feat(ObjectApi): add StatAsync

Author: richardschneider

src/CoreApi/ObjectApi.cs

@@ -19,37 +19,6 @@ class ObjectApi : IObjectApi
 
         IpfsClient ipfs;
 
-        /// <summary>
-        ///  TODO
-        /// </summary>
-        public class DagInfo
-        {
-            /// <summary>
-            ///  TODO
-            /// </summary>
-            public string Hash { get; set; }
-            /// <summary>
-            ///  TODO
-            /// </summary>
-            public int NumLinks { get; set; }
-            /// <summary>
-            ///  TODO
-            /// </summary>
-            public long BlockSize { get; set; }
-            /// <summary>
-            ///  TODO
-            /// </summary>
-            public long LinksSize { get; set; }
-            /// <summary>
-            ///  TODO
-            /// </summary>
-            public long DataSize { get; set; }
-            /// <summary>
-            ///  TODO
-            /// </summary>
-            public long CumulativeSize { get; set; }
-        }
-
         internal ObjectApi(IpfsClient ipfs)
         {
             this.ipfs = ipfs;
@@ -95,21 +64,6 @@ internal ObjectApi(IpfsClient ipfs)
             return GetDagFromJson(json).Links;
         }
 
-        /// <summary>
-        ///   Get the statistics of a MerkleDAG node.
-        /// </summary>
-        /// <param name="id">
-        ///   The <see cref="Cid"/> of the node.
-        /// </param>
-        /// <param name="cancel">
-        ///   Is used to stop the task.  When cancelled, the <see cref="TaskCanceledException"/> is raised.
-        /// </param>
-        /// <returns></returns>
-        public Task<DagInfo> StatAsync(Cid id, CancellationToken cancel = default(CancellationToken))
-        {
-            return ipfs.DoCommandAsync<DagInfo>("object/stat", cancel, id);
-        }
-
         // TOOD: patch sub API
 
         DagNode GetDagFromJson(string json)
@@ -126,5 +80,20 @@ DagNode GetDagFromJson(string json)
                     (long)link["Size"]));
             return new DagNode(data, links);
         }
+
+        public async Task<ObjectStat> StatAsync(Cid id, CancellationToken cancel = default(CancellationToken))
+        {
+            var json = await ipfs.DoCommandAsync("object/stat", cancel, id);
+            var r = JObject.Parse(json);
+
+            return new ObjectStat
+            {
+                LinkCount = (int)r["NumLinks"],
+                LinkSize = (long)r["LinksSize"],
+                BlockSize = (long)r["BlockSize"],
+                DataSize = (long)r["DataSize"],
+                CumulativeSize = (long)r["CumulativeSize"]
+            };
+        }
     }
 }

src/IpfsHttpClient.csproj

@@ -27,7 +27,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Ipfs.Core" Version="0.54.0" />
+    <PackageReference Include="Ipfs.Core" Version="0.55.0" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
 	  <PackageReference Include="System.Net.Http" Version="4.3.3" Condition="'$(TargetFramework)' == 'netstandard14'" />
     <PackageReference Include="System.Net.Http" Version="4.3.3" Condition="'$(TargetFramework)' == 'net45'" />

test/CoreApi/ObjectApiTest.cs

@@ -91,7 +91,6 @@ public async Task Links()
             Assert.AreEqual(beta.Links.First().Size, links.First().Size);
         }
 
-#if falses
         [TestMethod]
         public async Task Stat()
         {
@@ -101,14 +100,12 @@ public async Task Stat()
             var node1 = await ipfs.Object.PutAsync(data1,
                 new[] { node2.ToLink("some-link") });
             var info = await ipfs.Object.StatAsync(node1.Id);
-            Assert.AreEqual("QmPR7W4kaADkAo4GKEVVPQN81EDUFCHJtqejQZ5dEG7pBC", info.Hash);
-            Assert.AreEqual(1, info.NumLinks);
+            Assert.AreEqual(1, info.LinkCount);
             Assert.AreEqual(64, info.BlockSize);
-            Assert.AreEqual(53, info.LinksSize);
+            Assert.AreEqual(53, info.LinkSize);
             Assert.AreEqual(11, info.DataSize);
             Assert.AreEqual(77, info.CumulativeSize);
         }
-#endif
 
         [TestMethod]
         public async Task Get_Nonexistent()