From 67e02cb498bd878ae302a63bcaff35840dc07035 Mon Sep 17 00:00:00 2001
From: "admin@arionum.com" <admin@arionum.com>
Date: Wed, 18 Sep 2019 05:23:25 +0300
Subject: [PATCH 1/3] peer blacklist fix

---
 sanity.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sanity.php b/sanity.php
index 2a033bf..6bd291d 100755
--- a/sanity.php
+++ b/sanity.php
@@ -822,7 +822,7 @@ if ($_config['masternode']==true&&!empty($_config['masternode_public_key'])&&!em
         if ($f) {
             $res=json_decode($f, true);
             $res=$res['data'];
-            if ($res['height']<$current['height']-360) {
+            if ($res['height']<$current['height']-360) { 
                 $blacklist=1;
             }
             echo "Masternode Height: ".$res['height']."\n";
@@ -878,4 +878,4 @@ if ($_config['masternode']==true&&!empty($_config['masternode_public_key'])&&!em
 
 _log("Finishing sanity");
 
-@unlink(SANITY_LOCK_PATH);
+@unlink(SANITY_LOCK_PATH);
\ No newline at end of file

From 8adab781a1fd71f70601700f4c9521b5cd2384d4 Mon Sep 17 00:00:00 2001
From: "admin@arionum.com" <admin@arionum.com>
Date: Wed, 18 Sep 2019 05:59:40 +0300
Subject: [PATCH 2/3] single new peer per sanity

---
 sanity.php | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/sanity.php b/sanity.php
index 6bd291d..9d0c79d 100755
--- a/sanity.php
+++ b/sanity.php
@@ -374,6 +374,8 @@ foreach ($r as $x) {
                 if ($test !== false) {
                     $total_peers++;
                     echo "Peered with: $peer[hostname]\n";
+                    // a single new peer per sanity
+                    $_config['get_more_peers']==false;
                 }
             }
         }
@@ -382,6 +384,13 @@ foreach ($r as $x) {
     // get the current block and check it's blockchain
     $data = peer_post($url."currentBlock", [], 5);
     if ($data === false) {
+            _log("Peer $x[hostname] unresponsive");
+            // if the peer is unresponsive, mark it as failed and blacklist it for a while
+            $db->run(
+                "UPDATE peers SET fails=fails+1, blacklisted=UNIX_TIMESTAMP()+((fails+1)*3600) WHERE id=:id",
+                [":id" => $x['id']]
+            );
+         
         continue;
     }
     // peer was responsive, mark it as good
@@ -484,14 +493,14 @@ if ($current['height'] < $largest_height && $largest_height > 1) {
             //if we're not on the same blockchain and also it's not the most common, verify all the blocks on on this blockchain starting at current-30 until current
             $invalid = false;
             $last_good = $current['height'];
-            for ($i = $current['height'] - 30; $i < $current['height']; $i++) {
+            for ($i = $current['height'] - 100; $i < $current['height']; $i++) {
                 $data = peer_post($url."getBlock", ["height" => $i]);
                 if ($data === false) {
                     $invalid = true;
                     break;
                 }
                 $ext = $block->get($i);
-                if ($i == $current['height'] - 30 && $ext['id'] != $data['id']) {
+                if ($i == $current['height'] - 100 && $ext['id'] != $data['id']) {
                     $invalid = true;
                     break;
                 }
@@ -617,7 +626,7 @@ if ($current['height'] < $largest_height && $largest_height > 1) {
                     $to_remove=intval($argv[2]);
                 }
                 _log("Removing $to_remove blocks, the blockchain is stale.");
-                $block->pop(to_remove);
+                $block->pop($to_remove);
                 $resyncing=true;
             } elseif ($current['date']<time()-(3600*24)) {
                 _log("Removing 200 blocks, the blockchain is stale.");

From 67748de103cd6efe092ee0d1708a15adea8aa389 Mon Sep 17 00:00:00 2001
From: "admin@arionum.com" <admin@arionum.com>
Date: Wed, 18 Sep 2019 06:22:11 +0300
Subject: [PATCH 3/3] default setting recheck blocks

---
 include/config-sample.inc.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/config-sample.inc.php b/include/config-sample.inc.php
index f1d862d..37fd1c0 100755
--- a/include/config-sample.inc.php
+++ b/include/config-sample.inc.php
@@ -114,7 +114,7 @@ $_config['use_official_blacklist'] = true;
 */
 
 // Recheck the last blocks on sanity
-$_config['sanity_recheck_blocks'] = 10;
+$_config['sanity_recheck_blocks'] = 30;
 
 // The interval to run the sanity in seconds
 $_config['sanity_interval'] = 900;