geth --help
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geth --help NAME: geth - the go-ethereum command line interface USAGE: geth [global options] command [command options] [arguments...] COMMANDS: account Manage accounts attach Start an interactive JavaScript environment (connect to node) console Start an interactive JavaScript environment db Low level database operations dump Dump a specific block from storage dumpconfig Show configuration values dumpgenesis Dumps genesis block JSON configuration to stdout export Export blockchain into file export-preimages Export the preimage database into an RLP stream import Import a blockchain file import-preimages Import the preimage database from an RLP stream init Bootstrap and initialize a new genesis block js (DEPRECATED) Execute the specified JavaScript files license Display license information makecache Generate ethash verification cache (for testing) makedag Generate ethash mining DAG (for testing) removedb Remove blockchain and state databases show-deprecated-flags Show flags that have been deprecated snapshot A set of commands based on the snapshot version Print version numbers version-check Checks (online) for known Geth security vulnerabilities wallet Manage Ethereum presale wallets help, h Shows a list of commands or help for one command
GLOBAL OPTIONS: ACCOUNT
--allow-insecure-unlock (default: false)
Allow insecure account unlocking when account-related RPCs are exposed by http
--keystore value
Directory for the keystore (default = inside the datadir)
--lightkdf (default: false)
Reduce key-derivation RAM & CPU usage at some expense of KDF strength
--password value
Password file to use for non-interactive password input
--pcscdpath value
Path to the smartcard daemon (pcscd) socket file
--signer value
External signer (url or path to ipc file)
--unlock value
Comma separated list of accounts to unlock
--usb (default: false)
Enable monitoring and management of USB hardware wallets
ALIASED (deprecated)
--miner.gastarget value (default: 0)
Target gas floor for mined blocks (deprecated)
--nousb (default: false)
Disables monitoring for and managing USB hardware wallets (deprecated)
--whitelist value
Comma separated block number-to-hash mappings to enforce (<number>=<hash>)
(deprecated in favor of --eth.requiredblocks)
API AND CONSOLE
--authrpc.addr value (default: "localhost")
Listening address for authenticated APIs
--authrpc.jwtsecret value
Path to a JWT secret to use for authenticated RPC endpoints
--authrpc.port value (default: 8551)
Listening port for authenticated APIs
--authrpc.vhosts value (default: "localhost")
Comma separated list of virtual hostnames from which to accept requests (server
enforced). Accepts '*' wildcard.
--exec value
Execute JavaScript statement
--graphql (default: false)
Enable GraphQL on the HTTP-RPC server. Note that GraphQL can only be started if
an HTTP server is started as well.
--graphql.corsdomain value
Comma separated list of domains from which to accept cross origin requests
(browser enforced)
--graphql.vhosts value (default: "localhost")
Comma separated list of virtual hostnames from which to accept requests (server
enforced). Accepts '*' wildcard.
--http (default: false)
Enable the HTTP-RPC server
--http.addr value (default: "localhost") HTTP-RPC server listening interface
--http.api value
API's offered over the HTTP-RPC interface
--http.corsdomain value
Comma separated list of domains from which to accept cross origin requests
(browser enforced)
--http.port value (default: 8545)
HTTP-RPC server listening port
--http.rpcprefix value
HTTP path path prefix on which JSON-RPC is served. Use '/' to serve on all
paths.
--http.vhosts value (default: "localhost")
Comma separated list of virtual hostnames from which to accept requests (server
enforced). Accepts '*' wildcard.
--ipcdisable (default: false)
Disable the IPC-RPC server
--ipcpath value
Filename for IPC socket/pipe within the datadir (explicit paths escape it)
--jspath value (default: .)
