Added api methods

Breeze/src/Breeze.TumbleBit.Client/ITumblerService.cs

-using System;
-using System.Collections.Generic;
-using System.Text;
-using System.Threading.Tasks;
+using System.Threading.Tasks;
+using Breeze.TumbleBit.Models;
+using NBitcoin;
 using NTumbleBit;
 using NTumbleBit.ClassicTumbler;
+using NTumbleBit.PuzzlePromise;
+using NTumbleBit.PuzzleSolver;
+using PuzzlePromise = NTumbleBit.PuzzlePromise;
+using PuzzleSolver = NTumbleBit.PuzzleSolver;
 
 namespace Breeze.TumbleBit.Client
 {
@@ -17,5 +20,25 @@ namespace Breeze.TumbleBit.Client
         /// </summary>
         /// <returns></returns>
         Task<ClassicTumblerParameters> GetClassicTumblerParametersAsync();
+
+        Task<UnsignedVoucherInformation> AskUnsignedVoucher();
+
+        Task<PuzzleSolution> SignVoucherAsync(SignVoucherRequest signVoucherRequest);
+
+        Task<ScriptCoin> OpenChannelAsync(OpenChannelRequest request);
+
+        Task<TumblerEscrowKeyResponse> RequestTumblerEscrowKeyAsync(int cycleStart);
+
+        Task<ServerCommitmentsProof> CheckRevelationAsync(int cycleId, string channelId, PuzzlePromise.ClientRevelation revelation);
+
+        Task<SolutionKey[]> CheckRevelationAsync(int cycleId, string channelId, PuzzleSolver.ClientRevelation revelation);
+
+        Task<PuzzlePromise.ServerCommitment[]> SignHashesAsync(int cycleId, string channelId, SignaturesRequest sigReq);
+        
+        Task<OfferInformation> CheckBlindFactorsAsync(int cycleId, string channelId, BlindFactor[] blindFactors);
+
+        Task<PuzzleSolver.ServerCommitment[]> SolvePuzzlesAsync(int cycleId, string channelId, PuzzleValue[] puzzles);
+
+        Task<SolutionKey[]> FulfillOfferAsync(int cycleId, string channelId, TransactionSignature clientSignature);
     }
 }

Breeze/src/Breeze.TumbleBit.Client/Models/SignVoucherRequest.cs

+using NBitcoin;
+using NTumbleBit.ClassicTumbler;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Breeze.TumbleBit.Models
+{
+	public class SignVoucherRequest
+	{
+		public int KeyReference { get; set; }
+
+		public PubKey TumblerEscrowPubKey { get; set; }
+
+        public ClientEscrowInformation ClientEscrowInformation { get; set; }
+
+        public MerkleBlock MerkleProof { get; set; }
+
+        public Transaction Transaction { get; set; }
+    }
+}

Breeze/src/Breeze.TumbleBit.Client/Models/TumblerEscrowKeyResponse.cs

+using NBitcoin;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Breeze.TumbleBit.Models
+{
+    public class TumblerEscrowKeyResponse
+    {
+        public int KeyIndex { get; set; }
+
+        public PubKey PubKey { get; set; }
+    }
+}

Breeze/src/Breeze.TumbleBit.Client/TumblerService.cs

 using System;
 using System.Collections.Generic;
 using System.Threading.Tasks;
+using Breeze.TumbleBit.Models;
 using Flurl;
 using Flurl.Http;
 using Flurl.Http.Configuration;
+using NBitcoin;
 using NBitcoin.JsonConverters;
 using Newtonsoft.Json;
+using NTumbleBit;
 using NTumbleBit.ClassicTumbler;
 using NTumbleBit.JsonConverters;
+using NTumbleBit.PuzzlePromise;
+using NTumbleBit.PuzzleSolver;
+using PuzzlePromise = NTumbleBit.PuzzlePromise;
+using PuzzleSolver = NTumbleBit.PuzzleSolver;
 
