1278 lines
46 KiB
Nim
1278 lines
46 KiB
Nim
# beacon_chain
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# Copyright (c) 2018-2020 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import
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# Standard library
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algorithm, os, tables, strutils, sequtils, times, math, terminal,
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# Nimble packages
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stew/[objects, byteutils, endians2], stew/shims/macros,
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chronos, confutils, metrics, json_rpc/[rpcserver, jsonmarshal],
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chronicles, bearssl,
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json_serialization/std/[options, sets, net], serialization/errors,
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eth/[keys, async_utils],
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eth/common/eth_types_json_serialization,
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eth/db/[kvstore, kvstore_sqlite3],
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eth/p2p/enode, eth/p2p/discoveryv5/[protocol, enr],
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# Local modules
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spec/[datatypes, digest, crypto, beaconstate, helpers, network, presets],
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spec/state_transition,
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conf, time, beacon_chain_db, validator_pool, extras,
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attestation_pool, eth2_network, eth2_discovery,
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beacon_node_common, beacon_node_types,
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block_pools/[spec_cache, chain_dag, quarantine, clearance, block_pools_types],
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nimbus_binary_common, network_metadata,
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mainchain_monitor, version, ssz/[merkleization], sszdump, merkle_minimal,
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sync_protocol, request_manager, keystore_management, interop, statusbar,
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sync_manager, validator_duties, validator_api, attestation_aggregation
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const
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genesisFile* = "genesis.ssz"
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hasPrompt = not defined(withoutPrompt)
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type
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RpcServer* = RpcHttpServer
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# "state" is already taken by BeaconState
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BeaconNodeStatus* = enum
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Starting, Running, Stopping
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# this needs to be global, so it can be set in the Ctrl+C signal handler
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var status = BeaconNodeStatus.Starting
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template init(T: type RpcHttpServer, ip: ValidIpAddress, port: Port): T =
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newRpcHttpServer([initTAddress(ip, port)])
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# https://github.com/ethereum/eth2.0-metrics/blob/master/metrics.md#interop-metrics
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declareGauge beacon_slot,
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"Latest slot of the beacon chain state"
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declareGauge beacon_head_slot,
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"Slot of the head block of the beacon chain"
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# Metrics for tracking attestation and beacon block loss
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declareCounter beacon_attestations_received,
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"Number of beacon chain attestations received by this peer"
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declareCounter beacon_blocks_received,
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"Number of beacon chain blocks received by this peer"
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# Finalization tracking
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declareGauge finalization_delay,
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"Epoch delay between scheduled epoch and finalized epoch"
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declareHistogram beacon_attestation_received_seconds_from_slot_start,
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"Interval between slot start and attestation receival", buckets = [2.0, 4.0, 6.0, 8.0, 10.0, 12.0, 14.0, Inf]
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logScope: topics = "beacnde"
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proc onBeaconBlock(node: BeaconNode, signedBlock: SignedBeaconBlock) {.gcsafe.}
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proc getStateFromSnapshot(conf: BeaconNodeConf, stateSnapshotContents: ref string): NilableBeaconStateRef =
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var
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genesisPath = conf.dataDir/genesisFile
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snapshotContents: TaintedString
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writeGenesisFile = false
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if conf.stateSnapshot.isSome:
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let
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snapshotPath = conf.stateSnapshot.get.string
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snapshotExt = splitFile(snapshotPath).ext
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if cmpIgnoreCase(snapshotExt, ".ssz") != 0:
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error "The supplied state snapshot must be a SSZ file",
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suppliedPath = snapshotPath
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quit 1
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snapshotContents = readFile(snapshotPath)
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if fileExists(genesisPath):
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let genesisContents = readFile(genesisPath)
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if snapshotContents != genesisContents:
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error "Data directory not empty. Existing genesis state differs from supplied snapshot",
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dataDir = conf.dataDir.string, snapshot = snapshotPath
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quit 1
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else:
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debug "No previous genesis state. Importing snapshot",
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genesisPath, dataDir = conf.dataDir.string
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writeGenesisFile = true
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genesisPath = snapshotPath
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elif fileExists(genesisPath):
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try: snapshotContents = readFile(genesisPath)
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except CatchableError as err:
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error "Failed to read genesis file", err = err.msg
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quit 1
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elif stateSnapshotContents != nil:
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swap(snapshotContents, TaintedString stateSnapshotContents[])
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else:
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# No snapshot was provided. We should wait for genesis.
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return nil
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result = try:
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newClone(SSZ.decode(snapshotContents, BeaconState))
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except SerializationError:
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error "Failed to import genesis file", path = genesisPath
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quit 1
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info "Loaded genesis state", path = genesisPath
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if writeGenesisFile:
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try:
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notice "Writing genesis to data directory", path = conf.dataDir/genesisFile
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writeFile(conf.dataDir/genesisFile, snapshotContents.string)
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except CatchableError as err:
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error "Failed to persist genesis file to data dir",
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err = err.msg, genesisFile = conf.dataDir/genesisFile
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quit 1
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func enrForkIdFromState(state: BeaconState): ENRForkID =
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let
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forkVer = state.fork.current_version
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forkDigest = compute_fork_digest(forkVer, state.genesis_validators_root)
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ENRForkID(
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fork_digest: forkDigest,
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next_fork_version: forkVer,
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next_fork_epoch: FAR_FUTURE_EPOCH)
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proc init*(T: type BeaconNode,
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rng: ref BrHmacDrbgContext,
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conf: BeaconNodeConf,
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stateSnapshotContents: ref string): Future[BeaconNode] {.async.} =
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let
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netKeys = getPersistentNetKeys(rng[], conf)
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nickname = if conf.nodeName == "auto": shortForm(netKeys)
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else: conf.nodeName
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db = BeaconChainDB.init(kvStore SqStoreRef.init(conf.databaseDir, "nbc").tryGet())
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var mainchainMonitor: MainchainMonitor
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if not ChainDAGRef.isInitialized(db):
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# Fresh start - need to load a genesis state from somewhere
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var genesisState = conf.getStateFromSnapshot(stateSnapshotContents)
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# Try file from command line first
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if genesisState.isNil:
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if conf.web3Url.len == 0:
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fatal "Web3 URL not specified"
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quit 1
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if conf.depositContractAddress.isNone:
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fatal "Deposit contract address not specified"
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quit 1
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if conf.depositContractDeployedAt.isNone:
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# When we don't have a known genesis state, the network metadata
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# must specify the deployment block of the contract.
