摘要:方案二在去中心化交易所上挂单买卖是基于的去中心化交易所,它性能一流。完整的步骤如下检查比特币或的余额,钱包地址。比特币的到帐时间是个区块的高度,约分钟。
上一章介绍了Exincore,你可以1秒完成资产的市价买卖。如果你想限定价格买卖,或者买卖一些exincore不支持的资产,你需要OceanOne。
方案二: 在去中心化交易所OceanOne上挂单买卖BitcoinOcean.one是基于Mixin Network的去中心化交易所,它性能一流。
你可以在OceanOne上交易任何资产,只需要将你的币转给OceanOne, 将交易信息写在交易的memo里,OceanOne会在市场里列出你的交易需求,
交易成功后,会将目标币转入到你的MixinNetwork帐上,它有三大特点与优势:
不需要在OceanOne注册
不需要存币到交易所
支持所有Mixin Network上能够转账的资产,所有的ERC20 EOS代币。
预备知识:你先需要创建一个机器人, 方法在 教程一.
安装依赖包我们需要依赖 MsgPack.Cli and mixin-csharp-sdk ,第四章 已经做过介绍, 你应该先安装过它了.
充币到 Mixin Network, 并读出它的余额.此处演示用 USDT购买BTC 或者 用BTC购买USDT。交易前,先检查一下钱包地址。
完整的步骤如下:
检查比特币或USDT的余额,钱包地址。并记下钱包地址。
从第三方交易所或者你的冷钱包中,将币充到上述钱包地址。
再检查一下币的余额,看到帐与否。(比特币的到帐时间是5个区块的高度,约100分钟)。
比特币与USDT的充值地址是一样的。
if (cmd == "aw" ) { // Console.WriteLine(mixinApi.VerifyPIN(USRCONFIG.PinCode.ToString()).ToString()); MixinApi mixinApiNewUser = GetWalletSDK(); var assets = mixinApiNewUser.ReadAssets(); string wuuid = GetWalletUUID(); Console.WriteLine("Current wallet uuid is " + wuuid); foreach (Asset asset in assets) { if (asset.symbol == "EOS") { Console.WriteLine(asset.symbol + " Public Address is: " + asset.account_name + " " + asset.account_tag + " Balance is: " + asset.balance); } else Console.WriteLine(asset.symbol + " Public Address is: " + asset.public_key + " Balance is: " + asset.balance); Console.WriteLine(); } }取得Ocean.one的市场价格信息
如何来查询Ocean.one市场的价格信息呢?你要先了解你交易的基础币是什么,如果你想买比特币,卖出USDT,那么基础货币就是USDT;如果你想买USDT,卖出比特币,那么基础货币就是比特币.
public class MarketInfoOcean { public Omarket data { get; set; } } public class Omarket { public string market { get; set; } public string timestamp { get; set; } public Side data { get; set; } } public class Side { public List交易前,创建一个Memo!asks { get; set; } public List bids { get; set; } } public class order { public string amount { get; set; } public string funds { get; set; } public string price { get; set; } public string side { get; set; } } if (cmdo == "1") { string jsonData = FetchOceanMarketPrice(USRCONFIG.XIN_ASSET_ID,USRCONFIG.ASSET_ID_USDT); // string jsonData = FetchMarketPrice("c6d0c728-2624-429b-8e0d-d9d19b6592fa"); var marketObj = JsonConvert.DeserializeObject (jsonData); Console.WriteLine("--Price--Amount---Funds---Side----"); foreach (order value in marketObj.data.data.asks) { Console.WriteLine(value.price + " " + value.amount + " " + value.funds + " " + value.side); } foreach (order value in marketObj.data.data.bids) { Console.WriteLine(value.price + " " + value.amount + " " + value.funds + " " + value.side); } } public static string FetchOceanMarketPrice(string asset_id, string base_asset) { return FetchOceanMarketPriceAsync(asset_id,base_asset).Result; } public static async Task FetchOceanMarketPriceAsync(string asset_id, string base_asset) { HttpClient client = new HttpClient(); string baseUrl = "https://events.ocean.one/markets/" + asset_id + "-" + base_asset + "/book"; try { HttpResponseMessage response = await client.GetAsync(baseUrl); 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; }
在第二章里,基于Mixin Network的 C# 比特币开发教程: 机器人接受比特币并立即退还用户, 我们学习过转帐,这儿我们介绍如何告诉Ocean.one,我们给它转帐的目的是什么,信息全部放在memo里.
Side 方向,"B" 或者 "A", "B"是购买, "A"是出售.
AssetUuid 目标虚拟资产的UUID.
Price 价格,如果操作方向是"B", 价格就是AssetUUID的价格; 如果操作方向是"B", 价格就是转给Ocean.one币的价格.
