From 3d6fc2923b392a4d37d977a36ed8fc2c7c721758 Mon Sep 17 00:00:00 2001
From: joeuhren <joeuhren@protonmail.com>
Date: Tue, 1 Oct 2019 21:25:47 -0600
Subject: [PATCH] start from actual last known block height when updating index

---
 scripts/sync.js | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/scripts/sync.js b/scripts/sync.js
index 6b558f0..9b1d821 100644
--- a/scripts/sync.js
+++ b/scripts/sync.js
@@ -176,12 +176,21 @@ is_locked(function (exists) {
                       });
                     });
                   } else if (mode == 'update') {
-                    db.update_tx_db(settings.coin, stats.last, stats.count, settings.update_timeout, function(){
-                      db.update_richlist('received', function(){
-                        db.update_richlist('balance', function(){
-                          db.get_stats(settings.coin, function(nstats){
-                            console.log('update complete (block: %s)', nstats.last);
-                            exit();
+                    // Lookup the last block index
+                    Tx.findOne({}, {blockindex:1}).sort({blockindex:-1}).limit(1).exec(function(err, data){
+                      var nLast = stats.last;
+                      if (!err && data) {
+                        // start from the last block index
+                        nLast = data.blockindex;
+                      }
+
+                      db.update_tx_db(settings.coin, nLast, stats.count, settings.update_timeout, function(){
+                        db.update_richlist('received', function(){
+                          db.update_richlist('balance', function(){
+                            db.get_stats(settings.coin, function(nstats){
+                              console.log('update complete (block: %s)', nstats.last);
+                              exit();
+                            });
                           });
                         });
                       });