Implement client

anticluster.js

@@ -228,6 +228,7 @@ class AntiCluster
             throw new Error('BUG: no max term during resync');
         }
         with_max = with_max.filter(w => w != this.cfg.node_id);
+        console.log('Local term '+this.antietcd.stored_term+', max follower term '+max_term+' at nodes '+with_max.join(', '));
         // Merge databases of all nodes with maximum term
         // Force other nodes to replicate the merged DB, throwing away their own states
         for (let i = 0; i < with_max.length; i++)

antipersistence.js

@@ -28,7 +28,7 @@ class AntiPersistence
             this.loading = true;
             this.antietcd.etctree.load(data);
             this.loading = false;
-            this.antietcd.stored_term = data['term'];
+            this.antietcd.stored_term = data['term'] || 0;
         }
         else if (err.code != 'ENOENT')
         {

etctree.js

@@ -292,7 +292,7 @@ class EtcTree
         {
             for (const k in cur_old.children)
             {
-                if (!cur_new.children[k])
+                if (!cur_new.children || !cur_new.children[k])
                 {
                     // Delete subtree
                     this._delete_all(