Version 0.11.0:

Remove dead APIs
Introduce new API using Blockchair.com for both bitcoin and BCH
Some code cleanup

SharpPusher/MainWindowViewModel.cs

@@ -17,24 +17,19 @@ public MainWindowViewModel()
             BroadcastTxCommand = new BindableCommand(BroadcastTx, CanBroadcast);
 
             Version ver = Assembly.GetExecutingAssembly().GetName().Version;
-            versionString = string.Format("Version {0}.{1}.{2}", ver.Major, ver.Minor, ver.Build);
+            VersionString = ver.ToString(3);
         }
 
+        public string VersionString { get; }
 
-        private string versionString;
-        public string VersionString
-        {
-            get { return versionString; }
-        }
 
-
-        private string rawTx;
+        private string _rawTx;
         public string RawTx
         {
-            get { return rawTx; }
+            get => _rawTx;
             set
             {
-                if (SetField(ref rawTx, value))
+                if (SetField(ref _rawTx, value))
                 {
                     BroadcastTxCommand.RaiseCanExecuteChanged();
                 }
@@ -50,13 +45,13 @@ public enum Networks
 
         public ObservableCollection<Networks> NetworkList { get; set; }
 
-        private Networks selectedNetwork;
+        private Networks _selNet;
         public Networks SelectedNetwork
         {
-            get { return selectedNetwork; }
+            get { return _selNet; }
             set
             {
-                if (SetField(ref selectedNetwork, value))
+                if (SetField(ref _selNet, value))
                 {
                     SetApiList();
                 }
@@ -69,52 +64,50 @@ private void SetApiList()
                 case Networks.Bitcoin:
                     ApiList = new ObservableCollection<Api>()
                     {
-                        new Blockr(),
+                        new Blockchair(Blockchair.Chain.BTC),
                         new Smartbit(),
                         new BlockCypher(),
-                        new BlockExplorer(),
-                        //new BlockchainInfo() /*I can't get BLockchain.info API to work, and the code is exact copy of their repository! So I'll just remove it for now (only from this list) until I can fix it.*/
                     };
                     break;
                 case Networks.BitcoinCash:
                     ApiList = new ObservableCollection<Api>()
                     {
-                        new BlockDozer(),
+                        new Blockchair(Blockchair.Chain.BCH),
                     };
                     break;
             }
         }
 
 
-        private ObservableCollection<Api> apiList;
+        private ObservableCollection<Api> _apiList;
         public ObservableCollection<Api> ApiList
         {
-            get { return apiList; }
-            set { SetField(ref apiList, value); }
+            get => _apiList;
+            set => SetField(ref _apiList, value);
         }
 
 
-        private Api selectedApi;
+        private Api _selApi;
         public Api SelectedApi
         {
-            get { return selectedApi; }
+            get => _selApi;
             set
             {
-                if (SetField(ref selectedApi, value))
+                if (SetField(ref _selApi, value))
                 {
                     BroadcastTxCommand.RaiseCanExecuteChanged();
                 }
             }
         }
 
 
-        private bool isSending;
+        private bool _isSending;
         public bool IsSending
         {
-            get { return isSending; }
+            get => _isSending;
             set
             {
-                if (SetField(ref isSending, value))
+                if (SetField(ref _isSending, value))
                 {
                     BroadcastTxCommand.RaiseCanExecuteChanged();
                 }
@@ -144,7 +137,7 @@ private async void BroadcastTx()
         }
         private bool CanBroadcast()
         {
-            if (!string.IsNullOrWhiteSpace(RawTx) && !IsSending && selectedApi != null)
+            if (!string.IsNullOrWhiteSpace(RawTx) && !IsSending && SelectedApi != null)
             {
                 return true;
             }
@@ -153,6 +146,5 @@ private bool CanBroadcast()
                 return false;
             }
         }
-
     }
 }

SharpPusher/Properties/AssemblyInfo.cs

@@ -51,5 +51,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.10.0.0")]
-[assembly: AssemblyFileVersion("0.10.0.0")]
+[assembly: AssemblyVersion("0.11.0.0")]
+[assembly: AssemblyFileVersion("0.11.0.0")]

SharpPusher/Services/PushServices/BlockDozer.cs → SharpPusher/Services/PushServices/Blockchair.cs

@@ -1,18 +1,29 @@
 using Newtonsoft.Json.Linq;
 using System;
 using System.Collections.Generic;
+using System.Net;
 using System.Net.Http;
 using System.Threading.Tasks;
 
 namespace SharpPusher.Services.PushServices
 {
-   public class BlockDozer : Api
+    public sealed class Blockchair : Api
     {
-        public override string ApiName
+        public Blockchair(Chain chain)
         {
-            get { return "BlockDozer"; }
+            this.chain = chain;
         }
 
+        public enum Chain
+        {
+            BTC,
+            BCH
+        }
+
+        private readonly Chain chain;
+
+        public override string ApiName => "Blockchair";
+
         public override async Task<Response<string>> PushTx(string txHex)
         {
             Response<string> resp = new Response<string>();
@@ -21,11 +32,12 @@ public override async Task<Response<string>> PushTx(string txHex)
             {
                 try
                 {
-                    string url = "http://blockdozer.com/insight-api/tx/send";
+                    string chainName = chain == Chain.BTC ? "bitcoin" : "bitcoin-cash";
+                    string url = $"https://api.blockchair.com/{chainName}/push/transaction";
 
                     var content = new FormUrlEncodedContent(new[]
                     {
-                        new KeyValuePair<string, string>( "rawtx", txHex)
+                        new KeyValuePair<string, string>("data", txHex)
                     });
 
                     HttpResponseMessage httpResp = await client.PostAsync(url, content);
@@ -34,7 +46,12 @@ public override async Task<Response<string>> PushTx(string txHex)
                     if (httpResp.IsSuccessStatusCode)
                     {
                         JObject jResult = JObject.Parse(result);
-                        resp.Result = "Successfully done. Tx ID: " + jResult["txid"].ToString();
+                        resp.Result = "Successfully done. Tx ID: " + jResult["data"]["transaction_hash"].ToString();
+                    }
+                    else if (httpResp.StatusCode == HttpStatusCode.BadRequest)
+                    {
+                        JObject jResult = JObject.Parse(result);
+                        resp.Result = "Bad request: " + jResult["context"]["error"].ToString();
                     }
                     else
                     {
@@ -50,6 +67,5 @@ public override async Task<Response<string>> PushTx(string txHex)
 
             return resp;
         }
-
     }
 }

SharpPusher/SharpPusher.csproj

@@ -62,10 +62,9 @@
     <Compile Include="Services\Api.cs" />
     <Compile Include="Services\ErrorCollection.cs" />
     <Compile Include="Services\PushServices\BlockchainInfo.cs" />
+    <Compile Include="Services\PushServices\Blockchair.cs" />
     <Compile Include="Services\PushServices\BlockCypher.cs" />
-    <Compile Include="Services\PushServices\BlockDozer.cs" />
     <Compile Include="Services\PushServices\BlockExplorer.cs" />
-    <Compile Include="Services\PushServices\Blockr.cs" />
     <Compile Include="Services\PushServices\Smartbit.cs" />
     <Compile Include="Services\Response.cs" />
     <Page Include="MainWindow.xaml">