func TestTransactionResult(t *testing.T) {
ledgerTestWrapper := createFreshDBAndTestLedgerWrapper(t)
ledger := ledgerTestWrapper.ledger
// Block 0
ledger.BeginTxBatch(0)
ledger.TxBegin("txUuid1")
ledger.SetState("chaincode1", "key1", []byte("value1A"))
ledger.SetState("chaincode2", "key2", []byte("value2A"))
ledger.SetState("chaincode3", "key3", []byte("value3A"))
ledger.TxFinished("txUuid1", true)
transaction, uuid := buildTestTx(t)
transactionResult := &protos.TransactionResult{Uuid: uuid, ErrorCode: 500, Error: "bad"}
ledger.CommitTxBatch(0, []*protos.Transaction{transaction}, []*protos.TransactionResult{transactionResult}, []byte("proof"))
block := ledgerTestWrapper.GetBlockByNumber(0)
nonHashData := block.GetNonHashData()
if nonHashData == nil {
t.Fatal("Expected block to have non hash data, but non hash data was nil.")
}
if nonHashData.TransactionResults == nil || len(nonHashData.TransactionResults) == 0 {
t.Fatal("Expected block to have non hash data transaction results.")
}
testutil.AssertEquals(t, nonHashData.TransactionResults[0].Uuid, uuid)
testutil.AssertEquals(t, nonHashData.TransactionResults[0].Error, "bad")
testutil.AssertEquals(t, nonHashData.TransactionResults[0].ErrorCode, uint32(500))
}
func TestBlockChain_SimpleChain(t *testing.T) {
testDBWrapper.CreateFreshDB(t)
blockchainTestWrapper := newTestBlockchainWrapper(t)
blockchain := blockchainTestWrapper.blockchain
allBlocks, allStateHashes := blockchainTestWrapper.populateBlockChainWithSampleData()
testutil.AssertEquals(t, blockchain.getSize(), uint64(len(allBlocks)))
testutil.AssertEquals(t, blockchainTestWrapper.fetchBlockchainSizeFromDB(), uint64(len(allBlocks)))
for i := range allStateHashes {
t.Logf("Checking state hash for block number = [%d]", i)
testutil.AssertEquals(t, blockchainTestWrapper.getBlock(uint64(i)).GetStateHash(), allStateHashes[i])
}
for i := range allBlocks {
t.Logf("Checking block hash for block number = [%d]", i)
blockhash, _ := blockchainTestWrapper.getBlock(uint64(i)).GetHash()
expectedBlockHash, _ := allBlocks[i].GetHash()
testutil.AssertEquals(t, blockhash, expectedBlockHash)
}
testutil.AssertNil(t, blockchainTestWrapper.getBlock(uint64(0)).PreviousBlockHash)
i := 1
for i < len(allBlocks) {
t.Logf("Checking previous block hash for block number = [%d]", i)
expectedPreviousBlockHash, _ := allBlocks[i-1].GetHash()
testutil.AssertEquals(t, blockchainTestWrapper.getBlock(uint64(i)).PreviousBlockHash, expectedPreviousBlockHash)
i++
}
}
func testTrieNodeMarshalUnmarshal(trieNode *trieNode, t *testing.T) {
trieNodeTestWrapper := &trieNodeTestWrapper{trieNode, t}
serializedContent := trieNodeTestWrapper.marshal()
trieNodeFromUnmarshal := trieNodeTestWrapper.unmarshal(trieNode.trieKey, serializedContent)
testutil.AssertEquals(t, trieNodeFromUnmarshal.trieKey, trieNode.trieKey)
testutil.AssertEquals(t, trieNodeFromUnmarshal.value, trieNode.value)
testutil.AssertEquals(t, trieNodeFromUnmarshal.childrenCryptoHashes, trieNode.childrenCryptoHashes)
testutil.AssertEquals(t, trieNodeFromUnmarshal.getNumChildren(), trieNode.getNumChildren())
}
func TestConfigInit(t *testing.T) {
configs := viper.GetStringMap("ledger.state.dataStructure.configs")
t.Logf("Configs loaded from yaml = %#v", configs)
testDBWrapper.CreateFreshDB(t)
stateImpl := NewStateImpl()
stateImpl.Initialize(configs)
