diff --git a/rust/Cargo.lock b/rust/Cargo.lock
index 8ce8eea..f3ba45c 100644
--- a/rust/Cargo.lock
+++ b/rust/Cargo.lock
@@ -17,6 +17,17 @@ version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
 
+[[package]]
+name = "ahash"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "891477e0c6a8957309ee5c45a6368af3ae14bb510732d2684ffa19af310920f9"
+dependencies = [
+ "getrandom 0.2.15",
+ "once_cell",
+ "version_check",
+]
+
 [[package]]
 name = "ahash"
 version = "0.8.11"
@@ -123,7 +134,7 @@ dependencies = [
  "anchor-syn",
  "anyhow",
  "bs58",
- "heck",
+ "heck 0.3.3",
  "proc-macro2",
  "quote",
  "serde_json",
@@ -196,7 +207,7 @@ checksum = "32e8599d21995f68e296265aa5ab0c3cef582fd58afec014d01bd0bce18a4418"
 dependencies = [
  "anchor-lang-idl-spec",
  "anyhow",
- "heck",
+ "heck 0.3.3",
  "serde",
  "serde_json",
  "sha2 0.10.8",
@@ -220,7 +231,7 @@ checksum = "564685b759db12a2424d1b2688cfdf0fec26a023813bc461274754fb0e5d97b0"
 dependencies = [
  "anyhow",
  "bs58",
- "heck",
+ "heck 0.3.3",
  "proc-macro2",
  "quote",
  "serde",
@@ -470,6 +481,18 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "bitvec"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bc2832c24239b0141d5674bb9174f9d68a8b5b3f2753311927c172ca46f7e9c"
+dependencies = [
+ "funty",
+ "radium",
+ "tap",
+ "wyz",
+]
+
 [[package]]
 name = "blake3"
 version = "1.6.1"
@@ -616,6 +639,28 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "bytecheck"
+version = "0.6.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23cdc57ce23ac53c931e88a43d06d070a6fd142f2617be5855eb75efc9beb1c2"
+dependencies = [
+ "bytecheck_derive",
+ "ptr_meta 0.1.4",
+ "simdutf8",
+]
+
+[[package]]
+name = "bytecheck_derive"
+version = "0.6.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3db406d29fbcd95542e92559bed4d8ad92636d1ca8b3b72ede10b4bcc010e659"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "bytemuck"
 version = "1.22.0"
@@ -1065,7 +1110,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a6503af7917fea18ffef8f7e8553fb8dff89e2e6837e94e09dd7fb069c82d62c"
 dependencies = [
  "bytes",
- "rkyv",
+ "rkyv 0.8.10",
  "serde",
  "simdutf8",
 ]
@@ -1137,6 +1182,12 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "funty"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e6d5a32815ae3f33302d95fdcb2ce17862f8c65363dcfd29360480ba1001fc9c"
+
 [[package]]
 name = "futures"
 version = "0.3.31"
@@ -1318,13 +1369,22 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+dependencies = [
+ "ahash 0.7.8",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "43a3c133739dddd0d2990f9a4bdf8eb4b21ef50e4851ca85ab661199821d510e"
 dependencies = [
- "ahash",
+ "ahash 0.8.11",
 ]
 
 [[package]]
@@ -1342,6 +1402,12 @@ dependencies = [
  "unicode-segmentation",
 ]
 
+[[package]]
+name = "heck"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
 [[package]]
 name = "hermit-abi"
 version = "0.1.19"
@@ -1929,8 +1995,6 @@ dependencies = [
 [[package]]
 name = "magicblock-delegation-program"
 version = "1.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0872a77d99b56077a799be5d3ebe8f01d03ab83c026daaf3772bdf312b347cf6"
 dependencies = [
  "bincode",
  "borsh 1.5.7",
@@ -1941,17 +2005,17 @@ dependencies = [
  "pinocchio-log 0.5.1",
  "pinocchio-pubkey 0.3.0",
  "pinocchio-system 0.3.0",
+ "rkyv 0.7.45",
  "solana-curve25519",
  "solana-program",
  "solana-security-txt",
+ "strum",
  "thiserror 1.0.69",
 ]
 
 [[package]]
 name = "magicblock-magic-program-api"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349b26eb6d819328dad699a6c9a26234548d366d9a30e7edf0d296180188ee27"
+version = "0.2.3"
 dependencies = [
  "bincode",
  "serde",
@@ -2379,13 +2443,33 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "ptr_meta"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0738ccf7ea06b608c10564b31debd4f5bc5e197fc8bfe088f68ae5ce81e7a4f1"
+dependencies = [
+ "ptr_meta_derive 0.1.4",
+]
+
 [[package]]
 name = "ptr_meta"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe9e76f66d3f9606f44e45598d155cb13ecf09f4a28199e48daf8c8fc937ea90"
 dependencies = [
- "ptr_meta_derive",
+ "ptr_meta_derive 0.3.0",
+]
+
+[[package]]
+name = "ptr_meta_derive"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16b845dbfca988fa33db069c0e230574d15a3088f147a87b64c7589eb662c9ac"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
 ]
 