JavaScript root path for `loadScript`
--preload value
Comma separated list of JavaScript files to preload into the console
--rpc.allow-unprotected-txs (default: false)
Allow for unprotected (non EIP155 signed) transactions to be submitted via RPC
--rpc.evmtimeout value (default: 5s)
Sets a timeout used for eth_call (0=infinite)
--rpc.gascap value (default: 50000000)
Sets a cap on gas that can be used in eth_call/estimateGas (0=infinite)
--rpc.txfeecap value (default: 1)
Sets a cap on transaction fee (in ether) that can be sent via the RPC APIs (0 =
no cap)
--ws (default: false)
Enable the WS-RPC server
--ws.addr value (default: "localhost")
WS-RPC server listening interface
--ws.api value
API's offered over the WS-RPC interface
--ws.origins value
Origins from which to accept websockets requests
--ws.port value (default: 8546)
WS-RPC server listening port
--ws.rpcprefix value
HTTP path prefix on which JSON-RPC is served. Use '/' to serve on all paths.
DEVELOPER CHAIN
--dev (default: false)
Ephemeral proof-of-authority network with a pre-funded developer account, mining
enabled
--dev.gaslimit value (default: 11500000)
Initial block gas limit
--dev.period value (default: 0)
Block period to use in developer mode (0 = mine only if transaction pending)
ETHASH
--ethash.cachedir value
Directory to store the ethash verification caches (default = inside the datadir)
--ethash.cachesinmem value (default: 2)
Number of recent ethash caches to keep in memory (16MB each)
--ethash.cacheslockmmap (default: false)
Lock memory maps of recent ethash caches
--ethash.cachesondisk value (default: 3)
Number of recent ethash caches to keep on disk (16MB each)
--ethash.dagdir value (default: /Users/el/Library/Ethash)
Directory to store the ethash mining DAGs
--ethash.dagsinmem value (default: 1)
Number of recent ethash mining DAGs to keep in memory (1+GB each)
--ethash.dagslockmmap (default: false)
Lock memory maps for recent ethash mining DAGs
--ethash.dagsondisk value (default: 2)
Number of recent ethash mining DAGs to keep on disk (1+GB each)
ETHEREUM
--bloomfilter.size value (default: 2048) Megabytes of memory allocated to bloom-filter for pruning
--config value
TOML configuration file
--datadir value (default: /Users/el/Library/Ethereum)
Data directory for the databases and keystore
--datadir.ancient value
Data directory for ancient chain segments (default = inside chaindata)
--datadir.minfreedisk value
Minimum free disk space in MB, once reached triggers auto shut down (default =
--cache.gc converted to MB, 0 = disabled)
--eth.requiredblocks value
Comma separated block number-to-hash mappings to require for peering
(<number>=<hash>)
--exitwhensynced (default: false)
Exits after block synchronisation completes
--gcmode value (default: "full")
Blockchain garbage collection mode ("full", "archive")
--goerli (default: false)
Görli network: pre-configured proof-of-authority test network
--kiln (default: false)
Kiln network: pre-configured proof-of-work to proof-of-stake test network
--mainnet (default: false)
Ethereum mainnet
--networkid value (default: 1)
Explicitly set network id (integer)(For testnets: use --ropsten, --rinkeby,
--goerli instead)
--override.grayglacier value (default: 0)
Manually specify Gray Glacier fork-block, overriding the bundled setting
--override.terminaltotaldifficulty value (default: 0)
Manually specify TerminalTotalDifficulty, overriding the bundled setting
--rinkeby (default: false)
Rinkeby network: pre-configured proof-of-authority test network
--ropsten (default: false)
Ropsten network: pre-configured proof-of-stake test network
--sepolia (default: false)
Sepolia network: pre-configured proof-of-work test network
--snapshot (default: true)
Enables snapshot-database mode (default = enable)
--syncmode value (default: snap) Blockchain sync mode ("snap", "full" or "light")
--txlookuplimit value (default: 2350000)
Number of recent blocks to maintain transactions index for (default = about one
year, 0 = entire chain)
GAS PRICE ORACLE
--gpo.blocks value (default: 20)
Number of recent blocks to check for gas prices
--gpo.ignoreprice value (default: 2)
Gas price below which gpo will ignore transactions
--gpo.maxprice value (default: 500000000000)
