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Blockchain consensus node restart processing method, consensus node and blockchain system

A block chain and consensus technology, applied in the field of block chain, to achieve the effect of less times and storage overhead, and avoid block forks

Pending Publication Date: 2021-01-29
ALIPAY (HANGZHOU) INFORMATION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At this stage, the HoneyBadgerBFT consensus mechanism has not yet been designed to deal with the downtime of consensus nodes during the consensus process

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  • Blockchain consensus node restart processing method, consensus node and blockchain system
  • Blockchain consensus node restart processing method, consensus node and blockchain system
  • Blockchain consensus node restart processing method, consensus node and blockchain system

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Embodiment Construction

[0023] In order to enable those skilled in the art to better understand the technical solutions in this specification, the technical solutions in the embodiments of this specification will be clearly and completely described below in conjunction with the drawings in the embodiments of this specification. Obviously, the described The embodiments are only some of the embodiments in this specification, not all of them. Based on the embodiments in this specification, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of this specification.

[0024] As mentioned earlier, the HoneyBadgerBFT consensus mechanism has not yet been designed to deal with the downtime of consensus nodes during the consensus process. Once the consensus node is restarted during the consensus process, it may cause the consensus to fail to execute, and even result in inconsistent consensus results and block forks. In this cont...

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Abstract

The embodiment of the invention provides a blockchain consensus node restart processing method, a consensus node and a blockchain system. The method comprises the following steps: after a target consensus node is restarted in a target consensus process, calling consensus persistence data of the target consensus recorded in batches by the target consensus node before restarting, wherein the consensus persistence data comprises consensus messages sent and received by the target consensus node in at least one protocol stage of the badger Byzantine consensus mechanism and confirmation response messages which are received by the target consensus node and fed back by other consensus nodes based on the consensus messages sent by the target consensus node; by the target consensus node, determininga completion state of the target consensus node for the target consensus based on a consensus message received and sent by the target consensus node in the consensus persistence data and received confirmation response messages fed back by other consensus nodes based on the consensus message sent by the target consensus node, and recovering to a completion state before restart based on the logic of the badger Byzantine consensus mechanism.

Description

[0001] This document is a divisional application of "Blockchain Consensus Node Restart Processing Method, Consensus Node and Blockchain System". The application number of the parent case is "202010630197.2", and the application date is "July 03, 2020". technical field [0002] This document relates to the field of blockchain technology, and in particular to a restart processing method of a blockchain consensus node, a consensus node and a blockchain system. Background technique [0003] At present, many blockchain systems are based on Byzantine Fault Tolerant (BFT, Byzantine Fault-Tolerant) algorithm to achieve consensus. Honey Badger Byzantine Fault Tolerance (HoneyBadgerBFT), as an emerging asynchronous BFT consensus mechanism, has extremely high processing efficiency by virtue of the advantage of not depending on the time conditions of the network environment, and will develop into a mainstream consensus mechanism in the future. [0004] At this stage, the HoneyBadgerBFT ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14G06F16/27
CPCG06F11/1471G06F11/1438G06F16/27H04L9/50
Inventor 李帅
Owner ALIPAY (HANGZHOU) INFORMATION TECH CO LTD
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