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Merge pull request #102 from catbref/faster-qort-buy-PoC

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Proof of concept: speed up QORT buying
This commit is contained in:
CalDescent
2022-11-01 18:55:21 +00:00
committed by GitHub
parent 985c195e9e aead9cfcbf
commit 10ae383bb6
1 changed files with 19 additions and 11 deletions
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30
src/main/java/org/qortal/controller/tradebot/LitecoinACCTv3TradeBot.java
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@@ -19,6 +19,7 @@ import org.qortal.data.transaction.MessageTransactionData;
import org.qortal.group.Group;
import org.qortal.repository.DataException;
import org.qortal.repository.Repository;
import org.qortal.repository.RepositoryManager;
import org.qortal.transaction.DeployAtTransaction;
import org.qortal.transaction.MessageTransaction;
import org.qortal.transaction.Transaction.ValidationResult;
@@ -317,20 +318,27 @@ public class LitecoinACCTv3TradeBot implements AcctTradeBot {
boolean isMessageAlreadySent = repository.getMessageRepository().exists(tradeBotData.getTradeNativePublicKey(), messageRecipient, messageData);
if (!isMessageAlreadySent) {
PrivateKeyAccount sender = new PrivateKeyAccount(repository, tradeBotData.getTradePrivateKey());
MessageTransaction messageTransaction = MessageTransaction.build(repository, sender, Group.NO_GROUP, messageRecipient, messageData, false, false);
// Do this in a new thread so caller doesn't have to wait for computeNonce()
// In the unlikely event that the transaction doesn't validate then the buy won't happen and eventually Alice's AT will be refunded
new Thread(() -> {
try (final Repository threadsRepository = RepositoryManager.getRepository()) {
PrivateKeyAccount sender = new PrivateKeyAccount(threadsRepository, tradeBotData.getTradePrivateKey());
MessageTransaction messageTransaction = MessageTransaction.build(threadsRepository, sender, Group.NO_GROUP, messageRecipient, messageData, false, false);
messageTransaction.computeNonce();
messageTransaction.sign(sender);
messageTransaction.computeNonce();
messageTransaction.sign(sender);
// reset repository state to prevent deadlock
repository.discardChanges();
ValidationResult result = messageTransaction.importAsUnconfirmed();
// reset repository state to prevent deadlock
threadsRepository.discardChanges();
ValidationResult result = messageTransaction.importAsUnconfirmed();
if (result != ValidationResult.OK) {
LOGGER.warn(() -> String.format("Unable to send MESSAGE to Bob's trade-bot %s: %s", messageRecipient, result.name()));
return ResponseResult.NETWORK_ISSUE;
}
if (result != ValidationResult.OK) {
LOGGER.warn(() -> String.format("Unable to send MESSAGE to Bob's trade-bot %s: %s", messageRecipient, result.name()));
}
} catch (DataException e) {
LOGGER.warn(() -> String.format("Unable to send MESSAGE to Bob's trade-bot %s: %s", messageRecipient, e.getMessage()));
}
}, "TradeBot response").start();
}
TradeBot.updateTradeBotState(repository, tradeBotData, () -> String.format("Funding P2SH-A %s. Messaged Bob. Waiting for AT-lock", p2shAddress));