Command-line options
Arbitrum nodes can be configured using flags. This document provides a comprehensive list of all available flags and their descriptions. The flag descriptions that you see in this document are generated from code comments within the latest Nitro/Classic release.
Nitro Node flags
This is for Arbitrum Nitro Node:
--auth.addr string AUTH-RPC server listening interface (default "127.0.0.1")
--auth.api strings APIs offered over the AUTH-RPC interface (default [validation])
--auth.jwtsecret string Path to file holding JWT secret (32B hex)
--auth.origins strings Origins from which to accept AUTH requests (default [localhost])
--auth.port int AUTH-RPC server listening port (default 8549)
--chain.dev-wallet.account string account to use (default is first account in keystore)
--chain.dev-wallet.only-create-key if true, creates new key then exits
--chain.dev-wallet.password string wallet passphrase (default "PASSWORD_NOT_SET")
--chain.dev-wallet.pathname string pathname for wallet
--chain.dev-wallet.private-key string private key for wallet
--chain.id uint L2 chain ID (determines Arbitrum network)
--chain.info-files strings L2 chain info json files
--chain.info-ipfs-download-path string path to save temp downloaded file (default "/tmp/")
--chain.info-ipfs-url string url to download chain info file
--chain.info-json string L2 chain info in json string format
--chain.name string L2 chain name (determines Arbitrum network)
--conf.dump print out currently active configuration file
--conf.env-prefix string environment variables with given prefix will be loaded as configuration values
--conf.file strings name of configuration file
--conf.reload-interval duration how often to reload configuration (0=disable periodic reloading)
--conf.s3.access-key string S3 access key
--conf.s3.bucket string S3 bucket
--conf.s3.object-key string S3 object key
--conf.s3.region string S3 region
--conf.s3.secret-key string S3 secret key
--conf.string string configuration as JSON string
--file-logging.buf-size int size of intermediate log records buffer (default 512)
--file-logging.compress enable compression of old log files (default true)
--file-logging.enable enable logging to file (default true)
--file-logging.file string path to log file (default "nitro.log")
--file-logging.local-time if true: local time will be used in old log filename timestamps
--file-logging.max-age int maximum number of days to retain old log files based on the timestamp encoded in their filename (0 = no limit)
--file-logging.max-backups int maximum number of old log files to retain (0 = no limit) (default 20)
--file-logging.max-size int log file size in Mb that will trigger log file rotation (0 = trigger disabled) (default 5)
--graphql.corsdomain strings Comma separated list of domains from which to accept cross origin requests (browser enforced)
--graphql.enable Enable graphql endpoint on the rpc endpoint
--graphql.vhosts strings Comma separated list of virtual hostnames from which to accept requests (server enforced). Accepts '*' wildcard (default [localhost])
--http.addr string HTTP-RPC server listening interface
--http.api strings APIs offered over the HTTP-RPC interface (default [net,web3,eth,arb])
--http.corsdomain strings Comma separated list of domains from which to accept cross origin requests (browser enforced)
--http.port int HTTP-RPC server listening port (default 8547)
--http.rpcprefix string HTTP path path prefix on which JSON-RPC is served. Use '/' to serve on all paths
--http.server-timeouts.idle-timeout duration the maximum amount of time to wait for the next request when keep-alives are enabled (http.Server.IdleTimeout) (default 2m0s)
--http.server-timeouts.read-header-timeout duration the amount of time allowed to read the request headers (http.Server.ReadHeaderTimeout) (default 30s)
--http.server-timeouts.read-timeout duration the maximum duration for reading the entire request (http.Server.ReadTimeout) (default 30s)
--http.server-timeouts.write-timeout duration the maximum duration before timing out writes of the response (http.Server.WriteTimeout) (default 30s)
--http.vhosts strings Comma separated list of virtual hostnames from which to accept requests (server enforced). Accepts '*' wildcard (default [localhost])
--init.accounts-per-sync uint during init - sync database every X accounts. Lower value for low-memory systems. 0 disables. (default 100000)
--init.dev-init init with dev data (1 account with balance) instead of file import
--init.dev-init-address string Address of dev-account. Leave empty to use the dev-wallet.
--init.dev-init-blocknum uint Number of preinit blocks. Must exist in ancient database.
--init.download-path string path to save temp downloaded file (default "/tmp/")
--init.download-poll duration how long to wait between polling attempts (default 1m0s)
--init.empty init with empty state
--init.force if true: in case database exists init code will be reexecuted and genesis block compared to database
--init.import-file string path for json data to import
--init.prune string pruning for a given use: "full" for full nodes serving RPC requests, or "validator" for validators
--init.prune-bloom-size uint the amount of memory in megabytes to use for the pruning bloom filter (higher values prune better) (default 2048)
--init.reset-to-message int forces a reset to an old message height. Also set max-reorg-resequence-depth=0 to force re-reading messages (default -1)
--init.then-quit quit after init is done
--init.url string url to download initializtion data - will poll if download fails
--ipc.path string Requested location to place the IPC endpoint. An empty path disables IPC.
