예제 #1
0
// This is the Baby of Asset tracking!  We get the current height of our block
// and we go through each entry, unmarshalling it and building a "block".  We
// then process that block.
//
// We process transactions in our chain, and maintain a balance of our assets.
//
func (fs *AssetState) LoadState() error {

	// First we need to build our list of blocks going back.
	var blklist []factom.EBlock

	// Get me a chain head...
	blkmr, err := factom.GetChainHead(hex.EncodeToString(fs.ChainID()))
	if err != nil {
		return err
	}
	blk, err := factom.GetEBlock(blkmr.ChainHead)

	for {
		if blk.Header.BlockSequenceNumber < fs.nextblockheight {
			break
		}
		blklist = append(blklist, *blk)
		if blk.Header.BlockSequenceNumber == 0 {
			break
		}
		nblk, err := factom.GetEBlock(blk.Header.PrevKeyMR)
		if err != nil {
			fmt.Println("Error Reading Entry blocks")
			time.Sleep(time.Second)
			continue
		}
		blk = nblk
	}

	// Now process blocks forward

	for i := len(blklist) - 1; i >= 0; i-- {
		for _, entry := range blklist[i].EntryList {
			transEntry, err := factom.GetEntry(entry.EntryHash)
			t := new(fct.Transaction)
			transdata, err := hex.DecodeString(transEntry.Content)
			if err != nil {
				continue
			} // Ignore bad entries.
			err = t.UnmarshalBinary(transdata)
			if err != nil {
				continue
			} // Ignore bad entries.
			fs.AddTransaction(t)
		}
	}

	return nil
}
예제 #2
0
// New Transaction:  key --
// We create a new transaction, and track it with the user supplied key.  The
// user can then use this key to make subsequent calls to add inputs, outputs,
// and to sign. Then they can submit the transaction.
//
// When the transaction is submitted, we clear it from our working memory.
// Multiple transactions can be under construction at one time, but they need
// their own keys. Once a transaction is either submitted or deleted, the key
// can be reused.
func (Import) Execute(state IState, args []string) error {

	if len(args) != 3 {
		return fmt.Errorf("Invalid Parameters")
	}
	key := args[1]
	filename := args[2]

	if _, err := os.Stat(filename); err != nil {
		return fmt.Errorf("Could not find the input file %s", filename)
	}

	{ // Doing a bit of variable scope management here, since I want t later.
		t := state.GetFS().GetDB().GetRaw([]byte(fct.DB_BUILD_TRANS), []byte(key))
		if t != nil {
			return fmt.Errorf("That transaction already exists.  Specify a new one, or delete this one.")
		}
	}

	data, err := ioutil.ReadFile(filename)
	var hexdata []byte
	for _, b := range data {
		if b > 32 {
			hexdata = append(hexdata, b)
		}
	}

	bdata, err := hex.DecodeString(string(hexdata))
	if err != nil {
		return err
	}

	t := new(fct.Transaction)
	err = t.UnmarshalBinary(bdata)
	if err != nil {
		return err
	}

	state.GetFS().GetDB().PutRaw([]byte(fct.DB_BUILD_TRANS), []byte(key), t)

	fmt.Println("Transaction", filename, "has been imported")
	return nil
}
예제 #3
0
// This routine generates the Coinbase.  This is a fixed amount to be
// paid to the federated servers.
//
// Currently we are paying just a few fixed addresses.
//
func GetCoinbase(ftime uint64) fct.ITransaction {

	if false && adrs == nil {
		var w wallet.ISCWallet
		w = new(wallet.SCWallet)
		w.Init()

		adrs = make([]fct.IAddress, addressCnt)
		for i := 0; i < addressCnt; i++ {
			adr, _ := w.GenerateFctAddress([]byte("adr"+string(i)), 1, 1)
			adrs[i] = adr
		}
	}

	coinbase := new(fct.Transaction)
	coinbase.SetMilliTimestamp(ftime)

	for _, adr := range adrs {
		coinbase.AddOutput(adr, amount) // add specified amount
	}

