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基于Mixin Network的C#语言比特币开发教程 : 用 Mixin Messenger 机器人接受和发送比特币...
阅读量：6881 次
发布时间：2019-06-27

本文共 10308 字，大约阅读时间需要 34 分钟。

在 , 我们创建了自动回复消息的机器人,当用户发送消息"Hello,World!"时，机器人会自动回复同一条消息!

按本篇教程后学习后完成后，你的机器人将会接受用户发送过来的加密货币，然后立即转回用户。 完整代码如下：

Program.cs

using System;using System.Collections.Generic;using MixinSdk;using MixinSdk.Bean;using Newtonsoft.Json;using Org.BouncyCastle.Asn1.X509;using Org.BouncyCastle.Crypto;using Org.BouncyCastle.Crypto.Generators;using Org.BouncyCastle.Crypto.Prng;using Org.BouncyCastle.Security;using Org.BouncyCastle.X509;namespace echo_bot{    class Program    {        static void Main(string[] args)        {            MixinApi mixinApi = new MixinApi();            mixinApi.Init(USRCONFIG.ClientId, USRCONFIG.ClientSecret, USRCONFIG.SessionId, USRCONFIG.PinToken, USRCONFIG.PrivateKey);            mixinApi.WebSocketConnect(HandleOnRecivedMessage).Wait();            mixinApi.StartRecive();            do            {                var msg = Console.ReadLine();            } while (true);        }        static void HandleOnRecivedMessage(object sender, EventArgs args, string message)        {            var incomingMessage = JsonConvert.DeserializeObject
    
     (message);            Console.WriteLine(incomingMessage);            if ( (incomingMessage.action == "CREATE_MESSAGE") && (incomingMessage.data != null) ) {                // Console.WriteLine(incomingMessage.data.conversation_id);                MixinApi callback = (MixinApi)sender;                //send ack for every Create Message!                callback.SendMessageResponse(incomingMessage.data.message_id).Wait();                if (incomingMessage.data.category == "PLAIN_TEXT") {                  byte[] strOriginal = Convert.FromBase64String(incomingMessage.data.data);                  string clearText = System.Text.Encoding.UTF8.GetString(strOriginal);                  Console.WriteLine(clearText);                  string thisMessageId = Guid.NewGuid().ToString();                  System.Console.WriteLine("Send echo with message id:" + thisMessageId);                  if (clearText == "a") {                    AppCard appCard      = new AppCard();                    appCard.title        = "Pay BTC 0.0001";                    appCard.icon_url     = "https://images.mixin.one/HvYGJsV5TGeZ-X9Ek3FEQohQZ3fE9LBEBGcOcn4c4BNHovP4fW4YB97Dg5LcXoQ1hUjMEgjbl1DPlKg1TW7kK6XP=s128";                    appCard.description  = "hi";                    appCard.action       = "https://mixin.one/pay?recipient=" +                              							 USRCONFIG.ClientId  + "&asset=" +                              							 "c6d0c728-2624-429b-8e0d-d9d19b6592fa"   +                              							 "&amount=" + "0.001" +                              							 "&trace="  + System.Guid.NewGuid().ToString() +                              							 "&memo=";                    callback.SendAppCardMessage(incomingMessage.data.conversation_id,appCard);                  } else if (clearText == "g") {                    List
     