--log-level int log level (default 3)
--log-type string log type (plaintext or json) (default "plaintext")
--metrics enable metrics
--metrics-server.addr string metrics server address (default "127.0.0.1")
--metrics-server.port int metrics server port (default 6070)
--metrics-server.update-interval duration metrics server update interval (default 3s)
--node.archive retain past block state (deprecated, please use node.caching.archive)
--node.batch-poster.compression-level int batch compression level (default 11)
--node.batch-poster.das-retention-period duration In AnyTrust mode, the period which DASes are requested to retain the stored batches. (default 360h0m0s)
--node.batch-poster.data-poster.allocate-mempool-balance if true, don't put transactions in the mempool that spend a total greater than the batch poster's balance (default true)
--node.batch-poster.data-poster.dangerous.clear-dbstorage clear database storage
--node.batch-poster.data-poster.legacy-storage-encoding encodes items in a legacy way (as it was before dropping generics) (default true)
--node.batch-poster.data-poster.max-mempool-transactions uint the maximum number of transactions to have queued in the mempool at once (0 = unlimited) (default 10)
--node.batch-poster.data-poster.max-queued-transactions int the maximum number of unconfirmed transactions to track at once (0 = unlimited)
--node.batch-poster.data-poster.max-tip-cap-gwei float the maximum tip cap to post transactions at (default 5)
--node.batch-poster.data-poster.min-fee-cap-gwei float the minimum fee cap to post transactions at
--node.batch-poster.data-poster.min-tip-cap-gwei float the minimum tip cap to post transactions at (default 0.05)
--node.batch-poster.data-poster.nonce-rbf-soft-confs uint the maximum probable reorg depth, used to determine when a transaction will no longer likely need replaced-by-fee (default 1)
--node.batch-poster.data-poster.redis-signer.dangerous.disable-signature-verification disable message signature verification
--node.batch-poster.data-poster.redis-signer.fallback-verification-key string a fallback key used for message verification
--node.batch-poster.data-poster.redis-signer.signing-key string a 32-byte (64-character) hex string used to sign messages, or a path to a file containing it
--node.batch-poster.data-poster.replacement-times string comma-separated list of durations since first posting to attempt a replace-by-fee (default "5m,10m,20m,30m,1h,2h,4h,6h,8h,12h,16h,18h,20h,22h")
--node.batch-poster.data-poster.target-price-gwei float the target price to use for maximum fee cap calculation (default 60)
--node.batch-poster.data-poster.urgency-gwei float the urgency to use for maximum fee cap calculation (default 2)
--node.batch-poster.data-poster.use-db-storage uses database storage when enabled (default true)
--node.batch-poster.data-poster.use-noop-storage uses noop storage, it doesn't store anything
--node.batch-poster.data-poster.wait-for-l1-finality only treat a transaction as confirmed after L1 finality has been achieved (recommended) (default true)
--node.batch-poster.disable-das-fallback-store-data-on-chain If unable to batch to DAS, disable fallback storing data on chain
--node.batch-poster.enable enable posting batches to l1
--node.batch-poster.error-delay duration how long to delay after error posting batch (default 10s)
--node.batch-poster.extra-batch-gas uint use this much more gas than estimation says is necessary to post batches (default 50000)
--node.batch-poster.gas-refunder-address string The gas refunder contract address (optional)
--node.batch-poster.l1-block-bound string only post messages to batches when they're within the max future block/timestamp as of this L1 block tag ("safe", "finalized", "latest", or "ignore" to ignore this check)
--node.batch-poster.l1-block-bound-bypass duration post batches even if not within the layer 1 future bounds if we're within this margin of the max delay (default 1h0m0s)
--node.batch-poster.max-delay duration maximum batch posting delay (default 1h0m0s)
--node.batch-poster.max-size int maximum batch size (default 100000)
--node.batch-poster.parent-chain-wallet.account string account to use (default is first account in keystore)
--node.batch-poster.parent-chain-wallet.only-create-key if true, creates new key then exits
--node.batch-poster.parent-chain-wallet.password string wallet passphrase (default "PASSWORD_NOT_SET")
--node.batch-poster.parent-chain-wallet.pathname string pathname for wallet (default "batch-poster-wallet")
--node.batch-poster.parent-chain-wallet.private-key string private key for wallet
--node.batch-poster.poll-interval duration how long to wait after no batches are ready to be posted before checking again (default 10s)
--node.batch-poster.redis-lock.background-lock should node always try grabing lock in background
--node.batch-poster.redis-lock.key string key for lock (default "node.batch-poster.redis-lock.simple-lock-key")
--node.batch-poster.redis-lock.lockout-duration duration how long lock is held (default 1m0s)
--node.batch-poster.redis-lock.my-id string this node's id prefix when acquiring the lock (optional)
--node.batch-poster.redis-lock.refresh-duration duration how long between consecutive calls to redis (default 10s)
--node.batch-poster.redis-url string if non-empty, the Redis URL to store queued transactions in
--node.batch-poster.wait-for-max-delay wait for the max batch delay, even if the batch is full
--node.block-validator.current-module-root string current wasm module root ('current' read from chain, 'latest' from machines/latest dir, or provide hash) (default "current")
--node.block-validator.dangerous.reset-block-validation resets block-by-block validation, starting again at genesis
--node.block-validator.enable enable block-by-block validation
--node.block-validator.failure-is-fatal failing a validation is treated as a fatal error (default true)
--node.block-validator.forward-blocks uint prepare entries for up to that many blocks ahead of validation (small footprint) (default 1024)
--node.block-validator.pending-upgrade-module-root string pending upgrade wasm module root to additionally validate (hash, 'latest' or empty) (default "latest")
--node.block-validator.prerecorded-blocks uint record that many blocks ahead of validation (larger footprint) (default 128)
--node.block-validator.validation-poll duration poll time to check validations (default 1s)
--node.block-validator.validation-server.arg-log-limit uint limit size of arguments in log entries (default 2048)
--node.block-validator.validation-server.connection-wait duration how long to wait for initial connection
--node.block-validator.validation-server.jwtsecret string path to file with jwtsecret for validation - ignored if url is self or self-auth
--node.block-validator.validation-server.retries uint number of retries in case of failure(0 mean one attempt)
--node.block-validator.validation-server.retry-errors string Errors matching this regular expression are automatically retried
--node.block-validator.validation-server.timeout duration per-response timeout (0-disabled)
