Luke Parker a404944b90 Add a SubstrateBlockAck message to the processor ...

When a Substrate block occurs, the coordinator is expected to emit
SubstrateBlock. This causes the processor to begin a variety of plans. The
processor now emits SubstrateBlockAck, explicitly listing all plan IDs, before
starting signing.

This lets the coordinator provide a SubstrateBlock transaction, and with it,
recognize all plan IDs as valid.

Prior, we would've had to have a spotty algorithm based upon the upcoming
Preprocess messages, or if we immediately provided the SubstrateBlock
transaction, then wait for the processor to inform us of the contained plans.

This creates an explicitly proper async flow not reliant on waiting for data
availability.

Alternatively, we could've replaced Preprocess with (Block, Vec<Preprocess>).
This would've been more efficient, yet also clunky due to the multiple usages
of the Preprocess message.

2023-04-20 15:26:22 -04:00

6.7 KiB

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