Dash cryptocurrency support

demo/App.config

@@ -44,6 +44,14 @@
     <add key="Sarcoin_RpcPassword" value="MyRpcPassword" />
     <!-- Sarcoin settings end -->
 
+    <!-- Dash settings start -->
+    <add key="Dash_DaemonUrl" value="http://localhost:9998" />
+    <add key="Dash_DaemonUrl_Testnet" value="http://localhost:19998" />
+    <add key="Dash_WalletPassword" value="MyWalletPassword" />
+    <add key="Dash_RpcUsername" value="MyRpcUsername" />
+    <add key="Dash_RpcPassword" value="MyRpcPassword" />
+    <!-- Dash settings end -->
+
     <!-- Demo client settings start -->
     <add key="ExtractMyPrivateKeys" value="false" />
     <!-- Demo client settings end -->

src/BitcoinLib/BitcoinLib.csproj

@@ -43,6 +43,8 @@
     <Compile Include="Auxiliary\Encoders\HexEncoder.cs" />
     <Compile Include="Auxiliary\GlobalConstants.cs" />
     <Compile Include="Auxiliary\Hashing.cs" />
+    <Compile Include="CoinParameters\Dash\DashConstants.cs" />
+    <Compile Include="CoinParameters\Dash\IDashConstants.cs" />
     <Compile Include="CoinParameters\Dogecoin\DogecoinConstants.cs" />
     <Compile Include="CoinParameters\Dogecoin\IDogecoinConstants.cs" />
     <Compile Include="ExceptionHandling\RawTransactions\RawTransactionExcessiveFeeException.cs" />
@@ -118,6 +120,8 @@
     </Compile>
     <Compile Include="Services\Coins\Cryptocoin\CryptocoinService.cs" />
     <Compile Include="Services\Coins\Cryptocoin\ICryptocoinService.cs" />
+    <Compile Include="Services\Coins\Dash\DashService.cs" />
+    <Compile Include="Services\Coins\Dash\IDashService.cs" />
     <Compile Include="Services\Coins\Dogecoin\DogecoinService.cs" />
     <Compile Include="Services\Coins\Dogecoin\IDogecoinService.cs" />
     <Compile Include="Services\Coins\Litecoin\ILitecoinService.cs" />

src/BitcoinLib/CoinParameters/Base/CoinParameters.cs

@@ -8,6 +8,7 @@
 using BitcoinLib.Services.Coins.Base;
 using BitcoinLib.Services.Coins.Bitcoin;
 using BitcoinLib.Services.Coins.Cryptocoin;
+using BitcoinLib.Services.Coins.Dash;
 using BitcoinLib.Services.Coins.Dogecoin;
 using BitcoinLib.Services.Coins.Litecoin;
 using BitcoinLib.Services.Coins.Sarcoin;
@@ -219,6 +220,45 @@ public CoinParameters(ICoinService coinService,
 
                 #endregion
 
+                #region Dash
+
+                else if (coinService is DashService)
+                {
+                    if (!IgnoreConfigFiles)
+                    {
+                        DaemonUrl = ConfigurationManager.AppSettings.Get("Dash_DaemonUrl");
+                        DaemonUrlTestnet = ConfigurationManager.AppSettings.Get("Dash_DaemonUrl_Testnet");
+                        RpcUsername = ConfigurationManager.AppSettings.Get("Dash_RpcUsername");
+                        RpcPassword = ConfigurationManager.AppSettings.Get("Dash_RpcPassword");
+                        WalletPassword = ConfigurationManager.AppSettings.Get("Dash_WalletPassword");
+                    }
+
+                    CoinShortName = "DASH";
+                    CoinLongName = "Dash";
+                    IsoCurrencyCode = "DASH";
+
+                    TransactionSizeBytesContributedByEachInput = 148;
+                    TransactionSizeBytesContributedByEachOutput = 34;
+                    TransactionSizeFixedExtraSizeInBytes = 10;
+
+                    FreeTransactionMaximumSizeInBytes = 1000;
+                    FreeTransactionMinimumOutputAmountInCoins = 0.0001M;
+                    FreeTransactionMinimumPriority = 57600000;
+                    FeePerThousandBytesInCoins = 0.0001M;
+                    MinimumTransactionFeeInCoins = 0.001M;
+                    MinimumNonDustTransactionAmountInCoins = 0.0000543M;
+
+                    TotalCoinSupplyInCoins = 18900000;
+                    EstimatedBlockGenerationTimeInMinutes = 2.7;
+                    BlocksHighestPriorityTransactionsReservedSizeInBytes = 50000;
+
+                    BaseUnitName = "Duff";
+                    BaseUnitsPerCoin = 100000000;
+                    CoinsPerBaseUnit = 0.00000001M;
+                }
+
+                #endregion
+
                 #region Agnostic coin (cryptocoin)
 
