678 lines
23 KiB
Nim
678 lines
23 KiB
Nim
{.push raises: [Defect].}
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import
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strutils, os, options, unicode, uri,
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chronicles, chronicles/options as chroniclesOptions,
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confutils, confutils/defs, confutils/std/net, stew/shims/net as stewNet,
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stew/io2, unicodedb/properties, normalize,
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eth/common/eth_types as commonEthTypes,
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eth/p2p/discoveryv5/enr,
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json_serialization, web3/[ethtypes, confutils_defs],
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spec/[crypto, keystore, digest, datatypes, network],
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network_metadata, filepath
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export
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uri,
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defaultEth2TcpPort, enabledLogLevel, ValidIpAddress,
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defs, parseCmdArg, completeCmdArg, network_metadata
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type
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BNStartUpCmd* = enum
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noCommand
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createTestnet
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deposits
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wallets
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record
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web3
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WalletsCmd* {.pure.} = enum
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create = "Creates a new EIP-2386 wallet"
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restore = "Restores a wallet from cold storage"
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list = "Lists details about all wallets"
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DepositsCmd* {.pure.} = enum
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# create = "Creates validator keystores and deposits"
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`import` = "Imports password-protected keystores interactively"
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# status = "Displays status information about all deposits"
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exit = "Submits a validator voluntary exit"
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VCStartUpCmd* = enum
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VCNoCommand
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RecordCmd* {.pure.} = enum
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create = "Create a new ENR"
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print = "Print the content of a given ENR"
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Web3Cmd* {.pure.} = enum
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test = "Test a web3 provider"
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Web3Mode* {.pure.} = enum
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auto # Enabled only when validators are attached
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enabled # Always enabled
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disabled # Always disabled
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SlashingDbKind* {.pure.} = enum
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v1
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v2
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both
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BeaconNodeConf* = object
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logLevel* {.
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defaultValue: "INFO"
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desc: "Sets the log level for process and topics (e.g. \"DEBUG; TRACE:discv5,libp2p; REQUIRED:none; DISABLED:none\")"
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name: "log-level" }: string
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logFile* {.
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desc: "Specifies a path for the written Json log file"
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name: "log-file" }: Option[OutFile]
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eth2Network* {.
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desc: "The Eth2 network to join"
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name: "network" }: Option[string]
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dataDir* {.
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defaultValue: config.defaultDataDir()
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desc: "The directory where nimbus will store all blockchain data"
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abbr: "d"
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name: "data-dir" }: OutDir
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validatorsDirFlag* {.
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desc: "A directory containing validator keystores"
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name: "validators-dir" }: Option[InputDir]
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secretsDirFlag* {.
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desc: "A directory containing validator keystore passwords"
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name: "secrets-dir" }: Option[InputDir]
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walletsDirFlag* {.
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desc: "A directory containing wallet files"
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name: "wallets-dir" }: Option[InputDir]
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web3Url* {.
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defaultValue: ""
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desc: "URL of the Web3 server to observe Eth1"
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name: "web3-url" }: string
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web3Mode* {.
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hidden
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defaultValue: Web3Mode.auto
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desc: "URL of the Web3 server to observe Eth1"
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name: "web3-mode" }: Web3Mode
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nonInteractive* {.
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desc: "Do not display interative prompts. Quit on missing configuration"
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name: "non-interactive" }: bool
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netKeyFile* {.
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defaultValue: "random",
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desc: "Source of network (secp256k1) private key file " &
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"(random|<path>) (default: random)"
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name: "netkey-file" }: string
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netKeyInsecurePassword* {.
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defaultValue: false,
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desc: "Use pre-generated INSECURE password for network private key " &
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"file (default: false)"
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name: "insecure-netkey-password" }: bool
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agentString* {.
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defaultValue: "nimbus",
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desc: "Node agent string which is used as identifier in network"
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name: "agent-string" }: string
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subscribeAllSubnets* {.
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defaultValue: false,
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desc: "Subscribe to all attestation subnet topics when gossiping"
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name: "subscribe-all-subnets" }: bool
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slashingDbKind* {.
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hidden
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defaultValue: SlashingDbKind.v1
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desc: "The slashing DB flavour to use (v1, v2 or both)"
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name: "slashing-db-kind" }: SlashingDbKind
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case cmd* {.