testutil.AssertEquals(t, conf.getNumBucketsAtLowestLevel(), configs[ConfigNumBuckets])
testutil.AssertEquals(t, conf.getMaxGroupingAtEachLevel(), configs[ConfigMaxGroupingAtEachLevel])
}
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 TestBucketKeyGetChildIndex(t *testing.T) {
conf = newConfig(26, 3, fnvHash)
bucketKey := newBucketKey(3, 22)
testutil.AssertEquals(t, bucketKey.getParentKey().getChildIndex(bucketKey), 0)
bucketKey = newBucketKey(3, 23)
testutil.AssertEquals(t, bucketKey.getParentKey().getChildIndex(bucketKey), 1)
bucketKey = newBucketKey(3, 24)
testutil.AssertEquals(t, bucketKey.getParentKey().getChildIndex(bucketKey), 2)
}
func TestBucketKeyEqual(t *testing.T) {
conf = newConfig(26, 3, fnvHash)
bucketKey1 := newBucketKey(1, 2)
bucketKey2 := newBucketKey(1, 2)
testutil.AssertEquals(t, bucketKey1.equals(bucketKey2), true)
bucketKey2 = newBucketKey(2, 2)
testutil.AssertEquals(t, bucketKey1.equals(bucketKey2), false)
bucketKey2 = newBucketKey(1, 3)
testutil.AssertEquals(t, bucketKey1.equals(bucketKey2), false)
bucketKey2 = newBucketKey(2, 3)
testutil.AssertEquals(t, bucketKey1.equals(bucketKey2), false)
}
func TestLedgerCommit(t *testing.T) {
ledgerTestWrapper := createFreshDBAndTestLedgerWrapper(t)
ledger := ledgerTestWrapper.ledger
ledger.BeginTxBatch(1)
ledger.TxBegin("txUuid")
ledger.SetState("chaincode1", "key1", []byte("value1"))
ledger.SetState("chaincode2", "key2", []byte("value2"))
ledger.SetState("chaincode3", "key3", []byte("value3"))
ledger.TxFinished("txUuid", true)
transaction, _ := buildTestTx(t)
ledger.CommitTxBatch(1, []*protos.Transaction{transaction}, nil, []byte("proof"))
testutil.AssertEquals(t, ledgerTestWrapper.GetState("chaincode1", "key1", false), []byte("value1"))
testutil.AssertEquals(t, ledgerTestWrapper.GetState("chaincode1", "key1", true), []byte("value1"))
}
func TestBucketNodeMarshalUnmarshal(t *testing.T) {
conf = newConfig(26, 3, fnvHash)
bucketNode := newBucketNode(newBucketKey(2, 7))
childKey1 := newBucketKey(3, 19)
bucketNode.setChildCryptoHash(childKey1, []byte("cryptoHashChild1"))
childKey3 := newBucketKey(3, 21)
bucketNode.setChildCryptoHash(childKey3, []byte("cryptoHashChild3"))
serializedBytes := bucketNode.marshal()
deserializedBucketNode := unmarshalBucketNode(newBucketKey(2, 7), serializedBytes)
testutil.AssertEquals(t, bucketNode.bucketKey, deserializedBucketNode.bucketKey)
testutil.AssertEquals(t, bucketNode.childrenCryptoHash, deserializedBucketNode.childrenCryptoHash)
}
func TestStateDeltaCryptoHash(t *testing.T) {
stateDelta := NewStateDelta()
testutil.AssertNil(t, stateDelta.ComputeCryptoHash())
stateDelta.Set("chaincodeID1", "key2", []byte("value2"), nil)
stateDelta.Set("chaincodeID1", "key1", []byte("value1"), nil)
stateDelta.Set("chaincodeID2", "key2", []byte("value2"), nil)
stateDelta.Set("chaincodeID2", "key1", []byte("value1"), nil)
testutil.AssertEquals(t, stateDelta.ComputeCryptoHash(), testutil.ComputeCryptoHash([]byte("chaincodeID1key1value1key2value2chaincodeID2key1value1key2value2")))
stateDelta.Delete("chaincodeID2", "key1", nil)
testutil.AssertEquals(t, stateDelta.ComputeCryptoHash(), testutil.ComputeCryptoHash([]byte("chaincodeID1key1value1key2value2chaincodeID2key1key2value2")))
}
func TestBucketNodeMerge(t *testing.T) {
conf = newConfig(26, 3, fnvHash)
bucketNode := newBucketNode(newBucketKey(2, 7))
bucketNode.childrenCryptoHash[0] = []byte("cryptoHashChild1")
