This project implements blockchain applications for climate action and accounting, including emissions calculations, carbon trading, and validation of climate claims. It is part of the Linux Foundation's Hyperledger Climate Action and Accounting SIG.
:warning: This is a patch for three issues, including a high severity issue in GovernorVotesQuorumFraction. For more information visit the security advisories (1, 2, 3).
GovernorVotesQuorumFraction: Fixed quorum updates so they do not affect past proposals that failed due to lack of quorum. (#3561)
ERC165Checker: Added protection against large returndata. (#3587)
LibArbitrumL2, CrossChainEnabledArbitrumL2: Fixed detection of cross-chain calls for EOAs. Previously, calls from EOAs would be classified as cross-chain calls. (#3578)
v4.7.1
:warning: This is a patch for a medium severity issue affecting SignatureChecker and a high severity issue affecting ERC165Checker. For more information visit the security advisories (1, 2).
SignatureChecker: Fix an issue that causes isValidSignatureNow to revert when the target contract returns ill-encoded data. (#3552)
ERC165Checker: Fix an issue that causes supportsInterface to revert when the target contract returns ill-encoded data. (#3552)
v4.7.0
TimelockController: Migrate _call to _execute and allow inheritance and overriding similar to Governor. (#3317)
CrossChainEnabledPolygonChild: replace the require statement with the custom error NotCrossChainCall. (#3380)
ERC4626: add an extension of ERC20 that implements the ERC4626 Tokenized Vault Standard. (#3171)
SafeERC20: add safePermit as mitigation against phantom permit functions. (#3280)
Math: add a mulDiv function that can round the result either up or down. (#3171)
Math: Add a sqrt function to compute square roots of integers, rounding either up or down. (#3242)
Strings: add a new overloaded function toHexString that converts an address with fixed length of 20 bytes to its not checksummed ASCII string hexadecimal representation. (#3403)
EnumerableMap: add new UintToUintMap map type. (#3338)
EnumerableMap: add new Bytes32ToUintMap map type. (#3416)
SafeCast: add support for many more types, using procedural code generation. (#3245)
MerkleProof: add multiProofVerify to prove multiple values are part of a Merkle tree. (#3276)
MerkleProof: add calldata versions of the functions to avoid copying input arrays to memory and save gas. (#3200)
LibArbitrumL2, CrossChainEnabledArbitrumL2: Fixed detection of cross-chain calls for EOAs. Previously, calls from EOAs would be classified as cross-chain calls. (#3578)
GovernorVotesQuorumFraction: Fixed quorum updates so they do not affect past proposals that failed due to lack of quorum. (#3561)
ERC165Checker: Added protection against large returndata. (#3587)
4.7.1
SignatureChecker: Fix an issue that causes isValidSignatureNow to revert when the target contract returns ill-encoded data. (#3552)
ERC165Checker: Fix an issue that causes supportsInterface to revert when the target contract returns ill-encoded data. (#3552)
4.7.0 (2022-06-29)
TimelockController: Migrate _call to _execute and allow inheritance and overriding similar to Governor. (#3317)
CrossChainEnabledPolygonChild: replace the require statement with the custom error NotCrossChainCall. (#3380)
ERC4626: add an extension of ERC20 that implements the ERC4626 Tokenized Vault Standard. (#3171)
SafeERC20: add safePermit as mitigation against phantom permit functions. (#3280)
Math: add a mulDiv function that can round the result either up or down. (#3171)
Math: Add a sqrt function to compute square roots of integers, rounding either up or down. (#3242)
Strings: add a new overloaded function toHexString that converts an address with fixed length of 20 bytes to its not checksummed ASCII string hexadecimal representation. (#3403)
EnumerableMap: add new UintToUintMap map type. (#3338)
EnumerableMap: add new Bytes32ToUintMap map type. (#3416)
SafeCast: add support for many more types, using procedural code generation. (#3245)
MerkleProof: add multiProofVerify to prove multiple values are part of a Merkle tree. (#3276)
MerkleProof: add calldata versions of the functions to avoid copying input arrays to memory and save gas. (#3200)
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Bumps @openzeppelin/contracts from 4.6.0 to 4.7.2.
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64e4820
4.7.2b66fe16
Update changelog8fb5f57
Avoid returnbomb in ERC165Checker (#3587)67b2572
Keep track of historical quorum values (#3561)4337192
Fix arbitrum L1 to L2 crosschain call detection (#3578)41c7b25
Fix error in documentation and typo (#3567)e15862f
Remove test for feature not in 4.73b8b4ba
4.7.1212de08
Fix issues caused by abi.decode reverting (#3552)8c49ad7
4.7.0Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
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