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example_config.toml
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# This configuration file is for reference and learning purpose only.
# The default value of the flags is provided below (except a few flags which has custom defaults which are explicitly mentioned).
# Recommended values for mainnet and/or amoy are also provided.
chain = "mainnet" # Name of the chain to sync ("mainnet" or "amoy") or path to a genesis file
identity = "Annon-Identity" # Name/Identity of the node (default = OS hostname)
verbosity = 3 # Logging verbosity for the server (5=trace|4=debug|3=info|2=warn|1=error|0=crit) (`log-level` was replaced by `verbosity`, and thus will be deprecated soon)
vmdebug = false # Record information useful for VM and contract debugging
datadir = "var/lib/bor" # Path of the data directory to store information
ancient = "" # Data directory for ancient chain segments (default = inside chaindata)
"db.engine" = "pebble" # Used to select leveldb or pebble as database (default = pebble)
"state.scheme" = "path" # Used to select the state scheme (default = path)
keystore = "" # Path of the directory where keystores are located
"rpc.batchlimit" = 100 # Maximum number of messages in a batch (default=100, use 0 for no limits)
"rpc.returndatalimit" = 100000 # Maximum size (in bytes) a result of an rpc request could have (default=100000, use 0 for no limits)
syncmode = "full" # Blockchain sync mode (only "full" sync supported)
gcmode = "full" # Blockchain garbage collection mode ("full", "archive")
snapshot = true # Enables the snapshot-database mode
"bor.logs" = false # Enables bor log retrieval
ethstats = "" # Reporting URL of a ethstats service (nodename:secret@host:port)
devfakeauthor = false # Run miner without validator set authorization [dev mode] : Use with '--bor.withoutheimdall' (default: false)
["eth.requiredblocks"] # Comma separated block number-to-hash mappings to require for peering (<number>=<hash>) (default = empty map)
"31000000" = "0x2087b9e2b353209c2c21e370c82daa12278efd0fe5f0febe6c29035352cf050e"
"32000000" = "0x875500011e5eecc0c554f95d07b31cf59df4ca2505f4dbbfffa7d4e4da917c68"
[log]
vmodule = "" # Per-module verbosity: comma-separated list of <pattern>=<level> (e.g. eth/*=5,p2p=4)
json = false # Format logs with JSON
backtrace = "" # Request a stack trace at a specific logging statement (e.g. "block.go:271")
debug = true # Prepends log messages with call-site location (file and line number)
enable-block-tracking = false # Enables additional logging of information collected while tracking block lifecycle
[p2p]
maxpeers = 50 # Maximum number of network peers (network disabled if set to 0)
maxpendpeers = 50 # Maximum number of pending connection attempts
bind = "0.0.0.0" # Network binding address
port = 30303 # Network listening port
nodiscover = false # Disables the peer discovery mechanism (manual peer addition)
nat = "any" # NAT port mapping mechanism (any|none|upnp|pmp|extip:<IP>)
netrestrict = "" # Restricts network communication to the given IP networks (CIDR masks)
nodekey = "" # P2P node key file
nodekeyhex = "" # P2P node key as hex
txarrivalwait = "500ms" # Maximum duration to wait before requesting an announced transaction
[p2p.discovery]
v4disc = true # Enables the V4 discovery mechanism
v5disc = false # Enables the experimental RLPx V5 (Topic Discovery) mechanism
bootnodes = [] # Comma separated enode URLs for P2P discovery bootstrap
bootnodesv4 = [] # List of initial v4 bootnodes
bootnodesv5 = [] # List of initial v5 bootnodes
static-nodes = [] # List of static nodes
trusted-nodes = [] # List of trusted nodes
dns = [] # List of enrtree:// URLs which will be queried for nodes to connect to
[heimdall]
url = "http://localhost:1317" # URL of Heimdall service
"bor.without" = false # Run without Heimdall service (for testing purpose)
grpc-address = "" # Address of Heimdall gRPC service
[txpool]
locals = [] # Comma separated accounts to treat as locals (no flush, priority inclusion)
nolocals = false # Disables price exemptions for locally submitted transactions
