Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Is this a proxy?
• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: UNLICENSED
// openzeppelin-contracts-upgradeable v3.0.0

pragma solidity 0.6.10;

import "./UpgradeabilityProxy.sol";

/**
 * @title OwnedUpgradeabilityProxy
 * @dev This contract combines an upgradeability proxy with basic authorization control functionalities
 */
contract OwnedUpgradeabilityProxy is UpgradeabilityProxy {
    /**
     * @dev Event to show ownership has been transferred
     * @param previousOwner representing the address of the previous owner
     * @param newOwner representing the address of the new owner
     */
    event ProxyOwnershipTransferred(address previousOwner, address newOwner);

    /// @dev Storage position of the owner of the contract
    bytes32 private constant proxyOwnerPosition = keccak256("org.zeppelinos.proxy.owner");

    /**
     * @dev the constructor sets the original owner of the contract to the sender account.
     */
    constructor() public {
        setUpgradeabilityOwner(msg.sender);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyProxyOwner() {
        require(msg.sender == proxyOwner());
        _;
    }

    /**
     * @dev Tells the address of the owner
     * @return owner the address of the owner
     */
    function proxyOwner() public view returns (address owner) {
        bytes32 position = proxyOwnerPosition;
        assembly {
            owner := sload(position)
        }
    }

    /**
     * @dev Sets the address of the owner
     * @param _newProxyOwner address of new proxy owner
     */
    function setUpgradeabilityOwner(address _newProxyOwner) internal {
        bytes32 position = proxyOwnerPosition;
        assembly {
            sstore(position, _newProxyOwner)
        }
    }

    /**
     * @dev Allows the current owner to transfer control of the contract to a newOwner.
     * @param _newOwner The address to transfer ownership to.
     */
    function transferProxyOwnership(address _newOwner) public onlyProxyOwner {
        require(_newOwner != address(0));
        emit ProxyOwnershipTransferred(proxyOwner(), _newOwner);
        setUpgradeabilityOwner(_newOwner);
    }

    /**
     * @dev Allows the proxy owner to upgrade the current version of the proxy.
     * @param _implementation representing the address of the new implementation to be set.
     */
    function upgradeTo(address _implementation) public onlyProxyOwner {
        _upgradeTo(_implementation);
    }

    /**
     * @dev Allows the proxy owner to upgrade the current version of the proxy and call the new implementation
     * to initialize whatever is needed through a low level call.
     * @param _implementation representing the address of the new implementation to be set.
     * @param _data represents the msg.data to bet sent in the low level call. This parameter may include the function
     * signature of the implementation to be called with the needed payload
     */
    function upgradeToAndCall(address _implementation, bytes calldata _data) public payable onlyProxyOwner {
        upgradeTo(_implementation);
        (bool success, ) = address(this).call{value: msg.value}(_data);
        require(success);
    }
}

// SPDX-License-Identifier: UNLICENSED
// openzeppelin-contracts-upgradeable v3.0.0

pragma solidity 0.6.10;

import "./Proxy.sol";

/**
 * @title UpgradeabilityProxy
 * @dev This contract represents a proxy where the implementation address to which it will delegate can be upgraded
 */
contract UpgradeabilityProxy is Proxy {
    /**
     * @dev This event will be emitted every time the implementation gets upgraded
     * @param implementation representing the address of the upgraded implementation
     */
    event Upgraded(address indexed implementation);

    /// @dev Storage position of the address of the current implementation
    bytes32 private constant implementationPosition = keccak256("org.zeppelinos.proxy.implementation");

    /**
     * @dev Tells the address of the current implementation
     * @return impl address of the current implementation
     */
    function implementation() public view override returns (address impl) {
        bytes32 position = implementationPosition;
        assembly {
            impl := sload(position)
        }
    }

    /**
     * @dev Sets the address of the current implementation
     * @param _newImplementation address representing the new implementation to be set
     */
    function setImplementation(address _newImplementation) internal {
        bytes32 position = implementationPosition;
        assembly {
            sstore(position, _newImplementation)
        }
    }

    /**
     * @dev Upgrades the implementation address
     * @param _newImplementation representing the address of the new implementation to be set
     */
    function _upgradeTo(address _newImplementation) internal {
        address currentImplementation = implementation();
        require(currentImplementation != _newImplementation);
        setImplementation(_newImplementation);
        emit Upgraded(_newImplementation);
    }
}

// SPDX-License-Identifier: UNLICENSED
// openzeppelin-contracts-upgradeable v3.0.0

pragma solidity 0.6.10;

/**
 * @title Proxy
 * @dev Gives the possibility to delegate any call to a foreign implementation.
 */
abstract contract Proxy {
    /**
     * @dev Tells the address of the implementation where every call will be delegated.
     * @return address of the implementation to which it will be delegated
     */
    function implementation() public view virtual returns (address);

    /**
     * @dev Fallback function allowing to perform a delegatecall to the given implementation.
     * This function will return whatever the implementation call returns
     */
    fallback() external payable {
        address _impl = implementation();
        require(_impl != address(0));

        assembly {
            let ptr := mload(0x40)
            calldatacopy(ptr, 0, calldatasize())
            let result := delegatecall(gas(), _impl, ptr, calldatasize(), 0, 0)
            let size := returndatasize()
            returndatacopy(ptr, 0, size)

            switch result
            case 0 {
                revert(ptr, size)
            }
            default {
                return(ptr, size)
            }
        }
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":false,"internalType":"address","name":"newOwner","type":"address"}],"name":"ProxyOwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"impl","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"proxyOwner","outputs":[{"internalType":"address","name":"owner","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"transferProxyOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_implementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_implementation","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"}]

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