Maximum transaction priority fee (or gasprice before London fork) to be
recommended by gpo
--gpo.percentile value (default: 60)
Suggested gas price is the given percentile of a set of recent transaction gas
prices
LIGHT CLIENT
--light.egress value (default: 0)
Outgoing bandwidth limit for serving light clients (kilobytes/sec, 0 =
unlimited)
--light.ingress value (default: 0)
Incoming bandwidth limit for serving light clients (kilobytes/sec, 0 =
unlimited)
--light.maxpeers value (default: 100)
Maximum number of light clients to serve, or light servers to attach to
--light.nopruning (default: false)
Disable ancient light chain data pruning
--light.nosyncserve (default: false)
Enables serving light clients before syncing
--light.serve value (default: 0)
Maximum percentage of time allowed for serving LES requests (multi-threaded
processing allows values over 100)
--ulc.fraction value (default: 75)
Minimum % of trusted ultra-light servers required to announce a new head
--ulc.onlyannounce (default: false)
Ultra light server sends announcements only
--ulc.servers value
List of trusted ultra-light servers
LOGGING AND DEBUGGING
--fakepow (default: false)
Disables proof-of-work verification
--log.backtrace value
Request a stack trace at a specific logging statement (e.g. "block.go:271")
--log.debug (default: false)
Prepends log messages with call-site location (file and line number)
--log.json (default: false)
Format logs with JSON
--nocompaction (default: false)
Disables db compaction after import
--pprof (default: false)
Enable the pprof HTTP server
--pprof.addr value (default: "127.0.0.1")
pprof HTTP server listening interface
--pprof.blockprofilerate value (default: 0)
Turn on block profiling with the given rate
--pprof.cpuprofile value
Write CPU profile to the given file
--pprof.memprofilerate value (default: 524288)
Turn on memory profiling with the given rate
--pprof.port value (default: 6060)
pprof HTTP server listening port
--remotedb value
URL for remote database
--trace value
Write execution trace to the given file
--verbosity value (default: 3)
Logging verbosity: 0=silent, 1=error, 2=warn, 3=info, 4=debug, 5=detail
--vmodule value
Per-module verbosity: comma-separated list of <pattern>=<level> (e.g.
eth/*=5,p2p=4)
METRICS AND STATS
--ethstats value
Reporting URL of a ethstats service (nodename:secret@host:port)
--metrics (default: false)
Enable metrics collection and reporting
--metrics.addr value (default: "127.0.0.1")
Enable stand-alone metrics HTTP server listening interface
--metrics.expensive (default: false)
Enable expensive metrics collection and reporting
--metrics.influxdb (default: false)
Enable metrics export/push to an external InfluxDB database
--metrics.influxdb.bucket value (default: "geth")
InfluxDB bucket name to push reported metrics to (v2 only)
--metrics.influxdb.database value (default: "geth")
InfluxDB database name to push reported metrics to
--metrics.influxdb.endpoint value (default: "http://localhost:8086") InfluxDB API endpoint to report metrics to
--metrics.influxdb.organization value (default: "geth")
InfluxDB organization name (v2 only)
--metrics.influxdb.password value (default: "test")
Password to authorize access to the database
--metrics.influxdb.tags value (default: "host=localhost")
Comma-separated InfluxDB tags (key/values) attached to all measurements
--metrics.influxdb.token value (default: "test")
Token to authorize access to the database (v2 only)
--metrics.influxdb.username value (default: "test")
Username to authorize access to the database
--metrics.influxdbv2 (default: false)
Enable metrics export/push to an external InfluxDB v2 database
--metrics.port value (default: 6060)
Metrics HTTP server listening port
MINER
--mine (default: false)
Enable mining
--miner.etherbase value (default: "0")
Public address for block mining rewards (default = first account)
--miner.extradata value
Block extra data set by the miner (default = client version)
--miner.gaslimit value (default: 30000000)
Target gas ceiling for mined blocks
--miner.gasprice value (default: 0)
Minimum gas price for mining a transaction
--miner.notify value
Comma separated HTTP URL list to notify of new work packages
--miner.notify.full (default: false)
