ETH Price: $2,421.32 (-2.45%)

Token

TrueUSD (TUSD)
 

Overview

Max Total Supply

316,126,540.952349698425178789 TUSD

Holders

44,706 (0.00%)

Total Transfers

-

Market

Price

$1.00 @ 0.000412 ETH (-0.22%)

Onchain Market Cap

$315,145,916.42

Circulating Supply Market Cap

$494,369,519.00

Other Info

Token Contract (WITH 18 Decimals)

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OVERVIEW

A regulated, exchange-independent stablecoin backed 1-for-1 with US Dollars.

Market

Volume (24H):$13,646,260.00
Market Capitalization:$494,369,519.00
Circulating Supply:495,601,553.00 TUSD
Market Data Source: Coinmarketcap

# Exchange Pair Price  24H Volume % Volume

Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x00000000...7bDdC7211
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
OwnedUpgradeabilityProxy

Compiler Version
v0.4.23+commit.124ca40d

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
/**
 *Submitted for verification at Etherscan.io on 2018-12-18
*/

pragma solidity ^0.4.23;

// This is the proxy contract for the TrustToken Registry

// File: contracts/Proxy/Proxy.sol

/**
 * @title Proxy
 * @dev Gives the possibility to delegate any call to a foreign implementation.
 */
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 returns (address);

    /**
    * @dev Fallback function allowing to perform a delegatecall to the given implementation.
    * This function will return whatever the implementation call returns
    */
    function() external payable {
        address _impl = implementation();
        require(_impl != address(0), "implementation contract not set");
        
        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: contracts/Proxy/UpgradeabilityProxy.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);

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

    /**
    * @dev Tells the address of the current implementation
    * @return address of the current implementation
    */
    function implementation() public 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);
    }
}

// File: contracts/Proxy/OwnedUpgradeabilityProxy.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 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 = keccak256("trueUSD.proxy.owner");
    bytes32 private constant pendingProxyOwnerPosition = 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 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 the address of the 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) external onlyProxyOwner {
        _upgradeTo(implementation);
    }
}

Contract Security Audit

Contract ABI

[{"constant":true,"inputs":[],"name":"proxyOwner","outputs":[{"name":"owner","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"pendingProxyOwner","outputs":[{"name":"pendingOwner","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"implementation","type":"address"}],"name":"upgradeTo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"impl","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"claimProxyOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferProxyOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"ProxyOwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"currentOwner","type":"address"},{"indexed":false,"name":"pendingOwner","type":"address"}],"name":"NewPendingOwner","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"implementation","type":"address"}],"name":"Upgraded","type":"event"}]

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Deployed Bytecode

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

Swarm Source

bzzr://66d4b5932adad66dd7b19bdf5b36c25e9e99e563f06c779eeef9427bb3c9c767
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