文件 1 的 1:GimpCoin.sol
pragma solidity ^0.8.0;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
contract GimpCoin is IERC20 {
string public constant name = "GimpCoin";
string public constant symbol = "GIMP";
uint8 public constant decimals = 18;
uint256 private _totalSupply = 99000000000 * (10 ** uint256(decimals));
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
address public owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
modifier onlyOwner() {
require(owner == msg.sender, "Not the contract owner");
_;
}
constructor() {
_totalSupply = 99000000000 * (10 ** uint256(decimals));
_balances[0x33c13A1ea27202566f5eCf078Db999d1Ce367e9c] = _totalSupply * 65 / 100;
_balances[0x373FdC873fCC3a06b2750C3B233B21fB3c6c01E4] = _totalSupply * 5 / 100;
_balances[0x04FC4d25DF56b9fee30cf990815D8E83Ff129989] = _totalSupply * 5 / 100;
_balances[0xd7F5C30Eb3Ec7e0FA5ba1727Dc0a97bB7663D644] = _totalSupply * 5 / 100;
_balances[0x7E65cB5F35bB17b56dd1824b3510aD76450a437A] = _totalSupply * 5 / 100;
_balances[0x347049eCc2388843818467c1B5BccfCbc53CE339] = _totalSupply * 5 / 100;
_balances[0xd06c0f3Ea81Be5c39058898223565acE188134bF] = _totalSupply * 5 / 100;
_balances[0xE2bFD82E6d17589d08c519D978D3847b2e1F7879] = _totalSupply * 5 / 100;
emit Transfer(address(0), 0x33c13A1ea27202566f5eCf078Db999d1Ce367e9c, _totalSupply * 65 / 100);
}
function transferOwnership(address newOwner) external onlyOwner {
require(newOwner != address(0), "New owner is the zero address");
emit OwnershipTransferred(owner, newOwner);
owner = newOwner;
}
function totalSupply() external view override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) external view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) external override returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
function allowance(address _owner, address spender) external view override returns (uint256) {
return _allowances[_owner][spender];
}
function approve(address spender, uint256 amount) external override returns (bool) {
_approve(msg.sender, spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender] - amount);
return true;
}
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] -= amount;
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
}
function _approve(address _owner, address spender, uint256 amount) internal {
require(_owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[_owner][spender] = amount;
emit Approval(_owner, spender, amount);
}
}
{
"compilationTarget": {
"GimpCoin.sol": "GimpCoin"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}