       appBtnList = new List
      
       ();                    string payLinkEOS = "https://mixin.one/pay?recipient=" +                        							 USRCONFIG.ClientId  + "&asset=" +                        							 "6cfe566e-4aad-470b-8c9a-2fd35b49c68d"   +                        							 "&amount=" + "0.1" +                        							 "&trace="  + System.Guid.NewGuid().ToString() +                        							 "&memo=";              		  string payLinkBTC = "https://mixin.one/pay?recipient=" +                        							 USRCONFIG.ClientId  + "&asset=" +                        							 "c6d0c728-2624-429b-8e0d-d9d19b6592fa"   +                        							 "&amount=" + "0.001" +                        							 "&trace="  + System.Guid.NewGuid().ToString() +                        							 "&memo=";                    AppButton btnBTC = new AppButton();                    btnBTC.label     = "Pay BTC 0.001";                    btnBTC.color     = "#0080FF";                    btnBTC.action    = payLinkBTC;                    AppButton btnEOS = new AppButton();                    btnEOS.label     = "Pay EOS 0.1";                    btnEOS.color     = "#8000FF";                    btnEOS.action    = payLinkEOS;                    appBtnList.Add(btnBTC);                    appBtnList.Add(btnEOS);              			callback.SendAppButtonGroupMessage(incomingMessage.data.conversation_id,appBtnList);                  } else  callback.SendTextMessage(incomingMessage.data.conversation_id, clearText,thisMessageId);                }                if (incomingMessage.data.category == "SYSTEM_ACCOUNT_SNAPSHOT") {                  byte[] strOriginal = Convert.FromBase64String(incomingMessage.data.data);                  string clearText = System.Text.Encoding.UTF8.GetString(strOriginal);                  Console.WriteLine(clearText);                  Transfer trsInfo = JsonConvert.DeserializeObject
       
        (clearText);                  Console.WriteLine(trsInfo.asset_id);                  Console.WriteLine(trsInfo.opponent_id);                  Console.WriteLine(trsInfo.amount);                  if ( Int32.Parse(trsInfo.amount) > 0 ) {                    Transfer reqInfo = callback.Transfer(trsInfo.asset_id,                                                        trsInfo.opponent_id,                                                        trsInfo.amount,                                                        USRCONFIG.PinCode,                                                        System.Guid.NewGuid().ToString(),                                                        "");                    Console.WriteLine(reqInfo);                  }                }            }            // Console.WriteLine(incomingMessage);            if (incomingMessage.action == "ACKNOWLEDGE_MESSAGE_RECEIPT")            {                if (incomingMessage.data != null) {                  System.Console.WriteLine("The message delivery status: " +                                            incomingMessage.data.message_id + " "                                            + incomingMessage.data.status);                }            }            if (incomingMessage.action == "LIST_PENDING_MESSAGES")            {                System.Console.WriteLine("The bot is listening!");            }        }    }}复制代码

你好, 比特币!

在项目目录下编译并执行

  • dot build 编译项目.
  • dotnet bin/Debug/netcoreapp2.0/echo_bot.dll 运行机器人程序.
wenewzha:echo_bot wenewzhang$ dotnet buildMicrosoft (R) Build Engine version 15.9.20+g88f5fadfbe for .NET CoreCopyright (C) Microsoft Corporation. All rights reserved.  Restore completed in 154.16 ms for /Users/wenewzhang/Documents/sl/mixin_labs-csharp-bot/echo_bot/echo_bot.csproj.  Restore completed in 154.19 ms for /Users/wenewzhang/Documents/sl/mixin_labs-csharp-bot/mixin-csharp-sdk/mixin-csharp-sdk/mixin-csharp-sdk.csproj.  mixin-csharp-sdk -> /Users/wenewzhang/Documents/sl/mixin_labs-csharp-bot/mixin-csharp-sdk/mixin-csharp-sdk/bin/Debug/netstandard2.0/mixin-csharp-sdk.dll  Created package at /Users/wenewzhang/Documents/sl/mixin_labs-csharp-bot/mixin-csharp-sdk/mixin-csharp-sdk/bin/Debug/MixinCSharpSdk.0.1.0.nupkg.  echo_bot -> /Users/wenewzhang/Documents/sl/mixin_labs-csharp-bot/echo_bot/bin/Debug/netcoreapp2.0/echo_bot.dllBuild succeeded.    0 Warning(s)    0 Error(s)Time Elapsed 00:00:03.33wenewzha:echo_bot wenewzhang$ dotnet bin/Debug/netcoreapp2.0/echo_bot.dll{
   "id":"dd52dfe5-7f12-4c0e-bb44-d1865308e628","action":"LIST_PENDING_MESSAGES","data":null}The bot is listening!复制代码

