ETH Price: $3,259.40 (+2.41%)
Gas: 1 Gwei

Contract

0x97cE06c3e3D027715b2d6C22e67D5096000072E5
 
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Liquid Exit200281712024-06-05 20:59:3550 days ago1717621175IN
0x97cE06c3...6000072E5
0 ETH0.0031069821.56733082
Liquid Exit196306242024-04-11 6:34:23105 days ago1712817263IN
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0 ETH0.0017702413.94333996
Approve189332982024-01-04 10:13:11203 days ago1704363191IN
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0 ETH0.0008565315.09708007
Join189332942024-01-04 10:12:23203 days ago1704363143IN
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0 ETH0.0022519814.92233502
Approve171835582023-05-03 23:50:11449 days ago1683157811IN
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0 ETH0.0022367364.34241139
Approve171833472023-05-03 23:07:47449 days ago1683155267IN
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0 ETH0.002526272.66942725
Liquid Exit164263682023-01-17 11:57:59555 days ago1673956679IN
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0 ETH0.0025705717.76991966
Liquid Exit164263152023-01-17 11:47:23555 days ago1673956043IN
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0 ETH0.0023032615.92200037
Liquid Exit163322312023-01-04 8:28:23568 days ago1672820903IN
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0 ETH0.0022530915.57520686
Approve163321892023-01-04 8:19:59568 days ago1672820399IN
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0 ETH0.0008816215.45431309
Join163321872023-01-04 8:19:35568 days ago1672820375IN
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0 ETH0.0022268414.25079633
Liquid Exit163006032022-12-30 22:35:59573 days ago1672439759IN
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0 ETH0.0048472438
Liquid Exit160673162022-11-28 8:33:47605 days ago1669624427IN
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0 ETH0.0018776612.98206049
Approve160506892022-11-26 0:50:23608 days ago1669423823IN
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0 ETH0.0003531410.15863023
Approve160373342022-11-24 4:04:35610 days ago1669262675IN
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0 ETH0.0004504612.95829669
Liquid Exit160283272022-11-22 21:48:59611 days ago1669153739IN
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0 ETH0.001902113.14891849
Liquid Exit160145732022-11-20 23:41:35613 days ago1668987695IN
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0 ETH0.0020137913.92095212
Liquid Exit159661212022-11-14 5:15:23620 days ago1668402923IN
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0 ETH0.0019749413.65241459
Liquid Exit159414562022-11-10 18:37:47623 days ago1668105467IN
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0 ETH0.0039896627.57980391
Liquid Exit159223922022-11-08 2:41:35626 days ago1667875295IN
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0 ETH0.0020444414.13283321
Liquid Exit159005882022-11-05 1:38:47629 days ago1667612327IN
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0 ETH0.0020723314.32681574
Liquid Exit158811022022-11-02 8:20:11631 days ago1667377211IN
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0 ETH0.0015976211.04409433
Liquid Exit158658742022-10-31 5:13:47634 days ago1667193227IN
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0 ETH0.001107397.65585324
Liquid Exit158496882022-10-28 22:57:23636 days ago1666997843IN
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0 ETH0.0014406411.29393235
Liquid Exit158425992022-10-27 23:09:59637 days ago1666912199IN
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0 ETH0.001955913.52076877
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130435392021-08-17 15:32:301073 days ago1629214350  Contract Creation0 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
OwnedProxyWithReference

Compiler Version
v0.6.10+commit.00c0fcaf

Optimization Enabled:
Yes with 20000 runs

Other Settings:
default evmVersion, MIT license
/**
 *Submitted for verification at Etherscan.io on 2021-08-17
*/

