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Contract

0x4d7a0e7568300b49795CDE784e67b9C35EFd018C
 

Overview

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0 ETH

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$0.00

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Parent Transaction Hash Block From To
194170952024-03-12 6:05:11269 days ago1710223511  Contract Creation0 ETH
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xA6B8CA10...5a8c08B9b
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
BeaconProxy

Compiler Version
v0.8.17+commit.8df45f5f

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 3 : BeaconProxy.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/proxy/beacon/IBeacon.sol";
import "@openzeppelin/contracts/proxy/Proxy.sol";

/// @custom:security-contact [email protected]
contract BeaconProxy is Proxy {
    IBeacon private immutable _beacon;

    event BeaconUpgraded(IBeacon indexed beacon);

    constructor(IBeacon beacon)
    {
        _beacon = beacon;
        emit BeaconUpgraded(beacon);
    }

    function _implementation()
        internal
        view
        override
        returns (address)
    {
        return _beacon.implementation();
    }
}

File 2 of 3 : IBeacon.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.0;

/**
 * @dev This is the interface that {BeaconProxy} expects of its beacon.
 */
interface IBeacon {
    /**
     * @dev Must return an address that can be used as a delegate call target.
     *
     * {BeaconProxy} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

File 3 of 3 : Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)

pragma solidity ^0.8.0;

/**
 * @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
 * instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
 * be specified by overriding the virtual {_implementation} function.
 *
 * Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
 * different contract through the {_delegate} function.
 *
 * The success and return data of the delegated call will be returned back to the caller of the proxy.
 */
abstract contract Proxy {
    /**
     * @dev Delegates the current call to `implementation`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _delegate(address implementation) internal virtual {
        assembly {
            // Copy msg.data. We take full control of memory in this inline assembly
            // block because it will not return to Solidity code. We overwrite the
            // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

            // Call the implementation.
            // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

            // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 {
                revert(0, returndatasize())
            }
            default {
                return(0, returndatasize())
            }
        }
    }

    /**
     * @dev This is a virtual function that should be overridden so it returns the address to which the fallback function
     * and {_fallback} should delegate.
     */
    function _implementation() internal view virtual returns (address);

    /**
     * @dev Delegates the current call to the address returned by `_implementation()`.
     *
     * This function does not return to its internal call site, it will return directly to the external caller.
     */
    function _fallback() internal virtual {
        _beforeFallback();
        _delegate(_implementation());
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
     * function in the contract matches the call data.
     */
    fallback() external payable virtual {
        _fallback();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive() external payable virtual {
        _fallback();
    }

    /**
     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
     * call, or as part of the Solidity `fallback` or `receive` functions.
     *
     * If overridden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "viaIR": true,
  "debug": {
    "revertStrings": "strip"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"contract IBeacon","name":"beacon","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"contract IBeacon","name":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]

Deployed Bytecode

0x6080806040523615610016575b6100146100da565b005b635c60da1b60e01b81526020816004817f000000000000000000000000f6fd7647cacc1d570f328fc0f09d9118041ea1726001600160a01b03165afa9081156100ce57600091610071575b5061006b9061017d565b3861000c565b6020913d83116100c6575b601f8301601f191682019067ffffffffffffffff8211838310176100b2575060405261006b916100ac910161019e565b90610061565b634e487b7160e01b81526041600452602490fd5b3d925061007c565b6040513d6000823e3d90fd5b604051635c60da1b60e01b81526020816004817f000000000000000000000000f6fd7647cacc1d570f328fc0f09d9118041ea1726001600160a01b03165afa80156100ce57600090610133575b610131915061017d565b565b6020903d8211610175575b601f8201601f191683019067ffffffffffffffff8211848310176100b2575060405261013191610170918101906101c5565b610127565b3d915061013e565b90506000808092368280378136915af43d82803e1561019a573d90f35b3d90fd5b602090607f1901126101c0576080516001600160a01b03811681036101c05790565b600080fd5b908160209103126101c057516001600160a01b03811681036101c0579056fea2646970667358221220c478b1615b0d76011a7874324ac15b3d7fb464e980c3c09d2d779b62a970e18664736f6c63430008110033

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