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Automatically backup trade bot data when starting a new trade (from either side).

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This commit is contained in:
CalDescent 2021-04-17 20:45:35 +01:00
parent 4312ebfcc3
commit e9b4a3f6b3
2 changed files with 23 additions and 0 deletions
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6
src/main/java/org/qortal/controller/tradebot/LitecoinACCTv1TradeBot.java
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@ -211,6 +211,9 @@ public class LitecoinACCTv1TradeBot implements AcctTradeBot {
TradeBot.updateTradeBotState(repository, tradeBotData, () -> String.format("Built AT %s. Waiting for deployment", atAddress));
// Attempt to backup the trade bot data
TradeBot.backupTradeBotData(repository);
// Return to user for signing and broadcast as we don't have their Qortal private key
try {
return DeployAtTransactionTransformer.toBytes(deployAtTransactionData);
@ -283,6 +286,9 @@ public class LitecoinACCTv1TradeBot implements AcctTradeBot {
tradeForeignPublicKey, tradeForeignPublicKeyHash,
crossChainTradeData.expectedForeignAmount, xprv58, null, lockTimeA, receivingPublicKeyHash);
// Attempt to backup the trade bot data
TradeBot.backupTradeBotData(repository);
// Check we have enough funds via xprv58 to fund P2SH to cover expectedForeignAmount
long p2shFee;
try {

17
src/main/java/org/qortal/controller/tradebot/TradeBot.java
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@ -7,6 +7,7 @@ import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.concurrent.locks.ReentrantLock;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
@ -267,6 +268,22 @@ public class TradeBot implements Listener {
return secret;
}
/*package*/ static void backupTradeBotData(Repository repository) {
// Attempt to backup the trade bot data. This an optional step and doesn't impact trading, so don't throw an exception on failure
try {
LOGGER.info("About to backup trade bot data...");
ReentrantLock blockchainLock = Controller.getInstance().getBlockchainLock();
blockchainLock.lockInterruptibly();
try {
repository.exportNodeLocalData(true);
} finally {
blockchainLock.unlock();
}
} catch (InterruptedException | DataException e) {
LOGGER.info(String.format("Failed to obtain blockchain lock when exporting trade bot data: %s", e.getMessage()));
}
}
/** Updates trade-bot entry to new state, with current timestamp, logs message and notifies state-change listeners. */
/*package*/ static void updateTradeBotState(Repository repository, TradeBotData tradeBotData,
String newState, int newStateValue, Supplier<String> logMessageSupplier) throws DataException {