bucketNode.childrenCryptoHash[2] = []byte("cryptoHashChild3")
dbBucketNode := newBucketNode(newBucketKey(2, 7))
dbBucketNode.childrenCryptoHash[0] = []byte("DBcryptoHashChild1")
dbBucketNode.childrenCryptoHash[1] = []byte("DBcryptoHashChild2")
bucketNode.mergeBucketNode(dbBucketNode)
testutil.AssertEquals(t, bucketNode.childrenCryptoHash[0], []byte("cryptoHashChild1"))
testutil.AssertEquals(t, bucketNode.childrenCryptoHash[1], []byte("DBcryptoHashChild2"))
testutil.AssertEquals(t, bucketNode.childrenCryptoHash[2], []byte("cryptoHashChild3"))
}
func TestTrieNode_MergeAttributes(t *testing.T) {
trieNode := newTrieNode(newTrieKey("chaincodeID", "key"), []byte("newValue!"), true)
trieNode.setChildCryptoHash(0, []byte("crypto-hash-for-test-0"))
trieNode.setChildCryptoHash(5, []byte("crypto-hash-for-test-5"))
existingTrieNode := newTrieNode(newTrieKey("chaincodeID", "key"), []byte("existingValue"), false)
existingTrieNode.setChildCryptoHash(5, []byte("crypto-hash-for-test-5-existing"))
existingTrieNode.setChildCryptoHash(10, []byte("crypto-hash-for-test-10-existing"))
trieNode.mergeMissingAttributesFrom(existingTrieNode)
testutil.AssertEquals(t, trieNode.value, []byte("newValue!"))
testutil.AssertEquals(t, trieNode.childrenCryptoHashes[0], []byte("crypto-hash-for-test-0"))
testutil.AssertEquals(t, trieNode.childrenCryptoHashes[5], []byte("crypto-hash-for-test-5"))
testutil.AssertEquals(t, trieNode.childrenCryptoHashes[10], []byte("crypto-hash-for-test-10-existing"))
}
// AssertIteratorContains - tests wether the iterator (itr) contains expected results (provided in map)
func AssertIteratorContains(t *testing.T, itr RangeScanIterator, expected map[string][]byte) {
count := 0
actual := make(map[string][]byte)
for itr.Next() {
count++
k, v := itr.GetKeyValue()
actual[k] = v
}
t.Logf("Results from iterator: %s", actual)
testutil.AssertEquals(t, count, len(expected))
for k, v := range expected {
testutil.AssertEquals(t, actual[k], v)
}
}
func TestExpectedBucketHashContentForTest(t *testing.T) {
expectedHashContent1 := expectedBucketHashContentForTest(
[]string{"chaincodeID1", "key1", "value1"},
[]string{"chaincodeID_2", "key_1", "value_1", "key_2", "value_2"},
[]string{"chaincodeID3", "key1", "value1", "key2", "value2", "key3", "value3"},
)
expectedHashContent2 := testutil.AppendAll(
encodeNumberForTest(len("chaincodeID1")), []byte("chaincodeID1"),
encodeNumberForTest(1),
encodeNumberForTest(len("key1")), []byte("key1"), encodeNumberForTest(len("value1")), []byte("value1"),
encodeNumberForTest(len("chaincodeID_2")), []byte("chaincodeID_2"),
encodeNumberForTest(2),
encodeNumberForTest(len("key_1")), []byte("key_1"), encodeNumberForTest(len("value_1")), []byte("value_1"),
encodeNumberForTest(len("key_2")), []byte("key_2"), encodeNumberForTest(len("value_2")), []byte("value_2"),
encodeNumberForTest(len("chaincodeID3")), []byte("chaincodeID3"),
encodeNumberForTest(3),
encodeNumberForTest(len("key1")), []byte("key1"), encodeNumberForTest(len("value1")), []byte("value1"),
encodeNumberForTest(len("key2")), []byte("key2"), encodeNumberForTest(len("value2")), []byte("value2"),
encodeNumberForTest(len("key3")), []byte("key3"), encodeNumberForTest(len("value3")), []byte("value3"),
)
testutil.AssertEquals(t, expectedHashContent1, expectedHashContent2)
}
func TestIndexesAsync_ClientWaitScenario(t *testing.T) {
