nimbus-eth1/nimbus/config.nim

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2018-04-27 08:53:53 +00:00
# Nimbus
# Copyright (c) 2018-2019 Status Research & Development GmbH
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# 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],
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chronos, eth/[keys, common, p2p, net/nat], chronicles, nimcrypto/hash,
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eth/p2p/bootnodes, eth/p2p/rlpx_protocols/whisper_protocol,
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./db/select_backend, eth/keys,
./vm_types2
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const
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NimbusName* = "Nimbus"
## project name string
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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.
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NimbusIdent* = "$1/$2 ($3/$4)" % [NimbusName, NimbusVersion, hostCPU, hostOS]
## project ident name for networking services
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GitRevision = staticExec("git rev-parse --short HEAD").replace("\n") # remove CR
NimVersion = staticExec("nim --version")
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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]
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type
ConfigStatus* = enum
## Configuration status flags
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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
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RpcFlags* {.pure.} = enum
## RPC flags
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Enabled ## RPC enabled
Eth ## enable eth_ set of RPC API
Shh ## enable shh_ set of RPC API
Debug ## enable debug_ set of RPC API
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ProtocolFlags* {.pure.} = enum
## Protocol flags
Eth ## enable eth subprotocol
Shh ## enable whisper subprotocol
Les ## enable les subprotocol
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RpcConfiguration* = object
## JSON-RPC configuration object
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flags*: set[RpcFlags] ## RPC flags
binds*: seq[TransportAddress] ## RPC bind address
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GraphqlConfiguration* = object
enabled*: bool
address*: TransportAddress
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PublicNetwork* = enum
CustomNet = 0
MainNet = 1
# No longer used: MordenNet = 2
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RopstenNet = 3
RinkebyNet = 4
GoerliNet = 5
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KovanNet = 42
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NetworkFlags* = enum
## Ethereum network flags
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NoDiscover, ## Peer discovery disabled
V5Discover, ## Dicovery V5 enabled
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DebugFlags* {.pure.} = enum
## Debug selection flags
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Enabled, ## Debugging enabled
Test1, ## Test1 enabled
Test2, ## Test2 enabled
Test3 ## Test3 enabled
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NetConfiguration* = object
## Network configuration object
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flags*: set[NetworkFlags] ## Network flags
bootNodes*: seq[ENode] ## List of bootnodes
staticNodes*: seq[ENode] ## List of static nodes to connect to
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bindPort*: uint16 ## Main TCP bind port
discPort*: uint16 ## Discovery UDP bind port
metricsServer*: bool ## Enable metrics server
metricsServerPort*: uint16 ## metrics HTTP server port
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maxPeers*: int ## Maximum allowed number of peers
maxPendingPeers*: int ## Maximum allowed pending peers
networkId*: NetworkId ## Network ID as integer
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ident*: string ## Server ident name string
nodeKey*: PrivateKey ## Server private key
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nat*: NatStrategy ## NAT strategy
externalIP*: string ## user-provided external IP
protocols*: set[ProtocolFlags]## Enabled subprotocols
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DebugConfiguration* = object
## Debug configuration object
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flags*: set[DebugFlags] ## Debug flags
logLevel*: LogLevel ## Log level
logFile*: string ## Log file
logMetrics*: bool ## Enable metrics logging
logMetricsInterval*: int ## Metrics logging interval
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PruneMode* {.pure.} = enum
Full
Archive
NimbusAccount* = object
privateKey*: PrivateKey
keystore*: JsonNode
unlocked*: bool