Notify with pending block headers instead of work packages
--miner.noverify (default: false)
Disable remote sealing verification
--miner.recommit value (default: 3s)
Time interval to recreate the block being mined
--miner.threads value (default: 0)
Number of CPU threads to use for mining
MISC
--help, -h (default: false)
show help
--ignore-legacy-receipts (default: false)
Geth will start up even if there are legacy receipts in freezer
NETWORKING
--bootnodes value
Comma separated enode URLs for P2P discovery bootstrap
--discovery.dns value
Sets DNS discovery entry points (use "" to disable DNS)
--discovery.port value (default: 30303)
Use a custom UDP port for P2P discovery
--identity value
Custom node name
--maxpeers value (default: 50)
Maximum number of network peers (network disabled if set to 0)
--maxpendpeers value (default: 0)
Maximum number of pending connection attempts (defaults used if set to 0)
--nat value (default: "any")
NAT port mapping mechanism (any|none|upnp|pmp|extip:<IP>)
--netrestrict value
Restricts network communication to the given IP networks (CIDR masks)
--nodekey value
P2P node key file
--nodekeyhex value
P2P node key as hex (for testing)
--nodiscover (default: false)
Disables the peer discovery mechanism (manual peer addition)
--port value (default: 30303)
Network listening port
--v5disc (default: false)
Enables the experimental RLPx V5 (Topic Discovery) mechanism
PERFORMANCE TUNING
--cache value (default: 1024)
Megabytes of memory allocated to internal caching (default = 4096 mainnet full
node, 128 light mode)
--cache.database value (default: 50)
Percentage of cache memory allowance to use for database io
--cache.gc value (default: 25)
Percentage of cache memory allowance to use for trie pruning (default = 25% full
mode, 0% archive mode)
--cache.noprefetch (default: false)
Disable heuristic state prefetch during block import (less CPU and disk IO, more
time waiting for data)
--cache.preimages (default: false)
Enable recording the SHA3/keccak preimages of trie keys
--cache.snapshot value (default: 10)
Percentage of cache memory allowance to use for snapshot caching (default = 10%
full mode, 20% archive mode)
--cache.trie value (default: 15)
Percentage of cache memory allowance to use for trie caching (default = 15% full
mode, 30% archive mode)
--cache.trie.journal value (default: "triecache")
Disk journal directory for trie cache to survive node restarts
--cache.trie.rejournal value (default: 1h0m0s)
Time interval to regenerate the trie cache journal
--fdlimit value (default: 0)
Raise the open file descriptor resource limit (default = system fd limit)
TRANSACTION POOL
--txpool.accountqueue value (default: 64)
Maximum number of non-executable transaction slots permitted per account
--txpool.accountslots value (default: 16)
Minimum number of executable transaction slots guaranteed per account
--txpool.globalqueue value (default: 1024)
Maximum number of non-executable transaction slots for all accounts
--txpool.globalslots value (default: 5120)
Maximum number of executable transaction slots for all accounts
--txpool.journal value (default: "transactions.rlp")
Disk journal for local transaction to survive node restarts
--txpool.lifetime value (default: 3h0m0s)
Maximum amount of time non-executable transaction are queued
--txpool.locals value
Comma separated accounts to treat as locals (no flush, priority inclusion)
--txpool.nolocals (default: false)
Disables price exemptions for locally submitted transactions
--txpool.pricebump value (default: 10)
Price bump percentage to replace an already existing transaction
--txpool.pricelimit value (default: 1)
Minimum gas price limit to enforce for acceptance into the pool
--txpool.rejournal value (default: 1h0m0s)
Time interval to regenerate the local transaction journal
VIRTUAL MACHINE
--vmdebug (default: false)
Record information useful for VM and contract debugging
COPYRIGHT: Copyright 2013-2022 The go-ethereum Authors
Related[edit]
See also[edit]
geth [ account | console | --authrpc.addr | version | --sepolia | --goerli | --pprof | --http | --syncmode | --mine ] --help, Geth logs, geth logs WARN,Log.Error, ports:8551, 30303, 8547, ~/.ethereum/geth/
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