/*
    .'''''''''''..     ..''''''''''''''''..       ..'''''''''''''''..
    .;;;;;;;;;;;'.   .';;;;;;;;;;;;;;;;;;,.     .,;;;;;;;;;;;;;;;;;,.
    .;;;;;;;;;;,.   .,;;;;;;;;;;;;;;;;;;;,.    .,;;;;;;;;;;;;;;;;;;,.
    .;;;;;;;;;,.   .,;;;;;;;;;;;;;;;;;;;;,.   .;;;;;;;;;;;;;;;;;;;;,.
    ';;;;;;;;'.  .';;;;;;;;;;;;;;;;;;;;;;,. .';;;;;;;;;;;;;;;;;;;;;,.
    ';;;;;,..   .';;;;;;;;;;;;;;;;;;;;;;;,..';;;;;;;;;;;;;;;;;;;;;;,.
    ......     .';;;;;;;;;;;;;,'''''''''''.,;;;;;;;;;;;;;,'''''''''..
              .,;;;;;;;;;;;;;.           .,;;;;;;;;;;;;;.
             .,;;;;;;;;;;;;,.           .,;;;;;;;;;;;;,.
            .,;;;;;;;;;;;;,.           .,;;;;;;;;;;;;,.
           .,;;;;;;;;;;;;,.           .;;;;;;;;;;;;;,.     .....
          .;;;;;;;;;;;;;'.         ..';;;;;;;;;;;;;'.    .',;;;;,'.
        .';;;;;;;;;;;;;'.         .';;;;;;;;;;;;;;'.   .';;;;;;;;;;.
       .';;;;;;;;;;;;;'.         .';;;;;;;;;;;;;;'.    .;;;;;;;;;;;,.
      .,;;;;;;;;;;;;;'...........,;;;;;;;;;;;;;;.      .;;;;;;;;;;;,.
     .,;;;;;;;;;;;;,..,;;;;;;;;;;;;;;;;;;;;;;;,.       ..;;;;;;;;;,.
    .,;;;;;;;;;;;;,. .,;;;;;;;;;;;;;;;;;;;;;;,.          .',;;;,,..
   .,;;;;;;;;;;;;,.  .,;;;;;;;;;;;;;;;;;;;;;,.              ....
    ..',;;;;;;;;,.   .,;;;;;;;;;;;;;;;;;;;;,.
       ..',;;;;'.    .,;;;;;;;;;;;;;;;;;;;'.
          ...'..     .';;;;;;;;;;;;;;,,,'.
                       ...............
*/

// https://github.com/trusttoken/smart-contracts
// Dependency file: @openzeppelin/contracts/GSN/Context.sol

// SPDX-License-Identifier: MIT

// pragma solidity ^0.6.0;

/*
 * @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 view virtual returns (address payable) {
        return msg.sender;
    }

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


// Dependency file: contracts/common/Initializable.sol

// Copied from https://github.com/OpenZeppelin/openzeppelin-contracts-ethereum-package/blob/v3.0.0/contracts/Initializable.sol
// Added public isInitialized() view of private initialized bool.

// pragma solidity 0.6.10;

/**
 * @title Initializable
 *
 * @dev Helper contract to support initializer functions. To use it, replace
 * the constructor with a function that has the `initializer` modifier.
 * WARNING: Unlike constructors, initializer functions must be manually
 * invoked. This applies both to deploying an Initializable contract, as well
 * as extending an Initializable contract via inheritance.
 * WARNING: When used with inheritance, manual care must be taken to not invoke
 * a parent initializer twice, or ensure that all initializers are idempotent,
 * because this is not dealt with automatically as with constructors.
 */
contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     */
    bool private initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private initializing;

    /**
     * @dev Modifier to use in the initializer function of a contract.
     */
    modifier initializer() {
        require(initializing || isConstructor() || !initialized, "Contract instance has already been initialized");

        bool isTopLevelCall = !initializing;
        if (isTopLevelCall) {
            initializing = true;
            initialized = true;
        }

        _;

        if (isTopLevelCall) {
            initializing = false;
        }
    }

    /// @dev Returns true if and only if the function is running in the constructor
    function isConstructor() private view returns (bool) {
        // extcodesize checks the size of the code stored in an address, and
        // address returns the current address. Since the code is still not
        // deployed when running a constructor, any checks on its code size will
        // yield zero, making it an effective way to detect if a contract is
        // under construction or not.
        address self = address(this);
        uint256 cs;
        assembly {
            cs := extcodesize(self)
        }
        return cs == 0;
    }

    /**
     * @dev Return true if and only if the contract has been initialized
     * @return whether the contract has been initialized
     */
    function isInitialized() public view returns (bool) {
        return initialized;
    }

    // Reserved storage space to allow for layout changes in the future.
    uint256[50] private ______gap;
}


// Dependency file: contracts/common/UpgradeableClaimable.sol

// pragma solidity 0.6.10;

// import {Context} from "@openzeppelin/contracts/GSN/Context.sol";

// import {Initializable} from "contracts/common/Initializable.sol";

/**
 * @title UpgradeableClaimable
 * @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. Since
 * this contract combines Claimable and UpgradableOwnable contracts, ownership
 * can be later change via 2 step method {transferOwnership} and {claimOwnership}
 *
 * 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 UpgradeableClaimable is Initializable, Context {
    address private _owner;
    address private _pendingOwner;

