erc20 working

Models/Blockchain.cs

@@ -142,6 +142,13 @@ namespace HyperCube.Models
             return res;
         }
 
+        public static string hex2bin(string hexstring)
+        {
+            string binarystring = String.Join(String.Empty,  hexstring.Select(    c => Convert.ToString(Convert.ToInt32(c.ToString(), 16), 2).PadLeft(4, '0')  ));
+            Console.WriteLine("bin " + binarystring);
+            return binarystring;
+        }
+
         public static string bin2hex(string code)
         {
             //code = "0x".bin2hex('getCount()');
@@ -162,12 +169,15 @@ namespace HyperCube.Models
         }
 
         public static Blockchain GetMain()
-        {
-            Console.WriteLine("GetMain blockchain_selected " + AccountModel.GetCurrent().blockchain_selected);
+        {            
             try
             {
                 if (loaded.Count > AccountModel.GetCurrent().blockchain_selected)
-                    return loaded[AccountModel.GetCurrent().blockchain_selected];
+                {
+                    var bc = loaded[AccountModel.GetCurrent().blockchain_selected];
+                    Console.WriteLine($"GetMain blockchain_selected {AccountModel.GetCurrent().blockchain_selected} " + bc.address);
+                    return bc;
+                }
                 else
                     Console.WriteLine($"Error: blockchains loaded {loaded.Count}");
             }
@@ -224,12 +234,12 @@ namespace HyperCube.Models
             }
         }
 
-        public static async Task<string> GetSHA3(string code)
+        public async Task<string> GetSHA3(string code)
         {
             var hex = bin2hex(code);
             var req = $"{{ \"jsonrpc\":\"2.0\",\"method\":\"web3_sha3\",\"params\":[\"{hex}\"], \"id\":1}}";
 
-            var answer = await Post.PostRequestAsync(Blockchain.Dev, req);
+            var answer = await Post.PostRequestAsync(this, req);
             dynamic jsonDe = JsonConvert.DeserializeObject(answer);
 
             Console.WriteLine("result " + jsonDe.result);
@@ -248,6 +258,7 @@ namespace HyperCube.Models
             var ret = await RunFunction("eth_getBalance", $"\"{address}\",\"latest\"");
             return ret;
         }
+        //eth.getBalance('0xb504ba124b74333D8536DB534F7fcdC174d6Ee3d')
 
         public async Task<string> GetBalance()
         {
@@ -270,16 +281,20 @@ namespace HyperCube.Models
         }
 
         public async Task<string> RunFunction2(string name, TransactionObject to)
-        {            
+        {
+            //транзакция добавления контракта 0x00bdbf1571aa69a2cf8c8c7913a01eaca3a4b7e5e7e49fc787cb81c0df2c2682
             Dictionary<string, string> paramDict = new Dictionary<string, string>();
             string parms = "{";
-            if (to.from != "")
+            if (to.from != null)
                 paramDict["from"] = to.from;
             //parms += "\"from\":" + to.from;
-            if (to.to != "")
+            if (to.to != null)
                 paramDict["to"] = to.to;
             //parms += "\"to\":"+to.to;
-
+            if (to.data != null)
+            {
+                paramDict["data"] = "0x"+to.data;
+            }
             int count = 0;
             foreach (var p in paramDict)
             {
@@ -290,7 +305,9 @@ namespace HyperCube.Models
                     parms += ",";
                 }
             }
-            Console.WriteLine($"RunFunction {name} params {parms}");
+            parms += "}";
+            parms += ", \"latest\"";
+            Console.WriteLine($"RunFunction {name} params {parms} active bc: {this.address}");
             var req = $"{{ \"jsonrpc\":\"2.0\",\"method\":\"{name}\",\"params\":[{parms}], \"id\":1}}";
 
             var answer = await Post.PostRequestAsync(this, req);
@@ -303,7 +320,7 @@ namespace HyperCube.Models
 
         async Task<string> mySHA3(string code)
         {
-            var res = await Blockchain.GetSHA3(code);
+            var res = await GetSHA3(code);
             Console.WriteLine($"GetSHA3 {code} {res}");
             var ret = res.Substring(2, 8);
             return ret;
@@ -334,24 +351,62 @@ namespace HyperCube.Models
                 }
             }
             string function_processed = final + ")";
+            Console.WriteLine($"function_processed {function_processed}");
             string sha3 = await mySHA3(function_processed);
 