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fatal "Deposit contract deployment block not specified"
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quit 1
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let web3 = web3Provider(conf.web3Url)
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let deployedAtAsHash =
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if conf.depositContractDeployedAt.get.startsWith "0x":
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try: BlockHash.fromHex conf.depositContractDeployedAt.get
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except ValueError:
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fatal "Invalid hex value specified for deposit-contract-block"
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quit 1
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else:
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let blockNum = try: parseBiggestUInt conf.depositContractDeployedAt.get
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except ValueError:
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fatal "Invalid nummeric value for deposit-contract-block"
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quit 1
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await getEth1BlockHash(conf.web3Url, blockId blockNum)
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# TODO Could move this to a separate "GenesisMonitor" process or task
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# that would do only this - see Paul's proposal for this.
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mainchainMonitor = MainchainMonitor.init(
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conf.runtimePreset,
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web3,
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conf.depositContractAddress.get,
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Eth1Data(block_hash: deployedAtAsHash.asEth2Digest, deposit_count: 0))
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mainchainMonitor.start()
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genesisState = await mainchainMonitor.waitGenesis()
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info "Eth2 genesis state detected",
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genesisTime = genesisState.genesisTime,
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eth1Block = genesisState.eth1_data.block_hash,
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totalDeposits = genesisState.eth1_data.deposit_count
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# This is needed to prove the not nil property from here on
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if genesisState == nil:
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doAssert false
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else:
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if genesisState.slot != GENESIS_SLOT:
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# TODO how to get a block from a non-genesis state?
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error "Starting from non-genesis state not supported",
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stateSlot = genesisState.slot,
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stateRoot = hash_tree_root(genesisState[])
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quit 1
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let tailBlock = get_initial_beacon_block(genesisState[])
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try:
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ChainDAGRef.preInit(db, genesisState[], tailBlock)
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doAssert ChainDAGRef.isInitialized(db), "preInit should have initialized db"
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except CatchableError as e:
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error "Failed to initialize database", err = e.msg
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quit 1
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if stateSnapshotContents != nil:
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# The memory for the initial snapshot won't be needed anymore
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stateSnapshotContents[] = ""
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# TODO check that genesis given on command line (if any) matches database
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let
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chainDagFlags = if conf.verifyFinalization: {verifyFinalization}
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else: {}
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chainDag = init(ChainDAGRef, conf.runtimePreset, db, chainDagFlags)
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quarantine = QuarantineRef()
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if mainchainMonitor.isNil and
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conf.web3Url.len > 0 and
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conf.depositContractAddress.isSome:
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mainchainMonitor = MainchainMonitor.init(
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conf.runtimePreset,
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web3Provider(conf.web3Url),
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conf.depositContractAddress.get,
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chainDag.headState.data.data.eth1_data)
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# TODO if we don't have any validators attached, we don't need a mainchain
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# monitor
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mainchainMonitor.start()
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let rpcServer = if conf.rpcEnabled:
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RpcServer.init(conf.rpcAddress, conf.rpcPort)
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else:
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nil
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let
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enrForkId = enrForkIdFromState(chainDag.headState.data.data)
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topicBeaconBlocks = getBeaconBlocksTopic(enrForkId.forkDigest)
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topicAggregateAndProofs = getAggregateAndProofsTopic(enrForkId.forkDigest)
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network = createEth2Node(rng, conf, enrForkId)
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var res = BeaconNode(
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nickname: nickname,
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graffitiBytes: if conf.graffiti.isSome: conf.graffiti.get.GraffitiBytes
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else: defaultGraffitiBytes(),
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network: network,
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netKeys: netKeys,
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db: db,
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config: conf,
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attachedValidators: ValidatorPool.init(),
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chainDag: chainDag,
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quarantine: quarantine,
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attestationPool: AttestationPool.init(chainDag, quarantine),
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mainchainMonitor: mainchainMonitor,
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beaconClock: BeaconClock.init(chainDag.headState.data.data),
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rpcServer: rpcServer,
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forkDigest: enrForkId.forkDigest,
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topicBeaconBlocks: topicBeaconBlocks,
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topicAggregateAndProofs: topicAggregateAndProofs,
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)
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res.requestManager = RequestManager.init(network,
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proc(signedBlock: SignedBeaconBlock) =
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onBeaconBlock(res, signedBlock)
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)
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res.addLocalValidators()
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# This merely configures the BeaconSync
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# The traffic will be started when we join the network.
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network.initBeaconSync(chainDag, enrForkId.forkDigest)
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return res
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proc onAttestation(node: BeaconNode, attestation: Attestation) =
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# We received an attestation from the network but don't know much about it
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# yet - in particular, we haven't verified that it belongs to particular chain
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# we're on, or that it follows the rules of the protocol
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logScope:
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attestation = shortLog(attestation)
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head = shortLog(node.chainDag.head)
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pcs = "on_attestation"
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let
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wallSlot = node.beaconClock.now().toSlot()
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head = node.chainDag.head
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debug "Attestation received",
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wallSlot = shortLog(wallSlot.slot)
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if not wallSlot.afterGenesis or wallSlot.slot < head.slot:
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warn "Received attestation before genesis or head - clock is wrong?",
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afterGenesis = wallSlot.afterGenesis,
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wallSlot = shortLog(wallSlot.slot)
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return
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if attestation.data.slot > head.slot and
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(attestation.data.slot - head.slot) > MaxEmptySlotCount:
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warn "Ignoring attestation, head block too old (out of sync?)"
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return
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node.attestationPool.addAttestation(attestation, wallSlot.slot)
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proc dumpBlock[T](
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node: BeaconNode, signedBlock: SignedBeaconBlock,
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res: Result[T, BlockError]) =
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if node.config.dumpEnabled and res.isErr:
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case res.error
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of Invalid:
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dump(
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node.config.dumpDirInvalid, signedBlock)
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of MissingParent:
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dump(
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node.config.dumpDirIncoming, signedBlock)
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else:
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discard
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proc storeBlock(
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node: BeaconNode, signedBlock: SignedBeaconBlock): Result[void, BlockError] =
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debug "Block received",
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signedBlock = shortLog(signedBlock.message),
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blockRoot = shortLog(signedBlock.root),
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pcs = "receive_block"
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beacon_blocks_received.inc()
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{.gcsafe.}: # TODO: fork choice and quarantine should sync via messages instead of callbacks
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let blck = node.chainDag.addRawBlock(node.quarantine, signedBlock) do (
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blckRef: BlockRef, signedBlock: SignedBeaconBlock,
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state: HashedBeaconState):
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# Callback add to fork choice if valid
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node.attestationPool.addForkChoice(
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state.data, blckRef, signedBlock.message,
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node.beaconClock.now().slotOrZero())
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node.dumpBlock(signedBlock, blck)
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# There can be a scenario where we receive a block we already received.
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# However this block was before the last finalized epoch and so its parent
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# was pruned from the ForkChoice.