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

    /**
     * @dev Initializes the contract setting a custom initial owner of choice.
     * @param __owner Initial owner of contract to be set.
     */
    function initialize(address __owner) internal initializer {
        _owner = __owner;
        emit OwnershipTransferred(address(0), __owner);
    }

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

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

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

    /**
     * @dev Modifier throws if called by any account other than the pendingOwner.
     */
    modifier onlyPendingOwner() {
        require(msg.sender == _pendingOwner, "Ownable: caller is not the pending owner");
        _;
    }

    /**
     * @dev Allows the current owner to set the pendingOwner address.
     * @param newOwner The address to transfer ownership to.
     */
    function transferOwnership(address newOwner) public onlyOwner {
        _pendingOwner = newOwner;
    }

    /**
     * @dev Allows the pendingOwner address to finalize the transfer.
     */
    function claimOwnership() public onlyPendingOwner {
        emit OwnershipTransferred(_owner, _pendingOwner);
        _owner = _pendingOwner;
        _pendingOwner = address(0);
    }
}


// Dependency file: contracts/proxy/ImplementationReference.sol

// pragma solidity 0.6.10;

// import {UpgradeableClaimable} from "contracts/common/UpgradeableClaimable.sol";

/**
 * @title ImplementationReference
 * @dev This contract is made to serve a simple purpose only.
 * To hold the address of the implementation contract to be used by proxy.
 * The implementation address, is changeable anytime by the owner of this contract.
 */
contract ImplementationReference is UpgradeableClaimable {
    address public implementation;

    /**
     * @dev Event to show that implementation address has been changed
     * @param newImplementation New address of the implementation
     */
    event ImplementationChanged(address newImplementation);

    /**
     * @dev Set initial ownership and implementation address
     * @param _implementation Initial address of the implementation
     */
    constructor(address _implementation) public {
        UpgradeableClaimable.initialize(msg.sender);
        implementation = _implementation;
    }

    /**
     * @dev Function to change the implementation address, which can be called only by the owner
     * @param newImplementation New address of the implementation
     */
    function setImplementation(address newImplementation) external onlyOwner {
        implementation = newImplementation;
        emit ImplementationChanged(newImplementation);
    }
}


// Root file: contracts/proxy/OwnedProxyWithReference.sol

// solhint-disable const-name-snakecase
pragma solidity 0.6.10;

// import {ImplementationReference} from "contracts/proxy/ImplementationReference.sol";

/**
 * @title OwnedProxyWithReference
 * @dev This contract combines an upgradeability proxy with basic authorization control functionalities
 * Its structure makes it easy for a group of contracts alike, to share an implementation and to change it easily for all of them at once
 */
contract OwnedProxyWithReference {
    /**
     * @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 indexed previousOwner, address indexed newOwner);

    /**
     * @dev Event to show ownership transfer is pending
     * @param currentOwner representing the address of the current owner
     * @param pendingOwner representing the address of the pending owner
     */
    event NewPendingOwner(address currentOwner, address pendingOwner);

    /**
     * @dev Event to show implementation reference has been changed
     * @param implementationReference address of the new implementation reference contract
     */
    event ImplementationReferenceChanged(address implementationReference);

    // Storage position of the owner and pendingOwner and implementationReference of the contract
    // This is made to ensure, that memory spaces do not interfere with each other
    bytes32 private constant proxyOwnerPosition = 0x6279e8199720cf3557ecd8b58d667c8edc486bd1cf3ad59ea9ebdfcae0d0dfac; //keccak256("trueUSD.proxy.owner");
    bytes32 private constant pendingProxyOwnerPosition = 0x8ddbac328deee8d986ec3a7b933a196f96986cb4ee030d86cc56431c728b83f4; //keccak256("trueUSD.pending.proxy.owner");
    bytes32 private constant implementationReferencePosition = keccak256("trueFiPool.implementation.reference"); //keccak256("trueFiPool.implementation.reference");

    /**
     * @dev the constructor sets the original owner of the contract to the sender account.
     * @param _owner Initial owner of the proxy
     * @param _implementationReference initial ImplementationReference address
     */
    constructor(address _owner, address _implementationReference) public {
        _setUpgradeabilityOwner(_owner);
        _changeImplementationReference(_implementationReference);
    }

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

    /**
     * @dev Throws if called by any account other than the pending owner.
     */
    modifier onlyPendingProxyOwner() {
        require(msg.sender == pendingProxyOwner(), "only pending Proxy Owner");
        _;
    }

