文件 1 的 1：ERC20ByBankPad.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;
}
}
pragma solidity ^0.8.0;
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);
}
}
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);
}
pragma solidity ^0.8.0;
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
pragma solidity ^0.8.0;
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 {}
}
pragma solidity ^0.8.0;
interface IERC20Permit {
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
function nonces(address owner) external view returns (uint256);
function DOMAIN_SEPARATOR() external view returns (bytes32);
}
pragma solidity ^0.8.1;
library Address {
function isContract(address account) internal view returns (bool) {
return account.code.length > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "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, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
pragma solidity ^0.8.0;
library SafeERC20 {
using Address for address;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint256 value) internal {
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
}
}
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value);
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));
_callOptionalReturn(token, approvalCall);
}
}
function safePermit(
IERC20Permit token,
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) internal {
uint256 nonceBefore = token.nonces(owner);
token.permit(owner, spender, value, deadline, v, r, s);
uint256 nonceAfter = token.nonces(owner);
require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
}
function _callOptionalReturn(IERC20 token, bytes memory data) private {
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
(bool success, bytes memory returndata) = address(token).call(data);
return
success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token));
}
}
pragma solidity ^0.8.4;
interface IBase {
struct TokenLaunchConf {
string uuid;
string name;
string symbol;
string telegram;
bytes distribParam;
bytes antiBotParam;
bytes taxParam;
bytes lpParam;
}
}
pragma solidity ^0.8.4;
interface IERC20FactoryByBankPad {
function maxTeamAlloc(
bool isLaunched,
address deployer
) external view returns (uint16);
function servicePayAccount() external view returns (address payable);
function tradingTimes() external view returns (uint256, uint256);
function snipeAutoBurnPercents()
external
view
returns (uint16, uint16, uint16);
function antiBotLimits(
bool isLaunched,
address deployer
) external view returns (uint16, uint16, uint16, uint16);
function taxLimits(
bool isLaunched,
address deployer
) external view returns (uint16, uint16, uint16);
function bankPadTax() external view returns (uint16);
function conditionForRenounce()
external
view
returns (uint16, uint16, uint16);
function taxApplyTimes() external view returns (uint256, uint256);
}
pragma solidity ^0.8.0;
abstract contract ERC20ByBankPadBase is Ownable, IBase {
address internal constant ETH_ADDRESS =
0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
uint16 internal constant DENOMINATOR = 10000;
IERC20FactoryByBankPad internal _bankpadFactory;
bool internal _isLaunched;
bool internal _isTaxConvertEnabled = true;
uint256 internal _thresholdAmount = 10000 ether;
uint256 internal _launchedAt;
function bankpadFactory() external view returns (address) {
return address(_bankpadFactory);
