Downtime processing method, data persistence method and hardware of block chain consensus node

A persistent and blockchain technology, applied in the blockchain field, achieves high robustness and avoids block forks

Active Publication Date: 2020-12-29
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, data persistence method and hardware of block chain consensus node
  • Downtime processing method, data persistence method and hardware of block chain consensus node
  • Downtime processing method, data persistence method and hardware of block chain consensus node

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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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PUM

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Abstract

The embodiment of this specification provides a downtime processing method of a blockchain consensus node, a data persistence method and hardware. Wherein, the method includes: after the target consensus node of the block chain is down and restarted during the consensus process of the target consensus view, calling the consensus persistent data corresponding to the target consensus view recorded by the target consensus node before the downtime, Wherein, the consensus persistent data includes the completion status of at least one protocol phase of the target consensus node under the Honey Badger Byzantine consensus mechanism. The target consensus node determines the consensus message that needs to be sent when the at least one protocol phase is restored to the completion state of the corresponding consensus persistent data record. The target consensus node resends the determined consensus message to other consensus nodes of the blockchain based on the logic of the Honey Badger Byzantine consensus 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 Patents(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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