	return coinbase
}
예제 #4
0
// Run a simulation of Transactions and blocks designed to test a pseudo random transaction set.
// If randomize = 0, then we will use the clock to seed the random number generator, and print the
// 64 bit seed used.  If randomize is set to some value, we use that vaule (allowing us to repeat
// tests if we like.
func Test_create_genesis_FactoidState(test *testing.T) {
	randomize := int64(0)
	numBlocks := 5
	numTransactions := 2 // Maximum Transactions
	maxIn := 1
	maxOut := 1
	if testing.Short() {
		fmt.Print("\nDoing Short Tests\n")
		numBlocks = 5
		numTransactions = 20
		maxIn = 5
		maxOut = 5
	}

	if randomize == 0 {
		randomize = time.Now().UnixNano()
		rand.Seed(randomize)
		randomize = rand.Int63()
		rand.Seed(randomize)
	} else {
		rand.Seed(randomize)
	}

	fmt.Println("Randomize Seed Used: ", randomize)

	cp.CP.AddUpdate(
		"Test Parms",
		"status", // Category
		fmt.Sprintf("Number of Blocks %d Max number Transactions %d",
			numBlocks, numTransactions),
		fmt.Sprintf("Randomize Seed: %v", randomize),
		0)

	// Use Bolt DB
	if !testing.Short() {
		fs.SetDB(new(database.MapDB))
		fs.GetDB().Init()
		db := stateinit.GetDatabase("./fct_test.db")
		fs.GetDB().SetPersist(db)
		fs.GetDB().SetBacker(db)

		fs.GetDB().DoNotPersist(fct.DB_F_BALANCES)
		fs.GetDB().DoNotPersist(fct.DB_EC_BALANCES)
		fs.GetDB().DoNotPersist(fct.DB_BUILD_TRANS)
		fs.GetDB().DoNotCache(fct.DB_FACTOID_BLOCKS)
		fs.GetDB().DoNotCache(fct.DB_BAD_TRANS)
		fs.GetDB().DoNotCache(fct.DB_TRANSACTIONS)
	} else {
		fs.SetDB(new(database.MapDB))
		fs.GetDB().Init()
	}
	// Make the coinbase very generous
	block.UpdateAmount(10000000)

	// Set the price for Factoids
	fs.SetFactoshisPerEC(100000)
	err := fs.LoadState()
	if err != nil {
		fmt.Println("Faid to initialize: ", err)
		os.Exit(1)
	}
	pre := fs.GetTransactionBlock(fs.GetCurrentBlock().GetPrevKeyMR())
	if !bytes.Equal(pre.GetHash().Bytes(), fs.GetCurrentBlock().GetPrevKeyMR().Bytes()) {
		fmt.Printf("Something is ill!")
		test.Fail()
		return
	}

	// Print the Genesis Block.  If we don't know the past, then print it.
	past := fs.GetTransactionBlock(pre.GetPrevKeyMR())
	if past == nil {
		for _, trans := range pre.GetTransactions() {
			PrtTrans(trans)
		}
	}

	if err != nil {
		fct.Prtln("Failed to load:", err)
		test.Fail()
		return
	}

	var max, min, maxblk int
	min = 100000
	// Create a number of blocks (i)
	for i := 0; i < numBlocks; i++ {

		fmt.Println("Block", fs.GetCurrentBlock().GetDBHeight())

		PrtTrans(fs.GetCurrentBlock().GetTransactions()[0])

		thisRunLimit := (rand.Int() % numTransactions) + 1

		cp.CP.AddUpdate(
			"This Block",
			"status", // Category
			fmt.Sprintf("Number of Transactions in this block: %d",
				thisRunLimit),
			"",
			0)

		var transCnt int
		periodMark := 1
		// Create a new block
		for j := fs.stats.transactions; fs.stats.transactions < j+thisRunLimit; { // Execute for some number RECORDED transactions
			transCnt++
			periodvalue := thisRunLimit / 10
			if periodvalue == 0 {
				periodvalue = 1
			}

