通過(guò) C# 買賣Bitcoin

Jacendfeng 發(fā)布于2019-06-27 19:13 / 2323人閱讀

摘要：完整的步驟如下檢查比特幣或的余額，錢包地址。比特幣的到帳時(shí)間是個(gè)區(qū)塊的高度，約分鐘。

方案一: 通過(guò)ExinCore API進(jìn)行幣幣交易

Exincore 提供了基于Mixin Network的幣幣交易API.

你可以支付USDT給ExinCore, ExinCore會(huì)以最低的價(jià)格，最優(yōu)惠的交易費(fèi)將你購(gòu)買的比特幣轉(zhuǎn)給你, 每一幣交易都是匿名的，并且可以在區(qū)塊鏈上進(jìn)行驗(yàn)證，交易的細(xì)節(jié)只有你與ExinCore知道！

ExinCore 也不知道你是誰(shuí)，它只知道你的UUID.

預(yù)備知識(shí):

你先需要?jiǎng)?chuàng)建一個(gè)機(jī)器人, 方法在教程一.

安裝依賴包

正如教程一里我們介紹過(guò)的，我們需要依賴 mixin-csharp-sdk, 你應(yīng)該先安裝過(guò)它了，這兒我們?cè)侔惭b MsgPack.Cli 軟件包.

  dotnet add package MixinCSharpSdk
  dotnet add package MsgPack.Cli --version 1.0.1

充幣到 Mixin Network, 并讀出它的余額.

通過(guò)ExinCore API, 可以進(jìn)行BTC, USDT, EOS, ETH 等等交易，此處演示用 USDT購(gòu)買BTC 或者用BTC購(gòu)買USDT。交易前，先檢查一下錢包地址。
完整的步驟如下:

檢查比特幣或USDT的余額，錢包地址。并記下錢包地址。

從第三方交易所或者你的冷錢包中，將幣充到上述錢包地址。

再檢查一下幣的余額，看到帳與否。(比特幣的到帳時(shí)間是5個(gè)區(qū)塊的高度，約100分鐘)。

比特幣與USDT的充值地址是一樣的。

  MixinApi mixinApiNewUser = new MixinApi();
  mixinApiNewUser.Init(UserIDNewUser, "", SessionIDNewUser, PinTokenNewUser, PrivateKeyNewUser);
  Asset AssetBTC = mixinApiNewUser.ReadAsset(USRCONFIG.ASSET_ID_BTC);
  Console.WriteLine("New User " + UserIDNewUser + " "s BTC balance is " + AssetBTC.balance);
  Console.WriteLine("New User " + UserIDNewUser + " "s BTC address is " + AssetBTC.public_key);

查詢ExinCore市場(chǎng)的價(jià)格信息

如何來(lái)查詢ExinCore市場(chǎng)的價(jià)格信息呢？你要先了解你交易的基礎(chǔ)幣是什么，如果你想買比特幣，賣出USDT,那么基礎(chǔ)貨幣就是USDT;如果你想買USDT,賣出比特幣，那么基礎(chǔ)貨幣就是比特幣.

string jsonData = FetchMarketPrice("815b0b1a-2764-3736-8faa-42d694fa620a");
var marketObj = JsonConvert.DeserializeObject(jsonData);
foreach (AssetInfo value in marketObj.data)
{
    Console.WriteLine(value);
}

public class MarketInfo
{
    public string code { get; set; }
    public string message { get; set; }
    public List data { get; set; }
    public override string ToString()
    {
        return JsonConvert.SerializeObject(this);
    }
}
public class AssetInfo
{
    public string base_asset { get; set; }
    public string base_asset_symbol { get; set; }
    public string exchange_asset_symbol { get; set; }
    public string price  { get; set; }
    public string minimum_amount { get; set; }
    public string maximum_amount  { get; set; }
    public List exchanges  { get; set; }

    public override string ToString()
    {
        return JsonConvert.SerializeObject(this);
    }
}


public static string FetchMarketPrice(string asset_id)
{
    return FetchMarketPriceAsync(asset_id).Result;
}
public static async Task FetchMarketPriceAsync(string asset_id)
{
  HttpClient client = new HttpClient();
  // Call asynchronous network methods in a try/catch block to handle exceptions
  try
  {
     HttpResponseMessage response = await client.GetAsync("https://exinone.com/exincore/markets?base_asset=" + asset_id);
     response.EnsureSuccessStatusCode();
     string responseBody = await response.Content.ReadAsStringAsync();
     // Above three lines can be replaced with new helper method below
     // string responseBody = await client.GetStringAsync(uri);
     Console.WriteLine(responseBody);
     return responseBody;
  }
  catch(HttpRequestException e)
  {
     Console.WriteLine("
Exception Caught!");
     Console.WriteLine("Message :{0} ",e.Message);
  }
  return null;
}

交易前，創(chuàng)建一個(gè)Memo!

在第二章里,基于Mixin Network的 C# 比特幣開發(fā)教程: 機(jī)器人接受比特幣并立即退還用戶, 我們學(xué)習(xí)過(guò)退還用戶比特幣，在這里，我們除了給ExinCore支付幣外，還要告訴他我們想購(gòu)買的幣是什么，即將想購(gòu)買的幣存到memo里。

private static string TargetAssetID(string asset_id) {
  Guid guid = new Guid(asset_id);
  var gbytes = guid.ToByteArray();
  Array.Reverse(gbytes,0,4);
  Array.Reverse(gbytes,4,2);
  Array.Reverse(gbytes,6,2);
  var serializer = MessagePackSerializer.Get(gbytes.GetType());

  var stream = new MemoryStream();
  serializer.Pack(stream, gbytes);
  return Convert.ToBase64String(stream.ToArray());
}

幣幣交易的完整流程

轉(zhuǎn)幣給ExinCore時(shí)，將memo寫入你希望購(gòu)買的幣，否則，ExinCore會(huì)直接退幣給你！
如果你想賣出比特幣買入U(xiǎn)SDT,調(diào)用方式如下：

//config.cs
public static string EXIN_BOT     = "61103d28-3ac2-44a2-ae34-bd956070dab1";
// public static string EXIN_BOT     = "0b1a2027-4fd6-3aa0-b3a3-814778bb7a2e";
public static string MASTER_UUID  = "0b4f49dc-8fb4-4539-9a89-fb3afc613747";
public static string ASSET_ID_BTC = "c6d0c728-2624-429b-8e0d-d9d19b6592fa";
public static string ASSET_ID_EOS = "6cfe566e-4aad-470b-8c9a-2fd35b49c68d";
public static string ASSET_ID_USDT= "815b0b1a-2764-3736-8faa-42d694fa620a";

//Program.cs
if (cmd == "5" ) {
    var memo = TargetAssetID(USRCONFIG.ASSET_ID_USDT);
    Console.WriteLine(memo);
    using (TextReader fileReader = File.OpenText(@"mybitcoin_wallet.csv"))
    {
        var csv = new CsvReader(fileReader);
        csv.Configuration.HasHeaderRecord = false;
        while (csv.Read())
        {
          string PrivateKeyNewUser;
          csv.TryGetField(0, out PrivateKeyNewUser);
          string PinTokenNewUser;
          csv.TryGetField(1, out PinTokenNewUser);
          string SessionIDNewUser;
          csv.TryGetField(2, out SessionIDNewUser);
          string UserIDNewUser;
          csv.TryGetField(3, out UserIDNewUser);
          string PinNewUser;
          csv.TryGetField(4, out PinNewUser);
          MixinApi mixinApiNewUser = new MixinApi();
          mixinApiNewUser.Init(UserIDNewUser, "", SessionIDNewUser, PinTokenNewUser, PrivateKeyNewUser);
          // Console.WriteLine(mixinApiNewUser.CreatePIN("", "123456").ToString());
          Transfer reqInfo = mixinApiNewUser.Transfer(USRCONFIG.ASSET_ID_BTC,
                                  USRCONFIG.EXIN_BOT,
                                  "0.0001",
                                  PinNewUser.ToString(),
                                  System.Guid.NewGuid().ToString(),
                                  memo);
          Console.WriteLine(reqInfo);
        }
    }
}

如果你想賣出USDT買入比特幣,調(diào)用方式如下：

if (cmd == "6" ) {
    var memo = TargetAssetID(USRCONFIG.ASSET_ID_BTC);
    Console.WriteLine(memo);
    using (TextReader fileReader = File.OpenText(@"mybitcoin_wallet.csv"))
    {
        var csv = new CsvReader(fileReader);
        csv.Configuration.HasHeaderRecord = false;
        while (csv.Read())
        {
          string PrivateKeyNewUser;
          csv.TryGetField(0, out PrivateKeyNewUser);
          string PinTokenNewUser;
          csv.TryGetField(1, out PinTokenNewUser);
          string SessionIDNewUser;
          csv.TryGetField(2, out SessionIDNewUser);
          string UserIDNewUser;
          csv.TryGetField(3, out UserIDNewUser);
          string PinNewUser;
          csv.TryGetField(4, out PinNewUser);
          MixinApi mixinApiNewUser = new MixinApi();
          mixinApiNewUser.Init(UserIDNewUser, "", SessionIDNewUser, PinTokenNewUser, PrivateKeyNewUser);
          // Console.WriteLine(mixinApiNewUser.CreatePIN("", "123456").ToString());
          Transfer reqInfo = mixinApiNewUser.Transfer(USRCONFIG.ASSET_ID_USDT,
                                  USRCONFIG.EXIN_BOT,
                                  "1",
                                  PinNewUser.ToString(),
                                  System.Guid.NewGuid().ToString(),
                                  memo);
          Console.WriteLine(reqInfo);
        }
    }
}

