nimbus-eth1/nimbus/config.nim

773 lines
27 KiB
Nim

# Nimbus
# Copyright (c) 2018-2019 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
# * MIT license ([LICENSE-MIT](LICENSE-MIT))
# at your option.
# This file may not be copied, modified, or distributed except according to
# those terms.
import
parseopt, strutils, macros, os, times, json, tables, stew/[byteutils],
chronos, eth/[keys, common, p2p, net/nat], chronicles, nimcrypto/hash,
eth/p2p/bootnodes, ./db/select_backend, eth/keys, ./chain_config, ./forks
const
NimbusName* = "Nimbus"
## project name string
NimbusMajor*: int = 0
## is the major number of Nimbus' version.
NimbusMinor*: int = 0
## is the minor number of Nimbus' version.
NimbusPatch*: int = 1
## is the patch number of Nimbus' version.
NimbusVersion* = $NimbusMajor & "." & $NimbusMinor & "." & $NimbusPatch
## is the version of Nimbus as a string.
NimbusIdent* = "$1/$2 ($3/$4)" % [NimbusName, NimbusVersion, hostCPU, hostOS]
## project ident name for networking services
GitRevision = staticExec("git rev-parse --short HEAD").replace("\n") # remove CR
NimVersion = staticExec("nim --version")
let
NimbusCopyright* = "Copyright (c) 2018-" & $(now().utc.year) & " Status Research & Development GmbH"
NimbusHeader* = "$# Version $# [$#: $#, $#, $#]\p$#\p\p$#\p" %
[NimbusName, NimbusVersion, hostOS, hostCPU, nimbus_db_backend, GitRevision, NimbusCopyright, NimVersion]
type
ConfigStatus* = enum
## Configuration status flags
Success, ## Success
EmptyOption, ## No options in category
ErrorUnknownOption, ## Unknown option in command line found
ErrorParseOption, ## Error in parsing command line option
ErrorIncorrectOption, ## Option has incorrect value
Error ## Unspecified error
RpcFlags* {.pure.} = enum
## RPC flags
Enabled ## RPC enabled
Eth ## enable eth_ set of RPC API
Debug ## enable debug_ set of RPC API
ProtocolFlags* {.pure.} = enum
## Protocol flags
Eth ## enable eth subprotocol
Les ## enable les subprotocol
RpcConfiguration* = object
## JSON-RPC configuration object
flags*: set[RpcFlags] ## RPC flags
binds*: seq[TransportAddress] ## RPC bind address
GraphqlConfiguration* = object
enabled*: bool
address*: TransportAddress
NetworkFlags* = enum
## Ethereum network flags
NoDiscover ## Peer discovery disabled
V5Discover ## Dicovery V5 enabled
NetworkIdSet ## prevent CustomNetwork replacement
DebugFlags* {.pure.} = enum
## Debug selection flags
Enabled, ## Debugging enabled
Test1, ## Test1 enabled
Test2, ## Test2 enabled
Test3 ## Test3 enabled
NetConfiguration* = object
## Network configuration object
flags*: set[NetworkFlags] ## Network flags
bootNodes*: seq[ENode] ## List of bootnodes
staticNodes*: seq[ENode] ## List of static nodes to connect to
customBootNodes*: seq[ENode]
bindPort*: uint16 ## Main TCP bind port
discPort*: uint16 ## Discovery UDP bind port
metricsServer*: bool ## Enable metrics server
metricsServerPort*: uint16 ## metrics HTTP server port
maxPeers*: int ## Maximum allowed number of peers
maxPendingPeers*: int ## Maximum allowed pending peers
networkId*: NetworkId ## Network ID as integer
ident*: string ## Server ident name string
nodeKey*: PrivateKey ## Server private key
nat*: NatStrategy ## NAT strategy
externalIP*: string ## user-provided external IP
protocols*: set[ProtocolFlags]## Enabled subprotocols