                 else if (coinService is CryptocoinService)

src/BitcoinLib/CoinParameters/Dash/DashConstants.cs

@@ -0,0 +1,18 @@
+using BitcoinLib.CoinParameters.Base;
+
+namespace BitcoinLib.CoinParameters.Dash
+{
+    public static class DashConstants
+    {
+        public sealed class Constants : CoinConstants<Constants>
+        {
+            public readonly ushort CoinReleaseHalfsEveryXInYears = 7;
+            public readonly ushort DifficultyIncreasesEveryXInBlocks = 34560;
+            public readonly uint OneDashInDuffs = 100000000;
+            public readonly decimal OneDuffInDash = 0.00000001M;
+            public readonly decimal OneMicrodashInDash = 0.000001M;
+            public readonly decimal OneMillidashInDash = 0.001M;
+            public readonly string Symbol = "DASH";
+        }
+    }
+}

src/BitcoinLib/CoinParameters/Dash/IDashConstants.cs

@@ -0,0 +1,7 @@
+namespace BitcoinLib.CoinParameters.Dash
+{
+    public interface IDashConstants
+    {
+        DashConstants.Constants Constants { get; }
+    }
+}

src/BitcoinLib/Services/Coins/Dash/DashService.cs

@@ -0,0 +1,33 @@
+using BitcoinLib.CoinParameters.Dash;
+using BitcoinLib.RPC.Specifications;
+
+namespace BitcoinLib.Services.Coins.Dash
+{
+    public class DashService : CoinService, IDashService
+    {
+        public DashService(bool useTestnet = false) : base(useTestnet)
+        {
+        }
+
+        public DashService(string daemonUrl, string rpcUsername, string rpcPassword, string walletPassword)
+            : base(daemonUrl, rpcUsername, rpcPassword, walletPassword)
+        {
+        }
+
+        public DashService(string daemonUrl, string rpcUsername, string rpcPassword, string walletPassword,
+            short rpcRequestTimeoutInSeconds)
+            : base(daemonUrl, rpcUsername, rpcPassword, walletPassword, rpcRequestTimeoutInSeconds)
+        {
+        }
+
+        /// <inheritdoc />
+        public string SendToAddress(string dashAddress, decimal amount, string comment = null, string commentTo = null,
+            bool subtractFeeFromAmount = false, bool useInstantSend = false, bool usePrivateSend = false)
+        {
+            return _rpcConnector.MakeRequest<string>(RpcMethods.sendtoaddress, dashAddress, amount, comment, commentTo,
+                subtractFeeFromAmount, useInstantSend, usePrivateSend);
+        }
+
+        public DashConstants.Constants Constants => DashConstants.Constants.Instance;
+    }
+}

src/BitcoinLib/Services/Coins/Dash/IDashService.cs

@@ -0,0 +1,32 @@
+using BitcoinLib.CoinParameters.Dash;
+using BitcoinLib.Services.Coins.Base;
+
+namespace BitcoinLib.Services.Coins.Dash
+{
+    public interface IDashService : ICoinService, IDashConstants
+    {
+        /// <summary>
+        ///     Send an amount to a given address.
+        /// </summary>
+        /// <param name="dashAddress">The dash address to send to.</param>
+        /// <param name="amount">The amount in DASH to send. eg 0.1.</param>
+        /// <param name="comment">
+        ///     A comment used to store what the transaction is for. This is not part of the transaction,
+        ///     just kept in your wallet.
+        /// </param>
+        /// <param name="commentTo">
+        ///     A comment to store the name of the person or organization to which you're sending the
+        ///     transaction. This is not part of the transaction, just kept in your wallet.
+        /// </param>
+        /// <param name="subtractFeeFromAmount">
+        ///     The fee will be deducted from the amount being sent. The recipient will receive
+        ///     less amount of Dash than you enter in the amount field.
+        /// </param>
+        /// <param name="useInstantSend">Send this transaction as InstantSend.</param>
+        /// <param name="usePrivateSend">Use anonymized funds only.</param>
+        /// <returns>The transaction id.</returns>
+        string SendToAddress(string dashAddress, decimal amount, string comment = null,
+            string commentTo = null, bool subtractFeeFromAmount = false, bool useInstantSend = false,
+            bool usePrivateSend = false);
+    }
+}

src/BitcoinLib/Services/RpcServices/RpcService/RpcService.cs

@@ -18,7 +18,7 @@ namespace BitcoinLib.Services
     //   Implementation of API calls list, as found at: https://en.bitcoin.it/wiki/Original_Bitcoin_client/API_Calls_list (note: this list is often out-of-date so call "help" in your bitcoin-cli to get the latest signatures)
     public partial class CoinService : ICoinService
     {
-        private readonly IRpcConnector _rpcConnector;
+        protected readonly IRpcConnector _rpcConnector;
 
         public CoinService()
         {