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transferrable.sol
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transferrable.sol
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/**
* Transferrable - The Consumer Contract Wallet
* Copyright (C) 2019 The Contract Wallet Company Limited
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
pragma solidity ^0.5.17;
import "../externals/ERC20.sol";
import "../externals/SafeERC20.sol";
/// @title SafeTransfer, allowing contract to withdraw tokens accidentally sent to itself
contract Transferrable {
using SafeERC20 for ERC20;
/// @dev This function is used to move tokens sent accidentally to this contract method.
/// @dev The owner can chose the new destination address
/// @param _to is the recipient's address.
/// @param _asset is the address of an ERC20 token or 0x0 for ether.
/// @param _amount is the amount to be transferred in base units.
function _safeTransfer(address payable _to, address _asset, uint256 _amount) internal {
// address(0) is used to denote ETH
if (_asset == address(0)) {
_to.transfer(_amount);
} else {
ERC20(_asset).safeTransfer(_to, _amount);
}
}
}