			if periodMark <= 10 && transCnt%(periodvalue) == 0 {
				fs.EndOfPeriod(periodMark)
				periodMark++
			}

			tx := fs.newTransaction(maxIn, maxOut)

			addtest := true
			flip := rand.Int() % 100
			if rand.Int()%100 < 5 { // Mess up the timestamp on 5 percent of the transactions
				addtest = false
				blkts := uint64(fs.GetCurrentBlock().GetCoinbaseTimestamp())
				if flip < 49 { // Flip a coin
					tx.SetMilliTimestamp(blkts - uint64(fct.TRANSACTION_PRIOR_LIMIT) - 1)
					fs.stats.errors["trans too early"] += 1
					fs.stats.full["trans too early"] = "trans too early"
				} else {
					tx.SetMilliTimestamp(blkts + uint64(fct.TRANSACTION_POST_LIMIT) + 1)
					fs.stats.errors["trans too late"] += 1
					fs.stats.full["trans too late"] = "trans too late"
				}
				fs.twallet.SignInputs(tx)
			}

			// Test Marshal/UnMarshal
			m, err := tx.MarshalBinary()
			if err != nil {
				fmt.Println("\n Failed to Marshal: ", err)
				test.Fail()
				return
			}
			if len(m) > max {
				max = len(m)
				cp.CP.AddUpdate(
					"max transaction size", // tag
					"info",                 // Category
					fmt.Sprintf("Max Transaction Size %d", max), // Title
					fmt.Sprintf("<pre>#inputs = %-3d  #outputs = %-3d  #ecoutputs = %-3d<pre>",
						len(tx.GetInputs()), len(tx.GetOutputs()), len(tx.GetECOutputs())), // Msg
					0) // Expire
			}
			if len(m) < min {
				min = len(m)
				cp.CP.AddUpdate(
					"min transaction size", // tag
					"info",                 // Category
					fmt.Sprintf("Min Transaction Size %d", min), // Title
					fmt.Sprintf("<pre>#inputs = %-3d  #outputs = %-3d  #ecoutputs = %-3d<pre>",
						len(tx.GetInputs()), len(tx.GetOutputs()), len(tx.GetECOutputs())), // Msg
					0) // Expire
			}

			k := rand.Int() % (len(m) - 2)
			k++
			good := true
			flip = rand.Int() % 100
			// To simulate bad data, I mess up some of the data here.
			if rand.Int()%100 < 5 { // Mess up 5 percent of the transactions
				good = false
				if flip < 49 { // Flip a coin
					m = m[k:]
					fs.stats.errors["lost start of trans"] += 1
					fs.stats.full["lost start of trans"] = "lost start of trans"
				} else {
					m = m[:k]
					fs.stats.errors["lost end of trans"] += 1
					fs.stats.full["lost end of trans"] = "lost end of trans"
				}
			}

			t := new(fct.Transaction)
			err = t.UnmarshalBinary(m)

			if good && tx.IsEqual(t) != nil {
				fmt.Println("Fail valid Unmarshal")
				test.Fail()
				return
			}
			if err == nil {
				if good && err != nil {
					fmt.Println("Added a transaction that should have failed to be added")
					fmt.Println(err)
					test.Fail()
					return
				}
				if !good {
					fmt.Println("Failed to add a transaction that should have added")
					test.Fail()
					return
				}
			}

			if good {
				err = fs.AddTransaction(j+1, t)
			}
			if !addtest && err == nil {
				ts := int64(t.GetMilliTimestamp())
				bts := int64(fs.GetCurrentBlock().GetCoinbaseTimestamp())
				fmt.Println("timestamp failure ", ts, bts, ts-bts, fct.TRANSACTION_POST_LIMIT)
				test.Fail()
				return
			}
			if !addtest && err == nil {
				fmt.Println("failed to catch error")
				test.Fail()
				return
			}

			if addtest && good && err != nil {
				fmt.Println(err)
				fmt.Println("Unmarshal Failed. trans is good",
					"\nand the error detected: ", err,
					"\nand k:", k, "and flip:", flip)
				test.Fail()
				return
			}

