Contract

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

•  contract owned
•    - function owned()
•    - function transferOwnership(address ne ...
•  contract tokenRecipient function ...
•  contract token
•    - function token(
•    - function transfer(address _to, uint25 ...
•    - function approve(address _spender, ui ...
•    - function approveAndCall(address _spen ...
•    - function transferFrom(address _from, ...
•  contract MyAdvancedToken is owned, ... *
•    - function MyAdvancedToken(
•    - function transfer(address _to, uint25 ...
•    - function transferFrom(address _from, ...
•    - function mintToken(address target, ui ...
•    - function freezeAccount(address target ...
•    - function setPrices(uint256 newSellPri ...
•    - function buy()
•    - function sell(uint256 amount)

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2017-06-30
*/

pragma solidity ^0.4.2;
contract owned {
    address public owner;

    function owned() {
        owner = msg.sender;
    }

    modifier onlyOwner {
        if (msg.sender != owner) throw;
        _;
    }

    function transferOwnership(address newOwner) onlyOwner {
        owner = newOwner;
    }
}

contract tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData); }

contract token {
    /* Public variables of the token */
    string public standard = 'Token 0.1';
    string public name;
    string public symbol;
    uint8 public decimals;
    uint256 public totalSupply;

    /* This creates an array with all balances */
    mapping (address => uint256) public balanceOf;
    mapping (address => mapping (address => uint256)) public allowance;

    /* This generates a public event on the blockchain that will notify clients */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /* Initializes contract with initial supply tokens to the creator of the contract */
    function token(
        uint256 initialSupply,
        string tokenName,
        uint8 decimalUnits,
        string tokenSymbol
        ) {
        balanceOf[msg.sender] = initialSupply;              // Give the creator all initial tokens
        totalSupply = initialSupply;                        // Update total supply
        name = tokenName;                                   // Set the name for display purposes
        symbol = tokenSymbol;                               // Set the symbol for display purposes
        decimals = decimalUnits;                            // Amount of decimals for display purposes
    }

    /* Send coins */
    function transfer(address _to, uint256 _value) {
        if (balanceOf[msg.sender] < _value) throw;           // Check if the sender has enough
        if (balanceOf[_to] + _value < balanceOf[_to]) throw; // Check for overflows
        balanceOf[msg.sender] -= _value;                     // Subtract from the sender
        balanceOf[_to] += _value;                            // Add the same to the recipient
        Transfer(msg.sender, _to, _value);                   // Notify anyone listening that this transfer took place
    }

    /* Allow another contract to spend some tokens in your behalf */
    function approve(address _spender, uint256 _value)
        returns (bool success) {
        allowance[msg.sender][_spender] = _value;
        return true;
    }

    /* Approve and then communicate the approved contract in a single tx */
    function approveAndCall(address _spender, uint256 _value, bytes _extraData)
        returns (bool success) {    
        tokenRecipient spender = tokenRecipient(_spender);
        if (approve(_spender, _value)) {
            spender.receiveApproval(msg.sender, _value, this, _extraData);
            return true;
        }
    }

    /* A contract attempts to get the coins */
    function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
        if (balanceOf[_from] < _value) throw;                 // Check if the sender has enough
        if (balanceOf[_to] + _value < balanceOf[_to]) throw;  // Check for overflows
        if (_value > allowance[_from][msg.sender]) throw;   // Check allowance
        balanceOf[_from] -= _value;                          // Subtract from the sender
        balanceOf[_to] += _value;                            // Add the same to the recipient
        allowance[_from][msg.sender] -= _value;
        Transfer(_from, _to, _value);
        return true;
    }

    /* This unnamed function is called whenever someone tries to send ether to it */
    function () {
        throw;     // Prevents accidental sending of ether
    }
}

contract MyAdvancedToken is owned, token {

    uint256 public sellPrice;
    uint256 public buyPrice;

    mapping (address => bool) public frozenAccount;

