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Use proper messages for ValidatorSets/InInstructions pallet

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Provides a DST, and associated metadata as beneficial.

Also utilizes MuSig's context to session-bind. Since set_keys_messages also
binds to set, this is semi-redundant, yet that's appreciated.
This commit is contained in:
Luke Parker
2023-05-13 04:20:13 -04:00
parent 663b5f4b50
commit 47f8766da6
17 changed files with 102 additions and 70 deletions
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11
processor/src/substrate_signer.rs
View File

@@ -20,7 +20,7 @@ use log::{info, debug, warn};
use serai_client::{
primitives::BlockHash,
in_instructions::primitives::{Batch, SignedBatch},
in_instructions::primitives::{Batch, SignedBatch, batch_message},
};
use messages::{sign::SignId, coordinator::*};
@@ -253,10 +253,11 @@ impl<D: Db> SubstrateSigner<D> {
Err(e) => todo!("malicious signer: {:?}", e),
};
let (machine, share) = match machine.sign(preprocesses, &self.signable[&id.id].encode()) {
Ok(res) => res,
Err(e) => todo!("malicious signer: {:?}", e),
};
let (machine, share) =
match machine.sign(preprocesses, &batch_message(&self.signable[&id.id])) {
Ok(res) => res,
Err(e) => todo!("malicious signer: {:?}", e),
};
self.signing.insert(id.id, machine);
// Broadcast our share

3
processor/src/tests/substrate_signer.rs
View File

@@ -9,7 +9,6 @@ use frost::{
dkg::tests::{key_gen, clone_without},
};
use scale::Encode;
use sp_application_crypto::{RuntimePublic, sr25519::Public};
use serai_db::{DbTxn, Db, MemDb};
@@ -143,7 +142,7 @@ async fn test_substrate_signer() {
{
assert_eq!(signed_batch.batch, batch);
assert!(Public::from_raw(actual_id.key.clone().try_into().unwrap())
.verify(&batch.encode(), &signed_batch.signature));
.verify(&batch_message(&batch), &signed_batch.signature));
} else {
panic!("didn't get signed batch back");
}