jackeyliutw

connectmetamnewmethod_1

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jackeyliutw

Ethereum Enable Example

A Pen by 劉承瑋 on CodePen.

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jackeyliutw

pragma solidity ^0.6.1;
//2020/2/24
contract  uploadtexttoblockchain {
        address author;
    event recordmsg(uint256 articlenumber, address author, string nickname, string filename, string text);
    //address owner = msg.sender;

    uint256 public articlenumber = 0;
    function submittext (string memory nickname, string memory filename, string memory text) public {
        author = msg.sender;

jackeyliutw

pragma solidity ^0.6.1;
//2020/2/24
contract  uploadtexttoblockchain {
        address author;
    event recordmsg(uint256 articlenumber, address author, string nickname, string filename, string text);
    //address owner = msg.sender;

    uint256 public articlenumber = 0;
    function submittext (string memory nickname, string memory filename, string memory text) public {
        author = msg.sender;

jackeyliutw

pragma solidity ^0.6.1;
//2020/2/24
contract  uploadtexttoblockchain {
        address author;
    event recordmsg(uint256 articlenumber, address author, string nickname, string filename, string text);
    //address owner = msg.sender;

    uint256 public articlenumber = 0;
    function submittext (string memory nickname, string memory filename, string memory text) public {
        author = msg.sender;

jackeyliutw

pragma solidity ^0.6.1;
//2020/2/24
contract  uploadtexttoblockchain {
        address author;
    event recordmsg(uint256 articlenumber, address author, string nickname, string filename, string text);
    //address owner = msg.sender;

    uint256 public articlenumber = 0;
    function submittext (string memory nickname, string memory filename, string memory text) public {
        author = msg.sender;

jackeyliutw

pragma solidity ^0.6.1;
//2020/2/24
contract  uploadtexttoblockchain {
        address author;
    event recordmsg(uint256 articlenumber, address author, string nickname, string filename, string text);
    //address owner = msg.sender;

    uint256 public articlenumber = 0;
    function submittext (string memory nickname, string memory filename, string memory text) public {
        author = msg.sender;

jackeyliutw

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;
contract Helloworld {
    
    string public sayhello;
    
    constructor() public {
        sayhello = "helloworld";
    }
    function saysomething (string memory sth) public {

jackeyliutw

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

contract hello {

    int public _age;
    string public _name;

    constructor(int age,string memory name) public {
          _age = age;

jackeyliutw

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,