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Using Go language to implement blockchain data query and visualization technology

王林

Jun 03, 2023 am 11:21 AM

go languageBlockchainVisualization

With the widespread application of blockchain technology and the continuous growth of data volume, how to quickly and effectively query and analyze blockchain data has become an important topic. This article will introduce how to use Go language to implement blockchain data query and visualization technology.

Basic knowledge of blockchain

Before introducing the specific implementation plan, let us briefly review the basic knowledge of blockchain. Blockchain is a decentralized distributed database in which data is stored in blocks, and each block contains the hash of the previous block. Due to the decentralized nature of the blockchain, each node has a complete copy of the data, and the consistency of the data is ensured through a consensus mechanism.

Introduction to Go language

Go language is an emerging programming language developed by Google. It has efficient concurrent programming capabilities and good memory management mechanism. It is a language very suitable for developing distributed systems and high-concurrency applications.

Blockchain data query technology

The data storage form in the blockchain is not conducive to direct query, so some special query technology is required. Common blockchain data query technologies include:

(1) Merkle Tree

Merkle Tree is a tree structure used to verify data integrity. In the blockchain, each block contains a Merkle Tree. By calculating the hash value of the leaf node, you can quickly determine whether a block contains a specified transaction.

(2) LevelDB

LevelDB is a lightweight key-value database, often used to store blockchain data. It is characterized by taking up very little disk space and having fast read and write speeds.

(3)SPV

SPV (Simplified Payment Verification) is a lightweight blockchain node that can quickly verify whether a transaction is written to the blockchain. It only downloads the block header and not the complete block data, so it takes up very little storage space.

Blockchain data visualization technology

The data in the blockchain is often very complex, and how to present it requires some special visualization technology. Common blockchain data visualization technologies include:

(1) Charts

Charts are a common visualization technology that can display data in the form of bar charts, line charts, pie charts, etc. Presented.

(2) Map

Map is a visualization technology that presents data based on geographical location. In the blockchain, transaction data can be displayed in map form by correlating it with geographical location.

(3) 3D visualization

3D visualization is a visualization technology that displays data in three-dimensional graphics, which can make the data more intuitive.

Using Go language to implement blockchain data query and visualization technology

When using Go language to implement blockchain data query and visualization technology, we can use some excellent open source library. Here we introduce several commonly used libraries:

(1) go-ethereum

go-ethereum is an Ethereum client based on Go language. It provides a series of API interface can be used to query Ethereum blockchain data.

(2)gRPC

gRPC is an efficient remote procedure call (RPC) framework that allows efficient data interaction between different applications.

(3) Plotly

Plotly is a library that can visualize data and supports drawing scientific charts, statistical charts, financial charts, etc. on Web pages.

(4)Three.js

Three.js is a JavaScript library for creating 3D graphics in a web browser, which can be used to realize the three-dimensional display of blockchain data.

Conclusion

This article introduces how to use Go language to implement blockchain data query and visualization technology. Based on the particularity of blockchain data, we need some special query and visualization technologies to process this data. As an efficient programming language suitable for distributed applications, Go language can well support the development of blockchain applications.

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