// NewState constructs a new State. This Initializes encapsulated state implementation func NewState() *State { stateImplName := viper.GetString("ledger.state.dataStructure") if len(stateImplName) == 0 { stateImplName = detaultStateImpl } switch stateImplName { case "buckettree": stateImpl = buckettree.NewStateImpl() case "trie": stateImpl = trie.NewStateTrie() default: panic(fmt.Errorf("Error during initialization of state implementation. State data structure '%s' is not valid.", stateImplName)) } err := stateImpl.Initialize() if err != nil { panic(fmt.Errorf("Error during initialization of state implementation: %s", err)) } deltaHistorySize := viper.GetInt("ledger.state.deltaHistorySize") if deltaHistorySize < 0 { panic(fmt.Errorf("Delta history size must be greater than or equal to 0. Current value is %d.", deltaHistorySize)) } return &State{stateImpl, statemgmt.NewStateDelta(), statemgmt.NewStateDelta(), "", make(map[string][]byte), false, uint64(deltaHistorySize)} }
func TestStateSnapshotIterator(t *testing.T) { testDBWrapper.CreateFreshDB(t) stateTrieTestWrapper := newStateTrieTestWrapper(t) stateTrie := stateTrieTestWrapper.stateTrie stateDelta := statemgmt.NewStateDelta() // insert keys stateDelta.Set("chaincodeID1", "key1", []byte("value1"), nil) stateDelta.Set("chaincodeID2", "key2", []byte("value2"), nil) stateDelta.Set("chaincodeID3", "key3", []byte("value3"), nil) stateDelta.Set("chaincodeID4", "key4", []byte("value4"), nil) stateDelta.Set("chaincodeID5", "key5", []byte("value5"), nil) stateDelta.Set("chaincodeID6", "key6", []byte("value6"), nil) stateTrie.PrepareWorkingSet(stateDelta) stateTrieTestWrapper.PersistChangesAndResetInMemoryChanges() //check that the key is persisted testutil.AssertEquals(t, stateTrieTestWrapper.Get("chaincodeID1", "key1"), []byte("value1")) testutil.AssertEquals(t, stateTrieTestWrapper.Get("chaincodeID2", "key2"), []byte("value2")) testutil.AssertEquals(t, stateTrieTestWrapper.Get("chaincodeID3", "key3"), []byte("value3")) testutil.AssertEquals(t, stateTrieTestWrapper.Get("chaincodeID4", "key4"), []byte("value4")) testutil.AssertEquals(t, stateTrieTestWrapper.Get("chaincodeID5", "key5"), []byte("value5")) testutil.AssertEquals(t, stateTrieTestWrapper.Get("chaincodeID6", "key6"), []byte("value6")) // take db snapeshot dbSnapshot := db.GetDBHandle().GetSnapshot() stateDelta1 := statemgmt.NewStateDelta() // delete a few keys stateDelta1.Delete("chaincodeID1", "key1", nil) stateDelta1.Delete("chaincodeID3", "key3", nil) stateDelta1.Delete("chaincodeID4", "key4", nil) stateDelta1.Delete("chaincodeID6", "key6", nil) // update remaining keys stateDelta1.Set("chaincodeID2", "key2", []byte("value2_new"), nil) stateDelta1.Set("chaincodeID5", "key5", []byte("value5_new"), nil) stateTrie.PrepareWorkingSet(stateDelta1) stateTrieTestWrapper.PersistChangesAndResetInMemoryChanges() //check that the keys are updated testutil.AssertNil(t, stateTrieTestWrapper.Get("chaincodeID1", "key1")) testutil.AssertNil(t, stateTrieTestWrapper.Get("chaincodeID3", "key3")) testutil.AssertNil(t, stateTrieTestWrapper.Get("chaincodeID4", "key4")) testutil.AssertNil(t, stateTrieTestWrapper.Get("chaincodeID6", "key6")) testutil.AssertEquals(t, stateTrieTestWrapper.Get("chaincodeID2", "key2"), []byte("value2_new")) testutil.AssertEquals(t, stateTrieTestWrapper.Get("chaincodeID5", "key5"), []byte("value5_new")) itr, err := newStateSnapshotIterator(dbSnapshot) testutil.AssertNoError(t, err, "Error while getting state snapeshot iterator") stateDeltaFromSnapshot := statemgmt.NewStateDelta() for itr.Next() { keyBytes, valueBytes := itr.GetRawKeyValue() t.Logf("key=[%s], value=[%s]", string(keyBytes), string(valueBytes)) chaincodeID, key := statemgmt.DecodeCompositeKey(keyBytes) stateDeltaFromSnapshot.Set(chaincodeID, key, valueBytes, nil) } testutil.AssertEquals(t, stateDelta, stateDeltaFromSnapshot) }
func TestStateTrie_ComputeHash_AllInMemory_NoContents(t *testing.T) { testDBWrapper.CreateFreshDB(t) stateTrie := NewStateTrie() stateTrieTestWrapper := &stateTrieTestWrapper{stateTrie, t} hash := stateTrieTestWrapper.PrepareWorkingSetAndComputeCryptoHash(statemgmt.NewStateDelta()) testutil.AssertEquals(t, hash, nil) }
func createFreshDBAndInitTestStateImplWithCustomHasher(t *testing.T, numBuckets int, maxGroupingAtEachLevel int) (*testHasher, *stateImplTestWrapper, *statemgmt.StateDelta) { testDBWrapper.CreateFreshDB(t) testHasher := newTestHasher() stateImplTestWrapper := newStateImplTestWrapper(t) stateDelta := statemgmt.NewStateDelta() conf = initConfig(numBuckets, maxGroupingAtEachLevel, testHasher.getHashFunction()) return testHasher, stateImplTestWrapper, stateDelta }
// FetchStateDeltaFromDB fetches the StateDelta corrsponding to given blockNumber func (state *State) FetchStateDeltaFromDB(blockNumber uint64) (*statemgmt.StateDelta, error) { stateDeltaBytes, err := db.GetDBHandle().GetFromStateDeltaCF(encodeStateDeltaKey(blockNumber)) if err != nil { return nil, err } if stateDeltaBytes == nil { return nil, nil } stateDelta := statemgmt.NewStateDelta() stateDelta.Unmarshal(stateDeltaBytes) return stateDelta, nil }
func TestStateTrie_GetSet_WithDB(t *testing.T) { testDBWrapper.CreateFreshDB(t) stateTrie := NewStateTrie() stateTrieTestWrapper := &stateTrieTestWrapper{stateTrie, t} stateDelta := statemgmt.NewStateDelta() stateDelta.Set("chaincodeID1", "key1", []byte("value1"), nil) stateDelta.Set("chaincodeID1", "key2", []byte("value2"), nil) stateDelta.Set("chaincodeID2", "key3", []byte("value3"), nil) stateDelta.Set("chaincodeID2", "key4", []byte("value4"), nil) stateTrieTestWrapper.PrepareWorkingSetAndComputeCryptoHash(stateDelta) stateTrieTestWrapper.PersistChangesAndResetInMemoryChanges() testutil.AssertEquals(t, stateTrieTestWrapper.Get("chaincodeID1", "key1"), []byte("value1")) }
