Address io1kh8v66y5cm688mrjdgtk79gj8xdzud2a0wal9m

// SPDX-License-Identifier: MIT
pragma solidity 0.8.12;

/// @title Multicall3
/// @notice Aggregate results from multiple function calls
/// @dev Multicall & Multicall2 backwards-compatible
/// @dev Aggregate methods are marked `payable` to save 24 gas per call
/// @author Michael Elliot <[email protected]>
/// @author Joshua Levine <[email protected]>
/// @author Nick Johnson <[email protected]>
/// @author Andreas Bigger <[email protected]>
/// @author Matt Solomon <[email protected]>
contract Multicall3 {
    struct Call {
        address target;
        bytes callData;
    }

    struct Call3 {
        address target;
        bool allowFailure;
        bytes callData;
    }

    struct Call3Value {
        address target;
        bool allowFailure;
        uint256 value;
        bytes callData;
    }

    struct Result {
        bool success;
        bytes returnData;
    }

    /// @notice Backwards-compatible call aggregation with Multicall
    /// @param calls An array of Call structs
    /// @return blockNumber The block number where the calls were executed
    /// @return returnData An array of bytes containing the responses
    function aggregate(Call[] calldata calls) public payable returns (uint256 blockNumber, bytes[] memory returnData) {
        blockNumber = block.number;
        uint256 length = calls.length;
        returnData = new bytes[](length);
        Call calldata call;
        for (uint256 i = 0; i < length;) {
            bool success;
            call = calls[i];
            (success, returnData[i]) = call.target.call(call.callData);
            require(success, "Multicall3: call failed");
            unchecked { ++i; }
        }
    }

    /// @notice Backwards-compatible with Multicall2
    /// @notice Aggregate calls without requiring success
    /// @param requireSuccess If true, require all calls to succeed
    /// @param calls An array of Call structs
    /// @return returnData An array of Result structs
    function tryAggregate(bool requireSuccess, Call[] calldata calls) public payable returns (Result[] memory returnData) {
        uint256 length = calls.length;
        returnData = new Result[](length);
        Call calldata call;
        for (uint256 i = 0; i < length;) {
            Result memory result = returnData[i];
            call = calls[i];
            (result.success, result.returnData) = call.target.call(call.callData);
            if (requireSuccess) require(result.success, "Multicall3: call failed");
            unchecked { ++i; }
        }
    }

    /// @notice Backwards-compatible with Multicall2
    /// @notice Aggregate calls and allow failures using tryAggregate
    /// @param calls An array of Call structs
    /// @return blockNumber The block number where the calls were executed
    /// @return blockHash The hash of the block where the calls were executed
    /// @return returnData An array of Result structs
    function tryBlockAndAggregate(bool requireSuccess, Call[] calldata calls) public payable returns (uint256 blockNumber, bytes32 blockHash, Result[] memory returnData) {
        blockNumber = block.number;
        blockHash = blockhash(block.number);
        returnData = tryAggregate(requireSuccess, calls);
    }

    /// @notice Backwards-compatible with Multicall2
    /// @notice Aggregate calls and allow failures using tryAggregate
    /// @param calls An array of Call structs
    /// @return blockNumber The block number where the calls were executed
    /// @return blockHash The hash of the block where the calls were executed
    /// @return returnData An array of Result structs
    function blockAndAggregate(Call[] calldata calls) public payable returns (uint256 blockNumber, bytes32 blockHash, Result[] memory returnData) {
        (blockNumber, blockHash, returnData) = tryBlockAndAggregate(true, calls);
    }

