paymentsdb: add compile time check for the kv db implementation

ziggie1984 · ziggie1984 · commit 0320dfcc8988 · 2025-09-05T09:52:40.000+02:00
diff --git a/payments/db/kv_store.go b/payments/db/kv_store.go
@@ -133,6 +133,9 @@ type KVStore struct {
 	keepFailedPaymentAttempts bool
 }
 
+// A compile-time constraint to ensure KVStore implements DB.
+var _ DB = (*KVStore)(nil)
+
 // NewKVStore creates a new KVStore for payments.
 func NewKVStore(db kvdb.Backend,
 	options ...OptionModifier) (*KVStore, error) {

Original file line number	Diff line number	Diff line change
`@@ -133,6 +133,9 @@ type KVStore struct {`
`133`	`133`	`keepFailedPaymentAttempts bool`
`134`	`134`	`}`
`135`	`135`
	`136`	`+// A compile-time constraint to ensure KVStore implements DB.`
	`137`	`+var _ DB = (*KVStore)(nil)`
	`138`	`+`
`136`	`139`	`// NewKVStore creates a new KVStore for payments.`
`137`	`140`	`func NewKVStore(db kvdb.Backend,`
`138`	`141`	`options ...OptionModifier) (*KVStore, error) {`