330 lines
10 KiB
Nim
330 lines
10 KiB
Nim
## Nim-Codex
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## Copyright (c) 2021 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 std/sequtils
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import std/strutils
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import std/os
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import std/tables
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import std/cpuinfo
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import pkg/chronos
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import pkg/presto
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import pkg/libp2p
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import pkg/confutils
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import pkg/confutils/defs
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import pkg/nitro
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import pkg/stew/io2
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import pkg/stew/shims/net as stewnet
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import pkg/datastore
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import pkg/ethers except Rng
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import pkg/stew/io2
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import pkg/taskpools
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import ./node
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import ./conf
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import ./rng
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import ./rest/api
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import ./stores
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import ./slots
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import ./blockexchange
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import ./utils/fileutils
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import ./erasure
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import ./discovery
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import ./contracts
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import ./systemclock
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import ./contracts/clock
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import ./contracts/deployment
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import ./utils/addrutils
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import ./namespaces
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import ./codextypes
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import ./logutils
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logScope:
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topics = "codex node"
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type
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CodexServer* = ref object
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config: CodexConf
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restServer: RestServerRef
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codexNode: CodexNodeRef
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repoStore: RepoStore
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maintenance: BlockMaintainer
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taskpool: Taskpool
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CodexPrivateKey* = libp2p.PrivateKey # alias
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EthWallet = ethers.Wallet
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proc waitForSync(provider: Provider): Future[void] {.async.} =
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var sleepTime = 1
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trace "Checking sync state of Ethereum provider..."
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while await provider.isSyncing:
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notice "Waiting for Ethereum provider to sync..."
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await sleepAsync(sleepTime.seconds)
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if sleepTime < 10:
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inc sleepTime
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trace "Ethereum provider is synced."
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proc bootstrapInteractions(
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s: CodexServer): Future[void] {.async.} =
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## bootstrap interactions and return contracts
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## using clients, hosts, validators pairings
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##
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let
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config = s.config
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repo = s.repoStore
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if config.persistence:
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if not config.ethAccount.isSome and not config.ethPrivateKey.isSome:
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error "Persistence enabled, but no Ethereum account was set"
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quit QuitFailure
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let provider = JsonRpcProvider.new(config.ethProvider)
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await waitForSync(provider)
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var signer: Signer
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if account =? config.ethAccount:
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signer = provider.getSigner(account)
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elif keyFile =? config.ethPrivateKey:
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without isSecure =? checkSecureFile(keyFile):
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error "Could not check file permissions: does Ethereum private key file exist?"
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quit QuitFailure
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if not isSecure:
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error "Ethereum private key file does not have safe file permissions"
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quit QuitFailure
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without key =? keyFile.readAllChars():
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error "Unable to read Ethereum private key file"
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quit QuitFailure
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without wallet =? EthWallet.new(key.strip(), provider):
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error "Invalid Ethereum private key in file"
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quit QuitFailure
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signer = wallet
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let deploy = Deployment.new(provider, config)
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without marketplaceAddress =? await deploy.address(Marketplace):
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error "No Marketplace address was specified or there is no known address for the current network"
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quit QuitFailure
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let marketplace = Marketplace.new(marketplaceAddress, signer)
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let market = OnChainMarket.new(marketplace)
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let clock = OnChainClock.new(provider)
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var client: ?ClientInteractions
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var host: ?HostInteractions
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var validator: ?ValidatorInteractions
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if config.validator or config.persistence:
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s.codexNode.clock = clock
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else:
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s.codexNode.clock = SystemClock()
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if config.persistence:
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# This is used for simulation purposes. Normal nodes won't be compiled with this flag
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# and hence the proof failure will always be 0.
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when codex_enable_proof_failures:
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let proofFailures = config.simulateProofFailures
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if proofFailures > 0:
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warn "Enabling proof failure simulation!"
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else:
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let proofFailures = 0
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if config.simulateProofFailures > 0:
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warn "Proof failure simulation is not enabled for this build! Configuration ignored"
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let purchasing = Purchasing.new(market, clock)
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let sales = Sales.new(market, clock, repo, proofFailures)
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client = some ClientInteractions.new(clock, purchasing)
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host = some HostInteractions.new(clock, sales)
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if config.validator:
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let validation = Validation.new(clock, market, config.validatorMaxSlots)
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validator = some ValidatorInteractions.new(clock, validation)
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s.codexNode.contracts = (client, host, validator)
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proc start*(s: CodexServer) {.async.} =
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trace "Starting codex node", config = $s.config
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await s.repoStore.start()
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s.maintenance.start()
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await s.codexNode.switch.start()
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let
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# TODO: Can't define these as constants, pity
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natIpPart = MultiAddress.init("/ip4/" & $s.config.nat & "/")
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.expect("Should create multiaddress")
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anyAddrIp = MultiAddress.init("/ip4/0.0.0.0/")
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.expect("Should create multiaddress")
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loopBackAddrIp = MultiAddress.init("/ip4/127.0.0.1/")
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.expect("Should create multiaddress")
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# announce addresses should be set to bound addresses,
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# but the IP should be mapped to the provided nat ip
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announceAddrs = s.codexNode.switch.peerInfo.addrs.mapIt:
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block:
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let
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listenIPPart = it[multiCodec("ip4")].expect("Should get IP")
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if listenIPPart == anyAddrIp or
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(listenIPPart == loopBackAddrIp and natIpPart != loopBackAddrIp):
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it.remapAddr(s.config.nat.some)
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else:
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it
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s.codexNode.discovery.updateAnnounceRecord(announceAddrs)
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s.codexNode.discovery.updateDhtRecord(s.config.nat, s.config.discoveryPort)
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await s.bootstrapInteractions()
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await s.codexNode.start()
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s.restServer.start()
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proc stop*(s: CodexServer) {.async.} =
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notice "Stopping codex node"
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s.taskpool.syncAll()
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s.taskpool.shutdown()
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await allFuturesThrowing(
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s.restServer.stop(),
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s.codexNode.switch.stop(),
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s.codexNode.stop(),
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s.repoStore.stop(),
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s.maintenance.stop())
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proc new*(
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T: type CodexServer,
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config: CodexConf,
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privateKey: CodexPrivateKey): CodexServer =
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## create CodexServer including setting up datastore, repostore, etc
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let
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switch = SwitchBuilder
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.new()
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.withPrivateKey(privateKey)
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.withAddresses(config.listenAddrs)
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.withRng(Rng.instance())
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.withNoise()
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.withMplex(5.minutes, 5.minutes)
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.withMaxConnections(config.maxPeers)
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.withAgentVersion(config.agentString)
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.withSignedPeerRecord(true)
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.withTcpTransport({ServerFlags.ReuseAddr})
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.build()
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var
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cache: CacheStore = nil
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if config.cacheSize > 0'nb:
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cache = CacheStore.new(cacheSize = config.cacheSize)
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## Is unused?
