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// SPDX-License-Identifier: BUSL-1.1

pragma solidity 0.8.18;

import "./interfaces/IModuleCalls.sol";

contract MultiCallUtilsZkSync {
    // Errors
    error DelegateCallNotAllowed(uint256 _index);
    error CallReverted(uint256 _index, bytes _result);
    error NotSupported();

    function multiCall(
        IModuleCalls.Transaction[] memory _txs
    ) public payable returns (bool[] memory _successes, bytes[] memory _results) {
        _successes = new bool[](_txs.length);
        _results = new bytes[](_txs.length);

        for (uint256 i = 0; i < _txs.length; i++) {
            IModuleCalls.Transaction memory transaction = _txs[i];

            if (transaction.delegateCall) revert DelegateCallNotAllowed(i);
            if (gasleft() < transaction.gasLimit) revert IModuleCalls.NotEnoughGas(i, transaction.gasLimit, gasleft());

            // solhint-disable
            (_successes[i], _results[i]) = transaction.target.call{
                value: transaction.value,
                gas: transaction.gasLimit == 0 ? gasleft() : transaction.gasLimit
            }(transaction.data);
            // solhint-enable

            if (!_successes[i] && _txs[i].revertOnError) revert CallReverted(i, _results[i]);
        }
    }

    // ///
    // Globals
    // ///

    function callBlockhash(uint256 _i) external view returns (bytes32) {
        return blockhash(_i);
    }

    function callCoinbase() external view returns (address) {
        return block.coinbase;
    }

    function callDifficulty() external view returns (uint256) {
        return block.prevrandao; // old block.difficulty
    }

    function callPrevrandao() external view returns (uint256) {
        return block.prevrandao;
    }

    function callGasLimit() external view returns (uint256) {
        return block.gaslimit;
    }

    function callBlockNumber() external view returns (uint256) {
        return block.number;
    }

    function callTimestamp() external view returns (uint256) {
        return block.timestamp;
    }

    function callGasLeft() external view returns (uint256) {
        return gasleft();
    }

    function callGasPrice() external view returns (uint256) {
        return tx.gasprice;
    }

    function callOrigin() external pure returns (address) {
        revert NotSupported();
    }

    function callBalanceOf(address _addr) external view returns (uint256) {
        return _addr.balance;
    }

    function callCodeSize(address _addr) external view returns (uint256 size) {
        assembly {
            size := extcodesize(_addr)
        }
    }

    function callCode(address _addr) external view returns (bytes memory code) {
        revert NotSupported();
    }

    function callCodeHash(address _addr) external view returns (bytes32 codeHash) {
        assembly {
            codeHash := extcodehash(_addr)
        }
    }

    function callChainId() external view returns (uint256 id) {
        assembly {
            id := chainid()
        }
    }
}

// SPDX-License-Identifier: BUSL-1.1

pragma solidity 0.8.18;

interface IModuleCalls {
    // Events
    event TxFailed(bytes32 indexed _tx, uint256 _index, bytes _reason);
    event TxExecuted(bytes32 indexed _tx, uint256 _index);

    // Errors
    error NotEnoughGas(uint256 _index, uint256 _requested, uint256 _available);
    error InvalidSignature(bytes32 _hash, bytes _signature);

    // Transaction structure
    struct Transaction {
        bool delegateCall; // Performs delegatecall
        bool revertOnError; // Reverts transaction bundle if tx fails
        uint256 gasLimit; // Maximum gas to be forwarded
        address target; // Address of the contract to call
        uint256 value; // Amount of ETH to pass with the call
        bytes data; // calldata to pass
    }

    /**
     * @notice Allow wallet owner to execute an action
     * @param _txs        Transactions to process
     * @param _nonce      Signature nonce (may contain an encoded space)
     * @param _signature  Encoded signature
     */
    function execute(Transaction[] calldata _txs, uint256 _nonce, bytes calldata _signature) external;

    /**
     * @notice Allow wallet to execute an action
     *   without signing the message
     * @param _txs  Transactions to execute
     */
    function selfExecute(Transaction[] calldata _txs) external;
}

{
  "optimizer": {
    "enabled": true,
    "mode": "z"
  },
  "outputSelection": {
    "*": {
      "*": [
        "abi"
      ]
    }
  },
  "detectMissingLibraries": false,
  "forceEVMLA": false,
  "enableEraVMExtensions": false,
  "libraries": {}
}

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[{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"},{"internalType":"bytes","name":"_result","type":"bytes"}],"name":"CallReverted","type":"error"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"DelegateCallNotAllowed","type":"error"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"},{"internalType":"uint256","name":"_requested","type":"uint256"},{"internalType":"uint256","name":"_available","type":"uint256"}],"name":"NotEnoughGas","type":"error"},{"inputs":[],"name":"NotSupported","type":"error"},{"inputs":[{"internalType":"address","name":"_addr","type":"address"}],"name":"callBalanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"callBlockNumber","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_i","type":"uint256"}],"name":"callBlockhash","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"callChainId","outputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_addr","type":"address"}],"name":"callCode","outputs":[{"internalType":"bytes","name":"code","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_addr","type":"address"}],"name":"callCodeHash","outputs":[{"internalType":"bytes32","name":"codeHash","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_addr","type":"address"}],"name":"callCodeSize","outputs":[{"internalType":"uint256","name":"size","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"callCoinbase","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"callDifficulty","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"callGasLeft","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"callGasLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"callGasPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"callOrigin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"callPrevrandao","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"callTimestamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"bool","name":"delegateCall","type":"bool"},{"internalType":"bool","name":"revertOnError","type":"bool"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"address","name":"target","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"internalType":"struct IModuleCalls.Transaction[]","name":"_txs","type":"tuple[]"}],"name":"multiCall","outputs":[{"internalType":"bool[]","name":"_successes","type":"bool[]"},{"internalType":"bytes[]","name":"_results","type":"bytes[]"}],"stateMutability":"payable","type":"function"}]

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