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Implement deterministic nonces for Tributary transactions

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This commit is contained in:
Luke Parker
2023-09-25 15:42:39 -04:00
parent ca69f97fef
commit 4babf898d7
6 changed files with 175 additions and 38 deletions
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15
coordinator/src/tributary/handle.rs
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@@ -36,7 +36,8 @@ use serai_db::{Get, Db};
use crate::{
processors::Processors,
tributary::{
Transaction, TributarySpec, Topic, DataSpecification, TributaryDb, scanner::RecognizedIdType,
Transaction, TributarySpec, Topic, DataSpecification, TributaryDb, nonce_decider::NonceDecider,
scanner::RecognizedIdType,
},
};
@@ -230,7 +231,7 @@ pub async fn handle_application_tx<
FPst: Future<Output = ()>,
PST: Clone + Fn(ValidatorSet, Encoded) -> FPst,
FRid: Future<Output = ()>,
RID: Clone + Fn(NetworkId, [u8; 32], RecognizedIdType, [u8; 32]) -> FRid,
RID: Clone + Fn(NetworkId, [u8; 32], RecognizedIdType, [u8; 32], u32) -> FRid,
>(
tx: Transaction,
spec: &TributarySpec,
@@ -414,7 +415,8 @@ pub async fn handle_application_tx<
Transaction::Batch(_, batch) => {
// Because this Batch has achieved synchrony, its batch ID should be authorized
TributaryDb::<D>::recognize_topic(txn, genesis, Topic::Batch(batch));
recognized_id(spec.set().network, genesis, RecognizedIdType::Batch, batch).await;
let nonce = NonceDecider::<D>::handle_batch(txn, genesis, batch);
recognized_id(spec.set().network, genesis, RecognizedIdType::Batch, batch, nonce).await;
}
Transaction::SubstrateBlock(block) => {
@@ -423,9 +425,10 @@ pub async fn handle_application_tx<
despite us not providing that transaction",
);
for id in plan_ids {
let nonces = NonceDecider::<D>::handle_substrate_block(txn, genesis, &plan_ids);
for (nonce, id) in nonces.into_iter().zip(plan_ids.into_iter()) {
TributaryDb::<D>::recognize_topic(txn, genesis, Topic::Sign(id));
recognized_id(spec.set().network, genesis, RecognizedIdType::Plan, id).await;
recognized_id(spec.set().network, genesis, RecognizedIdType::Plan, id, nonce).await;
}
}
@@ -441,6 +444,7 @@ pub async fn handle_application_tx<
&data.signed,
) {
Some(Some(preprocesses)) => {
NonceDecider::<D>::selected_for_signing_batch(txn, genesis, data.plan);
processors
.send(
spec.set().network,
@@ -498,6 +502,7 @@ pub async fn handle_application_tx<
&data.signed,
) {
Some(Some(preprocesses)) => {
NonceDecider::<D>::selected_for_signing_plan(txn, genesis, data.plan);
processors
.send(
spec.set().network,