文件 1 的 1:BMACC.sol
pragma solidity 0.8.26;
interface IERC20 {
function totalSupply() external view returns (uint256);
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);
}
interface IFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
function getPair(address tokenA, address tokenB) external view returns (address pair);
}
interface IRouter {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;
function swapExactETHForTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
}
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 Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 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 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,
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"
);
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(
data
);
return _verifyCallResult(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) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(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) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) private pure returns (bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
this;
return msg.data;
}
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
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 {}
}
contract BMACC is Ownable, ERC20 {
using Address for address;
IRouter public uniswapV2Router;
address public uniswapV2Pair;
string private constant _name = "BMACC";
string private constant _symbol = "BMACC";
bool public isTradingEnabled;
bool private _swapping;
uint256 public initialSupply = 1000000000 * (10**18);
uint256 public minimumTokensBeforeSwap = initialSupply * 25 / 100000;
address public operationsWallet;
address public treasuryWallet;
address public creatorWallet;
address public stakingWallet;
address public liquidityWallet;
address public USDC = 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913;
uint256 private _launchBlock;
uint256 private _launchTimestamp;
uint256 private _operationsBuySellFee = 100;
uint256 private _treasuryBuySellFee = 100;
uint256 private _creatorBuySellFee = 100;
uint256 private _stakingBuySellFee = 100;
uint256 private _liquidityBuySellFee = 100;
uint256 private _operationsFee;
uint256 private _treasuryFee;
uint256 private _creatorFee;
uint256 private _stakingFee;
uint256 private _liquidityFee;
uint256 private _totalFee;
mapping(address => bool) private _isAllowedToTradeWhenDisabled;
mapping(address => bool) private _isExcludedFromFee;
mapping(address => bool) private _isAllowedToDeactivateTrading;
mapping(address => bool) public automatedMarketMakerPairs;
event AllowedWhenTradingDisabledChange(address indexed account, bool isAllowed);
event AllowedToDeactivateTradingChange(address indexed account, bool isAllowed);
event AutomatedMarketMakerPairChange(address indexed pair, bool indexed value);
event ClaimOverflow(address token, uint256 amount);
event ExcludeFromFeesChange(address indexed account, bool isExcluded);
event FeesApplied(uint256 totalFee);
event FeeChange(string indexed identifier, uint256 newValue, uint256 oldValue);
event MinTokenAmountBeforeSwapChange(uint256 indexed newValue, uint256 indexed oldValue);
event SwapAndLiquify(uint256 amountToSwap, uint256 liquidityAmount, uint256 amountToLiquify);
event TradingStatusChange(bool indexed newValue, bool indexed oldValue);
event WalletChange(string indexed indentifier,address indexed newWallet,address indexed oldWallet);
constructor() ERC20(_name, _symbol) {
operationsWallet = owner();
treasuryWallet = owner();
creatorWallet = owner();
stakingWallet = owner();
liquidityWallet = owner();
IRouter _uniswapV2Router = IRouter(0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24);
address _uniswapV2Pair = IFactory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
_setAutomatedMarketMakerPair(_uniswapV2Pair, true);
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isAllowedToDeactivateTrading[owner()] = true;
_isAllowedToTradeWhenDisabled[owner()] = true;
_isAllowedToTradeWhenDisabled[address(this)] = true;
_mint(owner(), initialSupply);
}
receive() external payable {}
function activateTrading() external onlyOwner {
isTradingEnabled = true;
emit TradingStatusChange(true, false);
if (_launchBlock == 0) {
