编译器
0.8.23+commit.f704f362
文件 1 的 11:Context.sol
pragma solidity ^0.8.20;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}
文件 2 的 11:ERC20.sol
pragma solidity ^0.8.20;
import {IERC20} from "./IERC20.sol";
import {IERC20Metadata} from "./extensions/IERC20Metadata.sol";
import {Context} from "../../utils/Context.sol";
import {IERC20Errors} from "../../interfaces/draft-IERC6093.sol";
abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {
mapping(address account => uint256) private _balances;
mapping(address account => mapping(address spender => 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 returns (string memory) {
return _name;
}
function symbol() public view virtual returns (string memory) {
return _symbol;
}
function decimals() public view virtual returns (uint8) {
return 18;
}
function totalSupply() public view virtual returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual returns (uint256) {
return _balances[account];
}
function transfer(address to, uint256 value) public virtual returns (bool) {
address owner = _msgSender();
_transfer(owner, to, value);
return true;
}
function allowance(address owner, address spender) public view virtual returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 value) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, value);
return true;
}
function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, value);
_transfer(from, to, value);
return true;
}
function _transfer(address from, address to, uint256 value) internal {
if (from == address(0)) {
revert ERC20InvalidSender(address(0));
}
if (to == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(from, to, value);
}
function _update(address from, address to, uint256 value) internal virtual {
if (from == address(0)) {
_totalSupply += value;
} else {
uint256 fromBalance = _balances[from];
if (fromBalance < value) {
revert ERC20InsufficientBalance(from, fromBalance, value);
}
unchecked {
_balances[from] = fromBalance - value;
}
}
if (to == address(0)) {
unchecked {
_totalSupply -= value;
}
} else {
unchecked {
_balances[to] += value;
}
}
emit Transfer(from, to, value);
}
function _mint(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(address(0), account, value);
}
function _burn(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidSender(address(0));
}
_update(account, address(0), value);
}
function _approve(address owner, address spender, uint256 value) internal {
_approve(owner, spender, value, true);
}
function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
if (owner == address(0)) {
revert ERC20InvalidApprover(address(0));
}
if (spender == address(0)) {
revert ERC20InvalidSpender(address(0));
}
_allowances[owner][spender] = value;
if (emitEvent) {
emit Approval(owner, spender, value);
}
}
function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
if (currentAllowance < value) {
revert ERC20InsufficientAllowance(spender, currentAllowance, value);
}
unchecked {
_approve(owner, spender, currentAllowance - value, false);
}
}
}
}
文件 3 的 11:IERC20.sol
pragma solidity ^0.8.20;
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 value) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
}
文件 4 的 11:IERC20Metadata.sol
pragma solidity ^0.8.20;
import {IERC20} from "../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 11:IStakedTAO.sol
pragma solidity ^0.8.23;
interface IStakedTAO {
function depositRewards(uint256 _amount) external;
}
文件 6 的 11:IUniswapV2Factory.sol
pragma solidity >=0.5.0;
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
文件 7 的 11:IUniswapV2Router01.sol
pragma solidity >=0.6.2;
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
文件 8 的 11:IUniswapV2Router02.sol
pragma solidity >=0.6.2;
import './IUniswapV2Router01.sol';
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
文件 9 的 11:Ownable.sol
pragma solidity ^0.8.20;
import {Context} from "../utils/Context.sol";
abstract contract Ownable is Context {
address private _owner;
error OwnableUnauthorizedAccount(address account);
error OwnableInvalidOwner(address owner);
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor(address initialOwner) {
if (initialOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(initialOwner);
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
if (owner() != _msgSender()) {
revert OwnableUnauthorizedAccount(_msgSender());
}
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
if (newOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
文件 10 的 11:YieldTAO.sol
pragma solidity 0.8.23;
import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {IUniswapV2Router02} from "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";
import {IUniswapV2Factory} from "@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol";
import {IStakedTAO} from "./interfaces/IStakedTAO.sol";
contract YieldTAO is Ownable, ERC20 {
error MaxTxAmountExceeded();
error MaxWalletAmountExceeded();
error NotAuthorized();
event SwapTokenForETH(uint256 amount);
event UpdateSwapTokenAt(uint256 amount);
event OpenTrading();
event DisableLimits();
IUniswapV2Router02 immutable router =
IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uint256 SUPPLY = 10_000_000 * 10 ** 18;
uint256 TAX = 5;
uint256 private _buyCount = 0;
uint256 private _sellCount = 0;
uint256 private _initialTax = 30;
uint256 private _reduceTaxAt = 20;
address public buildAndMarketingAddress;
address public sTAO;
uint256 public swapTokenAt = SUPPLY / 1000;
