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Add Batch messages from processor, verify Batchs published on-chain

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Renames Update to SignedBatch.

Checks Batch equality via a hash of the InInstructions. That prevents needing
to keep the Batch in node state or TX introspect.
This commit is contained in:
Luke Parker
2023-09-29 03:51:01 -04:00
parent 0be567ff69
commit 0eff3d9453
18 changed files with 281 additions and 80 deletions
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17
docs/coordinator/Coordinator.md
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@@ -7,23 +7,28 @@ node.
This document primarily details its flow with regards to the Serai node and
processor.
## New Set Event
### New Set Event
On `validator_sets::pallet::Event::NewSet`, the coordinator spawns a tributary
for the new set. It additionally sends the processor
`key_gen::CoordinatorMessage::GenerateKey`.
## Key Generation Event
### Key Generation Event
On `validator_sets::pallet::Event::KeyGen`, the coordinator sends
`substrate::CoordinatorMessage::ConfirmKeyPair` to the processor.
# Update
### Batch
On `key_gen::ProcessorMessage::Update`, the coordinator publishes an unsigned
transaction containing the signed batch to the Serai blockchain.
On `substrate::ProcessorMessage::Batch`, the coordinator notes what the on-chain
`Batch` should be, for verification once published.
# Sign Completed
### SignedBatch
On `substrate::ProcessorMessage::SignedBatch`, the coordinator publishes an
unsigned transaction containing the signed batch to the Serai blockchain.
### Sign Completed
On `sign::ProcessorMessage::Completed`, the coordinator makes a tributary
transaction containing the transaction hash the signing process was supposedly