# beware that although in some cases
# chainId have identical value to networkId
# they are separate entity
ChainId* = distinct uint
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ChainConfig* = object
chainId*: ChainId
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homesteadBlock*: BlockNumber
daoForkBlock*: BlockNumber
daoForkSupport*: bool
# EIP150 implements the Gas price changes (https://github.com/ethereum/EIPs/issues/150)
eip150Block*: BlockNumber
eip150Hash*: Hash256
eip155Block*: BlockNumber
eip158Block*: BlockNumber
byzantiumBlock*: BlockNumber
constantinopleBlock*: BlockNumber
petersburgBlock*: BlockNumber
istanbulBlock*: BlockNumber
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muirGlacierBlock*: BlockNumber
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berlinBlock*: BlockNumber
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NimbusConfiguration* = ref object
## Main Nimbus configuration object
dataDir*: string
keyStore*: string
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prune*: PruneMode
graphql*: GraphqlConfiguration
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rpc*: RpcConfiguration ## JSON-RPC configuration
net*: NetConfiguration ## Network configuration
debug*: DebugConfiguration ## Debug configuration
shh*: WhisperConfig ## Whisper configuration
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customGenesis*: CustomGenesisConfig ## Custom Genesis Configuration
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# 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
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CustomGenesisConfig* = object
chainId*: ChainId
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homesteadBlock*: BlockNumber
daoForkBlock*: BlockNumber
daoForkSupport*: bool
eip150Block*: BlockNumber
eip150Hash*: Hash256
eip155Block*: BlockNumber
eip158Block*: BlockNumber
byzantiumBlock*: BlockNumber
constantinopleBlock*: BlockNumber
petersburgBlock*: BlockNumber
istanbulBlock*: BlockNumber
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muirGlacierBlock*: BlockNumber
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berlinBlock*: BlockNumber
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nonce*: BlockNonce
extraData*: seq[byte]
gasLimit*: int64
difficulty*: UInt256
prealloc*: JsonNode
mixHash*: Hash256
coinBase*: EthAddress
timestamp*: EthTime
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const
defaultRpcApi = {RpcFlags.Eth, RpcFlags.Shh}
defaultProtocols = {ProtocolFlags.Eth, ProtocolFlags.Shh}
defaultLogLevel = LogLevel.WARN
defaultNetwork = MainNet
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var nimbusConfig {.threadvar.}: NimbusConfiguration
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proc getConfiguration*(): NimbusConfiguration {.gcsafe.}
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proc `$`*(c: ChainId): string =
$(c.int)
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proc toFork*(c: ChainConfig, number: BlockNumber): Fork =
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if number >= c.berlinBlock: FkBerlin
elif number >= c.istanbulBlock: FkIstanbul
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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
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proc privateChainConfig*(): ChainConfig =
let config = getConfiguration()
result = ChainConfig(
chainId: config.customGenesis.chainId,
homesteadBlock: config.customGenesis.homesteadBlock,
daoForkSupport: config.customGenesis.daoForkSupport,
daoForkBlock: config.customGenesis.daoForkBlock,
eip150Block: config.customGenesis.eip150Block,
eip150Hash: config.customGenesis.eip150Hash,
eip155Block: config.customGenesis.eip155Block,
eip158Block: config.customGenesis.eip158Block,
byzantiumBlock: config.customGenesis.byzantiumBlock,
constantinopleBlock: config.customGenesis.constantinopleBlock,
petersburgBlock: config.customGenesis.petersburgBlock,
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istanbulBlock: config.customGenesis.istanbulBlock,
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muirGlacierBlock: config.customGenesis.muirGlacierBlock,
berlinBlock: config.customGenesis.berlinBlock
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)
trace "Custom genesis block configuration loaded", configuration=result
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proc publicChainConfig*(id: PublicNetwork): ChainConfig =
# For some public networks, NetworkId and ChainId value are identical
# but that is not always the case
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result = case id
of MainNet:
ChainConfig(
chainId: MainNet.ChainId,
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homesteadBlock: 1_150_000.toBlockNumber, # 14/03/2016 20:49:53
daoForkBlock: 1_920_000.toBlockNumber,
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daoForkSupport: true,