			if good && addtest {

				PrtTrans(t)
				fs.stats.transactions += 1

				title := fmt.Sprintf("Bad Transactions: %d  Total transaactions %d",
					fs.stats.badAddresses, fs.stats.transactions)
				cp.CP.AddUpdate("Bad Transaction", "status", title, "", 0)

				time.Sleep(time.Second / 100)
			} else {
				fs.stats.badAddresses += 1
			}

		}
		//
		// Serialization deserialization tests for blocks
		//
		blkdata, err := fs.GetCurrentBlock().MarshalBinary()
		if err != nil {
			test.Fail()
			return
		}
		blk := fs.GetCurrentBlock().GetNewInstance().(block.IFBlock)
		err = blk.UnmarshalBinary(blkdata)
		if err != nil {
			test.Fail()
			return
		}
		if len(blkdata) > maxblk {
			maxblk = len(blkdata)
			cp.CP.AddUpdate(
				"maxblocksize", // tag
				"info",         // Category
				fmt.Sprintf("Max Block Size: %dK", maxblk/1024), // Title
				"", // Msg
				0)  // Expires
		}
		sec1 := fs.stats.TransactionsPerSec()
		sec2 := fs.stats.TotalTransactionsPerSec()
		cp.CP.AddUpdate(
			"transpersec", // tag
			"info",        // Category
			fmt.Sprintf("Transactions per second %4.2f, (+ bad) %4.2f", sec1, sec2), // Title
			"", // Msg
			0)  // Expires
		fmt.Println("Block Check")
		blk1 := fs.GetCurrentBlock()
		blk1MR := fs.GetCurrentBlock().GetHash()
		fmt.Println("ProcessEndOfBlock")
		fs.ProcessEndOfBlock() // Process the block.
		fmt.Println("Check ProcessEndOfBlock")
		blk2PMR := fs.GetCurrentBlock().GetPrevKeyMR()
		if !bytes.Equal(blk1MR.Bytes(), blk2PMR.Bytes()) {
			fmt.Println("MR's don't match")
			test.Fail()
			return
		}
		data, err := blk1.MarshalBinary()
		if err != nil {
			fmt.Println("Failed to Marshal")
			test.Fail()
			return
		}
		blk1b := new(block.FBlock)
		err = blk1b.UnmarshalBinary(data)
		if err != nil {
			fmt.Println("Failed to Unmarshal")
			test.Fail()
			return
		}
		if !bytes.Equal(blk2PMR.Bytes(), blk1b.GetKeyMR().Bytes()) {
			fmt.Println("Unmarshaled MR doesn't match")
			test.Fail()
			return
		}

		c := 1
		keys := make([]string, 0, len(fs.stats.errors))
		for k := range fs.stats.errors {
			keys = append(keys, k)
		}
		for i := 0; i < len(keys)-1; i++ {
			for j := 0; j < len(keys)-i-1; j++ {
				if keys[j] < keys[j+1] {
					t := keys[j]
					keys[j] = keys[j+1]
					keys[j+1] = t
				}
			}
		}
		var out bytes.Buffer
		for _, key := range keys {
			ecnt := fs.stats.errors[key]
			by := []byte(fs.stats.full[key])
			prt := string(by)
			if len(prt) > 80 {
				prt = string(by[:80]) + "..."
			}
			prt = strings.Replace(prt, "\n", " ", -1)
			out.WriteString(fmt.Sprintf("%6d %s\n", ecnt, prt))
			c++
		}
		cp.CP.AddUpdate(
			"transerrors",                        // tag
			"errors",                             // Category
			"Transaction Errors Detected:",       // Title
			"<pre>"+string(out.Bytes())+"</pre>", // Msg
			0) // Expires

