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Use a single txn for an entire coordinator message

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Removes direct DB accesses whre possible. Documents the safety of the rest.
Does uncover one case of unsafety not previously noted.
This commit is contained in:
Luke Parker
2023-04-17 23:20:48 -04:00
parent 7579c71765
commit fd1bbec134
12 changed files with 370 additions and 284 deletions
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13
processor/src/tests/wallet.rs
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@@ -6,7 +6,7 @@ use frost::{Participant, dkg::tests::key_gen};
use tokio::time::timeout;
use serai_db::MemDb;
use serai_db::{DbTxn, Db, MemDb};
use crate::{
Payment, Plan,
@@ -24,10 +24,13 @@ pub async fn test_wallet<C: Coin>(coin: C) {
}
let key = keys[&Participant::new(1).unwrap()].group_key();
let (mut scanner, active_keys) = Scanner::new(coin.clone(), MemDb::new());
let mut db = MemDb::new();
let (mut scanner, active_keys) = Scanner::new(coin.clone(), db.clone());
assert!(active_keys.is_empty());
let (block_id, outputs) = {
scanner.rotate_key(coin.get_latest_block_number().await.unwrap(), key).await;
let mut txn = db.txn();
scanner.rotate_key(&mut txn, coin.get_latest_block_number().await.unwrap(), key).await;
txn.commit();
let block = coin.test_send(C::address(key)).await;
let block_id = block.id();
@@ -114,8 +117,10 @@ pub async fn test_wallet<C: Coin>(coin: C) {
}
// Check the Scanner DB can reload the outputs
let mut txn = db.txn();
assert_eq!(
scanner.ack_up_to_block(key, block.id()).await.1,
scanner.ack_up_to_block(&mut txn, key, block.id()).await.1,
[first_outputs, outputs].concat().to_vec()
);
txn.commit();
}