Add state recalc feature to peer start

Author: mikera

convex-cli/src/main/java/convex/cli/peer/PeerStart.java

@@ -72,6 +72,9 @@ public class PeerStart extends APeerCommand {
 	@Option(names = { "--norest" }, description = "Disable REST srever.")
 	private boolean norest;
 
+	@Option(names = { "--recalc" }, description = "Recalculate state from the specified block position onwards.")
+	private Integer recalc;
+	
 	@Option(names = { "--genesis" }, 
 			defaultValue = "${env:CONVEX_GENESIS_SEED}",
 			description = "Governance seed for network genesis. For testing use only.")
@@ -172,6 +175,8 @@ public void execute() throws InterruptedException {
 				config.put(Keywords.SOURCE, remoteSource);
 				config.put(Keywords.URL, url);
 				config.put(Keywords.PORT, port);
+				if (recalc!=null) config.put(Keywords.RECALC, recalc);
+
 				config.put(Keywords.BASE_URL, baseURL);
 				if (genesisKey!=null) {
 					if (remoteSource!=null) {

convex-peer/src/main/java/convex/peer/Server.java

@@ -357,9 +357,13 @@ public synchronized void launch() throws LaunchException, InterruptedException {
 
 			HashMap<Keyword, Object> config = getConfig();
 
+			
 			if (config.containsKey(Keywords.RECALC)) try {
-				Long pos=Utils.toLong(config.get(Keywords.RECALC));
-				executor.recalcState(pos);
+				Object o=config.get(Keywords.RECALC);
+				if (o!=null) {
+					Long pos=Utils.toLong(o);
+					executor.recalcState(pos);
+				}
 			} catch (Exception e) {
 				throw new LaunchException("Launch failed to recalculate state: "+e,e);
 			}