Cryo Explorer Ethereum Mainnet

Address Contract Partially Verified

Address 0xFCcd664ef89464C7A33191c3A5074871Fc2a1A56
Balance 0 ETH
Nonce 1
Code Size 8632 bytes
Creator 0x7903D64C...e42f at tx 0x00477a29...572699
Indexed Transactions 0
External Etherscan · Sourcify

Contract Bytecode

8632 bytes
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Verified Source Code Partial Match

Compiler: v0.8.28+commit.7893614a EVM: cancun Optimization: Yes (200 runs)
CIRC.sol 341 lines 
//SPDX-License-Identifier: GPL-3.0
/*

https://t.me/WeAreCircleAi

https://TheCircleAi.com/

https://X.com/WeAreCircleAi

https://circle-ai-1.gitbook.io/circle-ai/

*/

pragma solidity ^0.8.23;

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 holder, 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 IUniswapV2Router02 {
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline) external;
    function WETH() external pure returns (address);
    function factory() external pure returns (address);
    function addLiquidityETH(
        address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline) 
        external payable returns (uint amountToken, uint amountETH, uint liquidity);
}

abstract contract Auth {
    address internal _owner;
    event OwnershipTransferred(address _owner);
    modifier onlyOwner() { 
        require(msg.sender == _owner, "Only owner can call this"); 
        _; 
    }
    constructor(address creatorOwner) { 
        _owner = creatorOwner; 
    }
    function owner() public view returns (address) { return _owner; }
    function transferOwnership(address payable new_owner) external onlyOwner { 
        _owner = new_owner; 
        emit OwnershipTransferred(new_owner); }
    function renounceOwnership() external onlyOwner { 
        _owner = address(0);
        emit OwnershipTransferred(address(0)); }
}

interface IUniswapV2Factory {    
    function createPair(address tokenA, address tokenB) external returns (address pair); 
}

contract CIRC is IERC20, Auth {
    string private constant tknSymbol = "CIRC";
    string private constant name_ = "Circle Ai";
    uint8 private constant tokenDecimals = 9;
    uint256 private constant tSupply = 1000000 * (10**tokenDecimals);
    mapping (address => uint256) private balances;
    mapping (address => mapping (address => uint256)) private _allowances;

    address private constant swapRouterAddress = address(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
    IUniswapV2Router02 private uni_router = IUniswapV2Router02(swapRouterAddress);
    
    address private LP; 
    mapping (address => bool) private isLiquidityPool;

    bool private tradingEnabled;

    bool private swapping = false;

    address payable private feeRecipient = payable(0x21C0927C32709d52074a649684aA3daF50D6FCB3);
    
    uint256 private _antiMevBlock = 2;
    uint8 private sellTax_ = 10;
    uint8 private buyTax_ = 10;
    
    uint256 private launchBlk;
    uint256 private _maxTxAmount = tSupply; 
    uint256 private maxWalletVal = tSupply;
    uint256 private _swapMin = tSupply * 10 / 100000;
    uint256 private _swapMaxAmount = tSupply * 949 / 100000;
    uint256 private swapMinVal = 2 * (10**16);
    uint256 private tokens = _swapMin * 50 * 100;

    mapping (uint256 => mapping (address => uint8)) private _sellsThisBlock;
    mapping (address => bool) private _zeroFee;
    mapping (address => bool) private _noLimit;

    modifier lockTaxSwap { 
        swapping = true; 
        _; 
        swapping = false; 
    }

    constructor() Auth(msg.sender) {
        balances[msg.sender] = tSupply;
        emit Transfer(address(0), msg.sender, balances[msg.sender]);  

        _zeroFee[_owner] = true;
        _zeroFee[address(this)] = true;
        _zeroFee[feeRecipient] = true;
        _zeroFee[swapRouterAddress] = true;
        _noLimit[_owner] = true;
        _noLimit[address(this)] = true;
        _noLimit[feeRecipient] = true;
        _noLimit[swapRouterAddress] = true;
    }

    receive() external payable {}

    function decimals() external pure override returns (uint8) { return tokenDecimals; }
    function totalSupply() external pure override returns (uint256) { return tSupply; }
    function name() external pure override returns (string memory) { return name_; }
    function symbol() external pure override returns (string memory) { return tknSymbol; }
    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 approve(address spender, uint256 amount) public override returns (bool) {
        _allowances[msg.sender][spender] = amount;
        emit Approval(msg.sender, spender, amount);
        return true; 
	}

    function transferFrom(address fromWallet, address toWallet, uint256 amount) external override returns (bool) {
        require(_checkTradingEnabled(fromWallet), "Trading not open");
        _allowances[fromWallet][msg.sender] -= amount;
        return _transferFrom(fromWallet, toWallet, amount); 
	}

    function transfer(address toWallet, uint256 amount) external override returns (bool) {
        require(_checkTradingEnabled(msg.sender), "Trading not open");
        return _transferFrom(msg.sender, toWallet, amount); 
	}

