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v6.0.0 - Diamond Proxy Pattern (ERC-2535)

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@zguesmi zguesmi released this 14 Aug 13:31
· 61 commits to main since this release
v6.0.0
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What's new?

🚨 Breaking changes

The proxy architecture has been migrated from ERC-1538 Transparent Contract Standard to ERC-2535 Diamond Standard.

Impact:

  • No changes to on-chain business logic or contract interfaces used by regular clients.
  • Existing integrations that interact with contract functions will continue to work without modification.
  • Breaking change applies only to how the proxy’s upgrade mechanism works and how contract structure is exposed to indexers, explorers, or tooling that previously relied on ERC-1538’s upgrade API.

💡 Versioning note:
Technically, since public APIs for business logic did not change, this could be a minor release under Semantic Versioning.
However, because the upgrade proxy standard changed and this could impact indexers and tooling, releasing as a major version ensures better visibility of this architectural shift.

❌ Removed functions and events (ERC-1538):
  • function totalFunctions(...)
  • function functionByIndex(...)
  • function functionById(...)
  • function functionExists(...)
  • function functionSignatures(...)
  • function delegateFunctionSignatures(...)
  • function delegateAddress(...)
  • function delegateAddresses(...)
  • function updateContract(...)
  • event CommitMessage(...)
  • event FunctionUpdate(...)
✨ New functions (ERC-2535)
  • function diamondCut(FacetCut[] calldata _diamondCut, address _init, bytes calldata _calldata)
  • function facets() external view returns (Facet[] memory)
  • function facetFunctionSelectors(address _facet) external view returns (bytes4[] memory)
  • function facetAddresses() external view returns (address[] memory)
  • function facetAddress(bytes4 _selector) external view returns (address)
  • event DiamondCut(FacetCut[] _diamondCut, address _init, bytes _calldata)

✍️ Updated contracts

All contracts have been updated (formatting, renaming, …) but no breaking changes
have been introduced to the business logic.

🚀 Deployment & network support

  • The PoCo protocol is now available on Arbitrum One Mainnet.

More details

  • Update docs and diagrams (#250)
  • Deploy on Arbitrum Mainnet (#249)
  • Add support for Arbitrum Mainnet (#248)
  • Publish NPM package for version v5.6.0-rc1 (#247)
  • Deploy on Arbitrum Sepolia (#246)
  • Set owner at deployment (#245)
  • Use lib as storage. (#243)
  • Save IexecLibOrders_v5 in config file (#242)
  • Migrate proxy to Diamond pattern - ERC-2535 (#241):
    • Restore compatibility with iExec SDK. (#240)
    • Target latest EVM version (#239)
    • Adapt contracts file tree (#238)
    • Use namespaced storage (#236, #237)
    • Fix script folder (#235)
    • Format all solidity files (#233)
    • Replace ERC1538 wording by diamond Proxy wording (#229, #230, #234)
    • Update deployment CI (#228)
    • Format contracts (#227)
    • Remove ENS module (#225)
    • Add Diamond contract unit tests (#224)
    • Fix fallback and receive (#223)
    • Init contracts migration (#222)

Full Changelog: v5.5.1...v6.6.0

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