 [[package]]
@@ -2417,13 +2501,19 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "radium"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc33ff2d4973d518d823d61aa239014831e521c75da58e3df4840d3f47749d09"
+
 [[package]]
 name = "rancor"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "caf5f7161924b9d1cea0e4cabc97c372cea92b5f927fc13c6bca67157a0ad947"
 dependencies = [
- "ptr_meta",
+ "ptr_meta 0.3.0",
 ]
 
 [[package]]
@@ -2555,6 +2645,15 @@ version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 
+[[package]]
+name = "rend"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71fe3824f5629716b1589be05dacd749f6aa084c87e00e016714a8cdfccc997c"
+dependencies = [
+ "bytecheck",
+]
+
 [[package]]
 name = "rend"
 version = "0.5.2"
@@ -2678,6 +2777,24 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "rkyv"
+version = "0.7.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9008cd6385b9e161d8229e1f6549dd23c3d022f132a2ea37ac3a10ac4935779b"
+dependencies = [
+ "bitvec",
+ "bytecheck",
+ "bytes",
+ "hashbrown 0.12.3",
+ "ptr_meta 0.1.4",
+ "rend 0.4.2",
+ "rkyv_derive 0.7.45",
+ "seahash",
+ "tinyvec",
+ "uuid",
+]
+
 [[package]]
 name = "rkyv"
 version = "0.8.10"
@@ -2688,14 +2805,25 @@ dependencies = [
  "hashbrown 0.15.2",
  "indexmap",
  "munge",
- "ptr_meta",
+ "ptr_meta 0.3.0",
  "rancor",
- "rend",
- "rkyv_derive",
+ "rend 0.5.2",
+ "rkyv_derive 0.8.10",
  "tinyvec",
  "uuid",
 ]
 
+[[package]]
+name = "rkyv_derive"
+version = "0.7.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "503d1d27590a2b0a3a4ca4c94755aa2875657196ecbf401a42eff41d7de532c0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "rkyv_derive"
 version = "0.8.10"
@@ -2857,6 +2985,12 @@ version = "3.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "584e070911c7017da6cb2eb0788d09f43d789029b5877d3e5ecc8acf86ceee21"
 
+[[package]]
+name = "seahash"
+version = "4.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c107b6f4780854c8b126e228ea8869f4d7b71260f962fefb57b996b8959ba6b"
+
 [[package]]
 name = "security-framework"
 version = "2.11.1"
@@ -3445,7 +3579,7 @@ version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "89e1d3b52b4a014efeaaab67f14e40af3972a4be61c523d612860db8e3145529"
 dependencies = [
- "ahash",
+ "ahash 0.8.11",
  "lazy_static",
  "solana-epoch-schedule",
  "solana-hash",
@@ -4701,6 +4835,27 @@ version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
+[[package]]
+name = "strum"
+version = "0.27.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af23d6f6c1a224baef9d3f61e287d2761385a5b88fdab4eb4c6f11aeb54c4bcf"
+dependencies = [
+ "strum_macros",
+]
+
+[[package]]
+name = "strum_macros"
+version = "0.27.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7695ce3845ea4b33927c055a39dc438a45b059f7c1b3d91d38d10355fb8cbca7"
+dependencies = [
+ "heck 0.5.0",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.100",
+]
+
 [[package]]
 name = "subtle"
 version = "2.6.1"
@@ -4797,6 +4952,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "tap"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
+
 [[package]]
 name = "task-local-extensions"
 version = "0.1.4"
@@ -5608,6 +5769,15 @@ version = "0.5.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e9df38ee2d2c3c5948ea468a8406ff0db0b29ae1ffde1bcf20ef305bcc95c51"
 
+[[package]]
+name = "wyz"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05f360fc0b24296329c78fda852a1e9ae82de9cf7b27dae4b7f62f118f77b9ed"
+dependencies = [
+ "tap",
+]
+
 [[package]]
 name = "yoke"
 version = "0.7.5"
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index 538cfd5..d0654c4 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -28,8 +28,8 @@ ephemeral-rollups-sdk-attribute-delegate = { path = "delegate", version = "=0.3.
 ephemeral-rollups-sdk-attribute-commit = { path = "commit-attribute", version = "=0.3.7" }
 
