diff --git a/peer.php b/peer.php
index 2b2f6a9..56fd8ca 100755
--- a/peer.php
+++ b/peer.php
@@ -1,228 +1,260 @@
-<?php
-/* 
-The MIT License (MIT)
-Copyright (c) 2018 AroDev 
-
-www.arionum.com
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
-OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-require_once("include/init.inc.php");
-$trx = new Transaction;
-$block=new Block;
-$q=$_GET['q'];
-// the data is sent as json, in $_POST['data']
-if(!empty($_POST['data'])){
-    $data=json_decode(trim($_POST['data']),true);  
-}
-
-// make sure it's the same coin and not testnet
-if($_POST['coin']!=$_config['coin']) api_err("Invalid coin");
-$ip=san_ip($_SERVER['REMOTE_ADDR']);
-$ip=filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE);
-
-// peer with the current node
-if($q=="peer"){
-    // sanitize the hostname
-    $hostname = filter_var($data['hostname'], FILTER_SANITIZE_URL);
-    
-    if (!filter_var($hostname, FILTER_VALIDATE_URL)) api_err("invalid-hostname");
-    $hostname=san_host($hostname);   
-    // if it's already peered, only repeer on request
-    $res=$db->single("SELECT COUNT(1) FROM peers WHERE hostname=:hostname AND ip=:ip",array(":hostname"=>$hostname,":ip"=>$ip));
-    if($res==1){
-         if($data['repeer']==1){
-            $res=peer_post($hostname."/peer.php?q=peer",array("hostname"=>$_config['hostname']));
-            if($res!==false) api_echo("re-peer-ok");
-            else api_err("re-peer failed - $result");
-         }
-         api_echo("peer-ok-already");
-    }
-    // if we have enough peers, add it to DB as reserve
-    $res=$db->single("SELECT COUNT(1) FROM peers WHERE blacklisted<UNIX_TIMESTAMP() AND ping >UNIX_TIMESTAMP()-86400 AND reserve=0");
-    $reserve=1;
-    if($res<$_config['max_peers']) $reserve=0;
-    $db->run("INSERT ignore INTO peers SET hostname=:hostname, reserve=:reserve, ping=UNIX_TIMESTAMP(), ip=:ip ON DUPLICATE KEY UPDATE hostname=:hostname2",array(":ip"=>$ip, ":hostname2"=>$hostname,":hostname"=>$hostname, ":reserve"=>$reserve));
-    // re-peer to make sure the peer is valid
-    $res=peer_post($hostname."/peer.php?q=peer",array("hostname"=>$_config['hostname']));
-    if($res!==false) api_echo("re-peer-ok");
-    else{ 
-        $db->run("DELETE FROM peers WHERE ip=:ip",array(":ip"=>$ip));
-        api_err("re-peer failed - $result");
-    }
-}
-elseif($q=="ping"){
-    // confirm peer is active
-    api_echo("pong");
-} elseif($q=="submitTransaction"){
-    // receive a new transaction from a peer
-    $current=$block->current();
-
-
-    // no transactions accepted if the sanity is syncing
-    if($_config['sanity_sync']==1) api_err("sanity-sync");
-    
-    $data['id']=san($data['id']);
-    // validate transaction data
-    if(!$trx->check($data)) api_err("Invalid transaction");
-    $hash=$data['id']; 
-    // make sure it's not already in mempool 
-    $res=$db->single("SELECT COUNT(1) FROM mempool WHERE id=:id",array(":id"=>$hash));
-    if($res!=0) api_err("The transaction is already in mempool");
-    // make sure the peer is not flooding us with transactions
-    $res=$db->single("SELECT COUNT(1) FROM mempool WHERE src=:src",array(":src"=>$data['src']));
-    if($res>25) api_err("Too many transactions from this address in mempool. Please rebroadcast later.");
-    $res=$db->single("SELECT COUNT(1) FROM mempool WHERE peer=:peer",array(":peer"=>$ip));
-    if($res>$_config['peer_max_mempool']) api_error("Too many transactions broadcasted from this peer");
-    
-    
-    // make sure the transaction is not already on the blockchain
-    $res=$db->single("SELECT COUNT(1) FROM transactions WHERE id=:id",array(":id"=>$hash));
-    if($res!=0) api_err("The transaction is already in a block");
-    $acc=new Account;
-    $src=$acc->get_address($data['public_key']);
-    // make sure the sender has enough balance
-    $balance=$db->single("SELECT balance FROM accounts WHERE id=:id",array(":id"=>$src));
-    if($balance<$val+$fee) api_err("Not enough funds");
-    
-    // make sure the sender has enough pending balance
-    $memspent=$db->single("SELECT SUM(val+fee) FROM mempool WHERE src=:src",array(":src"=>$src));
-    if($balance-$memspent<$val+$fee) api_err("Not enough funds (mempool)");
-
-    // add to mempool
