Added "maxDataPeerConnectionTime" setting (default 2 mins).

This is used to force a quick disconnect for peers that are only connecting for the purposes of requesting data for a specific arbitrary transaction signature.

src/main/java/org/qortal/settings/Settings.java

@@ -209,6 +209,8 @@ public class Settings {
 	private int minPeerConnectionTime = 5 * 60; // seconds
 	/** Maximum time (in seconds) that we should attempt to remain connected to a peer for */
 	private int maxPeerConnectionTime = 60 * 60; // seconds
+	/** Maximum time (in seconds) that a peer should remain connected when requesting QDN data */
+	private int maxDataPeerConnectionTime = 2 * 60; // seconds
 
 	/** Whether to sync multiple blocks at once in normal operation */
 	private boolean fastSyncEnabled = true;
@@ -670,6 +672,10 @@ public class Settings {
 
 	public int getMaxPeerConnectionTime() { return this.maxPeerConnectionTime; }
 
+	public int getMaxDataPeerConnectionTime() {
+		return this.maxDataPeerConnectionTime;
+	}
+
 	public String getBlockchainConfig() {
 		return this.blockchainConfig;
 	}