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-rw-r--r--packages/contracts/src/2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol4
1 files changed, 1 insertions, 3 deletions
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol b/packages/contracts/src/2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol
index 80475e6e3..e90b62f19 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol
@@ -19,7 +19,6 @@
pragma solidity 0.4.24;
import "../../utils/Ownable/Ownable.sol";
-import "../../utils/LibBytes/LibBytes.sol";
import "./mixins/MAssetProxyDispatcher.sol";
import "../AssetProxy/interfaces/IAssetProxy.sol";
@@ -28,7 +27,6 @@ contract MixinAssetProxyDispatcher is
Ownable,
MAssetProxyDispatcher
{
- using LibBytes for bytes;
// Mapping from Asset Proxy Id's to their respective Asset Proxy
mapping (bytes4 => IAssetProxy) public assetProxies;
@@ -90,7 +88,7 @@ contract MixinAssetProxyDispatcher is
"LENGTH_GREATER_THAN_3_REQUIRED"
);
- // Lookup assetProxy
+ // Lookup assetProxy. We do not use `LibBytes.readBytes4` for gas efficiency reasons.
bytes4 assetProxyId;
assembly {
assetProxyId := and(mload(