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fork-testing

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Test against live protocol state using forks.

Software Engineering#testing#foundry#smart-contracts#forge#mainnet#fork-testing#defi-testing
Authorccashwell
Version1.0.0
Installs0

System Documentation

What problem does it solve?

Fork testing lets you run your tests against a snapshot of a live blockchain state, enabling realistic validation of contracts and interactions without deploying mocks.

Core Features & Use Cases

  • Pin forks to a specific mainnet or L2 state using vm.createFork or vm.createSelectFork and reproducible blocks.
  • Impersonate accounts, deal tokens, and simulate DeFi integration flows in a controlled environment.
  • Validate cross-fork scenarios with multi-fork tests and RPC configuration for reliable state replication.

Quick Start

Run Foundry tests in a forked mainnet environment by configuring forge to use an ETH RPC URL and a target block to reproduce live-state conditions.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: fork-testing
Download link: https://github.com/ccashwell/evm-cortex/archive/main.zip#fork-testing

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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