feat(v2): crypto 孤儿到账发现——OrphanScanner 扫链核对 + orphan_payments 落表告警(对账兜底)

internal/store/order_query_test.go

@@ -176,3 +176,28 @@ func TestListOrdersByStatus(t *testing.T) {
 		t.Fatalf("命中集合不对: %+v", got)
 	}
 }
+
+// TestListAttemptsByChannelSince 供 orphan 扫描构造"已知期望金额集":同渠道、
+// created_at>=since、任意状态的 attempt(pending/paid/expired 都算——凡 pay
+// 合法签发过的金额都不算孤儿)。
+func TestListAttemptsByChannelSince(t *testing.T) {
+	db := model.OpenTestDB(t)
+	s := store.NewOrderStore(db)
+	now := time.Date(2026, 7, 10, 12, 0, 0, 0, time.UTC)
+	mk := func(no, ch string, ago time.Duration) {
+		_ = s.CreateAttempt(&model.Attempt{OutTradeNo: no, Channel: ch, ProviderRef: "R-" + no,
+			AmountMinor: 100, Currency: "USDT", Status: model.AttemptPending})
+		_ = db.Model(&model.Attempt{}).Where("out_trade_no = ?", no).Update("created_at", now.Add(-ago)).Error
+	}
+	mk("C1", "crypto", 10*time.Minute)
+	mk("C2", "crypto", 5*time.Hour) // 太旧
+	mk("A1", "alipay", 1*time.Minute)
+
+	got, err := s.ListAttemptsByChannelSince("crypto", now.Add(-time.Hour), 100)
+	if err != nil {
+		t.Fatalf("list: %v", err)
+	}
+	if len(got) != 1 || got[0].OutTradeNo != "C1" {
+		t.Fatalf("只应含近期 crypto, got %+v", got)
+	}
+}