IBC Cell conflict of relayer and forcerelay-ckb-sdk generating tx at the same time

[ashuralyk]

Summary of Bug

since channel cell and packet cell only exist one instance in CKB, and also due to forcerelay and forcerelay-ckb-sdk work independently, so that cell compete happened while both of them generate transaction that consumes a same cell at the same time

I guess to regenerate transaction may solve this problem

[blckngm]

The relayer needs to retry, generating a new tx using new cells. Maybe it's already handled by the framework (hermes)?

It's a nice to have for the cli. Users can always retry manually.

[ashuralyk]

The relayer needs to retry, generating a new tx using new cells. Maybe it's already handled by the framework (hermes)?

It's a nice to have for the cli. Users can always retry manually.

actually, I don't see any concerns about this issue in Hermes, and it doesn't retry sending transaction in the deployed instance