Golang block.FBlock類代碼示例

// FetchAllFBlocks gets all of the factoid blocks
func (db *LevelDb) FetchAllFBlocks() (FBlocks []block.IFBlock, err error) {
	db.dbLock.Lock()
	defer db.dbLock.Unlock()

	var fromkey []byte = []byte{byte(TBL_SC)}   // Table Name (1 bytes)						// Timestamp  (8 bytes)
	var tokey []byte = []byte{byte(TBL_SC + 1)} // Table Name (1 bytes)

	FBlockSlice := make([]block.IFBlock, 0, 10)

	iter := db.lDb.NewIterator(&util.Range{Start: fromkey, Limit: tokey}, db.ro)

	for iter.Next() {
		FBlock := new(block.FBlock)
		_, err := FBlock.UnmarshalBinaryData(iter.Value())
		if err != nil {
			return nil, err
		}

		FBlockSlice = append(FBlockSlice, FBlock)

	}
	iter.Release()
	err = iter.Error()

	return FBlockSlice, nil
}

func getAll() error {
	dbs := make([]*common.DirectoryBlock, 0, 100)
	next := DBHeadStr

	for {
		blk, err := factom.GetRaw(next)
		if err != nil {
			panic(err.Error())
		}
		db := new(common.DirectoryBlock)
		err = db.UnmarshalBinary(blk)
		if err != nil {
			panic(err.Error())
		}
		dbs = append(dbs, db)
		if bytes.Equal(db.Header.PrevKeyMR.Bytes(), DBHeadLast) {
			break
		}
		next = hex.EncodeToString(db.Header.PrevKeyMR.Bytes())
	}

	DBHeadLast = DBHead

	for i := len(dbs) - 1; i >= 0; i-- {
		DirectoryBlocks = append(DirectoryBlocks, dbs[i])
		fb := new(block.FBlock)
		var fcnt int
		for _, dbe := range dbs[i].DBEntries {
			if bytes.Equal(dbe.ChainID.Bytes(), common.FACTOID_CHAINID) {
				fcnt++
				hashstr := hex.EncodeToString(dbe.KeyMR.Bytes())
				fdata, err := factom.GetRaw(hashstr)
				if err != nil {
					panic(err.Error())
				}
				err = fb.UnmarshalBinary(fdata)
				if err != nil {
					panic(err.Error())
				}
				FactoidBlocks = append(FactoidBlocks, fb)
				break
			}
		}
		if fb == nil {
			panic("Missing Factoid Block from a directory block")
		}
		if fcnt > 1 {
			panic("More than one Factom Block found in a directory block.")
		}
		if err := ProcessFB(fb); err != nil {
			return err
		}
	}
	return nil
}

func getAll() error {
	dbs := make([]*common.DirectoryBlock, 0, 100)
	next := DBHeadStr

	for {
		blk, err := factom.GetRaw(next)
		if err != nil {
			panic(err.Error())
		}
		db := new(common.DirectoryBlock)
		err = db.UnmarshalBinary(blk)
		if err != nil {
			panic(err.Error())
		}
		dbs = append(dbs, db)
		if bytes.Equal(db.Header.PrevKeyMR.Bytes(), common.ZERO_HASH[:]) {
			break
		}
		next = hex.EncodeToString(db.Header.PrevKeyMR.Bytes())
	}

	for i := len(dbs) - 1; i >= 0; i-- {
		DirectoryBlocks = append(DirectoryBlocks, dbs[i])
		fb := new(block.FBlock)
		for _, dbe := range dbs[i].DBEntries {
			if bytes.Equal(dbe.ChainID.Bytes(), common.FACTOID_CHAINID) {
				hashstr := hex.EncodeToString(dbe.KeyMR.Bytes())
				fdata, err := factom.GetRaw(hashstr)
				if err != nil {
					panic(err.Error())
				}
				err = fb.UnmarshalBinary(fdata)
				if err != nil {
					panic(err.Error())
				}
				FactoidBlocks = append(FactoidBlocks, fb)
				break
			}
		}
		if fb == nil {
			fmt.Println("Missing Factoid Block")
		}
	}
	return nil
}

//.........這裏部分代碼省略.........