--node.block-validator.validation-server.url string url of server, use self for loopback websocket, self-auth for loopback with authentication (default "self-auth")
--node.caching.archive retain past block state
--node.caching.block-age duration minimum age of recent blocks to keep in memory (default 30m0s)
--node.caching.block-count uint minimum number of recent blocks to keep in memory (default 128)
--node.caching.database-cache int amount of memory in megabytes to cache database contents with (default 2048)
--node.caching.max-amount-of-gas-to-skip-state-saving uint maximum amount of gas in blocks to skip saving state to Persistent storage (archive node only) -- warning: this option seems to cause issues
--node.caching.max-number-of-blocks-to-skip-state-saving uint32 maximum number of blocks to skip state saving to persistent storage (archive node only) -- warning: this option seems to cause issues
--node.caching.snapshot-cache int amount of memory in megabytes to cache state snapshots with (default 400)
--node.caching.snapshot-restore-gas-limit uint maximum gas rolled back to recover snapshot (default 300000000000)
--node.caching.trie-clean-cache int amount of memory in megabytes to cache unchanged state trie nodes with (default 600)
--node.caching.trie-dirty-cache int amount of memory in megabytes to cache state diffs against disk with (larger cache lowers database growth) (default 1024)
--node.caching.trie-time-limit duration maximum block processing time before trie is written to hard-disk (default 1h0m0s)
--node.dangerous.no-l1-listener DANGEROUS! disables listening to L1. To be used in test nodes only
--node.data-availability.enable enable Anytrust Data Availability mode
--node.data-availability.ipfs-storage.enable enable storage/retrieval of sequencer batch data from IPFS
--node.data-availability.ipfs-storage.peers strings list of IPFS peers to connect to, eg /ip4/1.2.3.4/tcp/12345/p2p/abc...xyz
--node.data-availability.ipfs-storage.pin-after-get pin sequencer batch data in IPFS (default true)
--node.data-availability.ipfs-storage.pin-percentage float percent of sequencer batch data to pin, as a floating point number in the range 0.0 to 100.0 (default 100)
--node.data-availability.ipfs-storage.profiles string comma separated list of IPFS profiles to use, see https://docs.ipfs.tech/how-to/default-profile
--node.data-availability.ipfs-storage.read-timeout duration timeout for IPFS reads, since by default it will wait forever. Treat timeout as not found (default 1m0s)
--node.data-availability.ipfs-storage.repo-dir string directory to use to store the local IPFS repo
--node.data-availability.panic-on-error whether the Data Availability Service should fail immediately on errors (not recommended)
--node.data-availability.parent-chain-connection-attempts int layer 1 RPC connection attempts (spaced out at least 1 second per attempt, 0 to retry infinitely), only used in standalone daserver; when running as part of a node that node's L1 configuration is used (default 15)
--node.data-availability.parent-chain-node-url string URL for L1 node, only used in standalone daserver; when running as part of a node that node's L1 configuration is used
--node.data-availability.request-timeout duration Data Availability Service timeout duration for Store requests (default 5s)
--node.data-availability.rest-aggregator.enable enable retrieval of sequencer batch data from a list of remote REST endpoints; if other DAS storage types are enabled, this mode is used as a fallback
--node.data-availability.rest-aggregator.max-per-endpoint-stats int number of stats entries (latency and success rate) to keep for each REST endpoint; controls whether strategy is faster or slower to respond to changing conditions (default 20)
--node.data-availability.rest-aggregator.online-url-list string a URL to a list of URLs of REST das endpoints that is checked at startup; additive with the url option
--node.data-availability.rest-aggregator.online-url-list-fetch-interval duration time interval to periodically fetch url list from online-url-list (default 1h0m0s)
--node.data-availability.rest-aggregator.simple-explore-exploit-strategy.exploit-iterations int number of consecutive GetByHash calls to the aggregator where each call will cause it to select from REST endpoints in order of best latency and success rate, before switching to explore mode (default 1000)
--node.data-availability.rest-aggregator.simple-explore-exploit-strategy.explore-iterations int number of consecutive GetByHash calls to the aggregator where each call will cause it to randomly select from REST endpoints until one returns successfully, before switching to exploit mode (default 20)
--node.data-availability.rest-aggregator.strategy string strategy to use to determine order and parallelism of calling REST endpoint URLs; valid options are 'simple-explore-exploit' (default "simple-explore-exploit")
--node.data-availability.rest-aggregator.strategy-update-interval duration how frequently to update the strategy with endpoint latency and error rate data (default 10s)
--node.data-availability.rest-aggregator.sync-to-storage.check-already-exists check if the data already exists in this DAS's storage. Must be disabled for fast sync with an IPFS backend (default true)
--node.data-availability.rest-aggregator.sync-to-storage.delay-on-error duration time to wait if encountered an error before retrying (default 1s)
--node.data-availability.rest-aggregator.sync-to-storage.eager eagerly sync batch data to this DAS's storage from the rest endpoints, using L1 as the index of batch data hashes; otherwise only sync lazily
--node.data-availability.rest-aggregator.sync-to-storage.eager-lower-bound-block uint when eagerly syncing, start indexing forward from this L1 block. Only used if there is no sync state
--node.data-availability.rest-aggregator.sync-to-storage.ignore-write-errors log only on failures to write when syncing; otherwise treat it as an error (default true)
--node.data-availability.rest-aggregator.sync-to-storage.parent-chain-blocks-per-read uint when eagerly syncing, max l1 blocks to read per poll (default 100)
--node.data-availability.rest-aggregator.sync-to-storage.retention-period duration period to retain synced data (defaults to forever) (default 2562047h47m16.854775807s)
--node.data-availability.rest-aggregator.sync-to-storage.state-dir string directory to store the sync state in, ie the block number currently synced up to, so that we don't sync from scratch each time
--node.data-availability.rest-aggregator.urls strings list of URLs including 'http://' or 'https://' prefixes and port numbers to REST DAS endpoints; additive with the online-url-list option
--node.data-availability.rest-aggregator.wait-before-try-next duration time to wait until trying the next set of REST endpoints while waiting for a response; the next set of REST endpoints is determined by the strategy selected (default 2s)
--node.data-availability.rpc-aggregator.assumed-honest int Number of assumed honest backends (H). If there are N backends, K=N+1-H valid responses are required to consider an Store request to be successful.
