Пример #1
0
func ConstructRandomStateDelta(
	t testing.TB,
	chaincodeIDPrefix string,
	numChaincodes int,
	maxKeySuffix int,
	numKeysToInsert int,
	kvSize int) *StateDelta {
	delta := NewStateDelta()
	s2 := rand.NewSource(time.Now().UnixNano())
	r2 := rand.New(s2)

	for i := 0; i < numKeysToInsert; i++ {
		chaincodeID := chaincodeIDPrefix + "_" + strconv.Itoa(r2.Intn(numChaincodes))
		key := "key_" + strconv.Itoa(r2.Intn(maxKeySuffix))
		valueSize := kvSize - len(key)
		if valueSize < 1 {
			panic(fmt.Errorf("valueSize cannot be less than one. ValueSize=%d", valueSize))
		}
		value := testutil.ConstructRandomBytes(t, valueSize)
		delta.Set(chaincodeID, key, value, nil)
	}

	for _, chaincodeDelta := range delta.ChaincodeStateDeltas {
		sortedKeys := chaincodeDelta.getSortedKeys()
		smallestKey := sortedKeys[0]
		largestKey := sortedKeys[len(sortedKeys)-1]
		t.Logf("chaincode=%s, numKeys=%d, smallestKey=%s, largestKey=%s", chaincodeDelta.ChaincodeID, len(sortedKeys), smallestKey, largestKey)
	}
	return delta
}
Пример #2
0
func BenchmarkLedgerSingleKeyTransaction(b *testing.B) {
	b.Logf("testParams:%q", testParams)
	flags := flag.NewFlagSet("testParams", flag.ExitOnError)
	key := flags.String("Key", "key", "key name")
	kvSize := flags.Int("KVSize", 1000, "size of the key-value")
	batchSize := flags.Int("BatchSize", 100, "size of the key-value")
	numBatches := flags.Int("NumBatches", 100, "number of batches")
	numWritesToLedger := flags.Int("NumWritesToLedger", 4, "size of the key-value")
	flags.Parse(testParams)

	b.Logf(`Running test with params: key=%s, kvSize=%d, batchSize=%d, numBatches=%d, NumWritesToLedger=%d`,
		*key, *kvSize, *batchSize, *numBatches, *numWritesToLedger)

	ledgerTestWrapper := createFreshDBAndTestLedgerWrapper(b)
	ledger := ledgerTestWrapper.ledger

	chaincode := "chaincodeId"
	value := testutil.ConstructRandomBytes(b, *kvSize-(len(chaincode)+len(*key)))
	tx := constructDummyTx(b)
	serializedBytes, _ := tx.Bytes()
	b.Logf("Size of serialized bytes for tx = %d", len(serializedBytes))
	b.ResetTimer()
	for n := 0; n < b.N; n++ {
		for i := 0; i < *numBatches; i++ {
			ledger.BeginTxBatch(1)
			// execute one batch
			var transactions []*protos.Transaction
			for j := 0; j < *batchSize; j++ {
				ledger.TxBegin("txUuid")
				_, err := ledger.GetState(chaincode, *key, true)
				if err != nil {
					b.Fatalf("Error in getting state: %s", err)
				}
				for l := 0; l < *numWritesToLedger; l++ {
					ledger.SetState(chaincode, *key, value)
				}
				ledger.TxFinished("txUuid", true)
				transactions = append(transactions, tx)
			}
			ledger.CommitTxBatch(1, transactions, nil, []byte("proof"))
		}
	}
	b.StopTimer()

	//varify value persisted
	value, _ = ledger.GetState(chaincode, *key, true)
	size := ledger.GetBlockchainSize()
	b.Logf("Value size=%d, Blockchain height=%d", len(value), size)
}
Пример #3
0
func populateDB(tb testing.TB, kvSize int, totalKeys int, keyPrefix string) {
	dbWrapper := db.NewTestDBWrapper()
	dbWrapper.CreateFreshDB(tb)
	batch := gorocksdb.NewWriteBatch()
	for i := 0; i < totalKeys; i++ {
		key := []byte(keyPrefix + strconv.Itoa(i))
		value := testutil.ConstructRandomBytes(tb, kvSize-len(key))
		batch.Put(key, value)
		if i%1000 == 0 {
			dbWrapper.WriteToDB(tb, batch)
			batch = gorocksdb.NewWriteBatch()
		}
	}
	dbWrapper.CloseDB(tb)
}
Пример #4
0
func BenchmarkLedgerPopulate(b *testing.B) {
	b.Logf("testParams:%q", testParams)
	disableLogging()
	flags := flag.NewFlagSet("testParams", flag.ExitOnError)
	kvSize := flags.Int("KVSize", 1000, "size of the key-value")
	maxKeySuffix := flags.Int("MaxKeySuffix", 1, "the keys are appended with _1, _2,.. upto MaxKeySuffix")
	keyPrefix := flags.String("KeyPrefix", "Key_", "The generated workload will have keys such as KeyPrefix_1, KeyPrefix_2, and so on")
	batchSize := flags.Int("BatchSize", 100, "size of the key-value")
	flags.Parse(testParams)

	b.Logf(`Running test with params: keyPrefix=%s, kvSize=%d, batchSize=%d, maxKeySuffix=%d`,
		*keyPrefix, *kvSize, *batchSize, *maxKeySuffix)

	ledgerTestWrapper := createFreshDBAndTestLedgerWrapper(b)
	ledger := ledgerTestWrapper.ledger

	chaincode := "chaincodeId"
	numBatches := *maxKeySuffix / *batchSize
	tx := constructDummyTx(b)
	value := testutil.ConstructRandomBytes(b, *kvSize-(len(chaincode)+len(*keyPrefix)))

