no error event is emitted/logged in case of ibc err ack

[omritoptix]

In case an error ack is returned, the error should be emitted as event for debug purposes. currently there is no error emitted which makes it hard to understand the root cause.

[danwt]

there is already an event right

https://github.com/cosmos/ibc-go/blob/893b7afd6e924a347866336918e37d880d67b0fc/modules/core/04-channel/keeper/events.go#L179-L205

[danwt]

https://github.com/cosmos/ibc-go/blob/6fbc8c926706969ee3dd47950014a0d65348fb3f/modules/core/04-channel/keeper/packet.go#L356

[zale144]

@danwt yea, but where the err at

[danwt]

but it's written right here https://github.com/cosmos/ibc-go/blob/893b7afd6e924a347866336918e37d880d67b0fc/modules/core/04-channel/keeper/events.go#L193 in the bytes

[zale144]

I know that, I'm talking about the actual ’err‘ that is the root cause, not the obfuscated generic message with abci code