feat: upgrade Solidity to 0.8.30 and EVM to Cancun hardfork #567
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MiguelLZPF
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Upgrade pragma from fixed `0.8.18` to range `>=0.8.0 <0.9.0` for improved compiler flexibility and reduced merge conflicts. Changes: - 14 ERC1400/ERC3643 contract files updated with flexible pragma - 9 interface and supporting contract files updated - TimeTravel test contract updated - Maintains compatibility while allowing future compiler versions This flexible range prevents merge conflicts when different branches use different Solidity patch versions while maintaining ABI compatibility across the 0.8.x series. Signed-off-by: Miguel_LZPF <[email protected]>
Upgrade Hardhat to v2.26.3 with dual compiler setup for enhanced performance and T-REX dependency compatibility. Changes: - Hardhat upgraded from v2.17.1 to v2.26.3 (latest stable version) - Dual Solidity compiler configuration: 0.8.28 (cancun) + 0.8.17 (london) - EVM target optimization: cancun for modern features, london for T-REX compatibility - Updated Solhint configuration to support flexible pragma ranges - Maintained hardhat-dependency-compiler for external contract dependencies This upgrade enables access to latest Hardhat EDR performance improvements while maintaining backward compatibility for T-REX protocol dependencies. Signed-off-by: Miguel_LZPF <[email protected]>
Update TypeChain and related dependencies for latest Solidity and ethers v5 compatibility. Changes: - @typechain/ethers-v5 upgraded to v11.1.2 (latest stable for ethers v5) - @typechain/hardhat upgraded to v6.1.6 (latest compatible version) - Maintained ethers v5.8.0 for ecosystem stability - Updated package-lock.json with resolved dependency versions This completes the development toolchain upgrade while maintaining ethers v5 compatibility for existing integrations and SDKs. Signed-off-by: Miguel_LZPF <[email protected]>
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Description
Upgraded the ATS contract suite to use the latest supported Solidity version and enhanced development toolchain for improved performance and compatibility.
Key Changes:
pragma solidity 0.8.18;topragma solidity >=0.8.0 <0.9.0;across all ATS contractsBenefits:
>=0.8.0 <0.9.0) prevents merge conflictsTechnical Configuration:
Dependency Versions:
Validation:
Compatibility Notes:
Type of change
Testing
Node version:
Checklist