panda850819

pragma solidity ^0.5.0;

contract Token {
    string  public name = "PandaZeng";
    string  public symbol = "PZ";
    uint256 public totalSupply;
    uint8   public decimals = 0;

    event Transfer(
        address indexed _from,

panda850819

CryptoZombie

---

Hello World

Create a empty contract ZombieFactory(殭屍工廠) used version of solidity 0.4.25

pragama ^0.4.25; 

panda850819

pragma solidity ^0.4.25;

contract ZombieFactory {

    uint dnaDigits = 16;
    uint dnaModulus = 10 ** dnaDigits;
    
    struct Zombie{
        string name;
        uint dna;

panda850819

// Array with a fixed length of 2 elements:
uint[2] fixedArray;

// another fixed Array, can contain 5 strings:
string[5] stringArray;

// a dynamic Array - has no fixed size, can keep growing:
uint[] dynamicArray;

Person[] people; // dynamic Array, we can keep adding to it

panda850819

pragama ^0.4.25; 

contract ZombieFactory{
    uint dnaDigits = 16; // set zombie DNA 
    uint dnaModulus = 10 ** dnaDigits;
}

panda850819

struct Person {
  uint age;
  string name;
}

panda850819

eatHamburgers("vitalik", 100);

panda850819

pragma solidity ^0.4.25;

contract ZombieFactory {

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

    struct Zombie {
        string name;
        uint dna;

panda850819

string greeting = "What's up dog";

function sayHello() public returns (string) {
  return greeting;
}

panda850819

pragma solidity ^0.4.25;

contract ZombieFactory {

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

    struct Zombie {
        string name;
        uint dna;