ETH Price: $3,326.03 (+1.87%)
Gas: 6 Gwei

Contract

0x57ADe7D5E9D2F45A07f8039Da7228ACC305fbeaF
 

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Transaction Hash
Method
Block
From
To
Transfer Ownersh...115107532020-12-23 15:58:041313 days ago1608739084IN
0x57ADe7D5...C305fbeaF
0 ETH0.00361448117.00000145
Transfer Ownersh...114783852020-12-18 16:56:491318 days ago1608310609IN
0x57ADe7D5...C305fbeaF
0 ETH0.0030905100
Set Controller114770732020-12-18 12:02:061319 days ago1608292926IN
0x57ADe7D5...C305fbeaF
0 ETH0.0563857100
Set Margin Calcu...114766702020-12-18 10:33:321319 days ago1608287612IN
0x57ADe7D5...C305fbeaF
0 ETH0.004607100
Set Margin Pool114766632020-12-18 10:31:171319 days ago1608287477IN
0x57ADe7D5...C305fbeaF
0 ETH0.0046048100
Set Oracle114766542020-12-18 10:28:461319 days ago1608287326IN
0x57ADe7D5...C305fbeaF
0 ETH0.0046049100
Set Whitelist114766502020-12-18 10:27:301319 days ago1608287250IN
0x57ADe7D5...C305fbeaF
0 ETH0.0046093100
Set Otoken Impl114766452020-12-18 10:26:251319 days ago1608287185IN
0x57ADe7D5...C305fbeaF
0 ETH0.0046038100
Set Otoken Facto...114766412020-12-18 10:25:471319 days ago1608287147IN
0x57ADe7D5...C305fbeaF
0 ETH0.0046026100
0x60806040114766342020-12-18 10:24:221319 days ago1608287062IN
 Create: AddressBook
0 ETH0.1154851100

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114770732020-12-18 12:02:061319 days ago1608292926
0x57ADe7D5...C305fbeaF
 Contract Creation0 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
AddressBook

Compiler Version
v0.6.10+commit.00c0fcaf

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 6 : AddressBook.sol
/**
 * SPDX-License-Identifier: UNLICENSED
 */
pragma solidity 0.6.10;

import {Ownable} from "./packages/oz/Ownable.sol";
import {OwnedUpgradeabilityProxy} from "./packages/oz/upgradeability/OwnedUpgradeabilityProxy.sol";

/**
 * @author Opyn Team
 * @title AddressBook Module
 */
contract AddressBook is Ownable {
    /// @dev Otoken implementation key
    bytes32 private constant OTOKEN_IMPL = keccak256("OTOKEN_IMPL");
    /// @dev OtokenFactory key
    bytes32 private constant OTOKEN_FACTORY = keccak256("OTOKEN_FACTORY");
    /// @dev Whitelist key
    bytes32 private constant WHITELIST = keccak256("WHITELIST");
    /// @dev Controller key
    bytes32 private constant CONTROLLER = keccak256("CONTROLLER");
    /// @dev MarginPool key
    bytes32 private constant MARGIN_POOL = keccak256("MARGIN_POOL");
    /// @dev MarginCalculator key
    bytes32 private constant MARGIN_CALCULATOR = keccak256("MARGIN_CALCULATOR");
    /// @dev LiquidationManager key
    bytes32 private constant LIQUIDATION_MANAGER = keccak256("LIQUIDATION_MANAGER");
    /// @dev Oracle key
    bytes32 private constant ORACLE = keccak256("ORACLE");

    /// @dev mapping between key and address
    mapping(bytes32 => address) private addresses;

    /// @notice emits an event when a new proxy is created
    event ProxyCreated(bytes32 indexed id, address indexed proxy);
    /// @notice emits an event when a new address is added
    event AddressAdded(bytes32 indexed id, address indexed add);

    /**
     * @notice return Otoken implementation address
     * @return Otoken implementation address
     */
    function getOtokenImpl() external view returns (address) {
        return getAddress(OTOKEN_IMPL);
    }

    /**
     * @notice return oTokenFactory address
     * @return OtokenFactory address
     */
    function getOtokenFactory() external view returns (address) {
        return getAddress(OTOKEN_FACTORY);
    }

    /**
     * @notice return Whitelist address
     * @return Whitelist address
     */
    function getWhitelist() external view returns (address) {
        return getAddress(WHITELIST);
    }

    /**
     * @notice return Controller address
     * @return Controller address
     */
    function getController() external view returns (address) {
        return getAddress(CONTROLLER);
    }

    /**
     * @notice return MarginPool address
     * @return MarginPool address
     */
    function getMarginPool() external view returns (address) {
        return getAddress(MARGIN_POOL);
    }

    /**
     * @notice return MarginCalculator address
     * @return MarginCalculator address
     */
    function getMarginCalculator() external view returns (address) {
        return getAddress(MARGIN_CALCULATOR);
    }

    /**
     * @notice return LiquidationManager address
     * @return LiquidationManager address
     */
    function getLiquidationManager() external view returns (address) {
        return getAddress(LIQUIDATION_MANAGER);
    }

    /**
     * @notice return Oracle address
     * @return Oracle address
     */
    function getOracle() external view returns (address) {
        return getAddress(ORACLE);
    }