    /**
     * @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 Tells the address of the owner
     * @return pendingOwner the address of the pending owner
     */
    function pendingProxyOwner() public view returns (address pendingOwner) {
        bytes32 position = pendingProxyOwnerPosition;
        assembly {
            pendingOwner := sload(position)
        }
    }

    /**
     * @dev Sets the address of the owner
     * @param newProxyOwner New owner to be set
     */
    function _setUpgradeabilityOwner(address newProxyOwner) internal {
        bytes32 position = proxyOwnerPosition;
        assembly {
            sstore(position, newProxyOwner)
        }
    }

    /**
     * @dev Sets the address of the owner
     * @param newPendingProxyOwner New pending owner address
     */
    function _setPendingUpgradeabilityOwner(address newPendingProxyOwner) internal {
        bytes32 position = pendingProxyOwnerPosition;
        assembly {
            sstore(position, newPendingProxyOwner)
        }
    }

    /**
     * @dev Allows the current owner to transfer control of the contract to a newOwner.
     * changes the pending owner to newOwner. But doesn't actually transfer
     * @param newOwner The address to transfer ownership to.
     */
    function transferProxyOwnership(address newOwner) external onlyProxyOwner {
        require(newOwner != address(0));
        _setPendingUpgradeabilityOwner(newOwner);
        emit NewPendingOwner(proxyOwner(), newOwner);
    }

    /**
     * @dev Allows the pendingOwner to claim ownership of the proxy
     */
    function claimProxyOwnership() external onlyPendingProxyOwner {
        emit ProxyOwnershipTransferred(proxyOwner(), pendingProxyOwner());
        _setUpgradeabilityOwner(pendingProxyOwner());
        _setPendingUpgradeabilityOwner(address(0));
    }

    /**
     * @dev Allows the proxy owner to change the contract holding address of implementation.
     * @param _implementationReference representing the address contract, which holds implementation.
     */
    function changeImplementationReference(address _implementationReference) public virtual onlyProxyOwner {
        _changeImplementationReference(_implementationReference);
    }

    /**
     * @dev Get the address of current implementation.
     * @return Returns address of implementation contract
     */
    function implementation() public view returns (address) {
        bytes32 position = implementationReferencePosition;
        address implementationReference;
        assembly {
            implementationReference := sload(position)
        }
        return ImplementationReference(implementationReference).implementation();
    }

    /**
     * @dev Fallback functions allowing to perform a delegatecall to the given implementation.
     * This function will return whatever the implementation call returns
     */
    fallback() external payable {
        proxyCall();
    }

    /**
     * @dev This fallback function gets called only when this contract is called without any calldata e.g. send(), transfer()
     * This would also trigger receive() function on called implementation
     */
    receive() external payable {
        proxyCall();
    }

    /**
     * @dev Performs a low level call, to the contract holding all the logic, changing state on this contract at the same time
     */
    function proxyCall() internal {
        address impl = implementation();

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

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

    /**
     * @dev Function to internally change the contract holding address of implementation.
     * @param _implementationReference representing the address contract, which holds implementation.
     */
    function _changeImplementationReference(address _implementationReference) internal virtual {
        bytes32 position = implementationReferencePosition;
        assembly {
            sstore(position, _implementationReference)
        }

        emit ImplementationReferenceChanged(address(_implementationReference));
    }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_implementationReference","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"implementationReference","type":"address"}],"name":"ImplementationReferenceChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"currentOwner","type":"address"},{"indexed":false,"internalType":"address","name":"pendingOwner","type":"address"}],"name":"NewPendingOwner","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"ProxyOwnershipTransferred","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[{"internalType":"address","name":"_implementationReference","type":"address"}],"name":"changeImplementationReference","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"claimProxyOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingProxyOwner","outputs":[{"internalType":"address","name":"pendingOwner","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"},{"stateMutability":"payable","type":"receive"}]

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Deployed Bytecode

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

00000000000000000000000016cea306506c387713c70b9c1205fd5ac997e78e000000000000000000000000a47defa29a4df6a9243bdaeb4a4e5c592e17d930

-----Decoded View---------------
Arg [0] : _owner (address): 0x16cEa306506c387713C70b9C1205fd5aC997E78E
Arg [1] : _implementationReference (address): 0xa47DEfA29a4Df6a9243BDaEB4A4E5c592E17D930

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000016cea306506c387713c70b9c1205fd5ac997e78e
Arg [1] : 000000000000000000000000a47defa29a4df6a9243bdaeb4a4e5c592e17d930


Deployed Bytecode Sourcemap

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Swarm Source

ipfs://4414d87863f7493cba07450f067e5798740d25895d8a515f930224351ce21951

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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.