예제 #1
0
// Add DBEntry from an SC Block
func (c *DChain) AddFBlockToDBEntry(b block.IFBlock) (err error) {

	dbEntry := &DBEntry{}
	dbEntry.ChainID = new(Hash)
	dbEntry.ChainID.SetBytes(b.GetChainID().Bytes())

	dbEntry.KeyMR = new(Hash)
	dbEntry.KeyMR.SetBytes(b.GetHash().Bytes())

	if len(c.NextBlock.DBEntries) < 3 {
		panic("3 DBEntries not initialized properly for block: " + string(c.NextDBHeight))
	}

	c.BlockMutex.Lock()
	// Ablock is always at the first entry
	// First three entries are ABlock, CBlock, FBlock
	c.NextBlock.DBEntries[2] = dbEntry
	c.BlockMutex.Unlock()

	return nil
}
예제 #2
0
// ProcessFBlockBatch inserts the factoid block
func (db *LevelDb) ProcessFBlockBatch(block block.IFBlock) error {

	if block != nil {
		if db.lbatch == nil {
			db.lbatch = new(leveldb.Batch)
		}

		defer db.lbatch.Reset()

		binaryBlock, err := block.MarshalBinary()
		if err != nil {
			return err
		}

		scHash := block.GetHash()

		// Insert the binary factom block
		var key []byte = []byte{byte(TBL_SC)}
		key = append(key, scHash.Bytes()...)
		db.lbatch.Put(key, binaryBlock)

		// Insert the sc block number cross reference
		key = []byte{byte(TBL_SC_NUM)}
		key = append(key, block.GetChainID().Bytes()...)
		bytes := make([]byte, 4)
		binary.BigEndian.PutUint32(bytes, block.GetDBHeight())
		key = append(key, bytes...)
		db.lbatch.Put(key, scHash.Bytes())

		// Update the chain head reference
		key = []byte{byte(TBL_CHAIN_HEAD)}
		key = append(key, common.FACTOID_CHAINID...)
		db.lbatch.Put(key, scHash.Bytes())

		err = db.lDb.Write(db.lbatch, db.wo)
		if err != nil {
			log.Println("batch failed %v\n", err)
			return err
		}

	}
	return nil
}
예제 #3
0
func (db *LevelDb) ProcessFBlockMultiBatch(block block.IFBlock) error {
	if block == nil {
		return nil
	}

	if db.lbatch == nil {
		return fmt.Errorf("db.lbatch == nil")
	}

	binaryBlock, err := block.MarshalBinary()
	if err != nil {
		return err
	}

	scHash := block.GetHash()

	// Insert the binary factom block
	var key = []byte{byte(TBL_SC)}
	key = append(key, scHash.Bytes()...)
	db.lbatch.Put(key, binaryBlock)

	// Insert the sc block number cross reference
	key = []byte{byte(TBL_SC_NUM)}
	key = append(key, common.FACTOID_CHAINID...)
	bytes := make([]byte, 4)
	binary.BigEndian.PutUint32(bytes, block.GetDBHeight())
	key = append(key, bytes...)
	db.lbatch.Put(key, scHash.Bytes())

	// Update the chain head reference
	key = []byte{byte(TBL_CHAIN_HEAD)}
	key = append(key, common.FACTOID_CHAINID...)
	db.lbatch.Put(key, scHash.Bytes())

	return nil
}