feat: add telegram group pricing and direct payments

scripts/supabase/direct_payment_migration.sql

@@ -0,0 +1,29 @@
+-- Direct/manual transfer checkout support.
+-- Run once in Supabase SQL editor before enabling payment_mode=direct in production.
+
+alter table public.payment_transactions
+  alter column from_address drop not null;
+
+alter table public.payment_transactions
+  add column if not exists payment_method text not null default 'wallet';
+
+do $$
+begin
+  alter table public.payment_intents
+    drop constraint if exists payment_intents_payment_mode_check;
+  alter table public.payment_intents
+    add constraint payment_intents_payment_mode_check
+    check (payment_mode in ('strict', 'flex', 'direct'));
+
+  alter table public.payment_transactions
+    drop constraint if exists payment_transactions_status_check;
+  alter table public.payment_transactions
+    add constraint payment_transactions_status_check
+    check (status in ('submitted', 'confirmed', 'failed', 'duplicate', 'refund_required'));
+
+  alter table public.payment_transactions
+    drop constraint if exists payment_transactions_payment_method_check;
+  alter table public.payment_transactions
+    add constraint payment_transactions_payment_method_check
+    check (payment_method in ('wallet', 'manual', 'direct'));
+end $$;

scripts/supabase/schema.sql

@@ -91,7 +91,7 @@ create table if not exists public.payment_intents (
   token_address text not null,
   receiver_address text not null,
   amount_units numeric(78,0) not null,
-  payment_mode text not null default 'strict' check (payment_mode in ('strict', 'flex')),
+  payment_mode text not null default 'strict' check (payment_mode in ('strict', 'flex', 'direct')),
   allowed_wallet text,
   order_id_hex text not null unique,
   status text not null default 'created' check (status in ('created', 'submitted', 'confirmed', 'expired', 'failed', 'cancelled')),
@@ -114,10 +114,11 @@ create table if not exists public.payment_transactions (
   intent_id uuid not null references public.payment_intents(id) on delete cascade,
   tx_hash text not null unique,
   chain_id integer not null default 137,
-  from_address text not null,
+  from_address text,
   to_address text not null,
   block_number bigint,
-  status text not null default 'submitted' check (status in ('submitted', 'confirmed', 'failed')),
+  payment_method text not null default 'wallet' check (payment_method in ('wallet', 'manual', 'direct')),
+  status text not null default 'submitted' check (status in ('submitted', 'confirmed', 'failed', 'duplicate', 'refund_required')),
   raw_receipt jsonb not null default '{}'::jsonb,
   raw_tx jsonb not null default '{}'::jsonb,
   created_at timestamptz not null default now(),