编译器
0.8.17+commit.8df45f5f
文件 1 的 7: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 7:ERC20.sol
pragma solidity ^0.8.0;
import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function transfer(address to, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_approve(owner, spender, amount);
return true;
}
function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(owner, spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(address from, address to, uint256 amount) internal virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(from, to, amount);
uint256 fromBalance = _balances[from];
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[from] = fromBalance - amount;
_balances[to] += amount;
}
emit Transfer(from, to, amount);
_afterTokenTransfer(from, to, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
unchecked {
_balances[account] += amount;
}
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
_totalSupply -= amount;
}
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
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);
}
function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amount);
}
}
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}
function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}
}
文件 3 的 7:IERC20.sol
pragma solidity ^0.8.0;
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, 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 from, address to, uint256 amount) external returns (bool);
}
文件 4 的 7:IERC20Metadata.sol
pragma solidity ^0.8.0;
import "../IERC20.sol";
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
文件 5 的 7: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);
}
}
文件 6 的 7:SafeMath.sol
pragma solidity ^0.8.0;
library SafeMath {
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return a % b;
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
}
文件 7 的 7:token.sol
pragma solidity ^0.8.17;
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
contract VeniVidiVici is ERC20, Ownable {
using SafeMath for uint256;
address public devTeam;
address public marketingAddress;
uint256 public constant MAX_SUPPLY = 500000000000000 * 10**18;
uint256 private constant DEV_FEE_PERCENTAGE = 2;
uint256 private constant MARKETING_FEE_PERCENTAGE = 1;
uint256 private totalDevFeeEarned;
uint256 private totalMarketingFeeEarned;
uint256 private totalDevFeeClaimed;
uint256 private totalMarketingFeeClaimed;
bool public isOwnershipRenounced;
event Burn(address indexed burner, uint256 value);
event OwnershipRenounced(address indexed previousOwner);
event DevTeamAddressUpdated(address indexed previousDevTeam, address indexed newDevTeam);
event MarketingAddressUpdated(address indexed previousMarketingAddress, address indexed newMarketingAddress);
constructor(address _devTeam, address _marketingAddress) ERC20("VeniVidiVici Coin", "VVVC") {
devTeam = _devTeam;
marketingAddress = _marketingAddress;
_mint(address(this), MAX_SUPPLY);
_transfer(address(this), msg.sender, MAX_SUPPLY);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
uint256 devFeeAmount = amount.mul(DEV_FEE_PERCENTAGE).div(100);
uint256 marketingFeeAmount = amount.mul(MARKETING_FEE_PERCENTAGE).div(100);
uint256 transferAmount = amount.sub(devFeeAmount).sub(marketingFeeAmount);
_transfer(_msgSender(), recipient, transferAmount);
if (devFeeAmount > 0) {
totalDevFeeEarned = totalDevFeeEarned.add(devFeeAmount);
_transfer(_msgSender(), devTeam, devFeeAmount);
}
if (marketingFeeAmount > 0) {
totalMarketingFeeEarned = totalMarketingFeeEarned.add(marketingFeeAmount);
_transfer(_msgSender(), marketingAddress, marketingFeeAmount);
}
return true;
}
function burn(uint256 amount) public {
_burn(msg.sender, amount);
emit Burn(msg.sender, amount);
}
function renounceOwnership() public override onlyOwner {
isOwnershipRenounced = true;
emit OwnershipRenounced(owner());
super.renounceOwnership();
}
function updateDevTeamAddress(address newDevTeam) public onlyOwner {
require(newDevTeam != address(0), "Invalid address");
emit DevTeamAddressUpdated(devTeam, newDevTeam);
devTeam = newDevTeam;
}
function updateMarketingAddress(address newMarketingAddress) public onlyOwner {
require(newMarketingAddress != address(0), "Invalid address");
emit MarketingAddressUpdated(marketingAddress, newMarketingAddress);
marketingAddress = newMarketingAddress;
}
function getTotalDevFeeEarned() public view returns (uint256) {
require(msg.sender == devTeam, "Unauthorized");
return totalDevFeeEarned;
}
function getTotalMarketingFeeEarned() public view returns (uint256) {
require(msg.sender == marketingAddress, "Unauthorized");
return totalMarketingFeeEarned;
}
function getTotalDevFeeClaimed() public view returns (uint256) {
require(msg.sender == devTeam, "Unauthorized");
return totalDevFeeClaimed;
}
function getTotalMarketingFeeClaimed() public view returns (uint256) {
require(msg.sender == marketingAddress, "Unauthorized");
return totalMarketingFeeClaimed;
}
function claimDevFee(uint256 amount) public {
require(msg.sender == devTeam, "Unauthorized");
require(amount <= totalDevFeeEarned.sub(totalDevFeeClaimed), "Insufficient available dev fee");
totalDevFeeClaimed = totalDevFeeClaimed.add(amount);
_transfer(devTeam, address(0), amount);
}
function claimMarketingFee(uint256 amount) public {
require(msg.sender == marketingAddress, "Unauthorized");
require(amount <= totalMarketingFeeEarned.sub(totalMarketingFeeClaimed), "Insufficient available marketing fee");
totalMarketingFeeClaimed = totalMarketingFeeClaimed.add(amount);
_transfer(marketingAddress, address(0), amount);
}
}
{
"compilationTarget": {
"contracts/token.sol": "VeniVidiVici"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
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