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authorAmir Bandeali <abandeali1@gmail.com>2018-08-30 08:21:20 +0800
committerAmir Bandeali <abandeali1@gmail.com>2018-08-31 00:27:28 +0800
commitd0f693398074eaa8b08f76d18a594e86ad81b0ae (patch)
tree3102132b655a5b351182a2e63fdaca3b5a93fc0c /packages/contracts/src
parent14793f30b5538f8d2a9dbe5f32589a8627865322 (diff)
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Add tests for token that returns >32 bytes
Diffstat (limited to 'packages/contracts/src')
-rw-r--r--packages/contracts/src/2.0.0/test/DummyERC20Token/DummyMultipleReturnERC20Token.sol70
1 files changed, 70 insertions, 0 deletions
diff --git a/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyMultipleReturnERC20Token.sol b/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyMultipleReturnERC20Token.sol
new file mode 100644
index 000000000..8a8aecae8
--- /dev/null
+++ b/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyMultipleReturnERC20Token.sol
@@ -0,0 +1,70 @@
+/*
+
+ Copyright 2018 ZeroEx Intl.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+*/
+
+pragma solidity 0.4.24;
+
+import "./DummyERC20Token.sol";
+
+
+// solhint-disable no-empty-blocks
+contract DummyMultipleReturnERC20Token is
+ DummyERC20Token
+{
+
+ constructor (
+ string _name,
+ string _symbol,
+ uint256 _decimals,
+ uint256 _totalSupply
+ )
+ public
+ DummyERC20Token(
+ _name,
+ _symbol,
+ _decimals,
+ _totalSupply
+ )
+ {}
+
+ /// @dev send `value` token to `to` from `from` on the condition it is approved by `from`
+ /// @param _from The address of the sender
+ /// @param _to The address of the recipient
+ /// @param _value The amount of token to be transferred
+ function transferFrom(
+ address _from,
+ address _to,
+ uint256 _value
+ )
+ external
+ returns (bool)
+ {
+ emit Transfer(
+ _from,
+ _to,
+ _value
+ );
+
+ // HACK: This contract will not compile if we remove `returns (bool)`, so we manually return 64 bytes (equiavalent to true, true)
+ assembly {
+ mstore(0, 1)
+ mstore(32, 1)
+ return(0, 64)
+ }
+ }
+}
+