go-ethereum/docs/cli/server.md

Server

The bor server command runs the Bor client.

Options

• chain: Name of the chain to sync ('mumbai', 'mainnet') or path to a genesis file (default: mainnet)

• identity: Name/Identity of the node

• log-level: Set log level for the server (default: INFO)

• datadir: Path of the data directory to store information

• datadir.ancient: Data directory for ancient chain segments (default = inside chaindata)

• keystore: Path of the directory where keystores are located

• rpc.batchlimit: Maximum number of messages in a batch (default=100, use 0 for no limits) (default: 100)

• rpc.returndatalimit: Maximum size (in bytes) a result of an rpc request could have (default=100000, use 0 for no limits) (default: 100000)

• config: File for the config file

• syncmode: Blockchain sync mode (only "full" sync supported) (default: full)

• gcmode: Blockchain garbage collection mode ("full", "archive") (default: full)

• eth.requiredblocks: Comma separated block number-to-hash mappings to require for peering (=)

• snapshot: Enables the snapshot-database mode (default: true)

• bor.logs: Enables bor log retrieval (default: false)

• bor.heimdall: URL of Heimdall service (default: http://localhost:1317)

• bor.withoutheimdall: Run without Heimdall service (for testing purpose) (default: false)

• bor.heimdallgRPC: Address of Heimdall gRPC service

• ethstats: Reporting URL of a ethstats service (nodename:secret@host:port)

• gpo.blocks: Number of recent blocks to check for gas prices (default: 20)

• gpo.percentile: Suggested gas price is the given percentile of a set of recent transaction gas prices (default: 60)

• gpo.maxprice: Maximum gas price will be recommended by gpo (default: 5000000000000)

• gpo.ignoreprice: Gas price below which gpo will ignore transactions (default: 2)

• disable-bor-wallet: Disable the personal wallet endpoints (default: true)

• grpc.addr: Address and port to bind the GRPC server (default: :3131)

• dev: Enable developer mode with ephemeral proof-of-authority network and a pre-funded developer account, mining enabled (default: false)

• dev.period: Block period to use in developer mode (0 = mine only if transaction pending) (default: 0)

Account Management Options

• unlock: Comma separated list of accounts to unlock

• password: Password file to use for non-interactive password input

• allow-insecure-unlock: Allow insecure account unlocking when account-related RPCs are exposed by http (default: false)

• lightkdf: Reduce key-derivation RAM & CPU usage at some expense of KDF strength (default: false)

Cache Options

• cache: Megabytes of memory allocated to internal caching (default: 1024)

• cache.database: Percentage of cache memory allowance to use for database io (default: 50)

• cache.trie: Percentage of cache memory allowance to use for trie caching (default: 15)

• cache.trie.journal: Disk journal directory for trie cache to survive node restarts (default: triecache)

• cache.trie.rejournal: Time interval to regenerate the trie cache journal (default: 1h0m0s)

• cache.gc: Percentage of cache memory allowance to use for trie pruning (default: 25)

• cache.snapshot: Percentage of cache memory allowance to use for snapshot caching (default: 10)

• cache.noprefetch: Disable heuristic state prefetch during block import (less CPU and disk IO, more time waiting for data) (default: false)

• cache.preimages: Enable recording the SHA3/keccak preimages of trie keys (default: false)

• cache.triesinmemory: Number of block states (tries) to keep in memory (default = 128) (default: 128)

• txlookuplimit: Number of recent blocks to maintain transactions index for (default: 2350000)

JsonRPC Options

• rpc.gascap: Sets a cap on gas that can be used in eth_call/estimateGas (0=infinite) (default: 50000000)

• rpc.txfeecap: Sets a cap on transaction fee (in ether) that can be sent via the RPC APIs (0 = no cap) (default: 5)

• ipcdisable: Disable the IPC-RPC server (default: false)

• ipcpath: Filename for IPC socket/pipe within the datadir (explicit paths escape it)

• http.corsdomain: Comma separated list of domains from which to accept cross origin requests (browser enforced) (default: localhost)

• http.vhosts: Comma separated list of virtual hostnames from which to accept requests (server enforced). Accepts '*' wildcard. (default: localhost)

• ws.origins: Origins from which to accept websockets requests (default: localhost)

• graphql.corsdomain: Comma separated list of domains from which to accept cross origin requests (browser enforced) (default: localhost)

• graphql.vhosts: Comma separated list of virtual hostnames from which to accept requests (server enforced). Accepts '*' wildcard. (default: localhost)

• http: Enable the HTTP-RPC server (default: false)

• http.addr: HTTP-RPC server listening interface (default: localhost)

• http.port: HTTP-RPC server listening port (default: 8545)

• http.rpcprefix: HTTP path path prefix on which JSON-RPC is served. Use '/' to serve on all paths.