--node.data-availability.rpc-aggregator.backends string JSON RPC backend configuration
--node.data-availability.rpc-aggregator.enable enable storage/retrieval of sequencer batch data from a list of RPC endpoints; this should only be used by the batch poster and not in combination with other DAS storage types
--node.data-availability.sequencer-inbox-address string L1 address of SequencerInbox contract
--node.delayed-sequencer.enable enable delayed sequencer
--node.delayed-sequencer.finalize-distance int how many blocks in the past L1 block is considered final (ignored when using Merge finality) (default 20)
--node.delayed-sequencer.require-full-finality whether to wait for full finality before sequencing delayed messages
--node.delayed-sequencer.use-merge-finality whether to use The Merge's notion of finality before sequencing delayed messages (default true)
--node.feed.input.enable-compression enable per message deflate compression support (default true)
--node.feed.input.reconnect-initial-backoff duration initial duration to wait before reconnect (default 1s)
--node.feed.input.reconnect-maximum-backoff duration maximum duration to wait before reconnect (default 1m4s)
--node.feed.input.require-chain-id require chain id to be present on connect
--node.feed.input.require-feed-version require feed version to be present on connect
--node.feed.input.timeout duration duration to wait before timing out connection to sequencer feed (default 20s)
--node.feed.input.url strings URL of sequencer feed source
--node.feed.input.verify.accept-sequencer accept verified message from sequencer (default true)
--node.feed.input.verify.allowed-addresses stringArray a list of allowed addresses
--node.feed.input.verify.dangerous.accept-missing accept empty as valid signature (default true)
--node.feed.output.addr string address to bind the relay feed output to
--node.feed.output.client-delay duration delay the first messages sent to each client by this amount
--node.feed.output.client-timeout duration duration to wait before timing out connections to client (default 15s)
--node.feed.output.connection-limits.enable enable broadcaster per-client connection limiting
--node.feed.output.connection-limits.per-ip-limit int limit clients, as identified by IPv4/v6 address, to this many connections to this relay (default 5)
--node.feed.output.connection-limits.per-ipv6-cidr-48-limit int limit ipv6 clients, as identified by IPv6 address masked with /48, to this many connections to this relay (default 20)
--node.feed.output.connection-limits.per-ipv6-cidr-64-limit int limit ipv6 clients, as identified by IPv6 address masked with /64, to this many connections to this relay (default 10)
--node.feed.output.connection-limits.reconnect-cooldown-period duration time to wait after a relay client disconnects before the disconnect is registered with respect to the limit for this client
--node.feed.output.disable-signing don't sign feed messages (default true)
--node.feed.output.enable enable broadcaster
--node.feed.output.enable-compression enable per message deflate compression support (default true)
--node.feed.output.handshake-timeout duration duration to wait before timing out HTTP to WS upgrade (default 1s)
--node.feed.output.limit-catchup only supply catchup buffer if requested sequence number is reasonable
--node.feed.output.log-connect log every client connect
--node.feed.output.log-disconnect log every client disconnect
--node.feed.output.max-catchup int the maximum size of the catchup buffer (-1 means unlimited) (default -1)
--node.feed.output.max-send-queue int maximum number of messages allowed to accumulate before client is disconnected (default 4096)
--node.feed.output.ping duration duration for ping interval (default 5s)
--node.feed.output.port string port to bind the relay feed output to (default "9642")
--node.feed.output.queue int queue size for HTTP to WS upgrade (default 100)
--node.feed.output.read-timeout duration duration to wait before timing out reading data (i.e. pings) from clients (default 1s)
--node.feed.output.require-compression require clients to use compression
--node.feed.output.require-version don't connect if client version not present
--node.feed.output.signed sign broadcast messages
--node.feed.output.workers int number of threads to reserve for HTTP to WS upgrade (default 100)
--node.feed.output.write-timeout duration duration to wait before timing out writing data to clients (default 2s)
--node.forwarder.connection-timeout duration total time to wait before cancelling connection (default 30s)
--node.forwarder.idle-connection-timeout duration time until idle connections are closed (default 15s)
--node.forwarder.max-idle-connections int maximum number of idle connections to keep open (default 1)
--node.forwarder.redis-url string the Redis URL to recomend target via
--node.forwarder.retry-interval duration minimal time between update retries (default 100ms)
--node.forwarder.update-interval duration forwarding target update interval (default 1s)
--node.forwarding-target string transaction forwarding target URL, or "null" to disable forwarding (if not sequencer)
--node.inbox-reader.check-delay duration the maximum time to wait between inbox checks (if not enough new blocks are found) (default 1m0s)
--node.inbox-reader.default-blocks-to-read uint the default number of blocks to read at once (will vary based on traffic by default) (default 100)
--node.inbox-reader.delay-blocks uint number of latest blocks to ignore to reduce reorgs
--node.inbox-reader.hard-reorg erase future transactions in addition to overwriting existing ones on reorg
--node.inbox-reader.max-blocks-to-read uint if adjust-blocks-to-read is enabled, the maximum number of blocks to read at once (default 2000)
--node.inbox-reader.min-blocks-to-read uint the minimum number of blocks to read at once (when caught up lowers load on L1) (default 1)
--node.inbox-reader.target-messages-read uint if adjust-blocks-to-read is enabled, the target number of messages to read at once (default 500)
--node.maintenance.lock.background-lock should node always try grabing lock in background
--node.maintenance.lock.key string key for lock (default "node.maintenance.lock.simple-lock-key")
--node.maintenance.lock.lockout-duration duration how long lock is held (default 1m0s)
--node.maintenance.lock.my-id string this node's id prefix when acquiring the lock (optional)
--node.maintenance.lock.refresh-duration duration how long between consecutive calls to redis (default 10s)
--node.maintenance.time-of-day string UTC 24-hour time of day to run maintenance (currently only db compaction) at (e.g. 15:00)
--node.message-pruner.enable enable message pruning (default true)
--node.message-pruner.min-batches-left uint min number of batches not pruned (default 2)
--node.message-pruner.prune-interval duration interval for running message pruner (default 1m0s)
--node.parent-chain-reader.enable enable reader connection (default true)
--node.parent-chain-reader.old-header-timeout duration warns if the latest l1 block is at least this old (default 5m0s)
--node.parent-chain-reader.poll-interval duration interval when polling endpoint (default 15s)
--node.parent-chain-reader.poll-only do not attempt to subscribe to header events
--node.parent-chain-reader.tx-timeout duration timeout when waiting for a transaction (default 5m0s)
--node.parent-chain-reader.use-finality-data use l1 data about finalized/safe blocks (default true)