// sendBlocks sends the blocks based upon the supplied SyncBlockRange over the stream. func (d *Handler) sendStateSnapshot(syncStateSnapshotRequest *pb.SyncStateSnapshotRequest) { peerLogger.Debug("Sending state snapshot with correlationId = %d", syncStateSnapshotRequest.CorrelationId) snapshot, err := d.Coordinator.GetStateSnapshot() if err != nil { peerLogger.Error(fmt.Sprintf("Error getting snapshot: %s", err)) return } defer snapshot.Release() // Iterate over the state deltas and send to requestor delta := statemgmt.NewStateDelta() currBlockNumber := snapshot.GetBlockNumber() var sequence uint64 // Loop through and send the Deltas for i := 0; snapshot.Next(); i++ { k, v := snapshot.GetRawKeyValue() cID, kID := statemgmt.DecodeCompositeKey(k) delta.Set(cID, kID, v, nil) deltaAsBytes := delta.Marshal() // Encode a SyncStateSnapsot into the payload sequence = uint64(i) syncStateSnapshot := &pb.SyncStateSnapshot{Delta: deltaAsBytes, Sequence: sequence, BlockNumber: currBlockNumber, Request: syncStateSnapshotRequest} syncStateSnapshotBytes, err := proto.Marshal(syncStateSnapshot) if err != nil { peerLogger.Error(fmt.Sprintf("Error marshalling syncStateSnapsot for BlockNum = %d: %s", currBlockNumber, err)) break } if err := d.SendMessage(&pb.OpenchainMessage{Type: pb.OpenchainMessage_SYNC_STATE_SNAPSHOT, Payload: syncStateSnapshotBytes}); err != nil { peerLogger.Error(fmt.Sprintf("Error sending syncStateSnapsot for BlockNum = %d: %s", currBlockNumber, err)) break } } // Now send the terminating message syncStateSnapshot := &pb.SyncStateSnapshot{Delta: []byte{}, Sequence: sequence + 1, BlockNumber: currBlockNumber, Request: syncStateSnapshotRequest} syncStateSnapshotBytes, err := proto.Marshal(syncStateSnapshot) if err != nil { peerLogger.Error(fmt.Sprintf("Error marshalling terminating syncStateSnapsot message for correlationId = %d, BlockNum = %d: %s", syncStateSnapshotRequest.CorrelationId, currBlockNumber, err)) return } if err := d.SendMessage(&pb.OpenchainMessage{Type: pb.OpenchainMessage_SYNC_STATE_SNAPSHOT, Payload: syncStateSnapshotBytes}); err != nil { peerLogger.Error(fmt.Sprintf("Error sending terminating syncStateSnapsot for correlationId = %d, BlockNum = %d: %s", syncStateSnapshotRequest.CorrelationId, currBlockNumber, err)) return } }
func TestStateImpl_ComputeHash_DB_3(t *testing.T) { // simple test... not using custom hasher conf = initConfig(DefaultNumBuckets, DefaultMaxGroupingAtEachLevel, fnvHash) testDBWrapper.CreateFreshDB(t) stateImplTestWrapper := newStateImplTestWrapper(t) stateImpl := stateImplTestWrapper.stateImpl stateDelta := statemgmt.NewStateDelta() stateDelta.Set("chaincode1", "key1", []byte("value1"), nil) stateDelta.Set("chaincode2", "key2", []byte("value2"), nil) stateDelta.Set("chaincode3", "key3", []byte("value3"), nil) stateImpl.PrepareWorkingSet(stateDelta) hash1 := stateImplTestWrapper.computeCryptoHash() stateImplTestWrapper.persistChangesAndResetInMemoryChanges() stateDelta = statemgmt.NewStateDelta() stateDelta.Delete("chaincode1", "key1", nil) stateDelta.Delete("chaincode2", "key2", nil) stateDelta.Delete("chaincode3", "key3", nil) stateImpl.PrepareWorkingSet(stateDelta) hash2 := stateImplTestWrapper.computeCryptoHash() stateImplTestWrapper.persistChangesAndResetInMemoryChanges() testutil.AssertNotEquals(t, hash1, hash2) testutil.AssertNil(t, hash2) }
func createFreshDBAndInitTestStateImplWithCustomHasher(t *testing.T, numBuckets int, maxGroupingAtEachLevel int) (*testHasher, *stateImplTestWrapper, *statemgmt.StateDelta) { testHasher := newTestHasher() configMap := map[string]interface{}{ ConfigNumBuckets: numBuckets, ConfigMaxGroupingAtEachLevel: maxGroupingAtEachLevel, ConfigHashFunction: testHasher.getHashFunction(), } testDBWrapper.CreateFreshDB(t) stateImpl := NewStateImpl() stateImpl.Initialize(configMap) stateImplTestWrapper := &stateImplTestWrapper{configMap, stateImpl, t} stateDelta := statemgmt.NewStateDelta() return testHasher, stateImplTestWrapper, stateDelta }
func TestDataNodesDelta(t *testing.T) { conf = initConfig(26, 3, fnvHash) stateDelta := statemgmt.NewStateDelta() stateDelta.Set("chaincodeID1", "key1", []byte("value1_1"), nil) stateDelta.Set("chaincodeID1", "key2", []byte("value1_2"), nil) stateDelta.Set("chaincodeID2", "key1", []byte("value2_1"), nil) stateDelta.Set("chaincodeID2", "key2", []byte("value2_2"), nil) dataNodesDelta := newDataNodesDelta(stateDelta) affectedBuckets := dataNodesDelta.getAffectedBuckets() testutil.AssertContains(t, affectedBuckets, newDataKey("chaincodeID1", "key1").getBucketKey()) testutil.AssertContains(t, affectedBuckets, newDataKey("chaincodeID1", "key2").getBucketKey()) testutil.AssertContains(t, affectedBuckets, newDataKey("chaincodeID2", "key1").getBucketKey()) testutil.AssertContains(t, affectedBuckets, newDataKey("chaincodeID2", "key2").getBucketKey()) }
