[Tunnel] update IBC route interface

proto/band/tunnel/v1beta1/route.proto

@@ -33,17 +33,17 @@ message TSSPacketReceipt {
   ];
 }
 
-// IBCRoute is the type for an IBC route
+// IBCRoute represents a route for IBC packets and implements the RouteI interface.
 message IBCRoute {
-  option (cosmos_proto.implements_interface) = "Route";
+  option (cosmos_proto.implements_interface) = "RouteI";
 
   // channel_id is the IBC channel ID
   string channel_id = 1 [(gogoproto.customname) = "ChannelID"];
 }
 
 // IBCPacketReceipt represents a receipt for a IBC packet and implements the PacketReceiptI interface.
 message IBCPacketReceipt {
-  option (cosmos_proto.implements_interface) = "PacketContentI";
+  option (cosmos_proto.implements_interface) = "PacketReceiptI";
 
   // sequence is representing the sequence of the IBC packet.
   uint64 sequence = 1;

x/tunnel/keeper/keeper_packet_ibc.go

@@ -43,7 +43,7 @@ func (k Keeper) SendIBCPacket(
 		portID,
 		route.ChannelID,
 		clienttypes.NewHeight(0, 0),
-		uint64(ctx.BlockTime().UnixNano())+interval*uint64(time.Second),
+		uint64(ctx.BlockTime().UnixNano())+interval*uint64(time.Second)*2,
 		packetBytes,
 	)
 	if err != nil {

x/tunnel/keeper/keeper_packet_ibc_test.go

@@ -28,7 +28,7 @@ func (s *KeeperTestSuite) TestSendIBCPacket() {
 
 	s.scopedKeeper.EXPECT().GetCapability(ctx, gomock.Any()).Return(&capabilitytypes.Capability{}, true)
 	s.icsWrapper.EXPECT().
-		SendPacket(ctx, gomock.Any(), "tunnel.1", route.ChannelID, clienttypes.NewHeight(0, 0), uint64(ctx.BlockTime().UnixNano())+interval*uint64(time.Second), gomock.Any()).
+		SendPacket(ctx, gomock.Any(), "tunnel.1", route.ChannelID, clienttypes.NewHeight(0, 0), uint64(ctx.BlockTime().UnixNano())+interval*uint64(time.Second)*2, gomock.Any()).
 		Return(uint64(1), nil)
 
 	content, err := k.SendIBCPacket(ctx, route, packet, interval)