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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…

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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…

在 上一篇教程中, 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<RecvWebSocketMessage>(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<AppButton> appBtnList = new List<AppButton>();
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<Transfer>(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 build
Microsoft (R) Build Engine version 15.9.20+g88f5fadfbe for .NET Core
Copyright (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.dll
Build succeeded.
0 Warning(s)
0 Error(s)
Time Elapsed 00:00:03.33
wenewzha: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<Transfer>(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<AppButton> appBtnList = new List<AppButton>();
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 here

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

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