--node.recording-database.trie-clean-cache int like trie-clean-cache for the separate, recording database (used for validation) (default 16)
--node.recording-database.trie-dirty-cache int like trie-dirty-cache for the separate, recording database (used for validation) (default 1024)
--node.resource-mgmt.mem-free-limit string RPC calls are throttled if free system memory excluding the page cache is below this amount, expressed in bytes or multiples of bytes with suffix B, K, M, G. The limit should be set such that sufficient free memory is left for the page cache in order for the system to be performant
--node.rpc.arbdebug.block-range-bound uint bounds the number of blocks arbdebug calls may return (default 256)
--node.rpc.arbdebug.timeout-queue-bound uint bounds the length of timeout queues arbdebug calls may return (default 512)
--node.rpc.bloom-bits-blocks uint number of blocks a single bloom bit section vector holds (default 16384)
--node.rpc.bloom-confirms uint number of confirmation blocks before a bloom section is considered final (default 256)
--node.rpc.classic-redirect string url to redirect classic requests, use "error:[CODE:]MESSAGE" to return specified error instead of redirecting
--node.rpc.classic-redirect-timeout duration timeout for forwarded classic requests, where 0 = no timeout
--node.rpc.evm-timeout duration timeout used for eth_call (0=infinite) (default 5s)
--node.rpc.feehistory-max-block-count uint max number of blocks a fee history request may cover (default 1024)
--node.rpc.filter-log-cache-size int log filter system maximum number of cached blocks (default 32)
--node.rpc.filter-timeout duration log filter system maximum time filters stay active (default 5m0s)
--node.rpc.gas-cap uint cap on computation gas that can be used in eth_call/estimateGas (0=infinite) (default 50000000)
--node.rpc.max-recreate-state-depth int maximum depth for recreating state, measured in l2 gas (0=don't recreate state, -1=infinite, -2=use default value for archive or non-archive node (whichever is configured)) (default -2)
--node.rpc.tx-allow-unprotected allow transactions that aren't EIP-155 replay protected to be submitted over the RPC (default true)
--node.rpc.tx-fee-cap float cap on transaction fee (in ether) that can be sent via the RPC APIs (0 = no cap) (default 1)
--node.seq-coordinator.chosen-healthcheck-addr string if non-empty, launch an HTTP service binding to this address that returns status code 200 when chosen and 503 otherwise
--node.seq-coordinator.enable enable sequence coordinator
--node.seq-coordinator.handoff-timeout duration the maximum amount of time to spend waiting for another sequencer to accept the lockout when handing it off on shutdown or db compaction (default 30s)
--node.seq-coordinator.lockout-duration duration (default 1m0s)
--node.seq-coordinator.lockout-spare duration (default 30s)
--node.seq-coordinator.msg-per-poll uint will only be marked as wanting the lockout if not too far behind (default 2000)
--node.seq-coordinator.my-url string url for this sequencer if it is the chosen (default "<?INVALID-URL?>")
--node.seq-coordinator.redis-url string the Redis URL to coordinate via
--node.seq-coordinator.release-retries int the number of times to retry releasing the wants lockout and chosen one status on shutdown (default 4)
--node.seq-coordinator.retry-interval duration (default 50ms)
--node.seq-coordinator.safe-shutdown-delay duration if non-zero will add delay after transferring control (default 5s)
--node.seq-coordinator.seq-num-duration duration (default 24h0m0s)
--node.seq-coordinator.signer.ecdsa.accept-sequencer accept verified message from sequencer (default true)
--node.seq-coordinator.signer.ecdsa.allowed-addresses stringArray a list of allowed addresses
--node.seq-coordinator.signer.ecdsa.dangerous.accept-missing accept empty as valid signature (default true)
--node.seq-coordinator.signer.symmetric-fallback if to fall back to symmetric hmac
--node.seq-coordinator.signer.symmetric-sign if to sign with symmetric hmac
--node.seq-coordinator.signer.symmetric.dangerous.disable-signature-verification disable message signature verification
--node.seq-coordinator.signer.symmetric.fallback-verification-key string a fallback key used for message verification
--node.seq-coordinator.signer.symmetric.signing-key string a 32-byte (64-character) hex string used to sign messages, or a path to a file containing it
--node.seq-coordinator.update-interval duration (default 250ms)
--node.sequencer.dangerous.no-coordinator DANGEROUS! allows sequencer without coordinator.
--node.sequencer.enable act and post to l1 as sequencer
--node.sequencer.forwarder.connection-timeout duration total time to wait before cancelling connection (default 30s)
--node.sequencer.forwarder.idle-connection-timeout duration time until idle connections are closed (default 1m0s)
--node.sequencer.forwarder.max-idle-connections int maximum number of idle connections to keep open (default 100)
--node.sequencer.forwarder.redis-url string the Redis URL to recomend target via
--node.sequencer.forwarder.retry-interval duration minimal time between update retries (default 100ms)
--node.sequencer.forwarder.update-interval duration forwarding target update interval (default 1s)
--node.sequencer.max-acceptable-timestamp-delta duration maximum acceptable time difference between the local time and the latest L1 block's timestamp (default 1h0m0s)
--node.sequencer.max-block-speed duration minimum delay between blocks (sets a maximum speed of block production) (default 100ms)
--node.sequencer.max-revert-gas-reject uint maximum gas executed in a revert for the sequencer to reject the transaction instead of posting it (anti-DOS) (default 31000)
--node.sequencer.max-tx-data-size int maximum transaction size the sequencer will accept (default 95000)
--node.sequencer.nonce-cache-size int size of the tx sender nonce cache (default 1024)
--node.sequencer.nonce-failure-cache-expiry duration maximum amount of time to wait for a predecessor before rejecting a tx with nonce too high (default 1s)
--node.sequencer.nonce-failure-cache-size int number of transactions with too high of a nonce to keep in memory while waiting for their predecessor (default 1024)
--node.sequencer.queue-size int size of the pending tx queue (default 1024)
--node.sequencer.queue-timeout duration maximum amount of time transaction can wait in queue (default 12s)
--node.sequencer.sender-whitelist string comma separated whitelist of authorized senders (if empty, everyone is allowed)
--node.staker.confirmation-blocks int confirmation blocks (default 12)
--node.staker.contract-wallet-address string validator smart contract wallet public address
--node.staker.dangerous.ignore-rollup-wasm-module-root DANGEROUS! make assertions even when the wasm module root is wrong
--node.staker.dangerous.without-block-validator DANGEROUS! allows running an L1 validator without a block validator
--node.staker.data-poster.allocate-mempool-balance if true, don't put transactions in the mempool that spend a total greater than the batch poster's balance (default true)
--node.staker.data-poster.dangerous.clear-dbstorage clear database storage
--node.staker.data-poster.legacy-storage-encoding encodes items in a legacy way (as it was before dropping generics) (default true)