	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		for batchID := 0; batchID < numBatches; batchID++ {
			ledger.BeginTxBatch(1)
			// execute one batch
			var transactions []*protos.Transaction
			for j := 0; j < *batchSize; j++ {
				ledger.TxBegin("txUuid")

				b.StopTimer()
				keyNumber := batchID*(*batchSize) + j
				key := *keyPrefix + strconv.Itoa(keyNumber)
				b.StartTimer()

				ledger.SetState(chaincode, key, value)
				ledger.TxFinished("txUuid", true)

				b.StopTimer()
				transactions = append(transactions, tx)
				b.StartTimer()
			}
			ledger.CommitTxBatch(1, transactions, nil, []byte("proof"))
		}
	}
	b.StopTimer()
	b.Logf("DB stats afters populating: %s", testDBWrapper.GetEstimatedNumKeys(b))
}
Пример #5
0
func BenchmarkCryptoHash(b *testing.B) {
	flags := flag.NewFlagSet("testParams", flag.ExitOnError)
	numBytesPointer := flags.Int("NumBytes", -1, "Number of Bytes")
	flags.Parse(testParams)
	numBytes := *numBytesPointer
	if numBytes == -1 {
		b.Fatal("Missing value for parameter NumBytes")
	}

	randomBytes := testutil.ConstructRandomBytes(b, numBytes)
	//b.Logf("byte size=%d, b.N=%d", len(randomBytes), b.N)
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		util.ComputeCryptoHash(randomBytes)
	}
}
Пример #6
0
func BenchmarkLedgerRandomTransactions(b *testing.B) {
	disableLogging()
	b.Logf("testParams:%q", testParams)
	flags := flag.NewFlagSet("testParams", flag.ExitOnError)
	keyPrefix := flags.String("KeyPrefix", "Key_", "The generated workload will have keys such as KeyPrefix_1, KeyPrefix_2, and so on")
	kvSize := flags.Int("KVSize", 1000, "size of the key-value")
	maxKeySuffix := flags.Int("MaxKeySuffix", 1, "the keys are appended with _1, _2,.. upto MaxKeySuffix")
	batchSize := flags.Int("BatchSize", 100, "size of the key-value")
	numBatches := flags.Int("NumBatches", 100, "number of batches")
	numReadsFromLedger := flags.Int("NumReadsFromLedger", 4, "Number of Key-Values to read")
	numWritesToLedger := flags.Int("NumWritesToLedger", 4, "Number of Key-Values to write")
	flags.Parse(testParams)

	b.Logf(`Running test with params: keyPrefix=%s, kvSize=%d, batchSize=%d, maxKeySuffix=%d, numBatches=%d, numReadsFromLedger=%d, numWritesToLedger=%d`,
		*keyPrefix, *kvSize, *batchSize, *maxKeySuffix, *numBatches, *numReadsFromLedger, *numWritesToLedger)

	ledger, err := newLedger()
	testutil.AssertNoError(b, err, "Error while constructing ledger")

	chaincode := "chaincodeId"
	tx := constructDummyTx(b)
	value := testutil.ConstructRandomBytes(b, *kvSize-(len(chaincode)+len(*keyPrefix)))

	b.ResetTimer()

	for i := 0; i < b.N; i++ {
		for batchID := 0; batchID < *numBatches; batchID++ {
			ledger.BeginTxBatch(1)
			// execute one batch
			var transactions []*protos.Transaction
			for j := 0; j < *batchSize; j++ {
				b.StopTimer()
				randomKeySuffixGen := testutil.NewTestRandomNumberGenerator(*maxKeySuffix)
				b.StartTimer()

				ledger.TxBegin("txUuid")
				for k := 0; k < *numReadsFromLedger; k++ {
					b.StopTimer()
					randomKey := *keyPrefix + strconv.Itoa(randomKeySuffixGen.Next())
					b.StartTimer()
					ledger.GetState(chaincode, randomKey, true)
				}
				for k := 0; k < *numWritesToLedger; k++ {
					b.StopTimer()
					randomKey := *keyPrefix + strconv.Itoa(randomKeySuffixGen.Next())
					b.StartTimer()

					ledger.SetState(chaincode, randomKey, value)
				}
				ledger.TxFinished("txUuid", true)

				b.StopTimer()
				transactions = append(transactions, tx)
				b.StartTimer()
			}
			ledger.CommitTxBatch(1, transactions, nil, []byte("proof"))
		}
	}
	b.StopTimer()
	b.Logf("DB stats afters populating: %s", testDBWrapper.GetEstimatedNumKeys(b))
}