ETH Price: $3,593.00 (+0.82%)
Gas: 4 Gwei

Token

Staked TrueFi (stkTRU)
 

Overview

Max Total Supply

27,212,745.40038592 stkTRU

Holders

570 (0.00%)

Total Transfers

-

Market

Onchain Market Cap

$0.00

Circulating Supply Market Cap

-

Other Info

Token Contract (WITH 8 Decimals)

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OVERVIEW

stkTRU is the staked version of the TrueFi Tokens that users receive when they deposit TRU into the TrueFi staking contract.

# Exchange Pair Price  24H Volume % Volume

Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x4ACE6dE6...5394119e7
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
OwnedUpgradeabilityProxy

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 2020-11-18
*/

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

// https://github.com/trusttoken/smart-contracts
// SPDX-License-Identifier: MIT

// File: contracts/proxy/OwnedUpgradeabilityProxy.sol
pragma solidity 0.6.10;

/**
 * @title OwnedUpgradeabilityProxy
 * @dev This contract combines an upgradeability proxy with basic authorization control functionalities
 */
contract OwnedUpgradeabilityProxy {
    /**
     * @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);

    // Storage position of the owner and pendingOwner of the contract
    bytes32 private constant proxyOwnerPosition = 0x6279e8199720cf3557ecd8b58d667c8edc486bd1cf3ad59ea9ebdfcae0d0dfac; //keccak256("trueUSD.proxy.owner");
    bytes32 private constant pendingProxyOwnerPosition = 0x8ddbac328deee8d986ec3a7b933a196f96986cb4ee030d86cc56431c728b83f4; //keccak256("trueUSD.pending.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(), "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
     */
    function _setUpgradeabilityOwner(address newProxyOwner) internal {
        bytes32 position = proxyOwnerPosition;
        assembly {
            sstore(position, newProxyOwner)
        }
    }

    /**
     * @dev Sets the address of the owner
     */
    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 upgrade the current version of the proxy.
     * @param implementation representing the address of the new implementation to be set.
     */
    function upgradeTo(address implementation) public virtual onlyProxyOwner {
        address currentImplementation;
        bytes32 position = implementationPosition;
        assembly {
            currentImplementation := sload(position)
        }
        require(currentImplementation != implementation);
        assembly {
            sstore(position, implementation)
        }
        emit Upgraded(implementation);
    }

    /**
     * @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);

    // Storage position of the address of the current implementation
    bytes32 private constant implementationPosition = 0x6e41e0fbe643dfdb6043698bf865aada82dc46b953f754a3468eaa272a362dc7; //keccak256("trueUSD.proxy.implementation");

    function implementation() public view returns (address impl) {
        bytes32 position = implementationPosition;
        assembly {
            impl := sload(position)
        }
    }

    /**
     * @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();
    }

    receive() external payable {
        proxyCall();
    }

    function proxyCall() internal {
        bytes32 position = implementationPosition;

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

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

Contract Security Audit

Contract ABI

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Deployed Bytecode

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Deployed Bytecode Sourcemap

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Swarm Source

ipfs://6acd099dfc34ccee396084df959d0fdd422a2c554ac50708d35a07f9a50e18bd
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