Editing Geth --help

{{lc}}
 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 ==
 [[brew install ethereum]]

== See also ==
* {{geth}}

[[Category:geth]]