hotfix: Do not shutdown on unhandled exceptions

Uncommenting 'getRawBlock' logging

lib/scaffold/start.js

@@ -212,12 +212,13 @@ function exitHandler(options, _process, node, err) {
     if(err.stack) {
       log.error(err.stack);
     }
-    node.stop(function(err) {
-      if(err) {
-        log.error('Failed to stop services: ' + err);
-      }
-      _process.exit(-1);
-    });
+    if(options.exit)
+      node.stop(function(err) {
+        if(err) {
+          log.error('Failed to stop services: ' + err);
+        }
+        _process.exit(-1);
+      });
   }
   // Handle SIGINT (Ctrl+C)
   if (options.sigint) {
@@ -229,7 +230,7 @@ function exitHandler(options, _process, node, err) {
 }
 
 function registerExitHandlers(_process, node) {
-  _process.on('uncaughtException', exitHandler.bind(null, {exit:true}, _process, node));
+  _process.on('uncaughtException', exitHandler.bind(null, {exit:false}, _process, node));
   _process.on('SIGINT', exitHandler.bind(null, {sigint:true}, _process, node));
 }
 

lib/services/block/index.js

@@ -181,10 +181,23 @@ BlockService.prototype.getRawBlock = function(hash, callback) {
     if(err) {
       return callback(err);
     }
-    if (!block) {
+    try{
+      if(!block){
+        return callback();
+      }
+      let block_raw = block.toRaw();
+      if(typeof block_raw == "undefined" || !block_raw){
+        return callback();
+      }
+      let block_raw_str_hex = block_raw.toString('hex');
+      if(typeof block_raw_str_hex == "undefined" || block_raw_str_hex == ''){
+        return callback();
+      }
+      log.info("Testing getRawBlock " + block_raw_str_hex);
+      callback(null, block_raw_str_hex);
+    } catch(e){
       return callback();
     }
-    callback(null, block.toRaw().toString('hex'));
   });
 };