--node.staker.data-poster.max-mempool-transactions uint the maximum number of transactions to have queued in the mempool at once (0 = unlimited) (default 10)
--node.staker.data-poster.max-queued-transactions int the maximum number of unconfirmed transactions to track at once (0 = unlimited)
--node.staker.data-poster.max-tip-cap-gwei float the maximum tip cap to post transactions at (default 5)
--node.staker.data-poster.min-fee-cap-gwei float the minimum fee cap to post transactions at
--node.staker.data-poster.min-tip-cap-gwei float the minimum tip cap to post transactions at (default 0.05)
--node.staker.data-poster.nonce-rbf-soft-confs uint the maximum probable reorg depth, used to determine when a transaction will no longer likely need replaced-by-fee (default 1)
--node.staker.data-poster.redis-signer.dangerous.disable-signature-verification disable message signature verification
--node.staker.data-poster.redis-signer.fallback-verification-key string a fallback key used for message verification
--node.staker.data-poster.redis-signer.signing-key string a 32-byte (64-character) hex string used to sign messages, or a path to a file containing it
--node.staker.data-poster.replacement-times string comma-separated list of durations since first posting to attempt a replace-by-fee (default "5m,10m,20m,30m,1h,2h,4h,6h,8h,12h,16h,18h,20h,22h")
--node.staker.data-poster.target-price-gwei float the target price to use for maximum fee cap calculation (default 60)
--node.staker.data-poster.urgency-gwei float the urgency to use for maximum fee cap calculation (default 2)
--node.staker.data-poster.use-db-storage uses database storage when enabled (default true)
--node.staker.data-poster.use-noop-storage uses noop storage, it doesn't store anything
--node.staker.data-poster.wait-for-l1-finality only treat a transaction as confirmed after L1 finality has been achieved (recommended) (default true)
--node.staker.disable-challenge disable validator challenge
--node.staker.enable enable validator (default true)
--node.staker.extra-gas uint use this much more gas than estimation says is necessary to post transactions (default 50000)
--node.staker.gas-refunder-address string The gas refunder contract address (optional)
--node.staker.make-assertion-interval duration if configured with the makeNodes strategy, how often to create new assertions (bypassed in case of a dispute) (default 1h0m0s)
--node.staker.only-create-wallet-contract only create smart wallet contract and exit
--node.staker.parent-chain-wallet.account string account to use (default is first account in keystore)
--node.staker.parent-chain-wallet.only-create-key if true, creates new key then exits
--node.staker.parent-chain-wallet.password string wallet passphrase (default "PASSWORD_NOT_SET")
--node.staker.parent-chain-wallet.pathname string pathname for wallet (default "validator-wallet")
--node.staker.parent-chain-wallet.private-key string private key for wallet
--node.staker.posting-strategy.high-gas-delay-blocks int high gas delay blocks
--node.staker.posting-strategy.high-gas-threshold float high gas threshold
--node.staker.redis-lock.background-lock should node always try grabing lock in background
--node.staker.redis-lock.key string key for lock (default "node.staker.redis-lock.simple-lock-key")
--node.staker.redis-lock.lockout-duration duration how long lock is held (default 1m0s)
--node.staker.redis-lock.my-id string this node's id prefix when acquiring the lock (optional)
--node.staker.redis-lock.refresh-duration duration how long between consecutive calls to redis (default 10s)
--node.staker.redis-url string redis url for L1 validator
--node.staker.staker-interval duration how often the L1 validator should check the status of the L1 rollup and maybe take action with its stake (default 1m0s)
--node.staker.start-validation-from-staked assume staked nodes are valid (default true)
--node.staker.strategy string L1 validator strategy, either watchtower, defensive, stakeLatest, or makeNodes (default "Watchtower")
--node.staker.use-smart-contract-wallet use a smart contract wallet instead of an EOA address
--node.sync-monitor.block-build-lag uint allowed lag between messages read and blocks built (default 20)
--node.sync-monitor.block-build-sequencer-inbox-lag uint allowed lag between messages read from sequencer inbox and blocks built
--node.sync-monitor.coordinator-msg-lag uint allowed lag between local and remote messages (default 15)
--node.transaction-streamer.execute-message-loop-delay duration delay when polling calls to execute messages (default 100ms)
--node.transaction-streamer.max-broadcaster-queue-size int maximum cache of pending broadcaster messages (default 1024)
--node.transaction-streamer.max-reorg-resequence-depth int maximum number of messages to attempt to resequence on reorg (0 = never resequence, -1 = always resequence) (default 1024)
--node.tx-lookup-limit uint retain the ability to lookup transactions by hash for the past N blocks (0 = all blocks) (default 126230400)
--node.tx-pre-checker.required-state-age int how long ago should the storage conditions from eth_SendRawTransactionConditional be true, 0 = don't check old state (default 2)
--node.tx-pre-checker.required-state-max-blocks uint maximum number of blocks to look back while looking for the <required-state-age> seconds old state, 0 = don't limit the search (default 4)
--node.tx-pre-checker.strictness uint how strict to be when checking txs before forwarding them. 0 = accept anything, 10 = should never reject anything that'd succeed, 20 = likely won't reject anything that'd succeed, 30 = full validation which may reject txs that would succeed
--parent-chain.connection.arg-log-limit uint limit size of arguments in log entries
--parent-chain.connection.connection-wait duration how long to wait for initial connection (default 1m0s)
--parent-chain.connection.jwtsecret string path to file with jwtsecret for validation - ignored if url is self or self-auth
--parent-chain.connection.retries uint number of retries in case of failure(0 mean one attempt) (default 2)
--parent-chain.connection.retry-errors string Errors matching this regular expression are automatically retried
--parent-chain.connection.timeout duration per-response timeout (0-disabled) (default 1m0s)
--parent-chain.connection.url string url of server, use self for loopback websocket, self-auth for loopback with authentication
--parent-chain.id uint if set other than 0, will be used to validate database and L1 connection
--parent-chain.wallet.account string account to use (default is first account in keystore)
--parent-chain.wallet.only-create-key if true, creates new key then exits
--parent-chain.wallet.password string wallet passphrase (default "PASSWORD_NOT_SET")
--parent-chain.wallet.pathname string pathname for wallet (default "wallet")
--parent-chain.wallet.private-key string private key for wallet
--persistent.ancient string directory of ancient where the chain freezer can be opened
--persistent.chain string directory to store chain state
--persistent.db-engine string backing database implementation to use ('leveldb' or 'pebble') (default "leveldb")
--persistent.global-config string directory to store global config (default ".arbitrum")
--persistent.handles int number of file descriptor handles to use for the database (default 512)
--persistent.log-dir string directory to store log file
--pprof enable pprof
--pprof-cfg.addr string pprof server address (default "127.0.0.1")