DebugConfiguration* = object
## Debug configuration object
flags*: set[DebugFlags] ## Debug flags
logLevel*: LogLevel ## Log level
logFile*: string ## Log file
logMetrics*: bool ## Enable metrics logging
logMetricsInterval*: int ## Metrics logging interval
PruneMode* {.pure.} = enum
Full
Archive
NimbusAccount* = object
privateKey*: PrivateKey
keystore*: JsonNode
unlocked*: bool
NimbusConfiguration* = ref object
## Main Nimbus configuration object
dataDir*: string
keyStore*: string
prune*: PruneMode
graphql*: GraphqlConfiguration
rpc*: RpcConfiguration ## JSON-RPC configuration
net*: NetConfiguration ## Network configuration
debug*: DebugConfiguration ## Debug configuration
customGenesis*: CustomGenesis ## Custom Genesis Configuration
# You should only create one instance of the RNG per application / library
# Ref is used so that it can be shared between components
rng*: ref BrHmacDrbgContext
accounts*: Table[EthAddress, NimbusAccount]
importFile*: string
const
# these are public network id
CustomNet* = 0.NetworkId
MainNet* = 1.NetworkId
# No longer used: MordenNet = 2
RopstenNet* = 3.NetworkId
RinkebyNet* = 4.NetworkId
GoerliNet* = 5.NetworkId
KovanNet* = 42.NetworkId
const
defaultRpcApi = {RpcFlags.Eth}
defaultProtocols = {ProtocolFlags.Eth}
defaultLogLevel = LogLevel.WARN
defaultNetwork = MainNet
var nimbusConfig {.threadvar.}: NimbusConfiguration
proc getConfiguration*(): NimbusConfiguration {.gcsafe.}
proc `$`*(c: ChainId): string =
$(c.int)
proc toFork*(c: ChainConfig, number: BlockNumber): Fork =
if number >= c.berlinBlock: FkBerlin
elif number >= c.istanbulBlock: FkIstanbul
elif number >= c.petersburgBlock: FkPetersburg
elif number >= c.constantinopleBlock: FkConstantinople
elif number >= c.byzantiumBlock: FkByzantium
elif number >= c.eip158Block: FkSpurious
elif number >= c.eip150Block: FkTangerine
elif number >= c.homesteadBlock: FkHomestead
else: FkFrontier
proc chainConfig*(id: NetworkId): ChainConfig =
# For some public networks, NetworkId and ChainId value are identical
# but that is not always the case
result = case id
of MainNet:
ChainConfig(
poaEngine: false, # TODO: use real engine conf: PoW
chainId: MainNet.ChainId,
homesteadBlock: 1_150_000.toBlockNumber, # 14/03/2016 20:49:53
daoForkBlock: 1_920_000.toBlockNumber,
daoForkSupport: true,
eip150Block: 2_463_000.toBlockNumber, # 18/10/2016 17:19:31
eip150Hash: toDigest("2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
eip155Block: 2_675_000.toBlockNumber, # 22/11/2016 18:15:44
eip158Block: 2_675_000.toBlockNumber,
byzantiumBlock: 4_370_000.toBlockNumber, # 16/10/2017 09:22:11
constantinopleBlock: 7_280_000.toBlockNumber, # Never Occured in MainNet
petersburgBlock:7_280_000.toBlockNumber, # 28/02/2019 07:52:04
istanbulBlock: 9_069_000.toBlockNumber, # 08/12/2019 12:25:09
muirGlacierBlock: 9_200_000.toBlockNumber, # 02/01/2020 08:30:49
berlinBlock: 12_244_000.toBlockNumber # 15/04/2021 10:07:03
)
of RopstenNet:
ChainConfig(
poaEngine: false, # TODO: use real engine conf: PoW
chainId: RopstenNet.ChainId,
homesteadBlock: 0.toBlockNumber,
daoForkSupport: false,
eip150Block: 0.toBlockNumber,
eip150Hash: toDigest("41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d"),
eip155Block: 10.toBlockNumber,
eip158Block: 10.toBlockNumber,
byzantiumBlock: 1_700_000.toBlockNumber,
