mirror of
https://github.com/logos-messaging/logos-delivery.git
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3dfc86262b
* deps: json_rpc + web3 via websock-relaxed forks (WIP: revert on upstream fix) * fix: setup() post-build switch services (autonat nil segfault) * fix: unified 2.0.0 connection limits * test: 2.0.0 defaults (identify-push, agent string) * test: drop reboot/reconnect (unsupported Switch restart)
126 lines
4.0 KiB
Nim
126 lines
4.0 KiB
Nim
# Waku Switch utils.
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{.push raises: [].}
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import
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std/options,
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chronos,
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chronicles,
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eth/keys,
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libp2p/crypto/crypto,
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libp2p/protocols/pubsub/gossipsub,
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libp2p/protocols/rendezvous,
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libp2p/protocols/connectivity/relay/relay,
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libp2p/nameresolving/nameresolver,
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libp2p/builders,
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libp2p/switch,
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libp2p/transports/[transport, tcptransport, wstransport]
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# override nim-libp2p default value (which is also 1)
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const MaxConnectionsPerPeer* = 1
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const MaxConnections* = 50
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proc withWsTransport*(b: SwitchBuilder): SwitchBuilder =
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b.withTransport(
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proc(config: TransportConfig): Transport =
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WsTransport.new(config.upgr, rng = config.rng)
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)
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proc getSecureKey(path: string): TLSPrivateKey {.raises: [Defect, IOError].} =
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trace "Key path is.", path = path
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let stringkey: string = readFile(path)
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try:
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let key = TLSPrivateKey.init(stringkey)
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return key
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except TLSStreamProtocolError as exc:
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info "exception raised from getSecureKey", err = exc.msg
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proc getSecureCert(path: string): TLSCertificate {.raises: [Defect, IOError].} =
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trace "Certificate path is.", path = path
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let stringCert: string = readFile(path)
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try:
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let cert = TLSCertificate.init(stringCert)
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return cert
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except TLSStreamProtocolError as exc:
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info "exception raised from getSecureCert", err = exc.msg
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proc withWssTransport*(
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b: SwitchBuilder, secureKeyPath: string, secureCertPath: string
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): SwitchBuilder {.raises: [Defect, IOError].} =
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let key: TLSPrivateKey = getSecureKey(secureKeyPath)
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let cert: TLSCertificate = getSecureCert(secureCertPath)
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b.withWsTransport(
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tlsPrivateKey = key,
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tlsCertificate = cert,
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{TLSFlags.NoVerifyHost, TLSFlags.NoVerifyServerName}, # THIS IS INSECURE, NO?
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)
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proc newWakuSwitch*(
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privKey = none(crypto.PrivateKey),
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address = MultiAddress.init("/ip4/127.0.0.1/tcp/0").tryGet(),
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wsAddress = none(MultiAddress),
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secureManagers: openarray[SecureProtocol] = [SecureProtocol.Noise],
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transportFlags: set[ServerFlags] = {},
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rng: crypto.Rng,
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inTimeout: Duration = 5.minutes,
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outTimeout: Duration = 5.minutes,
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maxConnections = MaxConnections,
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maxIn = -1,
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maxOut = -1,
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maxConnsPerPeer = MaxConnectionsPerPeer,
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nameResolver: NameResolver = nil,
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sendSignedPeerRecord = false,
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wssEnabled: bool = false,
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secureKeyPath: string = "",
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secureCertPath: string = "",
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agentString = none(string), # defaults to nim-libp2p version
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peerStoreCapacity = none(int), # defaults to 1.25 maxConnections
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rendezvous: RendezVous = nil,
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circuitRelay: Relay,
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): Switch {.raises: [Defect, IOError, LPError].} =
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var b = SwitchBuilder
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.new()
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.withRng(rng)
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.withMaxConnsPerPeer(maxConnsPerPeer)
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.withYamux()
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.withMplex(inTimeout, outTimeout)
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.withNoise()
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.withTcpTransport(transportFlags)
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.withNameResolver(nameResolver)
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.withSignedPeerRecord(sendSignedPeerRecord)
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.withCircuitRelay(circuitRelay)
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.withAutonat()
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# libp2p 2.0.0 folded withMaxConnections and withMaxInOut into a single
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# `limits` field: they are mutually exclusive (last one wins), and
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# ConnectionLimits.maxInOut asserts maxIn/maxOut > 0. So apply explicit in/out
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# limits only when both are provided (>0); otherwise use the shared total cap.
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if maxIn > 0 and maxOut > 0:
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b = b.withMaxInOut(maxIn, maxOut)
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else:
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b = b.withMaxConnections(maxConnections)
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if peerStoreCapacity.isSome():
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b = b.withPeerStore(peerStoreCapacity.get())
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else:
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let defaultPeerStoreCapacity = int(maxConnections) * 5
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b = b.withPeerStore(defaultPeerStoreCapacity)
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if agentString.isSome():
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b = b.withAgentVersion(agentString.get())
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if privKey.isSome():
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b = b.withPrivateKey(privKey.get())
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if wsAddress.isSome():
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b = b.withAddresses(@[wsAddress.get(), address])
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if wssEnabled:
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b = b.withWssTransport(secureKeyPath, secureCertPath)
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else:
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b = b.withWsTransport()
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else:
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b = b.withAddress(address)
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if not rendezvous.isNil():
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b = b.withRendezVous()
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b.build()
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