	}
	fmt.Println("\nDone")
	//     // Get the head of the Factoid Chain
	//     blk := fs.GetTransactionBlock(fct.FACTOID_CHAINID_HASH)
	//     hashes := make([]fct.IHash,0,10)
	//     // First run back from the head back to the genesis block, collecting hashes.
	//     for {
	//         h := blk.GetHash()
	//         hashes = append(hashes,h)
	//         if bytes.Compare(blk.GetPrevKeyMR().Bytes(),fct.ZERO) == 0 {
	//             break
	//         }
	//         tblk := fs.GetTransactionBlock(blk.GetPrevKeyMR())
	//         blk = tblk
	//         time.Sleep(time.Second/100)
	//     }
	//
	//     // Now run forward, and build our accounting
	//     for i := len(hashes)-1; i>=0; i-- {
	//         blk = fs.GetTransactionBlock(hashes[i])
	//         fmt.Println("Block",blk.GetDBHeight())
	//         for _,trans := range blk.GetTransactions() {
	//             PrtTrans(trans)
	//         }
	//     }
}
예제 #5
0
파일: scblock.go 프로젝트: conseweb/factoid
// UnmarshalBinary assumes that the Binary is all good.  We do error
// out if there isn't enough data, or the transaction is too large.
func (b *FBlock) UnmarshalBinaryData(data []byte) (newdata []byte, err error) {

	// To catch memory errors, I capture the panic and turn it into
	// a reported error.
	defer func() {
		if r := recover(); r != nil {
			err = fmt.Errorf("Error unmarshalling transaction: %v", r)
		}
	}()

	// To capture the panic, my code needs to be in a function.  So I'm
	// creating one here, and call it at the end of this function.
	if bytes.Compare(data[:fct.ADDRESS_LENGTH], fct.FACTOID_CHAINID[:]) != 0 {
		return nil, fmt.Errorf("Block does not begin with the Factoid ChainID")
	}
	data = data[32:]

	b.BodyMR = new(fct.Hash)
	data, err = b.BodyMR.UnmarshalBinaryData(data)
	if err != nil {
		return nil, err
	}

	b.PrevKeyMR = new(fct.Hash)
	data, err = b.PrevKeyMR.UnmarshalBinaryData(data)
	if err != nil {
		return nil, err
	}

	b.PrevLedgerKeyMR = new(fct.Hash)
	data, err = b.PrevLedgerKeyMR.UnmarshalBinaryData(data)
	if err != nil {
		return nil, err
	}

	b.ExchRate, data = binary.BigEndian.Uint64(data[0:8]), data[8:]
	b.DBHeight, data = binary.BigEndian.Uint32(data[0:4]), data[4:]

	skip, data := fct.DecodeVarInt(data) // Skip the Expansion Header, if any, since
	data = data[skip:]                   // we don't know what to do with it.

	cnt, data := binary.BigEndian.Uint32(data[0:4]), data[4:]

	data = data[4:] // Just skip the size... We don't really need it.

	b.Transactions = make([]fct.ITransaction, cnt, cnt)
	for i, _ := range b.endOfPeriod {
		b.endOfPeriod[i] = 0
	}
	var periodMark = 0
	for i := uint32(0); i < cnt; i++ {

		for data[0] == fct.MARKER {
			b.endOfPeriod[periodMark] = int(i)
			data = data[1:]
			periodMark++
		}

		trans := new(fct.Transaction)
		data, err = trans.UnmarshalBinaryData(data)
		if err != nil {
			return nil, fmt.Errorf("Failed to unmarshal a transaction in block.\n" + err.Error())
		}
		b.Transactions[i] = trans
	}

	return data, nil

}
예제 #6
0
func (w *SCWallet) CreateTransaction(time uint64) fct.ITransaction {
	t := new(fct.Transaction)
	t.SetMilliTimestamp(time)
	return t
}
예제 #7
0
func Test_create_genesis_FactoidState(test *testing.T) {
	fmt.Print("\033[2J")

	numBlocks := 5000
	numTransactions := 500
	maxIn := 5
	maxOut := 20
	if testing.Short() {
		fmt.Print("\nDoing Short Tests\n")
		numBlocks = 5
		numTransactions = 20
		maxIn = 5
		maxOut = 5
	}