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if blck.isErr:
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return err(blck.error)
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ok()
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proc onBeaconBlock(node: BeaconNode, signedBlock: SignedBeaconBlock) =
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# We received a block but don't know much about it yet - in particular, we
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# don't know if it's part of the chain we're currently building.
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discard node.storeBlock(signedBlock)
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func verifyFinalization(node: BeaconNode, slot: Slot) =
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# Epoch must be >= 4 to check finalization
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const SETTLING_TIME_OFFSET = 1'u64
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let epoch = slot.compute_epoch_at_slot()
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# Don't static-assert this -- if this isn't called, don't require it
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doAssert SLOTS_PER_EPOCH > SETTLING_TIME_OFFSET
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# Intentionally, loudly assert. Point is to fail visibly and unignorably
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# during testing.
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if epoch >= 4 and slot mod SLOTS_PER_EPOCH > SETTLING_TIME_OFFSET:
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let finalizedEpoch =
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node.chainDag.finalizedHead.slot.compute_epoch_at_slot()
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# Finalization rule 234, that has the most lag slots among the cases, sets
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# state.finalized_checkpoint = old_previous_justified_checkpoint.epoch + 3
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# and then state.slot gets incremented, to increase the maximum offset, if
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# finalization occurs every slot, to 4 slots vs scheduledSlot.
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doAssert finalizedEpoch + 4 >= epoch
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proc onSlotStart(node: BeaconNode, lastSlot, scheduledSlot: Slot) {.gcsafe, async.} =
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## Called at the beginning of a slot - usually every slot, but sometimes might
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## skip a few in case we're running late.
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## lastSlot: the last slot that we successfully processed, so we know where to
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## start work from
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## scheduledSlot: the slot that we were aiming for, in terms of timing
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logScope: pcs = "slot_start"
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let
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# The slot we should be at, according to the clock
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beaconTime = node.beaconClock.now()
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wallSlot = beaconTime.toSlot()
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finalizedEpoch =
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node.chainDag.finalizedHead.blck.slot.compute_epoch_at_slot()
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info "Slot start",
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lastSlot = shortLog(lastSlot),
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scheduledSlot = shortLog(scheduledSlot),
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beaconTime = shortLog(beaconTime),
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peers = node.network.peersCount,
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head = shortLog(node.chainDag.head),
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headEpoch = shortLog(node.chainDag.head.slot.compute_epoch_at_slot()),
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finalized = shortLog(node.chainDag.finalizedHead.blck),
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finalizedEpoch = shortLog(finalizedEpoch)
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# Check before any re-scheduling of onSlotStart()
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# Offset backwards slightly to allow this epoch's finalization check to occur
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if scheduledSlot > 3 and node.config.stopAtEpoch > 0'u64 and
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(scheduledSlot - 3).compute_epoch_at_slot() >= node.config.stopAtEpoch:
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info "Stopping at pre-chosen epoch",
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chosenEpoch = node.config.stopAtEpoch,
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epoch = scheduledSlot.compute_epoch_at_slot(),
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slot = scheduledSlot
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# Brute-force, but ensure it's reliable enough to run in CI.
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quit(0)
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if not wallSlot.afterGenesis or (wallSlot.slot < lastSlot):
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let
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slot =
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if wallSlot.afterGenesis: wallSlot.slot
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else: GENESIS_SLOT
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nextSlot = slot + 1 # At least GENESIS_SLOT + 1!
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# This can happen if the system clock changes time for example, and it's
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# pretty bad
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# TODO shut down? time either was or is bad, and PoS relies on accuracy..
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warn "Beacon clock time moved back, rescheduling slot actions",
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beaconTime = shortLog(beaconTime),
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lastSlot = shortLog(lastSlot),
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scheduledSlot = shortLog(scheduledSlot),
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nextSlot = shortLog(nextSlot)
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addTimer(saturate(node.beaconClock.fromNow(nextSlot))) do (p: pointer):
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asyncCheck node.onSlotStart(slot, nextSlot)
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return
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let
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slot = wallSlot.slot # afterGenesis == true!
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nextSlot = slot + 1
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beacon_slot.set slot.int64
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finalization_delay.set scheduledSlot.epoch.int64 - finalizedEpoch.int64
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if node.config.verifyFinalization:
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verifyFinalization(node, scheduledSlot)
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if slot > lastSlot + SLOTS_PER_EPOCH:
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# We've fallen behind more than an epoch - there's nothing clever we can
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# do here really, except skip all the work and try again later.
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# TODO how long should the period be? Using an epoch because that's roughly
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# how long attestations remain interesting
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# TODO should we shut down instead? clearly we're unable to keep up
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warn "Unable to keep up, skipping ahead",
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lastSlot = shortLog(lastSlot),
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slot = shortLog(slot),
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nextSlot = shortLog(nextSlot),
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scheduledSlot = shortLog(scheduledSlot)
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addTimer(saturate(node.beaconClock.fromNow(nextSlot))) do (p: pointer):
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# We pass the current slot here to indicate that work should be skipped!
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asyncCheck node.onSlotStart(slot, nextSlot)
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return
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# Whatever we do during the slot, we need to know the head, because this will
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# give us a state to work with and thus a shuffling.
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# TODO typically, what consitutes correct actions stays constant between slot
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# updates and is stable across some epoch transitions as well - see how
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# we can avoid recalculating everything here
|
|
# TODO if the head is very old, that is indicative of something being very
|
|
# wrong - us being out of sync or disconnected from the network - need
|
|
# to consider what to do in that case:
|
|
# * nothing - the other parts of the application will reconnect and
|
|
# start listening to broadcasts, learn a new head etc..
|
|
# risky, because the network might stall if everyone does
|
|
# this, because no blocks will be produced
|
|
# * shut down - this allows the user to notice and take action, but is
|
|
# kind of harsh
|
|
# * keep going - we create blocks and attestations as usual and send them
|
|
# out - if network conditions improve, fork choice should
|
|
# eventually select the correct head and the rest will
|
|
# disappear naturally - risky because user is not aware,
|
|
# and might lose stake on canonical chain but "just works"
|
|
# when reconnected..
|
|
discard node.updateHead(slot)
