fix: consider WS extMultiAddrs before publishing host address (#2122)

tests/test_waku_netconfig.nim

@@ -338,3 +338,26 @@ suite "Waku NetConfig":
     check:
       netConfig.enrMultiaddrs.contains(dns4TcpEndPoint(dns4DomainName, extPort))
 
+  asyncTest "wsHostAddress is not announced if a WS address is provided in extMultiAddrs":
+
+    let 
+      conf = defaultTestWakuNodeConf()
+      extAddIp = ValidIpAddress.init("1.2.3.4")
+      extAddPort = Port(1234)
+      wssEnabled = false
+      extMultiAddrs = @[(ip4TcpEndPoint(extAddIp, extAddPort) & wsFlag(wssEnabled))]
+
+    let netConfigRes = NetConfig.init(
+      bindIp = conf.listenAddress,
+      bindPort = conf.tcpPort,
+      extMultiAddrs = extMultiAddrs
+    )
+
+    assert netConfigRes.isOk(), $netConfigRes.error
+
+    let netConfig = netConfigRes.get()
+
+    check:
+      netConfig.announcedAddresses.len == 2  # Bind address + extAddress
+      netConfig.announcedAddresses[1] == extMultiAddrs[0]
+

waku/node/config.nim

@@ -7,7 +7,7 @@ import
   std/[options, sequtils, strutils],
   stew/results,
   stew/shims/net,
-  libp2p/multiaddress
+  libp2p/[multiaddress, multicodec]
 import
    ../../waku/waku_core/peers
 import
@@ -59,6 +59,16 @@ proc formatListenAddress(inputMultiAdd: MultiAddress): MultiAddress =
     # If MultiAddress contains "0.0.0.0", replace it for "127.0.0.1"
     return MultiAddress.init(inputStr.replace("0.0.0.0", "127.0.0.1")).get()
 
+proc isWsAddress(ma: MultiAddress): bool =
+  let
+    isWs = ma.contains(multiCodec("ws")).get()
+    isWss = ma.contains(multiCodec("wss")).get()
+
+  return isWs or isWss
+
+proc containsWsAddress(extMultiAddrs: seq[MultiAddress]): bool =
+  return extMultiAddrs.filterIt( it.isWsAddress() ).len > 0
+
 proc init*(T: type NetConfig,
     bindIp: ValidIpAddress,
     bindPort: Port,
@@ -126,7 +136,8 @@ proc init*(T: type NetConfig,
 
   if wsExtAddress.isSome():
     announcedAddresses.add(wsExtAddress.get())
-  elif wsHostAddress.isSome():
+  elif wsHostAddress.isSome() and not containsWsAddress(extMultiAddrs):
+    # Only publish wsHostAddress if a WS address is not set in extMultiAddrs
     announcedAddresses.add(wsHostAddress.get())
 
   let