testDBWrapper.CreateFreshDB(t)
testBlockchainWrapper := newTestBlockchainWrapper(t)
chain := testBlockchainWrapper.blockchain
if chain.indexer.isSynchronous() {
t.Skip("Skipping because blockchain is configured to index block data synchronously")
}
blocks, _, err := testBlockchainWrapper.populateBlockChainWithSampleData()
if err != nil {
t.Logf("Error populating block chain with sample data: %s", err)
t.Fail()
}
t.Log("Increasing size of blockchain by one artificially so as to make client wait")
chain.size = chain.size + 1
t.Log("Resetting size of blockchain to original and adding one block in a separate go routine so as to wake up the client")
go func() {
time.Sleep(2 * time.Second)
chain.size = chain.size - 1
blk, err := buildTestBlock(t)
if err != nil {
t.Logf("Error building test block: %s", err)
t.Fail()
}
testBlockchainWrapper.addNewBlock(blk, []byte("stateHash"))
}()
t.Log("Executing client query. The client would wait and will be woken up")
blockHash, _ := blocks[0].GetHash()
block := testBlockchainWrapper.getBlockByHash(blockHash)
testutil.AssertEquals(t, block, blocks[0])
}
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 TestStateImpl_ComputeHash_AllInMemory_1(t *testing.T) {
// number of buckets at each level 26,9,3,1
testHasher, stateImplTestWrapper, stateDelta := createFreshDBAndInitTestStateImplWithCustomHasher(t, 26, 3)
testHasher.populate("chaincodeID1", "key1", 0)
testHasher.populate("chaincodeID2", "key2", 0)
testHasher.populate("chaincodeID3", "key3", 0)
testHasher.populate("chaincodeID4", "key4", 3)
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)
rootHash := stateImplTestWrapper.prepareWorkingSetAndComputeCryptoHash(stateDelta)
expectedHashBucket3_1 := expectedBucketHashForTest(
[]string{"chaincodeID1", "key1", "value1"},
[]string{"chaincodeID2", "key2", "value2"},
[]string{"chaincodeID3", "key3", "value3"},
)
expectedHashBucket3_4 := expectedBucketHashForTest(
[]string{"chaincodeID4", "key4", "value4"},
)
expectedHash := testutil.ComputeCryptoHash(expectedHashBucket3_1, expectedHashBucket3_4)
testutil.AssertEquals(t, rootHash, expectedHash)
}
func TestDataKey(t *testing.T) {
conf = initConfig(26, 3, fnvHash)
dataKey := newDataKey("chaincodeID", "key")
encodedBytes := dataKey.getEncodedBytes()
dataKeyFromEncodedBytes := newDataKeyFromEncodedBytes(encodedBytes)
testutil.AssertEquals(t, dataKey, dataKeyFromEncodedBytes)
}
func TestTrieNode_ComputeCryptoHash_NoValue_SingleChild(t *testing.T) {
trieNode := newTrieNode(newTrieKey("chaincodeID", "key"), nil, false)
singleChildCryptoHash := []byte("childCryptoHash-0")
trieNode.setChildCryptoHash(0, singleChildCryptoHash)
hash := trieNode.computeCryptoHash()
testutil.AssertEquals(t, hash, singleChildCryptoHash)
}
func TestPreviewTXBatchBlock(t *testing.T) {
ledgerTestWrapper := createFreshDBAndTestLedgerWrapper(t)
ledger := ledgerTestWrapper.ledger
// Block 0
ledger.BeginTxBatch(0)
ledger.TxBegin("txUuid1")
ledger.SetState("chaincode1", "key1", []byte("value1A"))
ledger.SetState("chaincode2", "key2", []byte("value2A"))
ledger.SetState("chaincode3", "key3", []byte("value3A"))
ledger.TxFinished("txUuid1", true)
transaction, _ := buildTestTx(t)
previewBlock, err := ledger.GetTXBatchPreviewBlock(0, []*protos.Transaction{transaction}, []byte("proof"))
testutil.AssertNoError(t, err, "Error fetching preview block.")
