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Restart processing method of blockchain consensus node, consensus node and blockchain system

A blockchain and consensus technology, applied in the blockchain field, to avoid block forks, reduce the number of write operations and storage overhead

Active Publication Date: 2020-10-09
ALIPAY (HANGZHOU) INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At this stage, the HoneyBadgerBFT consensus mechanism has not yet been designed to deal with the downtime of consensus nodes during the consensus process

Method used

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  • Restart processing method of blockchain consensus node, consensus node and blockchain system
  • Restart processing method of blockchain consensus node, consensus node and blockchain system
  • Restart processing method of blockchain consensus node, consensus node and blockchain system

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Embodiment Construction

[0024] 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.

[0025] 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 embodiments of this specification provide a block chain consensus node restart processing method, consensus node and block chain system. Wherein, the method includes: after the target consensus node of the block chain is restarted during the target consensus process, calling the consensus persistent data of the target consensus recorded in batches by the target consensus node before restarting, wherein the consensus is persistent The data includes consensus messages sent and received by the target consensus node in at least one protocol phase of the Honey Badger Byzantine consensus mechanism. The target consensus node determines the completion status of the target consensus node for the target consensus based on the consensus messages sent and received by the target consensus node in the at least one protocol phase in the persistent data. Based on the logic of the Honey Badger Byzantine consensus mechanism, the target consensus node restores to the completion state of the target consensus before restarting.

Description

technical field [0001] 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 [0002] At present, many blockchain systems are based on Byzantine Fault-Tolerant (BFT, Byzantine Fault-Tolerant) algorithm to achieve consensus. 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. [0003] At this stage, the HoneyBadgerBFT consensus mechanism has not yet been designed to deal with the downtime of consensus nodes during the consensus process. Contents of the invention [0004] The purpose of the embodiment of this specification is to provide a restart processing method of a blockchain consensus node, a consensus...

Claims

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Application Information

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Patent Type & Authority Patents(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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