--pprof-cfg.port int pprof server port (default 6071)
--rpc.max-batch-response-size int the maximum response size for a JSON-RPC request measured in bytes (-1 means no limit) (default 10000000)
--validation.api-auth validate is an authenticated API (default true)
--validation.api-public validate is a public API
--validation.arbitrator.execution-run-timeout duration timeout before discarding execution run (default 15m0s)
--validation.arbitrator.execution.cached-challenge-machines int how many machines to store in cache while working on a challenge (should be even) (default 4)
--validation.arbitrator.execution.initial-steps uint initial steps between machines (default 100000)
--validation.arbitrator.output-path string path to write machines to (default "./target/output")
--validation.arbitrator.workers int number of concurrent validation threads
--validation.jit.cranelift use Cranelift instead of LLVM when validating blocks using the jit-accelerated block validator (default true)
--validation.jit.workers int number of concurrent validation threads
--validation.use-jit use jit for validation (default true)
--validation.wasm.root-path string path to machine folders, each containing wasm files (machine.wavm.br, replay.wasm)
--ws.addr string WS-RPC server listening interface
--ws.api strings APIs offered over the WS-RPC interface (default [net,web3,eth,arb])
--ws.expose-all expose private api via websocket
--ws.origins strings Origins from which to accept websockets requests
--ws.port int WS-RPC server listening port (default 8548)
--ws.rpcprefix string WS path path prefix on which JSON-RPC is served. Use '/' to serve on all paths
Version: v2.1.1-e9d8842
Classic Node
This is for Arbitrum Classic Node:
Usage of :
--bridge-utils-address string bridgeutils contract address
--conf.dump print out currently active configuration file
--conf.env-prefix string environment variables with given prefix will be loaded as configuration values
--conf.file string name of configuration file
--conf.s3.access-key string S3 access key
--conf.s3.bucket string S3 bucket
--conf.s3.object-key string S3 object key
--conf.s3.region string S3 region
--conf.s3.secret-key string S3 secret key
--conf.string string configuration as JSON string
--core.add-messages-max-failure-count int number of add messages failures before exiting program (default 10)
--core.cache.basic-interval int amount of gas to wait between saving to basic cache (default 100000000)
--core.cache.basic-size int number of basic cache entries to save (default 100)
--core.cache.disable disable saving to cache while in core thread
--core.cache.last whether to always cache the machine from last block
--core.cache.lru-size int number of recently used L2 blocks to hold in lru memory cache (default 1000)
--core.cache.seed-on-startup seed cache on startup by re-executing timed-expire worth of history
--core.cache.timed-expire duration length of time to hold L2 blocks in arbcore timed memory cache (default 20m0s)
--core.checkpoint-gas-frequency int amount of gas between saving checkpoints (default 1000000000)
--core.checkpoint-load-gas-cost int running machine for given gas takes same amount of time as loading database entry (default 250000000)
--core.checkpoint-load-gas-factor int factor to weight difference in database checkpoint vs cache checkpoint (default 4)
--core.checkpoint-max-execution-gas int maximum amount of gas any given checkpoint is allowed to execute (default 250000000)
--core.checkpoint-max-to-prune int number of checkpoints to delete at a time, 0 for no limit (default 2)
--core.checkpoint-prune-on-startup perform full database pruning on startup
--core.checkpoint-pruning-mode string Prune old checkpoints: 'on', 'off', or 'default' (default "default")
--core.database.compact perform database compaction
--core.database.exit-after exit after loading or manipulating database
--core.database.metadata just print database metadata and exit
--core.database.save-interval duration duration between saving database backups, 0 to disable
--core.database.save-on-startup save database backup on start
--core.database.save-path string path to save database backups in (default "db_checkpoints")
--core.debug print extra debug messages in arbcore
--core.debug-timing print extra debug timing messages in arbcore
--core.deliver-messages-max-failure-count int number of deliver messages failures before exiting program (default 50)
--core.idle-sleep duration how long core thread should sleep when idle (default 5ms)
--core.lazy-load-archive-queries if the archive queries should be loaded as they're run (default true)
--core.lazy-load-core-machine if the core machine should be loaded as it's run
--core.message-process-count int maximum number of messages to process at a time (default 100)
--core.test.load-count int number of snapshots to load from database for profile test, zero to disable
--core.test.reorg-to.l1-block int reorg to snapshot with given L1 block or before, zero to disable
--core.test.reorg-to.l2-block int reorg to snapshot with given L2 block or before, zero to disable
--core.test.reorg-to.log int reorg to snapshot with given log or before, zero to disable
--core.test.reorg-to.message int reorg to snapshot with given message or before, zero to disable
--core.test.reset-all-except-inbox remove all database info except for inbox
--core.test.run-until int run until gas is reached for profile test, zero to disable
--core.thread-max-failure-count int number of core thread failures before exiting program (default 2)
--core.yield-instruction-count int number of instructions to for core thread to run between calling yield (default 50000000)
--feed.input.require-chain-id disconnect if Chain-Id HTTP header not present
--feed.input.timeout duration duration to wait before timing out connection to server (default 20s)
--feed.input.url strings URL of sequencer feed source
--feed.output.addr string address to bind the relay feed output to (default "0.0.0.0")
--feed.output.client-timeout duration duration to wait before timing out connections to client (default 15s)
--feed.output.io-timeout duration duration to wait before timing out HTTP to WS upgrade (default 5s)
--feed.output.max-send-queue int Maximum number of messages allowed to accumulate before client is disconnected (default 4096)
--feed.output.ping duration duration for ping interval (default 5s)
--feed.output.port string port to bind the relay feed output to (default "9642")
--feed.output.require-version disconnect if Arbitrum-Feed-Version HTTP header not present
--feed.output.workers int Number of threads to reserve for HTTP to WS upgrade (default 100)
--gas-price float float of gas price to use in gwei (0 = use L1 node's recommended value)
--healthcheck.addr string address to bind the healthcheck endpoint to
--healthcheck.enable enable healthcheck endpoint
--healthcheck.l1-node enable checking the health of the L1 node
--healthcheck.metrics enable prometheus endpoint
--healthcheck.metrics-prefix string prepend the specified prefix to the exported metrics names
--healthcheck.port int port to bind the healthcheck endpoint to
--healthcheck.sequencer enable checking the health of the sequencer
--l1.chain-id uint if set other than 0, will be used to validate database and L1 connection
--l1.url string layer 1 ethereum node RPC URL
--l2.disable-upstream disable feed and transaction forwarding
