diff options
Diffstat (limited to 'packages/contracts/src/2.0.0/utils')
| -rw-r--r-- | packages/contracts/src/2.0.0/utils/LibBytes/LibBytes.sol | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/packages/contracts/src/2.0.0/utils/LibBytes/LibBytes.sol b/packages/contracts/src/2.0.0/utils/LibBytes/LibBytes.sol index 504e950a8..93873cbcc 100644 --- a/packages/contracts/src/2.0.0/utils/LibBytes/LibBytes.sol +++ b/packages/contracts/src/2.0.0/utils/LibBytes/LibBytes.sol @@ -467,8 +467,13 @@ library LibBytes { b.length >= index + 4, "GREATER_OR_EQUAL_TO_4_LENGTH_REQUIRED" ); + + // Arrays are prefixed by a 32 byte length field + index += 32; + + // Read the bytes4 from array memory assembly { - result := mload(add(b, 32)) + result := mload(add(b, index)) // Solidity does not require us to clean the trailing bytes. // We do it anyway result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000) |