_launchBlock = block.number;
_launchTimestamp = block.timestamp;
}
}
function deactivateTrading() external {
require(_isAllowedToDeactivateTrading[msg.sender], "BMACC: Not allowed to deactivate trading");
isTradingEnabled = false;
emit TradingStatusChange(false, true);
}
function allowDeactivateTrading(address account, bool allowed) external onlyOwner {
_isAllowedToDeactivateTrading[account] = allowed;
emit AllowedToDeactivateTradingChange(account, allowed);
}
function allowTradingWhenDisabled(address account, bool allowed) external onlyOwner {
_isAllowedToTradeWhenDisabled[account] = allowed;
emit AllowedWhenTradingDisabledChange(account, allowed);
}
function excludeFromFees(address account, bool excluded) external onlyOwner {
require(_isExcludedFromFee[account] != excluded,"BMACC: Account is already the value of 'excluded'");
_isExcludedFromFee[account] = excluded;
emit ExcludeFromFeesChange(account, excluded);
}
function setWallets(address newOperationsWallet, address newTreasuryWallet, address newCreatorWallet, address newStakingWallet, address newLiquidityWallet) external onlyOwner {
if (operationsWallet != newOperationsWallet) {
require(newOperationsWallet != address(0), "BMACC: The operationsWallet cannot be 0");
emit WalletChange("operationsWallet", newOperationsWallet, operationsWallet);
operationsWallet = newOperationsWallet;
}
if (treasuryWallet != newTreasuryWallet) {
require(newTreasuryWallet != address(0), "BMACC: The treasuryWallet cannot be 0");
emit WalletChange("treasuryWallet", newTreasuryWallet, treasuryWallet);
treasuryWallet = newTreasuryWallet;
}
if (creatorWallet != newCreatorWallet) {
require(newCreatorWallet != address(0), "BMACC: The creatorWallet cannot be 0");
emit WalletChange("creatorWallet", newCreatorWallet, creatorWallet);
creatorWallet = newCreatorWallet;
}
if (stakingWallet != newStakingWallet) {
require(newStakingWallet != address(0), "BMACC: The stakingWallet cannot be 0");
emit WalletChange("stakingWallet", newStakingWallet, stakingWallet);
stakingWallet = newStakingWallet;
}
if (liquidityWallet != newLiquidityWallet) {
require(newLiquidityWallet != address(0), "BMACC: The liquidityWallet cannot be 0");
emit WalletChange("liquidityWallet", newLiquidityWallet, liquidityWallet);
liquidityWallet = newLiquidityWallet;
}
}
function setFees(uint256 newOperationsBuySellFee, uint256 newTreasuryBuySellFee, uint256 newCreatorBuySellFee, uint256 newStakingBuySellFee, uint256 newLiqudityBuySellFee) external onlyOwner {
require((newOperationsBuySellFee + newTreasuryBuySellFee + newCreatorBuySellFee + newStakingBuySellFee + newLiqudityBuySellFee) <= 2500, "BMACC: Fees must be less or equal to 25%");
if (_operationsBuySellFee != newOperationsBuySellFee) {
emit FeeChange("operationsBuySellFee", newOperationsBuySellFee, _operationsBuySellFee);
_operationsBuySellFee = newOperationsBuySellFee;
}
if (_treasuryBuySellFee != newTreasuryBuySellFee) {
emit FeeChange("treasuryBuySellFee", newTreasuryBuySellFee, _treasuryBuySellFee);
_treasuryBuySellFee = newTreasuryBuySellFee;
}
if (_creatorBuySellFee != newCreatorBuySellFee) {
emit FeeChange("creatorBuySellFee", newCreatorBuySellFee, _creatorBuySellFee);
_creatorBuySellFee = newCreatorBuySellFee;
}
if (_stakingBuySellFee != newStakingBuySellFee) {
emit FeeChange("stakingBuySellFee", newStakingBuySellFee, _stakingBuySellFee);
_stakingBuySellFee = newStakingBuySellFee;
}
if (_liquidityBuySellFee != newLiqudityBuySellFee) {
emit FeeChange("liquidityBuySellFee", newLiqudityBuySellFee, _liquidityBuySellFee);
_liquidityBuySellFee = newLiqudityBuySellFee;
}
}
function setMinimumTokensBeforeSwap(uint256 newValue) external onlyOwner {
require(newValue != minimumTokensBeforeSwap,"BMACC: Cannot update minimumTokensBeforeSwap to same value");
emit MinTokenAmountBeforeSwapChange(newValue, minimumTokensBeforeSwap);
minimumTokensBeforeSwap = newValue;
}
function claimOverflow(uint256 amount, address tokenAddress) external onlyOwner {
require(amount <= balanceOf(address(tokenAddress)), "BMACC: Cannot send more than contract balance");
(bool success) = IERC20(address(tokenAddress)).transfer(owner(), amount);
if (success){
emit ClaimOverflow(tokenAddress, amount);
}
}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
