370 lines
12 KiB
Nim
370 lines
12 KiB
Nim
# Nimbus
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# Copyright (c) 2018-2024 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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# * MIT license ([LICENSE-MIT](LICENSE-MIT))
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# at your option.
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# This file may not be copied, modified, or distributed except according to
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# those terms.
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import
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../nimbus/vm_compile_info
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import
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std/[os, strutils, net],
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chronicles,
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eth/keys,
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eth/net/nat,
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metrics,
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metrics/chronicles_support,
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kzg4844/kzg_ex as kzg,
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./rpc,
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./version,
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./constants,
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./nimbus_desc,
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./core/eip4844,
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./core/block_import,
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./db/select_backend,
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./db/core_db/persistent,
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./core/clique/clique_desc,
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./core/clique/clique_sealer,
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./sync/protocol,
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./sync/handlers,
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./sync/stateless,
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./sync/protocol/les_protocol,
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./evm/async/data_sources/json_rpc_data_source
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when defined(evmc_enabled):
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import transaction/evmc_dynamic_loader
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## TODO:
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## * No IPv6 support
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## * No multiple bind addresses support
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## * No database support
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proc importBlocks(conf: NimbusConf, com: CommonRef) =
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if string(conf.blocksFile).len > 0:
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# success or not, we quit after importing blocks
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if not importRlpBlock(string conf.blocksFile, com):
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quit(QuitFailure)
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else:
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quit(QuitSuccess)
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proc basicServices(nimbus: NimbusNode,
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conf: NimbusConf,
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com: CommonRef) =
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nimbus.txPool = TxPoolRef.new(com, conf.engineSigner)
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# txPool must be informed of active head
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# so it can know the latest account state
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# e.g. sender nonce, etc
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let head = com.db.getCanonicalHead()
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doAssert nimbus.txPool.smartHead(head)
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# chainRef: some name to avoid module-name/filed/function misunderstandings
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nimbus.chainRef = newChain(com)
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if conf.verifyFrom.isSome:
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let verifyFrom = conf.verifyFrom.get()
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nimbus.chainRef.extraValidation = 0 < verifyFrom
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nimbus.chainRef.verifyFrom = verifyFrom
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nimbus.beaconEngine = BeaconEngineRef.new(nimbus.txPool, nimbus.chainRef)
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proc manageAccounts(nimbus: NimbusNode, conf: NimbusConf) =
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if string(conf.keyStore).len > 0:
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let res = nimbus.ctx.am.loadKeystores(string conf.keyStore)
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if res.isErr:
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fatal "Load keystore error", msg = res.error()
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quit(QuitFailure)
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if string(conf.importKey).len > 0:
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let res = nimbus.ctx.am.importPrivateKey(string conf.importKey)
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if res.isErr:
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fatal "Import private key error", msg = res.error()
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quit(QuitFailure)
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proc setupP2P(nimbus: NimbusNode, conf: NimbusConf,
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com: CommonRef, protocols: set[ProtocolFlag]) =
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## Creating P2P Server
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let kpres = nimbus.ctx.getNetKeys(conf.netKey, conf.dataDir.string)
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if kpres.isErr:
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fatal "Get network keys error", msg = kpres.error
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quit(QuitFailure)
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let keypair = kpres.get()
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var address = Address(
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ip: conf.listenAddress,
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tcpPort: conf.tcpPort,
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udpPort: conf.udpPort
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)
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if conf.nat.hasExtIp:
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# any required port redirection is assumed to be done by hand
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address.ip = conf.nat.extIp
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else:
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# automated NAT traversal
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let extIP = getExternalIP(conf.nat.nat)
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# This external IP only appears in the logs, so don't worry about dynamic
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# IPs. Don't remove it either, because the above call does initialisation
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# and discovery for NAT-related objects.
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if extIP.isSome:
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address.ip = extIP.get()
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let extPorts = redirectPorts(tcpPort = address.tcpPort,
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udpPort = address.udpPort,
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description = NimbusName & " " & NimbusVersion)
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if extPorts.isSome:
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(address.tcpPort, address.udpPort) = extPorts.get()
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let bootstrapNodes = conf.getBootNodes()
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nimbus.ethNode = newEthereumNode(
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keypair, address, conf.networkId, conf.agentString,
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addAllCapabilities = false, minPeers = conf.maxPeers,
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bootstrapNodes = bootstrapNodes,
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bindUdpPort = conf.udpPort, bindTcpPort = conf.tcpPort,
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bindIp = conf.listenAddress,
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rng = nimbus.ctx.rng)
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# Add protocol capabilities based on protocol flags
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for w in protocols:
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case w: # handle all possibilities
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of ProtocolFlag.Eth:
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nimbus.ethNode.addEthHandlerCapability(
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nimbus.ethNode.peerPool,
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nimbus.chainRef,
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nimbus.txPool)
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of ProtocolFlag.Les:
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nimbus.ethNode.addCapability les
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of ProtocolFlag.Snap:
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nimbus.ethNode.addSnapHandlerCapability(
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nimbus.ethNode.peerPool,
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nimbus.chainRef)
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# Cannot do without minimal `eth` capability
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if ProtocolFlag.Eth notin protocols:
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nimbus.ethNode.addEthHandlerCapability(
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nimbus.ethNode.peerPool,
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nimbus.chainRef)
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# Early-initialise "--snap-sync" before starting any network connections.
