feat: sync implement Stars friend gift packages

deploy/migrations/0165_stars_friend_gift_purchase.down.sql

@@ -0,0 +1,2 @@
+DROP TABLE IF EXISTS public.stars_gift_purchase_commands;
+DROP TABLE IF EXISTS public.stars_gift_purchase_forms;

deploy/migrations/0165_stars_friend_gift_purchase.up.sql

@@ -0,0 +1,45 @@
+CREATE TABLE public.stars_gift_purchase_forms (
+    buyer_user_id bigint NOT NULL,
+    form_id bigint NOT NULL,
+    recipient_user_id bigint NOT NULL,
+    stars bigint NOT NULL,
+    currency text NOT NULL,
+    amount bigint NOT NULL,
+    issued_at integer NOT NULL,
+    expires_at integer NOT NULL,
+    CONSTRAINT stars_gift_purchase_forms_pkey PRIMARY KEY (buyer_user_id, form_id),
+    CONSTRAINT stars_gift_purchase_forms_shape_check CHECK (
+        buyer_user_id > 0 AND recipient_user_id > 0 AND
+        buyer_user_id <> recipient_user_id AND form_id <> 0 AND
+        stars > 0 AND amount > 0 AND char_length(currency) = 3 AND
+        currency = upper(currency) AND issued_at > 0 AND
+        expires_at = issued_at + 600)
+);
+
+CREATE INDEX stars_gift_purchase_forms_expiry_idx
+    ON public.stars_gift_purchase_forms (expires_at, buyer_user_id, form_id);
+
+CREATE TABLE public.stars_gift_purchase_commands (
+    buyer_user_id bigint NOT NULL,
+    form_id bigint NOT NULL,
+    request_fingerprint bytea NOT NULL,
+    recipient_user_id bigint NOT NULL,
+    stars bigint NOT NULL,
+    currency text NOT NULL,
+    amount bigint NOT NULL,
+    recipient_balance_after bigint NOT NULL,
+    transaction_id text NOT NULL,
+    created_at integer NOT NULL,
+    CONSTRAINT stars_gift_purchase_commands_pkey PRIMARY KEY (buyer_user_id, form_id),
+    CONSTRAINT stars_gift_purchase_commands_form_fkey
+        FOREIGN KEY (buyer_user_id, form_id)
+        REFERENCES public.stars_gift_purchase_forms (buyer_user_id, form_id)
+        ON DELETE RESTRICT,
+    CONSTRAINT stars_gift_purchase_commands_shape_check CHECK (
+        buyer_user_id > 0 AND recipient_user_id > 0 AND
+        buyer_user_id <> recipient_user_id AND form_id <> 0 AND
+        octet_length(request_fingerprint) = 32 AND stars > 0 AND amount > 0 AND
+        char_length(currency) = 3 AND recipient_balance_after >= 0 AND
+        transaction_id <> '' AND created_at > 0),
+    CONSTRAINT stars_gift_purchase_commands_transaction_id_key UNIQUE (transaction_id)
+);