开发者可以通过消息面板，给机器人转比特币，当机器人收到比特币后，马上返还给用户！

事实上，用户可以发送任意的币种给机器人，它都能马上返还！

源代码解释

if (incomingMessage.data.category == "SYSTEM_ACCOUNT_SNAPSHOT") {	byte[] strOriginal = Convert.FromBase64String(incomingMessage.data.data);	string clearText = System.Text.Encoding.UTF8.GetString(strOriginal);	Transfer trsInfo = JsonConvert.DeserializeObject
    
     (clearText);if ( Int32.Parse(trsInfo.amount) > 0 ) {	Transfer reqInfo = callback.Transfer(trsInfo.asset_id,																			trsInfo.opponent_id,																			trsInfo.amount,																			USRCONFIG.PinCode,																			System.Guid.NewGuid().ToString(),																			"");	Console.WriteLine(reqInfo);}复制代码

如果机器人收到币，trsInfo.amount 大于零；如果机器人支付币给用户，接收到的消息是一样的，唯一不同的是,trsInfo.amount是一个负数. 最后一步，调用SDK的 callback.Transfer 将币返还用户！

高级用法

APP_BUTTON_GROUP

在一些应用场景，比如：有一个交易所想提供换币服务，将比特币换成以太坊，EOS,比特币现金等, 你想显示给用户一组按钮，它们分别代表不同的币与不同的数量,APP_BUTTON_GROUP可以帮你做到这一点.

List
    
      appBtnList = new List
     
      ();  string payLinkEOS = "https://mixin.one/pay?recipient=" +                     USRCONFIG.ClientId  + "&asset=" +                     "6cfe566e-4aad-470b-8c9a-2fd35b49c68d"   +                     "&amount=" + "0.1" +                     "&trace="  + System.Guid.NewGuid().ToString() +                     "&memo=";  string payLinkBTC = "https://mixin.one/pay?recipient=" +                     USRCONFIG.ClientId  + "&asset=" +                     "c6d0c728-2624-429b-8e0d-d9d19b6592fa"   +                     "&amount=" + "0.001" +                     "&trace="  + System.Guid.NewGuid().ToString() +                     "&memo=";  AppButton btnBTC = new AppButton();  btnBTC.label     = "Pay BTC 0.001";  btnBTC.color     = "#0080FF";  btnBTC.action    = payLinkBTC;  AppButton btnEOS = new AppButton();  btnEOS.label     = "Pay EOS 0.1";  btnEOS.color     = "#8000FF";  btnEOS.action    = payLinkEOS;  appBtnList.Add(btnBTC);  appBtnList.Add(btnEOS);  callback.SendAppButtonGroupMessage(incomingMessage.data.conversation_id,appBtnList);复制代码

这里演示给用户BTC与EOS两种，你还可以增加更多的按钮.

APP_CARD

如果你觉得一组按钮太单调了，可以试一下APP_CARD,它提供一个图标的链接

AppCard appCard      = new AppCard();  appCard.title        = "Pay BTC 0.0001";  appCard.icon_url     = "https://images.mixin.one/HvYGJsV5TGeZ-X9Ek3FEQohQZ3fE9LBEBGcOcn4c4BNHovP4fW4YB97Dg5LcXoQ1hUjMEgjbl1DPlKg1TW7kK6XP=s128";  appCard.description  = "hi";  appCard.action       = "https://mixin.one/pay?recipient=" +                           USRCONFIG.ClientId  + "&asset=" +                           "c6d0c728-2624-429b-8e0d-d9d19b6592fa"   +                           "&amount=" + "0.001" +                           "&trace="  + System.Guid.NewGuid().ToString() +                           "&memo=";  callback.SendAppCardMessage(incomingMessage.data.conversation_id,appCard);复制代码

Full code is

转载于:https://juejin.im/post/5c8661575188257ec705336b

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