constantinopleBlock: 4_230_000.toBlockNumber,
petersburgBlock:4_939_394.toBlockNumber,
istanbulBlock: 6_485_846.toBlockNumber,
muirGlacierBlock: 7_117_117.toBlockNumber,
berlinBlock: 9_812_189.toBlockNumber
)
of RinkebyNet:
ChainConfig(
poaEngine: true, # TODO: use real engine conf: PoA
chainId: RinkebyNet.ChainId,
homesteadBlock: 1.toBlockNumber,
daoForkSupport: false,
eip150Block: 2.toBlockNumber,
eip150Hash: toDigest("9b095b36c15eaf13044373aef8ee0bd3a382a5abb92e402afa44b8249c3a90e9"),
eip155Block: 3.toBlockNumber,
eip158Block: 3.toBlockNumber,
byzantiumBlock: 1_035_301.toBlockNumber,
constantinopleBlock: 3_660_663.toBlockNumber,
petersburgBlock:4_321_234.toBlockNumber,
istanbulBlock: 5_435_345.toBlockNumber,
muirGlacierBlock: 8_290_928.toBlockNumber, # never occured in rinkeby network
berlinBlock: 8_290_928.toBlockNumber
)
of GoerliNet:
ChainConfig(
poaEngine: true, # TODO: use real engine conf: PoA
chainId: GoerliNet.ChainId,
homesteadBlock: 0.toBlockNumber,
daoForkSupport: false,
eip150Block: 0.toBlockNumber,
eip150Hash: toDigest("0000000000000000000000000000000000000000000000000000000000000000"),
eip155Block: 0.toBlockNumber,
eip158Block: 0.toBlockNumber,
byzantiumBlock: 0.toBlockNumber,
constantinopleBlock: 0.toBlockNumber,
petersburgBlock: 0.toBlockNumber,
istanbulBlock: 1_561_651.toBlockNumber,
muirGlacierBlock: 4_460_644.toBlockNumber, # never occured in goerli network
berlinBlock: 4_460_644.toBlockNumber
)
else:
# everything else will use CustomNet config
let conf = getConfiguration()
trace "Custom genesis block configuration loaded", conf=conf.customGenesis.config
conf.customGenesis.config
proc processList(v: string, o: var seq[string]) =
## Process comma-separated list of strings.
if len(v) > 0:
for n in v.split({' ', ','}):
if len(n) > 0:
o.add(n)
proc processInteger*(v: string, o: var int): ConfigStatus =
## Convert string to integer.
try:
o = parseInt(v)
result = Success
except ValueError:
result = ErrorParseOption
proc processFloat*(v: string, o: var float): ConfigStatus =
## Convert string to float.
try:
o = parseFloat(v)
result = Success
except ValueError:
result = ErrorParseOption
proc processAddressPort(addrStr: string, ta: var TransportAddress): ConfigStatus =
try:
ta = initTAddress(addrStr)
return Success
except CatchableError:
return ErrorParseOption
proc processAddressPortsList(v: string,
o: var seq[TransportAddress]): ConfigStatus =
## Convert <hostname:port>;...;<hostname:port> to list of `TransportAddress`.
var list = newSeq[string]()
processList(v, list)
for item in list:
var ta: TransportAddress
if processAddressPort(item, ta) == Success:
o.add ta
else:
return ErrorParseOption
result = Success
proc processRpcApiList(v: string, flags: var set[RpcFlags]): ConfigStatus =
var list = newSeq[string]()
processList(v, list)
result = Success
for item in list:
case item.toLowerAscii()
of "eth": flags.incl RpcFlags.Eth
of "debug": flags.incl RpcFlags.Debug
else:
warn "unknown rpc api", name = item
result = ErrorIncorrectOption
proc processProtocolList(v: string, flags: var set[ProtocolFlags]): ConfigStatus =
var list = newSeq[string]()
processList(v, list)
result = Success
for item in list:
case item.toLowerAscii()
of "eth": flags.incl ProtocolFlags.Eth
of "les": flags.incl ProtocolFlags.Les
else:
warn "unknown protocol", name = item
result = ErrorIncorrectOption
proc processENode(v: string, o: var ENode): ConfigStatus =
## Convert string to ENode.
let res = ENode.fromString(v)
if res.isOk:
o = res[]
result = Success
else:
result = ErrorParseOption
proc processENodesList(v: string, o: var seq[ENode]): ConfigStatus =
## Convert comma-separated list of strings to list of ENode.
var
node: ENode
list = newSeq[string]()
processList(v, list)
for item in list:
result = processENode(item, node)
if result == Success:
o.add(node)
else:
break
proc processPrivateKey(v: string, o: var PrivateKey): ConfigStatus =
## Convert hexadecimal string to private key object.
let seckey = PrivateKey.fromHex(v)
if seckey.isOk():
o = seckey[]
return Success
result = ErrorParseOption
proc processPruneList(v: string, flags: var PruneMode): ConfigStatus =
var list = newSeq[string]()
processList(v, list)
result = Success
for item in list:
case item.toLowerAscii()
of "full": flags = PruneMode.Full
of "archive": flags = PruneMode.Archive
else:
warn "unknown prune flags", name = item
result = ErrorIncorrectOption
proc processEthArguments(key, value: string): ConfigStatus =
result = Success
let config = getConfiguration()
case key.toLowerAscii()
of "keystore":
config.keyStore = value
of "datadir":
config.dataDir = value
of "prune":
result = processPruneList(value, config.prune)
of "import":
config.importFile = value
else:
result = EmptyOption
proc processRpcArguments(key, value: string): ConfigStatus =
## Processes only `RPC` related command line options
result = Success
let config = getConfiguration()
let skey = key.toLowerAscii()
if skey == "rpc":
if RpcFlags.Enabled notin config.rpc.flags:
config.rpc.flags.incl(RpcFlags.Enabled)
config.rpc.flags.incl(defaultRpcApi)
elif skey == "rpcbind":
config.rpc.binds.setLen(0)
result = processAddressPortsList(value, config.rpc.binds)
elif skey == "rpcapi":
if RpcFlags.Enabled in config.rpc.flags:
config.rpc.flags.excl(defaultRpcApi)
else:
config.rpc.flags.incl(RpcFlags.Enabled)
result = processRpcApiList(value, config.rpc.flags)
else:
result = EmptyOption
proc processGraphqlArguments(key, value: string): ConfigStatus =
## Processes only `Graphql` related command line options
result = Success
let conf = getConfiguration()
case key.toLowerAscii()
of "graphql":
conf.graphql.enabled = true
of "graphqlbind":
result = processAddressPort(value, conf.graphql.address)
else:
result = EmptyOption
proc setBootnodes(onodes: var seq[ENode], nodeUris: openarray[string]) =
var node: ENode
onodes = newSeqOfCap[ENode](nodeUris.len)
for item in nodeUris:
doAssert(processENode(item, node) == Success)
onodes.add(node)
proc setNetwork(conf: var NetConfiguration, id: NetworkId) =
## Set network id and default network bootnodes
conf.networkId = id
case id
of MainNet:
conf.bootNodes.setBootnodes(MainnetBootnodes)
of RopstenNet:
conf.bootNodes.setBootnodes(RopstenBootnodes)
of RinkebyNet:
conf.bootNodes.setBootnodes(RinkebyBootnodes)
of GoerliNet:
conf.bootNodes.setBootnodes(GoerliBootnodes)
of KovanNet:
conf.bootNodes.setBootnodes(KovanBootnodes)
else:
# everything else will use bootnodes
# from --bootnodes switch
discard
proc processNetArguments(key, value: string): ConfigStatus =
## Processes only `Networking` related command line options
result = Success
let config = getConfiguration()
let skey = key.toLowerAscii()
if skey == "bootnodes":
result = processENodesList(value, config.net.customBootNodes)
elif skey == "bootnodesv4":
result = processENodesList(value, config.net.customBootNodes)
elif skey == "bootnodesv5":
result = processENodesList(value, config.net.customBootNodes)
elif skey == "staticnodes":
result = processENodesList(value, config.net.staticNodes)
elif skey == "testnet":
config.net.setNetwork(RopstenNet)
elif skey == "mainnet":
config.net.setNetwork(MainNet)
elif skey == "ropsten":