    /// @notice Aggregate calls, ensuring each returns success if required
    /// @param calls An array of Call3 structs
    /// @return returnData An array of Result structs
    function aggregate3(Call3[] calldata calls) public payable returns (Result[] memory returnData) {
        uint256 length = calls.length;
        returnData = new Result[](length);
        Call3 calldata calli;
        for (uint256 i = 0; i < length;) {
            Result memory result = returnData[i];
            calli = calls[i];
            (result.success, result.returnData) = calli.target.call(calli.callData);
            assembly {
                // Revert if the call fails and failure is not allowed
                // `allowFailure := calldataload(add(calli, 0x20))` and `success := mload(result)`
                if iszero(or(calldataload(add(calli, 0x20)), mload(result))) {
                    // set "Error(string)" signature: bytes32(bytes4(keccak256("Error(string)")))
                    mstore(0x00, 0x08c379a000000000000000000000000000000000000000000000000000000000)
                    // set data offset
                    mstore(0x04, 0x0000000000000000000000000000000000000000000000000000000000000020)
                    // set length of revert string
                    mstore(0x24, 0x0000000000000000000000000000000000000000000000000000000000000017)
                    // set revert string: bytes32(abi.encodePacked("Multicall3: call failed"))
                    mstore(0x44, 0x4d756c746963616c6c333a2063616c6c206661696c6564000000000000000000)
                    revert(0x00, 0x64)
                }
            }
            unchecked { ++i; }
        }
    }

    /// @notice Aggregate calls with a msg value
    /// @notice Reverts if msg.value is less than the sum of the call values
    /// @param calls An array of Call3Value structs
    /// @return returnData An array of Result structs
    function aggregate3Value(Call3Value[] calldata calls) public payable returns (Result[] memory returnData) {
        uint256 valAccumulator;
        uint256 length = calls.length;
        returnData = new Result[](length);
        Call3Value calldata calli;
        for (uint256 i = 0; i < length;) {
            Result memory result = returnData[i];
            calli = calls[i];
            uint256 val = calli.value;
            // Humanity will be a Type V Kardashev Civilization before this overflows - andreas
            // ~ 10^25 Wei in existence << ~ 10^76 size uint fits in a uint256
            unchecked { valAccumulator += val; }
            (result.success, result.returnData) = calli.target.call{value: val}(calli.callData);
            assembly {
                // Revert if the call fails and failure is not allowed
                // `allowFailure := calldataload(add(calli, 0x20))` and `success := mload(result)`
                if iszero(or(calldataload(add(calli, 0x20)), mload(result))) {
                    // set "Error(string)" signature: bytes32(bytes4(keccak256("Error(string)")))
                    mstore(0x00, 0x08c379a000000000000000000000000000000000000000000000000000000000)
                    // set data offset
                    mstore(0x04, 0x0000000000000000000000000000000000000000000000000000000000000020)
                    // set length of revert string
                    mstore(0x24, 0x0000000000000000000000000000000000000000000000000000000000000017)
                    // set revert string: bytes32(abi.encodePacked("Multicall3: call failed"))
                    mstore(0x44, 0x4d756c746963616c6c333a2063616c6c206661696c6564000000000000000000)
                    revert(0x00, 0x84)
                }
            }
            unchecked { ++i; }
        }
        // Finally, make sure the msg.value = SUM(call[0...i].value)
        require(msg.value == valAccumulator, "Multicall3: value mismatch");
    }

    /// @notice Returns the block hash for the given block number
    /// @param blockNumber The block number
    function getBlockHash(uint256 blockNumber) public view returns (bytes32 blockHash) {
        blockHash = blockhash(blockNumber);
    }

    /// @notice Returns the block number
    function getBlockNumber() public view returns (uint256 blockNumber) {
        blockNumber = block.number;
    }

    /// @notice Returns the block coinbase
    function getCurrentBlockCoinbase() public view returns (address coinbase) {
        coinbase = block.coinbase;
    }

    /// @notice Returns the block difficulty
    function getCurrentBlockDifficulty() public view returns (uint256 difficulty) {
        difficulty = block.difficulty;
    }

    /// @notice Returns the block gas limit
    function getCurrentBlockGasLimit() public view returns (uint256 gaslimit) {
        gaslimit = block.gaslimit;
    }

    /// @notice Returns the block timestamp
    function getCurrentBlockTimestamp() public view returns (uint256 timestamp) {
        timestamp = block.timestamp;
    }

    /// @notice Returns the (ETH) balance of a given address
    function getEthBalance(address addr) public view returns (uint256 balance) {
        balance = addr.balance;
    }

    /// @notice Returns the block hash of the last block
    function getLastBlockHash() public view returns (bytes32 blockHash) {
        unchecked {
            blockHash = blockhash(block.number - 1);
        }
    }

