## Guides

Practical guides for common workflows and advanced Foundry patterns.

### Deployment

<Cards>
  <Card title="Deploying Contracts" description="Deploy from local to testnet to mainnet with verification and deterministic addresses." to="/guides/deploying-contracts" />

  <Card title="Browser Wallet Signing" description="Send Cast and Forge transactions through an injected browser wallet." to="/guides/browser-wallet" />

  <Card title="Deterministic Deployments (CREATE2)" description="Deploy to predictable addresses across multiple networks using CREATE2." to="/guides/deterministic-deployments-using-create2" />

  <Card title="Multi-Chain Deployments" description="Deploy the same contracts across multiple networks with per-chain configuration." to="/guides/multi-chain-deployments" />

  <Card title="Upgrading Contracts" description="Implement proxy patterns and verify storage layout compatibility." to="/guides/upgrading-contracts" />
</Cards>

### Testing

<Cards>
  <Card title="Code Coverage" description="Generate accurate summaries, LCOV files, and per-test coverage attribution." to="/guides/coverage" />

  <Card title="Fork Testing" description="Test against live chain state, impersonate accounts, and handle time-sensitive logic." to="/guides/fork-testing" />

  <Card title="Fuzz Corpus Workflow" description="Persist, replay, inspect, minimize, and compare fuzz and invariant corpora." to="/guides/fuzz-corpus" />

  <Card title="Invariant Testing" description="Write effective invariant tests with handler patterns and ghost variables." to="/guides/invariant-testing" />

  <Card title="Symbolic Testing" description="Turn symbolic counterexamples into reproducible tests and durable CI artifacts." to="/guides/symbolic-testing" />

  <Card title="Branching Tree Technique" description="Organize test suites as decision trees and scaffold them with Bulloak." to="/guides/branching-tree-technique" />
</Cards>

### Networks & Payments

<Cards>
  <Card title="Tempo" description="Configure Tempo projects, transactions, tokens, policies, keychains, and debugging." to="/guides/tempo" />

  <Card title="MPP-backed RPC Endpoints" description="Use Foundry with HTTP 402 payment-gated RPC endpoints through MPP." to="/guides/mpp" />
</Cards>

### Debugging & Optimization

<Cards>
  <Card title="Debugging Transactions" description="Replay and debug failed mainnet transactions with trace analysis." to="/guides/debugging-transactions" />

  <Card title="Gas Optimization" description="Profile gas usage and optimize with snapshots and the IR pipeline." to="/guides/gas-optimization" />

  <Card title="Stack Too Deep" description="Understand and fix stack too deep errors with practical solutions." to="/guides/stack-too-deep" />
</Cards>

### Environment

<Cards>
  <Card title="Docker & Containers" description="Run Foundry in Docker for reproducible builds and CI environments." to="/guides/docker" />
</Cards>

### Migrations

<Cards>
  <Card title="Foundry v1.0" description="Breaking changes and upgrade guidance for Foundry v1.0." to="/guides/migrations/foundry-v1" />
</Cards>