journal = "transactions.rlp" # Disk journal for local transaction to survive node restarts
rejournal = "1h0m0s" # Time interval to regenerate the local transaction journal
pricelimit = 25000000000 # Minimum gas price limit to enforce for acceptance into the pool. Regardless the value set, it will be enforced to 25000000000 for all networks
pricebump = 10 # Price bump percentage to replace an already existing transaction
accountslots = 16 # Minimum number of executable transaction slots guaranteed per account
globalslots = 32768 # Maximum number of executable transaction slots for all accounts
accountqueue = 16 # Maximum number of non-executable transaction slots permitted per account
globalqueue = 32768 # Maximum number of non-executable transaction slots for all accounts
lifetime = "3h0m0s" # Maximum amount of time non-executable transaction are queued
[miner]
mine = false # Enable mining
etherbase = "" # Public address for block mining rewards
extradata = "" # Block extra data set by the miner (default = client version)
gaslimit = 30000000 # Target gas ceiling for mined blocks
gasprice = "25000000000" # Minimum gas price for mining a transaction. Regardless the value set, it will be enforced to 25000000000 for all networks
recommit = "2m5s" # The time interval for miner to re-create mining work
commitinterrupt = true # Interrupt the current mining work when time is exceeded and create partial blocks
[jsonrpc]
ipcdisable = false # Disable the IPC-RPC server
ipcpath = "" # Filename for IPC socket/pipe within the datadir (explicit paths escape it)
gascap = 50000000 # Sets a cap on gas that can be used in eth_call/estimateGas (0=infinite)
evmtimeout = "5s" # Sets a timeout used for eth_call (0=infinite)
txfeecap = 5.0 # Sets a cap on transaction fee (in ether) that can be sent via the RPC APIs (0 = no cap)
allow-unprotected-txs = false # Allow for unprotected (non EIP155 signed) transactions to be submitted via RPC (default: false)
enabledeprecatedpersonal = false # Enables the (deprecated) personal namespace
[jsonrpc.http]
enabled = false # Enable the HTTP-RPC server
port = 8545 # http.port
prefix = "" # http.rpcprefix
host = "localhost" # HTTP-RPC server listening interface
api = ["eth", "net", "web3", "txpool", "bor"] # API's offered over the HTTP-RPC interface
vhosts = ["localhost"] # Comma separated list of virtual hostnames from which to accept requests (server enforced). Accepts '*' wildcard.
corsdomain = ["localhost"] # Comma separated list of domains from which to accept cross origin requests (browser enforced)
ep-size = 40 # Maximum size of workers to run in rpc execution pool for HTTP requests (default: 40)
ep-requesttimeout = "0s" # Request Timeout for rpc execution pool for HTTP requests (default: 0s, 0s = disabled)
[jsonrpc.ws]
enabled = false # Enable the WS-RPC server
port = 8546 # WS-RPC server listening port
prefix = "" # HTTP path prefix on which JSON-RPC is served. Use '/' to serve on all paths.
host = "localhost" # ws.addr
api = ["net", "web3"] # API's offered over the WS-RPC interface
origins = ["localhost"] # Origins from which to accept websockets requests
ep-size = 40 # Maximum size of workers to run in rpc execution pool for WS requests (default: 40)
ep-requesttimeout = "0s" # Request Timeout for rpc execution pool for WS requests (default: 0s, 0s = disabled)
[jsonrpc.graphql]
enabled = false # Enable GraphQL on the HTTP-RPC server. Note that GraphQL can only be started if an HTTP server is started as well.
port = 0 #
prefix = "" #
host = "" #
vhosts = ["localhost"] # Comma separated list of virtual hostnames from which to accept requests (server enforced). Accepts '*' wildcard.
corsdomain = ["localhost"] # Comma separated list of domains from which to accept cross origin requests (browser enforced)
[jsonrpc.auth]
jwtsecret = "" # Path to a JWT secret to use for authenticated RPC endpoints
addr = "localhost" # Listening address for authenticated APIs
port = 8551 # Listening port for authenticated APIs
vhosts = ["localhost"] # Comma separated list of virtual hostnames from which to accept requests (server enforced). Accepts '*' wildcard.