    /**
     * @notice set Otoken implementation address
     * @dev can only be called by the addressbook owner
     * @param _otokenImpl Otoken implementation address
     */
    function setOtokenImpl(address _otokenImpl) external onlyOwner {
        setAddress(OTOKEN_IMPL, _otokenImpl);
    }

    /**
     * @notice set OtokenFactory address
     * @dev can only be called by the addressbook owner
     * @param _otokenFactory OtokenFactory address
     */
    function setOtokenFactory(address _otokenFactory) external onlyOwner {
        setAddress(OTOKEN_FACTORY, _otokenFactory);
    }

    /**
     * @notice set Whitelist address
     * @dev can only be called by the addressbook owner
     * @param _whitelist Whitelist address
     */
    function setWhitelist(address _whitelist) external onlyOwner {
        setAddress(WHITELIST, _whitelist);
    }

    /**
     * @notice set Controller address
     * @dev can only be called by the addressbook owner
     * @param _controller Controller address
     */
    function setController(address _controller) external onlyOwner {
        updateImpl(CONTROLLER, _controller);
    }

    /**
     * @notice set MarginPool address
     * @dev can only be called by the addressbook owner
     * @param _marginPool MarginPool address
     */
    function setMarginPool(address _marginPool) external onlyOwner {
        setAddress(MARGIN_POOL, _marginPool);
    }

    /**
     * @notice set MarginCalculator address
     * @dev can only be called by the addressbook owner
     * @param _marginCalculator MarginCalculator address
     */
    function setMarginCalculator(address _marginCalculator) external onlyOwner {
        setAddress(MARGIN_CALCULATOR, _marginCalculator);
    }

    /**
     * @notice set LiquidationManager address
     * @dev can only be called by the addressbook owner
     * @param _liquidationManager LiquidationManager address
     */
    function setLiquidationManager(address _liquidationManager) external onlyOwner {
        setAddress(LIQUIDATION_MANAGER, _liquidationManager);
    }

    /**
     * @notice set Oracle address
     * @dev can only be called by the addressbook owner
     * @param _oracle Oracle address
     */
    function setOracle(address _oracle) external onlyOwner {
        setAddress(ORACLE, _oracle);
    }

    /**
     * @notice return an address for specific key
     * @param _key key address
     * @return address
     */
    function getAddress(bytes32 _key) public view returns (address) {
        return addresses[_key];
    }

    /**
     * @notice set a specific address for a specific key
     * @dev can only be called by the addressbook owner
     * @param _key key
     * @param _address address
     */
    function setAddress(bytes32 _key, address _address) public onlyOwner {
        addresses[_key] = _address;

        emit AddressAdded(_key, _address);
    }

    /**
     * @dev function to update the implementation of a specific component of the protocol
     * @param _id id of the contract to be updated
     * @param _newAddress address of the new implementation
     **/
    function updateImpl(bytes32 _id, address _newAddress) public onlyOwner {
        address payable proxyAddress = address(uint160(getAddress(_id)));

        if (proxyAddress == address(0)) {
            bytes memory params = abi.encodeWithSignature("initialize(address,address)", address(this), owner());
            OwnedUpgradeabilityProxy proxy = new OwnedUpgradeabilityProxy();
            setAddress(_id, address(proxy));
            emit ProxyCreated(_id, address(proxy));
            proxy.upgradeToAndCall(_newAddress, params);
        } else {
            OwnedUpgradeabilityProxy proxy = OwnedUpgradeabilityProxy(proxyAddress);
            proxy.upgradeTo(_newAddress);
        }
    }
}

File 2 of 6 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.10;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with GSN meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal virtual view returns (address payable) {
        return msg.sender;
    }

    function _msgData() internal virtual view returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

File 3 of 6 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.10;

import "./Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

File 4 of 6 : OwnedUpgradeabilityProxy.sol
// SPDX-License-Identifier: UNLICENSED
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);
    }
}

File 5 of 6 : Proxy.sol
// SPDX-License-Identifier: UNLICENSED
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 virtual view 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)
                }
        }
    }
}

File 6 of 6 : UpgradeabilityProxy.sol
// SPDX-License-Identifier: UNLICENSED
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 override view 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);
    }
}

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

Contract Security Audit

Contract ABI

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"id","type":"bytes32"},{"indexed":true,"internalType":"address","name":"add","type":"address"}],"name":"AddressAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"id","type":"bytes32"},{"indexed":true,"internalType":"address","name":"proxy","type":"address"}],"name":"ProxyCreated","type":"event"},{"inputs":[{"internalType":"bytes32","name":"_key","type":"bytes32"}],"name":"getAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getController","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLiquidationManager","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMarginCalculator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMarginPool","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getOracle","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getOtokenFactory","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getOtokenImpl","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getWhitelist","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_key","type":"bytes32"},{"internalType":"address","name":"_address","type":"address"}],"name":"setAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_controller","type":"address"}],"name":"setController","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_liquidationManager","type":"address"}],"name":"setLiquidationManager","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_marginCalculator","type":"address"}],"name":"setMarginCalculator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_marginPool","type":"address"}],"name":"setMarginPool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_oracle","type":"address"}],"name":"setOracle","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_otokenFactory","type":"address"}],"name":"setOtokenFactory","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_otokenImpl","type":"address"}],"name":"setOtokenImpl","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_whitelist","type":"address"}],"name":"setWhitelist","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_id","type":"bytes32"},{"internalType":"address","name":"_newAddress","type":"address"}],"name":"updateImpl","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.