Merge pull request #47 from princessdaphie/feature/pinlistasync-type

Added new API entry point to be able to use the API call type parameter.

Author: Arlodotexe

src/CoreApi/PinApi.cs

@@ -1,4 +1,5 @@
-using Ipfs.CoreApi;
+using Google.Protobuf;
+using Ipfs.CoreApi;
 using Newtonsoft.Json.Linq;
 using System.Collections.Generic;
 using System.Linq;
@@ -33,6 +34,18 @@ internal PinApi(IpfsClient ipfs)
                 .Select(p => (Cid)p.Name);
         }
 
+        public async Task<IEnumerable<Cid>> ListAsync(PinType type, CancellationToken cancel = default(CancellationToken))
+        {
+            var typeOpt = type.ToString().ToLowerInvariant();
+            var json = await ipfs.DoCommandAsync("pin/ls", cancel,
+                null,
+                $"type={typeOpt}");
+            var keys = (JObject)(JObject.Parse(json)["Keys"]);
+            return keys
+                .Properties()
+                .Select(p => (Cid)p.Name);
+        }
+
         public async Task<IEnumerable<Cid>> RemoveAsync(Cid id, bool recursive = true, CancellationToken cancel = default(CancellationToken))
         {
             var opts = "recursive=" + recursive.ToString().ToLowerInvariant();