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feat: add toDataWithIntendedValidatorHash() with messageHash #5081

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feat: add toDataWithIntendedValidatorHash() with messageHash #5081

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3b1e68e
feat: add `toDataWithIntendedValidatorHash()` with `messageHash`
StackOverflowExcept1on Jun 14, 2024
3476874
Create quiet-shrimps-kiss.md
StackOverflowExcept1on Jun 14, 2024
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5 changes: 5 additions & 0 deletions .changeset/quiet-shrimps-kiss.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"openzeppelin-solidity": patch
---

feat: add `toDataWithIntendedValidatorHash()` with `messageHash`
13 changes: 13 additions & 0 deletions contracts/utils/cryptography/MessageHashUtils.sol
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Expand Up @@ -64,6 +64,19 @@ library MessageHashUtils {
return keccak256(abi.encodePacked(hex"19_00", validator, data));
}

/**
* @dev Returns the keccak256 digest of an ERC-191 signed data with version
* `0x00` (data with intended validator).
*
* The digest is calculated by prefixing a bytes32 `messageHash` with `"\x19\x00"` and the intended
* `validator` address. Then hashing the result.
*
* See {ECDSA-recover}.
*/
function toDataWithIntendedValidatorHash(address validator, bytes32 messageHash) internal pure returns (bytes32) {
return toDataWithIntendedValidatorHash(validator, abi.encodePacked(messageHash));
}

/**
* @dev Returns the keccak256 digest of an EIP-712 typed data (ERC-191 version `0x01`).
*
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