API Reference

Rust API documentation generated by cargo doc, covering each crate's public types, traits, and functions.

Core Crates

• arbos - Core ArbOS state machine, pricing models, retryable tickets
• arb-evm - Block executor, custom opcode handlers, EVM configuration
• arb-precompiles - Arbitrum system contracts (0x64+)
• arb-stylus - Stylus WASM runtime, ink metering, host I/O
• arb-context - Per-block / per-tx context (BlockCtx, TxCtx) for the EVM and precompiles

Primitives

• arb-primitives - Transaction types, receipts, gas accounting
• arb-storage - Storage-backed types (uint64, address, bytes, queues)
• arb-chainspec - Chain spec, ArbOS version constants

Node Infrastructure

• arb-node - Node builder plugin for reth
• arb-rpc - Custom JSON-RPC methods
• arb-payload - Payload building primitives
• arb-txpool - Transaction pool validation