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Golang DirectoryBlock.BuildKeyMerkleRoot方法代码示例

本文整理汇总了Golang中github.com/FactomProject/FactomCode/common.DirectoryBlock.BuildKeyMerkleRoot方法的典型用法代码示例。如果您正苦于以下问题:Golang DirectoryBlock.BuildKeyMerkleRoot方法的具体用法?Golang DirectoryBlock.BuildKeyMerkleRoot怎么用?Golang DirectoryBlock.BuildKeyMerkleRoot使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在github.com/FactomProject/FactomCode/common.DirectoryBlock的用法示例。


在下文中一共展示了DirectoryBlock.BuildKeyMerkleRoot方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: ProcessDBlockBatch

// 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
}
开发者ID:6londe,项目名称:FactomCode,代码行数:59,代码来源:dblock.go

示例2: validateDBlock

// Validate a dir block
func validateDBlock(c *common.DChain, b *common.DirectoryBlock) (merkleRoot *common.Hash, dbHash *common.Hash, err error) {

	bodyMR, err := b.BuildBodyMR()
	if err != nil {
		return nil, nil, err
	}

	if !b.Header.BodyMR.IsSameAs(bodyMR) {
		return nil, nil, errors.New("Invalid body MR for dir block: " + string(b.Header.DBHeight))
	}

	for _, dbEntry := range b.DBEntries {
		switch dbEntry.ChainID.String() {
		case ecchain.ChainID.String():
			err := validateCBlockByMR(dbEntry.KeyMR)
			if err != nil {
				return nil, nil, err
			}
		case achain.ChainID.String():
			err := validateABlockByMR(dbEntry.KeyMR)
			if err != nil {
				return nil, nil, err
			}
		case wire.FChainID.String():
			err := validateFBlockByMR(dbEntry.KeyMR)
			if err != nil {
				return nil, nil, err
			}
		default:
			err := validateEBlockByMR(dbEntry.ChainID, dbEntry.KeyMR)
			if err != nil {
				return nil, nil, err
			}
		}
	}

	b.DBHash, _ = common.CreateHash(b)
	b.BuildKeyMerkleRoot()

	return b.KeyMR, b.DBHash, nil
}
开发者ID:FactomProject,项目名称:FactomCode,代码行数:42,代码来源:init.go


注:本文中的github.com/FactomProject/FactomCode/common.DirectoryBlock.BuildKeyMerkleRoot方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。