基于异构图神经网络的智能合约漏洞检测与修复系统

The smart contract vulnerability detection and repair system based on heterogeneous graph neural networks solves the problems of low detection accuracy, high false alarm rate and insufficient automatic repair capability in existing technologies. It achieves efficient smart contract vulnerability detection and repair, improves detection accuracy and repair success rate, and adapts to new attack patterns.

CN121543093BActive Publication Date: 2026-07-17GUANGDONG UNIV OF TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GUANGDONG UNIV OF TECH
Filing Date
2025-11-11
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies have low accuracy and high false alarm rate in smart contract vulnerability detection, cannot identify complex interactive vulnerabilities, lack automatic repair capabilities, and are poorly adaptable to new attack patterns.

Method used

A smart contract vulnerability detection and repair system based on heterogeneous graph neural networks is adopted. Through contract parsing, multi-layer graph construction, heterogeneous graph neural network module, vulnerability feature library, vulnerability identification engine and automatic repair module, combined with static taint analysis, formal verification and graph convolutional neural network, deep feature information extraction and automatic repair are achieved.

Benefits of technology

It achieves a significant improvement in the accuracy of smart contract vulnerability detection, a reduction in false positive rate, the ability to identify multi-level security risks, a high success rate of automatic repair, strong adaptability, and supports large-scale contract detection and repair.

✦ Generated by Eureka AI based on patent content.

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Abstract

本发明公开了一种基于异构图神经网络的智能合约漏洞检测与修复系统,属于区块链安全技术领域,包括合约解析模块、多层图构建模块、异构图神经网络模块、漏洞特征库、漏洞识别引擎、自动修复模块和可视化界面;智能合约源代码输入后,由合约解析模块完成代码解析与标准化;多层图构建模块基于图论构建合约内部异构图、合约间交互图及生态系统关系图;异构图神经网络模块学习漏洞特征模式;漏洞识别引擎结合漏洞特征库实现漏洞分类与风险评估;自动修复模块生成修复方案;可视化界面实现检测进度监控、结果展示与加密报告导出。本发明提供的一种基于异构图神经网络的智能合约漏洞检测与修复系统为区块链数字资产安全与生态稳定提供技术支撑。
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