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Update declaration of memory safe assembly blocks (#5172)

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This commit is contained in:
Hadrien Croubois
2024-08-29 23:07:17 +02:00
committed by GitHub
parent 1e7ca3eea6
commit d8bbd34676
32 changed files with 91 additions and 182 deletions
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6
contracts/utils/cryptography/MessageHashUtils.sol
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@ -28,8 +28,7 @@ library MessageHashUtils {
* See {ECDSA-recover}.
*/
function toEthSignedMessageHash(bytes32 messageHash) internal pure returns (bytes32 digest) {
/// @solidity memory-safe-assembly
assembly {
assembly ("memory-safe") {
mstore(0x00, "\x19Ethereum Signed Message:\n32") // 32 is the bytes-length of messageHash
mstore(0x1c, messageHash) // 0x1c (28) is the length of the prefix
digest := keccak256(0x00, 0x3c) // 0x3c is the length of the prefix (0x1c) + messageHash (0x20)
@ -74,8 +73,7 @@ library MessageHashUtils {
* See {ECDSA-recover}.
*/
function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 digest) {
/// @solidity memory-safe-assembly
assembly {
assembly ("memory-safe") {
let ptr := mload(0x40)
mstore(ptr, hex"19_01")
mstore(add(ptr, 0x02), domainSeparator)