Add `uds` to `._multiaddr`, tweak typing

tractor/_multiaddr.py

@@ -38,6 +38,7 @@ prots: bidict[int, str] = {
 
     'tcp': 4,
     'udp': 4,
+    'uds': 4,
 
     # TODO: support the next-gen shite Bo
     # 'quic': 4,
@@ -51,6 +52,7 @@ prot_params: dict[str, tuple[str]] = {
 
     'tcp': ('port',),
     'udp': ('port',),
+    'uds': ('path',),
 
     # 'quic': ('port',),
     # 'ssh': ('port',),
@@ -98,7 +100,10 @@ def iter_prot_layers(
 
 def parse_maddr(
     multiaddr: str,
-) -> dict[str, str | int | dict]:
+) -> dict[
+    str,
+    str|int|dict,
+]:
     '''
     Parse a libp2p style "multiaddress" into its distinct protocol
     segments where each segment is of the form:
@@ -129,7 +134,10 @@ def parse_maddr(
     ) in iter_prot_layers(multiaddr):
 
         layer: int = prots[prot_key]  # OSI layer used for sorting
-        ep: dict[str, int | str] = {'layer': layer}
+        ep: dict[str, int|str] = {
+            'layer': layer,
+            'proto': prot_key,
+        }
         layers[prot_key] = ep
 
         # TODO; validation and resolving of names: