338 lines
10 KiB
Nim
338 lines
10 KiB
Nim
{.push raises: [Defect].}
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import
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os, options, strformat, strutils,
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chronicles, confutils, json_serialization,
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confutils/defs, confutils/std/net,
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chronicles/options as chroniclesOptions,
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spec/[crypto]
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export
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defs, enabledLogLevel, parseCmdArg, completeCmdArg
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type
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ValidatorKeyPath* = TypedInputFile[ValidatorPrivKey, Txt, "privkey"]
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StartUpCmd* = enum
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noCommand
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importValidator
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createTestnet
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makeDeposits
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query
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QueryCmd* = enum
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nimQuery
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get
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Eth1Network* = enum
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custom
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mainnet
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rinkeby
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goerli
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BeaconNodeConf* = object
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logLevel* {.
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defaultValue: LogLevel.DEBUG
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desc: "Sets the log level."
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name: "log-level" }: LogLevel
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eth1Network* {.
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defaultValue: goerli
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desc: "The Eth1 network tracked by the beacon node."
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name: "eth1-network" }: Eth1Network
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quickStart* {.
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defaultValue: false
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desc: "Run in quickstart mode"
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name: "quick-start" }: bool
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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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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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depositContractAddress* {.
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defaultValue: ""
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desc: "Address of the deposit contract."
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name: "deposit-contract" }: string
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case cmd* {.
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command
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defaultValue: noCommand }: StartUpCmd
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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 bootsrap Ethereum network addresses."
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name: "bootstrap-file" }: InputFile
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libp2pAddress* {.
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defaultValue: defaultListenAddress(config)
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desc: "Listening address for the Ethereum LibP2P traffic."
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name: "listen-address"}: IpAddress
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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: 10
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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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validators* {.
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required
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desc: "Path to a validator private key, as generated by makeDeposits."
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abbr: "v"
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name: "validator" }: seq[ValidatorKeyPath]
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stateSnapshot* {.
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desc: "Json file specifying a recent state snapshot."
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abbr: "s"
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name: "state-snapshot" }: 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 seleceted for each --dataDir folder."
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name: "node-name" }: string
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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" }: IpAddress
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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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"epoch: $epoch, slot: $epoch_slot/$slots_per_epoch ($slot); " &
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"finalized epoch: $last_finalized_epoch |" &
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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" }: IpAddress
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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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of createTestnet:
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validatorsDir* {.
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desc: "Directory containing validator descriptors named 'vXXXXXXX.deposit.json'."
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abbr: "d"
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name: "validators-dir" }: InputDir
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totalValidators* {.
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desc: "The number of validators 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 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: parseIpAddress("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" }: IpAddress
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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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abbr: "g"
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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 importValidator:
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keyFiles* {.
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desc: "File with validator key to be imported (in hex form)."
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name: "keyfile" }: seq[ValidatorKeyPath]
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of makeDeposits:
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totalQuickstartDeposits* {.
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defaultValue: 0
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desc: "Number of quick-start deposits to generate."
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name: "quickstart-deposits" }: int
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totalRandomDeposits* {.
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defaultValue: 0
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desc: "Number of secure random deposits to generate."
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name: "random-deposits" }: int
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depositsDir* {.
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defaultValue: "validators"
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desc: "Folder to write deposits to."
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name: "deposits-dir" }: string
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depositPrivateKey* {.
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defaultValue: ""
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desc: "Private key of the controlling (sending) account",
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name: "deposit-private-key" }: string
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minDelay* {.
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defaultValue: 0.0
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desc: "Minimum possible delay between making two deposits (in seconds)"
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name: "min-delay" }: float
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maxDelay* {.
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defaultValue: 0.0
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desc: "Maximum possible delay between making two deposits (in seconds)"
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name: "max-delay" }: float
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of query:
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case queryCmd* {.
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defaultValue: nimQuery
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command
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desc: "Query the beacon node database and print the result" }: QueryCmd
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of nimQuery:
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nimQueryExpression* {.
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argument
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desc: "Nim expression to evaluate (using limited syntax)" }: string
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of get:
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getQueryPath* {.
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argument
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desc: "REST API path to evaluate" }: string
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proc defaultDataDir*(conf: BeaconNodeConf): 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"
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proc validatorFileBaseName*(validatorIdx: int): string =
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# there can apparently be tops 4M validators so we use 7 digits..
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try:
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fmt"v{validatorIdx:07}"
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except ValueError as e:
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raiseAssert e.msg
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func dumpDir*(conf: BeaconNodeConf): string =
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conf.dataDir / "dump"
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func localValidatorsDir*(conf: BeaconNodeConf): string =
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conf.dataDir / "validators"
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func databaseDir*(conf: BeaconNodeConf): string =
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conf.dataDir / "db"
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func defaultListenAddress*(conf: BeaconNodeConf): IpAddress =
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# TODO: How should we select between IPv4 and IPv6
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# Maybe there should be a config option for this.
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return static: parseIpAddress("0.0.0.0")
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func defaultAdminListenAddress*(conf: BeaconNodeConf): IpAddress =
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return static: parseIpAddress("127.0.0.1")
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iterator validatorKeys*(conf: BeaconNodeConf): ValidatorPrivKey =
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for validatorKeyFile in conf.validators:
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try:
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yield validatorKeyFile.load
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except CatchableError as err:
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warn "Failed to load validator private key",
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file = validatorKeyFile.string, err = err.msg
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try:
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for kind, file in walkDir(conf.localValidatorsDir):
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if kind in {pcFile, pcLinkToFile} and
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cmpIgnoreCase(".privkey", splitFile(file).ext) == 0:
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try:
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yield ValidatorPrivKey.init(readFile(file).string)
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except CatchableError as err:
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warn "Failed to load a validator private key", file, err = err.msg
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except OSError as err:
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warn "Cannot load validator keys",
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dir = conf.localValidatorsDir, err = err.msg
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template writeValue*(writer: var JsonWriter,
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value: TypedInputFile|InputFile|InputDir|OutPath|OutDir|OutFile) =
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writer.writeValue(string value)
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