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command
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defaultValue: noCommand }: BNStartUpCmd
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of noCommand:
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bootstrapNodes* {.
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desc: "Specifies one or more bootstrap nodes to use when connecting to the network"
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abbr: "b"
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name: "bootstrap-node" }: seq[string]
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bootstrapNodesFile* {.
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defaultValue: ""
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desc: "Specifies a line-delimited file of bootstrap Ethereum network addresses"
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name: "bootstrap-file" }: InputFile
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listenAddress* {.
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defaultValue: defaultListenAddress(config)
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desc: "Listening address for the Ethereum LibP2P and Discovery v5 traffic"
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name: "listen-address" }: ValidIpAddress
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tcpPort* {.
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defaultValue: defaultEth2TcpPort
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desc: "Listening TCP port for Ethereum LibP2P traffic"
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name: "tcp-port" }: Port
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udpPort* {.
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defaultValue: defaultEth2TcpPort
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desc: "Listening UDP port for node discovery"
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name: "udp-port" }: Port
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maxPeers* {.
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defaultValue: 160 # 5 (fanout) * 64 (subnets) / 2 (subs) for a heathy mesh
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desc: "The maximum number of peers to connect to"
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name: "max-peers" }: int
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nat* {.
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desc: "Specify method to use for determining public address. " &
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"Must be one of: any, none, upnp, pmp, extip:<IP>"
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defaultValue: "any" }: string
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enrAutoUpdate* {.
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defaultValue: false
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desc: "Discovery can automatically update its ENR with the IP address " &
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"and UDP port as seen by other nodes it communicates with. " &
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"This option allows to enable/disable this functionality"
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name: "enr-auto-update" .}: bool
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weakSubjectivityCheckpoint* {.
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desc: "Weak subjectivity checkpoint in the format block_root:epoch_number"
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name: "weak-subjectivity-checkpoint" }: Option[Checkpoint]
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finalizedCheckpointState* {.
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desc: "SSZ file specifying a recent finalized state"
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name: "finalized-checkpoint-state" }: Option[InputFile]
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finalizedCheckpointBlock* {.
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desc: "SSZ file specifying a recent finalized block"
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name: "finalized-checkpoint-block" }: Option[InputFile]
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nodeName* {.
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defaultValue: ""
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desc: "A name for this node that will appear in the logs. " &
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"If you set this to 'auto', a persistent automatically generated ID will be selected for each --data-dir folder"
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name: "node-name" }: string
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graffiti* {.
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desc: "The graffiti value that will appear in proposed blocks. " &
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"You can use a 0x-prefixed hex encoded string to specify raw bytes"
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name: "graffiti" }: Option[GraffitiBytes]
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verifyFinalization* {.
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defaultValue: false
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desc: "Specify whether to verify finalization occurs on schedule, for testing"
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name: "verify-finalization" }: bool
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stopAtEpoch* {.
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defaultValue: 0
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desc: "A positive epoch selects the epoch at which to stop"
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name: "stop-at-epoch" }: uint64
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metricsEnabled* {.
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defaultValue: false
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desc: "Enable the metrics server"
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name: "metrics" }: bool
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metricsAddress* {.
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defaultValue: defaultAdminListenAddress(config)
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desc: "Listening address of the metrics server"
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name: "metrics-address" }: ValidIpAddress
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metricsPort* {.
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defaultValue: 8008
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desc: "Listening HTTP port of the metrics server"
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name: "metrics-port" }: Port
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statusBarEnabled* {.
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defaultValue: true
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desc: "Display a status bar at the bottom of the terminal screen"
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name: "status-bar" }: bool
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statusBarContents* {.
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defaultValue: "peers: $connected_peers;" &
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"finalized: $finalized_root:$finalized_epoch;" &
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"head: $head_root:$head_epoch:$head_epoch_slot;" &
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"time: $epoch:$epoch_slot ($slot);" &
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"sync: $sync_status|" &
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"ETH: $attached_validators_balance"
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desc: "Textual template for the contents of the status bar"
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name: "status-bar-contents" }: string
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rpcEnabled* {.
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defaultValue: false
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desc: "Enable the JSON-RPC server"
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name: "rpc" }: bool
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rpcPort* {.
