Files
openzeppelin-contracts/contracts/token/ERC20/ERC20Pausable.sol
2019-01-18 15:33:51 -03:00

36 lines
1.2 KiB
Solidity

pragma solidity ^0.5.0;
import "zos-lib/contracts/Initializable.sol";
import "./ERC20.sol";
import "../../lifecycle/Pausable.sol";
/**
* @title Pausable token
* @dev ERC20 modified with pausable transfers.
**/
contract ERC20Pausable is Initializable, ERC20, Pausable {
function initialize(address sender) public initializer {
Pausable.initialize(sender);
}
function transfer(address to, uint256 value) public whenNotPaused returns (bool) {
return super.transfer(to, value);
}
function transferFrom(address from, address to, uint256 value) public whenNotPaused returns (bool) {
return super.transferFrom(from, to, value);
}
function approve(address spender, uint256 value) public whenNotPaused returns (bool) {
return super.approve(spender, value);
}
function increaseAllowance(address spender, uint addedValue) public whenNotPaused returns (bool success) {
return super.increaseAllowance(spender, addedValue);
}
function decreaseAllowance(address spender, uint subtractedValue) public whenNotPaused returns (bool success) {
return super.decreaseAllowance(spender, subtractedValue);
}
}