// TxFinish marks the completion of on-going tx. If txUUID is not same as of the on-going tx, this call panics func (state *State) TxFinish(txUUID string, txSuccessful bool) { logger.Debug("txFinish() for txUuid [%s], txSuccessful=[%t]", txUUID, txSuccessful) if state.currentTxUUID != txUUID { panic(fmt.Errorf("Different Uuid in tx-begin [%s] and tx-finish [%s]", state.currentTxUUID, txUUID)) } if txSuccessful { if !state.currentTxStateDelta.IsEmpty() { logger.Debug("txFinish() for txUuid [%s] merging state changes", txUUID) state.stateDelta.ApplyChanges(state.currentTxStateDelta) state.txStateDeltaHash[txUUID] = state.currentTxStateDelta.ComputeCryptoHash() state.updateStateImpl = true } else { state.txStateDeltaHash[txUUID] = nil } } state.currentTxStateDelta = statemgmt.NewStateDelta() state.currentTxUUID = "" }
func TestStateSnapshotIterator(t *testing.T) { testDBWrapper.CreateFreshDB(t) stateImplTestWrapper := newStateImplTestWrapper(t) stateDelta := statemgmt.NewStateDelta() // insert keys stateDelta.Set("chaincodeID1", "key1", []byte("value1"), nil) stateDelta.Set("chaincodeID2", "key2", []byte("value2"), nil) stateDelta.Set("chaincodeID3", "key3", []byte("value3"), nil) stateDelta.Set("chaincodeID4", "key4", []byte("value4"), nil) stateDelta.Set("chaincodeID5", "key5", []byte("value5"), nil) stateDelta.Set("chaincodeID6", "key6", []byte("value6"), nil) stateImplTestWrapper.prepareWorkingSet(stateDelta) stateImplTestWrapper.persistChangesAndResetInMemoryChanges() //check that the key is persisted testutil.AssertEquals(t, stateImplTestWrapper.get("chaincodeID5", "key5"), []byte("value5")) // take db snapeshot dbSnapshot := db.GetDBHandle().GetSnapshot() // delete keys stateDelta.Delete("chaincodeID1", "key1", nil) stateDelta.Delete("chaincodeID2", "key2", nil) stateDelta.Delete("chaincodeID3", "key3", nil) stateDelta.Delete("chaincodeID4", "key4", nil) stateDelta.Delete("chaincodeID5", "key5", nil) stateDelta.Delete("chaincodeID6", "key6", nil) stateImplTestWrapper.prepareWorkingSet(stateDelta) stateImplTestWrapper.persistChangesAndResetInMemoryChanges() //check that the key is deleted testutil.AssertNil(t, stateImplTestWrapper.get("chaincodeID5", "key5")) itr, err := newStateSnapshotIterator(dbSnapshot) testutil.AssertNoError(t, err, "Error while getting state snapeshot iterator") numKeys := 0 for itr.Next() { key, value := itr.GetRawKeyValue() t.Logf("key=[%s], value=[%s]", string(key), string(value)) numKeys++ } testutil.AssertEquals(t, numKeys, 6) }
func TestStateTrie_ComputeHash_AllInMemory(t *testing.T) { testDBWrapper.CreateFreshDB(t) stateTrie := NewStateTrie() stateTrieTestWrapper := &stateTrieTestWrapper{stateTrie, t} stateDelta := statemgmt.NewStateDelta() // Test1 - Add a few keys stateDelta.Set("chaincodeID1", "key1", []byte("value1"), nil) stateDelta.Set("chaincodeID1", "key2", []byte("value2"), nil) stateDelta.Set("chaincodeID2", "key3", []byte("value3"), nil) stateDelta.Set("chaincodeID2", "key4", []byte("value4"), nil) rootHash1 := stateTrieTestWrapper.PrepareWorkingSetAndComputeCryptoHash(stateDelta) hash1 := computeTestHash(newTrieKey("chaincodeID1", "key1").getEncodedBytes(), []byte("value1")) hash2 := computeTestHash(newTrieKey("chaincodeID1", "key2").getEncodedBytes(), []byte("value2")) hash3 := computeTestHash(newTrieKey("chaincodeID2", "key3").getEncodedBytes(), []byte("value3")) hash4 := computeTestHash(newTrieKey("chaincodeID2", "key4").getEncodedBytes(), []byte("value4")) hash1_hash2 := computeTestHash(hash1, hash2) hash3_hash4 := computeTestHash(hash3, hash4) expectedRootHash1 := computeTestHash(hash1_hash2, hash3_hash4) testutil.AssertEquals(t, rootHash1, expectedRootHash1) stateTrie.ClearWorkingSet(true) // Test2 - Add one more key fmt.Println("\n-- Add one more key exiting key --- ") stateDelta.Set("chaincodeID3", "key5", []byte("value5"), nil) rootHash2 := stateTrieTestWrapper.PrepareWorkingSetAndComputeCryptoHash(stateDelta) hash5 := computeTestHash(newTrieKey("chaincodeID3", "key5").getEncodedBytes(), []byte("value5")) expectedRootHash2 := computeTestHash(hash1_hash2, hash3_hash4, hash5) testutil.AssertEquals(t, rootHash2, expectedRootHash2) stateTrie.ClearWorkingSet(true) // Test3 - Remove one of the existing keys fmt.Println("\n-- Remove an exiting key --- ") stateDelta.Delete("chaincodeID2", "key4", nil) rootHash3 := stateTrieTestWrapper.PrepareWorkingSetAndComputeCryptoHash(stateDelta) expectedRootHash3 := computeTestHash(hash1_hash2, hash3, hash5) testutil.AssertEquals(t, rootHash3, expectedRootHash3) stateTrie.ClearWorkingSet(true) }
func TestStateTrie_ComputeHash_WithDB_Staggered_Keys(t *testing.T) { testDBWrapper.CreateFreshDB(t) stateTrie := NewStateTrie() stateTrieTestWrapper := &stateTrieTestWrapper{stateTrie, t} ///////////////////////////////////////////////////////// // Test1 - Add a few staggered keys ///////////////////////////////////////////////////////// stateDelta := statemgmt.NewStateDelta() stateDelta.Set("ID", "key1", []byte("value_key1"), nil) stateDelta.Set("ID", "key", []byte("value_key"), nil) stateDelta.Set("ID", "k", []byte("value_k"), nil) expectedHash_key1 := computeTestHash(newTrieKey("ID", "key1").getEncodedBytes(), []byte("value_key1")) expectedHash_key := computeTestHash(newTrieKey("ID", "key").getEncodedBytes(), []byte("value_key"), expectedHash_key1) expectedHash_k := computeTestHash(newTrieKey("ID", "k").getEncodedBytes(), []byte("value_k"), expectedHash_key) rootHash1 := stateTrieTestWrapper.PrepareWorkingSetAndComputeCryptoHash(stateDelta) testutil.AssertEquals(t, rootHash1, expectedHash_k) stateTrieTestWrapper.PersistChangesAndResetInMemoryChanges() ///////////////////////////////////////////////////////// // Test2 - Add a new key in path of existing staggered keys ///////////////////////////////////////////////////////// fmt.Println("- Add