             return sha3;
         }
 
-        public async Task<string> ImportERC20(string contractAddress)
+        public static string HextoString(string InputText)
         {
+
+            byte[] bb = Enumerable.Range(0, InputText.Length)
+                             .Where(x => x % 2 == 0)
+                             .Select(x => Convert.ToByte(InputText.Substring(x, 2), 16))
+                             .ToArray();
+            //return System.Text.Encoding.ASCII.GetString(bb);
+            // or System.Text.Encoding.UTF7.GetString
+            return System.Text.Encoding.UTF8.GetString(bb);
+            // or System.Text.Encoding.Unicode.GetString
+            // or etc.
+        }
+
+        public string ParseStringAnswer(string answer)
+        {
+            answer = answer.Substring(2, answer.Length - 2);
+            int words = answer.Length / 64;
+            for (int i = 0; i < words; i++)
+            {
+                var word = answer.Substring(i * 64, 64);
+                Console.WriteLine($"word {i} {word}");
+                Console.WriteLine($"str {i} {HextoString(word)}");
+            }
+            return answer;
+        }
+
+        public async Task ImportERC20(string contractAddress)
+        {
+            //var gbh = await GetTByHash("0x00bdbf1571aa69a2cf8c8c7913a01eaca3a4b7e5e7e49fc787cb81c0df2c2682");
+            //Console.WriteLine("GetTByHash " + gbh );
             //runfunction balanceOf totalSupply symbol name
             //RunContractRead
             TransactionObject to = new TransactionObject();
             to.to = contractAddress;
 
             //compile data
-            to.data = await compileFunction("name()");
+            //to.data = await compileFunction("decimals");
+            to.data = await compileFunction("name");
             var answer = await RunFunction2("eth_call", to);
-            //var answer = await RunFunction("eth_sendTransaction", $"{{\"from\":\"{address}\",\"to\":\"{contractAddress}\",\"gas\":\"{gas}\", \"data\":\"{data}\", \"value\":\"{value}\"}}");
-            Console.WriteLine("ImportERC20 "+ answer);
-            return answer;
+            //Console.WriteLine("ImportERC20 len "+ answer.Length + " answer " + answer);
+            answer = ParseStringAnswer(answer);
+            //to.data = await compileFunction("balanceOf(address)");
+            to.data = await compileFunction("symbol");
+            answer = await RunFunction2("eth_call", to);
+            answer = ParseStringAnswer(answer);
+            //Console.WriteLine("ImportERC20 len " + answer.Length + " answer " + answer);
+            to.data = await compileFunction("decimals");
+            answer = await RunFunction2("eth_call", to);
+            answer = ParseStringAnswer(answer);0
         }
 
         public async void RunContractRead()
@@ -387,6 +442,13 @@ namespace HyperCube.Models
             return answer;
         }
 
+        public async Task<string> GetTByHash(string transactionAddress)
+        {
+            string req = $"{{\"jsonrpc\":\"2.0\",\"method\":\"eth_getTransactionByHash\",\"params\":[\"{transactionAddress}\"],\"id\":1}}";
+            Console.WriteLine("GetTByHash " + req);
+            return await Post.PostRequestAsync(this, req);
+        }
+
         public async Task<string> GetReceipt(string transactionAddress, bool returnAddress = false)
         {
             Console.WriteLine("transactionAddress " + transactionAddress);

Pages/Blockchains.razor

@@ -172,7 +172,7 @@
 }
 @code
     {
-        AccountModel account;
+    AccountModel account;
     private Random r = new Random();
     private string bcURL = Blockchain.URLdefault;
     private int bcport = Blockchain.defaultPort;
@@ -198,7 +198,9 @@
 
     async Task TestERC20()
     {
-        await Blockchain.GetMain().ImportERC20("0xe5D682717955d6C35d465A3485625C64655a04f4");
+        //0x413D9500A675d9b645034aC5f4325BF12ddeb7c1 bitcoin
+                await Blockchain.GetMain().ImportERC20("0xe5D682717955d6C35d465A3485625C64655a04f4");
+        //await Blockchain.GetMain().ImportERC20("0x413D9500A675d9b645034aC5f4325BF12ddeb7c1");
     }
 
     async Task EstimateGas()
@@ -255,7 +257,7 @@
 
     async Task<string> GetSHA3(string code)
     {
-        var res = await Blockchain.GetSHA3(code);
+        var res = await Blockchain.GetMain().GetSHA3(code);
         Console.WriteLine($"GetSHA3 {code} {res}");
         var ret = res.Substring(2, 8);
         return ret;
@@ -263,7 +265,7 @@
 
     async Task<string> GetSHA3_2()
     {
-        var res = await Blockchain.GetSHA3(sha3);
+        var res = await Blockchain.GetMain().GetSHA3(sha3);
         Console.WriteLine($"GetSHA3 {res}");
         var ret = res.Substring(2, 8);
         return ret;