Contract

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

•  contract AbstractENS
•    - function setResolver(bytes32 node, ad ...
•  contract Resolver
•    - function setAddr(bytes32 node, addres ...
•  contract Deed
•  contract Registrar
•    - function transfer(bytes32 _hash, addr ...
•    - function entries(bytes32 _hash)
•  contract SellENS
•    - function SellENS()
•    - function ()
•  contract SellENSFactory *
•    - function createSellENS(string label, ...
•    - function sell_label(address buyer, ui ...
•    - function ()

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2017-06-09
*/

pragma solidity ^0.4.11;

/*

ENS Trade Factory
========================

Listed names and additional information available at ensnames.com
Author: /u/Cintix
*/

// Interfaces for the various ENS contracts
contract AbstractENS {
  function setResolver(bytes32 node, address resolver);
}
contract Resolver {
  function setAddr(bytes32 node, address addr);
}
contract Deed {
  address public previousOwner;
}
contract Registrar {
  function transfer(bytes32 _hash, address newOwner);
  function entries(bytes32 _hash) constant returns (uint, Deed, uint, uint, uint);
}

// The child contract, used to make buying as simple as sending ETH.
contract SellENS {
  SellENSFactory factory;
  
  function SellENS(){
    // Store the address of the factory (0x34abcc1fdedb49c953445c11a71e428d719ba8d9)
    factory = SellENSFactory(msg.sender);
  }
  
  function () payable {
    // Delegate the work back to the factory to save space on the blockchain.
    // This saves on gas when creating sell contracts.
    // Could be replaced with a delegatecall to a library, but that
    // would require a second contract deployment and added complexity.
    factory.transfer(msg.value);
    factory.sell_label(msg.sender, msg.value);
  }
}

// The factory which produces the seller child contracts.
contract SellENSFactory {
  // Store the relevant information for each child contract.
  struct SellENSInfo {
    string label;
    uint price;
    address owner;
  }
  mapping (address => SellENSInfo) public get_info;
  
  // The developer address, used for seller fees.
  address developer = 0x4e6A1c57CdBfd97e8efe831f8f4418b1F2A09e6e;
  // The Ethereum Name Service primary contract.
  AbstractENS ens = AbstractENS(0x314159265dD8dbb310642f98f50C066173C1259b);
  // The Ethereum Name Service Registrar contract.
  Registrar registrar = Registrar(0x6090A6e47849629b7245Dfa1Ca21D94cd15878Ef);
  // The Ethereum Name Service Public Resolver contract.
  Resolver resolver = Resolver(0x1da022710dF5002339274AaDEe8D58218e9D6AB5);
  // The hash of ".eth" under which all top level names are registered.
  bytes32 root_node = 0x93cdeb708b7545dc668eb9280176169d1c33cfd8ed6f04690a0bcc88a93fc4ae;
  
  // Events used to help track sales.
  event SellENSCreated(SellENS sell_ens);
  event LabelSold(SellENS sell_ens);
  
  // Called by name sellers to make a new seller child contract.
  function createSellENS(string label, uint price) {
    SellENS sell_ens = new SellENS();
    // Store the seller's address so they can get paid when the name sells.
    get_info[sell_ens] = SellENSInfo(label, price, msg.sender);
    SellENSCreated(sell_ens);
  }
  
  // Called only by seller child contracts when a name is purchased.
  function sell_label(address buyer, uint amount_paid){
    SellENS sell_ens = SellENS(msg.sender);
    // Verify the sender is a child contract.
    if (get_info[sell_ens].owner == 0x0) throw;
    
    string label = get_info[sell_ens].label;
    uint price = get_info[sell_ens].price;
    address owner = get_info[sell_ens].owner;
    
    // Calculate the hash of the name being bought.
    bytes32 label_hash = sha3(label);
    // Retrieve the name's deed.
    Deed deed;
    (,deed,,,) = registrar.entries(label_hash);
    // Verify the deed's previous owner matches the seller.
    if (deed.previousOwner() != owner) throw;
    // Calculate the hash of the full name (i.e. rumours.eth).
    bytes32 node = sha3(root_node, label_hash);
    // Set the name's resolver to the public resolver.
    ens.setResolver(node, resolver);
    // Configure the resolver to direct payments sent to the name to the buyer.
    resolver.setAddr(node, buyer);
    // Transfer the name's deed to the buyer.
    registrar.transfer(label_hash, buyer);

    // Dev fee of 5%
    uint fee = price / 20;
    // The seller pays nothing to unlist and get their name back.
    if (buyer == owner) {
      price = 0;
      fee = 0;
    }
    // 5% to the dev
    developer.transfer(fee);
    // 95% to the seller
    owner.transfer(price - fee);
    // Any extra past the sale price is returned to the buyer.
    if (amount_paid > price) {
      buyer.transfer(amount_paid - price);
    }
    LabelSold(sell_ens);
  }
  
  // The factory must be payable to receive funds from its child contracts.
  function () payable {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":false,"inputs":[{"name":"buyer","type":"address"},{"name":"amount_paid","type":"uint256"}],"name":"sell_label","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"get_info","outputs":[{"name":"label","type":"string"},{"name":"price","type":"uint256"},{"name":"owner","type":"address"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"label","type":"string"},{"name":"price","type":"uint256"}],"name":"createSellENS","outputs":[],"payable":false,"type":"function"},{"payable":true,"type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"sell_ens","type":"address"}],"name":"SellENSCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"sell_ens","type":"address"}],"name":"LabelSold","type":"event"}]

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

bzzr://3613f8188b1b1b97fac009ffdd40f19582cfb89ac6e895279ace439df45adeba