	// Use Bolt DB
	if !testing.Short() {
		fs.SetDB(new(database.MapDB))
		fs.GetDB().Init()
		db := stateinit.GetDatabase("/tmp/fct_test.db")
		fs.GetDB().SetPersist(db)
		fs.GetDB().SetBacker(db)

		fs.GetDB().DoNotPersist(fct.DB_F_BALANCES)
		fs.GetDB().DoNotPersist(fct.DB_EC_BALANCES)
		fs.GetDB().DoNotPersist(fct.DB_BUILD_TRANS)
		fs.GetDB().DoNotCache(fct.DB_FACTOID_BLOCKS)
		fs.GetDB().DoNotCache(fct.DB_BAD_TRANS)
		fs.GetDB().DoNotCache(fct.DB_TRANSACTIONS)
	} else {
		fs.SetDB(new(database.MapDB))
		fs.GetDB().Init()
	}
	// Set the price for Factoids
	fs.SetFactoshisPerEC(100000)
	err := fs.LoadState()
	if err != nil {
		fct.Prtln("Failed to load:", err)
		test.Fail()
		return
	}
	fs.ProcessEndOfBlock()

	// Make the coinbase very generous
	block.UpdateAmount(100000000000)

	var cnt, max, min, maxblk int
	min = 100000
	// Create a number of blocks (i)
	for i := 0; i < numBlocks; i++ {

		periodMark := 1
		// Create a new block
		for j := cnt; cnt < j+numTransactions; { // Execute for some number RECORDED transactions

			if periodMark <= 10 && cnt%(numTransactions/10) == 0 {
				fs.EndOfPeriod(periodMark)
				periodMark++
			}

			tx := fs.newTransaction(maxIn, maxOut)

			addtest := true
			flip := rand.Int() % 100
			if rand.Int()%100 < 5 { // Mess up the timestamp on 5 percent of the transactions
				addtest = false
				blkts := uint64(fs.GetCurrentBlock().GetCoinbaseTimestamp())
				if flip < 49 { // Flip a coin
					tx.SetMilliTimestamp(blkts - uint64(fct.TRANSACTION_PRIOR_LIMIT) - 1)
					fs.stats.errors["trans too early"] += 1
					fs.stats.full["trans too early"] = "trans too early"
				} else {
					tx.SetMilliTimestamp(blkts + uint64(fct.TRANSACTION_POST_LIMIT) + 1)
					fs.stats.errors["trans too late"] += 1
					fs.stats.full["trans too late"] = "trans too late"
				}
				fs.twallet.SignInputs(tx)
			}

			// Test Marshal/UnMarshal
			m, err := tx.MarshalBinary()
			if err != nil {
				fmt.Println("\n Failed to Marshal: ", err)
				test.Fail()
				return
			}
			if len(m) > max {
				fmt.Print("\033[33;0H")
				max = len(m)
				fmt.Println("Max Transaction", cnt, "is", len(m), "Bytes long. ",
					len(tx.GetInputs()), "inputs and",
					len(tx.GetOutputs()), "outputs and",
					len(tx.GetECOutputs()), "ecoutputs                       ")
				fmt.Print("\033[41;0H")
			}
			if len(m) < min {
				fmt.Print("\033[34;0H")
				min = len(m)
				fmt.Println("Min Transaction", cnt, "is", len(m), "Bytes long. ",
					len(tx.GetInputs()), "inputs and",
					len(tx.GetOutputs()), "outputs and",
					len(tx.GetECOutputs()), "ecoutputs                       ")
				fmt.Print("\033[41;0H")
			}

			k := rand.Int() % (len(m) - 2)
			k++
			good := true
			flip = rand.Int() % 100
			// To simulate bad data, I mess up some of the data here.
			if rand.Int()%100 < 5 { // Mess up 5 percent of the transactions
				good = false
				if flip < 49 { // Flip a coin
					m = m[k:]
					fs.stats.errors["lost start of trans"] += 1
					fs.stats.full["lost start of trans"] = "lost start of trans"
				} else {
					m = m[:k]
					fs.stats.errors["lost end of trans"] += 1
					fs.stats.full["lost end of trans"] = "lost end of trans"
				}
			}