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block:
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let
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exCtrlFile = if conf.syncCtrlFile.isNone: none(string)
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else: some(conf.syncCtrlFile.get)
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tickerOK = conf.logLevel in {
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LogLevel.INFO, LogLevel.DEBUG, LogLevel.TRACE}
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case conf.syncMode:
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of SyncMode.Full:
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nimbus.fullSyncRef = FullSyncRef.init(
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nimbus.ethNode, nimbus.chainRef, nimbus.ctx.rng, conf.maxPeers,
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tickerOK, exCtrlFile)
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of SyncMode.Snap:
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# Minimal capability needed for sync only
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if ProtocolFlag.Snap notin protocols:
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nimbus.ethNode.addSnapHandlerCapability(
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nimbus.ethNode.peerPool)
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nimbus.snapSyncRef = SnapSyncRef.init(
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nimbus.ethNode, nimbus.chainRef, nimbus.ctx.rng, conf.maxPeers,
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tickerOK, exCtrlFile)
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of SyncMode.Stateless:
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# FIXME-Adam: what needs to go here?
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nimbus.statelessSyncRef = StatelessSyncRef.init()
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of SyncMode.Default:
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if com.forkGTE(MergeFork):
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nimbus.beaconSyncRef = BeaconSyncRef.init(
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nimbus.ethNode, nimbus.chainRef, nimbus.ctx.rng, conf.maxPeers,
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)
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else:
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nimbus.legaSyncRef = LegacySyncRef.new(
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nimbus.ethNode, nimbus.chainRef)
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# Connect directly to the static nodes
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let staticPeers = conf.getStaticPeers()
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if staticPeers.len > 0:
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nimbus.peerManager = PeerManagerRef.new(
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nimbus.ethNode.peerPool,
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conf.reconnectInterval,
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conf.reconnectMaxRetry,
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staticPeers
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)
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nimbus.peerManager.start()
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# Start Eth node
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if conf.maxPeers > 0:
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var waitForPeers = true
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case conf.syncMode:
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of SyncMode.Snap, SyncMode.Stateless:
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waitForPeers = false
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of SyncMode.Full, SyncMode.Default:
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discard
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nimbus.networkLoop = nimbus.ethNode.connectToNetwork(
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enableDiscovery = conf.discovery != DiscoveryType.None,
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waitForPeers = waitForPeers)
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proc maybeStatelessAsyncDataSource*(nimbus: NimbusNode, conf: NimbusConf): Option[AsyncDataSource] =
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if conf.syncMode == SyncMode.Stateless:
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let rpcClient = waitFor(makeAnRpcClient(conf.statelessModeDataSourceUrl))
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let asyncDataSource = realAsyncDataSource(nimbus.ethNode.peerPool, rpcClient, false)
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some(asyncDataSource)
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else:
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none[AsyncDataSource]()
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proc localServices(nimbus: NimbusNode, conf: NimbusConf,
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com: CommonRef, protocols: set[ProtocolFlag]) =
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# metrics logging
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if conf.logMetricsEnabled:
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# https://github.com/nim-lang/Nim/issues/17369
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var logMetrics: proc(udata: pointer) {.gcsafe, raises: [].}
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logMetrics = proc(udata: pointer) =
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{.gcsafe.}:
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let registry = defaultRegistry
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info "metrics", registry
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discard setTimer(Moment.fromNow(conf.logMetricsInterval.seconds), logMetrics)
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discard setTimer(Moment.fromNow(conf.logMetricsInterval.seconds), logMetrics)
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nimbus.setupRpc(conf, com, protocols)
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if conf.engineSigner != ZERO_ADDRESS and not com.forkGTE(MergeFork):
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let res = nimbus.ctx.am.getAccount(conf.engineSigner)
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if res.isErr:
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error "Failed to get account",
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msg = res.error,
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hint = "--key-store or --import-key"
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quit(QuitFailure)
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let rs = validateSealer(conf, nimbus.ctx, nimbus.chainRef)
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if rs.isErr:
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fatal "Engine signer validation error", msg = rs.error
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quit(QuitFailure)
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proc signFunc(signer: EthAddress, message: openArray[byte]): Result[RawSignature, cstring] {.gcsafe.} =
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let
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hashData = keccakHash(message)
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acc = nimbus.ctx.am.getAccount(signer).tryGet()
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rawSign = sign(acc.privateKey, SkMessage(hashData.data)).toRaw
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ok(rawSign)
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nimbus.chainRef.clique.authorize(conf.engineSigner, signFunc)
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# disable sealing engine if beacon engine enabled
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if not com.forkGTE(MergeFork):
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nimbus.sealingEngine = SealingEngineRef.new(
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nimbus.chainRef, nimbus.ctx, conf.engineSigner,
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nimbus.txPool, EngineStopped
