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nimbus.nim
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# Nimbus
# Copyright (c) 2018-2024 Status Research & Development GmbH
# Licensed under either of
# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
# * MIT license ([LICENSE-MIT](LICENSE-MIT))
# at your option.
# This file may not be copied, modified, or distributed except according to
# those terms.
import
../nimbus/vm_compile_info
import
std/[os, strutils, net],
chronicles,
eth/keys,
eth/net/nat,
metrics,
metrics/chronicles_support,
kzg4844/kzg_ex as kzg,
./rpc,
./version,
./constants,
./nimbus_desc,
./nimbus_import,
./core/eip4844,
./db/core_db/persistent,
./sync/protocol,
./sync/handlers
when defined(evmc_enabled):
import transaction/evmc_dynamic_loader
## TODO:
## * No IPv6 support
## * No multiple bind addresses support
## * No database support
proc basicServices(nimbus: NimbusNode,
conf: NimbusConf,
com: CommonRef) =
nimbus.txPool = TxPoolRef.new(com)
# txPool must be informed of active head
# so it can know the latest account state
# e.g. sender nonce, etc
let head = com.db.getCanonicalHead()
doAssert nimbus.txPool.smartHead(head)
# chainRef: some name to avoid module-name/filed/function misunderstandings
nimbus.chainRef = newChain(com)
if conf.verifyFrom.isSome:
let verifyFrom = conf.verifyFrom.get()
nimbus.chainRef.extraValidation = 0 < verifyFrom
nimbus.chainRef.verifyFrom = verifyFrom
nimbus.beaconEngine = BeaconEngineRef.new(nimbus.txPool, nimbus.chainRef)
proc manageAccounts(nimbus: NimbusNode, conf: NimbusConf) =
if string(conf.keyStore).len > 0:
let res = nimbus.ctx.am.loadKeystores(string conf.keyStore)
if res.isErr:
fatal "Load keystore error", msg = res.error()
quit(QuitFailure)
if string(conf.importKey).len > 0:
let res = nimbus.ctx.am.importPrivateKey(string conf.importKey)
if res.isErr:
fatal "Import private key error", msg = res.error()
quit(QuitFailure)
proc setupP2P(nimbus: NimbusNode, conf: NimbusConf,
com: CommonRef, protocols: set[ProtocolFlag]) =
## Creating P2P Server
let kpres = nimbus.ctx.getNetKeys(conf.netKey, conf.dataDir.string)
if kpres.isErr:
fatal "Get network keys error", msg = kpres.error
quit(QuitFailure)
let keypair = kpres.get()
var address = Address(
ip: conf.listenAddress,
tcpPort: conf.tcpPort,
udpPort: conf.udpPort
)
if conf.nat.hasExtIp:
# any required port redirection is assumed to be done by hand
address.ip = conf.nat.extIp
else:
# automated NAT traversal
let extIP = getExternalIP(conf.nat.nat)
# This external IP only appears in the logs, so don't worry about dynamic
# IPs. Don't remove it either, because the above call does initialisation
# and discovery for NAT-related objects.
if extIP.isSome:
address.ip = extIP.get()
let extPorts = redirectPorts(tcpPort = address.tcpPort,
udpPort = address.udpPort,
description = NimbusName & " " & NimbusVersion)
if extPorts.isSome:
(address.tcpPort, address.udpPort) = extPorts.get()
let bootstrapNodes = conf.getBootNodes()
nimbus.ethNode = newEthereumNode(
keypair, address, conf.networkId, conf.agentString,
addAllCapabilities = false, minPeers = conf.maxPeers,
bootstrapNodes = bootstrapNodes,
bindUdpPort = conf.udpPort, bindTcpPort = conf.tcpPort,
bindIp = conf.listenAddress,
rng = nimbus.ctx.rng)
# Add protocol capabilities based on protocol flags
for w in protocols:
case w: # handle all possibilities
of ProtocolFlag.Eth:
nimbus.ethNode.addEthHandlerCapability(
nimbus.ethNode.peerPool,
nimbus.chainRef,
nimbus.txPool)
#of ProtocolFlag.Snap:
# nimbus.ethNode.addSnapHandlerCapability(
# nimbus.ethNode.peerPool,
# nimbus.chainRef)
# Cannot do without minimal `eth` capability
if ProtocolFlag.Eth notin protocols:
nimbus.ethNode.addEthHandlerCapability(
nimbus.ethNode.peerPool,
nimbus.chainRef)