}
function enableTaxConvert(bool flag) external onlyOwner {
_isTaxConvertEnabled = flag;
}
function isTaxConvertEnabled() external view returns (bool) {
return _isTaxConvertEnabled;
}
function updateThresholdAmount(uint256 amount) external onlyOwner {
require(amount > 0, "invalid threshold");
_thresholdAmount = amount;
}
function thresholdAmount() external view returns (uint256) {
return _thresholdAmount;
}
function launchedAt() external view returns (uint256) {
return _launchedAt;
}
}
pragma solidity ^0.8.0;
contract AntiBotHelper is ERC20ByBankPadBase {
uint16 internal _maxTxLimit;
uint16 internal _maxHoldLimit;
bool internal _isAntiSniperOn;
bool internal _isTradingDelayed;
bool internal _isTradingDisabled;
uint256 internal _firstBuyAt;
uint256 internal _secondBuyAt;
uint256 internal _thirdBuyAt;
mapping(address => bool) internal _isExcludedFromTxLimit;
mapping(address => bool) internal _isExcludedFromHoldLimit;
event ExcludedFromHoldLimit(address account, bool flag);
event ExcludedFromTxLimit(address account, bool flag);
event MaxLimitUpdated(uint16 maxHoldLimit, uint16 maxTxLimit);
event TradingEnabled();
constructor() {
_isExcludedFromTxLimit[_msgSender()] = true;
_isExcludedFromTxLimit[address(0)] = true;
_isExcludedFromTxLimit[address(0xdead)] = true;
_isExcludedFromTxLimit[address(this)] = true;
_isExcludedFromHoldLimit[_msgSender()] = true;
_isExcludedFromHoldLimit[address(0)] = true;
_isExcludedFromHoldLimit[address(0xdead)] = true;
_isExcludedFromHoldLimit[address(this)] = true;
}
function _initializeAntiBot(bytes memory param) internal {
(uint16 holdLimit, uint16 txLimit, bool antiSniperOn) = abi.decode(
param,
(uint16, uint16, bool)
);
(
uint16 minMaxHoldLimit,
uint16 maxMaxHoldLimit,
uint16 minMaxTxLimit,
uint16 maxMaxTxLimit
) = _bankpadFactory.antiBotLimits(false, owner());
require(
txLimit <= maxMaxTxLimit && txLimit >= minMaxTxLimit,
"tx limit out of range"
);
require(
holdLimit <= maxMaxHoldLimit && holdLimit >= minMaxHoldLimit,
"hold limit out of range"
);
require(txLimit <= holdLimit, "tx limit exceeds hold limit");
_maxTxLimit = txLimit;
_maxHoldLimit = holdLimit;
_isAntiSniperOn = antiSniperOn;
}
function _antiSniperAutoBurn() internal returns (uint16) {
if (!_isAntiSniperOn) return 0;
uint256 blockTime = block.timestamp;
(
uint16 firstPercent,
uint16 secondPercent,
uint16 thirdPercent
) = _bankpadFactory.snipeAutoBurnPercents();
if (blockTime == _thirdBuyAt) return thirdPercent;
if (blockTime == _secondBuyAt) return secondPercent;
if (blockTime == _firstBuyAt) return firstPercent;
if (_thirdBuyAt > 0) return 0;
if (_secondBuyAt > 0) {
_thirdBuyAt = block.timestamp;
return thirdPercent;
}
if (_firstBuyAt > 0) {
_secondBuyAt = block.timestamp;
return secondPercent;
}
_firstBuyAt = block.timestamp;
return firstPercent;
}
function batchExcludeFromTxLimit(
address[] calldata accounts,
bool flag
) external onlyOwner {
uint256 len = accounts.length;
for (uint256 i; i < len; ) {
address account = accounts[i];
_isExcludedFromTxLimit[account] = flag;
unchecked {
++i;
}
emit ExcludedFromTxLimit(account, flag);
}
}
function batchExcludeFromHoldLimit(
address[] calldata accounts,
bool flag
) external onlyOwner {
uint256 len = accounts.length;
for (uint256 i; i < len; ) {
address account = accounts[i];
_isExcludedFromHoldLimit[account] = flag;
unchecked {
++i;
}