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let
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discoveryDir = config.dataDir / CodexDhtNamespace
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if io2.createPath(discoveryDir).isErr:
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trace "Unable to create discovery directory for block store", discoveryDir = discoveryDir
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raise (ref Defect)(
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msg: "Unable to create discovery directory for block store: " & discoveryDir)
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let
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discoveryStore = Datastore(
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LevelDbDatastore.new(config.dataDir / CodexDhtProvidersNamespace)
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.expect("Should create discovery datastore!"))
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discovery = Discovery.new(
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switch.peerInfo.privateKey,
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announceAddrs = config.listenAddrs,
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bindIp = config.discoveryIp,
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bindPort = config.discoveryPort,
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bootstrapNodes = config.bootstrapNodes,
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store = discoveryStore)
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wallet = WalletRef.new(EthPrivateKey.random())
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network = BlockExcNetwork.new(switch)
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repoData = case config.repoKind
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of repoFS: Datastore(FSDatastore.new($config.dataDir, depth = 5)
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.expect("Should create repo file data store!"))
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of repoSQLite: Datastore(SQLiteDatastore.new($config.dataDir)
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.expect("Should create repo SQLite data store!"))
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of repoLevelDb: Datastore(LevelDbDatastore.new($config.dataDir)
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.expect("Should create repo LevelDB data store!"))
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repoStore = RepoStore.new(
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repoDs = repoData,
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metaDs = LevelDbDatastore.new(config.dataDir / CodexMetaNamespace)
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.expect("Should create metadata store!"),
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quotaMaxBytes = config.storageQuota.uint,
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blockTtl = config.blockTtl)
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maintenance = BlockMaintainer.new(
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repoStore,
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interval = config.blockMaintenanceInterval,
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numberOfBlocksPerInterval = config.blockMaintenanceNumberOfBlocks)
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peerStore = PeerCtxStore.new()
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pendingBlocks = PendingBlocksManager.new()
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blockDiscovery = DiscoveryEngine.new(repoStore, peerStore, network, discovery, pendingBlocks)
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engine = BlockExcEngine.new(repoStore, wallet, network, blockDiscovery, peerStore, pendingBlocks)
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store = NetworkStore.new(engine, repoStore)
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prover = if config.prover:
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if not fileAccessible($config.circomR1cs, {AccessFlags.Read}) and
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endsWith($config.circomR1cs, ".r1cs"):
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error "Circom R1CS file not accessible"
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raise (ref Defect)(
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msg: "r1cs file not readable, doesn't exist or wrong extension (.r1cs)")
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if not fileAccessible($config.circomWasm, {AccessFlags.Read}) and
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endsWith($config.circomWasm, ".wasm"):
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error "Circom wasm file not accessible"
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raise (ref Defect)(
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msg: "wasm file not readable, doesn't exist or wrong extension (.wasm)")
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let zkey = if not config.circomNoZkey:
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if not fileAccessible($config.circomZkey, {AccessFlags.Read}) and
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endsWith($config.circomZkey, ".zkey"):
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error "Circom zkey file not accessible"
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raise (ref Defect)(
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msg: "zkey file not readable, doesn't exist or wrong extension (.zkey)")
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$config.circomZkey
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else: ""
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some Prover.new(
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store,
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CircomCompat.init($config.circomR1cs, $config.circomWasm, zkey),
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config.numProofSamples)
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else:
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none Prover
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taskpool = Taskpool.new(num_threads = countProcessors())
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codexNode = CodexNodeRef.new(
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switch = switch,
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networkStore = store,
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engine = engine,
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prover = prover,
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discovery = discovery,
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taskpool = taskpool)
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restServer = RestServerRef.new(
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codexNode.initRestApi(config, repoStore, config.apiCorsAllowedOrigin),
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initTAddress(config.apiBindAddress , config.apiPort),
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bufferSize = (1024 * 64),
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maxRequestBodySize = int.high)
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.expect("Should start rest server!")
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switch.mount(network)
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CodexServer(
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config: config,
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codexNode: codexNode,
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restServer: restServer,
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repoStore: repoStore,
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maintenance: maintenance,
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taskpool: taskpool)
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