config.net.setNetwork(RopstenNet)
elif skey == "rinkeby":
config.net.setNetwork(RinkebyNet)
elif skey == "goerli":
config.net.setNetwork(GoerliNet)
elif skey == "kovan":
config.net.setNetwork(KovanNet)
elif skey == "customnetwork":
if not loadCustomGenesis(value, config.customGenesis):
result = Error
if NetworkIdSet notin config.net.flags:
# prevent clash with --networkid if it already set
# because any --networkid value that is not
# in the public network will also translated as
# CustomNetwork
config.net.networkId = CustomNet
elif skey == "networkid":
var res = 0
result = processInteger(value, res)
if result == Success:
config.net.setNetwork(NetworkId(result))
config.net.flags.incl NetworkIdSet
elif skey == "nodiscover":
config.net.flags.incl(NoDiscover)
elif skey == "v5discover":
config.net.flags.incl(V5Discover)
config.net.customBootNodes.setBootnodes(DiscoveryV5Bootnodes)
elif skey == "port":
var res = 0
result = processInteger(value, res)
if result == Success:
config.net.bindPort = uint16(res and 0xFFFF)
elif skey == "discport":
var res = 0
result = processInteger(value, res)
if result == Success:
config.net.discPort = uint16(res and 0xFFFF)
elif skey == "metrics":
config.net.metricsServer = true
elif skey == "metricsport":
var res = 0
result = processInteger(value, res)
if result == Success:
config.net.metricsServerPort = uint16(res and 0xFFFF)
elif skey == "maxpeers":
var res = 0
result = processInteger(value, res)
if result == Success:
config.net.maxPeers = res
elif skey == "maxpendpeers":
var res = 0
result = processInteger(value, res)
if result == Success:
config.net.maxPendingPeers = res
elif skey == "nodekey":
var res: PrivateKey
result = processPrivateKey(value, res)
if result == Success:
config.net.nodeKey = res
elif skey == "ident":
config.net.ident = value
elif skey == "nat":
case value.toLowerAscii:
of "any":
config.net.nat = NatAny
of "upnp":
config.net.nat = NatUpnp
of "pmp":
config.net.nat = NatPmp
of "none":
config.net.nat = NatNone
else:
if isIpAddress(value):
config.net.externalIP = value
config.net.nat = NatNone
else:
error "not a valid NAT mechanism, nor a valid IP address", value
result = ErrorParseOption
elif skey == "protocols":
config.net.protocols = {}
result = processProtocolList(value, config.net.protocols)
else:
result = EmptyOption
proc processDebugArguments(key, value: string): ConfigStatus =
## Processes only `Debug` related command line options
let config = getConfiguration()
result = Success
let skey = key.toLowerAscii()
if skey == "debug":
config.debug.flags.incl(DebugFlags.Enabled)
elif skey == "test":
var res = newSeq[string]()
processList(value, res)
for item in res:
if item == "test1":
config.debug.flags.incl(DebugFlags.Test1)
elif item == "test2":
config.debug.flags.incl(DebugFlags.Test2)
elif item == "test3":
config.debug.flags.incl(DebugFlags.Test3)
elif skey == "log-level":
try:
let logLevel = parseEnum[LogLevel](value)
if logLevel >= enabledLogLevel:
config.debug.logLevel = logLevel
else:
result = ErrorIncorrectOption
except ValueError:
result = ErrorIncorrectOption
elif skey == "log-file":
if len(value) == 0:
result = ErrorIncorrectOption
else:
config.debug.logFile = value
elif skey == "logmetrics":
config.debug.logMetrics = true
elif skey == "logmetricsinterval":
var res = 0
result = processInteger(value, res)
if result == Success:
config.debug.logMetricsInterval = res
else:
result = EmptyOption
proc dumpConfiguration*(): string =
## Dumps current configuration as string
let config = getConfiguration()
result = repr config
template processArgument(processor, key, value, msg: untyped) =
## Checks if arguments got processed successfully
var res = processor(string(key), string(value))
if res == Success:
result = res
continue
elif res == ErrorParseOption:
msg = "Error processing option '" & key & "' with value '" & value & "'."