a new key in path of existing staggered keys -") stateDelta = statemgmt.NewStateDelta() stateDelta.Set("ID", "ke", []byte("value_ke"), nil) expectedHash_ke := computeTestHash(newTrieKey("ID", "ke").getEncodedBytes(), []byte("value_ke"), expectedHash_key) expectedHash_k = computeTestHash(newTrieKey("ID", "k").getEncodedBytes(), []byte("value_k"), expectedHash_ke) rootHash2 := stateTrieTestWrapper.PrepareWorkingSetAndComputeCryptoHash(stateDelta) testutil.AssertEquals(t, rootHash2, expectedHash_k) stateTrieTestWrapper.PersistChangesAndResetInMemoryChanges() ///////////////////////////////////////////////////////// // Test3 - Change value of one of the existing keys ///////////////////////////////////////////////////////// stateDelta = statemgmt.NewStateDelta() stateDelta.Set("ID", "ke", []byte("value_ke_new"), nil) expectedHash_ke = computeTestHash(newTrieKey("ID", "ke").getEncodedBytes(), []byte("value_ke_new"), expectedHash_key) expectedHash_k = computeTestHash(newTrieKey("ID", "k").getEncodedBytes(), []byte("value_k"), expectedHash_ke) rootHash3 := stateTrieTestWrapper.PrepareWorkingSetAndComputeCryptoHash(stateDelta) testutil.AssertEquals(t, rootHash3, expectedHash_k) stateTrieTestWrapper.PersistChangesAndResetInMemoryChanges() ///////////////////////////////////////////////////////// // Test4 - delete one of the existing keys ///////////////////////////////////////////////////////// stateDelta = statemgmt.NewStateDelta() stateDelta.Delete("ID", "ke", nil) expectedHash_k = computeTestHash(newTrieKey("ID", "k").getEncodedBytes(), []byte("value_k"), expectedHash_key) rootHash4 := stateTrieTestWrapper.PrepareWorkingSetAndComputeCryptoHash(stateDelta) testutil.AssertEquals(t, rootHash4, expectedHash_k) stateTrieTestWrapper.PersistChangesAndResetInMemoryChanges() // Delete should not remove the key from db because, this key has children testutil.AssertNotNil(t, testDBWrapper.GetFromStateCF(t, newTrieKey("ID", "ke").getEncodedBytes())) testutil.AssertEquals(t, rootHash1, rootHash4) ////////////////////////////////////////////////////////////// // Test4 - Add one more key as a sibling of an intermediate node ////////////////////////////////////////////////////////////// stateDelta = statemgmt.NewStateDelta() stateDelta.Set("ID", "kez", []byte("value_kez"), nil) expectedHash_kez := computeTestHash(newTrieKey("ID", "kez").getEncodedBytes(), []byte("value_kez")) expectedHash_ke = computeTestHash(expectedHash_key, expectedHash_kez) expectedHash_k = computeTestHash(newTrieKey("ID", "k").getEncodedBytes(), []byte("value_k"), expectedHash_ke) rootHash5 := stateTrieTestWrapper.PrepareWorkingSetAndComputeCryptoHash(stateDelta) testutil.AssertEquals(t, rootHash5, expectedHash_k) }
func TestLedgerSetRawState(t *testing.T) { ledgerTestWrapper := createFreshDBAndTestLedgerWrapper(t) ledger := ledgerTestWrapper.ledger ledger.BeginTxBatch(1) ledger.TxBegin("txUuid1") ledger.SetState("chaincode1", "key1", []byte("value1")) ledger.SetState("chaincode2", "key2", []byte("value2")) ledger.SetState("chaincode3", "key3", []byte("value3")) ledger.TxFinished("txUuid1", true) transaction, _ := buildTestTx(t) ledger.CommitTxBatch(1, []*protos.Transaction{transaction}, nil, []byte("proof")) // Ensure values are in the DB val := ledgerTestWrapper.GetState("chaincode1", "key1", true) if bytes.Compare(val, []byte("value1")) != 0 { t.Fatalf("Expected initial chaincode1 key1 to be %s, but got %s", []byte("value1"), val) } val = ledgerTestWrapper.GetState("chaincode2", "key2", true) if bytes.Compare(val, []byte("value2")) != 0 { t.Fatalf("Expected initial chaincode1 key2 to be %s, but got %s", []byte("value2"), val) } val = ledgerTestWrapper.GetState("chaincode3", "key3", true) if bytes.Compare(val, []byte("value3")) != 0 { t.Fatalf("Expected initial chaincode1 key3 to be %s, but got %s", []byte("value3"), val) } hash1, hash1Err := ledger.GetTempStateHash() if hash1Err != nil { t.Fatalf("Error getting hash1 %s", hash1Err) } snapshot, snapshotError := ledger.GetStateSnapshot() if snapshotError != nil { t.Fatalf("Error fetching snapshot %s", snapshotError) } defer snapshot.Release() // Delete keys ledger.BeginTxBatch(2) ledger.TxBegin("txUuid2") ledger.DeleteState("chaincode1", "key1") ledger.DeleteState("chaincode2", "key2") ledger.DeleteState("chaincode3", "key3") ledger.TxFinished("txUuid2", true) transaction, _ = buildTestTx(t) ledger.CommitTxBatch(2, []*protos.Transaction{transaction}, nil, []byte("proof")) // ensure keys are deleted val = ledgerTestWrapper.GetState("chaincode1", "key1", true) if val != nil { t.Fatalf("Expected chaincode1 key1 to be nil, but got %s", val) } val = ledgerTestWrapper.GetState("chaincode2", "key2", true) if val != nil { t.Fatalf("Expected chaincode2 key2 to be nil, but got %s", val) } val = ledgerTestWrapper.GetState("chaincode3", "key3", true) if val != nil { t.Fatalf("Expected chaincode3 key3 to be nil, but got %s", val) } hash2, hash2Err := ledger.GetTempStateHash() if hash2Err != nil { t.Fatalf("Error getting hash2 %s", hash2Err) } if bytes.Compare(hash1, hash2) == 0 { t.Fatalf("Expected hashes to not match, but they both equal %s", hash1) } // put key/values from the snapshot back in the DB //var keys, values [][]byte delta := statemgmt.NewStateDelta() for i := 0; snapshot.Next(); i++ { k, v := snapshot.GetRawKeyValue() cID, keyID := statemgmt.DecodeCompositeKey(k) delta.Set(cID, keyID, v, nil) } ledgerTestWrapper.ApplyStateDelta(1, delta) ledgerTestWrapper.CommitStateDelta(1) // Ensure