交易完成后，Exincore會(huì)將你需要的幣轉(zhuǎn)到你的帳上，同樣，會(huì)在memo里，記錄成交價(jià)格，交易費(fèi)用等信息！你只需要按下面的方式解開即可！

NetworkSnapshots 讀取錢包的交易記錄。

using (TextReader fileReader = File.OpenText(@"mybitcoin_wallet.csv"))
{
    var csv = new CsvReader(fileReader);
    csv.Configuration.HasHeaderRecord = false;
    while (csv.Read())
    {
      string PrivateKeyNewUser;
      csv.TryGetField(0, out PrivateKeyNewUser);
      string PinTokenNewUser;
      csv.TryGetField(1, out PinTokenNewUser);
      string SessionIDNewUser;
      csv.TryGetField(2, out SessionIDNewUser);
      string UserIDNewUser;
      csv.TryGetField(3, out UserIDNewUser);
      string PinNewUser;
      csv.TryGetField(4, out PinNewUser);
      MixinApi mixinApiNewUser = new MixinApi();
      mixinApiNewUser.Init(UserIDNewUser, "", SessionIDNewUser, PinTokenNewUser, PrivateKeyNewUser);
      // Console.WriteLine(mixinApiNewUser.CreatePIN("", "123456").ToString());
      var snaps = mixinApiNewUser.NetworkSnapshots(10,"2019-03-26T01:49:52.462741863Z", "815b0b1a-2764-3736-8faa-42d694fa620a", "ASC",true);
      // Console.WriteLine(snaps);
      foreach (var sn in snaps)
      {
        if ( Convert.ToDouble(sn.amount) > 0 ) {
          if ( sn.data != null ) {
            var memoBytes = Convert.FromBase64String(sn.data);
            var memoObj = MessagePackSerializer.UnpackMessagePackObject(memoBytes);
            Console.WriteLine(memoObj.ToString());

            var xR = JsonConvert.DeserializeObject(memoObj.ToString());
            Console.WriteLine(xR.C);
            if (xR.C == "1000") {
              Console.WriteLine("-----------Successfully--Exchange-------------");
              Console.WriteLine("You got " + sn.amount.ToString() + " back!");
              Console.WriteLine("Price is  " + xR.P + " Fee is " + xR.F +
                                " Percent of fee: " +
                                Convert.ToDouble(xR.F)/Convert.ToDouble(sn.amount)*100 + " %");
              Console.WriteLine("Fee Asset uuid: " + HexStringToUUID(xR.FA));
              Console.WriteLine("trace  uuid: " + HexStringToUUID(xR.O));
              Console.WriteLine("----------end of snapshots query--------------");
            }
          }
        }
      }
    }
}

一次成功的交易如下：

-----------Successfully--Exchange-------------
You got 0.3923244 back!
Price is  3938.62 Fee is 0.0007878 Percent of fee: 0.200803212851406 %
Fee Asset uuid: 815b0b1a-2764-3736-8faa-42d694fa620a
trace  uuid: 1a3d8561-26e7-49bb-8ae3-ed85ce2bb957
----------end of snapshots query--------------

讀取幣的余額

通過(guò)讀取幣的余額，來(lái)確認(rèn)交易情況！

  MixinApi mixinApiNewUser = new MixinApi();
  mixinApiNewUser.Init(UserIDNewUser, "", SessionIDNewUser, PinTokenNewUser, PrivateKeyNewUser);
  Asset AssetBTC = mixinApiNewUser.ReadAsset(USRCONFIG.ASSET_ID_BTC);
  Console.WriteLine("New User " + UserIDNewUser + " "s BTC balance is " + AssetBTC.balance);
  Console.WriteLine("New User " + UserIDNewUser + " "s BTC address is " + AssetBTC.public_key);

源代碼執(zhí)行

編譯執(zhí)行，即可開始交易了.

[x] dotnet build 編譯項(xiàng)目.

[x] dotnet bin/Debug/netcoreapp2.2/bitcoin_wallet.dll 運(yùn)行它.

本代碼執(zhí)行時(shí)的命令列表:

1: Create Bitcoin Wallet and update PIN

2: Read Bitcoin balance & address

3: Read USDT balance & address

4: Read EOS balance & address

5: pay 0.0001 BTC buy USDT

6: pay $1 USDT buy BTC

7: Read Snapshots

8: Fetch market price(USDT)

9: Fetch market price(BTC)

v: Verify Wallet Pin

q: Exit

Make your choose:

完整代碼

Solution Two: List your order on Ocean.One exchange

GPU云服務(wù)器云服務(wù)器 Bitcoin 域名買賣網(wǎng)站買賣區(qū)域名買賣

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通過(guò) C# 買賣Bitcoin

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