private static string GenerateOrderMemo(string Side, string AssetUuid, string Price) { Hashtable temp = new Hashtable(); temp.Add("S","A"); temp.Add("A",StringGuid2Bytes(AssetUuid)); temp.Add("P",Price); temp.Add("T","L"); var serializer3 = MessagePackSerializer.Get(); var stream3 = new MemoryStream(); serializer3.Pack(stream3, temp); string memo = Convert.ToBase64String(stream3.ToArray()); return memo; }
买入XIN的代码如下:
public static string OCEANONE_BOT = "aaff5bef-42fb-4c9f-90e0-29f69176b7d4"; 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"; public static string XIN_ASSET_ID = "c94ac88f-4671-3976-b60a-09064f1811e8"; if ( cmdo == "b1") { Console.WriteLine("Please input the price of XIN/USDT: "); var pinput = Console.ReadLine(); Console.WriteLine("Please input the amount of USDT: "); var ainput = Console.ReadLine(); string memo = GenerateOrderMemo("A",USRCONFIG.ASSET_ID_USDT,pinput); Console.WriteLine(memo); MixinApi mixinApiNewUser = GetWalletSDK(); var assets = mixinApiNewUser.ReadAsset(USRCONFIG.ASSET_ID_USDT); Console.WriteLine(assets.balance); float balance = float.Parse(assets.balance); float amount = float.Parse(ainput); if ( ( balance >= 1.0 ) && ( balance >= amount ) ) { Transfer reqInfo = mixinApiNewUser.Transfer(USRCONFIG.ASSET_ID_USDT, USRCONFIG.OCEANONE_BOT, ainput, GetWalletPinCode(), System.Guid.NewGuid().ToString(), memo); Console.WriteLine(reqInfo); Console.WriteLine("Order id is " + reqInfo.trace_id); } else Console.WriteLine("Not enough USDT!"); }出售XIN的例子
转打算出售的XIN给Ocean.one(OCEANONE_BOT),将你打算换回来的目标虚拟资产的UUID放入memo.
if ( cmdo == "s1") { Console.WriteLine("Please input the price of XIN/USDT: "); var pinput = Console.ReadLine(); Console.WriteLine("Please input the amount of XIN: "); var ainput = Console.ReadLine(); string memo = GenerateOrderMemo("B",USRCONFIG.XIN_ASSET_ID,pinput); Console.WriteLine(memo); // Console.WriteLine(Convert.ToBase64String(stream3.ToArray())); MixinApi mixinApiNewUser = GetWalletSDK(); var assets = mixinApiNewUser.ReadAsset(USRCONFIG.XIN_ASSET_ID); float balance = float.Parse(assets.balance); float amount = float.Parse(ainput); if ( ( balance >= 0 ) && ( balance >= amount ) ) { Transfer reqInfo = mixinApiNewUser.Transfer(USRCONFIG.XIN_ASSET_ID, USRCONFIG.OCEANONE_BOT, ainput, GetWalletPinCode(), System.Guid.NewGuid().ToString(), memo); Console.WriteLine(reqInfo); Console.WriteLine("Order id is " + reqInfo.trace_id); } else Console.WriteLine("Not enough XIN!"); }
一个成功的挂单如下:
Please input the price of XIN/USDT: 110 Please input the amount of USDT: 1 hKFBxBDJSsiPRnE5drYKCQZPGBHooVShTKFToUKhUKMxMTA= 1 {"type":"transfer","snapshot_id":"fe04c667-3ad9-4f2b-b205-ba2cef3733ea", "opponent_id":"aaff5bef-42fb-4c9f-90e0-29f69176b7d4", "asset_id":"815b0b1a-2764-3736-8faa-42d694fa620a","amount":"-1", "trace_id":"12cd76aa-e953-4897-bef0-18123a5e69dc", "memo":"hKFBxBDJSsiPRnE5drYKCQZPGBHooVShTKFToUKhUKMxMTA=", "created_at":"2019-05-06T06:43:13.488971627Z"} Order id is 12cd76aa-e953-4897-bef0-18123a5e69dc取消挂单
Ocean.one将trace_id当做订单,比如上面的例子, 12cd76aa-e953-4897-bef0-18123a5e69dc 就是订单号,我们用他来取消订单。
if ( cmdo == "c") { Console.WriteLine("Please input the Order id: "); var oinput = Console.ReadLine(); Hashtable temp = new Hashtable(); temp.Add("O",StringGuid2Bytes(oinput)); var serializer3 = MessagePackSerializer.Get通过读取资产余额,来确认到帐情况(); var stream3 = new MemoryStream(); serializer3.Pack(stream3, temp); string memo = Convert.ToBase64String(stream3.ToArray()); MixinApi mixinApiNewUser = GetWalletSDK(); var assets = mixinApiNewUser.ReadAsset(USRCONFIG.CNB_ASSET_ID); Console.WriteLine(assets.balance); float balance = float.Parse(assets.balance); if ( balance >= 0 ) { Transfer reqInfo = mixinApiNewUser.Transfer(USRCONFIG.CNB_ASSET_ID, USRCONFIG.OCEANONE_BOT, "0.0000001", GetWalletPinCode(), System.Guid.NewGuid().ToString(), memo); Console.WriteLine(reqInfo); } else Console.WriteLine("Not enough CNB!"); }
MixinApi mixinApiNewUser = GetWalletSDK(); var assets = mixinApiNewUser.ReadAssets();源代码执行
编译执行,即可开始交易了.
源代码执行编译执行,即可开始交易了.
[x] dotnet build 编译项目.
[x] dotnet bin/Debug/netcoreapp2.2/bitcoin_wallet.dll 运行它.
本代码执行时的命令列表:
Commands list of this source code:
1: Create Bitcoin Wallet and update PIN
2: Read Bitcoin balance & address
3: Read USDT balance & address
4: Read EOS balance & address
tub: Transfer USDT from Bot to Wallet
tum: Transfer USDT from Wallet to Master
tcb: Transfer CNB from Bot to Wallet
tcm: Transfer CNB from Wallet to Master
txb: Transfer XIN from Bot to Wallet
txm: Transfer XIN from Wallet to Master
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
ab: Read Bot Assets
aw: Read Wallet Assets
o: OceanOne Trading
q: Exit
Make your choose:
Make your choose(eg: q for Exit!):
Make your choose:
o
1: Fetch XIN/USDT orders
s1: Sell XIN/USDT
b1: Buy XIN/USDT
2: Fetch ERC20(Benz)/USDT orders
s2: Sell Benz/USDT
b2: Buy Benz/USDT
c: Cancel Order
q: Exit
完整代码
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