1StandardBridge,
+mainnet__StateCommitmentChain,
+mainnet__TeleportrDeposit
+    }[(network + '__' + name).replace(/-/g, '_')]
+  }
+  
\ No newline at end of file
diff --git a/packages/contracts/standards/AddressAliasHelper.sol b/packages/contracts/standards/AddressAliasHelper.sol
new file mode 100644
index 0000000000000..6a4edefae3e9f
--- /dev/null
+++ b/packages/contracts/standards/AddressAliasHelper.sol
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: Apache-2.0
+
+/*
+ * Copyright 2019-2021, Offchain Labs, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+pragma solidity ^0.8.7;
+
+library AddressAliasHelper {
+    uint160 constant offset = uint160(0x1111000000000000000000000000000000001111);
+
+    /// @notice Utility function that converts the address in the L1 that submitted a tx to
+    /// the inbox to the msg.sender viewed in the L2
+    /// @param l1Address the address in the L1 that triggered the tx to L2
+    /// @return l2Address L2 address as viewed in msg.sender
+    function applyL1ToL2Alias(address l1Address) internal pure returns (address l2Address) {
+        unchecked {
+            l2Address = address(uint160(l1Address) + offset);
+        }
+    }
+
+    /// @notice Utility function that converts the msg.sender viewed in the L2 to the
+    /// address in the L1 that submitted a tx to the inbox
+    /// @param l2Address L2 address as viewed in msg.sender
+    /// @return l1Address the address in the L1 that triggered the tx to L2
+    function undoL1ToL2Alias(address l2Address) internal pure returns (address l1Address) {
+        unchecked {
+            l1Address = address(uint160(l2Address) - offset);
+        }
+    }
+}
diff --git a/packages/contracts/standards/IL2StandardERC20.sol b/packages/contracts/standards/IL2StandardERC20.sol
new file mode 100644
index 0000000000000..efa20278559e8
--- /dev/null
+++ b/packages/contracts/standards/IL2StandardERC20.sol
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
+import { IERC165 } from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
+
+interface IL2StandardERC20 is IERC20, IERC165 {
+    function l1Token() external returns (address);
+
+    function mint(address _to, uint256 _amount) external;
+
+    function burn(address _from, uint256 _amount) external;
+
+    event Mint(address indexed _account, uint256 _amount);
+    event Burn(address indexed _account, uint256 _amount);
+}
diff --git a/packages/contracts/standards/L2StandardERC20.sol b/packages/contracts/standards/L2StandardERC20.sol
new file mode 100644
index 0000000000000..755e526758319
--- /dev/null
+++ b/packages/contracts/standards/L2StandardERC20.sol
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.9;
+
+import { ERC20 } from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+import "./IL2StandardERC20.sol";
+
+contract L2StandardERC20 is IL2StandardERC20, ERC20 {
+    address public l1Token;
+    address public l2Bridge;
+
+    /**
+     * @param _l2Bridge Address of the L2 standard bridge.
+     * @param _l1Token Address of the corresponding L1 token.
+     * @param _name ERC20 name.
+     * @param _symbol ERC20 symbol.
+     */
+    constructor(
+        address _l2Bridge,
+        address _l1Token,
+        string memory _name,
+        string memory _symbol
+    ) ERC20(_name, _symbol) {
+        l1Token = _l1Token;
+        l2Bridge = _l2Bridge;
+    }
+
+    modifier onlyL2Bridge() {
+        require(msg.sender == l2Bridge, "Only L2 Bridge can mint and burn");
+        _;
+    }
+
+    // slither-disable-next-line external-function
+    function supportsInterface(bytes4 _interfaceId) public pure returns (bool) {
+        bytes4 firstSupportedInterface = bytes4(keccak256("supportsInterface(bytes4)")); // ERC165
+        bytes4 secondSupportedInterface = IL2StandardERC20.l1Token.selector ^
+            IL2StandardERC20.mint.selector ^
+            IL2StandardERC20.burn.selector;
+        return _interfaceId == firstSupportedInterface || _interfaceId == secondSupportedInterface;
+    }
+
+    // slither-disable-next-line external-function
+    function mint(address _to, uint256 _amount) public virtual onlyL2Bridge {
+        _mint(_to, _amount);
+
+        emit Mint(_to, _amount);
+    }
+
+    // slither-disable-next-line external-function
+    function burn(address _from, uint256 _amount) public virtual onlyL2Bridge {
+        _burn(_from, _amount);
+
+        emit Burn(_from, _amount);
+    }
+}