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Downtime processing method of blockchain consensus node, data persistence method and hardware

A persistent, blockchain technology, applied in the blockchain field to avoid block forks and achieve high robustness

Active Publication Date: 2020-08-11
ALIPAY (HANGZHOU) INFORMATION TECH CO LTD
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  • 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

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  • Downtime processing method of blockchain consensus node, data persistence method and hardware
  • Downtime processing method of blockchain consensus node, data persistence method and hardware
  • Downtime processing method of blockchain consensus node, data persistence method and hardware

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Embodiment Construction

[0030] 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.

[0031] 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 downtime processing method of a blockchain consensus node, a data persistence method and hardware. The method comprises the following steps: after the targetconsensus node of the block chain is down and restarted in the consensus process of the target consensus view, consensus persistence data corresponding to the target consensus view and recorded by the target consensus node before downtime is called, and the consensus persistence data comprises a completion state of the target consensus node in at least one protocol stage under a honey badger Byzantine consensus mechanism. And the target consensus node determines a consensus message needing to be sent when the at least one protocol stage is recovered to the completion state of the corresponding consensus persistent data record. And the target consensus node resends the determined consensus message to other consensus nodes of the block chain based on the logic of the honey badger Byzantineconsensus mechanism.

Description

technical field [0001] This document relates to the field of blockchain technology, and in particular to a downtime processing method, data persistence method and hardware of a blockchain consensus node. 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 downtime processing method, data persistence method and hardware of a bl...

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 廖校均
Owner ALIPAY (HANGZHOU) INFORMATION TECH CO LTD
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