values are back in the DB val = ledgerTestWrapper.GetState("chaincode1", "key1", true) if bytes.Compare(val, []byte("value1")) != 0 { t.Fatalf("Expected chaincode1 key1 to be %s, but got %s", []byte("value1"), val) } val = ledgerTestWrapper.GetState("chaincode2", "key2", true) if bytes.Compare(val, []byte("value2")) != 0 { t.Fatalf("Expected chaincode1 key2 to be %s, but got %s", []byte("value2"), val) } val = ledgerTestWrapper.GetState("chaincode3", "key3", true) if bytes.Compare(val, []byte("value3")) != 0 { t.Fatalf("Expected chaincode1 key3 to be %s, but got %s", []byte("value3"), val) } hash3, hash3Err := ledger.GetTempStateHash() if hash3Err != nil { t.Fatalf("Error getting hash3 %s", hash3Err) } if bytes.Compare(hash1, hash3) != 0 { t.Fatalf("Expected hashes to be equal, but they are %s and %s", hash1, hash3) } }
func TestStateImpl_ComputeHash_DB_2(t *testing.T) { // number of buckets at each level 26,13,7,4,2,1 testHasher, stateImplTestWrapper, stateDelta := createFreshDBAndInitTestStateImplWithCustomHasher(t, 26, 2) testHasher.populate("chaincodeID1", "key1", 0) testHasher.populate("chaincodeID2", "key2", 1) testHasher.populate("chaincodeID3", "key3", 5) testHasher.populate("chaincodeID4", "key4", 9) testHasher.populate("chaincodeID5", "key5", 24) testHasher.populate("chaincodeID6", "key6", 25) stateDelta.Set("chaincodeID1", "key1", []byte("value1"), nil) stateDelta.Set("chaincodeID2", "key2", []byte("value2"), nil) stateDelta.Set("chaincodeID3", "key3", []byte("value3"), nil) stateDelta.Set("chaincodeID4", "key4", []byte("value4"), nil) stateDelta.Set("chaincodeID5", "key5", []byte("value5"), nil) stateDelta.Set("chaincodeID6", "key6", []byte("value6"), nil) stateImplTestWrapper.prepareWorkingSet(stateDelta) // Populate DB stateImplTestWrapper.persistChangesAndResetInMemoryChanges() //////////// Test - constrcuting a new state tree simulates starting state tree when db already has some data //////// stateImplTestWrapper.constructNewStateImpl() rootHash := stateImplTestWrapper.computeCryptoHash() /*************************** bucket-tree-structure *************** 1 1 1 1 1 1 2 1 1 1 1 1 6 3 2 1 1 1 10 5 3 2 1 1 25 13 7 4 2 1 26 13 7 4 2 1 *******************************************************************/ expectedHashBucket5_1 := testutil.ComputeCryptoHash(statemgmt.ConstructCompositeKey("chaincodeID1", "key1"), []byte("value1")) expectedHashBucket5_2 := testutil.ComputeCryptoHash(statemgmt.ConstructCompositeKey("chaincodeID2", "key2"), []byte("value2")) expectedHashBucket5_6 := testutil.ComputeCryptoHash(statemgmt.ConstructCompositeKey("chaincodeID3", "key3"), []byte("value3")) expectedHashBucket5_10 := testutil.ComputeCryptoHash(statemgmt.ConstructCompositeKey("chaincodeID4", "key4"), []byte("value4")) expectedHashBucket5_25 := testutil.ComputeCryptoHash(statemgmt.ConstructCompositeKey("chaincodeID5", "key5"), []byte("value5")) expectedHashBucket5_26 := testutil.ComputeCryptoHash(statemgmt.ConstructCompositeKey("chaincodeID6", "key6"), []byte("value6")) expectedHashBucket4_1 := testutil.ComputeCryptoHash(expectedHashBucket5_1, expectedHashBucket5_2) expectedHashBucket4_13 := testutil.ComputeCryptoHash(expectedHashBucket5_25, expectedHashBucket5_26) expectedHashBucket2_1 := testutil.ComputeCryptoHash(expectedHashBucket4_1, expectedHashBucket5_6) expectedHashBucket1_1 := testutil.ComputeCryptoHash(expectedHashBucket2_1, expectedHashBucket5_10) expectedHash := testutil.ComputeCryptoHash(expectedHashBucket1_1, expectedHashBucket4_13) testutil.AssertEquals(t, rootHash, expectedHash) ////////////// Test - Add a few more keys (include keys in the existing buckes and new buckets) ///////////////////// stateDelta = statemgmt.NewStateDelta() testHasher.populate("chaincodeID7", "key7", 1) testHasher.populate("chaincodeID8", "key8", 7) testHasher.populate("chaincodeID9", "key9", 9) testHasher.populate("chaincodeID10", "key10", 20) stateDelta.Set("chaincodeID7", "key7", []byte("value7"), nil) stateDelta.Set("chaincodeID8", "key8", []byte("value8"), nil) stateDelta.Set("chaincodeID9", "key9", []byte("value9"), nil) stateDelta.Set("chaincodeID10", "key10", []byte("value10"), nil) /*************************** bucket-tree-structure after adding keys *************** 1 1 1 1 1 1 2 1 1 1 1 1 6 3 2 1 1 1 8 4 2 1 1 1 10 5 3 2 1 1 21 11 6 3 2 1 25 13 7 4 2 1 26 13 7 4 2 1 ***********************************************************************************/ rootHash = stateImplTestWrapper.prepareWorkingSetAndComputeCryptoHash(stateDelta) expectedHashBucket5_2 = testutil.ComputeCryptoHash(statemgmt.ConstructCompositeKey("chaincodeID2", "key2"), []byte("value2"), statemgmt.ConstructCompositeKey("chaincodeID7", "key7"), []byte("value7")) expectedHashBucket5_8 := testutil.ComputeCryptoHash(statemgmt.ConstructCompositeKey("chaincodeID8", "key8"), []byte("value8")) expectedHashBucket5_10 = testutil.ComputeCryptoHash(statemgmt.ConstructCompositeKey("chaincodeID4", "key4"), []byte("value4"), statemgmt.ConstructCompositeKey("chaincodeID9", "key9"), []byte("value9")) expectedHashBucket5_21 := testutil.ComputeCryptoHash(statemgmt.ConstructCompositeKey("chaincodeID10", "key10"), []byte("value10")) expectedHashBucket4_1 = testutil.ComputeCryptoHash(expectedHashBucket5_1, expectedHashBucket5_2) expectedHashBucket3_2 := testutil.ComputeCryptoHash(expectedHashBucket5_6, expectedHashBucket5_8) expectedHashBucket2_1 = testutil.ComputeCryptoHash(expectedHashBucket4_1, expectedHashBucket3_2) expectedHashBucket1_1 = testutil.ComputeCryptoHash(expectedHashBucket2_1, expectedHashBucket5_10) expectedHashBucket1_2 := testutil.ComputeCryptoHash(expectedHashBucket5_21, expectedHashBucket4_13) expectedHash = testutil.ComputeCryptoHash(expectedHashBucket1_1, expectedHashBucket1_2) testutil.AssertEquals(t, rootHash, expectedHash) stateImplTestWrapper.persistChangesAndResetInMemoryChanges() ////////////// Test - overwrite an existing key ///////////////////// stateDelta = statemgmt.NewStateDelta() stateDelta.Set("chaincodeID7", "key7", []byte("value7_new"), nil) rootHash = stateImplTestWrapper.prepareWorkingSetAndComputeCryptoHash(stateDelta) expectedHashBucket5_2 = testutil.ComputeCryptoHash(statemgmt.ConstructCompositeKey("chaincodeID2", "key2"), []byte("value2"), statemgmt.ConstructCompositeKey("chaincodeID7", "key7"), []byte("value7_new")) expectedHashBucket4_1 = testutil.ComputeCryptoHash(expectedHashBucket5_1, expectedHashBucket5_2) expectedHashBucket2_1 = testutil.ComputeCryptoHash(expectedHashBucket4_1, expectedHashBucket3_2) expectedHashBucket1_1 = testutil.ComputeCryptoHash(expectedHashBucket2_1, expectedHashBucket5_10) expectedHash = testutil.ComputeCryptoHash(expectedHashBucket1_1, expectedHashBucket1_2) testutil.AssertEquals(t, rootHash, expectedHash) stateImplTestWrapper.persistChangesAndResetInMemoryChanges() testutil.AssertEquals(t, stateImplTestWrapper.get("chaincodeID7", "key7"), []byte("value7_new")) ////////////// Test - delete an existing key ///////////////////// stateDelta = statemgmt.NewStateDelta() stateDelta.Delete("chaincodeID2", "key2", nil) rootHash = stateImplTestWrapper.prepareWorkingSetAndComputeCryptoHash(stateDelta) expectedHashBucket5_2 = testutil.ComputeCryptoHash(statemgmt.ConstructCompositeKey("chaincodeID7", "key7"), []byte("value7_new")) expectedHashBucket4_1 = testutil.ComputeCryptoHash(expectedHashBucket5_1, expectedHashBucket5_2) expectedHashBucket2_1 = testutil.ComputeCryptoHash(expectedHashBucket4_1, expectedHashBucket3_2) expectedHashBucket1_1 = testutil.ComputeCryptoHash(expectedHashBucket2_1, expectedHashBucket5_10) expectedHash = testutil.ComputeCryptoHash(expectedHashBucket1_1, expectedHashBucket1_2) testutil.AssertEquals(t, rootHash, expectedHash) stateImplTestWrapper.persistChangesAndResetInMemoryChanges() testutil.AssertNil(t, stateImplTestWrapper.get("chaincodeID2", "key2")) }
func TestStateImpl_ComputeHash_AllInMemory_NoContents(t *testing.T) { testDBWrapper.CreateFreshDB(t) stateImplTestWrapper := newStateImplTestWrapper(t) hash := stateImplTestWrapper.prepareWorkingSetAndComputeCryptoHash(statemgmt.NewStateDelta()) testutil.AssertEquals(t, hash, nil) }
func TestStateTrie_ComputeHash_WithDB_Spread_Keys(t *testing.T) { testDBWrapper.CreateFreshDB(t) stateTrie := NewStateTrie() stateTrieTestWrapper := &stateTrieTestWrapper{stateTrie, t} // Add a few keys and write to DB stateDelta := statemgmt.NewStateDelta() stateDelta.Set("chaincodeID1", "key1", []byte("value1"), nil) stateDelta.Set("chaincodeID1", "key2", []byte("value2"), nil) stateDelta.Set("chaincodeID2", "key3", []byte("value3"), nil) stateDelta.Set("chaincodeID2", "key4", []byte("value4"), nil) stateTrie.PrepareWorkingSet(stateDelta) stateTrieTestWrapper.PersistChangesAndResetInMemoryChanges() ///////////////////////////////////////////////////////// // Test1 - Add a non-existing key ///////////////////////////////////////////////////////// stateDelta = statemgmt.NewStateDelta() stateDelta.Set("chaincodeID3", "key5", []byte("value5"), nil) rootHash1 := stateTrieTestWrapper.PrepareWorkingSetAndComputeCryptoHash(stateDelta) expected_hash1 := computeTestHash(newTrieKey("chaincodeID1", "key1").getEncodedBytes(), []byte("value1")) expected_hash2 := computeTestHash(newTrieKey("chaincodeID1", "key2").getEncodedBytes(), []byte("value2")) expected_hash3 := computeTestHash(newTrieKey("chaincodeID2", "key3").getEncodedBytes(), []byte("value3")) expected_hash4 := computeTestHash(newTrieKey("chaincodeID2", "key4").getEncodedBytes(), []byte("value4")) expected_hash1_hash2 := computeTestHash(expected_hash1, expected_hash2) expected_hash3_hash4 := computeTestHash(expected_hash3, expected_hash4) expected_hash5 := computeTestHash(newTrieKey("chaincodeID3", "key5").getEncodedBytes(), []byte("value5")) expectedRootHash1 := computeTestHash(expected_hash1_hash2, expected_hash3_hash4, expected_hash5) testutil.AssertEquals(t, rootHash1, expectedRootHash1) stateTrieTestWrapper.PersistChangesAndResetInMemoryChanges() ///////////////////////////////////////////////////////// // Test2 - Change value of an existing key ///////////////////////////////////////////////////////// stateDelta = statemgmt.NewStateDelta() stateDelta.Set("chaincodeID2", "key4", []byte("value4-new"), nil) rootHash2 := stateTrieTestWrapper.PrepareWorkingSetAndComputeCryptoHash(stateDelta) expected_hash4 = computeTestHash(newTrieKey("chaincodeID2", "key4").getEncodedBytes(), []byte("value4-new")) expected_hash3_hash4 = computeTestHash(expected_hash3, expected_hash4) expectedRootHash2 := computeTestHash(expected_hash1_hash2, expected_hash3_hash4, expected_hash5) testutil.AssertEquals(t, rootHash2, expectedRootHash2) stateTrieTestWrapper.PersistChangesAndResetInMemoryChanges() ///////////////////////////////////////////////////////// // Test3 - Change value of another existing key ///////////////////////////////////////////////////////// stateDelta = statemgmt.NewStateDelta() stateDelta.Set("chaincodeID1", "key1", []byte("value1-new"), nil) rootHash3 := stateTrieTestWrapper.PrepareWorkingSetAndComputeCryptoHash(stateDelta) expected_hash1 = computeTestHash(newTrieKey("chaincodeID1", "key1").getEncodedBytes(), []byte("value1-new")) expected_hash1_hash2 = computeTestHash(expected_hash1, expected_hash2) expectedRootHash3 := computeTestHash(expected_hash1_hash2, expected_hash3_hash4, expected_hash5) testutil.AssertEquals(t, rootHash3, expectedRootHash3) stateTrieTestWrapper.PersistChangesAndResetInMemoryChanges() ///////////////////////////////////////////////////////// // Test4 - Delete an existing existing key ///////////////////////////////////////////////////////// fmt.Println("\n -- Delete an existing key --- ") stateDelta = statemgmt.NewStateDelta() stateDelta.Delete("chaincodeID3", "key5", nil) rootHash4 := stateTrieTestWrapper.PrepareWorkingSetAndComputeCryptoHash(stateDelta) expectedRootHash4 := computeTestHash(expected_hash1_hash2, expected_hash3_hash4) testutil.AssertEquals(t, rootHash4, expectedRootHash4) stateTrieTestWrapper.PersistChangesAndResetInMemoryChanges() // Delete should remove the key from db because, this key has no value and no children testutil.AssertNil(t, testDBWrapper.GetFromStateCF(t, newTrieKey("chaincodeID3", "key5").getEncodedBytes())) ///////////////////////////////////////////////////////// // Test5 - Delete another existing existing key ///////////////////////////////////////////////////////// stateDelta = statemgmt.NewStateDelta() stateDelta.Delete("chaincodeID2", "key4", nil) rootHash5 := stateTrieTestWrapper.PrepareWorkingSetAndComputeCryptoHash(stateDelta) expectedRootHash5 := computeTestHash(expected_hash1_hash2, expected_hash3) testutil.AssertEquals(t, rootHash5, expectedRootHash5) stateTrieTestWrapper.PersistChangesAndResetInMemoryChanges() testutil.AssertNil(t, testDBWrapper.GetFromStateCF(t, newTrieKey("chaincodeID2", "key4").getEncodedBytes())) }
// ClearInMemoryChanges remove from memory all the changes to state func (state *State) ClearInMemoryChanges(changesPersisted bool) { state.stateDelta = statemgmt.NewStateDelta() state.txStateDeltaHash = make(map[string][]byte) state.stateImpl.ClearWorkingSet(changesPersisted) }
func TestRangeScanIterator(t *testing.T) { testDBWrapper.CreateFreshDB(t) stateTrieTestWrapper := newStateTrieTestWrapper(t) stateTrie := stateTrieTestWrapper.stateTrie stateDelta := statemgmt.NewStateDelta() // insert keys stateDelta.Set("chaincodeID1", "key1", []byte("value1"), nil) stateDelta.Set("chaincodeID2", "key1", []byte("value1"), nil) stateDelta.Set("chaincodeID2", "key2", []byte("value2"), nil) stateDelta.Set("chaincodeID2", "key3", []byte("value3"), nil) stateDelta.Set("chaincodeID2", "key4", []byte("value4"), nil) stateDelta.Set("chaincodeID2", "key5", []byte("value5"), nil) stateDelta.Set("chaincodeID2", "key6", []byte("value6"), nil) stateDelta.Set("chaincodeID2", "key7", []byte("value7"), nil) stateDelta.Set("chaincodeID3", "key1", []byte("value1"), nil) stateDelta.Set("chaincodeID4", "key1", []byte("value1"), nil) stateDelta.Set("chaincodeID4", "key2", []byte("value2"), nil) stateDelta.Set("chaincodeID4", "key3", []byte("value3"), nil) stateDelta.Set("chaincodeID4", "key4", []byte("value4"), nil) stateDelta.Set("chaincodeID4", "key5", []byte("value5"), nil) stateDelta.Set("chaincodeID4", "key6", []byte("value6"), nil) stateDelta.Set("chaincodeID4", "key7", []byte("value7"), nil) stateDelta.Set("chaincodeID5", "key1", []byte("value5"), nil) stateDelta.Set("chaincodeID6", "key1", []byte("value6"), nil) stateTrie.PrepareWorkingSet(stateDelta) stateTrieTestWrapper.PersistChangesAndResetInMemoryChanges() // test range scan for chaincodeID2 rangeScanItr, _ := stateTrie.GetRangeScanIterator("chaincodeID2", "key2", "key5") var results = make(map[string][]byte) for rangeScanItr.Next() { key, value := rangeScanItr.GetKeyValue() results[key] = value } t.Logf("Results = %s", results) testutil.AssertEquals(t, len(results), 4) testutil.AssertEquals(t, results["key2"], []byte("value2")) testutil.AssertEquals(t, results["key3"], []byte("value3")) testutil.AssertEquals(t, results["key4"], []byte("value4")) testutil.AssertEquals(t, results["key5"], []byte("value5")) rangeScanItr.Close() // test range scan for chaincodeID4 rangeScanItr, _ = stateTrie.GetRangeScanIterator("chaincodeID2", "key3", "key6") results = make(map[string][]byte) for rangeScanItr.Next() { key, value := rangeScanItr.GetKeyValue() results[key] = value } t.Logf("Results = %s", results) testutil.AssertEquals(t, len(results), 4) testutil.AssertEquals(t, results["key3"], []byte("value3")) testutil.AssertEquals(t, results["key4"], []byte("value4")) testutil.AssertEquals(t, results["key5"], []byte("value5")) testutil.AssertEquals(t, results["key6"], []byte("value6")) rangeScanItr.Close() // test range scan for chaincodeID2 starting from first key rangeScanItr, _ = stateTrie.GetRangeScanIterator("chaincodeID2", "", "key5") results = make(map[string][]byte) for rangeScanItr.Next() { key, value := rangeScanItr.GetKeyValue() results[key] = value } t.Logf("Results = %s", results) testutil.AssertEquals(t, len(results), 5) testutil.AssertEquals(t, results["key1"], []byte("value1")) testutil.AssertEquals(t, results["key2"], []byte("value2")) testutil.AssertEquals(t, results["key3"], []byte("value3")) testutil.AssertEquals(t, results["key4"], []byte("value4")) testutil.AssertEquals(t, results["key5"], []byte("value5")) rangeScanItr.Close() // test range scan for all the keys in chaincodeID2 starting from first key rangeScanItr, _ = stateTrie.GetRangeScanIterator("chaincodeID2", "", "") results = make(map[string][]byte) for rangeScanItr.Next() { key, value := rangeScanItr.GetKeyValue() results[key] = value } t.Logf("Results = %s", results) testutil.AssertEquals(t, len(results), 7) testutil.AssertEquals(t, results["key1"], []byte("value1")) testutil.AssertEquals(t, results["key2"], []byte("value2")) testutil.AssertEquals(t, results["key3"], []byte("value3")) testutil.AssertEquals(t, results["key4"], []byte("value4")) testutil.AssertEquals(t, results["key5"], []byte("value5")) testutil.AssertEquals(t, results["key6"], []byte("value6")) testutil.AssertEquals(t, results["key7"], []byte("value7")) rangeScanItr.Close() }
