Update - modify hub to support multiple networks. (#4)

Co-authored-by: jdl <jdl@desktop>
Reviewed-on: #4

hub/api/migrations/2024-11-30-init.sql

@@ -1,7 +1,5 @@
 CREATE TABLE config (
   ConfigID    INTEGER NOT NULL PRIMARY KEY, -- Always 1.
-  HubAddress  TEXT    NOT NULL, -- https://for.example.com
-  VPNNetwork  BLOB    NOT NULL, -- Network (/24), example 10.51.50.0
   Password    BLOB    NOT NULL  -- bcrypt password for web interface
 ) WITHOUT ROWID;
 
@@ -15,13 +13,22 @@ CREATE TABLE sessions (
 
 CREATE INDEX sessions_last_seen_index ON sessions(LastSeenAt);
 
+CREATE TABLE networks (
+  NetworkID   INTEGER NOT NULL PRIMARY KEY,
+  Name        TEXT    NOT NULL UNIQUE, -- Network/interface name.
+  Network     BLOB    NOT NULL UNIQUE  -- Network (/24), example 10.51.50.0
+) WITHOUT ROWID;
+
 CREATE TABLE peers (
-  PeerIP     INTEGER NOT NULL PRIMARY KEY, -- Final byte.
-  Version    INTEGER NOT NULL,
-  APIKey     TEXT    NOT NULL UNIQUE,
+  NetworkID  INTEGER NOT NULL,
+  PeerIP     INTEGER NOT NULL,             -- Final byte of IP.
+  Version    INTEGER NOT NULL,             -- Changes when updated.
+  APIKey     TEXT    NOT NULL UNIQUE,      -- Peer's secret API key.
   Name       TEXT    NOT NULL UNIQUE,      -- For humans.
   PublicIP   BLOB    NOT NULL,
   Port       INTEGER NOT NULL,
   Relay      INTEGER NOT NULL DEFAULT 0,   -- Boolean if peer will forward packets. Must also have public address.
-  PubKey     BLOB    NOT NULL
+  PubKey     BLOB    NOT NULL,
+  PubSignKey BLOB    NOT NULL,
+  PRIMARY KEY(NetworkID, PeerIP)
 ) WITHOUT ROWID;

hub/api/migrations/2024-12-27-signing-keys.sql

@@ -1 +0,0 @@
-ALTER TABLE peers ADD COLUMN PubSignKey BLOB NOT NULL DEFAULT '';