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author | Hsuan Lee <hsuan@cobinhood.com> | 2019-01-19 18:42:04 +0800 |
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committer | Hsuan Lee <hsuan@cobinhood.com> | 2019-01-19 18:42:04 +0800 |
commit | 7ae38906926dc09bc10670c361af0d2bf0050426 (patch) | |
tree | 5fb10ae366b987db09e4ddb4bc3ba0f75404ad08 /contracts/tokens/contracts/test/DummyERC20Token/DummyNoReturnERC20Token.sol | |
parent | b5fd3c72a08aaa6957917d74c333387a16edf66b (diff) | |
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Update dependency packages
Diffstat (limited to 'contracts/tokens/contracts/test/DummyERC20Token/DummyNoReturnERC20Token.sol')
-rw-r--r-- | contracts/tokens/contracts/test/DummyERC20Token/DummyNoReturnERC20Token.sol | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/contracts/tokens/contracts/test/DummyERC20Token/DummyNoReturnERC20Token.sol b/contracts/tokens/contracts/test/DummyERC20Token/DummyNoReturnERC20Token.sol deleted file mode 100644 index e16825a16..000000000 --- a/contracts/tokens/contracts/test/DummyERC20Token/DummyNoReturnERC20Token.sol +++ /dev/null @@ -1,115 +0,0 @@ -/* - - 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 DummyNoReturnERC20Token is - DummyERC20Token -{ - constructor ( - string _name, - string _symbol, - uint256 _decimals, - uint256 _totalSupply - ) - public - DummyERC20Token( - _name, - _symbol, - _decimals, - _totalSupply - ) - {} - - /// @dev send `value` token to `to` from `msg.sender` - /// @param _to The address of the recipient - /// @param _value The amount of token to be transferred - function transfer(address _to, uint256 _value) - external - returns (bool) - { - require( - balances[msg.sender] >= _value, - "ERC20_INSUFFICIENT_BALANCE" - ); - require( - balances[_to] + _value >= balances[_to], - "UINT256_OVERFLOW" - ); - - balances[msg.sender] -= _value; - balances[_to] += _value; - - emit Transfer( - msg.sender, - _to, - _value - ); - - // HACK: This contract will not compile if we remove `returns (bool)`, so we manually return no data - assembly { - return(0, 0) - } - } - - /// @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) - { - require( - balances[_from] >= _value, - "ERC20_INSUFFICIENT_BALANCE" - ); - require( - allowed[_from][msg.sender] >= _value, - "ERC20_INSUFFICIENT_ALLOWANCE" - ); - require( - balances[_to] + _value >= balances[_to], - "UINT256_OVERFLOW" - ); - - balances[_to] += _value; - balances[_from] -= _value; - allowed[_from][msg.sender] -= _value; - - emit Transfer( - _from, - _to, - _value - ); - - // HACK: This contract will not compile if we remove `returns (bool)`, so we manually return no data - assembly { - return(0, 0) - } - } -} - |