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author | Amir Bandeali <abandeali1@gmail.com> | 2018-08-31 04:07:19 +0800 |
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committer | GitHub <noreply@github.com> | 2018-08-31 04:07:19 +0800 |
commit | a6e8b28da56c94cb7548ca29ed478dc803237efc (patch) | |
tree | 3102132b655a5b351182a2e63fdaca3b5a93fc0c /packages/contracts/src | |
parent | eb4517d7379128b18c830b704742154c8b2f3c8d (diff) | |
parent | d0f693398074eaa8b08f76d18a594e86ad81b0ae (diff) | |
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Merge pull request #1043 from 0xProject/feature/contracts/edgeCaseTests
Add edge case tests
Diffstat (limited to 'packages/contracts/src')
-rw-r--r-- | packages/contracts/src/2.0.0/test/DummyERC20Token/DummyMultipleReturnERC20Token.sol | 70 |
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) + } + } +} + |