refactor!: moved ErrInternal to the chain-sdk

x/provider/handler/server.go

@@ -3,7 +3,8 @@ package handler
 import (
 	"context"
 
-	errorsmod "cosmossdk.io/errors"
+	sdkerrors "cosmossdk.io/errors"
+	"google.golang.org/grpc/codes"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	types "pkg.akt.dev/go/node/provider/v1beta4"
@@ -14,7 +15,7 @@ import (
 
 var (
 	// ErrInternal defines registered error code for internal error
-	ErrInternal = errorsmod.Register(types.ModuleName, 10, "internal error")
+	ErrInternal = sdkerrors.RegisterWithGRPCCode(types.ModuleName, 10, codes.Internal, "internal error")
 )
 
 type msgServer struct {
@@ -65,7 +66,7 @@ func (ms msgServer) UpdateProvider(goCtx context.Context, msg *types.MsgUpdatePr
 	}
 
 	if err := ms.provider.Update(ctx, types.Provider(*msg)); err != nil {
-		return nil, errorsmod.Wrapf(ErrInternal, "err: %v", err)
+		return nil, sdkerrors.Wrapf(ErrInternal, "err: %v", err)
 	}
 
 	return &types.MsgUpdateProviderResponse{}, nil

x/provider/handler/server_test.go

@@ -0,0 +1,34 @@
+package handler_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+
+	"pkg.akt.dev/node/x/provider/handler"
+)
+
+func TestErrorGRPCStatusCodes(t *testing.T) {
+	tests := []struct {
+		name         string
+		err          error
+		expectedCode codes.Code
+	}{
+		{
+			name:         "internal_returns_internal",
+			err:          handler.ErrInternal,
+			expectedCode: codes.Internal,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			st, ok := status.FromError(tt.err)
+			require.True(t, ok, "error should be convertible to gRPC status")
+			require.Equal(t, tt.expectedCode, st.Code(), "gRPC status code mismatch")
+		})
+	}
+}
+