ledger.CommitTxBatch(0, []*protos.Transaction{transaction}, nil, []byte("proof"))
commitedBlock := ledgerTestWrapper.GetBlockByNumber(0)
previewBlockHash, err := previewBlock.GetHash()
testutil.AssertNoError(t, err, "Error fetching preview block hash.")
commitedBlockHash, err := commitedBlock.GetHash()
testutil.AssertNoError(t, err, "Error fetching committed block hash.")
testutil.AssertEquals(t, previewBlockHash, commitedBlockHash)
}
func TestLedgerRollbackWithHash(t *testing.T) {
ledgerTestWrapper := createFreshDBAndTestLedgerWrapper(t)
ledger := ledgerTestWrapper.ledger
ledger.BeginTxBatch(0)
ledger.TxBegin("txUuid")
ledger.SetState("chaincode0", "key1", []byte("value1"))
ledger.SetState("chaincode0", "key2", []byte("value2"))
ledger.SetState("chaincode0", "key3", []byte("value3"))
ledger.TxFinished("txUuid", true)
ledger.RollbackTxBatch(0)
hash0 := ledgerTestWrapper.GetTempStateHash()
ledger.BeginTxBatch(1)
ledger.TxBegin("txUuid")
ledger.SetState("chaincode1", "key1", []byte("value1"))
ledger.SetState("chaincode2", "key2", []byte("value2"))
ledger.SetState("chaincode3", "key3", []byte("value3"))
ledger.TxFinished("txUuid", true)
hash1 := ledgerTestWrapper.GetTempStateHash()
testutil.AssertNotEquals(t, hash1, hash0)
ledger.RollbackTxBatch(1)
hash1 = ledgerTestWrapper.GetTempStateHash()
testutil.AssertEquals(t, hash1, hash0)
testutil.AssertNil(t, ledgerTestWrapper.GetState("chaincode1", "key1", false))
}
func TestIndexes_GetBlockByBlockNumber(t *testing.T) {
testDBWrapper.CreateFreshDB(t)
testBlockchainWrapper := newTestBlockchainWrapper(t)
blocks, _ := testBlockchainWrapper.populateBlockChainWithSampleData()
for i := range blocks {
testutil.AssertEquals(t, testBlockchainWrapper.getBlock(uint64(i)), blocks[i])
}
}
func TestBucketNodeComputeHash(t *testing.T) {
conf = newConfig(26, 3, fnvHash)
bucketNode := newBucketNode(newBucketKey(2, 7))
testutil.AssertEquals(t, bucketNode.computeCryptoHash(), nil)
childKey1 := newBucketKey(3, 19)
bucketNode.setChildCryptoHash(childKey1, []byte("cryptoHashChild1"))
testutil.AssertEquals(t, bucketNode.computeCryptoHash(), []byte("cryptoHashChild1"))
childKey3 := newBucketKey(3, 21)
bucketNode.setChildCryptoHash(childKey3, []byte("cryptoHashChild3"))
testutil.AssertEquals(t, bucketNode.computeCryptoHash(), testutil.ComputeCryptoHash([]byte("cryptoHashChild1cryptoHashChild3")))
childKey2 := newBucketKey(3, 20)
bucketNode.setChildCryptoHash(childKey2, []byte("cryptoHashChild2"))
testutil.AssertEquals(t, bucketNode.computeCryptoHash(), testutil.ComputeCryptoHash([]byte("cryptoHashChild1cryptoHashChild2cryptoHashChild3")))
}
func TestIndexes_GetTransactionByUUID(t *testing.T) {