 # Magicblock
-magicblock-delegation-program = { version = "1.1.2", features = ["no-entrypoint"] }
-magicblock-magic-program-api = { version = "0.2.1" }
+magicblock-delegation-program = { path = "../../delegation-program", features = ["no-entrypoint"] }
+magicblock-magic-program-api = { path = "../../magicblock-validator/magicblock-magic-program-api" }
 
 ## External crates
 anchor-lang = { version = ">=0.28.0" }
diff --git a/rust/sdk/src/ephem.rs b/rust/sdk/src/ephem.rs
index d3e1f62..791eada 100644
--- a/rust/sdk/src/ephem.rs
+++ b/rust/sdk/src/ephem.rs
@@ -243,6 +243,11 @@ impl<'info> CallHandler<'info> {
     }
 }
 
+pub enum CommitPolicy {
+    UseDiff,
+    UseFullBytes
+}
+
 /// CPI to trigger a commit for one or more accounts in the ER
 #[inline(always)]
 pub fn commit_accounts<'a, 'info>(
@@ -251,7 +256,21 @@ pub fn commit_accounts<'a, 'info>(
     magic_context: &'a AccountInfo<'info>,
     magic_program: &'a AccountInfo<'info>,
 ) -> ProgramResult {
-    let ix = create_schedule_commit_ix(payer, &account_infos, magic_context, magic_program, false);
+    let ix = create_schedule_commit_ix(payer, &account_infos, magic_context, magic_program, false, CommitPolicy::UseFullBytes);
+    let mut all_accounts = vec![payer.clone(), magic_context.clone()];
+    all_accounts.extend(account_infos.into_iter().cloned());
+    invoke(&ix, &all_accounts)
+}
+
+/// CPI to trigger a commit and undelegate one or more accounts in the ER
+#[inline(always)]
+pub fn commit_diff_and_undelegate_accounts<'a, 'info>(
+    payer: &'a AccountInfo<'info>,
+    account_infos: Vec<&'a AccountInfo<'info>>,
+    magic_context: &'a AccountInfo<'info>,
+    magic_program: &'a AccountInfo<'info>,
+) -> ProgramResult {
+    let ix = create_schedule_commit_ix(payer, &account_infos, magic_context, magic_program, true, CommitPolicy::UseDiff);
     let mut all_accounts = vec![payer.clone(), magic_context.clone()];
     all_accounts.extend(account_infos.into_iter().cloned());
     invoke(&ix, &all_accounts)
@@ -265,7 +284,7 @@ pub fn commit_and_undelegate_accounts<'a, 'info>(
     magic_context: &'a AccountInfo<'info>,
     magic_program: &'a AccountInfo<'info>,
 ) -> ProgramResult {
-    let ix = create_schedule_commit_ix(payer, &account_infos, magic_context, magic_program, true);
+    let ix = create_schedule_commit_ix(payer, &account_infos, magic_context, magic_program, true, CommitPolicy::UseFullBytes);
     let mut all_accounts = vec![payer.clone(), magic_context.clone()];
     all_accounts.extend(account_infos.into_iter().cloned());
     invoke(&ix, &all_accounts)
@@ -277,10 +296,19 @@ pub fn create_schedule_commit_ix<'a, 'info>(
     magic_context: &'a AccountInfo<'info>,
     magic_program: &'a AccountInfo<'info>,
     allow_undelegation: bool,
+    commit_policy: CommitPolicy
 ) -> Instruction {
     let instruction = if allow_undelegation {
-        MagicBlockInstruction::ScheduleCommitAndUndelegate
+        if let CommitPolicy::UseDiff = commit_policy {
+            MagicBlockInstruction::ScheduleCommitDiffAndUndelegate
+        }
+        else {
+            MagicBlockInstruction::ScheduleCommitAndUndelegate
+        }
     } else {
+        if let CommitPolicy::UseDiff = commit_policy {
+            panic!("sdk: CommitPolicy::UseDiff not supported yet for ScheduleCommit");
+        }
         MagicBlockInstruction::ScheduleCommit
     };
     let mut account_metas = vec![
diff --git a/ts/web3js/package.json b/ts/web3js/package.json
index 6ccd9ff..86ad713 100644
--- a/ts/web3js/package.json
+++ b/ts/web3js/package.json
@@ -38,7 +38,9 @@
     "eslint-plugin-promise": "^6.2.0",
     "prettier": "^3.3.2",
     "rimraf": "^3.0.2",
-    "vitest": "^3.2.4"
+    "vitest": "^3.2.4",
+    "ts-jest": "^29.1.1",
+    "typescript": "5.3.0"
   },
   "dependencies": {
     "@metaplex-foundation/beet": "^0.7.2",