Module layout 

ArbOS storage layout primitives — subspace keys and slot derivation.

Modules

programs

Partition keys within the programs subspace.

Constants

ADDRESS_TABLE_SUBSPACE

BLOCKHASHES_SUBSPACE

BROTLI_COMPRESSION_LEVEL_OFFSET

CHAIN_CONFIG_SUBSPACE

CHAIN_ID_OFFSET

CHAIN_OWNER_SUBSPACE

COLLECT_TIPS_OFFSET

FEATURES_SUBSPACE

FILTERED_FUNDS_RECIPIENT_OFFSET

GENESIS_BLOCK_NUM_OFFSET

INFRA_FEE_ACCOUNT_OFFSET

L1_PRICING_SUBSPACE

L2_PRICING_SUBSPACE

NATIVE_TOKEN_ENABLED_FROM_TIME_OFFSET

NATIVE_TOKEN_SUBSPACE

NETWORK_FEE_ACCOUNT_OFFSET

PROGRAMS_SUBSPACE

RETRYABLES_SUBSPACE

ROOT_STORAGE_KEY

SEND_MERKLE_SUBSPACE

TRANSACTION_FILTERER_SUBSPACE

TRANSACTION_FILTERING_ENABLED_FROM_TIME_OFFSET

UPGRADE_TIMESTAMP_OFFSET

UPGRADE_VERSION_OFFSET

VERSION_OFFSET

Functions

derive_subspace_key

Derive a subspace storage key from a parent key and child key bytes.

gas_constraints_vec_key

Gas constraints vector key (L2 pricing subspace).

map_slot

Compute the EVM storage slot for an ArbOS field at a given offset within a storage scope defined by storage_key.

map_slot_b256

Compute the EVM storage slot for a B256 key within a storage scope.

root_slot

Compute a root-level ArbOS state slot.

subspace_slot

Compute a slot within a subspace of the root ArbOS state.

vector_element_field

Slot for field offset within element index of a vector.