emit ExcludedFromHoldLimit(account, flag);
}
}
function isExcludedFromLimit(
address account
) external view returns (bool, bool) {
return (
_isExcludedFromHoldLimit[account],
_isExcludedFromTxLimit[account]
);
}
function updateMaxLimit(
uint16 holdLimit,
uint16 txLimit
) external onlyOwner {
require(holdLimit >= txLimit, "tx limit exceeds hold limit");
(, uint16 maxMaxHoldLimit, , uint16 maxMaxTxLimit) = _bankpadFactory
.antiBotLimits(true, owner());
require(
_maxHoldLimit <= holdLimit && _maxTxLimit <= txLimit,
"increase only"
);
require(txLimit <= maxMaxTxLimit, "tx limit out of range");
require(holdLimit <= maxMaxHoldLimit, "hold limit out of range");
_maxHoldLimit = holdLimit;
_maxTxLimit = txLimit;
emit MaxLimitUpdated(holdLimit, txLimit);
}
function maxLimit() external view returns (uint16, uint16) {
return (_maxHoldLimit, _maxTxLimit);
}
function enableTrading() external onlyOwner {
require(_isTradingDisabled, "already enabled");
_isTradingDisabled = false;
emit TradingEnabled();
}
function antiBotFlags() external view returns (bool, bool, bool) {
return (_isAntiSniperOn, _isTradingDelayed, _isTradingDisabled);
}
}
pragma solidity ^0.8.4;
interface IDexFactory {
function createPair(
address tokenA,
address tokenB
) external returns (address pair);
}
interface IDexRouter {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function swapExactTokensForETHSupportingFeeOnTransferTokens(
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 swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (uint256 amountToken, uint256 amountETH, uint256 liquidity);
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 getAmountsOut(
uint amountIn,
address[] calldata path
) external view returns (uint[] memory amounts);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
}
pragma solidity ^0.8.0;
contract TaxHelper is ERC20ByBankPadBase {
using Address for address payable;
bool internal _bankpadFeeApplied = true;
uint16 internal _buyTax;
uint16 internal _sellTax;
uint16 internal _treasuryTax;
address internal _dexRouter;
address internal _taxPayAccount;
address internal _treasuryAccount;
address internal _baseAmmPair;
address internal _basePairedToken;
mapping(address => bool) internal _isExcludedFromTax;
mapping(address => bool) internal _isAmmPair;
event ExcludedFromTax(address account, bool flag);
event NewAmmPair(address pair, bool flag);
event TaxesUpdated(uint16 buyTax, uint16 sellTax, uint16 treasuryTax);
constructor() {
_isExcludedFromTax[_msgSender()] = true;
_isExcludedFromTax[address(0)] = true;
_isExcludedFromTax[address(0xdead)] = true;
_isExcludedFromTax[address(this)] = true;
}
function _initializeTax(bytes memory param) internal {
(
address dexRouter,
address pairedToken,
address taxPayAccount,
address treasuryAccount,
uint16 buyTax,
uint16 sellTax,
uint16 treasuryTax
) = abi.decode(
param,
(address, address, address, address, uint16, uint16, uint16)
);
(
uint16 maxBuyTax,
uint16 maxSellTax,
uint16 maxTreasuryTax
) = _bankpadFactory.taxLimits(false, owner());
uint16 bankPadTax = _bankpadFactory.bankPadTax();
require(
(uint256(buyTax + treasuryTax) * (DENOMINATOR + bankPadTax)) /
DENOMINATOR <=
DENOMINATOR &&
(uint256(sellTax + treasuryTax) * (DENOMINATOR + bankPadTax)) /
DENOMINATOR <=
DENOMINATOR,
"tax out of range"
);
require(
buyTax <= maxBuyTax &&
sellTax <= maxSellTax &&
treasuryTax <= maxTreasuryTax,
"too much tax"