    /* This generates a public event on the blockchain that will notify clients */
    event FrozenFunds(address target, bool frozen);

    /* Initializes contract with initial supply tokens to the creator of the contract */
    function MyAdvancedToken(
        uint256 initialSupply,
        string tokenName,
        uint8 decimalUnits,
        string tokenSymbol
    ) token (initialSupply, tokenName, decimalUnits, tokenSymbol) {}

    /* Send coins */
    function transfer(address _to, uint256 _value) {
        if (balanceOf[msg.sender] < _value) throw;           // Check if the sender has enough
        if (balanceOf[_to] + _value < balanceOf[_to]) throw; // Check for overflows
        if (frozenAccount[msg.sender]) throw;                // Check if frozen
        balanceOf[msg.sender] -= _value;                     // Subtract from the sender
        balanceOf[_to] += _value;                            // Add the same to the recipient
        Transfer(msg.sender, _to, _value);                   // Notify anyone listening that this transfer took place
    }


    /* A contract attempts to get the coins */
    function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
        if (frozenAccount[_from]) throw;                        // Check if frozen            
        if (balanceOf[_from] < _value) throw;                 // Check if the sender has enough
        if (balanceOf[_to] + _value < balanceOf[_to]) throw;  // Check for overflows
        if (_value > allowance[_from][msg.sender]) throw;   // Check allowance
        balanceOf[_from] -= _value;                          // Subtract from the sender
        balanceOf[_to] += _value;                            // Add the same to the recipient
        allowance[_from][msg.sender] -= _value;
        Transfer(_from, _to, _value);
        return true;
    }

    function mintToken(address target, uint256 mintedAmount) onlyOwner {
        balanceOf[target] += mintedAmount;
        totalSupply += mintedAmount;
        Transfer(0, this, mintedAmount);
        Transfer(this, target, mintedAmount);
    }

    function freezeAccount(address target, bool freeze) onlyOwner {
        frozenAccount[target] = freeze;
        FrozenFunds(target, freeze);
    }

    function setPrices(uint256 newSellPrice, uint256 newBuyPrice) onlyOwner {
        sellPrice = newSellPrice;
        buyPrice = newBuyPrice;
    }

    function buy() payable {
        uint amount = msg.value / buyPrice;                // calculates the amount
        if (balanceOf[this] < amount) throw;               // checks if it has enough to sell
        balanceOf[msg.sender] += amount;                   // adds the amount to buyer's balance
        balanceOf[this] -= amount;                         // subtracts amount from seller's balance
        Transfer(this, msg.sender, amount);                // execute an event reflecting the change
    }

    function sell(uint256 amount) {
        if (balanceOf[msg.sender] < amount ) throw;        // checks if the sender has enough to sell
        balanceOf[this] += amount;                         // adds the amount to owner's balance
        balanceOf[msg.sender] -= amount;                   // subtracts the amount from seller's balance
        if (!msg.sender.send(amount * sellPrice)) {        // sends ether to the seller. It's important
            throw;                                         // to do this last to avoid recursion attacks
        } else {
            Transfer(msg.sender, this, amount);            // executes an event reflecting on the change
        }               
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":false,"inputs":[{"name":"newSellPrice","type":"uint256"},{"name":"newBuyPrice","type":"uint256"}],"name":"setPrices","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"sellPrice","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"standard","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"target","type":"address"},{"name":"mintedAmount","type":"uint256"}],"name":"mintToken","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"buyPrice","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"buy","outputs":[],"payable":true,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"frozenAccount","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"},{"name":"_extraData","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"amount","type":"uint256"}],"name":"sell","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"target","type":"address"},{"name":"freeze","type":"bool"}],"name":"freezeAccount","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"type":"function"},{"inputs":[{"name":"initialSupply","type":"uint256"},{"name":"tokenName","type":"string"},{"name":"decimalUnits","type":"uint8"},{"name":"tokenSymbol","type":"string"}],"payable":false,"type":"constructor"},{"payable":false,"type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"target","type":"address"},{"indexed":false,"name":"frozen","type":"bool"}],"name":"FrozenFunds","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}]

