文件 1 的 3:Context.sol
pragma solidity ^0.7.0;
abstract contract Context {
constructor () { }
function _msgSender() internal view virtual returns (address payable) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
文件 2 的 3:Ownable.sol
pragma solidity ^0.7.0;
import "./Context.sol";
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
文件 3 的 3:SEPA_ReserveRepay.sol
pragma solidity ^0.7.0;
import "../Ownable.sol" ;
interface SEPA_token {
function balanceOf(address owner) external returns (uint256);
function transfer(address to, uint256 amount) external returns (bool);
function transferFrom(address _from, address _to, uint256 _value) external returns (bool success);
function _approve(address owner, address spender, uint256 amount) external ;
}
contract SEPA_ReserveRepay is Ownable {
address public token_addr ;
SEPA_token token_contract = SEPA_token(token_addr) ;
uint256 public locked ;
function withdraw(uint256 amount, address _addr) external onlyOwner {
token_contract.transfer(_addr, amount) ;
}
function set_token_contract(address addr) external onlyOwner {
token_addr = addr ;
token_contract = SEPA_token(token_addr) ;
}
}
{
"compilationTarget": {
"SEPA_ReserveRepay.sol": "SEPA_ReserveRepay"
},
"evmVersion": "istanbul",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"locked","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"set_token_contract","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"token_addr","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"_addr","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]