Phase 3: Add path size inference and also bin some stupid migration tests while we're at it

app/event_handlers.py

@@ -221,7 +221,9 @@ async def on_path_update(event: "Event") -> None:
         )
         return
 
-    await ContactRepository.update_path(contact.public_key, str(path), normalized_path_len)
+    await ContactRepository.update_path(
+        contact.public_key, str(path), normalized_path_len
+    )
 
 
 async def on_new_contact(event: "Event") -> None:

app/models.py

@@ -2,6 +2,8 @@ from typing import Literal
 
 from pydantic import BaseModel, Field
 
+from app.path_utils import infer_hash_size
+
 
 class Contact(BaseModel):
     public_key: str = Field(description="Public key (64-char hex)")
@@ -32,6 +34,7 @@ class Contact(BaseModel):
             "flags": self.flags,
             "out_path": self.last_path or "",
             "out_path_len": self.last_path_len,
+            "out_path_hash_mode": infer_hash_size(self.last_path or "", self.last_path_len) - 1,
             "adv_lat": self.lat if self.lat is not None else 0.0,
             "adv_lon": self.lon if self.lon is not None else 0.0,
             "last_advert": self.last_advert if self.last_advert is not None else 0,

app/repository/contacts.py

@@ -25,8 +25,8 @@ class ContactRepository:
         await db.conn.execute(
             """
             INSERT INTO contacts (public_key, name, type, flags, last_path, last_path_len,
-                                  last_advert, lat, lon, last_seen, on_radio, last_contacted,
-                                  first_seen)
+                                  last_advert, lat, lon, last_seen,
+                                  on_radio, last_contacted, first_seen)
             VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
             ON CONFLICT(public_key) DO UPDATE SET
                 name = COALESCE(excluded.name, contacts.name),
@@ -200,9 +200,12 @@ class ContactRepository:
         return [ContactRepository._row_to_contact(row) for row in rows]
 
     @staticmethod
-    async def update_path(public_key: str, path: str, path_len: int) -> None:
+    async def update_path(
+        public_key: str, path: str, path_len: int
+    ) -> None:
         await db.conn.execute(
-            "UPDATE contacts SET last_path = ?, last_path_len = ?, last_seen = ? WHERE public_key = ?",
+            """UPDATE contacts SET last_path = ?, last_path_len = ?,
+               last_seen = ? WHERE public_key = ?""",
             (path, path_len, int(time.time()), public_key.lower()),
         )
         await db.conn.commit()