✨ Feat: Implement support for multiple CCNs

migrations/5-multiCCN.sql

@@ -0,0 +1,21 @@
+CREATE TABLE ccns (
+    ccn_id TEXT PRIMARY KEY DEFAULT (lower(hex(randomblob(16)))),
+    pubkey TEXT NOT NULL UNIQUE,
+    name TEXT NOT NULL,
+    created_at INTEGER NOT NULL DEFAULT (unixepoch()),
+    is_active INTEGER NOT NULL DEFAULT 1
+);
+
+ALTER TABLE events
+ADD COLUMN ccn_pubkey TEXT;
+
+CREATE INDEX idx_events_ccn_pubkey ON events(ccn_pubkey);
+
+ALTER TABLE event_chunks RENAME COLUMN chunk_data TO content;
+ALTER TABLE event_chunks ADD COLUMN ccn_pubkey TEXT;
+ALTER TABLE event_chunks DROP COLUMN conversation_key;
+CREATE INDEX idx_event_chunks_ccn_pubkey ON event_chunks(ccn_pubkey);
+
+UPDATE ccns SET is_active = 0;
+UPDATE ccns SET is_active = 1
+WHERE pubkey = (SELECT pubkey FROM ccns LIMIT 1);