@0x/contracts-zero-ex: Introduce the TransformERC20 feature.

0xProject · May 8, 2020 · c51b9e5 · c51b9e5
1 parent c68c5ac
commit c51b9e5
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diff --git a/contracts/zero-ex/contracts/src/errors/LibTransformERC20RichErrors.sol b/contracts/zero-ex/contracts/src/errors/LibTransformERC20RichErrors.sol
@@ -187,6 +187,32 @@ library LibTransformERC20RichErrors {
         );
     }
 
+    function InvalidTokensReceivedError(
+        address[] memory tokens
+    )
+        internal
+        pure
+        returns (bytes memory)
+    {
+        return abi.encodeWithSelector(
+            bytes4(keccak256("InvalidTokensReceivedError(address[])")),
+            tokens
+        );
+    }
+
+    function InvalidTakerFeeTokenError(
+        address token
+    )
+        internal
+        pure
+        returns (bytes memory)
+    {
+        return abi.encodeWithSelector(
+            bytes4(keccak256("InvalidTakerFeeTokenError(address)")),
+            token
+        );
+    }
+
     // WethTransformer rors ////////////////////////////////////////////////////
 
     function WrongNumberOfTokensReceivedError(