Function DecodeMetaBlock

internal/utils/bfs/meta_block.go:33–52

(blockBytes []byte)

}

func DecodeMetaBlock(blockBytes []byte) (action MetaAction, hash string, data []byte, err error) {
	var dataOffset = 4 /** Len **/ + HashLen + 1 /** Action **/
	if len(blockBytes) < dataOffset {
		err = errors.New("decode failed: invalid block data")
		return
	}

	action = blockBytes[4]
	hash = string(blockBytes[5 : 5+HashLen])

	if action == MetaActionNew {
		var rawData = blockBytes[dataOffset:]
		if len(rawData) > 0 {
			data = make([]byte, len(rawData))
			copy(data, rawData)
		}
	}

	return
}