[jsonrpc.timeouts]
read = "10s"
write = "30s"
idle = "2m0s"
[gpo]
blocks = 20 # Number of recent blocks to check for gas prices
percentile = 60 # Suggested gas price is the given percentile of a set of recent transaction gas prices
maxheaderhistory = 1024 # Maximum header history of gasprice oracle
maxblockhistory = 1024 # Maximum block history of gasprice oracle
maxprice = "5000000000000" # Maximum gas price will be recommended by gpo
ignoreprice = "25000000000" # Gas price below which gpo will ignore transactions. Regardless the value set, it will be enforced to 25000000000 for all networks
[telemetry]
metrics = false # Enable metrics collection and reporting
expensive = false # Enable expensive metrics collection and reporting
prometheus-addr = "127.0.0.1:7071" # Address for Prometheus Server
opencollector-endpoint = "" # OpenCollector Endpoint (host:port)
[telemetry.influx]
influxdb = false # Enable metrics export/push to an external InfluxDB database (v1)
endpoint = "" # InfluxDB API endpoint to report metrics to
database = "" # InfluxDB database name to push reported metrics to
username = "" # Username to authorize access to the database
password = "" # Password to authorize access to the database
influxdbv2 = false # Enable metrics export/push to an external InfluxDB v2 database
token = "" # Token to authorize access to the database (v2 only)
bucket = "" # InfluxDB bucket name to push reported metrics to (v2 only)
organization = "" # InfluxDB organization name (v2 only)
[telemetry.influx.tags] # Comma-separated InfluxDB tags (key/values) attached to all measurements
cloud = "aws"
host = "annon-host"
ip = "99.911.221.66"
region = "us-north-1"
[cache]
cache = 1024 # Megabytes of memory allocated to internal caching (recommended for mainnet = 4096, default suitable for amoy/devnet)
gc = 25 # Percentage of cache memory allowance to use for trie pruning (default = 25% full mode, 0% archive mode)
snapshot = 10 # Percentage of cache memory allowance to use for snapshot caching (default = 10% full mode, 20% archive mode)
database = 50 # Percentage of cache memory allowance to use for database io
trie = 15 # Percentage of cache memory allowance to use for trie caching (default = 15% full mode, 30% archive mode)
noprefetch = false # Disable heuristic state prefetch during block import (less CPU and disk IO, more time waiting for data)
preimages = false # Enable recording the SHA3/keccak preimages of trie keys
txlookuplimit = 2350000 # Number of recent blocks to maintain transactions index for (default = about 56 days, 0 = entire chain)
triesinmemory = 128 # Number of block states (tries) to keep in memory
blocklogs = 32 # Size (in number of blocks) of the log cache for filtering
timeout = "1h0m0s" # Time after which the Merkle Patricia Trie is stored to disc from memory
fdlimit = 0 # Raise the open file descriptor resource limit (default = system fd limit)
[accounts]
unlock = [] # Comma separated list of accounts to unlock
password = "" # Password file to use for non-interactive password input
allow-insecure-unlock = false # Allow insecure account unlocking when account-related RPCs are exposed by http
lightkdf = false # Reduce key-derivation RAM & CPU usage at some expense of KDF strength
disable-bor-wallet = true # Disable the personal wallet endpoints
[grpc]
addr = ":3131" # Address and port to bind the GRPC server
[developer]
dev = false # Enable developer mode with ephemeral proof-of-authority network and a pre-funded developer account, mining enabled
period = 0 # Block period to use in developer mode (0 = mine only if transaction pending)
gaslimit = 11500000 # Initial block gas limit
[parallelevm]
enable = true # Enables parallel execution using Block STM
procs = 8 # Number of speculative processes (cores) in Block STM
enforce = false # Use only Block STM for execution and skip serial execution
[pprof]
pprof = false # Enable the pprof HTTP server
port = 6060 # pprof HTTP server listening port
addr = "127.0.0.1" # pprof HTTP server listening interface
memprofilerate = 524288 # Turn on memory profiling with the given rate
blockprofilerate = 0 # Turn on block profiling with the given rate