mirror of https://github.com/waku-org/nwaku.git
111 lines
3.8 KiB
Nim
111 lines
3.8 KiB
Nim
import
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stew/results,
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libp2p/crypto/crypto
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import
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../../waku/common/utils/nat,
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../../waku/v2/node/config,
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../../waku/v2/node/waku_node,
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../../waku/v2/waku_enr,
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./external_config
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proc networkConfiguration*(conf: WakuNodeConf): NetConfigResult =
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## `udpPort` is only supplied to satisfy underlying APIs but is not
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## actually a supported transport for libp2p traffic.
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let udpPort = conf.tcpPort
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let natRes = setupNat(conf.nat, clientId,
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Port(uint16(conf.tcpPort) + conf.portsShift),
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Port(uint16(udpPort) + conf.portsShift))
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if natRes.isErr():
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return err("failed to setup NAT: " & $natRes.error)
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let (extIp, extTcpPort, _) = natRes.get()
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let
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dns4DomainName = if conf.dns4DomainName != "": some(conf.dns4DomainName)
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else: none(string)
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discv5UdpPort = if conf.discv5Discovery: some(Port(uint16(conf.discv5UdpPort) + conf.portsShift))
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else: none(Port)
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## TODO: the NAT setup assumes a manual port mapping configuration if extIp config is set. This probably
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## implies adding manual config item for extPort as well. The following heuristic assumes that, in absence of manual
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## config, the external port is the same as the bind port.
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extPort = if (extIp.isSome() or dns4DomainName.isSome()) and extTcpPort.isNone():
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some(Port(uint16(conf.tcpPort) + conf.portsShift))
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else:
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extTcpPort
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extMultiAddrs = if (conf.extMultiAddrs.len > 0):
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let extMultiAddrsValidationRes = validateExtMultiAddrs(conf.extMultiAddrs)
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if extMultiAddrsValidationRes.isErr():
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return err("invalid external multiaddress: " & $extMultiAddrsValidationRes.error)
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else:
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extMultiAddrsValidationRes.get()
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else:
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@[]
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wakuFlags = CapabilitiesBitfield.init(
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lightpush = conf.lightpush,
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filter = conf.filter,
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store = conf.store,
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relay = conf.relay
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)
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# Wrap in none because NetConfig does not have a default constructor
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# TODO: We could change bindIp in NetConfig to be something less restrictive than ValidIpAddress,
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# which doesn't allow default construction
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let netConfigRes = NetConfig.init(
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bindIp = conf.listenAddress,
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bindPort = Port(uint16(conf.tcpPort) + conf.portsShift),
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extIp = extIp,
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extPort = extPort,
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extMultiAddrs = extMultiAddrs,
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wsBindPort = Port(uint16(conf.websocketPort) + conf.portsShift),
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wsEnabled = conf.websocketSupport,
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wssEnabled = conf.websocketSecureSupport,
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dns4DomainName = dns4DomainName,
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discv5UdpPort = discv5UdpPort,
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wakuFlags = some(wakuFlags),
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)
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netConfigRes
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proc createRecord*(topics: seq[string],
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netConf: NetConfig,
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key: crypto.PrivateKey):
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Result[enr.Record, string] =
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let relayShardsRes = topicsToRelayShards(topics)
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let relayShardOp =
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if relayShardsRes.isErr():
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return err("building ENR with relay sharding failed: " & $relayShardsRes.error)
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else: relayShardsRes.get()
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var builder = EnrBuilder.init(key)
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builder.withIpAddressAndPorts(
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ipAddr = netConf.enrIp,
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tcpPort = netConf.enrPort,
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udpPort = netConf.discv5UdpPort,
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)
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if netConf.wakuFlags.isSome():
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builder.withWakuCapabilities(netConf.wakuFlags.get())
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builder.withMultiaddrs(netConf.enrMultiaddrs)
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if relayShardOp.isSome():
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let res = builder.withWakuRelaySharding(relayShardOp.get())
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if res.isErr():
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return err("building ENR with relay sharding failed: " & $res.error)
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let res = builder.build()
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if res.isErr():
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return err("building ENR failed: " & $res.error)
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ok(res.get())
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