			t := new(fct.Transaction)
			err = t.UnmarshalBinary(m)

			if good && tx.IsEqual(t) != nil {
				fmt.Println("\n\n\n\n\n\nFail valid Unmarshal")
				test.Fail()
				return
			}
			if err == nil {
				if good && err != nil {
					fmt.Println("\n\n\n\n\n\n\nAdded a transaction that should have failed to be added")
					fmt.Println(err)
					test.Fail()
					return
				}
				if !good {
					fmt.Println("\n\n\n\n\n\n\nFailed to add a transaction that should have added")
					test.Fail()
					return
				}
			}

			if good {
				err = fs.AddTransaction(t)
			}
			if !addtest && err == nil {
				ts := int64(t.GetMilliTimestamp())
				bts := int64(fs.GetCurrentBlock().GetCoinbaseTimestamp())
				fmt.Println("\n\n\n\n\n\n\ntimestamp failure ", ts, bts, ts-bts, fct.TRANSACTION_POST_LIMIT)
				test.Fail()
				return
			}
			if !addtest && err == nil {
				fmt.Println("\n\n\n\n\n\n\nfailed to catch error")
				test.Fail()
				return
			}

			if addtest && good && err != nil {
				fmt.Println(err)
				fmt.Println("\n\n\n\n\n\n\n\n\n\nUnmarshal Failed. trans is good",
					"\nand the error detected: ", err,
					"\nand k:", k, "and flip:", flip)
				test.Fail()
				return
			}

			if good && addtest {
				fmt.Print("\033[32;0H")
				fmt.Println("Bad Transactions: ", fs.stats.badAddresses, "   Total transactions: ", cnt, "\r")
				fmt.Print("\033[42;0H")
				time.Sleep(9000)
				cnt += 1
			} else {
				fs.stats.badAddresses += 1
			}

		}
		//
		// Serialization deserialization tests for blocks
		//
		blkdata, err := fs.GetCurrentBlock().MarshalBinary()
		if err != nil {
			test.Fail()
			return
		}
		blk := fs.GetCurrentBlock().GetNewInstance().(block.IFBlock)
		err = blk.UnmarshalBinary(blkdata)
		if err != nil {
			test.Fail()
			return
		}
		if len(blkdata) > maxblk {
			fmt.Printf("\033[%d;%dH", (blk.GetDBHeight())%30+1, (((blk.GetDBHeight())/30)%1)*25+1)
			fmt.Printf("Blk:%6d %8d B ", blk.GetDBHeight(), len(blkdata))
			fmt.Printf("\033[%d;%dH", (blk.GetDBHeight())%30+2, (((blk.GetDBHeight())/30)%1)*25+1)
			fmt.Printf("%24s", "=====================    ")
		}
		//         blk:=fs.GetCurrentBlock()       // Get Current block, but hashes are set by processing.
		fs.ProcessEndOfBlock() // Process the block.
		//         fmt.Println(blk)                // Now print it.

		c := 1
		keys := make([]string, 0, len(fs.stats.errors))
		for k := range fs.stats.errors {
			keys = append(keys, k)
		}
		for i := 0; i < len(keys)-1; i++ {
			for j := 0; j < len(keys)-i-1; j++ {
				if keys[j] < keys[j+1] {
					t := keys[j]
					keys[j] = keys[j+1]
					keys[j+1] = t
				}
			}
		}
		for _, key := range keys {
			cnt := fs.stats.errors[key]
			by := []byte(fs.stats.full[key])
			prt := string(by)
			if len(prt) > 80 {
				prt = string(by[:80]) + "..."
			}
			prt = strings.Replace(prt, "\n", " ", -1)
			fmt.Printf("\033[%d;30H %5d %-83s", c, cnt, prt)
			c++
		}
	}
	fmt.Println("\nDone")
}