0x6060604052361561011a5763ffffffff7c010000000000000000000000000000000000000000000000000000000060003504166305fefda7811461013057806306fdde0314610148578063095ea7b3146101d857806318160ddd1461020b57806323b872dd1461022d578063313ce567146102665780634b7503341461028c5780635a3b7e42146102ae57806370a082311461033e57806379c650681461036c5780638620410b1461038d5780638da5cb5b146103af57806395d89b41146103db578063a6f2ae3a1461046b578063a9059cbb14610475578063b414d4b614610496578063cae9ca51146104c6578063dd62ed3e1461053d578063e4849b3214610571578063e724529c14610586578063f2fde38b146105a9575b341561012257fe5b61012e5b60006000fd5b565b005b341561013857fe5b61012e6004356024356105c7565b005b341561015057fe5b6101586105f3565b60408051602080825283518183015283519192839290830191850190808383821561019e575b80518252602083111561019e57601f19909201916020918201910161017e565b505050905090810190601f1680156101ca5780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b34156101e057fe5b6101f7600160a060020a036004351660243561067e565b604080519115158252519081900360200190f35b341561021357fe5b61021b6106af565b60408051918252519081900360200190f35b341561023557fe5b6101f7600160a060020a03600435811690602435166044356106b5565b604080519115158252519081900360200190f35b341561026e57fe5b6102766107d9565b6040805160ff9092168252519081900360200190f35b341561029457fe5b61021b6107e2565b60408051918252519081900360200190f35b34156102b657fe5b6101586107e8565b60408051602080825283518183015283519192839290830191850190808383821561019e575b80518252602083111561019e57601f19909201916020918201910161017e565b505050905090810190601f1680156101ca5780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b341561034657fe5b61021b600160a060020a0360043516610875565b60408051918252519081900360200190f35b341561037457fe5b61012e600160a060020a0360043516602435610887565b005b341561039557fe5b61021b610931565b60408051918252519081900360200190f35b34156103b757fe5b6103bf610937565b60408051600160a060020a039092168252519081900360200190f35b34156103e357fe5b610158610946565b60408051602080825283518183015283519192839290830191850190808383821561019e575b80518252602083111561019e57601f19909201916020918201910161017e565b505050905090810190601f1680156101ca5780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b61012e6109d4565b005b341561047d57fe5b61012e600160a060020a0360043516602435610a6a565b005b341561049e57fe5b6101f7600160a060020a0360043516610b3a565b604080519115158252519081900360200190f35b34156104ce57fe5b604080516020600460443581810135601f81018490048402850184019095528484526101f7948235600160a060020a0316946024803595606494929391909201918190840183828082843750949650610b4f95505050505050565b604080519115158252519081900360200190f35b341561054557fe5b61021b600160a060020a0360043581169060243516610c89565b60408051918252519081900360200190f35b341561057957fe5b61012e600435610ca6565b005b341561058e57fe5b61012e600160a060020a03600435166024351515610d67565b005b34156105b157fe5b61012e600160a060020a0360043516610de9565b005b60005433600160a060020a039081169116146105e35760006000fd5b600882905560098190555b5b5050565b6002805460408051602060018416156101000260001901909316849004601f810184900484028201840190925281815292918301828280156106765780601f1061064b57610100808354040283529160200191610676565b820191906000526020600020905b81548152906001019060200180831161065957829003601f168201915b505050505081565b600160a060020a03338116600090815260076020908152604080832093861683529290522081905560015b92915050565b60055481565b600160a060020a0383166000908152600a602052604081205460ff16156106dc5760006000fd5b600160a060020a038416600090815260066020526040902054829010156107035760006000fd5b600160a060020a038316600090815260066020526040902054828101101561072b5760006000fd5b600160a060020a038085166000908152600760209081526040808320339094168352929052205482111561075f5760006000fd5b600