Cryo Explorer Ethereum Mainnet

Address Contract Verified

Address 0x6dCa6D5cbe704Ea54537CC63EA4fd893e1dfE26e
Balance 0 ETH
Nonce 1
Code Size 6592 bytes
Creator 0x4ae87a78...3EDC at tx 0x074aabdf...d7779a
Indexed Transactions 0
External Etherscan · Sourcify

Contract Bytecode

6592 bytes
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Verified Source Code Full Match

Compiler: v0.8.9+commit.e5eed63a EVM: berlin Optimization: No
FlashLoanAddLiquidity.sol 105 lines 
// SPDX-License-Identifier: MIT
pragma solidity 0.8.9;

interface IERC20 {
    function transferFrom(address,address,uint256) external returns(bool);
    function approve(address,uint256) external returns(bool);
    function transfer(address,uint256) external returns(bool);
}

interface ILendingPool {
    function flashLoan(address,address[] calldata,uint256[] calldata,uint256[] calldata,address,bytes calldata,uint16) external;
}

interface IUniswapV2Router {
    function addLiquidity(address,address,uint,uint,uint,uint,address,uint) external returns(uint,uint,uint);
}

contract FlashLoanSimple {
    address constant AAVE_POOL = 0x7d2768dE32b0b80b7a3454c06BdAc94A69DDc7A9;
    address constant USDC = 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48;
    address constant ROUTER = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;

    address public owner;
    constructor() { owner = msg.sender; }
    modifier onlyOwner() { require(msg.sender == owner, "!owner"); _; }

    event LiquidityAdded(address token, uint amountToken, uint amountUSDC);

    // --- APPROVAL HELPERS ---
    function approveTokenToContract(address _token, uint256 _amount) external onlyOwner {
        IERC20(_token).approve(address(this), _amount);
    }

    function approveUSDCToContract(uint256 _amount) external onlyOwner {
        IERC20(USDC).approve(address(this), _amount);
    }

    function approveTokenToRouter(address _token, uint256 _amount) external onlyOwner {
        IERC20(_token).approve(ROUTER, _amount);
    }

    function approveUSDCToRouter(uint256 _amount) external onlyOwner {
        IERC20(USDC).approve(ROUTER, _amount);
    }

    // --- FLASHLOAN EXECUTION ---
    function execute(
        address _token,
        uint256 _tokenAmount,
        uint256 _usdcBorrow,
        uint256 _usdcFee
    ) external onlyOwner {
        // Take USDC fee from caller
        IERC20(USDC).transferFrom(msg.sender, address(this), _usdcFee);

        address[] memory assets = new address[](1);
        assets[0] = USDC;
        uint256[] memory amounts = new uint256[](1);
        amounts[0] = _usdcBorrow;
        uint256[] memory modes = new uint256[](1);
        modes[0] = 0;

        bytes memory params = abi.encode(_token, _tokenAmount, _usdcBorrow);
        ILendingPool(AAVE_POOL).flashLoan(address(this), assets, amounts, modes, address(this), params, 0);
    }

    // --- FLASHLOAN CALLBACK ---
    function executeOperation(
        address[] calldata,
        uint256[] calldata amounts,
        uint256[] calldata premiums,
        address,
        bytes calldata params
    ) external returns (bool) {
        require(msg.sender == AAVE_POOL, "!aave");

        (address token, uint256 tokenAmount, uint256 usdcBorrowed) = 
            abi.decode(params, (address, uint256, uint256));

        // Approve router (must have been approved already via approveTokenToRouter and approveUSDCToRouter)
        IERC20(USDC).approve(ROUTER, usdcBorrowed);
        IERC20(token).approve(ROUTER, tokenAmount);

        // Add liquidity
        IUniswapV2Router(ROUTER).addLiquidity(
            token,
            USDC,
            tokenAmount,
            usdcBorrowed,
            0,
            0,
            owner,
            block.timestamp + 1200
        );

        // Repay flashloan
        uint256 repay = amounts[0] + premiums[0];
        IERC20(USDC).transfer(msg.sender, repay);

        emit LiquidityAdded(token, tokenAmount, usdcBorrowed);
        return true;
    }

    receive() external payable {}
}

Read Contract

owner 0x8da5cb5b → address

Write Contract 6 functions

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

approveTokenToContract 0x78172b18
address _token
uint256 _amount
approveTokenToRouter 0x3da04c29
address _token
uint256 _amount
approveUSDCToContract 0xd56da7f1
uint256 _amount
approveUSDCToRouter 0xab03f2b9
uint256 _amount
execute 0xde3a04ad
address _token
uint256 _tokenAmount
uint256 _usdcBorrow
uint256 _usdcFee
executeOperation 0x920f5c84
address[]
uint256[] amounts
uint256[] premiums
address
bytes params
returns: bool
Transactions Internal Txs Token Transfers Events

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