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# 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
ws*: RpcConfiguration ## Websocket 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
verifyFromOk*: bool ## activate `verifyFrom` setting
verifyFrom*: uint64 ## verification start block, 0 for disable
engineSigner*: EthAddress ## Miner account
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.londonBlock: FkLondon
elif 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
londonBlock: 12_965_000.toBlockNumber, # 05/08/2021 12:33:42
)
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,
londonBlock: 10_499_401.toBlockNumber # June 24, 2021
)
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,
londonBlock: 8_897_988.toBlockNumber # July 7, 2021
)
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,
londonBlock: 5_062_605.toBlockNumber # June 30, 2021
)
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 processUInt64*(v: string, o: var uint64): ConfigStatus =
## Convert string to integer.
try:
o = parseBiggestUInt(v).uint64
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 processEthAddress(value: string, address: var EthAddress): ConfigStatus =
try:
address = hexToByteArray[20](value)
return Success
except CatchableError:
return ErrorParseOption
proc importPrivateKey(conf: NimbusConfiguration, fileName: string): ConfigStatus =
try:
let pkhex = readFile(fileName)
let res = PrivateKey.fromHex(pkhex)
if res.isErr:
error "not a valid private key, expect 32 bytes hex"
return ErrorParseOption
let seckey = res.get()
let acc = seckey.toPublicKey().toCanonicalAddress()
conf.accounts[acc] = NimbusAccount(
privateKey: seckey,
unlocked: true
)
except CatchableError:
return ErrorParseOption
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
of "verifyfrom":
var res = 0u64
result = processUInt64(value, res)
config.verifyFrom = uint64(result)
config.verifyFromOk = true
of "engine-signer":
result = processEthAddress(value, config.engineSigner)
of "import-key":
result = config.importPrivateKey(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 processWsArguments(key, value: string): ConfigStatus =
## Processes only `Websocket RPC` related command line options
result = Success
let config = getConfiguration()
let skey = key.toLowerAscii()
if skey == "ws":
if RpcFlags.Enabled notin config.ws.flags:
config.ws.flags.incl(RpcFlags.Enabled)
config.ws.flags.incl(defaultRpcApi)
elif skey == "wsbind":
config.ws.binds.setLen(0)
result = processAddressPortsList(value, config.ws.binds)
elif skey == "wsapi":
if RpcFlags.Enabled in config.ws.flags:
config.ws.flags.excl(defaultRpcApi)
else:
config.ws.flags.incl(RpcFlags.Enabled)
result = processRpcApiList(value, config.ws.flags)
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(res))
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")]
## Websocket RPC defaults
result.ws.flags = {}
result.ws.binds = @[initTAddress("127.0.0.1:8546")]
## 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
--engine-signer:<value> Enables mining. value is EthAddress in hex
--import-key:<path> Import unencrypted 32 bytes hex private key file
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)
--ws Enable the Websocket JSON-RPC server
--wsbind:<value> Set address:port pair Websocket JSON-RPC server will bind to (default: localhost:8546)
--wsapi:<value> Enable specific set of Websocket RPC API from list (comma-separated) (available: eth, debug)
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
processArgument processWsArguments, 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
if NetworkIdSet notin config.net.flags and config.net.networkId == CustomNet:
# WARNING: networkId and chainId are two distinct things
# they usage should not be mixed in other places
# we only set networkId to chainId if networkId not set in cli and
# we are using custom genesis/custom chain config via json file.
config.net.networkId = NetworkId(config.customGenesis.config.chainId)
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
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