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eip150Block: 2_463_000.toBlockNumber, # 18/10/2016 17:19:31
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eip150Hash: toDigest("2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
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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
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muirGlacierBlock: 9_200_000.toBlockNumber, # 02/01/2020 08:30:49
berlinBlock: high(BlockNumber).toBlockNumber
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)
of RopstenNet:
ChainConfig(
chainId: RopstenNet.ChainId,
homesteadBlock: 0.toBlockNumber,
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daoForkSupport: false,
eip150Block: 0.toBlockNumber,
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eip150Hash: toDigest("41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d"),
eip155Block: 10.toBlockNumber,
eip158Block: 10.toBlockNumber,
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byzantiumBlock: 1_700_000.toBlockNumber,
constantinopleBlock: 4_230_000.toBlockNumber,
petersburgBlock:4_939_394.toBlockNumber,
istanbulBlock: 6_485_846.toBlockNumber,
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muirGlacierBlock: 7_117_117.toBlockNumber,
berlinBlock: high(BlockNumber).toBlockNumber
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)
of RinkebyNet:
ChainConfig(
chainId: RinkebyNet.ChainId,
homesteadBlock: 1.toBlockNumber,
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daoForkSupport: false,
eip150Block: 2.toBlockNumber,
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eip150Hash: toDigest("9b095b36c15eaf13044373aef8ee0bd3a382a5abb92e402afa44b8249c3a90e9"),
eip155Block: 3.toBlockNumber,
eip158Block: 3.toBlockNumber,
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byzantiumBlock: 1_035_301.toBlockNumber,
constantinopleBlock: 3_660_663.toBlockNumber,
petersburgBlock:4_321_234.toBlockNumber,
istanbulBlock: 5_435_345.toBlockNumber,
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muirGlacierBlock: high(BlockNumber).toBlockNumber,
berlinBlock: high(BlockNumber).toBlockNumber
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)
of GoerliNet:
ChainConfig(
chainId: GoerliNet.ChainId,
homesteadBlock: 0.toBlockNumber,
daoForkSupport: false,
eip150Block: 0.toBlockNumber,
eip150Hash: toDigest("0000000000000000000000000000000000000000000000000000000000000000"),
eip155Block: 0.toBlockNumber,
eip158Block: 0.toBlockNumber,
byzantiumBlock: 0.toBlockNumber,
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constantinopleBlock: 0.toBlockNumber,
petersburgBlock: 0.toBlockNumber,
istanbulBlock: 1_561_651.toBlockNumber,
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muirGlacierBlock: high(BlockNumber).toBlockNumber,
berlinBlock: high(BlockNumber).toBlockNumber
)
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of CustomNet:
privateChainConfig()
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else:
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error "No chain config for public network", networkId = id
doAssert(false, "No chain config for " & $id)
ChainConfig()
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proc processCustomGenesisConfig(customGenesis: JsonNode): ConfigStatus =
## Parses Custom Genesis Block config options when customnetwork option provided
template checkForFork(chain, currentFork, previousFork: untyped) =
# Template to load fork blocks and validate order
let currentForkName = currentFork.astToStr()
if chain.hasKey(currentForkName):
if chain[currentForkName].kind == JInt:
currentFork = chain[currentForkName].getInt().toBlockNumber
if currentFork < previousFork:
error "Forks can't be assigned out of order"
quit(1)
else:
error "Invalid block value provided for", currentForkName, invalidValue=currentFork
quit(1)
proc parseConfig(T: type, c: JsonNode, field: string): T =
when T is string:
c[field].getStr()
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elif T is Uint256:
hexToUint[256](c[field].getStr())
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elif T is bool:
c[field].getBool()
elif T is Hash256:
MDigest[256].fromHex(c[field].getStr())
elif T is uint:
c[field].getInt().uint
elif T is Blocknonce:
(parseHexInt(c[field].getStr()).uint64).toBlockNonce
elif T is EthTime:
fromHex[int64](c[field].getStr()).fromUnix
elif T is EthAddress:
parseAddress(c[field].getStr())
elif T is seq[byte]:
hexToSeqByte(c[field].getStr())
elif T is int64:
fromHex[int64](c[field].getStr())
elif T is ChainId:
c[field].getInt().T
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template validateConfigValue(chainDetails, field, jtype, T: untyped, checkError: static[bool] = true) =
let fieldName = field.astToStr()
if chainDetails.hasKey(fieldName):
if chainDetails[fieldName].kind == jtype:
field = parseConfig(T, chainDetails, fieldName)
else:
error "Invalid value provided for ", fieldName
quit(1)
else:
when checkError:
error "No value found in genesis block for", fieldName
quit(1)
let config = getConfiguration()
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result = Success
var
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chainId = 1.ChainId
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homesteadBlock, daoForkblock, eip150Block, eip155Block, eip158Block, byzantiumBlock, constantinopleBlock = 0.toBlockNumber
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petersburgBlock, istanbulBlock, muirGlacierBlock, berlinBlock = 0.toBlockNumber
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eip150Hash, mixHash : MDigest[256]
daoForkSupport = false
nonce = 66.toBlockNonce
extraData = hexToSeqByte("0x")
gasLimit = 16777216.int64
difficulty = 1048576.u256
alloc = parseJson("{}")
timestamp : EthTime
coinbase : EthAddress
if customGenesis.hasKey("config"):
# Validate all fork blocks for custom genesis
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let forkDetails = customGenesis["config"]
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validateConfigValue(forkDetails, chainId, JInt, ChainId, checkError=false)
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checkForFork(forkDetails, homesteadBlock, 0.toBlockNumber)
validateConfigValue(forkDetails, daoForkSupport, JBool, bool, checkError=false)
if daoForkSupport == true:
checkForFork(forkDetails, daoForkBlock, 0.toBlockNumber)
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checkForFork(forkDetails, eip150Block, homesteadBlock)
validateConfigValue(forkDetails, eip150Hash, JString, Hash256, checkError = false)
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checkForFork(forkDetails, eip155Block, eip150Block)
checkForFork(forkDetails, eip158Block, eip155Block)
checkForFork(forkDetails, byzantiumBlock, eip158Block)
checkForFork(forkDetails, constantinopleBlock, byzantiumBlock)
checkForFork(forkDetails, petersburgBlock, constantinopleBlock)
checkForFork(forkDetails, istanbulBlock, petersburgBlock)
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checkForFork(forkDetails, muirGlacierBlock, istanbulBlock)
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checkForFork(forkDetails, istanbulBlock, berlinBlock)
validateConfigValue(customGenesis, nonce, JString, BlockNonce, checkError = false)
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validateConfigValue(customGenesis, extraData, JSTring, seq[byte], checkError = false)
validateConfigValue(customGenesis, gasLimit, JString, int64, checkError = false)
validateConfigValue(customGenesis, difficulty, JString, UInt256)
if customGenesis.hasKey("alloc"):
alloc = customGenesis["alloc"]
validateConfigValue(customGenesis, mixHash, JString, Hash256, checkError = false)
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validateConfigValue(customGenesis, coinbase, JString, EthAddress, checkError = false)
validateConfigValue(customGenesis, timestamp, JString, EthTime, checkError = false)
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config.customGenesis = CustomGenesisConfig(
chainId: chainId,
homesteadBlock: homesteadBlock,
eip150Block: eip150Block,
eip150Hash: eip150Hash,
eip155Block: eip155Block,
eip158Block: eip158Block,
daoForkSupport: daoForkSupport,
byzantiumBlock: byzantiumBlock,
constantinopleBlock: constantinopleBlock,
petersburgBlock: petersburgBlock,
istanbulBlock: istanbulBlock,
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muirGlacierBlock: muirGlacierBlock,
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berlinBlock: berlinBlock,
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nonce: nonce,
extraData: extraData,
gasLimit: gasLimit,
difficulty: difficulty,
prealloc: alloc,
mixHash: mixHash,
coinbase: coinbase,
timestamp: timestamp
)
proc customGenesis(key, value: string): ConfigStatus =
if value == "":
error "No genesis block config provided for custom network", network=key
result = ErrorParseOption
else:
try:
result = processCustomGenesisConfig(parseFile(value))
except IOError:
error "Genesis block config file not found", invalidFileName=value
result = ErrorParseOption
except JsonParsingError:
error "Invalid genesis block config file format", invalidFileName=value
result = ErrorIncorrectOption
except:
var msg = getCurrentExceptionMsg()
error "Error loading genesis block config file", invalidFileName=msg
result = Error
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proc processList(v: string, o: var seq[string]) =
## Process comma-separated list of strings.
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if len(v) > 0:
for n in v.split({' ', ','}):
if len(n) > 0:
o.add(n)
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proc processInteger*(v: string, o: var int): ConfigStatus =