			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()

func ParseFactoidBlock(chainID, hash string, rawBlock []byte, blockTime string) (*Block, error) {
	answer := new(Block)

	fBlock := new(block.FBlock)
	_, err := fBlock.UnmarshalBinaryData(rawBlock)
	if err != nil {
		return nil, err
	}

	answer.ChainID = chainID
	answer.PartialHash = fBlock.GetHash().String()
	answer.FullHash = fBlock.GetLedgerKeyMR().String()
	answer.PrevBlockHash = fmt.Sprintf("%x", fBlock.PrevKeyMR.Bytes())

	transactions := fBlock.GetTransactions()
	answer.EntryCount = len(transactions)
	answer.EntryList = make([]*Entry, answer.EntryCount)
	answer.BinaryString = fmt.Sprintf("%x", rawBlock)
	for i, v := range transactions {
		entry := new(Entry)
		bin, err := v.MarshalBinary()

		if err != nil {
			return nil, err
		}

		entry.BinaryString = fmt.Sprintf("%x", bin)
		entry.Timestamp = TimestampToString(v.GetMilliTimestamp() / 1000)
		entry.Hash = v.GetHash().String()
		entry.ChainID = chainID

		entry.JSONString, err = v.JSONString()
		if err != nil {
			return nil, err
		}
		entry.SpewString = v.Spew()

		answer.EntryList[i] = entry
	}
	answer.JSONString, err = fBlock.JSONString()
	if err != nil {
		return nil, err
	}
	answer.SpewString = fBlock.Spew()
	answer.IsFactoidBlock = true

	return answer, nil
}

func Test_create_block(test *testing.T) {
	w := new(wallet.SCWallet) // make me a wallet
	w.Init()
	w.NewSeed([]byte("slfkjasdlfjasflajsfl"))
	scb := block.NewFBlock(1000, 0)
	cb := w.CreateTransaction(uint64(time.Now().UnixNano() / 1000000))
	scb.AddCoinbase(cb)

	for i := 0; i < 3; i++ {
		h0, err := w.GenerateFctAddress([]byte("test "+cv.Itoa(i)+"-0"), 1, 1)
		if err != nil {
			sc.Prtln("Error 1")
			test.Fail()
		}
		h1, err := w.GenerateFctAddress([]byte("test "+cv.Itoa(i)+"-1"), 1, 1)
		if err != nil {
			sc.Prtln("Error 2")
			test.Fail()
		}
		h2, err := w.GenerateFctAddress([]byte("test "+cv.Itoa(i)+"-2"), 1, 1)
		if err != nil {
			sc.Prtln("Error 3")
			test.Fail()
		}
		h3, err := w.GenerateFctAddress([]byte("test "+cv.Itoa(i)+"-3"), 1, 1)
		if err != nil {
			sc.Prtln("Error 4")
			test.Fail()
		}
		h4, err := w.GenerateFctAddress([]byte("test "+cv.Itoa(i)+"-4"), 1, 1)
		if err != nil {
			sc.Prtln("Error 5")
			test.Fail()
		}
		h5, err := w.GenerateFctAddress([]byte("test "+cv.Itoa(i)+"-5"), 1, 1)
		if err != nil {
			sc.Prtln("Error 6")
			test.Fail()
		}

		t := w.CreateTransaction(uint64(time.Now().UnixNano() / 1000000))

		w.AddInput(t, h1, 1000000)
		w.AddInput(t, h2, 1000000)
		w.AddOutput(t, h3, 1000000)
		w.AddOutput(t, h4, 500000)
		w.AddECOutput(t, h5, 500000)
		w.AddInput(t, h0, 0)
		fee, err := t.CalculateFee(1000)
		w.UpdateInput(t, 2, h0, fee)

		signed, err := w.SignInputs(t)
		if err != nil {
			sc.Prtln("Error found: ", err)
			test.Fail()
			return
		}
		if !signed {
			sc.Prtln("Not valid")
			test.Fail()
			return
		}

		err = scb.AddTransaction(t)
		if err != nil {
			sc.Prtln("Error found: ", err)
			test.Fail()
			return
		}
	}
	data, err := scb.MarshalBinary()
	if err != nil {
		fmt.Println(err)
		test.Fail()
		return
	}
	scb2 := new(block.FBlock)
	_, err = scb2.UnmarshalBinaryData(data)

	fmt.Println("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\n", scb2)

	if err != nil {
		fmt.Println(err)
		test.Fail()
		return
	}
	//sc.Prtln("FIRST\n",scb,"SECOND\n",scb2)
	if scb.IsEqual(scb2) != nil {
		fmt.Println(err)
		test.Fail()
		return
	}

}