store: save updates state in database

Signed-off-by: Sumner Evans <sumner.evans@automattic.com>

pkg/store/upgrades/00-latest.sql

@@ -1,7 +1,32 @@
 -- v0 -> v1: Latest revision
 
--- TODO do I need to have bridge ID here?
 CREATE TABLE telegram_session (
     user_id      INTEGER PRIMARY KEY,
     session_data BYTEA NOT NULL
 );
+
+CREATE TABLE telegram_user_state (
+    user_id INTEGER PRIMARY KEY,
+    pts     INTEGER NOT NULL,
+    qts     INTEGER NOT NULL,
+    date    INTEGER NOT NULL,
+    seq     INTEGER NOT NULL
+);
+
+CREATE TABLE telegram_channel_state (
+    user_id    INTEGER,
+    channel_id INTEGER,
+    pts        INTEGER NOT NULL,
+
+    PRIMARY KEY (user_id, channel_id)
+);
+
+CREATE INDEX idx_telegram_channel_state_user_id ON telegram_channel_state (user_id);
+
+CREATE TABLE telegram_channel_access_hashes (
+    user_id     INTEGER,
+    channel_id  INTEGER,
+    access_hash INTEGER NOT NULL,
+
+    PRIMARY KEY (user_id, channel_id)
+);