## Convert string to integer.
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try:
o = parseInt(v)
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result = Success
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except ValueError:
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result = ErrorParseOption
proc processFloat*(v: string, o: var float): ConfigStatus =
## Convert string to float.
try:
o = parseFloat(v)
result = Success
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except ValueError:
result = ErrorParseOption
proc processAddressPort(addrStr: string, ta: var TransportAddress): ConfigStatus =
try:
ta = initTAddress(addrStr)
return Success
except CatchableError:
return ErrorParseOption
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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
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else:
return ErrorParseOption
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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 "shh": flags.incl RpcFlags.Shh
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 "shh": flags.incl ProtocolFlags.Shh
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
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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
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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
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of "datadir":
config.dataDir = value
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of "prune":
result = processPruneList(value, config.prune)
of "import":
config.importFile = value
else:
result = EmptyOption
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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)
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elif skey == "rpcbind":
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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)
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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
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proc setBootnodes(onodes: var seq[ENode], nodeUris: openarray[string]) =
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var node: ENode
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onodes = newSeqOfCap[ENode](nodeUris.len)
for item in nodeUris:
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doAssert(processENode(item, node) == Success)
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onodes.add(node)
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macro availableEnumValues(T: type enum): untyped =
let impl = getTypeImpl(T)[1].getTypeImpl()
result = newNimNode(nnkBracket)
for i in 1 ..< impl.len: result.add(newCall("NetworkId", copyNimTree(impl[i])))
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proc toPublicNetwork*(id: NetworkId): PublicNetwork {.inline.} =
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if id in availableEnumValues(PublicNetwork):
result = PublicNetwork(id)
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proc setNetwork(conf: var NetConfiguration, id: PublicNetwork) =
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## Set network id and default network bootnodes
conf.networkId = NetworkId(id)
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case id
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of MainNet:
conf.bootNodes.setBootnodes(MainnetBootnodes)
of RopstenNet:
conf.bootNodes.setBootnodes(RopstenBootnodes)
of RinkebyNet:
conf.bootNodes.setBootnodes(RinkebyBootnodes)
of GoerliNet:
conf.bootNodes.setBootnodes(GoerliBootnodes)
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of KovanNet:
conf.bootNodes.setBootnodes(KovanBootnodes)
of CustomNet:
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discard
proc setNetwork(conf: var NetConfiguration, id: NetworkId) =
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## Set network id and default network bootnodes
let pubNet = toPublicNetwork(id)
if pubNet == CustomNet:
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conf.networkId = id
else:
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conf.setNetwork(pubNet)
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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":
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result = processENodesList(value, config.net.bootNodes)
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elif skey == "bootnodesv4":
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result = processENodesList(value, config.net.bootNodes)
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elif skey == "bootnodesv5":
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result = processENodesList(value, config.net.bootNodes)
elif skey == "staticnodes":
result = processENodesList(value, config.net.staticNodes)
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elif skey == "testnet":
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config.net.setNetwork(RopstenNet)
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elif skey == "mainnet":
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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)
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elif skey == "kovan":
config.net.setNetwork(KovanNet)
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elif skey == "customnetwork":
result = customGenesis(key, value)
config.net.networkId = NetworkId(CustomNet)
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elif skey == "networkid":
var res = 0
result = processInteger(value, res)
if result == Success:
config.net.setNetwork(NetworkId(result))
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elif skey == "nodiscover":
config.net.flags.incl(NoDiscover)
elif skey == "v5discover":
config.net.flags.incl(V5Discover)
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config.net.bootNodes.setBootnodes(DiscoveryV5Bootnodes)
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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)
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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
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elif skey == "ident":
config.net.ident = value
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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 processShhArguments(key, value: string): ConfigStatus =
## Processes only `Shh` related command line options
result = Success
let config = getConfiguration()
let skey = key.toLowerAscii()
if skey == "shh-maxsize":
var res = 0
result = processInteger(value, res)
if result == Success:
config.shh.maxMsgSize = res.uint32
elif skey == "shh-pow":
var res = 0.0
result = processFloat(value, res)
if result == Success:
config.shh.powRequirement = res
elif skey == "shh-light":
config.shh.isLightNode = true
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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
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proc dumpConfiguration*(): string =
## Dumps current configuration as string
let config = getConfiguration()
result = repr config
template processArgument(processor, key, value, msg: untyped) =
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## Checks if arguments got processed successfully
var res = processor(string(key), string(value))
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if res == Success:
result = res
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continue
elif res == ErrorParseOption:
msg = "Error processing option '" & key & "' with value '" & value & "'."
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result = res
break
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elif res == ErrorIncorrectOption:
msg = "Incorrect value for option '" & key & "': '" & value & "'."
