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authorRemco Bloemen <remco@wicked.ventures>2018-06-14 00:37:12 +0800
committerRemco Bloemen <remco@wicked.ventures>2018-06-23 19:53:38 +0800
commitc66477c69097b15b90d9474222e308baeaa929a6 (patch)
treeb5a2f4e1105baa82222c9100079b9185b602c1ee
parent5c612a186f6b6282323bc7172de22f43c511b8e4 (diff)
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Clean low bits in bytes4
-rw-r--r--packages/contracts/src/contracts/current/utils/LibBytes/LibBytes.sol3
1 files changed, 3 insertions, 0 deletions
diff --git a/packages/contracts/src/contracts/current/utils/LibBytes/LibBytes.sol b/packages/contracts/src/contracts/current/utils/LibBytes/LibBytes.sol
index c443dda8f..4a1397470 100644
--- a/packages/contracts/src/contracts/current/utils/LibBytes/LibBytes.sol
+++ b/packages/contracts/src/contracts/current/utils/LibBytes/LibBytes.sol
@@ -451,6 +451,9 @@ library LibBytes {
);
assembly {
result := mload(add(b, 32))
+ // Solidity does not require us to clean the trailing bytes.
+ // We do it anyway
+ result := and(result, 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000)
}
return result;
}