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defaultValue: defaultEth2RpcPort
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desc: "HTTP port for the JSON-RPC service"
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name: "rpc-port" }: Port
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rpcAddress* {.
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defaultValue: defaultAdminListenAddress(config)
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desc: "Listening address of the RPC server"
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name: "rpc-address" }: ValidIpAddress
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inProcessValidators* {.
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defaultValue: true # the use of the nimbus_signing_process binary by default will be delayed until async I/O over stdin/stdout is developed for the child process.
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desc: "Disable the push model (the beacon node tells a signing process with the private keys of the validators what to sign and when) and load the validators in the beacon node itself"
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name: "in-process-validators" }: bool
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discv5Enabled* {.
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defaultValue: true
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desc: "Enable Discovery v5"
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name: "discv5" }: bool
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dumpEnabled* {.
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defaultValue: false
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desc: "Write SSZ dumps of blocks, attestations and states to data dir"
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name: "dump" }: bool
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doppelgangerDetection* {.
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defaultValue: true
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desc: "Whether to detect whether another validator is be running the same validator keys (default true)"
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name: "doppelganger-detection"
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}: bool
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of createTestnet:
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testnetDepositsFile* {.
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desc: "A LaunchPad deposits file for the genesis state validators"
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name: "deposits-file" }: InputFile
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totalValidators* {.
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desc: "The number of validator deposits in the newly created chain"
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name: "total-validators" }: uint64
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firstValidator* {.
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defaultValue: 0
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desc: "Index of first validator to add to validator list"
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name: "first-validator" }: uint64
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lastUserValidator* {.
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defaultValue: config.totalValidators - 1,
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desc: "The last validator index that will be free for taking from a testnet participant"
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name: "last-user-validator" }: uint64
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bootstrapAddress* {.
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defaultValue: init(ValidIpAddress, "127.0.0.1")
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desc: "The public IP address that will be advertised as a bootstrap node for the testnet"
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name: "bootstrap-address" }: ValidIpAddress
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bootstrapPort* {.
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defaultValue: defaultEth2TcpPort
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desc: "The TCP/UDP port that will be used by the bootstrap node"
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name: "bootstrap-port" }: Port
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genesisOffset* {.
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defaultValue: 5
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desc: "Seconds from now to add to genesis time"
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name: "genesis-offset" }: int
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outputGenesis* {.
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desc: "Output file where to write the initial state snapshot"
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name: "output-genesis" }: OutFile
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withGenesisRoot* {.
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defaultValue: false
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desc: "Include a genesis root in 'network.json'"
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name: "with-genesis-root" }: bool
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outputBootstrapFile* {.
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desc: "Output file with list of bootstrap nodes for the network"
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name: "output-bootstrap-file" }: OutFile
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of wallets:
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case walletsCmd* {.command.}: WalletsCmd
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of WalletsCmd.create:
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nextAccount* {.
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desc: "Initial value for the 'nextaccount' property of the wallet"
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name: "next-account" }: Option[Natural]
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createdWalletNameFlag* {.
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desc: "An easy-to-remember name for the wallet of your choice"
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name: "name"}: Option[WalletName]
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createdWalletFileFlag* {.
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desc: "Output wallet file"
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name: "out" }: Option[OutFile]
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of WalletsCmd.restore:
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restoredWalletNameFlag* {.
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desc: "An easy-to-remember name for the wallet of your choice"
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name: "name"}: Option[WalletName]
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restoredWalletFileFlag* {.
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desc: "Output wallet file"
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name: "out" }: Option[OutFile]
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restoredDepositsCount* {.
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desc: "Expected number of deposits to recover. If not specified, " &
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"Nimbus will try to guess the number by inspecting the latest " &
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"beacon state"
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name: "deposits".}: Option[Natural]
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of WalletsCmd.list:
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discard
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of deposits:
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case depositsCmd* {.command.}: DepositsCmd
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#[
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of DepositsCmd.create:
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totalDeposits* {.
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defaultValue: 1
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desc: "Number of deposits to generate"
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name: "count" }: int
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existingWalletId* {.
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desc: "An existing wallet ID. If not specified, a new wallet will be created"
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name: "wallet" }: Option[WalletName]
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outValidatorsDir* {.