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result = res
break
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proc getDefaultDataDir*(): string =
when defined(windows):
"AppData" / "Roaming" / "Nimbus"
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elif defined(macosx):
"Library" / "Application Support" / "Nimbus"
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else:
".cache" / "nimbus"
proc getDefaultKeystoreDir*(): string =
getDefaultDataDir() / "keystore"
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proc initConfiguration(): NimbusConfiguration =
## Allocates and initializes `NimbusConfiguration` with default values
result = new NimbusConfiguration
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result.rng = newRng()
result.accounts = initTable[EthAddress, NimbusAccount]()
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## Graphql defaults
result.graphql.enabled = false
result.graphql.address = initTAddress("127.0.0.1:8547")
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## RPC defaults
result.rpc.flags = {}
result.rpc.binds = @[initTAddress("127.0.0.1:8545")]
## Network defaults
result.net.setNetwork(defaultNetwork.NetworkId)
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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
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result.net.ident = NimbusIdent
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result.net.nat = NatAny
result.net.protocols = defaultProtocols
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result.net.nodekey = random(PrivateKey, result.rng[])
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const
dataDir = getDefaultDataDir()
keystore = getDefaultKeystoreDir()
result.dataDir = getHomeDir() / dataDir
result.keystore = getHomeDir() / keystore
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result.prune = PruneMode.Full
## Whisper defaults
result.shh.maxMsgSize = defaultMaxMsgSize
result.shh.powRequirement = defaultMinPow
result.shh.isLightNode = false
result.shh.bloom = fullBloom()
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## Debug defaults
result.debug.flags = {}
result.debug.logLevel = defaultLogLevel
result.debug.logMetrics = false
result.debug.logMetricsInterval = 10
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proc getConfiguration*(): NimbusConfiguration =
## Retreive current configuration object `NimbusConfiguration`.
if isNil(nimbusConfig):
nimbusConfig = initConfiguration()
result = nimbusConfig
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proc getHelpString*(): string =
var logLevels: seq[string]
for level in LogLevel:
if level < enabledLogLevel:
continue
logLevels.add($level)
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result = """
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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
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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)
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--maxpeers:<value> Maximum number of network peers (default: 25)
--maxpendpeers:<value> Maximum number of pending connection attempts (default: 0)
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--nat:<value> NAT port mapping mechanism (any|none|upnp|pmp|<external IP>) (default: "any")
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--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)
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--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)
WHISPER OPTIONS:
--shh-maxsize:<value> Max message size accepted (default: $5)
--shh-pow:<value> Minimum POW accepted (default: $6)
--shh-light Run as Whisper light client (no outgoing messages)
LOCAL SERVICE OPTIONS:
--metrics Enable the metrics HTTP server
--metricsport:<value> Set port (always on localhost) metrics HTTP server will bind to (default: 9093)
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--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, shh, debug)
--graphql Enable the HTTP-GraphQL server
--graphqlbind:<value> Set address:port pair GraphQL server will bind (default: localhost:8547)
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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)
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--debug Enable debug mode
--test:<value> Perform specified test
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""" % [
NimbusIdent,
join(logLevels, ", "),
$defaultLogLevel,
strip($defaultProtocols, chars = {'{','}'}),
$defaultMaxMsgSize,
$defaultMinPow,
$ord(defaultNetwork)
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]
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when declared(os.paramCount): # not available with `--app:lib`
proc processArguments*(msg: var string): ConfigStatus =
## Process command line argument and update `NimbusConfiguration`.
let config = getConfiguration()
# At this point `config.net.bootnodes` is likely populated with network default
# bootnodes. We want to override those if at least one custom bootnode is
# specified on the command line. We temporarily set `config.net.bootNodes`
# to empty seq, and in the end restore it if no bootnodes were spricified on
# the command line.
# TODO: This is pretty hacky and it's better to refactor it to make a clear
# distinction between default and custom bootnodes.
var tempBootNodes: seq[ENode]
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swap(tempBootNodes, config.net.bootNodes)
# The same trick is done to discPort
config.net.discPort = 0
var opt = initOptParser()
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 processShhArguments, 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.bootNodes.len == 0:
# No custom bootnodes were specified on the command line, restore to
# previous values
swap(tempBootNodes, config.net.bootNodes)
if config.net.discPort == 0:
config.net.discPort = config.net.bindPort
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proc processConfiguration*(pathname: string): ConfigStatus =
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## Process configuration file `pathname` and update `NimbusConfiguration`.
result = Success