result = res
break
elif res == ErrorIncorrectOption:
msg = "Incorrect value for option '" & key & "': '" & value & "'."
result = res
break
proc getDefaultDataDir*(): string =
when defined(windows):
"AppData" / "Roaming" / "Nimbus"
elif defined(macosx):
"Library" / "Application Support" / "Nimbus"
else:
".cache" / "nimbus"
proc getDefaultKeystoreDir*(): string =
getDefaultDataDir() / "keystore"
proc initConfiguration(): NimbusConfiguration =
## Allocates and initializes `NimbusConfiguration` with default values
result = new NimbusConfiguration
result.rng = newRng()
result.accounts = initTable[EthAddress, NimbusAccount]()
## Graphql defaults
result.graphql.enabled = false
result.graphql.address = initTAddress("127.0.0.1:8547")
## RPC defaults
result.rpc.flags = {}
result.rpc.binds = @[initTAddress("127.0.0.1:8545")]
## Network defaults
result.net.setNetwork(defaultNetwork)
result.net.maxPeers = 25
result.net.maxPendingPeers = 0
result.net.bindPort = 30303'u16
result.net.discPort = 30303'u16
result.net.metricsServer = false
result.net.metricsServerPort = 9093'u16
result.net.ident = NimbusIdent
result.net.nat = NatAny
result.net.protocols = defaultProtocols
result.net.nodekey = random(PrivateKey, result.rng[])
const
dataDir = getDefaultDataDir()
keystore = getDefaultKeystoreDir()
