kroma-network / kroma

A developer-friendly, rollup-based Ethereum Layer 2 solution that offers low fees and EVM equivalence.
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feat: apply audit results about token minting and distribution #336

Closed seolaoh closed 2 weeks ago

seolaoh commented 3 weeks ago

Description

Since we use Ownable2Step contract to set the owner of GovernanceToken and MintManager, the new owner should accept the ownership. The purpose is to reduce human error, so I thought it is more appropriate to follow this step when deploying the contracts via deploy script. So the deploy step is changed like below.

Deploy Process

  1. deploy L1GovernanceTokenProxy contract
  2. deploy L1MintManager contract
    • mintManagerOwner is set as pendingOwner of L1MintManager
  3. deploy L1GovernanceToken contract, upgrade proxy, and initialize
    • L1MintManager is set as pendingOwner of L1GovernanceToken
    • mintManagerOwner is set as admin of L1GovernanceTokenProxy
  4. call L1MintManager.acceptOwnership(), L1MintManager.acceptOwnershipOfToken() by mintManagerOwner > confirm ownership transfer of L1MintManager, L1GovernanceToken
  5. change admin of L1GovernanceTokenProxy to zero address by mintManagerOwner

Test Transactions on Holesky

coderabbitai[bot] commented 3 weeks ago

Walkthrough

This update introduces various enhancements and modifications across multiple files in the Kroma project. Key changes include updates to storage layout definitions and hexadecimal values, deployment of tokens and mint managers, adjustments to gas costs in tests, and additions of new ownership transfer mechanisms. The modifications ensure more accurate handling of recipients during token distribution and introduce new events for consistent state tracking. The assertion checks during deployment have been adjusted accordingly.

Changes

Files/Directories Change Summaries
kroma-bindings/bindings/mintmanager_more.go Updated MintManagerStorageLayoutJSON and MintManagerDeployedBin constants.
op-e2e/e2eutils/setup.go Added deployment, ownership acceptance, proxy upgrade, initialization, and distribution functionalities for L1MintManager and GovernanceToken.
packages/contracts/.gas-snapshot Adjusted gas costs in various tests within GovernanceToken_Test and MintManagerTest classes.
packages/contracts/.storage-layout Added _pendingOwner field in GovernanceToken and MintManager classes, affecting storage slots and offsets.
packages/contracts/contracts/governance/GovernanceToken.sol Updated contract inheritance to Ownable2StepUpgradeable, removed ERC20Burnable, and added Mint and Burn events.
packages/contracts/contracts/governance/MintManager.sol Switched to Ownable2Step, added token distribution logic with recipient shares, and ownership management functions.
packages/contracts/contracts/test/GovernanceToken.t.sol Added Mint and Burn events, updated setup and test functions to include additional assertions and ownership changes.
packages/contracts/contracts/test/KromaVestingWallet.t.sol Added function calls vm.prank(tokenOwner) and token.acceptOwnership() before token.mint().
packages/contracts/contracts/test/MintManager.t.sol Added owner and pending owner checks, logic for ownership transfer and acceptance, and additional success and revert tests.
packages/contracts/deploy/.../018-L1MintManager.ts Renamed contract variable from 'owner' to 'pendingOwner' in deployFn function.
packages/contracts/deploy/.../019-L1GovernanceToken.ts Modified assertion check from 'owner' to 'pendingOwner' in assertContractVariable function.
packages/contracts/deploy/.../012-MintManager.ts Renamed contract variable from 'owner' to 'pendingOwner'.
packages/contracts/deploy/.../013-GovernanceToken.ts Modified contract variable assertion from 'owner' to 'pendingOwner' in deployFn function.

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0xHansLee commented 2 weeks ago

Could you update the scenario for deployments you wrote in confluence?

seolaoh commented 2 weeks ago

Could you update the scenario for deployments you wrote in confluence?

I already updated it.

0xHansLee commented 2 weeks ago

Should this PR be merged to dev directly?

seolaoh commented 2 weeks ago

Should this PR be merged to dev directly?

No, it should be merged after #335. Or it can be merged before #335 with moving the commit related to governance token from this PR to that PR.