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NodeInterface

Query gas estimates and chain data through the NodeInterface.

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The NodeInterface is a virtual contract that exposes gas estimation and chain data that has no Ethereum equivalent.

Overview

The virtual contract at 0xc8, reachable only over RPC.

Reference

Every method, including gas estimation and proof construction.

How is this guide?

Reference

Complete reference for all Arbitrum precompiled contracts, including ArbSys, ArbRetryableTx, ArbGasInfo, ArbAggregator, and more. Lists methods, addresses, Solidity interfaces, and Go implementations.

Overview

Overview of Arbitrum's NodeInterface, a virtual contract at address 0xc8 accessible only via RPCs. Provides gas estimation, proof construction, and other node-level utilities not available onchain.