编译器
0.8.15+commit.e14f2714
文件 1 的 3：Context.sol
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
文件 2 的 3：HelpMeRewardHolders.sol
pragma solidity ^0.8.14;
import "@openzeppelin/contracts/access/Ownable.sol";
contract HelpMeRewardHolders is Ownable {
uint256[] public winners;
uint256 public winnerAmount = 5;
uint256 public NDebuggers = 855;
function raffleWinners() public onlyOwner {
while (winners.length > 0) {
winners.pop();
}
for (uint256 trial = 0; trial < winnerAmount; trial++) {
winners.push(uint256(keccak256(abi.encodePacked(block.difficulty, block.timestamp, trial))) % NDebuggers + 1);
}
}
function updateWinnerAmount(uint256 _amount) public onlyOwner {
winnerAmount = _amount;
}
function viewWinners() public view returns (uint256[] memory) {
return winners;
}
}文件 3 的 3：Ownable.sol
pragma solidity ^0.8.0;
import "../utils/Context.sol";
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
{
"compilationTarget": {
"contracts/HelpMeRewardHolders.sol": "HelpMeRewardHolders"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs",
"useLiteralContent": true
},
"optimizer": {
"enabled": true,
"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":"NDebuggers","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":"raffleWinners","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"updateWinnerAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"viewWinners","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"winnerAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"winners","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]