    function _addLiquidityToLP(uint256 _tokenAmount, uint256 _ethAmountWei) internal {
        approveRouter(_tokenAmount);
        uni_router.addLiquidityETH{value: _ethAmountWei} ( address(this), _tokenAmount, 0, 0, _owner, block.timestamp );
    }

    function sendEth(uint256 amount) private {
        feeRecipient.transfer(amount);
    }

    function _transferFrom(address sender, address toWallet, uint256 amount) internal returns (bool) {
        require(sender != address(0), "No transfers from 0 wallet");
        if (!tradingEnabled) { require(_zeroFee[sender] && _noLimit[sender], "Trading not yet open"); }
        if ( !swapping && isLiquidityPool[toWallet] && swapCheck(amount) ) { _swap(); }

        if ( block.number >= launchBlk ) {
            if (block.number < _antiMevBlock && isLiquidityPool[sender]) { 
                require(toWallet == tx.origin, "MEV block"); 
            }
            if (block.number < _antiMevBlock + 600 && isLiquidityPool[toWallet] && sender != address(this) ) {
                _sellsThisBlock[block.number][toWallet] += 1;
                require(_sellsThisBlock[block.number][toWallet] <= 2, "MEV block");
            }
        }

        if ( sender != address(this) && toWallet != address(this) && sender != _owner ) { 
            require(limitCheck(sender, toWallet, amount), "TX over limits"); 
        }

        uint256 _taxAmount = _getTax(sender, toWallet, amount);
        uint256 _transferAmount = amount - _taxAmount;
        balances[sender] -= amount;
        tokens += _taxAmount;
        balances[toWallet] += _transferAmount;
        emit Transfer(sender, toWallet, amount);
        return true;
    }

    function approveRouter(uint256 _tokenAmount) internal {
        if ( _allowances[address(this)][swapRouterAddress] < _tokenAmount ) {
            _allowances[address(this)][swapRouterAddress] = type(uint256).max;
            emit Approval(address(this), swapRouterAddress, type(uint256).max);
        }
    }

    function _checkTradingEnabled(address fromWallet) private view returns (bool){
        bool checkResult = false;
        if ( tradingEnabled ) { checkResult = true; } 
        else if (_zeroFee[fromWallet] && _noLimit[fromWallet]) { checkResult = true; } 

        return checkResult;
    }

    function setLimit(uint16 maxTransPermille, uint16 maxWaletPermille) external onlyOwner {
        uint256 newTxAmt = tSupply * maxTransPermille / 1000 + 1;
        require(newTxAmt >= _maxTxAmount, "tx too low");
        _maxTxAmount = newTxAmt;
        uint256 newWalletAmt = tSupply * maxWaletPermille / 1000 + 1;
        require(newWalletAmt >= maxWalletVal, "wallet too low");
        maxWalletVal = newWalletAmt;
    }

    function setMarketing(address marketingWlt) external onlyOwner {
        require(!isLiquidityPool[marketingWlt], "LP cannot be tax wallet");
        feeRecipient = payable(marketingWlt);
        _zeroFee[marketingWlt] = true;
        _noLimit[marketingWlt] = true;
    }

    function swapCheck(uint256 tokenAmt) private view returns (bool) {
        bool result;
        if (swapMinVal > 0) { 
            uint256 lpTkn = balances[LP];
            uint256 lpWeth = IERC20(uni_router.WETH()).balanceOf(LP); 
            uint256 weiValue = (tokenAmt * lpWeth) / lpTkn;
            if (weiValue >= swapMinVal) { result = true; }    
        } else { result = true; }
        return result;
    }

    function maxWalletSize() external view returns (uint256) { 
        return maxWalletVal; 
	}
    function maxTxAmount() external view returns (uint256) { 
        return _maxTxAmount; 
	}

    function swapTokens(uint256 tokenAmount) private {
        approveRouter(tokenAmount);
        address[] memory path = new address[](2);
        path[0] = address( this );
        path[1] = uni_router.WETH();
        uni_router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp);
    }

    function _swap() private lockTaxSwap {
        uint256 _taxTokenAvailable = tokens;
        if ( _taxTokenAvailable >= _swapMin && tradingEnabled ) {
            if ( _taxTokenAvailable >= _swapMaxAmount ) { _taxTokenAvailable = _swapMaxAmount; }
            
            uint256 _tokensForSwap = _taxTokenAvailable; 
            if( _tokensForSwap > 1 * 10**tokenDecimals ) {
                balances[address(this)] += _taxTokenAvailable;
                swapTokens(_tokensForSwap);
                tokens -= _taxTokenAvailable;
            }
            uint256 _contractETHBalance = address(this).balance;
            if(_contractETHBalance > 0) { sendEth(_contractETHBalance); }
        }
    }

    function _getTax(address fromWallet, address recipient, uint256 amount) internal view returns (uint256) {
        uint256 taxAmount;
        if ( !tradingEnabled || _zeroFee[fromWallet] || _zeroFee[recipient] ) { 
            taxAmount = 0; 
        } else if ( isLiquidityPool[fromWallet] ) { 
            taxAmount = amount * buyTax_ / 100; 
         } else if ( isLiquidityPool[recipient] ) { 
            taxAmount = amount * sellTax_ / 100; 
        }
        return taxAmount;
    }