result.dataDir = getHomeDir() / dataDir
result.keystore = getHomeDir() / keystore
result.prune = PruneMode.Full
## Debug defaults
result.debug.flags = {}
result.debug.logLevel = defaultLogLevel
result.debug.logMetrics = false
result.debug.logMetricsInterval = 10
proc getConfiguration*(): NimbusConfiguration =
## Retreive current configuration object `NimbusConfiguration`.
if isNil(nimbusConfig):
nimbusConfig = initConfiguration()
result = nimbusConfig
proc getHelpString*(): string =
var logLevels: seq[string]
for level in LogLevel:
if level < enabledLogLevel:
continue
logLevels.add($level)
result = """
USAGE:
nimbus [options]
ETHEREUM OPTIONS:
--datadir:<value> Base directory for all blockchain-related data
--keystore:<value> Directory for the keystore (default: inside datadir)
--prune:<value> Blockchain prune mode (full or archive, default: full)
--import:<path> Import RLP encoded block(s), validate, write to database and quit
NETWORKING OPTIONS:
--bootnodes:<value> Comma separated enode URLs for P2P discovery bootstrap (set v4+v5 instead for light servers)
--bootnodesv4:<value> Comma separated enode URLs for P2P v4 discovery bootstrap (light server, full nodes)
--bootnodesv5:<value> Comma separated enode URLs for P2P v5 discovery bootstrap (light server, light nodes)
--staticnodes:<value> Comma separated enode URLs to connect with
--port:<value> Network listening TCP port (default: 30303)
--discport:<value> Network listening UDP port (defaults to --port argument)
--maxpeers:<value> Maximum number of network peers (default: 25)
--maxpendpeers:<value> Maximum number of pending connection attempts (default: 0)
--nat:<value> NAT port mapping mechanism (any|none|upnp|pmp|<external IP>) (default: "any")
--nodiscover Disables the peer discovery mechanism (manual peer addition)
--v5discover Enables the experimental RLPx V5 (topic discovery) mechanism
--nodekey:<value> P2P node private key (as hexadecimal string)
--ident:<value> Client identifier (default is '$1')
--protocols:<value> Enable specific set of protocols (default: $4)
ETHEREUM NETWORK OPTIONS:
--mainnet Use Ethereum main network (default)
--testnet Use Ropsten test network
--ropsten Use Ropsten test network (proof-of-work, the one most like Ethereum mainnet)
--goerli Use Görli test network (proof-of-authority, works across all clients)
--rinkeby Use Rinkeby test network (proof-of-authority, for those running Geth clients)
--kovan Use Kovan test network (proof-of-authority, for those running OpenEthereum clients)
--networkid:<value> Network id (0=custom, 1=mainnet, 3=ropsten, 4=rinkeby, 5=goerli, 42=kovan, other...)
--customnetwork:<path> Use custom genesis block for private Ethereum Network (as /path/to/genesis.json)
LOCAL SERVICE OPTIONS:
--metrics Enable the metrics HTTP server
--metricsport:<value> Set port (always on localhost) metrics HTTP server will bind to (default: 9093)
--rpc Enable the HTTP-RPC server
--rpcbind:<value> Set address:port pair(s) (comma-separated) HTTP-RPC server will bind to (default: localhost:8545)
--rpcapi:<value> Enable specific set of RPC API from list (comma-separated) (available: eth, debug)
--graphql Enable the HTTP-GraphQL server
--graphqlbind:<value> Set address:port pair GraphQL server will bind (default: localhost:8547)
LOGGING AND DEBUGGING OPTIONS:
--log-level:<value> One of: $2 (default: $3)
--log-file:<value> Optional log file, replacing stdout
--logmetrics Enable metrics logging
--logmetricsinterval:<value> Interval at which to log metrics, in seconds (default: 10)
--debug Enable debug mode
--test:<value> Perform specified test
""" % [
NimbusIdent,
join(logLevels, ", "),
$defaultLogLevel,
strip($defaultProtocols, chars = {'{','}'}),
]
when declared(os.paramCount): # not available with `--app:lib`
proc processArguments*(msg: var string, opt: var OptParser): ConfigStatus =
## Process command line argument and update `NimbusConfiguration`.
let config = getConfiguration()
# At this point `config.net.discPort` is likely populated with network default
# discPort. We want to override those if it is specified on the command line.
config.net.discPort = 0
var length = 0
for kind, key, value in opt.getopt():
result = Error
case kind
of cmdArgument:
discard
of cmdLongOption, cmdShortOption:
inc(length)
case key.toLowerAscii()
of "help", "h":
msg = getHelpString()
result = Success
break
of "version", "ver", "v":
msg = NimbusVersion
result = Success
break
else:
processArgument processEthArguments, key, value, msg
processArgument processRpcArguments, key, value, msg
processArgument processNetArguments, key, value, msg
processArgument processDebugArguments, key, value, msg
processArgument processGraphqlArguments, key, value, msg
if result != Success:
msg = "Unknown option: '" & key & "'."
break
of cmdEnd:
doAssert(false) # we're never getting this kind here
if config.net.discPort == 0:
config.net.discPort = config.net.bindPort
proc processArguments*(msg: var string): ConfigStatus =
var opt = initOptParser()
processArguments(msg, opt)
proc processConfiguration*(pathname: string): ConfigStatus =
## Process configuration file `pathname` and update `NimbusConfiguration`.
result = Success