|
|
|
|
# TODO is the slot of the clock or the head block more interesting? provide
|
|
# rationale in comment
|
|
beacon_head_slot.set slot.int64
|
|
|
|
# Time passes in here..
|
|
asyncCheck node.handleValidatorDuties(lastSlot, slot)
|
|
|
|
let
|
|
nextSlotStart = saturate(node.beaconClock.fromNow(nextSlot))
|
|
|
|
info "Slot end",
|
|
slot = shortLog(slot),
|
|
nextSlot = shortLog(nextSlot),
|
|
head = shortLog(node.chainDag.head),
|
|
headEpoch = shortLog(node.chainDag.head.slot.compute_epoch_at_slot()),
|
|
finalizedHead = shortLog(node.chainDag.finalizedHead.blck),
|
|
finalizedEpoch = shortLog(node.chainDag.finalizedHead.blck.slot.compute_epoch_at_slot())
|
|
|
|
when declared(GC_fullCollect):
|
|
# The slots in the beacon node work as frames in a game: we want to make
|
|
# sure that we're ready for the next one and don't get stuck in lengthy
|
|
# garbage collection tasks when time is of essence in the middle of a slot -
|
|
# while this does not guarantee that we'll never collect during a slot, it
|
|
# makes sure that all the scratch space we used during slot tasks (logging,
|
|
# temporary buffers etc) gets recycled for the next slot that is likely to
|
|
# need similar amounts of memory.
|
|
GC_fullCollect()
|
|
|
|
addTimer(nextSlotStart) do (p: pointer):
|
|
asyncCheck node.onSlotStart(slot, nextSlot)
|
|
|
|
proc handleMissingBlocks(node: BeaconNode) =
|
|
let missingBlocks = node.quarantine.checkMissing()
|
|
if missingBlocks.len > 0:
|
|
info "Requesting detected missing blocks", blocks = shortLog(missingBlocks)
|
|
node.requestManager.fetchAncestorBlocks(missingBlocks)
|
|
|
|
proc onSecond(node: BeaconNode) {.async.} =
|
|
## This procedure will be called once per second.
|
|
if not(node.syncManager.inProgress):
|
|
node.handleMissingBlocks()
|
|
|
|
proc runOnSecondLoop(node: BeaconNode) {.async.} =
|
|
var sleepTime = chronos.seconds(1)
|
|
while true:
|
|
await chronos.sleepAsync(sleepTime)
|
|
let start = chronos.now(chronos.Moment)
|
|
await node.onSecond()
|
|
let finish = chronos.now(chronos.Moment)
|
|
debug "onSecond task completed", elapsed = $(finish - start)
|
|
if finish - start > chronos.seconds(1):
|
|
sleepTime = chronos.seconds(0)
|
|
else:
|
|
sleepTime = chronos.seconds(1) - (finish - start)
|
|
|
|
proc runForwardSyncLoop(node: BeaconNode) {.async.} =
|
|
func getLocalHeadSlot(): Slot =
|
|
result = node.chainDag.head.slot
|
|
|
|
proc getLocalWallSlot(): Slot {.gcsafe.} =
|
|
let epoch = node.beaconClock.now().slotOrZero.compute_epoch_at_slot() +
|
|
1'u64
|
|
result = epoch.compute_start_slot_at_epoch()
|
|
|
|
func getFirstSlotAtFinalizedEpoch(): Slot {.gcsafe.} =
|
|
let fepoch = node.chainDag.headState.data.data.finalized_checkpoint.epoch
|
|
compute_start_slot_at_epoch(fepoch)
|
|
|
|
proc updateLocalBlocks(list: openArray[SignedBeaconBlock]): Result[void, BlockError] =
|
|
debug "Forward sync imported blocks", count = len(list),
|
|
local_head_slot = getLocalHeadSlot()
|
|
let sm = now(chronos.Moment)
|
|
for blk in list:
|
|
let res = node.storeBlock(blk)
|
|
# We going to ignore `BlockError.Unviable` errors because we have working
|
|
# backward sync and it can happens that we can perform overlapping
|
|
# requests.
|
|
# For the same reason we ignore Duplicate blocks as if they are duplicate
|
|
# from before the current finalized epoch, we can drop them
|
|
# (and they may have no parents anymore in the fork choice if it was pruned)
|
|
if res.isErr and res.error notin {BlockError.Unviable, BlockError.Old, BLockError.Duplicate}:
|
|
return res
|
|
discard node.updateHead(node.beaconClock.now().slotOrZero)
|
|
|
|
let dur = now(chronos.Moment) - sm
|
|
let secs = float(chronos.seconds(1).nanoseconds)
|
|
var storeSpeed = 0.0
|
|
if not(dur.isZero()):
|
|
let v = float(len(list)) * (secs / float(dur.nanoseconds))
|
|
# We doing round manually because stdlib.round is deprecated
|
|
storeSpeed = round(v * 10000) / 10000
|
|
|
|
info "Forward sync blocks got imported successfully", count = len(list),
|
|
local_head_slot = getLocalHeadSlot(), store_speed = storeSpeed
|
|
ok()
|
|
|
|
proc scoreCheck(peer: Peer): bool =
|
|
if peer.score < PeerScoreLowLimit:
|
|
try:
|
|
debug "Peer score is too low, removing it from PeerPool", peer = peer,
|
|
peer_score = peer.score, score_low_limit = PeerScoreLowLimit,
|
|
score_high_limit = PeerScoreHighLimit
|
|
except:
|
|
discard
|
|
result = false
|
|
else:
|
|
result = true
|
|
|
|
node.network.peerPool.setScoreCheck(scoreCheck)