    /// @notice Gets the base fee of the given block
    /// @notice Can revert if the BASEFEE opcode is not implemented by the given chain
    function getBasefee() public view returns (uint256 basefee) {
        basefee = block.basefee;
    }

    /// @notice Returns the chain id
    function getChainId() public view returns (uint256 chainid) {
        chainid = block.chainid;
    }
}

[{"inputs":[{"components":[{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes","name":"callData","type":"bytes"}],"internalType":"struct Multicall3.Call[]","name":"calls","type":"tuple[]"}],"name":"aggregate","outputs":[{"internalType":"uint256","name":"blockNumber","type":"uint256"},{"internalType":"bytes[]","name":"returnData","type":"bytes[]"}],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"target","type":"address"},{"internalType":"bool","name":"allowFailure","type":"bool"},{"internalType":"bytes","name":"callData","type":"bytes"}],"internalType":"struct Multicall3.Call3[]","name":"calls","type":"tuple[]"}],"name":"aggregate3","outputs":[{"components":[{"internalType":"bool","name":"success","type":"bool"},{"internalType":"bytes","name":"returnData","type":"bytes"}],"internalType":"struct Multicall3.Result[]","name":"returnData","type":"tuple[]"}],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"target","type":"address"},{"internalType":"bool","name":"allowFailure","type":"bool"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"bytes","name":"callData","type":"bytes"}],"internalType":"struct Multicall3.Call3Value[]","name":"calls","type":"tuple[]"}],"name":"aggregate3Value","outputs":[{"components":[{"internalType":"bool","name":"success","type":"bool"},{"internalType":"bytes","name":"returnData","type":"bytes"}],"internalType":"struct Multicall3.Result[]","name":"returnData","type":"tuple[]"}],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes","name":"callData","type":"bytes"}],"internalType":"struct Multicall3.Call[]","name":"calls","type":"tuple[]"}],"name":"blockAndAggregate","outputs":[{"internalType":"uint256","name":"blockNumber","type":"uint256"},{"internalType":"bytes32","name":"blockHash","type":"bytes32"},{"components":[{"internalType":"bool","name":"success","type":"bool"},{"internalType":"bytes","name":"returnData","type":"bytes"}],"internalType":"struct Multicall3.Result[]","name":"returnData","type":"tuple[]"}],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"getBasefee","outputs":[{"internalType":"uint256","name":"basefee","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"blockNumber","type":"uint256"}],"name":"getBlockHash","outputs":[{"internalType":"bytes32","name":"blockHash","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getBlockNumber","outputs":[{"internalType":"uint256","name":"blockNumber","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getChainId","outputs":[{"internalType":"uint256","name":"chainid","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getCurrentBlockCoinbase","outputs":[{"internalType":"address","name":"coinbase","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getCurrentBlockDifficulty","outputs":[{"internalType":"uint256","name":"difficulty","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getCurrentBlockGasLimit","outputs":[{"internalType":"uint256","name":"gaslimit","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getCurrentBlockTimestamp","outputs":[{"internalType":"uint256","name":"timestamp","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"getEthBalance","outputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLastBlockHash","outputs":[{"internalType":"bytes32","name":"blockHash","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bool","name":"requireSuccess","type":"bool"},{"components":[{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes","name":"callData","type":"bytes"}],"internalType":"struct Multicall3.Call[]","name":"calls","type":"tuple[]"}],"name":"tryAggregate","outputs":[{"components":[{"internalType":"bool","name":"success","type":"bool"},{"internalType":"bytes","name":"returnData","type":"bytes"}],"internalType":"struct Multicall3.Result[]","name":"returnData","type":"tuple[]"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bool","name":"requireSuccess","type":"bool"},{"components":[{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes","name":"callData","type":"bytes"}],"internalType":"struct Multicall3.Call[]","name":"calls","type":"tuple[]"}],"name":"tryBlockAndAggregate","outputs":[{"internalType":"uint256","name":"blockNumber","type":"uint256"},{"internalType":"bytes32","name":"blockHash","type":"bytes32"},{"components":[{"internalType":"bool","name":"success","type":"bool"},{"internalType":"bytes","name":"returnData","type":"bytes"}],"internalType":"struct Multicall3.Result[]","name":"returnData","type":"tuple[]"}],"stateMutability":"payable","type":"function"}]

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