nwaku/apps/wakunode2/internal_config.nim

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import
std/options,
stew/shims/net,
stew/results,
libp2p/crypto/crypto,
libp2p/multiaddress
import
../../waku/common/utils/nat,
../../waku/node/config,
../../waku/waku_enr/capabilities,
./external_config
proc validateExtMultiAddrs*(vals: seq[string]):
Result[seq[MultiAddress], string] =
var multiaddrs: seq[MultiAddress]
for val in vals:
let multiaddr = ? MultiAddress.init(val)
multiaddrs.add(multiaddr)
return ok(multiaddrs)
proc networkConfiguration*(conf: WakuNodeConf,
clientId: string,
): NetConfigResult =
## `udpPort` is only supplied to satisfy underlying APIs but is not
## actually a supported transport for libp2p traffic.
let natRes = setupNat(conf.nat, clientId,
Port(uint16(conf.tcpPort) + conf.portsShift),
Port(uint16(conf.tcpPort) + conf.portsShift))
if natRes.isErr():
return err("failed to setup NAT: " & $natRes.error)
let (extIp, extTcpPort, _) = natRes.get()
let
dns4DomainName = if conf.dns4DomainName != "": some(conf.dns4DomainName)
else: none(string)
discv5UdpPort = if conf.discv5Discovery:
some(Port(uint16(conf.discv5UdpPort) + conf.portsShift))
else: none(Port)
## TODO: the NAT setup assumes a manual port mapping configuration if extIp
## config is set. This probably implies adding manual config item for
## extPort as well. The following heuristic assumes that, in absence of
## manual config, the external port is the same as the bind port.
extPort = if (extIp.isSome() or dns4DomainName.isSome()) and
extTcpPort.isNone():
some(Port(uint16(conf.tcpPort) + conf.portsShift))
else:
extTcpPort
extMultiAddrs = if (conf.extMultiAddrs.len > 0):
let extMultiAddrsValidationRes =
validateExtMultiAddrs(conf.extMultiAddrs)
if extMultiAddrsValidationRes.isErr():
return err("invalid external multiaddress: " &
$extMultiAddrsValidationRes.error)
else:
extMultiAddrsValidationRes.get()
else:
@[]
wakuFlags = CapabilitiesBitfield.init(
lightpush = conf.lightpush,
filter = conf.filter,
store = conf.store,
relay = conf.relay
)
# Wrap in none because NetConfig does not have a default constructor
# TODO: We could change bindIp in NetConfig to be something less restrictive
# than ValidIpAddress, which doesn't allow default construction
let netConfigRes = NetConfig.init(
bindIp = conf.listenAddress,
bindPort = Port(uint16(conf.tcpPort) + conf.portsShift),
extIp = extIp,
extPort = extPort,
extMultiAddrs = extMultiAddrs,
wsBindPort = Port(uint16(conf.websocketPort) + conf.portsShift),
wsEnabled = conf.websocketSupport,
wssEnabled = conf.websocketSecureSupport,
dns4DomainName = dns4DomainName,
discv5UdpPort = discv5UdpPort,
wakuFlags = some(wakuFlags),
)
return netConfigRes