Computer Science

Computer Science ›› 2021, Vol. 48 ›› Issue (2): 289-294.doi: 10.11896/jsjkx.200500105

• Information Security • Previous Articles     Next Articles

High-speed Replay of Ethereum Smart Contracts Based on Block Parallel

CHEN Zi-min1, LU Yi-wen2, GUO Yan1   

  1. 1 Suzhou Research Institute,University of Science and Technology of China,Suzhou,Jiangsu 215000,China
    2 SECBIT Lab,Suzhou,Jiangsu 215000,China
  • Received:2020-05-22 Revised:2020-08-21 Online:2021-02-15 Published:2021-02-04
  • About author:CHEN Zi-min,born in 1995,master.His main research interests include blockchain and cryptography.
    GUO Yan,born in 1981,lecturer.Her main research interests include information security,blockchain and NLP.

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Abstract: Analyzing and researching blocks,transactions,accounts,and smart contract data on Ethereum is of great value,but Ethereum has a large amount of data,many types of data,and different storage structures.The current data acquisition methods are slow and the acquired data are incomplete,so it is very difficult to use these data.This paper proposes Geth-query,a fast data export tool for Ethereum based on block parallel.By analyzing the internal mechanism of Ethereum,it uses snapshots of the world state of the block to eliminate dependencies between blocks and optimize the efficiency of local resource utilization to parallel replay block,thus achieving fast and comprehensive extraction of data on the Ethereum chain.Experiments prove that the types of data extracted by Geth-query are rich,and the data export speed is about 10 times faster than traditional methods.For ease of use,this paper also optimizes the storage of the exported data and displays the data on the front-end page,thus providing a data foundation for the analysis and research of Ethereum.

Key words: Data extraction, Ethereum, Parallel replay, Smart contract

CLC Number: 

  • TP315
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