# Early-initialise "--snap-sync" before starting any network connections.
block:
let
exCtrlFile = if conf.syncCtrlFile.isNone: Opt.none(string)
else: Opt.some(conf.syncCtrlFile.get)
tickerOK = conf.logLevel in {
LogLevel.INFO, LogLevel.DEBUG, LogLevel.TRACE}
case conf.syncMode:
#of SyncMode.Snap:
# # Minimal capability needed for sync only
# if ProtocolFlag.Snap notin protocols:
# nimbus.ethNode.addSnapHandlerCapability(
# nimbus.ethNode.peerPool)
# nimbus.snapSyncRef = SnapSyncRef.init(
# nimbus.ethNode, nimbus.chainRef, nimbus.ctx.rng, conf.maxPeers,
# tickerOK, exCtrlFile)
of SyncMode.Default:
nimbus.beaconSyncRef = BeaconSyncRef.init(
nimbus.ethNode, nimbus.chainRef, nimbus.ctx.rng, conf.maxPeers,
)
# Connect directly to the static nodes
let staticPeers = conf.getStaticPeers()
if staticPeers.len > 0:
nimbus.peerManager = PeerManagerRef.new(
nimbus.ethNode.peerPool,
conf.reconnectInterval,
conf.reconnectMaxRetry,
staticPeers
)
nimbus.peerManager.start()
# Start Eth node
if conf.maxPeers > 0:
var waitForPeers = true
case conf.syncMode:
#of SyncMode.Snap:
# waitForPeers = false
of SyncMode.Default:
discard
nimbus.networkLoop = nimbus.ethNode.connectToNetwork(
enableDiscovery = conf.discovery != DiscoveryType.None,
waitForPeers = waitForPeers)
proc localServices(nimbus: NimbusNode, conf: NimbusConf,
com: CommonRef, protocols: set[ProtocolFlag]) =
# metrics logging
if conf.logMetricsEnabled:
# https://github.com/nim-lang/Nim/issues/17369
var logMetrics: proc(udata: pointer) {.gcsafe, raises: [].}
logMetrics = proc(udata: pointer) =
{.gcsafe.}:
let registry = defaultRegistry
info "metrics", registry
discard setTimer(Moment.fromNow(conf.logMetricsInterval.seconds), logMetrics)
discard setTimer(Moment.fromNow(conf.logMetricsInterval.seconds), logMetrics)
nimbus.setupRpc(conf, com, protocols)
# metrics server
if conf.metricsEnabled:
info "Starting metrics HTTP server", address = conf.metricsAddress, port = conf.metricsPort
let res = MetricsHttpServerRef.new($conf.metricsAddress, conf.metricsPort)
if res.isErr:
fatal "Failed to create metrics server", msg=res.error
quit(QuitFailure)
nimbus.metricsServer = res.get
waitFor nimbus.metricsServer.start()
proc run(nimbus: NimbusNode, conf: NimbusConf) =
## logging
setLogLevel(conf.logLevel)
if conf.logFile.isSome:
let logFile = string conf.logFile.get()
defaultChroniclesStream.output.outFile = nil # to avoid closing stdout
discard defaultChroniclesStream.output.open(logFile, fmAppend)
when defined(evmc_enabled):
evmcSetLibraryPath(conf.evm)
# Trusted setup is needed for processing Cancun+ blocks
if conf.trustedSetupFile.isSome:
let fileName = conf.trustedSetupFile.get()
let res = Kzg.loadTrustedSetup(fileName)
if res.isErr:
fatal "Cannot load Kzg trusted setup from file", msg=res.error
quit(QuitFailure)
else:
let res = loadKzgTrustedSetup()
if res.isErr:
fatal "Cannot load baked in Kzg trusted setup", msg=res.error
quit(QuitFailure)
createDir(string conf.dataDir)
let coreDB =
# Resolve statically for database type
case conf.chainDbMode:
of Aristo,AriPrune:
AristoDbRocks.newCoreDbRef(string conf.dataDir, conf.dbOptions())
let com = CommonRef.new(
db = coreDB,
pruneHistory = (conf.chainDbMode == AriPrune),
networkId = conf.networkId,
params = conf.networkParams)
defer:
com.db.finish()
com.initializeEmptyDb()
case conf.cmd
of NimbusCmd.`import`:
importBlocks(conf, com)
else:
let protocols = conf.getProtocolFlags()
basicServices(nimbus, conf, com)
manageAccounts(nimbus, conf)
setupP2P(nimbus, conf, com, protocols)
localServices(nimbus, conf, com, protocols)
if conf.maxPeers > 0:
case conf.syncMode:
of SyncMode.Default:
nimbus.beaconSyncRef.start
#of SyncMode.Snap:
# nimbus.snapSyncRef.start
if nimbus.state == NimbusState.Starting:
# it might have been set to "Stopping" with Ctrl+C
nimbus.state = NimbusState.Running
# Main event loop
while nimbus.state == NimbusState.Running:
try:
poll()
except CatchableError as e:
debug "Exception in poll()", exc = e.name, err = e.msg
discard e # silence warning when chronicles not activated
# Stop loop
waitFor nimbus.stop(conf)
when isMainModule:
var nimbus = NimbusNode(state: NimbusState.Starting, ctx: newEthContext())
## Ctrl+C handling
proc controlCHandler() {.noconv.} =
when defined(windows):
# workaround for https://github.com/nim-lang/Nim/issues/4057
setupForeignThreadGc()
nimbus.state = NimbusState.Stopping
echo "\nCtrl+C pressed. Waiting for a graceful shutdown."
setControlCHook(controlCHandler)
## Show logs on stdout until we get the user's logging choice
discard defaultChroniclesStream.output.open(stdout)
## Processing command line arguments
let conf = makeConfig()
nimbus.run(conf)