);
require(
taxPayAccount != address(0) && treasuryAccount != address(0),
"invalid pay account"
);
if (pairedToken == ETH_ADDRESS) {
payable(taxPayAccount).sendValue(0);
payable(treasuryAccount).sendValue(0);
}
_dexRouter = dexRouter;
address lpPair = IDexFactory(IDexRouter(dexRouter).factory())
.createPair(
address(this),
pairedToken == ETH_ADDRESS
? IDexRouter(dexRouter).WETH()
: pairedToken
);
_baseAmmPair = lpPair;
_basePairedToken = pairedToken;
_taxPayAccount = taxPayAccount;
_treasuryAccount = treasuryAccount;
_buyTax = buyTax;
_sellTax = sellTax;
_treasuryTax = treasuryTax;
_isAmmPair[lpPair] = true;
}
function updateTaxes(
uint16 buyTax,
uint16 sellTax,
uint16 treasuryTax
) external onlyOwner {
require(
_buyTax >= buyTax &&
_sellTax >= sellTax &&
_treasuryTax >= treasuryTax,
"decrease only"
);
_buyTax = buyTax;
_sellTax = sellTax;
_treasuryTax = treasuryTax;
emit TaxesUpdated(buyTax, sellTax, treasuryTax);
}
function taxes() external view returns (uint16, uint16, uint16) {
return (_buyTax, _sellTax, _treasuryTax);
}
function batchExcludeFromTax(
address[] calldata accounts,
bool flag
) external onlyOwner {
uint256 len = accounts.length;
for (uint256 i; i < len; ) {
address account = accounts[i];
_isExcludedFromTax[account] = flag;
unchecked {
++i;
}
emit ExcludedFromTax(account, flag);
}
}
function isExcludedFromTax(address account) external view returns (bool) {
return _isExcludedFromTax[account];
}
function isAmmPair(address pair) external view returns (bool) {
return _isAmmPair[pair];
}
function taxAccounts() external view returns (address, address) {
return (_taxPayAccount, _treasuryAccount);
}
function ammAddresses() external view returns (address, address, address) {
return (_dexRouter, _basePairedToken, _baseAmmPair);
}
}
pragma solidity ^0.8.0;
abstract contract Revert {
function _revert(bytes4 errorSelector) internal pure {
assembly {
mstore(0x00, errorSelector)
revert(0x00, 0x04)
}
}
}
pragma solidity ^0.8.0;
contract ERC20ByBankPad is AntiBotHelper, ERC20, TaxHelper {
bytes32 public constant bankUUIDHash =
0xffd1ff5f8ed7c368045bfdd32e4c036371ded234852d874e42eee1fdd203a55a;
using Address for address payable;
using SafeERC20 for IERC20;
bool private _inSwap;
string public bankUUID;
modifier onlyFactory() {
require(
address(_bankpadFactory) == _msgSender(),
"caller is not the factory"
);
_;
}
modifier lockTheSwap() {
_inSwap = true;
_;
_inSwap = false;
}
constructor(
address factory_,
address deployer_,
TokenLaunchConf memory param_
) ERC20(param_.name, param_.symbol) {
bankUUID = param_.uuid;
IERC20FactoryByBankPad factory = IERC20FactoryByBankPad(factory_);
_bankpadFactory = factory;
_transferOwnership(deployer_);
_initializeAntiBot(param_.antiBotParam);
_initializeTax(param_.taxParam);
_isExcludedFromHoldLimit[_baseAmmPair] = true;
(uint256 supply, address teamAccount, uint16 teamAlloc) = abi.decode(
param_.distribParam,
(uint256, address, uint16)
);
if (teamAlloc > 0) {
require(teamAccount != address(0), "invalid team account");
require(
teamAlloc <= factory.maxTeamAlloc(false, deployer_),
"too much team alloc"
);
uint256 teamAllocAmount = (supply * teamAlloc) / DENOMINATOR;
_mint(teamAccount, teamAllocAmount);
supply -= teamAllocAmount;
}
_mint(factory_, supply);
}
function launch(
bool tradingDelayed,
bool tradingDisabled
) external onlyFactory {
require(!_isLaunched, "already launched");
