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// SPDX-License-Identifier: MIT

pragma solidity 0.8.23;

////// /nix/store/im7ll7dx8gsw2da9k5xwbf8pbjfli2hc-multicall-df1e59d/src/Multicall.sol
/* pragma solidity >=0.5.0; */
/* pragma experimental ABIEncoderV2; */

/// @title Multicall - Aggregate results from multiple read-only function calls
/// @author Michael Elliot <[email protected]>
/// @author Joshua Levine <[email protected]>
/// @author Nick Johnson <[email protected]>
contract Multicall {
  struct Call {
    address target;
    bytes callData;
  }

  function aggregate(Call[] memory calls) public returns (uint256 blockNumber, bytes[] memory returnData) {
    blockNumber = block.number;
    returnData = new bytes[](calls.length);
    for (uint256 i = 0; i < calls.length; i++) {
      (bool success, bytes memory ret) = calls[i].target.call(calls[i].callData);
      require(success);
      returnData[i] = ret;
    }
  }

  // Helper functions
  function getEthBalance(address addr) public view returns (uint256 balance) {
    balance = addr.balance;
  }

  function getBlockHash(uint256 blockNumber) public view returns (bytes32 blockHash) {
    blockHash = blockhash(blockNumber);
  }

  function getLastBlockHash() public view returns (bytes32 blockHash) {
    blockHash = blockhash(block.number - 1);
  }

  function getCurrentBlockTimestamp() public view returns (uint256 timestamp) {
    timestamp = block.timestamp;
  }

  function getCurrentBlockDifficulty() public view returns (uint256 difficulty) {
    difficulty = block.difficulty;
  }

  function getCurrentBlockGasLimit() public view returns (uint256 gaslimit) {
    gaslimit = block.gaslimit;
  }

  function getCurrentBlockCoinbase() public view returns (address coinbase) {
    coinbase = block.coinbase;
  }
}

{
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 50
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

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[{"inputs":[{"components":[{"internalType":"address","name":"target","type":"address"},{"internalType":"bytes","name":"callData","type":"bytes"}],"internalType":"struct Multicall.Call[]","name":"calls","type":"tuple[]"}],"name":"aggregate","outputs":[{"internalType":"uint256","name":"blockNumber","type":"uint256"},{"internalType":"bytes[]","name":"returnData","type":"bytes[]"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"blockNumber","type":"uint256"}],"name":"getBlockHash","outputs":[{"internalType":"bytes32","name":"blockHash","type":"bytes32"}],"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"}]

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