mapping(address => bool) private _isExcludedFromFees;
address public pair;
uint256 private _maxAmount;
uint256 private _maxWallet;
bool public limit = true;
bool private _swaping = false;
uint256 private _tradingOpenBlock;
modifier onSwap() {
_swaping = true;
_;
_swaping = false;
}
constructor(address _sTAO) Ownable(_msgSender()) ERC20("YieldTAO", "yTAO") {
pair = IUniswapV2Factory(router.factory()).createPair(
address(this),
router.WETH()
);
sTAO = _sTAO;
buildAndMarketingAddress = _msgSender();
_maxAmount = SUPPLY / 100;
_maxWallet = _maxAmount;
_isExcludedFromFees[_msgSender()] = true;
_isExcludedFromFees[address(this)] = true;
_isExcludedFromFees[address(router)] = true;
_mint(_msgSender(), SUPPLY);
_approve(_msgSender(), address(router), type(uint256).max);
}
function openTrading(uint256 addBlock) external onlyOwner {
require(_tradingOpenBlock == 0, "Trading already enabled");
_tradingOpenBlock = block.number + addBlock;
emit OpenTrading();
}
function removeLimits() external onlyOwner {
require(limit, "Limits already removed");
limit = false;
_maxWallet = SUPPLY;
_maxAmount = SUPPLY;
emit DisableLimits();
}
function getIsExcludedFromFees(
address _address
) external view returns (bool) {
return _isExcludedFromFees[_address];
}
function excludedFromFees(
address _address,
bool _value
) external onlyOwner {
_isExcludedFromFees[_address] = _value;
}
function _update(
address from,
address to,
uint256 amount
) internal override {
if (
_isExcludedFromFees[from] ||
_isExcludedFromFees[to] ||
(to != pair && from != pair) ||
_swaping
) {
super._update(from, to, amount);
return;
}
require(
_tradingOpenBlock > 0 && block.number > _tradingOpenBlock,
"Trading is not enabled"
);
if (limit) {
if ((from == pair || to == pair) && amount > _maxAmount) {
revert MaxTxAmountExceeded();
}
if (to != pair && balanceOf(to) + amount > _maxWallet) {
revert MaxWalletAmountExceeded();
}
}
if (to == pair && _canSwapBack()) {
_swapTokenForETH();
}
uint256 _totalFees;
if (from == pair) {
_buyCount++;
_totalFees =
(amount * (_buyCount > _reduceTaxAt ? TAX : _initialTax)) /
100;
} else if (to == pair) {
_sellCount++;
_totalFees =
(amount * (_sellCount > _reduceTaxAt / 2 ? TAX : _initialTax)) /
100;
}
uint256 rewards = _totalFees / 5;
super._update(from, sTAO, rewards);
_depositRewards(rewards);
super._update(from, address(this), _totalFees - rewards);
amount = amount - _totalFees;
super._update(from, to, amount);
}
function _depositRewards(uint256 _amount) private {
try IStakedTAO(sTAO).depositRewards(_amount) {} catch {}
}
function burn(uint256 _amount) external {
super._burn(_msgSender(), _amount);
}
function _canSwapBack() private view returns (bool) {
return balanceOf(address(this)) >= swapTokenAt;
}
function setSwapTokenAt(uint256 value) external onlyOwner {
require(
value <= SUPPLY / 50,
"Value must be less than or equal to SUPPLY / 50"
);
swapTokenAt = value;
emit UpdateSwapTokenAt(value);
}
function _swapTokenForETH() private onSwap {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
_approve(address(this), address(router), swapTokenAt);
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
swapTokenAt,
0,
path,
payable(buildAndMarketingAddress),
block.timestamp
);
emit SwapTokenForETH(swapTokenAt);
}
function setBuildAndMarketing(address _address) external {
if (
_msgSender() != owner() || _msgSender() != buildAndMarketingAddress
) {
revert NotAuthorized();
}
buildAndMarketingAddress = _address;
}
function setETAO(address _address) external onlyOwner {
sTAO = _address;
}
receive() external payable {}
}
文件 11 的 11:draft-IERC6093.sol
pragma solidity ^0.8.20;
interface IERC20Errors {
error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);
error ERC20InvalidSender(address sender);
error ERC20InvalidReceiver(address receiver);
error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);
error ERC20InvalidApprover(address approver);
error ERC20InvalidSpender(address spender);
}
interface IERC721Errors {
error ERC721InvalidOwner(address owner);
error ERC721NonexistentToken(uint256 tokenId);
error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);
error ERC721InvalidSender(address sender);
error ERC721InvalidReceiver(address receiver);
error ERC721InsufficientApproval(address operator, uint256 tokenId);
error ERC721InvalidApprover(address approver);
error ERC721InvalidOperator(address operator);
}
interface IERC1155Errors {
error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);
error ERC1155InvalidSender(address sender);
error ERC1155InvalidReceiver(address receiver);
error ERC1155MissingApprovalForAll(address operator, address owner);
error ERC1155InvalidApprover(address approver);
error ERC1155InvalidOperator(address operator);
error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}
{
"compilationTarget": {
"src/YieldTAO.sol": "YieldTAO"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": false,
"runs": 200
},
"remappings": []
}
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tability":"view","type":"function"},{"inputs":[],"name":"removeLimits","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sTAO","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"setBuildAndMarketing","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"setETAO","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"}],"name":"setSwapTokenAt","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"swapTokenAt","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]