 namespace Breeze.TumbleBit.Client
 {
@@ -33,5 +40,75 @@ namespace Breeze.TumbleBit.Client
             ClassicTumblerParameters result = await this.serverAddress.AppendPathSegment("/api/v1/tumblers/0/parameters").GetJsonAsync<ClassicTumblerParameters>();
             return result;
         }
+
+        /// <inheritdoc />
+        public async Task<UnsignedVoucherInformation> AskUnsignedVoucher()
+        {
+            UnsignedVoucherInformation result = await this.serverAddress.AppendPathSegment("api/v1/tumblers/0/vouchers/").GetJsonAsync<UnsignedVoucherInformation>();
+            return result;
+        }
+
+        /// <inheritdoc />
+        public async Task<PuzzleSolution> SignVoucherAsync(SignVoucherRequest request)
+        {
+            PuzzleSolution result = await this.serverAddress.AppendPathSegment("api/v1/tumblers/0/clientchannels/confirm").PostJsonAsync(request).ReceiveJson<PuzzleSolution>();
+            return result;
+        }
+
+        /// <inheritdoc />
+        public async Task<ScriptCoin> OpenChannelAsync(OpenChannelRequest request)
+        {
+            ScriptCoin result = await this.serverAddress.AppendPathSegment("api/v1/tumblers/0/channels/").PostJsonAsync(request).ReceiveJson<ScriptCoin>();
+            return result;
+        }
+
+        /// <inheritdoc />
+        public async Task<TumblerEscrowKeyResponse> RequestTumblerEscrowKeyAsync(int cycleStart)
+        {
+            TumblerEscrowKeyResponse result = await this.serverAddress.AppendPathSegment("api/v1/tumblers/0/clientchannels/").PostJsonAsync(cycleStart).ReceiveJson<TumblerEscrowKeyResponse>();
+            return result;
+        }
+
+        /// <inheritdoc />
+        public async Task<ServerCommitmentsProof> CheckRevelationAsync(int cycleId, string channelId, PuzzlePromise.ClientRevelation revelation)
+        {
+            ServerCommitmentsProof result = await this.serverAddress.AppendPathSegment($"api/v1/tumblers/0/channels/{cycleId}/{channelId}/checkrevelation").PostJsonAsync(revelation).ReceiveJson<ServerCommitmentsProof>();
+            return result;
+        }
+
+        /// <inheritdoc />
+        public async Task<SolutionKey[]> CheckRevelationAsync(int cycleId, string channelId, PuzzleSolver.ClientRevelation revelation)
+        {
+            SolutionKey[] result = await this.serverAddress.AppendPathSegment($"api/v1/tumblers/0/clientschannels/{cycleId}/{channelId}/checkrevelation").PostJsonAsync(revelation).ReceiveJson<SolutionKey[]>();
+            return result;
+        }
+
+        /// <inheritdoc />
+        public async Task<PuzzlePromise.ServerCommitment[]> SignHashesAsync(int cycleId, string channelId, SignaturesRequest sigReq)
+        {
+            PuzzlePromise.ServerCommitment[] result = await this.serverAddress.AppendPathSegment($"api/v1/tumblers/0/channels/{cycleId}/{channelId}/signhashes").PostJsonAsync(sigReq).ReceiveJson<PuzzlePromise.ServerCommitment[]>();
+            return result;
+        }
+
+        /// <inheritdoc />
+        public async Task<OfferInformation> CheckBlindFactorsAsync(int cycleId, string channelId, BlindFactor[] blindFactors)
+        {
+            OfferInformation result = await this.serverAddress.AppendPathSegment($"api/v1/tumblers/0/clientschannels/{cycleId}/{channelId}/checkblindfactors").PostJsonAsync(blindFactors).ReceiveJson<OfferInformation>();
+            return result;
+        }
+
+        /// <inheritdoc />
+        public async Task<PuzzleSolver.ServerCommitment[]> SolvePuzzlesAsync(int cycleId, string channelId, PuzzleValue[] puzzles)
+        {
+            PuzzleSolver.ServerCommitment[] result = await this.serverAddress.AppendPathSegment($"api/v1/tumblers/0/clientchannels/{cycleId}/{channelId}/solvepuzzles").PostJsonAsync(puzzles).ReceiveJson<PuzzleSolver.ServerCommitment[]>();
+            return result;
+        }
+
+        /// <inheritdoc />
+        public async Task<SolutionKey[]> FulfillOfferAsync(int cycleId, string channelId, TransactionSignature clientSignature)
+        {
+            SolutionKey[] result = await this.serverAddress.AppendPathSegment($"api/v1/tumblers/0/clientchannels/{cycleId}/{channelId}/offer").PostJsonAsync(clientSignature).ReceiveJson<SolutionKey[]>();
+            return result;
+        }
     }
 }
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