--log.core string log level for general arb node logging (default "info")
--log.rpc string log level for rpc (default "info")
--metrics enable metrics
--metrics-server.addr string metrics server address (default "127.0.0.1")
--metrics-server.port string metrics server address (default "6070")
--node.aggregator.inbox-address string address of the inbox contract
--node.aggregator.max-batch-time int max-batch-time=NumSeconds (default 10)
--node.aggregator.stateful enable pending state tracking
--node.cache.allow-slow-lookup load L2 block from disk if not in memory cache
--node.cache.block-info-lru-size int number of recently used L2 block info to hold in lru memory cache (default 100000)
--node.cache.lru-size int number of recently used L2 blocks to hold in lru memory cache (default 1000)
--node.cache.timed-expire duration length of time to hold L2 blocks in timed memory cache (default 20m0s)
--node.chain-id uint chain id of the arbitrum chain (default 42161)
--node.forwarder.rpc-mode string RPC mode: either full, non-mutating (no eth_sendRawTransaction), or forwarding-only (only requests forwarded upstream are permitted) (default "full")
--node.forwarder.submitter-address string address of the node that will submit your transaction to the chain
--node.forwarder.target string url of another node to send transactions through
--node.inbox-reader.delay-blocks int number of L1 blocks to wait for confirmation before updating L2 state (default 4)
--node.inbox-reader.paranoid if enabled, check for reorgs before searching for messages
--node.inbox-reader.sequencer-signature-expiry duration length of time between verifying sequencer feed signing address on-chain (default 10m0s)
--node.log-idle-sleep duration milliseconds for log reader to sleep between reading logs (default 100ms)
--node.log-process-count int maximum number of logs to process at a time (default 100)
--node.rpc.addr string RPC address (default "0.0.0.0")
--node.rpc.enable-devops-stubs Enable fake versions of eth_syncing and eth_netPeers
--node.rpc.enable-l1-calls If RPC calls which query the L1 node indirectly should be allowed
--node.rpc.max-call-gas uint Max computational arbgas limit when processing eth_call and eth_estimateGas (default 5000000)
--node.rpc.nitroexport.basedir string Base dir for nitro export
--node.rpc.nitroexport.enable Enable rpcs for nitro export (stored locally on node)
--node.rpc.path string RPC path (default "/")
--node.rpc.port int RPC port (default 8547)
--node.rpc.tracing.enable enable tracing api
--node.rpc.tracing.namespace string rpc namespace for tracing api (default "arbtrace")
--node.sequencer.continue-batch-posting-block-interval int block interval to post the next batch after posting a partial one (default 2)
--node.sequencer.create-batch-block-interval int block interval at which to create new batches (default 270)
--node.sequencer.dangerous.disable-batch-posting disable posting batches to L1 (DANGEROUS)
--node.sequencer.dangerous.disable-delayed-message-sequencing disable sequencing delayed messages (DANGEROUS)
--node.sequencer.dangerous.disable-user-message-sequencing disable sequencing user messages (DANGEROUS)
--node.sequencer.dangerous.publish-batches-without-lockout continue publishing batches (but not sequencing) without the lockout (DANGEROUS)
--node.sequencer.dangerous.reorg-out-huge-messages erase any huge messages in database that cannot be published (DANGEROUS)
--node.sequencer.dangerous.rewrite-sequencer-address reorganize to rewrite the sequencer address if it's not the loaded wallet (DANGEROUS)
--node.sequencer.debug-timing log elapsed time throughout core sequencing loop
--node.sequencer.delayed-messages-target-delay int delay before sequencing delayed messages (default 12)
--node.sequencer.gas-refunder-address string address of the L1 gas refunder contract (optional)
--node.sequencer.gas-refunder-extra-gas uint amount of extra gas to supply for the gas refunder operation (default 50000)
--node.sequencer.l1-posting-strategy.high-gas-delay-blocks int wait up to this many more blocks when gas costs are high (default 270)
--node.sequencer.l1-posting-strategy.high-gas-threshold float gwei threshold at which to consider gas price high and delay batch posting (default 150)
--node.sequencer.lockout.redis string sequencer lockout redis instance URL
--node.sequencer.lockout.self-rpc-url string own RPC URL for other sequencers to failover to
--node.sequencer.max-batch-gas-cost int max L1 batch gas cost to post before splitting it up into multiple batches (default 2000000)
--node.type string forwarder, aggregator, sequencer or validator (default "forwarder")
--node.ws.addr string websocket address (default "0.0.0.0")
--node.ws.path string websocket path (default "/")
--node.ws.port int websocket port (default 8548)
--persistent.chain string path that chain specific state is located
--persistent.global-config string location global configuration is located (default ".arbitrum")
--pprof-enable enable profiling server
--rollup.address string layer 2 rollup contract address
--rollup.block-search-size int number of blocks to search at a time when looking for validator smart contract wallet creation, 0 to search all blocks at once
--rollup.from-block int layer 2 rollup contract creation block
--rollup.machine.filename string file to load machine from
--validator.contract-wallet-address string validator smart contract wallet public address
--validator.contract-wallet-address-filename string json file that validator smart contract wallet address is stored in (default "chainState.json")
--validator.dont-challenge don't challenge any other validators' assertions
--validator.l1-posting-strategy.high-gas-delay-blocks int wait up to this many more blocks when gas costs are high (default 270)
--validator.l1-posting-strategy.high-gas-threshold float gwei threshold at which to consider gas price high and delay batch posting (default 150)
--validator.only-create-wallet-contract only create smart contract wallet contract, then exit
--validator.staker-delay duration delay between updating stake (default 1m0s)
--validator.strategy string strategy for validator to use
--validator.utils-address string validator utilities address
--validator.wallet-factory-address string strategy for validator to use
--validator.withdraw-destination string the address to withdraw funds to (defaults to the wallet address)
--wait-to-catch-up wait to catch up to the chain before opening the RPC
--wallet.fireblocks.feed-signer.password string password for feed-signer wallet (default "PASSWORD_NOT_SET")
--wallet.fireblocks.feed-signer.pathname string path to store feed-signer wallet in (default "feed-signer-wallet")
--wallet.fireblocks.feed-signer.private-key string wallet feed-signer private key string
--wallet.local.only-create-key create new wallet and exit
--wallet.local.password string password for wallet (default "PASSWORD_NOT_SET")
--wallet.local.pathname string path to store wallet in (default "rpc-wallet")
--wallet.local.private-key string wallet private key string
Sample usage: arb-node --conf=<filename>
or: forwarder node: arb-node --l1.url=<L1 RPC> [optional arguments]
or: aggregator node: arb-node --l1.url=<L1 RPC> --node.type=aggregator [optional arguments] [--wallet.password=pass] [--wallet.gasprice==FloatInGwei]
or: sequencer: arb-node --l1.url=<L1 RPC> --node.type=sequencer [optional arguments] [--wallet.password=pass] [--wallet.gasprice==FloatInGwei]