nimbus-eth2/beacon_chain/conf.nim

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import
os, options, strformat,
confutils/defs, chronicles/options as chroniclesOptions,
spec/[crypto, datatypes], time, version
export
defs
const
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defaultPort* = 9000
type
ValidatorKeyPath* = TypedInputFile[ValidatorPrivKey, Txt, "privkey"]
StartUpCommand* = enum
noCommand
importValidator
createTestnet
updateTestnet
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BeaconNodeConf* = object
logLevel* {.
desc: "Sets the log level",
defaultValue: enabledLogLevel.}: LogLevel
network* {.
desc: "The network Nimbus should connect to. " &
"Possible values: testnet0, testnet1, mainnet, custom-network.json"
longform: "network"
shortform: "n"
defaultValue: "testnet0".}: string
dataDir* {.
desc: "The directory where nimbus will store all blockchain data."
shortform: "d"
defaultValue: config.defaultDataDir().}: OutDir
case cmd* {.
command
defaultValue: noCommand.}: StartUpCommand
of noCommand:
bootstrapNodes* {.
desc: "Specifies one or more bootstrap nodes to use when connecting to the network."
longform: "bootstrapNode"
shortform: "b".}: seq[string]
bootstrapNodesFile* {.
desc: "Specifies a line-delimited file of bootsrap Ethereum network addresses"
shortform: "f"
defaultValue: "".}: InputFile
tcpPort* {.
desc: "TCP listening port"
defaultValue: defaultPort .}: int
udpPort* {.
desc: "UDP listening port",
defaultValue: defaultPort .}: int
nat* {.
desc: "Specify method to use for determining public address. Must be one of: any, extip:<IP>"
defaultValue: "any" .}: string
validators* {.
required
desc: "Path to a validator private key, as generated by validator_keygen"
longform: "validator"
shortform: "v".}: seq[ValidatorKeyPath]
stateSnapshot* {.
desc: "Json file specifying a recent state snapshot"
shortform: "s".}: Option[TypedInputFile[BeaconState, Json, "json"]]
nodename* {.
desc: "A name for this node that will appear in the logs. " &
"If you set this to 'auto', a persistent automatically generated ID will be seleceted for each --dataDir folder"
defaultValue: ""}: string
of createTestnet:
networkId* {.
desc: "An unique numeric identifier for the network".}: uint64
validatorsDir* {.
desc: "Directory containing validator descriptors named vXXXXXXX.deposit.json"
shortform: "d".}: InputDir
totalValidators* {.
desc: "The number of validators in the newly created chain".}: uint64
firstValidator* {.
desc: "Index of first validator to add to validator list"
defaultValue: 0 .}: uint64
lastUserValidator* {.
desc: "The last validator index that will free for taking from a testnet participant"
defaultValue: 0 .}: uint64
bootstrapAddress* {.
desc: "The public IP address that will be advertised as a bootstrap node for the testnet"
defaultValue: "127.0.0.1".}: string
bootstrapPort* {.
desc: "The TCP/UDP port that will be used by the bootstrap node"
defaultValue: defaultPort .}: int
genesisOffset* {.
desc: "Seconds from now to add to genesis time"
shortForm: "g"
defaultValue: 5 .}: int
outputGenesis* {.
desc: "Output file where to write the initial state snapshot".}: OutFile
outputNetwork* {.
desc: "Output file where to write the initial state snapshot".}: OutFile
of importValidator:
keyFiles* {.
longform: "keyfile"
desc: "File with validator key to be imported (in hex form)".}: seq[ValidatorKeyPath]
of updateTestnet:
discard
proc defaultDataDir*(conf: BeaconNodeConf): string =
let dataDir = when defined(windows):
"AppData" / "Roaming" / "Nimbus"
elif defined(macosx):
"Library" / "Application Support" / "Nimbus"
else:
".cache" / "nimbus"
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let networkDir = if conf.network in ["testnet0", "testnet1", "mainnet"]:
conf.network
else:
# TODO: This seems silly. Perhaps we should error out here and ask
# the user to specify dataDir as well.
"tempnet"
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getHomeDir() / dataDir / "BeaconNode" / networkDir
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proc validatorFileBaseName*(validatorIdx: int): string =
# there can apparently be tops 4M validators so we use 7 digits..
fmt"v{validatorIdx:07}"