Block chain data archiving method and device and computer readable storage medium

Abstract

The embodiment of the invention discloses a block chain data archiving method and device and a computer readable storage medium. According to the embodiment of the invention, after a first accountingnode and a consensus node carry out block chain data synchronization, the synchronization block height of the synchronized block chain data is determined, when the synchronous block height reaches theblock height corresponding to the preset archiving point, the first accounting node determines target state data required by the current transaction in the state data, the target state data is backedup; then, a state data snapshot of the synchronization block height is generated according to the backed-up target state data; the state data snapshot, the synchronization block height and the signature information serve as archiving point information and are sent to a second accounting node, the first accounting node receives endorsement information of the second accounting node for the archiving point information, and the first accounting node archives the synchronized block chain data according to the endorsement information and the archiving point information. According to the scheme, thearchiving efficiency and the archiving effect of the block chain data can be improved.

Description

technical field [0001] The present invention relates to the field of communication technology, and in particular to a blockchain data archiving method, device and computer-readable storage medium. Background technique [0002] In recent years, with the development of blockchain technology, the application of blockchain systems in the field of transactions has become more and more extensive. As the running time of the blockchain system increases, the storage space occupied by the blockchain data of each node in the blockchain system will become larger and larger. In order to avoid the block chain data occupying a large space, it is necessary to periodically archive the block chain data. The existing blockchain data archiving method is to periodically generate ledger snapshots, then store the ledger snapshots in a dedicated distributed storage system, and finally store block data such as blocks before the snapshot point, transaction information, and receipts locally Delete t...

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Problems solved by technology

[0003] During the research and practice of the existing technology, the inventors of the present invention found that for the existing blockchain data archiving method, since the blockchain system is still providing transaction services normally when the ledger snapshot is generated, If there is still a transaction when reading and writing snapshots of the state data of the bookkeeping node, it will conflict with the transaction, resulting in failure to read the snapshot or inaccurate data read from the snapshot, and the generated state data snapshot lacks credibility. Therefore, the archiving efficiency and archiving effect of blockchain data will be greatly reduced

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