feat(v2): crypto 预留表冷启动兜底——注入 loader 从 pending attempts 重建 reservation(兜重启丢内存)

internal/reconcile/crypto_warm.go

@@ -0,0 +1,33 @@
+package reconcile
+
+import (
+	"context"
+
+	"github.com/wangjia/pay/internal/model"
+	"github.com/wangjia/pay/internal/provider/crypto"
+	"github.com/wangjia/pay/internal/store"
+)
+
+// CryptoReservationLoader 装配 crypto 冷启动预留源:读全部 pending attempt,
+// 过滤 channel=crypto,映射为 crypto.PendingReservation。ReservedAt 取 attempt.CreatedAt
+// (建单时刻,冷却窗自此算)。crypto 不 import store,故此桥在装配层。
+func CryptoReservationLoader(orders *store.OrderStore) crypto.ReservationLoader {
+	return func(ctx context.Context) ([]crypto.PendingReservation, error) {
+		atts, err := orders.ListAttemptsByStatus(model.AttemptPending, 200)
+		if err != nil {
+			return nil, err
+		}
+		out := make([]crypto.PendingReservation, 0, len(atts))
+		for i := range atts {
+			a := &atts[i]
+			if a.Channel != "crypto" {
+				continue
+			}
+			out = append(out, crypto.PendingReservation{
+				AccountID: a.AccountID, AmountMinor: a.AmountMinor,
+				ProviderRef: a.ProviderRef, ReservedAt: a.CreatedAt,
+			})
+		}
+		return out, nil
+	}
+}

internal/reconcile/crypto_warm_test.go

@@ -0,0 +1,29 @@
+package reconcile_test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/wangjia/pay/internal/model"
+	"github.com/wangjia/pay/internal/reconcile"
+	"github.com/wangjia/pay/internal/store"
+)
+
+func TestCryptoReservationLoaderFiltersPendingCrypto(t *testing.T) {
+	db := model.OpenTestDB(t)
+	s := store.NewOrderStore(db)
+	// 两条 attempt:crypto pending(要)、alipay pending(不要)。
+	_ = s.CreateAttempt(&model.Attempt{OutTradeNo: "O1", Channel: "crypto", ProviderRef: "CRYPTO-O1-12",
+		AmountMinor: 100, Currency: "USDT", Status: model.AttemptPending})
+	_ = s.CreateAttempt(&model.Attempt{OutTradeNo: "O2", Channel: "alipay", ProviderRef: "AL-O2",
+		AmountMinor: 200, Currency: "CNY", Status: model.AttemptPending})
+
+	loader := reconcile.CryptoReservationLoader(s)
+	items, err := loader(context.Background())
+	if err != nil {
+		t.Fatalf("loader: %v", err)
+	}
+	if len(items) != 1 || items[0].ProviderRef != "CRYPTO-O1-12" || items[0].AmountMinor != 100 {
+		t.Fatalf("只应含 crypto pending, got %+v", items)
+	}
+}