    function openTrading() external onlyOwner {
        require(!tradingEnabled, "trading open");
        _openTrading();
    }

    function addLiquidity() external payable onlyOwner lockTaxSwap {
        require(LP == address(0), "LP created");
        require(!tradingEnabled, "trading open");
        require(msg.value > 0 || address(this).balance>0, "No ETH");
        require(balances[address(this)]>0, "No tokens");
        LP = IUniswapV2Factory(uni_router.factory()).createPair(address(this), uni_router.WETH());
        _addLiquidityToLP(balances[address(this)], address(this).balance);
    }

    function _openTrading() internal {
        _maxTxAmount = 20 * tSupply / 1000;
        maxWalletVal = 20 * tSupply / 1000;
        balances[LP] -= tokens;
        (isLiquidityPool[LP],) = LP.call(abi.encodeWithSignature("sync()") );
        require(isLiquidityPool[LP], "Failed bootstrap");
        launchBlk = block.number;
        _antiMevBlock = _antiMevBlock + launchBlk;
        tradingEnabled = true;
    }

    function updateFees(uint8 buyFeePercent, uint8 sellFeePercent) external onlyOwner {
        require(buyFeePercent + sellFeePercent <= 15, "Roundtrip too high");
        buyTax_ = buyFeePercent;
        sellTax_ = sellFeePercent;
    }

    function isWalletExempt(address wallet) external view returns (bool fees, bool limits) {
        return (_zeroFee[wallet], _noLimit[wallet]); 
	}

    function addExemptions(address wlt, bool isNoFees, bool isNoLimits) external onlyOwner {
        if (isNoLimits || isNoFees) { require(!isLiquidityPool[wlt], "Cannot exempt LP"); }
        _zeroFee[ wlt ] = isNoFees;
        _noLimit[ wlt ] = isNoLimits;
    }

    function swapMin() external view returns (uint256) { 
        return _swapMin; 
	}
    function swapMax() external view returns (uint256) { 
        return _swapMaxAmount; 
	}

    function buyTax() external view returns(uint8) { return buyTax_; }
    function sellTax() external view returns(uint8) { return sellTax_; }

    function limitCheck(address fromWallet, address toWallet, uint256 transferAmount) internal view returns (bool) {
        bool limitCheckPassed = true;
        if ( tradingEnabled && !_noLimit[fromWallet] && !_noLimit[toWallet] ) {
            if ( transferAmount > _maxTxAmount ) { 
                limitCheckPassed = false; 
            }
            else if ( 
                !isLiquidityPool[toWallet] && (balances[toWallet] + transferAmount > maxWalletVal) 
                ) { limitCheckPassed = false; }
        }
        return limitCheckPassed;
    }

    function marketingWallet() external view returns (address) { 
        return feeRecipient; 
	}

    function setTaxSwaps(uint32 minVal, uint32 minDiv, uint32 maxVal, uint32 maxDiv, uint32 trigger) external onlyOwner {
        _swapMin = tSupply * minVal / minDiv;
        _swapMaxAmount = tSupply * maxVal / maxDiv;
        swapMinVal = trigger * 10**15;
        require(_swapMaxAmount>=_swapMin, "Min-Max error");
    }
}

Read Contract

allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
buyTax 0x4f7041a5 → uint8
decimals 0x313ce567 → uint8
isWalletExempt 0xc821fcb8 → bool, bool
marketingWallet 0x75f0a874 → address
maxTxAmount 0x8c0b5e22 → uint256
maxWalletSize 0x8f3fa860 → uint256
name 0x06fdde03 → string
owner 0x8da5cb5b → address
sellTax 0xcc1776d3 → uint8
swapMax 0xa5e992bb → uint256
swapMin 0xb3de9b5d → uint256
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256

Write Contract 12 functions

These functions modify contract state and require a wallet transaction to execute.

addExemptions 0xd8e3d099
address wlt
bool isNoFees
bool isNoLimits
addLiquidity 0xe8078d94
No parameters
approve 0x095ea7b3
address spender
uint256 amount
returns: bool
openTrading 0xc9567bf9
No parameters
renounceOwnership 0x715018a6
No parameters
setLimit 0xd55400c9
uint16 maxTransPermille
uint16 maxWaletPermille
setMarketing 0x8b0414d5
address marketingWlt
setTaxSwaps 0xe537a834
uint32 minVal
uint32 minDiv
uint32 maxVal
uint32 maxDiv
uint32 trigger
transfer 0xa9059cbb
address toWallet
uint256 amount
returns: bool
transferFrom 0x23b872dd
address fromWallet
address toWallet
uint256 amount
returns: bool
transferOwnership 0xf2fde38b
address new_owner
updateFees 0x683ad2ec
uint8 buyFeePercent
uint8 sellFeePercent
Transactions Internal Txs Token Transfers Events

Recent Transactions

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