160a060020a0380851660008181526006602090815260408083208054889003905587851680845281842080548901905584845260078352818420339096168452948252918290208054879003905581518681529151600080516020610e338339815191529281900390910190a35060015b9392505050565b60045460ff1681565b60085481565b60018054604080516020600284861615610100026000190190941693909304601f810184900484028201840190925281815292918301828280156106765780601f1061064b57610100808354040283529160200191610676565b820191906000526020600020905b81548152906001019060200180831161065957829003601f168201915b505050505081565b60066020526000908152604090205481565b60005433600160a060020a039081169116146108a35760006000fd5b600160a060020a0380831660009081526006602090815260408083208054860190556005805486019055805185815290513090941693600080516020610e33833981519152929181900390910190a381600160a060020a031630600160a060020a0316600080516020610e33833981519152836040518082815260200191505060405180910390a35b5b5050565b60095481565b600054600160a060020a031681565b6003805460408051602060026001851615610100026000190190941693909304601f810184900484028201840190925281815292918301828280156106765780601f1061064b57610100808354040283529160200191610676565b820191906000526020600020905b81548152906001019060200180831161065957829003601f168201915b505050505081565b6000600954348115156109e357fe5b600160a060020a033016600090815260066020526040902054919004915081901015610a0f5760006000fd5b600160a060020a0333811660008181526006602090815260408083208054870190553090941680835291849020805486900390558351858152935192939192600080516020610e338339815191529281900390910190a35b50565b600160a060020a03331660009081526006602052604090205481901015610a915760006000fd5b600160a060020a0382166000908152600660205260409020548181011015610ab95760006000fd5b600160a060020a0333166000908152600a602052604090205460ff1615610ae05760006000fd5b600160a060020a0333811660008181526006602090815260408083208054879003905593861680835291849020805486019055835185815293519193600080516020610e33833981519152929081900390910190a35b5050565b600a6020526000908152604090205460ff1681565b600083610b5c818561067e565b15610c805780600160a060020a0316638f4ffcb1338630876040518563ffffffff167c01000000000000000000000000000000000000000000000000000000000281526004018085600160a060020a0316600160a060020a0316815260200184815260200183600160a060020a0316600160a060020a0316815260200180602001828103825283818151815260200191508051906020019080838360008314610c20575b805182526020831115610c2057601f199092019160209182019101610c00565b505050905090810190601f168015610c4c5780820380516001836020036101000a031916815260200191505b5095505050505050600060405180830381600087803b1515610c6a57fe5b6102c65a03f11515610c7857fe5b505050600191505b5b509392505050565b600760209081526000928352604080842090915290825290205481565b600160a060020a03331660009081526006602052604090205481901015610ccd5760006000fd5b600160a060020a03308116600090815260066020526040808220805485019055339092168082528282208054859003905560085492519092840280156108fc0292909190818181858888f193505050501515610d295760006000fd5b30600160a060020a031633600160a060020a0316600080516020610e33833981519152836040518082815260200191505060405180910390a35b5b50565b60005433600160a060020a03908116911614610d835760006000fd5b600160a060020a0382166000818152600a6020908152604091829020805460ff191685151590811790915582519384529083015280517f48335238b4855f35377ed80f164e8c6f3c366e54ac00b96a6402d4a9814a03a59281900390910190a15b5b5050565b60005433600160a060020a03908116911614610e055760006000fd5b6000805473ffffffffffffffffffffffffffffffffffffffff1916600160a060020a0383161790555b5b505600ddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3efa165627a7a7230582014d110e6bebcfed5cec6c9e9883a52c39218ad0aae0d6b7624abae5aae00cb450029

bzzr://14d110e6bebcfed5cec6c9e9883a52c39218ad0aae0d6b7624abae5aae00cb45