Test for partial dataset encoding

Author: benbierens

Tests/CodexReleaseTests/DataTests/DecodeTest.cs

@@ -43,5 +43,54 @@ public void DecodeDataset()
 
             file.AssertIsEqual(decoded);
         }
+
+        [Test]
+        [Ignore("Crashes node attempting encoding. Issue: https://github.com/codex-storage/nim-codex/issues/1185")]
+        public void PartiallyDeletedDatasets()
+        {
+            var clients = StartClients(s => s
+                .WithBlockMaintenanceNumber(1)
+                .WithBlockMaintenanceInterval(TimeSpan.FromSeconds(10.0))
+                .WithBlockTTL(TimeSpan.FromSeconds(30.0)));
+
+
+            var file = GenerateTestFile(2.MB());
+            var bCid = clients[0].UploadFile(file);
+
+            var space = clients[0].Space();
+            var update = space;
+            while (space.QuotaUsedBytes == update.QuotaUsedBytes)
+            {
+                Thread.Sleep(TimeSpan.FromSeconds(3.0));
+                update = clients[0].Space();
+            }
+
+            Assert.That(update.QuotaUsedBytes, Is.LessThan(space.QuotaUsedBytes));
+            // The dataset is partially deleted.
+
+            // What happens when we request storage for it?
+            var request = clients[0].Marketplace.RequestStorage(new CodexClient.StoragePurchaseRequest(bCid)
+            {
+                Expiry = TimeSpan.FromMinutes(5.0),
+                Duration = TimeSpan.FromMinutes(100.0),
+                CollateralPerByte = 100.Tst(),
+                MinRequiredNumberOfNodes = 6,
+                NodeFailureTolerance = 3,
+                PricePerBytePerSecond = 100.Tst(),
+                ProofProbability = 20
+            });
+            var eCid = request.ContentId;
+
+            Assert.That(bCid.Id, Is.Not.EqualTo(eCid.Id));
+
+            var basic = clients[0].DownloadManifestOnly(bCid);
+            var encoded = clients[0].DownloadManifestOnly(eCid);
+            Assert.That(basic.Manifest.Protected, Is.False);
+            Assert.That(encoded.Manifest.Protected, Is.True);
+
+            var decoded = clients[1].DownloadContent(eCid);
+
+            file.AssertIsEqual(decoded);
+        }
     }
 }

Tests/CodexReleaseTests/MarketTests/MarketplaceAutoBootstrapDistTest.cs

@@ -143,12 +143,19 @@ private Ether GetEthBalance(EthAddress address)
 
         public ICodexNodeGroup StartClients()
         {
-            return StartCodex(NumberOfClients, s => s
-                .WithName("client")
-                .EnableMarketplace(GetGeth(), GetContracts(), m => m
-                    .WithInitial(StartingBalanceEth.Eth(), StartingBalanceTST.Tst())
-                )
-            );
+            return StartClients(s => { });
+        }
+
+        public ICodexNodeGroup StartClients(Action<ICodexSetup> additional)
+        {
+            return StartCodex(NumberOfClients, s =>
+            {
+                s.WithName("client")
+                    .EnableMarketplace(GetGeth(), GetContracts(), m => m
+                    .WithInitial(StartingBalanceEth.Eth(), StartingBalanceTST.Tst()));
+
+                additional(s);
+            });
         }
 
         public ICodexNode StartValidator()

Tools/AutoClient/Modes/FolderStore/FileSaver.cs

@@ -187,7 +187,7 @@ private IStoragePurchaseContract CreateNewStorageRequest()
             try
             {
                 var request = instance.RequestStorage(new ContentId(entry.BasicCid));
-                entry.EncodedCid = request.Purchase.ContentId.Id;
+                entry.EncodedCid = request.ContentId.Id;
                 entry.PurchaseId = request.PurchaseId;
                 entry.PurchaseFinishedUtc = DateTime.UtcNow + request.Purchase.Duration;