func TestStateImpl_ComputeHash_DB_1(t *testing.T) { // number of buckets at each level 26,9,3,1 testHasher, stateImplTestWrapper, stateDelta := createFreshDBAndInitTestStateImplWithCustomHasher(t, 26, 3) // populate hash fucntion such that // all keys belong to a single bucket so as to test overwrite/delete scenario testHasher.populate("chaincodeID1", "key1", 3) testHasher.populate("chaincodeID2", "key2", 3) testHasher.populate("chaincodeID3", "key3", 3) testHasher.populate("chaincodeID4", "key4", 3) testHasher.populate("chaincodeID5", "key5", 3) testHasher.populate("chaincodeID6", "key6", 3) testHasher.populate("chaincodeID7", "key7", 3) stateDelta.Set("chaincodeID2", "key2", []byte("value2"), nil) stateDelta.Set("chaincodeID3", "key3", []byte("value3"), nil) stateDelta.Set("chaincodeID5", "key5", []byte("value5"), nil) stateDelta.Set("chaincodeID6", "key6", []byte("value6"), nil) rootHash := stateImplTestWrapper.prepareWorkingSetAndComputeCryptoHash(stateDelta) stateImplTestWrapper.persistChangesAndResetInMemoryChanges() expectedHash1 := testutil.ComputeCryptoHash(statemgmt.ConstructCompositeKey("chaincodeID2", "key2"), []byte("value2"), statemgmt.ConstructCompositeKey("chaincodeID3", "key3"), []byte("value3"), statemgmt.ConstructCompositeKey("chaincodeID5", "key5"), []byte("value5"), statemgmt.ConstructCompositeKey("chaincodeID6", "key6"), []byte("value6")) testutil.AssertEquals(t, rootHash, expectedHash1) // modify boundary keys and a middle key stateDelta = statemgmt.NewStateDelta() stateDelta.Set("chaincodeID2", "key2", []byte("value2_new"), nil) stateDelta.Set("chaincodeID3", "key3", []byte("value3_new"), nil) stateDelta.Set("chaincodeID6", "key6", []byte("value6_new"), nil) rootHash = stateImplTestWrapper.prepareWorkingSetAndComputeCryptoHash(stateDelta) stateImplTestWrapper.persistChangesAndResetInMemoryChanges() expectedHash2 := testutil.ComputeCryptoHash(statemgmt.ConstructCompositeKey("chaincodeID2", "key2"), []byte("value2_new"), statemgmt.ConstructCompositeKey("chaincodeID3", "key3"), []byte("value3_new"), statemgmt.ConstructCompositeKey("chaincodeID5", "key5"), []byte("value5"), statemgmt.ConstructCompositeKey("chaincodeID6", "key6"), []byte("value6_new")) testutil.AssertEquals(t, rootHash, expectedHash2) testutil.AssertEquals(t, stateImplTestWrapper.get("chaincodeID2", "key2"), []byte("value2_new")) testutil.AssertEquals(t, stateImplTestWrapper.get("chaincodeID3", "key3"), []byte("value3_new")) testutil.AssertEquals(t, stateImplTestWrapper.get("chaincodeID6", "key6"), []byte("value6_new")) // insert keys at boundary and in the middle stateDelta = statemgmt.NewStateDelta() stateDelta.Set("chaincodeID1", "key1", []byte("value1"), nil) stateDelta.Set("chaincodeID4", "key4", []byte("value4"), nil) stateDelta.Set("chaincodeID7", "key7", []byte("value7"), nil) rootHash = stateImplTestWrapper.prepareWorkingSetAndComputeCryptoHash(stateDelta) stateImplTestWrapper.persistChangesAndResetInMemoryChanges() expectedHash3 := testutil.ComputeCryptoHash(statemgmt.ConstructCompositeKey("chaincodeID1", "key1"), []byte("value1"), statemgmt.ConstructCompositeKey("chaincodeID2", "key2"), []byte("value2_new"), statemgmt.ConstructCompositeKey("chaincodeID3", "key3"), []byte("value3_new"), statemgmt.ConstructCompositeKey("chaincodeID4", "key4"), []byte("value4"), statemgmt.ConstructCompositeKey("chaincodeID5", "key5"), []byte("value5"), statemgmt.ConstructCompositeKey("chaincodeID6", "key6"), []byte("value6_new"), statemgmt.ConstructCompositeKey("chaincodeID7", "key7"), []byte("value7")) testutil.AssertEquals(t, rootHash, expectedHash3) testutil.AssertEquals(t, stateImplTestWrapper.get("chaincodeID1", "key1"), []byte("value1")) testutil.AssertEquals(t, stateImplTestWrapper.get("chaincodeID4", "key4"), []byte("value4")) testutil.AssertEquals(t, stateImplTestWrapper.get("chaincodeID7", "key7"), []byte("value7")) // delete keys at a boundary and in the middle stateDelta = statemgmt.NewStateDelta() stateDelta.Delete("chaincodeID1", "key1", nil) stateDelta.Delete("chaincodeID4", "key4", nil) stateDelta.Delete("chaincodeID7", "key7", nil) rootHash = stateImplTestWrapper.prepareWorkingSetAndComputeCryptoHash(stateDelta) stateImplTestWrapper.persistChangesAndResetInMemoryChanges() testutil.AssertEquals(t, rootHash, expectedHash2) testutil.AssertNil(t, stateImplTestWrapper.get("chaincodeID1", "key1")) testutil.AssertNil(t, stateImplTestWrapper.get("chaincodeID4", "key4")) testutil.AssertNil(t, stateImplTestWrapper.get("chaincodeID7", "key7")) }
func (testWrapper *stateTestWrapper) fetchStateDeltaFromDB(blockNumber uint64) *statemgmt.StateDelta { delta := statemgmt.NewStateDelta() delta.Unmarshal(testDBWrapper.GetFromStateDeltaCF(testWrapper.t, encodeStateDeltaKey(blockNumber))) return delta }