state-sync-analysis

Analyze Solidity smart contracts for state synchronization vulnerabilities and timing attacks.

60|18|Updated Jan 21, 2026
One-click install
npx skills add https://github.com/PurpleAILAB/Vigilo --skill state-sync-analysis
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: state-sync-analysis
Source: https://github.com/PurpleAILAB/Vigilo/tree/main/packages/claude/skills/protocol-analysis/state-sync-analysis
Command: npx skills add https://github.com/PurpleAILAB/Vigilo --skill state-sync-analysis

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) and scripts (resource) components.

What problem does it solve?

This Skill identifies potential vulnerabilities in smart contracts arising from state inconsistencies during external calls, which can be exploited by attackers.

Core Features & Use Cases

  • State Dependency Mapping: Visualizes how different contract states and external data sources are interconnected.
  • Inconsistency Window Detection: Pinpoints specific moments during external calls where a contract's state might become temporarily out of sync.
  • Timing Attack Analysis: Identifies risks like read-only reentrancy and cross-contract state races.
  • Use Case: An auditor can use this Skill to automatically flag potential reentrancy vulnerabilities in a DeFi protocol's withdrawal function by analyzing its state update order relative to external token transfers.

Quick Start

Analyze the provided Solidity code for state synchronization issues and potential timing attacks.

Frequently Asked Questions about state-sync-analysis

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I detect read-only reentrancy vulnerabilities in Solidity smart contracts?

To detect read-only reentrancy in Solidity smart contracts, analyze view function dependencies and external call interactions to identify cross-contract state races. This pinpoints specific moments where contract state becomes temporarily out of sync.

What is a CEI violation in smart contract security auditing?

A CEI violation in smart contract security occurs when Checks-Effects-Interactions patterns are broken, causing state update inconsistencies during external calls. Identifying these violations requires analyzing the state update order relative to external token transfers to prevent timing attacks.

How do I analyze state synchronization issues in DeFi protocol withdrawal functions?

Analyzing state synchronization issues in DeFi protocol withdrawal functions involves mapping state dependencies and pinpointing inconsistency windows during external calls. This reveals potential reentrancy vulnerabilities by examining state update order against external token transfers.

Can I use automated analysis to flag cross-contract state manipulation risks?

Yes, you can flag cross-contract state manipulation risks by analyzing smart contract code for state synchronization vulnerabilities and timing attacks. This detects inconsistencies during external calls and cross-contract state races.

Does smart contract auditing require prior state dependency mapping?

Smart contract auditing requires state dependency mapping to visualize how different contract states and external data sources interconnect. This preparation identifies inconsistency windows during external calls and reveals potential timing attack vectors.