outbox for gateways

api/gateway/chain/storage/mongo/repository.go

@@ -6,7 +6,9 @@ import (
 
 	"github.com/tech/sendico/gateway/chain/storage"
 	"github.com/tech/sendico/gateway/chain/storage/mongo/store"
+	gatewayoutbox "github.com/tech/sendico/gateway/common/outbox"
 	"github.com/tech/sendico/pkg/db"
+	"github.com/tech/sendico/pkg/db/transaction"
 	"github.com/tech/sendico/pkg/merrors"
 	"github.com/tech/sendico/pkg/mlogger"
 	"go.mongodb.org/mongo-driver/v2/mongo"
@@ -15,13 +17,15 @@ import (
 
 // Store implements storage.Repository backed by MongoDB.
 type Store struct {
-	logger mlogger.Logger
-	conn   *db.MongoConnection
-	db     *mongo.Database
+	logger    mlogger.Logger
+	conn      *db.MongoConnection
+	db        *mongo.Database
+	txFactory transaction.Factory
 
 	wallets   storage.WalletsStore
 	transfers storage.TransfersStore
 	deposits  storage.DepositsStore
+	outbox    gatewayoutbox.Store
 }
 
 // New creates a new Mongo-backed repository.
@@ -35,9 +39,10 @@ func New(logger mlogger.Logger, conn *db.MongoConnection) (*Store, error) {
 	}
 
 	result := &Store{
-		logger: logger.Named("storage").Named("mongo"),
-		conn:   conn,
-		db:     conn.Database(),
+		logger:    logger.Named("storage").Named("mongo"),
+		conn:      conn,
+		db:        conn.Database(),
+		txFactory: newMongoTransactionFactory(client),
 	}
 
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
@@ -63,10 +68,16 @@ func New(logger mlogger.Logger, conn *db.MongoConnection) (*Store, error) {
 		result.logger.Error("Failed to initialise deposits store", zap.Error(err))
 		return nil, err
 	}
+	outboxStore, err := gatewayoutbox.NewMongoStore(result.logger, result.db)
+	if err != nil {
+		result.logger.Error("Failed to initialise outbox store", zap.Error(err))
+		return nil, err
+	}
 
 	result.wallets = walletsStore
 	result.transfers = transfersStore
 	result.deposits = depositsStore
+	result.outbox = outboxStore
 
 	result.logger.Info("Chain gateway MongoDB storage initialised")
 	return result, nil
@@ -95,4 +106,12 @@ func (s *Store) Deposits() storage.DepositsStore {
 	return s.deposits
 }
 
+func (s *Store) Outbox() gatewayoutbox.Store {
+	return s.outbox
+}
+
+func (s *Store) TransactionFactory() transaction.Factory {
+	return s.txFactory
+}
+
 var _ storage.Repository = (*Store)(nil)