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Avoid computing the proof of work for each online account more than once.

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This commit is contained in:
CalDescent 2022-09-03 17:11:13 +01:00
parent 8cca6db316
commit 8879ec5bb4
1 changed files with 16 additions and 0 deletions
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16
src/main/java/org/qortal/controller/OnlineAccountsManager.java
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@ -510,10 +510,26 @@ public class OnlineAccountsManager {
byte[] timestampBytes = Longs.toByteArray(onlineAccountsTimestamp);
List<OnlineAccountData> ourOnlineAccounts = new ArrayList<>();
int remaining = mintingAccounts.size();
for (MintingAccountData mintingAccountData : mintingAccounts) {
remaining--;
byte[] privateKey = mintingAccountData.getPrivateKey();
byte[] publicKey = Crypto.toPublicKey(privateKey);
// We don't want to compute the online account nonce and signature again if it already exists
Set<OnlineAccountData> onlineAccounts = this.currentOnlineAccounts.computeIfAbsent(onlineAccountsTimestamp, k -> ConcurrentHashMap.newKeySet());
boolean alreadyExists = onlineAccounts.stream().anyMatch(a -> Arrays.equals(a.getPublicKey(), publicKey));
if (alreadyExists) {
if (remaining > 0) {
// Move on to next account
continue;
}
else {
// Everything exists, so return true
return true;
}
}
// Generate bytes for mempow
byte[] mempowBytes;
try {