testDBWrapper.CreateFreshDB(t)
testBlockchainWrapper := newTestBlockchainWrapper(t)
tx1, uuid1 := buildTestTx(t)
tx2, uuid2 := buildTestTx(t)
block1 := protos.NewBlock([]*protos.Transaction{tx1, tx2}, nil)
testBlockchainWrapper.addNewBlock(block1, []byte("stateHash1"))
tx3, uuid3 := buildTestTx(t)
tx4, uuid4 := buildTestTx(t)
block2 := protos.NewBlock([]*protos.Transaction{tx3, tx4}, nil)
testBlockchainWrapper.addNewBlock(block2, []byte("stateHash2"))
testutil.AssertEquals(t, testBlockchainWrapper.getTransactionByUUID(uuid1), tx1)
testutil.AssertEquals(t, testBlockchainWrapper.getTransactionByUUID(uuid2), tx2)
testutil.AssertEquals(t, testBlockchainWrapper.getTransactionByUUID(uuid3), tx3)
testutil.AssertEquals(t, testBlockchainWrapper.getTransactionByUUID(uuid4), tx4)
}
func TestIndexes_GetBlockByBlockHash(t *testing.T) {
testDBWrapper.CreateFreshDB(t)
testBlockchainWrapper := newTestBlockchainWrapper(t)
blocks, _ := testBlockchainWrapper.populateBlockChainWithSampleData()
for i := range blocks {
blockHash, _ := blocks[i].GetHash()
testutil.AssertEquals(t, testBlockchainWrapper.getBlockByHash(blockHash), blocks[i])
}
}
func TestTrieNode_ComputeCryptoHash_WithValue_NoChild(t *testing.T) {
trieKey := newTrieKey("chaincodeID", "key")
value := []byte("testValue")
trieNode := newTrieNode(trieKey, value, false)
hash := trieNode.computeCryptoHash()
expectedHash := expectedCryptoHashForTest(trieKey, value)
testutil.AssertEquals(t, hash, expectedHash)
}
func TestLedgerPutRawBlock(t *testing.T) {
ledgerTestWrapper := createFreshDBAndTestLedgerWrapper(t)
ledger := ledgerTestWrapper.ledger
block := new(protos.Block)
block.PreviousBlockHash = []byte("foo")
block.StateHash = []byte("bar")
ledger.PutRawBlock(block, 4)
testutil.AssertEquals(t, ledgerTestWrapper.GetBlockByNumber(4), block)
}
func TestIndexes_GetTransactionByBlockNumberAndTxIndex(t *testing.T) {
testDBWrapper.CreateFreshDB(t)
testBlockchainWrapper := newTestBlockchainWrapper(t)
blocks, _ := testBlockchainWrapper.populateBlockChainWithSampleData()
for i, block := range blocks {
for j, tx := range block.GetTransactions() {
testutil.AssertEquals(t, testBlockchainWrapper.getTransaction(uint64(i), uint64(j)), tx)
}
}
}
func TestBlockChainEmptyChain(t *testing.T) {
testDBWrapper.CreateFreshDB(t)
blockchainTestWrapper := newTestBlockchainWrapper(t)
testutil.AssertEquals(t, blockchainTestWrapper.blockchain.getSize(), uint64(0))
block := blockchainTestWrapper.getLastBlock()
if block != nil {
t.Fatalf("Get last block on an empty chain should return nil.")
}
t.Logf("last block = [%s]", block)
}
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)
}