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defaultValue: "validators"
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desc: "Output folder for validator keystores"
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name: "out-validators-dir" }: string
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outSecretsDir* {.
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defaultValue: "secrets"
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desc: "Output folder for randomly generated keystore passphrases"
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name: "out-secrets-dir" }: string
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outDepositsFile* {.
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desc: "The name of generated deposits file"
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name: "out-deposits-file" }: Option[OutFile]
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newWalletNameFlag* {.
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desc: "An easy-to-remember name for the wallet of your choice"
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name: "new-wallet-name" }: Option[WalletName]
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newWalletFileFlag* {.
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desc: "Output wallet file"
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name: "new-wallet-file" }: Option[OutFile]
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of DepositsCmd.status:
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discard
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#]#
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of DepositsCmd.`import`:
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importedDepositsDir* {.
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argument
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desc: "A directory with keystores to import" }: Option[InputDir]
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of DepositsCmd.exit:
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exitedValidator* {.
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name: "validator"
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desc: "Validator index or a public key of the exited validator" }: string
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rpcUrlForExit* {.
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name: "rpc-url"
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defaultValue: parseUri("http://localhost:" & $defaultEth2RpcPort)
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desc: "URL of the beacon node JSON-RPC service" }: Uri
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exitAtEpoch* {.
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name: "epoch"
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desc: "The desired exit epoch" }: Option[uint64]
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of record:
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case recordCmd* {.command.}: RecordCmd
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of RecordCmd.create:
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ipExt* {.
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desc: "External IP address"
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name: "ip" .}: ValidIpAddress
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tcpPortExt* {.
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desc: "External TCP port"
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name: "tcp-port" .}: Port
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udpPortExt* {.
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desc: "External UDP port"
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name: "udp-port" .}: Port
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seqNumber* {.
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defaultValue: 1,
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desc: "Record sequence number"
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name: "seq-number" .}: uint
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fields* {.
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desc: "Additional record key pairs, provide as <string>:<bytes in hex>"
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name: "field" .}: seq[(string)]
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of RecordCmd.print:
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recordPrint* {.
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argument
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desc: "ENR URI of the record to print"
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name: "enr" .}: Record
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of web3:
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case web3Cmd* {.command.}: Web3Cmd
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of Web3Cmd.test:
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web3TestUrl* {.
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argument
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desc: "The web3 provider URL to test"
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name: "url" }: Uri
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ValidatorClientConf* = object
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logLevel* {.
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defaultValue: "INFO"
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desc: "Sets the log level"
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name: "log-level" }: string
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logFile* {.
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desc: "Specifies a path for the written Json log file"
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name: "log-file" }: Option[OutFile]
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dataDir* {.
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defaultValue: config.defaultDataDir()
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desc: "The directory where nimbus will store all blockchain data"
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abbr: "d"
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name: "data-dir" }: OutDir
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nonInteractive* {.
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desc: "Do not display interative prompts. Quit on missing configuration"
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name: "non-interactive" }: bool
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validatorsDirFlag* {.
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desc: "A directory containing validator keystores"
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name: "validators-dir" }: Option[InputDir]
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secretsDirFlag* {.
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desc: "A directory containing validator keystore passwords"
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name: "secrets-dir" }: Option[InputDir]
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case cmd* {.
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command
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defaultValue: VCNoCommand }: VCStartUpCmd
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of VCNoCommand:
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graffiti* {.
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desc: "The graffiti value that will appear in proposed blocks. " &
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"You can use a 0x-prefixed hex encoded string to specify raw bytes"
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name: "graffiti" }: Option[GraffitiBytes]
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stopAtEpoch* {.
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defaultValue: 0
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desc: "A positive epoch selects the epoch at which to stop"
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name: "stop-at-epoch" }: uint64
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rpcPort* {.
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defaultValue: defaultEth2RpcPort
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desc: "HTTP port of the server to connect to for RPC - for the validator duties in the pull model"
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name: "rpc-port" }: Port
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rpcAddress* {.
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defaultValue: defaultAdminListenAddress(config)
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desc: "Address of the server to connect to for RPC - for the validator duties in the pull model"
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name: "rpc-address" }: ValidIpAddress
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retryDelay* {.
