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Introduction

Overview Installation Getting Started

Projects

Creating a New Project Clone a Verified Contract Dependencies Soldeer Project Layout

Forge

Tests

Overview Writing Tests Cheatcodes Forge Standard Library Overview Understanding Traces Fork Testing Replaying Failures

Advanced Testing

Overview Fuzz Testing Invariant Testing Differential Testing

Deploying and Verifying

Gas Tracking

Overview Gas Reports Gas Function Snapshots Gas Section Snapshots

Cast

Anvil

Chisel

Configuration

Overview Dynamic Test Linking Continuous Integration Integrating with VSCode Shell Autocompletion Static Analyzers Integrating with Hardhat Vyper support Forge lint

Best Practices Scripting with Solidity Deterministic deployments using CREATE2 Forking Mainnet with Cast and Anvil Running Foundry inside of Docker Video tutorials

References

Forge Commands

Cast Commands

Anvil Reference Chisel Reference

Config Reference

Cheatcodes Reference

Forge Standard Library Reference

fail assertTrue assertFalse assertEq assertEqDecimal assertNotEq assertNotEqDecimal assertLt assertLtDecimal assertGt assertGtDecimal assertLe assertLeDecimal assertGe assertGeDecimal assertApproxEqAbs assertApproxEqAbsDecimal assertApproxEqRel assertApproxEqRelDecimal

skip rewind hoax startHoax deal deployCode deployCodeTo bound changePrank makeAddr makeAddrAndKey noGasMetering assumeNoPrecompiles assumePayable

assertionError arithmeticError divisionError enumConversionError encodeStorageError popError indexOOBError memOverflowError zeroVarError

target sig with_key depth enable_packed_slots checked_write find read

abs delta percentDelta

computeCreateAddress deriveRememberKey

Console Logging

DSTest Reference

Miscellaneous

Announcements v1.0 migration guide Struct Encoding FAQ

Std Math

abs
delta
percentDelta