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feat: add custom gas token migration #313

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a27db2a
feat: add-custom-gas-token-migration
Joxess Aug 1, 2025
e4c2f4e
chore: fix format
Joxess Aug 1, 2025
04dd40c
docs: update L1 changes
Joxess Aug 21, 2025
de50734
docs: improve summary
Joxess Aug 21, 2025
bd49c6d
docs: update cgt features
Joxess Aug 21, 2025
4b32e04
docs: add CGT bridges deployment
Joxess Aug 21, 2025
48e8c10
docs: add contracts version considerations
Joxess Aug 21, 2025
b9979af
docs: add reimburse solution as an alternative
Joxess Aug 21, 2025
aa78fe8
docs: fix format
Joxess Aug 21, 2025
f68ec99
docs: list of contracts to be upgraded
Joxess Aug 21, 2025
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docs: list of contracts to be upgraded 
Signed-off-by: Joxes <[email protected]>
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Joxess authored Aug 21, 2025
commit f68ec99249acd55098b3e9856c177b318a77cb0d
4 changes: 2 additions & 2 deletions protocol/custom-gas-token-migration.md
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Expand Up @@ -107,9 +107,9 @@ A chain governor would require deploying the desired bridge for native asset bri

2. Upgrade all the contracts to the new CGT version via hard fork.

Perform the upgrade for L1 and L2 contracts into the new implementations.
Perform the upgrade for L1 and L2 contracts into the new implementations. The following L1 contracts needs to be upgraded: `SystemConfig`, `OptimismPortal`, `L1CrossDomainMessenger` and `L1StandardBridge`.

Hardfork the L2 chain to add `NativeAssetLiquidity` (fund liquidity) and add `LiquidityController` and upgrade each existing predeploy contract.
Hardfork the L2 chain through a NUT to add `NativeAssetLiquidity` (`fund` liquidity) and add `LiquidityController` and upgrade the `L1Block`, `L2StandardBridge`, `L2CrossDomainMessenger` and `L2ToL1MessagePasser` predeploy contracts.

- For `NativeAssetLiquidity`, burn the amount of native asset that isn’t planned to be used.
- Relevant for chains that already has a considerable amount of native asset supply scattered in the L2 state.
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