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Server

The bor server command runs the Bor client.

Options

  • bor.devfakeauthor: Run miner without validator set authorization [dev mode] : Use with '--bor.withoutheimdall' (default: false)

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

  • bor.heimdallgRPC: Address of Heimdall gRPC service

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

  • bor.runheimdall: Run Heimdall service as a child process (default: false)

  • bor.runheimdallargs: Arguments to pass to Heimdall service

  • bor.useheimdallapp: Use child heimdall process to fetch data, Only works when bor.runheimdall is true (default: false)

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

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

  • config: Path to the TOML configuration file

  • datadir: Path of the data directory to store information

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

  • db.engine: Backing database implementation to use ('leveldb' or 'pebble') (default: leveldb)

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

  • dev.gaslimit: Initial block gas limit (default: 11500000)

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

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

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

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

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

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

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

  • gpo.maxblockhistory: Maximum block history of gasprice oracle (default: 1024)

  • gpo.maxheaderhistory: Maximum header history of gasprice oracle (default: 1024)

  • gpo.maxprice: Maximum gas price will be recommended by gpo (default: 500000000000)

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

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

  • identity: Name/Identity of the node

  • keystore: Path of the directory where keystores are located

  • log-level: Log level for the server (trace|debug|info|warn|error|crit), will be deprecated soon. Use verbosity instead

  • parallelevm.enable: Enable Block STM (default: true)

  • parallelevm.procs: Number of speculative processes (cores) in Block STM (default: 8)

  • pprof: Enable the pprof HTTP server (default: false)

  • pprof.addr: pprof HTTP server listening interface (default: 127.0.0.1)

  • pprof.blockprofilerate: Turn on block profiling with the given rate (default: 0)

  • pprof.memprofilerate: Turn on memory profiling with the given rate (default: 524288)

  • pprof.port: pprof HTTP server listening port (default: 6060)

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

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

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

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

  • verbosity: Logging verbosity for the server (5=trace|4=debug|3=info|2=warn|1=error|0=crit) (default: 3)

  • vmdebug: Record information useful for VM and contract debugging (default: false)

Account Management Options

  • 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)

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

  • unlock: Comma separated list of accounts to unlock

Cache Options

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

  • cache.blocklogs: Size (in number of blocks) of the log cache for filtering (default: 32)

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

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

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

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

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

  • fdlimit: Raise the open file descriptor resource limit (default = system fd limit) (default: 0)

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

ExtraDB Options

  • leveldb.compaction.table.size: LevelDB SSTable/file size in mebibytes (default: 2)

  • leveldb.compaction.table.size.multiplier: Multiplier on LevelDB SSTable/file size. Size for a level is determined by: leveldb.compaction.table.size * (leveldb.compaction.table.size.multiplier ^ Level) (default: 1)

  • leveldb.compaction.total.size: Total size in mebibytes of SSTables in a given LevelDB level. Size for a level is determined by: leveldb.compaction.total.size * (leveldb.compaction.total.size.multiplier ^ Level) (default: 10)

  • leveldb.compaction.total.size.multiplier: Multiplier on level size on LevelDB levels. Size for a level is determined by: leveldb.compaction.total.size * (leveldb.compaction.total.size.multiplier ^ Level) (default: 10)

JsonRPC Options

  • authrpc.addr: Listening address for authenticated APIs (default: localhost)

  • authrpc.jwtsecret: Path to a JWT secret to use for authenticated RPC endpoints

  • authrpc.port: Listening port for authenticated APIs (default: 8551)

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

  • 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)

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

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

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

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

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

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

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

  • rpc.allow-unprotected-txs: Allow for unprotected (non EIP155 signed) transactions to be submitted via RPC (default: false)

  • rpc.enabledeprecatedpersonal: Enables the (deprecated) personal namespace (default: false)

  • rpc.evmtimeout: Sets a timeout used for eth_call (0=infinite) (default: 5s)

  • 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: 1)

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

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

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

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

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

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

Logging Options

  • log.backtrace: Request a stack trace at a specific logging statement (e.g. 'block.go:271')

  • log.debug: Prepends log messages with call-site location (file and line number) (default: false)

  • log.enable-block-tracking: Enables additional logging of information collected while tracking block lifecycle (default: false)

  • log.json: Format logs with JSON (default: false)

  • vmodule: Per-module verbosity: comma-separated list of = (e.g. eth/*=5,p2p=4)

P2P Options

  • bind: Network binding address (default: 0.0.0.0)

  • 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)

  • netrestrict: Restricts network communication to the given IP networks (CIDR masks)

  • nodekey: P2P node key file

  • nodekeyhex: P2P node key as hex

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

  • port: Network listening port (default: 30303)

  • txarrivalwait: Maximum duration to wait for a transaction before explicitly requesting it (default: 500ms)

  • v4disc: Enables the V4 discovery mechanism (default: true)

  • 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)

  • miner.interruptcommit: Interrupt block commit when block creation time is passed (default: true)

  • miner.recommit: The time interval for miner to re-create mining work (default: 2m5s)

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

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

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

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

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

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

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

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

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

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

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

Transaction Pool Options

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

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

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

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

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

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

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

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

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