|
|
|
|
node.syncManager = newSyncManager[Peer, PeerID](
|
|
node.network.peerPool, getLocalHeadSlot, getLocalWallSlot,
|
|
getFirstSlotAtFinalizedEpoch, updateLocalBlocks,
|
|
# 4 blocks per chunk is the optimal value right now, because our current
|
|
# syncing speed is around 4 blocks per second. So there no need to request
|
|
# more then 4 blocks right now. As soon as `store_speed` value become
|
|
# significantly more then 4 blocks per second you can increase this
|
|
# value appropriately.
|
|
chunkSize = 4
|
|
)
|
|
|
|
await node.syncManager.sync()
|
|
|
|
proc currentSlot(node: BeaconNode): Slot =
|
|
node.beaconClock.now.slotOrZero
|
|
|
|
proc connectedPeersCount(node: BeaconNode): int =
|
|
nbc_peers.value.int
|
|
|
|
proc installBeaconApiHandlers(rpcServer: RpcServer, node: BeaconNode) =
|
|
rpcServer.rpc("getBeaconHead") do () -> Slot:
|
|
return node.chainDag.head.slot
|
|
|
|
rpcServer.rpc("getChainHead") do () -> JsonNode:
|
|
let
|
|
head = node.chainDag.head
|
|
finalized = node.chainDag.headState.data.data.finalized_checkpoint
|
|
justified = node.chainDag.headState.data.data.current_justified_checkpoint
|
|
return %* {
|
|
"head_slot": head.slot,
|
|
"head_block_root": head.root.data.toHex(),
|
|
"finalized_slot": finalized.epoch * SLOTS_PER_EPOCH,
|
|
"finalized_block_root": finalized.root.data.toHex(),
|
|
"justified_slot": justified.epoch * SLOTS_PER_EPOCH,
|
|
"justified_block_root": justified.root.data.toHex(),
|
|
}
|
|
|
|
rpcServer.rpc("getSyncing") do () -> bool:
|
|
let
|
|
wallSlot = currentSlot(node)
|
|
headSlot = node.chainDag.head.slot
|
|
# FIXME: temporary hack: If more than 1 block away from expected head, then we are "syncing"
|
|
return (headSlot + 1) < wallSlot
|
|
|
|
template requireOneOf(x, y: distinct Option) =
|
|
if x.isNone xor y.isNone:
|
|
raise newException(CatchableError,
|
|
"Please specify one of " & astToStr(x) & " or " & astToStr(y))
|
|
|
|
template jsonResult(x: auto): auto =
|
|
StringOfJson(Json.encode(x))
|
|
|
|
rpcServer.rpc("getBeaconBlock") do (slot: Option[Slot],
|
|
root: Option[Eth2Digest]) -> StringOfJson:
|
|
requireOneOf(slot, root)
|
|
var blockHash: Eth2Digest
|
|
if root.isSome:
|
|
blockHash = root.get
|
|
else:
|
|
let foundRef = node.chainDag.getBlockByPreciseSlot(slot.get)
|
|
if foundRef != nil:
|
|
blockHash = foundRef.root
|
|
else:
|
|
return StringOfJson("null")
|
|
|
|
let dbBlock = node.db.getBlock(blockHash)
|
|
if dbBlock.isSome:
|
|
return jsonResult(dbBlock.get)
|
|
else:
|
|
return StringOfJson("null")
|
|
|
|
rpcServer.rpc("getBeaconState") do (slot: Option[Slot],
|
|
root: Option[Eth2Digest]) -> StringOfJson:
|
|
requireOneOf(slot, root)
|
|
if slot.isSome:
|
|
# TODO sanity check slot so that it doesn't cause excessive rewinding
|
|
let blk = node.chainDag.head.atSlot(slot.get)
|
|
node.chainDag.withState(node.chainDag.tmpState, blk):
|
|
return jsonResult(state)
|
|
else:
|
|
let tmp = BeaconStateRef() # TODO use tmpState - but load the entire StateData!
|
|
let state = node.db.getState(root.get, tmp[], noRollback)
|
|
if state:
|
|
return jsonResult(tmp[])
|
|
else:
|
|
return StringOfJson("null")
|
|
|
|
rpcServer.rpc("getNetworkPeerId") do () -> string:
|
|
return $publicKey(node.network)
|
|
|
|
rpcServer.rpc("getNetworkPeers") do () -> seq[string]:
|
|
for peerId, peer in node.network.peerPool:
|
|
result.add $peerId
|
|
|
|
rpcServer.rpc("getNetworkEnr") do () -> string:
|
|
return $node.network.discovery.localNode.record
|
|
|
|
proc installDebugApiHandlers(rpcServer: RpcServer, node: BeaconNode) =
|
|
rpcServer.rpc("getNodeVersion") do () -> string:
|
|
return "Nimbus/" & fullVersionStr
|
|
|
|
rpcServer.rpc("getSpecPreset") do () -> JsonNode:
|
|
var res = newJObject()
|
|
genStmtList:
|
|
for presetValue in PresetValue:
|
|
if presetValue notin ignoredValues + runtimeValues:
|
|
let
|
|
settingSym = ident($presetValue)
|
|
settingKey = newLit(toLowerAscii($presetValue))
|
|
let f = quote do:
|
|
res[`settingKey`] = %(presets.`settingSym`)
|
|
yield f
|
|
|
|
for field, value in fieldPairs(node.config.runtimePreset):
|
|
res[field] = when value isnot Version: %value
|
|
else: %value.toUInt64
|
|
|
|
return res
|
|
|
|
rpcServer.rpc("peers") do () -> JsonNode:
|
|
var res = newJObject()
|
|
var peers = newJArray()
|
|
for id, peer in node.network.peerPool:
|
|
peers.add(
|
|
%(
|
|
info: shortLog(peer.info),
|
|
wasDialed: peer.wasDialed,
|
|
connectionState: $peer.connectionState,
|
|
score: peer.score,
|
|
)
|
|
)
|
|
res.add("peers", peers)
|
|
|
|
return res
|
|
|
|
proc installRpcHandlers(rpcServer: RpcServer, node: BeaconNode) =
|
|
rpcServer.installValidatorApiHandlers(node)
|
|
rpcServer.installBeaconApiHandlers(node)
|
|
rpcServer.installDebugApiHandlers(node)
|
|
|
|
proc installAttestationHandlers(node: BeaconNode) =
|
|
proc attestationHandler(attestation: Attestation) =
|
|
# Avoid double-counting attestation-topic attestations on shared codepath
|
|
# when they're reflected through beacon blocks
|
|
beacon_attestations_received.inc()
|
|
beacon_attestation_received_seconds_from_slot_start.observe(
|
|
node.beaconClock.now.int64 -
|
|
(attestation.data.slot.int64 * SECONDS_PER_SLOT.int64))
|
|
|
|
node.onAttestation(attestation)
|
|
|
|
proc attestationValidator(attestation: Attestation,
|
|
committeeIndex: uint64): bool =
|
|
let (afterGenesis, slot) = node.beaconClock.now().toSlot()
|
|
if not afterGenesis:
|
|
return false
|
|
node.attestationPool.isValidAttestation(attestation, slot, committeeIndex)
|
|
|
|
proc aggregatedAttestationValidator(
|
|
signedAggregateAndProof: SignedAggregateAndProof): bool =
|
|
let (afterGenesis, slot) = node.beaconClock.now().toSlot()
|
|
if not afterGenesis:
|
|
return false
|
|
node.attestationPool.isValidAggregatedAttestation(signedAggregateAndProof, slot)
|
|
|
|
var attestationSubscriptions: seq[Future[void]] = @[]
|
|
|
|
# https://github.com/ethereum/eth2.0-specs/blob/v0.12.2/specs/phase0/p2p-interface.md#attestations-and-aggregation
|
|
for it in 0'u64 ..< ATTESTATION_SUBNET_COUNT.uint64:
|
|
closureScope:
|
|
let ci = it
|
|
attestationSubscriptions.add(node.network.subscribe(
|
|
getAttestationTopic(node.forkDigest, ci), attestationHandler,
|
|
# This proc needs to be within closureScope; don't lift out of loop.
|
|
proc(attestation: Attestation): bool =
|
|
attestationValidator(attestation, ci)
|
|
))
|
|
|
|
attestationSubscriptions.add(node.network.subscribe(
|
|
getAggregateAndProofsTopic(node.forkDigest),
|
|
proc(signedAggregateAndProof: SignedAggregateAndProof) =
|
|
attestationHandler(signedAggregateAndProof.message.aggregate),
|
|
proc(signedAggregateAndProof: SignedAggregateAndProof): bool =
|
|
aggregatedAttestationValidator(signedAggregateAndProof)
|
|
))
|
|
|
|
waitFor allFutures(attestationSubscriptions)
|
|
|
|
proc stop*(node: BeaconNode) =
|
|
status = BeaconNodeStatus.Stopping
|
|
info "Graceful shutdown"
|
|
waitFor node.network.stop()
|
|
|
|
proc run*(node: BeaconNode) =
|
|
if status == BeaconNodeStatus.Starting:
|
|
# it might have been set to "Stopping" with Ctrl+C
|
|
status = BeaconNodeStatus.Running
|
|
|
|
if node.rpcServer != nil:
|
|
node.rpcServer.installRpcHandlers(node)
|
|
node.rpcServer.start()
|
|
|
|
waitFor node.network.subscribe(node.topicBeaconBlocks) do (signedBlock: SignedBeaconBlock):
|
|
onBeaconBlock(node, signedBlock)
|
|
do (signedBlock: SignedBeaconBlock) -> bool:
|
|
let (afterGenesis, slot) = node.beaconClock.now.toSlot()
|
|
if not afterGenesis:
|
|
return false
|
|
|
|
let blck = node.chainDag.isValidBeaconBlock(node.quarantine,
|
|
signedBlock, slot, {})
|
|
node.dumpBlock(signedBlock, blck)
|
|
|
|
blck.isOk
|
|
|
|
installAttestationHandlers(node)
|
|
|
|
let
|
|
curSlot = node.beaconClock.now().slotOrZero()
|
|
nextSlot = curSlot + 1 # No earlier than GENESIS_SLOT + 1
|
|
fromNow = saturate(node.beaconClock.fromNow(nextSlot))
|
|
|
|
info "Scheduling first slot action",
|
|
beaconTime = shortLog(node.beaconClock.now()),
|
|
nextSlot = shortLog(nextSlot),
|
|
fromNow = shortLog(fromNow)
|
|
|
|
addTimer(fromNow) do (p: pointer):
|
|
asyncCheck node.onSlotStart(curSlot, nextSlot)
|
|
|
|
node.onSecondLoop = runOnSecondLoop(node)
|
|
node.forwardSyncLoop = runForwardSyncLoop(node)
|
|
|
|
node.requestManager.start()
|
|
|
|
# main event loop
|
|
while status == BeaconNodeStatus.Running:
|
|
try:
|
|
poll()
|
|
except CatchableError as e:
|
|
debug "Exception in poll()", exc = e.name, err = e.msg
|
|
|
|
# time to say goodbye
|
|
node.stop()
|
|
|
|
var gPidFile: string
|
|
proc createPidFile(filename: string) =
|
|
createDir splitFile(filename).dir
|
|
writeFile filename, $os.getCurrentProcessId()
|
|
gPidFile = filename
|
|
addQuitProc proc {.noconv.} = removeFile gPidFile
|
|
|
|
proc initializeNetworking(node: BeaconNode) {.async.} =
|
|
await node.network.startListening()
|
|
|
|
let addressFile = node.config.dataDir / "beacon_node.enr"
|
|
writeFile(addressFile, node.network.announcedENR.toURI)
|
|
|
|
await node.network.startLookingForPeers()
|
|
|
|
info "Networking initialized",
|
|
enr = node.network.announcedENR.toURI,
|
|
libp2p = shortLog(node.network.switch.peerInfo)
|
|
|
|
proc start(node: BeaconNode) =
|
|
let
|
|
head = node.chainDag.head
|
|
finalizedHead = node.chainDag.finalizedHead
|
|
genesisTime = node.beaconClock.fromNow(toBeaconTime(Slot 0))
|
|
|
|
info "Starting beacon node",
|
|
version = fullVersionStr,
|
|
nim = shortNimBanner(),
|
|
timeSinceFinalization =
|
|
int64(finalizedHead.slot.toBeaconTime()) -
|
|
int64(node.beaconClock.now()),
|
|
head = shortLog(head),
|
|
finalizedHead = shortLog(finalizedHead),
|
|
SLOTS_PER_EPOCH,
|
|
SECONDS_PER_SLOT,
|
|
SPEC_VERSION,
|
|
dataDir = node.config.dataDir.string,
|
|
pcs = "start_beacon_node"
|
|
|
|
if genesisTime.inFuture:
|
|
notice "Waiting for genesis", genesisIn = genesisTime.offset
|
|
|
|
waitFor node.initializeNetworking()
|
|
node.run()
|
|
|
|
func formatGwei(amount: uint64): string =
|
|
# TODO This is implemented in a quite a silly way.
|
|
# Better routines for formatting decimal numbers
|
|
# should exists somewhere else.
|
|
let
|
|
eth = amount div 1000000000
|
|
remainder = amount mod 1000000000
|
|
|
|
result = $eth
|
|
if remainder != 0:
|
|
result.add '.'
|
|
result.add $remainder
|
|
while result[^1] == '0':
|
|
result.setLen(result.len - 1)
|
|
|
|
when hasPrompt:
|
|
from unicode import Rune
|
|
import prompt
|
|
|
|
func providePromptCompletions*(line: seq[Rune], cursorPos: int): seq[string] =
|
|
# TODO
|
|
# The completions should be generated with the general-purpose command-line
|
|
# parsing API of Confutils
|
|
result = @[]
|
|
|
|
proc processPromptCommands(p: ptr Prompt) {.thread.} =
|
|
while true:
|
|
var cmd = p[].readLine()
|
|
case cmd
|
|
of "quit":
|
|
quit 0
|
|
else:
|
|
p[].writeLine("Unknown command: " & cmd)
|
|
|
|
proc initPrompt(node: BeaconNode) =
|
|
if isatty(stdout) and node.config.statusBarEnabled:
|
|
enableTrueColors()
|
|
|
|
# TODO: nim-prompt seems to have threading issues at the moment
|
|
# which result in sporadic crashes. We should introduce a
|
|
# lock that guards the access to the internal prompt line
|
|
# variable.
|
|
#
|
|
# var p = Prompt.init("nimbus > ", providePromptCompletions)
|
|
# p.useHistoryFile()
|
|
|
|
proc dataResolver(expr: string): string =
|
|
template justified: untyped = node.chainDag.head.atEpochStart(
|
|
node.chainDag.headState.data.data.current_justified_checkpoint.epoch)
