Bastian Köcher 2dfe8ffce8 Make produce_candidate return an Option (#1309) ...

* Make `produce_candidate` return an `Option`

Instead of `produce_candidate` returning a `Result`, it should return an
`Option`. The only supported error was `InvalidHead` anyway and Cumulus
will take care to print appropriate information on what failed and
Polkadot can just ignore it.

* Fix warning

2020-06-24 01:04:45 +02:00

polkadot

Make produce_candidate return an Option (#1309)

2020-06-24 01:04:45 +02:00

S

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