pragma solidity ^0.4.19; // Solidity 版本

contract ZombieFactory {

   event NewZombie(uint zombieId, string name, uint dna);

   uint dnaDigits = 16;
   uint dnaModulus = 10 ** dnaDigits;

   struct Zombie {
       string name;
       uint dna;
   }

   Zombie[] public zombies;

   function _createZombie(string _name, uint _dna) private {
       uint id = zombies.push(Zombie(_name, _dna)) - 1;
       NewZombie(id, _name, _dna);
   }

   function _generateRandomDna(string _str) private view returns (uint) {
       uint rand = uint(keccak256(_str));
       return rand % dnaModulus;
   }

   function createRandomZombie(string _name) public {
       uint randDna = _generateRandomDna(_name);
       _createZombie(_name, randDna);
   }

}

var abi = /* abi是由编译器生成的 */
var ZombieFactoryContract = web3.eth.contract(abi)
var contractAddress = // 發布Dapp於以太坊的位置
var ZombieFactory = ZombieFactoryContract.at(contractAddress)

$("#ourButton").click(function(e) {
  var name = $("#nameInput").val()
  // 調用合約 public `createRandomZombie` Function:
  ZombieFactory.createRandomZombie(name)
})

// 監聽 `NewZombie` 事件, 更新UI
var event = ZombieFactory.NewZombie(function(error, result) {
  if (error) return
  generateZombie(result.zombieId, result.name, result.dna)
})

// 獲取 Zombie 的 dna, 更新圖像
function generateZombie(id, name, dna) {
  let dnaStr = String(dna)
  while (dnaStr.length < 16)
    dnaStr = "0" + dnaStr
  let zombieDetails = {
    headChoice: dnaStr.substring(0, 2) % 7 + 1，
    eyeChoice: dnaStr.substring(2, 4) % 11 + 1,
    shirtChoice: dnaStr.substring(4, 6) % 6 + 1,
    skinColorChoice: parseInt(dnaStr.substring(6, 8) / 100 * 360),
    eyeColorChoice: parseInt(dnaStr.substring(8, 10) / 100 * 360),
    clothesColorChoice: parseInt(dnaStr.substring(10, 12) / 100 * 360),
    zombieName: name,
    zombieDescription: "A Level 1 CryptoZombie",
  }
  return zombieDetails
}