|
|
# TODO:
|
|
# We should introduce a general API for resolving dot expressions
|
|
# such as `db.latest_block.slot` or `metrics.connected_peers`.
|
|
# Such an API can be shared between the RPC back-end, CLI tools
|
|
# such as ncli, a potential GraphQL back-end and so on.
|
|
# The status bar feature would allow the user to specify an
|
|
# arbitrary expression that is resolvable through this API.
|
|
case expr.toLowerAscii
|
|
of "connected_peers":
|
|
$(node.connectedPeersCount)
|
|
|
|
of "head_root":
|
|
shortLog(node.chainDag.head.root)
|
|
of "head_epoch":
|
|
$(node.chainDag.head.slot.epoch)
|
|
of "head_epoch_slot":
|
|
$(node.chainDag.head.slot mod SLOTS_PER_EPOCH)
|
|
of "head_slot":
|
|
$(node.chainDag.head.slot)
|
|
|
|
of "justifed_root":
|
|
shortLog(justified.blck.root)
|
|
of "justifed_epoch":
|
|
$(justified.slot.epoch)
|
|
of "justifed_epoch_slot":
|
|
$(justified.slot mod SLOTS_PER_EPOCH)
|
|
of "justifed_slot":
|
|
$(justified.slot)
|
|
|
|
of "finalized_root":
|
|
shortLog(node.chainDag.finalizedHead.blck.root)
|
|
of "finalized_epoch":
|
|
$(node.chainDag.finalizedHead.slot.epoch)
|
|
of "finalized_epoch_slot":
|
|
$(node.chainDag.finalizedHead.slot mod SLOTS_PER_EPOCH)
|
|
of "finalized_slot":
|
|
$(node.chainDag.finalizedHead.slot)
|
|
|
|
of "epoch":
|
|
$node.currentSlot.epoch
|
|
|
|
of "epoch_slot":
|
|
$(node.currentSlot mod SLOTS_PER_EPOCH)
|
|
|
|
of "slot":
|
|
$node.currentSlot
|
|
|
|
of "slots_per_epoch":
|
|
$SLOTS_PER_EPOCH
|
|
|
|
of "slot_trailing_digits":
|
|
var slotStr = $node.currentSlot
|
|
if slotStr.len > 3: slotStr = slotStr[^3..^1]
|
|
slotStr
|
|
|
|
of "attached_validators_balance":
|
|
var balance = uint64(0)
|
|
# TODO slow linear scan!
|
|
for idx, b in node.chainDag.headState.data.data.balances:
|
|
if node.getAttachedValidator(
|
|
node.chainDag.headState.data.data, ValidatorIndex(idx)) != nil:
|
|
balance += b
|
|
formatGwei(balance)
|
|
|
|
else:
|
|
# We ignore typos for now and just render the expression
|
|
# as it was written. TODO: come up with a good way to show
|
|
# an error message to the user.
|
|
"$" & expr
|
|
|
|
var statusBar = StatusBarView.init(
|
|
node.config.statusBarContents,
|
|
dataResolver)
|
|
|
|
when compiles(defaultChroniclesStream.output.writer):
|
|
defaultChroniclesStream.output.writer =
|
|
proc (logLevel: LogLevel, msg: LogOutputStr) {.gcsafe, raises: [Defect].} =
|
|
try:
|
|
# p.hidePrompt
|
|
erase statusBar
|
|
# p.writeLine msg
|
|
stdout.write msg
|
|
render statusBar
|
|
# p.showPrompt
|
|
except Exception as e: # render raises Exception
|
|
logLoggingFailure(cstring(msg), e)
|
|
|
|
proc statusBarUpdatesPollingLoop() {.async.} =
|
|
while true:
|
|
update statusBar
|
|
await sleepAsync(chronos.seconds(1))
|
|
|
|
traceAsyncErrors statusBarUpdatesPollingLoop()
|
|
|
|
# var t: Thread[ptr Prompt]
|
|
# createThread(t, processPromptCommands, addr p)
|
|
|
|
programMain:
|
|
var
|
|
config = makeBannerAndConfig(clientId, BeaconNodeConf)
|
|
# This is ref so we can mutate it (to erase it) after the initial loading.
|
|
stateSnapshotContents: ref string
|
|
|
|
setupLogging(config.logLevel, config.logFile)
|
|
|
|
if config.eth2Network.isSome:
|
|
let
|
|
networkName = config.eth2Network.get
|
|
metadata = case toLowerAscii(networkName)
|
|
of "mainnet":
|
|
mainnetMetadata
|
|
of "altona":
|
|
altonaMetadata
|
|
of "medalla":
|
|
medallaMetadata
|
|
of "testnet0":
|
|
testnet0Metadata
|
|
of "testnet1":
|
|
testnet1Metadata
|
|
else:
|
|
if fileExists(networkName):
|
|
try:
|
|
Json.loadFile(networkName, Eth2NetworkMetadata)
|
|
except SerializationError as err:
|
|
echo err.formatMsg(networkName)
|
|
quit 1
|
|
else:
|
|
fatal "Unrecognized network name", networkName
|
|
quit 1
|
|
|
|
if metadata.incompatible:
|
|
fatal "The selected network is not compatible with the current build",
|
|
reason = metadata.incompatibilityDesc
|
|
quit 1
|
|
|
|
config.runtimePreset = metadata.runtimePreset
|
|
|
|
if config.cmd == noCommand:
|
|
for node in metadata.bootstrapNodes:
|
|
config.bootstrapNodes.add node
|
|
|
|
if config.stateSnapshot.isNone and metadata.genesisData.len > 0:
