Observed address handling

.pinned

@@ -8,7 +8,7 @@ json_serialization;https://github.com/status-im/nim-json-serialization@#a7d815ed
 metrics;https://github.com/status-im/nim-metrics@#21e99a2e9d9f80e68bef65c80ef781613005fccb
 ngtcp2;https://github.com/status-im/nim-ngtcp2@#76bf92475f55728ff55a2a19b45a5fcbb4faa2ab
 nimcrypto;https://github.com/cheatfate/nimcrypto@#24e006df85927f64916e60511620583b11403178
-quic;https://github.com/status-im/nim-quic.git@#9dd9b528cfda50f6482f800175d7350cb03911ff
+quic;https://github.com/status-im/nim-quic.git@#a4e7cdbfc9c02956942aa12f8b6c35fa877f401a
 secp256k1;https://github.com/status-im/nim-secp256k1@#fd173fdff863ce2e211cf64c9a03bc7539fe40b0
 serialization;https://github.com/status-im/nim-serialization@#d77417cba6896c26287a68e6a95762e45a1b87e5
 stew;https://github.com/status-im/nim-stew@#f2f9685ec904868bbb48485e72ddc026ed51b230

libp2p.nim

@@ -48,6 +48,7 @@ else:
             stream/connection,
             transports/transport,
             transports/tcptransport,
+            transports/quictransport,
             transports/wstransport,
             protocols/secure/noise,
             protocols/ping,

libp2p/transports/quictransport.nim

@@ -33,7 +33,7 @@ type
     stream: Stream
     cached: seq[byte]
 
-proc new(_: type QuicStream, stream: Stream, oaddr: MultiAddress, peerId: PeerId): QuicStream =
+proc new(_: type QuicStream, stream: Stream, oaddr: Opt[MultiAddress], peerId: PeerId): QuicStream =
   let quicstream = QuicStream(stream: stream, observedAddr: oaddr, peerId: peerId)
   procCall P2PConnection(quicstream).initStream()
   quicstream
@@ -201,9 +201,13 @@ method handles*(transport: QuicTransport, address: MultiAddress): bool =
 method start*(transport: QuicTransport, addrs: seq[MultiAddress]) {.async.} =
   doAssert transport.listener.isNil, "start() already called"
   #TODO handle multiple addr
-  #TODO resolve used address
   transport.listener = listen(initTAddress(addrs[0]).tryGet)
   await procCall Transport(transport).start(addrs)
+  transport.addrs[0] =
+    MultiAddress.init(
+      transport.listener.localAddress(),
+      IPPROTO_UDP
+    ).tryGet() & MultiAddress.init("/quic").get()
   transport.running = true
 
 method stop*(transport: QuicTransport) {.async.} =
@@ -215,11 +219,14 @@ method stop*(transport: QuicTransport) {.async.} =
     transport.running = false
     transport.listener = nil
 
-proc wrapConnection(transport: QuicTransport, connection: QuicConnection): P2PConnection =
-  #TODO currently not exposed from nim-quic
+proc wrapConnection(
+    transport: QuicTransport,
+    connection: QuicConnection): P2PConnection {.raises: [Defect, TransportOsError, LPError].} =
   let
-    observedAddr = MultiAddress.init("/ip4/0.0.0.0/udp/0/quic").get()
-    conres = QuicSession(connection: connection, observedAddr: observedAddr)
+    remoteAddr = connection.remoteAddress()
+    observedAddr =
+      MultiAddress.init(remoteAddr, IPPROTO_UDP).get() & MultiAddress.init("/quic").get()
+    conres = QuicSession(connection: connection, observedAddr: Opt.some(observedAddr))
   conres.initStream()
 
   transport.connections.add(conres)