• http.api: API's offered over the HTTP-RPC interface (default: eth,net,web3,txpool,bor)

• http.ep-size: Maximum size of workers to run in rpc execution pool for HTTP requests (default: 40)

• http.ep-requesttimeout: Request Timeout for rpc execution pool for HTTP requests (default: 0s)

• ws: Enable the WS-RPC server (default: false)

• ws.addr: WS-RPC server listening interface (default: localhost)

• ws.port: WS-RPC server listening port (default: 8546)

• ws.rpcprefix: HTTP path prefix on which JSON-RPC is served. Use '/' to serve on all paths.

• ws.api: API's offered over the WS-RPC interface (default: net,web3)

• ws.ep-size: Maximum size of workers to run in rpc execution pool for WS requests (default: 40)

• ws.ep-requesttimeout: Request Timeout for rpc execution pool for WS requests (default: 0s)

• graphql: Enable GraphQL on the HTTP-RPC server. Note that GraphQL can only be started if an HTTP server is started as well. (default: false)

P2P Options

• bind: Network binding address (default: 0.0.0.0)

• port: Network listening port (default: 30303)

• bootnodes: Comma separated enode URLs for P2P discovery bootstrap

• maxpeers: Maximum number of network peers (network disabled if set to 0) (default: 50)

• maxpendpeers: Maximum number of pending connection attempts (default: 50)

• nat: NAT port mapping mechanism (any|none|upnp|pmp|extip:) (default: any)

• nodiscover: Disables the peer discovery mechanism (manual peer addition) (default: false)

• v5disc: Enables the experimental RLPx V5 (Topic Discovery) mechanism (default: false)

Sealer Options

• mine: Enable mining (default: false)

• miner.etherbase: Public address for block mining rewards

• miner.extradata: Block extra data set by the miner (default = client version)

• miner.gaslimit: Target gas ceiling (gas limit) for mined blocks (default: 30000000)

• miner.gasprice: Minimum gas price for mining a transaction (default: 1000000000)

Telemetry Options

• metrics: Enable metrics collection and reporting (default: false)

• metrics.expensive: Enable expensive metrics collection and reporting (default: false)

• metrics.influxdb: Enable metrics export/push to an external InfluxDB database (v1) (default: false)

• metrics.influxdb.endpoint: InfluxDB API endpoint to report metrics to

• metrics.influxdb.database: InfluxDB database name to push reported metrics to

• metrics.influxdb.username: Username to authorize access to the database

• metrics.influxdb.password: Password to authorize access to the database

• metrics.influxdb.tags: Comma-separated InfluxDB tags (key/values) attached to all measurements

• metrics.prometheus-addr: Address for Prometheus Server (default: 127.0.0.1:7071)

• metrics.opencollector-endpoint: OpenCollector Endpoint (host:port) (default: 127.0.0.1:4317)

• metrics.influxdbv2: Enable metrics export/push to an external InfluxDB v2 database (default: false)

• metrics.influxdb.token: Token to authorize access to the database (v2 only)

• metrics.influxdb.bucket: InfluxDB bucket name to push reported metrics to (v2 only)

• metrics.influxdb.organization: InfluxDB organization name (v2 only)

Transaction Pool Options

• txpool.locals: Comma separated accounts to treat as locals (no flush, priority inclusion)

• txpool.nolocals: Disables price exemptions for locally submitted transactions (default: false)

• txpool.journal: Disk journal for local transaction to survive node restarts (default: transactions.rlp)

• txpool.rejournal: Time interval to regenerate the local transaction journal (default: 1h0m0s)

• txpool.pricelimit: Minimum gas price limit to enforce for acceptance into the pool (default: 1)

• txpool.pricebump: Price bump percentage to replace an already existing transaction (default: 10)

• txpool.accountslots: Minimum number of executable transaction slots guaranteed per account (default: 16)

• txpool.globalslots: Maximum number of executable transaction slots for all accounts (default: 32768)

• txpool.accountqueue: Maximum number of non-executable transaction slots permitted per account (default: 16)

• txpool.globalqueue: Maximum number of non-executable transaction slots for all accounts (default: 32768)

• txpool.lifetime: Maximum amount of time non-executable transaction are queued (default: 3h0m0s)