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defaultValue: 10
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desc: "Delay in seconds between retries after unsuccessful attempts to connect to a beacon node"
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name: "retry-delay" }: int
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proc defaultDataDir*(config: BeaconNodeConf|ValidatorClientConf): string =
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let dataDir = when defined(windows):
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"AppData" / "Roaming" / "Nimbus"
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elif defined(macosx):
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"Library" / "Application Support" / "Nimbus"
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else:
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".cache" / "nimbus"
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getHomeDir() / dataDir / "BeaconNode"
|
|
|
|
func dumpDir*(config: BeaconNodeConf|ValidatorClientConf): string =
|
|
config.dataDir / "dump"
|
|
|
|
func dumpDirInvalid*(config: BeaconNodeConf|ValidatorClientConf): string =
|
|
config.dumpDir / "invalid" # things that failed validation
|
|
|
|
func dumpDirIncoming*(config: BeaconNodeConf|ValidatorClientConf): string =
|
|
config.dumpDir / "incoming" # things that couldn't be validated (missingparent etc)
|
|
|
|
func dumpDirOutgoing*(config: BeaconNodeConf|ValidatorClientConf): string =
|
|
config.dumpDir / "outgoing" # things we produced
|
|
|
|
proc createDumpDirs*(config: BeaconNodeConf) =
|
|
if config.dumpEnabled:
|
|
let resInv = secureCreatePath(config.dumpDirInvalid)
|
|
if resInv.isErr():
|
|
warn "Could not create dump directory", path = config.dumpDirInvalid
|
|
let resInc = secureCreatePath(config.dumpDirIncoming)
|
|
if resInc.isErr():
|
|
warn "Could not create dump directory", path = config.dumpDirIncoming
|
|
let resOut = secureCreatePath(config.dumpDirOutgoing)
|
|
if resOut.isErr():
|
|
warn "Could not create dump directory", path = config.dumpDirOutgoing
|
|
|
|
func parseCmdArg*(T: type GraffitiBytes, input: TaintedString): T
|
|
{.raises: [ValueError, Defect].} =
|
|
GraffitiBytes.init(string input)
|
|
|
|
func completeCmdArg*(T: type GraffitiBytes, input: TaintedString): seq[string] =
|
|
return @[]
|
|
|
|
func parseCmdArg*(T: type BlockHashOrNumber, input: TaintedString): T
|
|
{.raises: [ValueError, Defect].} =
|
|
init(BlockHashOrNumber, string input)
|
|
|
|
func completeCmdArg*(T: type BlockHashOrNumber, input: TaintedString): seq[string] =
|
|
return @[]
|
|
|
|
func parseCmdArg*(T: type Uri, input: TaintedString): T
|
|
{.raises: [ValueError, Defect].} =
|
|
parseUri(input.string)
|
|
|
|
func completeCmdArg*(T: type Uri, input: TaintedString): seq[string] =
|
|
return @[]
|
|
|
|
func parseCmdArg*(T: type Checkpoint, input: TaintedString): T
|
|
{.raises: [ValueError, Defect].} =
|
|
let sepIdx = find(input.string, ':')
|
|
if sepIdx == -1:
|
|
raise newException(ValueError,
|
|
"The weak subjectivity checkpoint must be provided in the `block_root:epoch_number` format")
|
|
T(root: Eth2Digest.fromHex(input[0 ..< sepIdx]),
|
|
epoch: parseBiggestUInt(input[sepIdx .. ^1]).Epoch)
|
|
|
|
func completeCmdArg*(T: type Checkpoint, input: TaintedString): seq[string] =
|
|
return @[]
|
|
|
|
proc isPrintable(rune: Rune): bool =
|
|
# This can be eventually replaced by the `unicodeplus` package, but a single
|
|
# proc does not justify the extra dependencies at the moment:
|
|
# https://github.com/nitely/nim-unicodeplus
|
|
