Contract

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

•  contract Version
•  contract Factory is Version
•    - function hasBeenDeployed(address _con ...
•    - function addContract(address _contrac ...
•  contract Ownable
•    - function transferOwnership(address ne ...
• interface ERC20
•    - function transfer(address to, uint256 ...
•    - function transferFrom(address from, a ...
•    - function approve(address spender, uin ...
•    - function totalSupply()
•    - function balanceOf(address who)
•    - function allowance(address owner, add ...
•  contract SpendableWallet is Ownabl ... *
•    - function spend(address _to, uint256 _ ...
•    - function claimTokens(address _token)
•  contract SpendableWalletFactory is ... *
•    - function newPaymentAddress(address _t ...

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2018-12-03
*/

pragma solidity ^0.4.24;


/// @title Version
contract Version {
    string public semanticVersion;

    /// @notice Constructor saves a public version of the deployed Contract.
    /// @param _version Semantic version of the contract.
    constructor(string _version) internal {
        semanticVersion = _version;
    }
}


/// @title Factory
contract Factory is Version {
    event FactoryAddedContract(address indexed _contract);

    modifier contractHasntDeployed(address _contract) {
        require(contracts[_contract] == false);
        _;
    }

    mapping(address => bool) public contracts;

    constructor(string _version) internal Version(_version) {}

    function hasBeenDeployed(address _contract) public constant returns (bool) {
        return contracts[_contract];
    }

    function addContract(address _contract)
        internal
        contractHasntDeployed(_contract)
        returns (bool)
    {
        contracts[_contract] = true;
        emit FactoryAddedContract(_contract);
        return true;
    }
}


/**
 * @title Ownable
 * @dev The Ownable contract has an owner address, and provides basic authorization control
 * functions, this simplifies the implementation of "user permissions".
 */
contract Ownable {
    address public owner;

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

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

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

    /**
     * @dev Allows the current owner to transfer control of the contract to a newOwner.
     * @param newOwner The address to transfer ownership to.
     */
    function transferOwnership(address newOwner) public onlyOwner {
        require(newOwner != address(0));
        emit OwnershipTransferred(owner, newOwner);
        owner = newOwner;
    }
}


/**
 * @title ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
interface ERC20 {
    function transfer(address to, uint256 value) external returns (bool);
    function transferFrom(address from, address to, uint256 value) external returns (bool);
    function approve(address spender, uint256 value) external returns (bool);
    function totalSupply() external view returns (uint256);
    function balanceOf(address who) external view returns (uint256);
    function allowance(address owner, address spender) external view returns (uint256);
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}


contract SpendableWallet is Ownable {
    ERC20 public token;

    event ClaimedTokens(
        address indexed _token,
        address indexed _controller,
        uint256 _amount
    );

    constructor(address _token, address _owner) public {
        token = ERC20(_token);
        owner = _owner;
    }

    function spend(address _to, uint256 _amount) public onlyOwner {
        require(
            token.transfer(_to, _amount),
            "Token transfer could not be executed."
        );
    }

    /// @notice This method can be used by the controller to extract mistakenly
    ///  sent tokens to this contract.
    /// @param _token The address of the token contract that you want to recover
    ///  set to 0 in case you want to extract ether.
    function claimTokens(address _token) public onlyOwner {
        if (_token == 0x0) {
            owner.transfer(address(this).balance);
            return;
        }

        ERC20 erc20token = ERC20(_token);
        uint256 balance = erc20token.balanceOf(address(this));
        require(
            erc20token.transfer(owner, balance),
            "Token transfer could not be executed."
        );
        emit ClaimedTokens(_token, owner, balance);
    }
}


contract SpendableWalletFactory is Factory {
    // index of created contracts
    address[] public spendableWallets;

    constructor() public Factory("1.0.3") {}

    // deploy a new contract
    function newPaymentAddress(address _token, address _owner)
        public
        returns(address newContract)
    {
        SpendableWallet spendableWallet = new SpendableWallet(_token, _owner);
        spendableWallets.push(spendableWallet);
        addContract(spendableWallet);
        return spendableWallet;
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"spend","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_token","type":"address"}],"name":"claimTokens","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"token","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_token","type":"address"},{"name":"_owner","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_token","type":"address"},{"indexed":true,"name":"_controller","type":"address"},{"indexed":false,"name":"_amount","type":"uint256"}],"name":"ClaimedTokens","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"}]

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

bzzr://3c30641a62b4c884e947f54af6618388be804b9dda8295be3af17842122e3f4e