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Clean dirty addresses and booleans (#5195)

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Co-authored-by: Hadrien Croubois <hadrien.croubois@gmail.com>
Signed-off-by: Hadrien Croubois <hadrien.croubois@gmail.com>
This commit is contained in:
cairo
2024-09-18 18:21:17 +02:00
committed by Hadrien Croubois
parent 53f7ed8219
commit b1d61079d6
7 changed files with 50 additions and 7 deletions
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4
contracts/utils/SlotDerivation.sol
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@ -70,7 +70,7 @@ library SlotDerivation {
*/
function deriveMapping(bytes32 slot, address key) internal pure returns (bytes32 result) {
assembly ("memory-safe") {
mstore(0x00, key)
mstore(0x00, and(key, shr(96, not(0))))
mstore(0x20, slot)
result := keccak256(0x00, 0x40)
}
@ -81,7 +81,7 @@ library SlotDerivation {
*/
function deriveMapping(bytes32 slot, bool key) internal pure returns (bytes32 result) {
assembly ("memory-safe") {
mstore(0x00, key)
mstore(0x00, iszero(iszero(key)))
mstore(0x20, slot)
result := keccak256(0x00, 0x40)
}