_isLaunched = true;
require(
!tradingDelayed || !tradingDisabled,
"can not delayed and disabled"
);
_isTradingDelayed = tradingDelayed;
_isTradingDisabled = tradingDisabled;
_launchedAt = block.timestamp;
}
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual override {
if (!_isLaunched) return;
uint256 totalSupply_ = totalSupply();
require(
_isExcludedFromTxLimit[from] ||
_isExcludedFromTxLimit[to] ||
amount <= (totalSupply_ * _maxTxLimit) / DENOMINATOR,
"tx amount limited"
);
require(
_isExcludedFromHoldLimit[to] ||
balanceOf(to) <= (totalSupply_ * _maxHoldLimit) / DENOMINATOR,
"receiver hold limited"
);
}
function _transfer(
address from,
address to,
uint256 amount
) internal override {
uint256 blockTime = block.timestamp;
_checkTradingDelayedOrDisabled();
(
uint256 bankPadTaxApplyPeriod,
uint256 taxWhitelistApplyDelay
) = _bankpadFactory.taxApplyTimes();
uint16 bankPadTax = _bankpadFactory.bankPadTax();
uint256 contractTokenBalance = balanceOf(address(this));
bool isWhitelisted = (_isExcludedFromTax[from] ||
_isExcludedFromTax[to]) &&
_firstBuyAt > 0 &&
blockTime >= _firstBuyAt + taxWhitelistApplyDelay;
bool isBuyTx = _isAmmPair[from];
bool isSellTx = _isAmmPair[to];
if (
!_inSwap &&
!isWhitelisted &&
!isBuyTx &&
_isTaxConvertEnabled &&
contractTokenBalance >= _thresholdAmount
) {
bool isBankpadOverTime = _bankpadFeeApplied &&
_firstBuyAt > 0 &&
blockTime > _firstBuyAt + bankPadTaxApplyPeriod;
if (isBankpadOverTime) _swapToPairedToken(contractTokenBalance);
else _swapToPairedToken(_thresholdAmount);
if (isBankpadOverTime) _bankpadFeeApplied = false;
}
if (amount == 0) {
super._transfer(from, to, 0);
return;
}
uint256 fees;
if (!isWhitelisted && _isLaunched) {
if (isBuyTx) {
if (
_bankpadFeeApplied &&
(_firstBuyAt == 0 ||
blockTime <= _firstBuyAt + bankPadTaxApplyPeriod)
)
fees =
(amount *
(_buyTax + _treasuryTax) *
(DENOMINATOR + bankPadTax)) /
DENOMINATOR /
DENOMINATOR;
else fees = (amount * (_buyTax + _treasuryTax)) / DENOMINATOR;
uint256 autoBurnPerc = _antiSniperAutoBurn();
if (autoBurnPerc > 0) {
uint256 autoBurnAmount = (amount * autoBurnPerc) /
DENOMINATOR;
_burn(from, autoBurnAmount);
amount -= autoBurnAmount;
}
} else if (isSellTx) {
if (
_bankpadFeeApplied &&
(_firstBuyAt == 0 ||
blockTime <= _firstBuyAt + bankPadTaxApplyPeriod)
)
fees =
(amount *
(_sellTax + _treasuryTax) *
(DENOMINATOR + bankPadTax)) /
DENOMINATOR /
DENOMINATOR;
else fees = (amount * (_sellTax + _treasuryTax)) / DENOMINATOR;
}
if (fees > 0) super._transfer(from, address(this), fees);
amount -= fees;
}
super._transfer(from, to, amount);
}
function _checkTradingDelayedOrDisabled() private {
uint256 blockTime = block.timestamp;
(uint256 tradingDelayTime, uint256 tradingDisableTime) = _bankpadFactory
.tradingTimes();
if (_isTradingDelayed && blockTime < _launchedAt + tradingDelayTime)
revert("trading delayed");
if (_isTradingDisabled) {
if (blockTime < _launchedAt + tradingDisableTime)
revert("trading disabled");
_isTradingDisabled = false;
emit TradingEnabled();
}
}
function _swapToPairedToken(uint256 amount) private lockTheSwap {
address basePairedToken_ = _basePairedToken;
address payable servicePayAccount = _bankpadFactory.servicePayAccount();
if (basePairedToken_ == ETH_ADDRESS) {
uint256 swappedAmount = _swapToETH(amount);
if (swappedAmount > 0) {
if (_bankpadFeeApplied) {
uint256 bankpadFeeAmount = _calcBankpadFee(swappedAmount);
