Module arbitrum 

Minimal Arbitrum system contract compatibility helpers.

Constants

ARB_BLOCK_NUMBER_GAS_COST

Gas Nitro charges inside ArbSys.arbBlockNumber(): opening the ArbOS state reads its version from storage (800, the EIP-2200 SLOAD cost), and copying the 32-byte result costs 3.

ARB_BLOCK_NUMBER_SELECTOR

ArbSys.arbBlockNumber() selector.

ARB_SYS_ADDRESS

ArbSys system contract address.

Statics

PRECOMPILE_ID_ARB_SYS

ID for the ArbSys precompile.

Functions

arb_block_number_call

Returns the gas cost and ABI-encoded result for ArbSys.arbBlockNumber().

arb_block_number_output

Returns the ABI-encoded result for ArbSys.arbBlockNumber().

arb_sys_precompile

Returns an ArbSys precompile for the provided L2 block number.

arb_sys_precompile_call 🔒

is_arbitrum_chain

Returns whether chain_id is an Arbitrum chain.