Implementing a custom IBC application
You can see that the application callbacks are coming from a router (opens new window):
This returns an implementation of the IBC Module Interface (opens new window):
Here you can find all the callbacks your application needs to implement. So, in the
msg_serve.go you can find the following in the
This calls custom logic of the application. The situation is similar for
OnChanOpenConfirm, etc., in the IBC Module Interface (opens new window):
You will learn about applications soon, but the take away here is that an application developer will need to implement the IBC Module Interface (opens new window).