# https://github.com/nitely/nim-segmentation
|
|
rune == Rune(0x20) or unicodeCategory(rune) notin ctgC+ctgZ
|
|
|
|
func parseCmdArg*(T: type WalletName, input: TaintedString): T
|
|
{.raises: [ValueError, Defect].} =
|
|
if input.len == 0:
|
|
raise newException(ValueError, "The wallet name should not be empty")
|
|
if input[0] == '_':
|
|
raise newException(ValueError, "The wallet name should not start with an underscore")
|
|
for rune in runes(input.string):
|
|
if not rune.isPrintable:
|
|
raise newException(ValueError, "The wallet name should consist only of printable characters")
|
|
|
|
# From the Unicode Normalization FAQ (https://unicode.org/faq/normalization.html):
|
|
# NFKC is the preferred form for identifiers, especially where there are security concerns
|
|
# (see UTR #36 http://www.unicode.org/reports/tr36/)
|
|
return T(toNFKC(input))
|
|
|
|
func completeCmdArg*(T: type WalletName, input: TaintedString): seq[string] =
|
|
return @[]
|
|
|
|
proc parseCmdArg*(T: type enr.Record, p: TaintedString): T
|
|
{.raises: [ConfigurationError, Defect].} =
|
|
if not fromURI(result, p):
|
|
raise newException(ConfigurationError, "Invalid ENR")
|
|
|
|
proc completeCmdArg*(T: type enr.Record, val: TaintedString): seq[string] =
|
|
return @[]
|
|
|
|
func validatorsDir*(config: BeaconNodeConf|ValidatorClientConf): string =
|
|
string config.validatorsDirFlag.get(InputDir(config.dataDir / "validators"))
|
|
|
|
func secretsDir*(config: BeaconNodeConf|ValidatorClientConf): string =
|
|
string config.secretsDirFlag.get(InputDir(config.dataDir / "secrets"))
|
|
|
|
func walletsDir*(config: BeaconNodeConf): string =
|
|
if config.walletsDirFlag.isSome:
|
|
config.walletsDirFlag.get.string
|
|
else:
|
|
config.dataDir / "wallets"
|
|
|
|
func outWalletName*(config: BeaconNodeConf): Option[WalletName] =
|
|
proc fail {.noReturn.} =
|
|
raiseAssert "outWalletName should be used only in the right context"
|
|
|
|
case config.cmd
|
|
of wallets:
|
|
case config.walletsCmd
|
|
of WalletsCmd.create: config.createdWalletNameFlag
|
|
of WalletsCmd.restore: config.restoredWalletNameFlag
|
|
of WalletsCmd.list: fail()
|
|
of deposits:
|
|
# TODO: Uncomment when the deposits create command is restored
|
|
#case config.depositsCmd
|
|
#of DepositsCmd.create: config.newWalletNameFlag
|
|
#else: fail()
|
|
fail()
|
|
else:
|
|
fail()
|
|
|
|
func outWalletFile*(config: BeaconNodeConf): Option[OutFile] =
|
|
proc fail {.noReturn.} =
|
|
raiseAssert "outWalletName should be used only in the right context"
|
|
|
|
case config.cmd
|
|
of wallets:
|
|
case config.walletsCmd
|
|
of WalletsCmd.create: config.createdWalletFileFlag
|
|
of WalletsCmd.restore: config.restoredWalletFileFlag
|
|
of WalletsCmd.list: fail()
|
|
of deposits:
|
|
# TODO: Uncomment when the deposits create command is restored
|
|
#case config.depositsCmd
|
|
#of DepositsCmd.create: config.newWalletFileFlag
|
|
#else: fail()
|
|
fail()
|
|
else:
|
|
fail()
|
|
|
|
func databaseDir*(config: BeaconNodeConf|ValidatorClientConf): string =
|
|
config.dataDir / "db"
|
|
|
|
func defaultListenAddress*(config: BeaconNodeConf|ValidatorClientConf): ValidIpAddress =
|
|
# TODO: How should we select between IPv4 and IPv6
|
|
# Maybe there should be a config option for this.
|
|
(static ValidIpAddress.init("0.0.0.0"))
|
|
|
|
func defaultAdminListenAddress*(config: BeaconNodeConf|ValidatorClientConf): ValidIpAddress =
|
|
(static ValidIpAddress.init("127.0.0.1"))
|
|
|
|
template writeValue*(writer: var JsonWriter,
|
|
value: TypedInputFile|InputFile|InputDir|OutPath|OutDir|OutFile) =
|
|
writer.writeValue(string value)
|