Mumbai Testnet

Contract

0x11a689500eCa6B4136eC254F3a07F3684D4d61E7

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MATIC Balance

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Latest 1 internal transaction

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357793992023-05-19 8:48:43422 days ago1684486123  Contract Creation0 MATIC
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x66e1fdeb...c685c8c10
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
UUPSProxy

Compiler Version
v0.8.19+commit.7dd6d404

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 3 : UUPSProxy.sol
// SPDX-License-Identifier: AGPLv3
pragma solidity 0.8.19;

import { UUPSUtils } from "./UUPSUtils.sol";
import { Proxy } from "@openzeppelin/contracts/proxy/Proxy.sol";


/**
 * @title UUPS (Universal Upgradeable Proxy Standard) Proxy
 *
 * NOTE:
 * - Compliant with [Universal Upgradeable Proxy Standard](https://eips.ethereum.org/EIPS/eip-1822)
 * - Compiiant with [Standard Proxy Storage Slots](https://eips.ethereum.org/EIPS/eip-1967)
 * - Implements delegation of calls to other contracts, with proper forwarding of
 *   return values and bubbling of failures.
 * - It defines a fallback function that delegates all calls to the implementation.
 */
contract UUPSProxy is Proxy {

    /**
     * @dev Proxy initialization function.
     *      This should only be called once and it is permission-less.
     * @param initialAddress Initial logic contract code address to be used.
     */
    function initializeProxy(address initialAddress) external {
        require(initialAddress != address(0), "UUPSProxy: zero address");
        require(UUPSUtils.implementation() == address(0), "UUPSProxy: already initialized");
        UUPSUtils.setImplementation(initialAddress);
    }

    /// @dev Proxy._implementation implementation
    function _implementation() internal virtual override view returns (address)
    {
        return UUPSUtils.implementation();
    }

}

File 2 of 3 : UUPSUtils.sol
// SPDX-License-Identifier: AGPLv3
pragma solidity 0.8.19;

/**
 * @title UUPS (Universal Upgradeable Proxy Standard) Shared Library
 */
library UUPSUtils {

    /**
     * @dev Implementation slot constant.
     * Using https://eips.ethereum.org/EIPS/eip-1967 standard
     * Storage slot 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc
     * (obtained as bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1)).
     */
    bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /// @dev Get implementation address.
    function implementation() internal view returns (address impl) {
        assembly { // solium-disable-line
            impl := sload(_IMPLEMENTATION_SLOT)
        }
    }

    /// @dev Set new implementation address.
    function setImplementation(address codeAddress) internal {
        assembly {
            // solium-disable-line
            sstore(
                _IMPLEMENTATION_SLOT,
                codeAddress
            )
        }
    }

}

File 2 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
{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "paris",
  "libraries": {},
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract ABI

[{"stateMutability":"payable","type":"fallback"},{"inputs":[{"internalType":"address","name":"initialAddress","type":"address"}],"name":"initializeProxy","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

Deployed Bytecode

0x6080604052600436106100225760003560e01c80634a0687ef1461003957610031565b366100315761002f610059565b005b61002f610059565b34801561004557600080fd5b5061002f6100543660046101c4565b61006b565b610069610064610171565b6101a0565b565b6001600160a01b0381166100c65760405162461bcd60e51b815260206004820152601760248201527f5555505350726f78793a207a65726f206164647265737300000000000000000060448201526064015b60405180910390fd5b60006100f07f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc5490565b6001600160a01b0316146101465760405162461bcd60e51b815260206004820152601e60248201527f5555505350726f78793a20616c726561647920696e697469616c697a6564000060448201526064016100bd565b61016e817f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc55565b50565b600061019b7f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc5490565b905090565b3660008037600080366000845af43d6000803e8080156101bf573d6000f35b3d6000fd5b6000602082840312156101d657600080fd5b81356001600160a01b03811681146101ed57600080fd5b939250505056fea26469706673582212207b854fb470c84fe2f7ac8508498d435a5f32ef93071c687a148ef683fa3ede9964736f6c63430008130033

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