Crate arb_chainspec 

Arbitrum chain specification and ArbOS version constants.

Defines the ArbOS version progression, hardfork timestamps, and the ArbitrumChainSpec trait for version-gated EVM spec selection.

Modules

arbos_version

ArbOS version constants.

Structs

ArbChainSpec

Simple Arbitrum chain spec.

Constants

ARBITRUM_ONE_CHAIN_ID

Arbitrum One chain ID.

ARBITRUM_SEPOLIA_CANCUN_TIMESTAMP

ARBITRUM_SEPOLIA_CHAIN_ID

Arbitrum Sepolia chain ID.

ARBITRUM_SEPOLIA_PRAGUE_TIMESTAMP

ARBITRUM_SEPOLIA_SHANGHAI_TIMESTAMP

Arbitrum Sepolia hardfork timestamps.

Traits

ArbitrumChainSpec

Trait for Arbitrum chain specifications.

EthChainSpec

Trait representing type configuring a chain spec.

Functions

arbitrum_sepolia_spec_id_by_timestamp

Map timestamp to SpecId for Arbitrum Sepolia.

spec_id_by_arbos_version

Map ArbOS version to the appropriate SpecId.