lottery

migrations/002_lottery.sql

@@ -0,0 +1,23 @@
+create table if not exists lottery_rounds (
+  id text primary key,
+  status text not null,
+  pool_minor bigint not null default 0 check (pool_minor >= 0),
+  winner_user_id text references users(id),
+  winner_account_id text references accounts(id),
+  draw_at timestamptz not null,
+  created_at timestamptz not null,
+  completed_at timestamptz
+);
+
+create table if not exists lottery_entries (
+  id text primary key,
+  round_id text not null references lottery_rounds(id) on delete cascade,
+  user_id text not null references users(id) on delete cascade,
+  account_id text not null references accounts(id) on delete cascade,
+  amount_minor bigint not null check (amount_minor > 0),
+  created_at timestamptz not null
+);
+
+create index if not exists idx_lottery_rounds_status_created_at on lottery_rounds(status, created_at desc);
+create index if not exists idx_lottery_entries_round_id on lottery_entries(round_id, created_at asc);
+create index if not exists idx_lottery_entries_user_id on lottery_entries(user_id, created_at desc);