|
|
stateSnapshotContents = newClone metadata.genesisData
|
|
|
|
template checkForIncompatibleOption(flagName, fieldName) =
|
|
# TODO: This will have to be reworked slightly when we introduce config files.
|
|
# We'll need to keep track of the "origin" of the config value, so we can
|
|
# discriminate between values from config files that can be overridden and
|
|
# regular command-line options (that may conflict).
|
|
if config.fieldName.isSome:
|
|
fatal "Invalid CLI arguments specified. You must not specify '--network' and '" & flagName & "' at the same time",
|
|
networkParam = networkName, `flagName` = config.fieldName.get
|
|
quit 1
|
|
|
|
checkForIncompatibleOption "deposit-contract", depositContractAddress
|
|
checkForIncompatibleOption "deposit-contract-block", depositContractDeployedAt
|
|
|
|
config.depositContractAddress = some metadata.depositContractAddress
|
|
config.depositContractDeployedAt = some metadata.depositContractDeployedAt
|
|
else:
|
|
config.runtimePreset = defaultRuntimePreset
|
|
|
|
# Single RNG instance for the application - will be seeded on construction
|
|
# and avoid using system resources (such as urandom) after that
|
|
let rng = keys.newRng()
|
|
|
|
case config.cmd
|
|
of createTestnet:
|
|
let launchPadDeposits = try:
|
|
Json.loadFile(config.testnetDepositsFile.string, seq[LaunchPadDeposit])
|
|
except SerializationError as err:
|
|
error "Invalid LaunchPad deposits file",
|
|
err = formatMsg(err, config.testnetDepositsFile.string)
|
|
quit 1
|
|
|
|
var deposits: seq[Deposit]
|
|
for i in config.firstValidator.int ..< launchPadDeposits.len:
|
|
deposits.add Deposit(data: launchPadDeposits[i] as DepositData)
|
|
|
|
attachMerkleProofs(deposits)
|
|
|
|
let
|
|
startTime = uint64(times.toUnix(times.getTime()) + config.genesisOffset)
|
|
outGenesis = config.outputGenesis.string
|
|
eth1Hash = if config.web3Url.len == 0: eth1BlockHash
|
|
else: (waitFor getEth1BlockHash(config.web3Url, blockId("latest"))).asEth2Digest
|
|
var
|
|
initialState = initialize_beacon_state_from_eth1(
|
|
defaultRuntimePreset, eth1Hash, startTime, deposits, {skipBlsValidation})
|
|
|
|
# https://github.com/ethereum/eth2.0-pm/tree/6e41fcf383ebeb5125938850d8e9b4e9888389b4/interop/mocked_start#create-genesis-state
|
|
initialState.genesis_time = startTime
|
|
|
|
doAssert initialState.validators.len > 0
|
|
|
|
let outGenesisExt = splitFile(outGenesis).ext
|
|
if cmpIgnoreCase(outGenesisExt, ".json") == 0:
|
|
Json.saveFile(outGenesis, initialState, pretty = true)
|
|
echo "Wrote ", outGenesis
|
|
|
|
let outSszGenesis = outGenesis.changeFileExt "ssz"
|
|
SSZ.saveFile(outSszGenesis, initialState[])
|
|
echo "Wrote ", outSszGenesis
|
|
|
|
let bootstrapFile = config.outputBootstrapFile.string
|
|
if bootstrapFile.len > 0:
|
|
let
|
|
networkKeys = getPersistentNetKeys(rng[], config)
|
|
metadata = getPersistentNetMetadata(config)
|
|
bootstrapEnr = enr.Record.init(
|
|
1, # sequence number
|
|
networkKeys.seckey.asEthKey,
|
|
some(config.bootstrapAddress),
|
|
config.bootstrapPort,
|
|
config.bootstrapPort,
|
|
[toFieldPair("eth2", SSZ.encode(enrForkIdFromState initialState[])),
|
|
toFieldPair("attnets", SSZ.encode(metadata.attnets))])
|
|
|
|
writeFile(bootstrapFile, bootstrapEnr.tryGet().toURI)
|
|
echo "Wrote ", bootstrapFile
|
|
|
|
of noCommand:
|
|
debug "Launching beacon node",
|
|
version = fullVersionStr,
|
|
cmdParams = commandLineParams(),
|
|
config
|
|
|
|
createPidFile(config.dataDir.string / "beacon_node.pid")
|
|
|
|
config.createDumpDirs()
|
|
|
|
var node = waitFor BeaconNode.init(rng, config, stateSnapshotContents)
|
|
|
|
## Ctrl+C handling
|
|
proc controlCHandler() {.noconv.} =
|
|
when defined(windows):
|
|
# workaround for https://github.com/nim-lang/Nim/issues/4057
|
|
setupForeignThreadGc()
|
|
info "Shutting down after having received SIGINT"
|
|
status = BeaconNodeStatus.Stopping
|
|
setControlCHook(controlCHandler)
|
|
|
|
when hasPrompt:
|
|
initPrompt(node)
|
|
|
|
when useInsecureFeatures:
|
|
if config.metricsEnabled:
|
|
let metricsAddress = config.metricsAddress
|
|
info "Starting metrics HTTP server",
|
|
address = metricsAddress, port = config.metricsPort
|
|
metrics.startHttpServer($metricsAddress, config.metricsPort)
|
|
|
|
if node.nickname != "":
|
|
dynamicLogScope(node = node.nickname): node.start()
|
|
else:
|
|
node.start()
|
|
|
|
of deposits:
|
|
case config.depositsCmd
|
|
of DepositsCmd.create:
|
|
var walletData = if config.existingWalletId.isSome:
|
|
let id = config.existingWalletId.get
|
|
let found = keystore_management.findWallet(config, id)
|
|
if found.isErr:
|
|
fatal "Unable to find wallet with the specified name/uuid",
|
|
id, err = found.error
|
|
quit 1
|
|
let unlocked = unlockWalletInteractively(found.get)
|
|
if unlocked.isOk:
|
|
unlocked.get
|
|
else:
|
|
quit 1
|
|
else:
|
|
let walletData = createWalletInteractively(rng[], config)
|
|
if walletData.isErr:
|
|
fatal "Unable to create wallet", err = walletData.error
|
|
quit 1
|
|
walletData.get
|
|
|
|
defer: burnMem(walletData.mnemonic)
|
|
|
|
createDir(config.outValidatorsDir)
|
|
createDir(config.outSecretsDir)
|
|
|
|
let deposits = generateDeposits(
|
|
config.runtimePreset,
|
|
rng[],
|
|
walletData,
|
|
config.totalDeposits,
|
|
config.outValidatorsDir,
|
|
config.outSecretsDir)
|
|
|
|
if deposits.isErr:
|
|
fatal "Failed to generate deposits", err = deposits.error
|
|
quit 1
|
|
|
|
try:
|
|
let depositDataPath = if config.outDepositsFile.isSome:
|
|
config.outDepositsFile.get.string
|
|
else:
|
|
config.outValidatorsDir / "deposit_data-" & $epochTime() & ".json"
|
|
|
|
let launchPadDeposits =
|
|
mapIt(deposits.value, LaunchPadDeposit.init(config.runtimePreset, it))
|
|
|
|
Json.saveFile(depositDataPath, launchPadDeposits)
|
|
info "Deposit data written", filename = depositDataPath
|
|
except CatchableError as err:
|
|
error "Failed to create launchpad deposit data file", err = err.msg
|
|
quit 1
|
|
|
|
of DepositsCmd.`import`:
|
|
importKeystoresFromDir(
|
|
rng[],
|
|
config.importedDepositsDir.string,
|
|
config.validatorsDir, config.secretsDir)
|
|
|
|
of DepositsCmd.status:
|
|
echo "The status command is not implemented yet"
|
|
quit 1
|
|
|
|
of wallets:
|
|
case config.walletsCmd:
|
|
of WalletsCmd.create:
|
|
let status = createWalletInteractively(rng[], config)
|
|
if status.isErr:
|
|
fatal "Unable to create wallet", err = status.error
|
|
quit 1
|
|
|
|
of WalletsCmd.list:
|
|
# TODO
|
|
discard
|
|
|
|
of WalletsCmd.restore:
|
|
# TODO
|
|
discard
|