Foundry from Zero: The Toolkit Every Smart Contract Developer/Auditor Needs
This title could be clearer and more informative.Try out Clickbait Shieldfor free (5 uses left this month).
A comprehensive beginner-to-intermediate guide to the Foundry smart contract development toolkit. Covers all four Foundry tools (forge, cast, anvil, chisel), project setup, unit testing, fuzz testing with bound() and vm.assume(), VM cheat codes (prank, deal, warp, roll, expectRevert), fork testing against mainnet, code coverage analysis, deployment scripts with four phases, and invariant testing using the handler pattern with ghost variables. Explains stateless vs stateful fuzzing and when to use each testing approach.
Table of contents
Stateless Fuzzing — What it Actually DoesThe Problem With Stateless FuzzingStateful Fuzzing — State PersistsWhat is an Invariant?The Naive Approach — and Why it FailsThe Handler PatternThree Things the Handler DoesThe Invariant Test With a HandlertargetSelector — Controlling Which Functions Get CalledWhen Invariant Testing Finds a BugWhere Invariant Testing Has LimitsThe Full Testing Picture177 Impressions