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Blockchain · Major Project
Smart Contract Vulnerability Scanner
Static analysis that flags reentrancy, overflow and access flaws
3-4 weeks build
Overview
Compiles a Solidity file with solc, walks its abstract syntax tree and runs detectors in the spirit of Slither: external calls before state updates, unchecked arithmetic on old compiler versions, missing access modifiers, tx.origin checks and unchecked return values. Findings come back with severity, line and a fix hint, and the report compares results with Slither on a set of deliberately vulnerable contracts.
What makes it stand up
- 01AST-based detectors rather than plain regex
- 02Reentrancy, overflow, tx.origin and access-control checks
- 03Severity, line number and a fix hint per finding
- 04Test suite of deliberately vulnerable contracts
- 05Side-by-side comparison with Slither in the report
Module breakdown
- 01
Compiler
Runs solc and loads the JSON AST.
- 02
Analyser
Walks functions and tracks state reads and writes.
- 03
Detectors
One rule per vulnerability class with its own tests.
- 04
API
FastAPI endpoint that accepts a contract and returns findings.
- 05
Report UI
React view highlighting findings in the source.
After this, you will be able to
- Explain the reentrancy bug behind the DAO hack
- Defend the false-positive trade-offs of static analysis
- Demo scanning a vulnerable contract and its fixed version
Technology stack
- Python
- Solidity
- solc
- FastAPI
- React
- Level
- Major Project
- Domain
- Blockchain
- Build time
- 3-4 weeks
- Difficulty
You receive
- Complete, commented source code
- 60-90 page project report (IEEE format)
- Editable presentation deck
- Architecture, ER and UML diagrams
- Local setup and deployment guide
- Sample dataset or seed data
- Viva question bank with answers
- One 45-minute walkthrough call
- 30 days of doubt-clearing support