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)
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# only run sealing engine if there is a signer
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if conf.engineSigner != ZERO_ADDRESS:
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nimbus.sealingEngine.start()
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# metrics server
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if conf.metricsEnabled:
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info "Starting metrics HTTP server", address = conf.metricsAddress, port = conf.metricsPort
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let res = MetricsHttpServerRef.new($conf.metricsAddress, conf.metricsPort)
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if res.isErr:
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fatal "Failed to create metrics server", msg=res.error
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quit(QuitFailure)
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nimbus.metricsServer = res.get
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waitFor nimbus.metricsServer.start()
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proc start(nimbus: NimbusNode, conf: NimbusConf) =
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## logging
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setLogLevel(conf.logLevel)
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if conf.logFile.isSome:
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let logFile = string conf.logFile.get()
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defaultChroniclesStream.output.outFile = nil # to avoid closing stdout
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discard defaultChroniclesStream.output.open(logFile, fmAppend)
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when defined(evmc_enabled):
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evmcSetLibraryPath(conf.evm)
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createDir(string conf.dataDir)
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let com = CommonRef.new(
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newCoreDbRef(LegacyDbPersistent, string conf.dataDir),
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conf.pruneMode == PruneMode.Full,
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conf.networkId,
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conf.networkParams
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)
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com.initializeEmptyDb()
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com.db.compensateLegacySetup()
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let protocols = conf.getProtocolFlags()
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if conf.trustedSetupFile.isSome:
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let fileName = conf.trustedSetupFile.get()
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let res = Kzg.loadTrustedSetup(fileName)
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if res.isErr:
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fatal "Cannot load Kzg trusted setup from file", msg=res.error
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quit(QuitFailure)
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else:
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let res = loadKzgTrustedSetup()
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if res.isErr:
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fatal "Cannot load baked in Kzg trusted setup", msg=res.error
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quit(QuitFailure)
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case conf.cmd
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of NimbusCmd.`import`:
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importBlocks(conf, com)
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else:
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basicServices(nimbus, conf, com)
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manageAccounts(nimbus, conf)
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setupP2P(nimbus, conf, com, protocols)
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localServices(nimbus, conf, com, protocols)
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if conf.maxPeers > 0:
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case conf.syncMode:
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of SyncMode.Default:
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if com.forkGTE(MergeFork):
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nimbus.beaconSyncRef.start
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else:
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nimbus.legaSyncRef.start
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nimbus.ethNode.setEthHandlerNewBlocksAndHashes(
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legacy.newBlockHandler,
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legacy.newBlockHashesHandler,
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cast[pointer](nimbus.legaSyncRef))
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of SyncMode.Full:
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nimbus.fullSyncRef.start
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of SyncMode.Stateless:
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nimbus.statelessSyncRef.start
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of SyncMode.Snap:
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nimbus.snapSyncRef.start
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if nimbus.state == NimbusState.Starting:
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# it might have been set to "Stopping" with Ctrl+C
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nimbus.state = NimbusState.Running
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proc process*(nimbus: NimbusNode, conf: NimbusConf) =
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# Main event loop
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while nimbus.state == NimbusState.Running:
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try:
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poll()
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except CatchableError as e:
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debug "Exception in poll()", exc = e.name, err = e.msg
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discard e # silence warning when chronicles not activated
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# Stop loop
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waitFor nimbus.stop(conf)
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when isMainModule:
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var nimbus = NimbusNode(state: NimbusState.Starting, ctx: newEthContext())
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## Ctrl+C handling
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proc controlCHandler() {.noconv.} =
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when defined(windows):
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# workaround for https://github.com/nim-lang/Nim/issues/4057
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setupForeignThreadGc()
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nimbus.state = NimbusState.Stopping
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echo "\nCtrl+C pressed. Waiting for a graceful shutdown."
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setControlCHook(controlCHandler)
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## Show logs on stdout until we get the user's logging choice
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discard defaultChroniclesStream.output.open(stdout)
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## Processing command line arguments
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let conf = makeConfig()
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nimbus.start(conf)
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nimbus.process(conf)
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