# 多重委托调用

By [web3zoom](https://paragraph.com/@web3zoom) · 2025-07-22

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    // SPDX-License-Identifier: GPL-3.0
    
    pragma solidity ^0.8.30;
    
    contract MultiDelegateCall{
        error DelegatecallFailed();
    
        function multiDelegatecall(bytes[] calldata data)
        external 
        payable 
        returns(bytes[] memory results){
            results = new bytesUnsupported embed;
    
            for(uint i; i<data.length; i++){
                (bool ok, bytes memory res) = address(this).delegatecall(data[i]);
                if (!ok){
                    revert DelegatecallFailed();
                }
                results[i] = res;
            }
        }
    }
    
    contract TestMultiDelegatecall is MultiDelegateCall{
        event Log(address caller, string func, uint i);
    
        function func1(uint x, uint y) external {
            emit Log(msg.sender, "func1", x+y);
        }
    
        function func2() external returns(uint){
            emit Log(msg.sender, "func2", 2);
            return 111;
        }
    }
    
    contract Helper {
        function getFunc1Data(uint x, uint y) external pure returns(bytes memory){
            return abi.encodeWithSelector(TestMultiDelegatecall.func1.selector, x,y);
        }
    
        function getFunc2Data() external pure returns(bytes memory){
            return abi.encodeWithSelector(TestMultiDelegatecall.func2.selector);
        }
    }
    

多重委托调用有可能会

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*Originally published on [web3zoom](https://paragraph.com/@web3zoom/iGLv1gsVuhItzO2JmaPz)*