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link to arbitrum-docs, fix grammatical nits
0xallan Apr 22, 2025
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Merge branch 'main' into 0xallan-patch-1
0xallan May 6, 2025
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8 changes: 5 additions & 3 deletions scripts/foundry/contract-upgrades/3.1.0/README.md
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@@ -1,6 +1,6 @@
# Nitro contracts 3.1.0 upgrade

To upgrade to Nitro contracts 3.1.0 (BoLD), you will need to use the [BOLDUpgradeAction](https://github.com/OffchainLabs/nitro-contracts/blob/main/src/rollup/BOLDUpgradeAction.sol) from the [nitro-contract](https://github.com/OffchainLabs/nitro-contracts) repo.
To upgrade to Nitro contracts 3.1.0 (BoLD), you will need to use the [BOLDUpgradeAction](https://github.com/OffchainLabs/nitro-contracts/blob/main/src/rollup/BOLDUpgradeAction.sol) from the [nitro-contracts](https://github.com/OffchainLabs/nitro-contracts) repo.

BOLDUpgradeAction will perform the following actions:

Expand All @@ -9,11 +9,11 @@ BOLDUpgradeAction will perform the following actions:
3. Migrate v2 rollup into a new v3.1.0 rollup address
4. Setup the rollup according to the new config and use the latest confirmed assertion on the old rollup as genesis of the new rollup

Note that contracts without code changes are not upgraded. It is normal to have some contracts still in the old version after the upgrade as they are equivalent to the new version. There are no associated ArbOS upgrade for this version.
Note that contracts without code changes are not upgraded. It is normal to have some contracts still in the old version after the upgrade as they are equivalent to the new version. There are no associated ArbOS upgrades for this version.

## Requirements

This upgrade only support upgrading from the following [nitro-contract release](https://github.com/OffchainLabs/nitro-contracts/releases):
This upgrade only support upgrading from the following [nitro-contracts release](https://github.com/OffchainLabs/nitro-contracts/releases):

- Inbox: v1.1.0 - v2.1.3 inclusive
- Outbox: any
Expand Down Expand Up @@ -83,4 +83,6 @@ upgrade executor: 0x5FEe78FE9AD96c1d8557C6D6BB22Eb5A61eeD315
execute(...) call to upgrade executor: 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
```

Another version of this upgrade guide with more BoLD-specific detail is also available in the [Arbitrum docs](arbitrum-docs/launch-orbit-chain/04-maintain-your-chain/05-upgrade-to-bold.mdx).

## FAQ