require(automatedMarketMakerPairs[pair] != value, "BMACC: Automated market maker pair is already set to that value");
automatedMarketMakerPairs[pair] = value;
emit AutomatedMarketMakerPairChange(pair, value);
}
function getFees() external view returns (uint256, uint256, uint256, uint256, uint256) {
return (_operationsBuySellFee, _treasuryBuySellFee, _creatorBuySellFee, _stakingBuySellFee, _liquidityBuySellFee);
}
function _transfer(
address from,
address to,
uint256 amount
) internal override {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
if (amount == 0) {
super._transfer(from, to, 0);
return;
}
if (!_isAllowedToTradeWhenDisabled[from] && !_isAllowedToTradeWhenDisabled[to]) {
require(isTradingEnabled, "BMACC: Trading is currently disabled");
}
_adjustTaxes(automatedMarketMakerPairs[from], automatedMarketMakerPairs[to]);
bool canSwap = balanceOf(address(this)) >= minimumTokensBeforeSwap;
if (
isTradingEnabled &&
canSwap &&
!_swapping &&
_totalFee > 0 &&
automatedMarketMakerPairs[to]
) {
_swapping = true;
_swapAndTransfer();
_swapping = false;
}
bool takeFee = !_swapping && isTradingEnabled;
if (_isExcludedFromFee[from] || _isExcludedFromFee[to]) {
takeFee = false;
}
if (takeFee && _totalFee > 0) {
uint256 fee = (amount * _totalFee) / 10000;
amount = amount - fee;
super._transfer(from, address(this), fee);
}
super._transfer(from, to, amount);
}
function _adjustTaxes(bool isBuy, bool isSell) private {
_operationsFee = 0;
_treasuryFee = 0;
_creatorFee = 0;
_stakingFee = 0;
_liquidityFee = 0;
if (isBuy || isSell) {
_operationsFee = _operationsBuySellFee;
_treasuryFee = _treasuryBuySellFee;
_creatorFee = _creatorBuySellFee;
_stakingFee = _stakingBuySellFee;
_liquidityFee = _liquidityBuySellFee;
if (isBuy && _launchBlock > 0 && (block.number - _launchBlock <= 50)) {
_operationsFee = 10000;
_treasuryFee = 0;
_creatorFee = 0;
_stakingFee = 0;
_liquidityFee = 0;
}
if ((block.number - _launchBlock > 50) && (block.timestamp - _launchTimestamp <= 172800)) {
uint256 feeReduction = (300 * (block.timestamp - _launchTimestamp)) / 172800;
_operationsFee = 400 - feeReduction;
_treasuryFee = 400 - feeReduction;
_creatorFee = 400 - feeReduction;
_stakingFee = 400 - feeReduction;
_liquidityFee = 400 - feeReduction;
}
}
_totalFee = _operationsFee + _treasuryFee + _creatorFee + _stakingFee + _liquidityFee;
emit FeesApplied(_totalFee);
}
function _swapAndTransfer() private {
uint256 contractBalance = balanceOf(address(this));
uint256 initialETHBalance = address(this).balance;
uint256 _totalFeePrior = _totalFee;
uint256 amountToLiquify = (contractBalance * _liquidityFee) / _totalFeePrior / 2;
uint256 amountToSwap = contractBalance - amountToLiquify;
_swapTokensForETH(amountToSwap);
uint256 ETHBalanceAfterSwap = address(this).balance - initialETHBalance;
uint256 denominator = _totalFeePrior - (_liquidityFee / 2);
uint256 liquidityAmount = ETHBalanceAfterSwap * _liquidityFee / denominator / 2;
uint256 operationsAmount = ETHBalanceAfterSwap * _operationsFee / denominator;
uint256 treasuryAmount = ETHBalanceAfterSwap * _treasuryFee / denominator;
uint256 creatorAmount = ETHBalanceAfterSwap * _creatorFee / denominator;
uint256 stakingAmount = ETHBalanceAfterSwap - (liquidityAmount + operationsAmount + treasuryAmount + creatorAmount);
_swapETHForCustomToken(operationsAmount, USDC, operationsWallet);
_swapETHForCustomToken(treasuryAmount, USDC, treasuryWallet);
_swapETHForCustomToken(creatorAmount, USDC, creatorWallet);
_swapETHForCustomToken(stakingAmount, USDC, stakingWallet);
if (amountToLiquify > 0) {
_addLiquidity(amountToLiquify, liquidityAmount);
emit SwapAndLiquify(amountToSwap, liquidityAmount, amountToLiquify);
}
_totalFee = _totalFeePrior;
}
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,
1,
path,
address(this),
block.timestamp
);
}
function _swapETHForCustomToken(uint256 ethAmount, address token, address wallet) private {
address[] memory path = new address[](2);
path[0] = uniswapV2Router.WETH();
path[1] = token;
uniswapV2Router.swapExactETHForTokens{value : ethAmount}(
1,
path,
wallet,
block.timestamp
);
}
function _addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{ value: ethAmount }(
address(this),
tokenAmount,
1,
1,
liquidityWallet,
block.timestamp
);
}
}