servicePayAccount.sendValue(bankpadFeeAmount);
swappedAmount -= bankpadFeeAmount;
}
if (_treasuryTax > 0) {
uint256 treasuryFeeAmount = _calcTreasuryFee(swappedAmount);
payable(_treasuryAccount).sendValue(treasuryFeeAmount);
swappedAmount -= treasuryFeeAmount;
}
payable(_taxPayAccount).sendValue(swappedAmount);
}
} else {
uint256 swappedAmount = _swapToToken(basePairedToken_, amount);
if (swappedAmount > 0) {
if (_bankpadFeeApplied) {
uint256 bankpadFeeAmount = _calcBankpadFee(swappedAmount);
IERC20(basePairedToken_).safeTransfer(
servicePayAccount,
bankpadFeeAmount
);
swappedAmount -= bankpadFeeAmount;
}
if (_treasuryTax > 0) {
uint256 treasuryFeeAmount = _calcTreasuryFee(swappedAmount);
IERC20(basePairedToken_).safeTransfer(
_treasuryAccount,
treasuryFeeAmount
);
swappedAmount -= treasuryFeeAmount;
}
IERC20(basePairedToken_).safeTransfer(
_taxPayAccount,
swappedAmount
);
}
}
}
function _calcBankpadFee(
uint256 swappedAmount
) private view returns (uint256) {
uint16 bankPadTax = _bankpadFactory.bankPadTax();
return (swappedAmount * bankPadTax) / (DENOMINATOR + bankPadTax);
}
function _calcTreasuryFee(
uint256 swappedAmount
) private view returns (uint256) {
uint16 buyTax_ = _buyTax;
uint16 sellTax_ = _sellTax;
uint16 treasuryTax_ = _treasuryTax;
return
(swappedAmount * 2 * treasuryTax_) /
(buyTax_ + sellTax_ + 2 * treasuryTax_);
}
function _swapToToken(
address token,
uint256 amount
) private returns (uint256) {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = token;
IDexRouter dexRouter_ = IDexRouter(_dexRouter);
_approve(address(this), address(dexRouter_), amount);
uint256 balanceBefore = IERC20(token).balanceOf(address(this));
try
dexRouter_.swapExactTokensForTokensSupportingFeeOnTransferTokens(
amount,
0,
path,
address(this),
block.timestamp + 300
)
{
return IERC20(token).balanceOf(address(this)) - balanceBefore;
} catch (bytes memory ) {}
return 0;
}
function _swapToETH(uint256 amount) private returns (uint256) {
IDexRouter dexRouter_ = IDexRouter(_dexRouter);
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = dexRouter_.WETH();
_approve(address(this), address(dexRouter_), amount);
uint256 balanceBefore = address(this).balance;
try
dexRouter_.swapExactTokensForETHSupportingFeeOnTransferTokens(
amount,
0,
path,
address(this),
block.timestamp + 300
)
{
return address(this).balance - balanceBefore;
} catch (bytes memory ) {}
return 0;
}
function renounceOwnership() public override onlyOwner {
(
uint16 maxTax,
uint16 minMaxHoldLimit,
uint16 minMaxTxLimit
) = _bankpadFactory.conditionForRenounce();
require(
_buyTax <= maxTax && _sellTax <= maxTax && _treasuryTax <= maxTax,
"too much tax"
);
require(
_maxHoldLimit >= minMaxHoldLimit && _maxTxLimit >= minMaxTxLimit,
"still limited"
);
super.renounceOwnership();
}
function batchSetAsAmmPair(
address[] calldata pairs,
bool flag
) external onlyOwner {
uint256 len = pairs.length;
for (uint256 i; i < len; ) {
address pair = pairs[i];
require(pair != _baseAmmPair, "can not access base amm pair");
_isAmmPair[pair] = flag;
_isExcludedFromHoldLimit[pair] = flag;
unchecked {
++i;
}
emit NewAmmPair(pair, flag);
}
}
receive() external payable {}
function recoverToken(address token_, uint256 amount_) external onlyOwner {
require(token_ != address(this), "Not allowed token");
IERC20(token_).safeTransfer(_msgSender(), amount_);
}
}
