예제 #1
0
파일: dblock.go 프로젝트: 6londe/FactomCode
// ProcessDBlockBatche inserts the DBlock and update all it's dbentries in DB
func (db *LevelDb) ProcessDBlockBatch(dblock *common.DirectoryBlock) error {

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

		defer db.lbatch.Reset()

		binaryDblock, err := dblock.MarshalBinary()
		if err != nil {
			return err
		}

		if dblock.DBHash == nil {
			dblock.DBHash = common.Sha(binaryDblock)
		}

		if dblock.KeyMR == nil {
			dblock.BuildKeyMerkleRoot()
		}

		// Insert the binary directory block
		var key []byte = []byte{byte(TBL_DB)}
		key = append(key, dblock.DBHash.Bytes()...)
		db.lbatch.Put(key, binaryDblock)

		// Insert block height cross reference
		var dbNumkey []byte = []byte{byte(TBL_DB_NUM)}
		var buf bytes.Buffer
		binary.Write(&buf, binary.BigEndian, dblock.Header.DBHeight)
		dbNumkey = append(dbNumkey, buf.Bytes()...)
		db.lbatch.Put(dbNumkey, dblock.DBHash.Bytes())

		// Insert the directory block merkle root cross reference
		key = []byte{byte(TBL_DB_MR)}
		key = append(key, dblock.KeyMR.Bytes()...)
		binaryDBHash, _ := dblock.DBHash.MarshalBinary()
		db.lbatch.Put(key, binaryDBHash)

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

		err = db.lDb.Write(db.lbatch, db.wo)
		if err != nil {
			return err
		}

		// Update DirBlock Height cache
		db.lastDirBlkHeight = int64(dblock.Header.DBHeight)
		db.lastDirBlkSha, _ = wire.NewShaHash(dblock.DBHash.Bytes())
		db.lastDirBlkShaCached = true

	}
	return nil
}
예제 #2
0
// pushGetNonDirDataMsg takes the passed DBlock
// and return corresponding data block like Factoid block,
// EC block, Entry block, and Entry
func (p *peer) pushGetNonDirDataMsg(dblock *common.DirectoryBlock) {
	binary, _ := dblock.MarshalBinary()
	commonHash := common.Sha(binary)
	hash, _ := wire.NewShaHash(commonHash.Bytes())

	iv := wire.NewInvVect(wire.InvTypeFactomNonDirBlock, hash)
	gdmsg := wire.NewMsgGetNonDirData()
	gdmsg.AddInvVect(iv)
	if len(gdmsg.InvList) > 0 {
		p.QueueMessage(gdmsg, nil)
	}
}
예제 #3
0
파일: util.go 프로젝트: 6londe/FactomCode
// to export individual block once at a time - for debugging ------------------------
func exportDBlock(block *common.DirectoryBlock) {
	if block == nil || procLog.Level() < factomlog.Info {
		//log.Println("no blocks to save for chain: " + string (*chain.ChainID))
		return
	}

	data, err := block.MarshalBinary()
	if err != nil {
		panic(err)
	}

	strChainID := dchain.ChainID.String()
	if fileNotExists(dataStorePath + strChainID) {
		err := os.MkdirAll(dataStorePath+strChainID, 0777)
		if err == nil {
			procLog.Info("Created directory " + dataStorePath + strChainID)
		} else {
			procLog.Error(err)
		}
	}
	err = ioutil.WriteFile(fmt.Sprintf(dataStorePath+strChainID+"/store.%09d.block", block.Header.DBHeight), data, 0777)
	if err != nil {
		panic(err)
	}

}