unified gateway interfaces

api/gateway/chain/internal/service/gateway/service.go

@@ -20,6 +20,7 @@ import (
 	"github.com/tech/sendico/pkg/mlogger"
 	"github.com/tech/sendico/pkg/mservice"
 	chainv1 "github.com/tech/sendico/pkg/proto/gateway/chain/v1"
+	unifiedv1 "github.com/tech/sendico/pkg/proto/gateway/unified/v1"
 	"google.golang.org/grpc"
 )
 
@@ -33,7 +34,7 @@ var (
 	errStorageUnavailable = serviceError("chain_gateway: storage not initialised")
 )
 
-// Service implements the ChainGatewayService RPC contract.
+// Service implements the UnifiedGatewayService RPC contract for chain operations.
 type Service struct {
 	logger   mlogger.Logger
 	storage  storage.Repository
@@ -51,7 +52,7 @@ type Service struct {
 	commands        commands.Registry
 	announcers      []*discovery.Announcer
 
-	chainv1.UnimplementedChainGatewayServiceServer
+	unifiedv1.UnimplementedUnifiedGatewayServiceServer
 }
 
 // NewService constructs the chain gateway service skeleton.
@@ -94,7 +95,7 @@ func NewService(logger mlogger.Logger, repo storage.Repository, producer msg.Pro
 // Register wires the service onto the provided gRPC router.
 func (s *Service) Register(router routers.GRPC) error {
 	return router.Register(func(reg grpc.ServiceRegistrar) {
-		chainv1.RegisterChainGatewayServiceServer(reg, s)
+		unifiedv1.RegisterUnifiedGatewayServiceServer(reg, s)
 	})
 }
 
@@ -208,6 +209,7 @@ func (s *Service) startDiscoveryAnnouncers() {
 			Network:    network.Name,
 			Operations: []string{"balance.read", "payin.crypto", "payout.crypto", "fee.send"},
 			Currencies: currencies,
+			InvokeURI:  discovery.DefaultInvokeURI(string(mservice.ChainGateway)),
 			Version:    version,
 		}
 		announcer := discovery.NewAnnouncer(s.logger, s.producer, string(mservice.ChainGateway), announce)