Reduce logging noise from lost trade-bot ATs and self-clean if AT does not exist after 24 hours

src/main/java/org/qortal/controller/tradebot/BitcoinACCTv1TradeBot.java

@@ -382,7 +382,16 @@ public class BitcoinACCTv1TradeBot implements AcctTradeBot {
 			// Attempt to fetch AT data
 			atData = repository.getATRepository().fromATAddress(tradeBotData.getAtAddress());
 			if (atData == null) {
-				LOGGER.warn(() -> String.format("Unable to fetch trade AT %s from repository", tradeBotData.getAtAddress()));
+				LOGGER.debug(() -> String.format("Unable to fetch trade AT %s from repository", tradeBotData.getAtAddress()));
+
+				// If it has been over 24 hours since we last updated this trade-bot entry then assume AT is never coming back
+				// and so wipe the trade-bot entry
+				if (tradeBotData.getTimestamp() + MAX_AT_CONFIRMATION_PERIOD > NTP.getTime()) {
+					LOGGER.info(() -> String.format("AT %s has been gone for too long - deleting trade-bot entry", tradeBotData.getAtAddress()));
+					repository.getCrossChainRepository().delete(tradeBotData.getTradePrivateKey());
+					repository.saveChanges();
+				}
+
 				return;
 			}
 

src/main/java/org/qortal/controller/tradebot/LitecoinACCTv1TradeBot.java

@@ -380,7 +380,16 @@ public class LitecoinACCTv1TradeBot implements AcctTradeBot {
 			// Attempt to fetch AT data
 			atData = repository.getATRepository().fromATAddress(tradeBotData.getAtAddress());
 			if (atData == null) {
-				LOGGER.warn(() -> String.format("Unable to fetch trade AT %s from repository", tradeBotData.getAtAddress()));
+				LOGGER.debug(() -> String.format("Unable to fetch trade AT %s from repository", tradeBotData.getAtAddress()));
+
+				// If it has been over 24 hours since we last updated this trade-bot entry then assume AT is never coming back
+				// and so wipe the trade-bot entry
+				if (tradeBotData.getTimestamp() + MAX_AT_CONFIRMATION_PERIOD > NTP.getTime()) {
+					LOGGER.info(() -> String.format("AT %s has been gone for too long - deleting trade-bot entry", tradeBotData.getAtAddress()));
+					repository.getCrossChainRepository().delete(tradeBotData.getTradePrivateKey());
+					repository.saveChanges();
+				}
+
 				return;
 			}