nimbus-eth2/beacon_chain/conf_light_client.nim

177 lines
5.7 KiB
Nim

# beacon_chain
# Copyright (c) 2022-2024 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
{.push raises: [].}
import
json_serialization/std/net,
./conf
export net, conf
type LightClientConf* = object
# Config
configFile* {.
desc: "Loads the configuration from a TOML file"
name: "config-file" .}: Option[InputFile]
# Logging
logLevel* {.
desc: "Sets the log level"
defaultValue: "INFO"
name: "log-level" .}: string
logStdout* {.
hidden
desc: "Specifies what kind of logs should be written to stdout (auto, colors, nocolors, json)"
defaultValueDesc: "auto"
defaultValue: StdoutLogKind.Auto
name: "log-format" .}: StdoutLogKind
logFile* {.
desc: "Specifies a path for the written Json log file (deprecated)"
name: "log-file" .}: Option[OutFile]
# Storage
dataDir* {.
desc: "The directory where nimbus will store all blockchain data"
defaultValue: config.defaultDataDir()
defaultValueDesc: ""
abbr: "d"
name: "data-dir" .}: OutDir
# Network
eth2Network* {.
desc: "The Eth2 network to join"
defaultValueDesc: "mainnet"
name: "network" .}: Option[string]
# Libp2p
bootstrapNodes* {.
desc: "Specifies one or more bootstrap nodes to use when connecting to the network"
abbr: "b"
name: "bootstrap-node" .}: seq[string]
bootstrapNodesFile* {.
desc: "Specifies a line-delimited file of bootstrap Ethereum network addresses"
defaultValue: ""
name: "bootstrap-file" .}: InputFile
listenAddress* {.
desc: "Listening address for the Ethereum LibP2P and Discovery v5 traffic"
name: "listen-address" .}: Option[IpAddress]
tcpPort* {.
desc: "Listening TCP port for Ethereum LibP2P traffic"
defaultValue: defaultEth2TcpPort
defaultValueDesc: $defaultEth2TcpPortDesc
name: "tcp-port" .}: Port
udpPort* {.
desc: "Listening UDP port for node discovery"
defaultValue: defaultEth2TcpPort
defaultValueDesc: $defaultEth2TcpPortDesc
name: "udp-port" .}: Port
maxPeers* {.
desc: "The target number of peers to connect to"
defaultValue: 160 # 5 (fanout) * 64 (subnets) / 2 (subs) for a heathy mesh
name: "max-peers" .}: int
hardMaxPeers* {.
desc: "The maximum number of peers to connect to. Defaults to maxPeers * 1.5"
name: "hard-max-peers" .}: Option[int]
nat* {.
desc: "Specify method to use for determining public address. " &
"Must be one of: any, none, upnp, pmp, extip:<IP>"
defaultValue: NatConfig(hasExtIp: false, nat: NatAny)
defaultValueDesc: "any"
name: "nat" .}: NatConfig
enrAutoUpdate* {.
desc: "Discovery can automatically update its ENR with the IP address " &
"and UDP port as seen by other nodes it communicates with. " &
"This option allows to enable/disable this functionality"
defaultValue: false
name: "enr-auto-update" .}: bool
enableYamux* {.
hidden
desc: "Enable the Yamux multiplexer"
defaultValue: false
name: "debug-enable-yamux" .}: bool
agentString* {.
defaultValue: "nimbus",
desc: "Node agent string which is used as identifier in network"
name: "agent-string" .}: string
discv5Enabled* {.
desc: "Enable Discovery v5"
defaultValue: true
name: "discv5" .}: bool
directPeers* {.
desc: "The list of priviledged, secure and known peers to connect and maintain the connection to, this requires a not random netkey-file. In the complete multiaddress format like: /ip4/<address>/tcp/<port>/p2p/<peerId-public-key>. Peering agreements are established out of band and must be reciprocal."
name: "direct-peer" .}: seq[string]
# Light client
trustedBlockRoot* {.
desc: "Recent trusted finalized block root to initialize light client from"
name: "trusted-block-root" .}: Eth2Digest
# Execution layer
web3Urls* {.
desc: "One or more execution layer Engine API URLs"
name: "web3-url" .}: seq[EngineApiUrlConfigValue]
elUrls* {.
desc: "One or more execution layer Engine API URLs"
name: "el" .}: seq[EngineApiUrlConfigValue]
noEl* {.
defaultValue: false
desc: "Don't use an EL. The node will remain optimistically synced and won't be able to perform validator duties"
name: "no-el" .}: bool
jwtSecret* {.
desc: "A file containing the hex-encoded 256 bit secret key to be used for verifying/generating JWT tokens"
name: "jwt-secret" .}: Option[InputFile]
bandwidthEstimate* {.
hidden
desc: "Bandwidth estimate for the node (bits per second)"
name: "debug-bandwidth-estimate" .}: Option[Natural]
# Testing
stopAtEpoch* {.
hidden
desc: "The wall-time epoch at which to exit the program. (for testing purposes)"
defaultValue: 0
name: "debug-stop-at-epoch" .}: uint64
template databaseDir*(config: LightClientConf): string =
config.dataDir.databaseDir
template loadJwtSecret*(
rng: var HmacDrbgContext,
config: LightClientConf,
allowCreate: bool): Option[seq[byte]] =
rng.loadJwtSecret(string(config.dataDir), config.jwtSecret, allowCreate)
proc engineApiUrls*(config: LightClientConf): seq[EngineApiUrl] =
let elUrls = if config.noEl:
return newSeq[EngineApiUrl]()
elif config.elUrls.len == 0 and config.web3Urls.len == 0:
@[getDefaultEngineApiUrl(config.jwtSecret)]
else:
config.elUrls
(elUrls & config.web3Urls).toFinalEngineApiUrls(
config.jwtSecret.configJwtSecretOpt)