Max Inden 597c0a6c4f client/finality-grandpa: Make round_communication use bounded channel (#4691) ...

* clinet/finality-grandpa: Make round_communication use bounded channel

`round_communication` returns a `Sink` and a `Stream` for outgoing and
incoming messages. The messages send into the `Sink` are forwarded down
to the network as well as send back into the `Stream` to ensure the node
processes its own messages.

So far, to send messages into the `Sink` back into the `Stream`, an
unbounded channel was used. This patch updates `round_communication` and
`OutgoingMessages` to use a bounded channel.

This is part of a greater effort to reduce the number of owners of
components within `finality-grandpa` and `network` as well as to reduce
the amount of unbounded channels. For details see d9837d7dd and
5f80929dc.

* client/finality-grandpa: Import futures03::future::ready at the top

* client/finality-grandpa: Make tests use compat of future 03

* client/finality-grandpa: Do not import ready into scope

Instead of importing futures03::future::ready into the scope, only
import futures::future03 into scope and call ready as furure03::ready.

2020-01-23 12:58:36 +01:00

substrate

client/finality-grandpa: Make round_communication use bounded channel (#4691)

2020-01-23 12:58:36 +01:00

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