-    $trx->add_mempool($data, $ip);
-   
-    // rebroadcast the transaction to some peers unless the transaction is smaller than the average size of transactions in mempool - protect against garbage data flooding
-    $res=$db->row("SELECT COUNT(1) as c, sum(val) as v FROM  mempool ",array(":src"=>$data['src']));
-    if($res['c']<$_config['max_mempool_rebroadcast']&&$res['v']/$res['c']<$data['val']) system("php propagate.php transaction '$data[id]'  > /dev/null 2>&1  &");
-    api_echo("transaction-ok");
-}
-elseif($q=="submitBlock"){
-    // receive a  new block from a peer
-    
-    // if sanity sync, refuse all
-    if($_config['sanity_sync']==1){ _log('['.$ip."] Block rejected due to sanity sync"); api_err("sanity-sync"); }
-    $data['id']=san($data['id']);
-    $current=$block->current();
-    // block already in the blockchain
-    if($current['id']==$data['id']) api_echo("block-ok");
-    if($data['date']>time()+30) api_err("block in the future");
-
-    if($current['height']==$data['height']&&$current['id']!=$data['id']){
-        // different forks, same height
-        $accept_new=false;
-        if($current['transactions']<$data['transactions']){
-    	    // accept the one with most transactions
-            $accept_new=true;
-        } elseif($current['transactions']==$data['transactions']) {
-            // convert the first 12 characters from hex to decimal and the block with the largest number wins
-            $no1=hexdec(substr(coin2hex($current['id']),0,12));
-            $no2=hexdec(substr(coin2hex($data['id']),0,12));
-            if(gmp_cmp($no1,$no2)==1){
-                $accept_new=true;
-            }
-        }
-        if($accept_new){
-	    // if the new block is accepted, run a microsanity to sync it
-	    _log('['.$ip."] Starting microsanity - $data[height]"); 
-            system("php sanity.php microsanity '$ip'  > /dev/null 2>&1  &");
-            api_echo("microsanity");
-	
-        } else {
-		 _log('['.$ip."] suggesting reverse-microsanity - $data[height]"); 
-		 api_echo("reverse-microsanity"); // if it's not, suggest to the peer to get the block from us
-	}
-    }
-    // if it's not the next block
-    if($current['height']!=$data['height']-1) {
-	// if the height of the block submitted is lower than our current height, send them our current block
-        if($data['height']<$current['height']){ 
-		$pr=$db->row("SELECT * FROM peers WHERE ip=:ip",array(":ip"=>$ip));
-		if(!$pr) api_err("block-too-old");
-		$peer_host=base58_encode($pr['hostname']);
-		$pr['ip']=escapeshellcmd(san_ip($pr['ip']));
-		system("php propagate.php block current '$peer_host' '$pr[ip]'   > /dev/null 2>&1  &");
-		_log('['.$ip."] block too old, sending our current block - $data[height]");
-
-		api_err("block-too-old");
-	}
-	// if the block difference is bigger than 150, nothing should be done. They should sync via sanity
-        if($data['height']-$current['height']>150) { 
-		_log('['.$ip."] block-out-of-sync - $data[height]");  
-		api_err("block-out-of-sync"); 
-	}
-	// request them to send us a microsync with the latest blocks
-	_log('['.$ip."] requesting microsync - $current[height] - $data[height]");
-        api_echo(array("request"=>"microsync","height"=>$current['height'], "block"=>$current['id']));
-        
-    }
-    // check block data
-    if(!$block->check($data)){
-	_log('['.$ip."] invalid block - $data[height]");
-	 api_err("invalid-block"); 
-    }
-    $b=$data;
-    // add the block to the blockchain
-    $res=$block->add($b['height'], $b['public_key'], $b['nonce'], $b['data'], $b['date'], $b['signature'], $b['difficulty'], $b['reward_signature'], $b['argon']);	
-   
-    if(!$res) {
-	_log('['.$ip."] invalid block data - $data[height]");
-	api_err("invalid-block-data"); 
-    }
-
-    _log('['.$ip."] block ok, repropagating - $data[height]");
-
-    // send it to all our peers
-    system("php propagate.php block '$data[id]' all all linear > /dev/null 2>&1  &");
-    api_echo("block-ok");
-}
-// return the current block, used in syncing
-elseif($q=="currentBlock"){
-   $current=$block->current();
-    api_echo($current);
-}
-// return a specific block, used in syncing
-elseif($q=="getBlock"){
-    $height=intval($data['height']);
-    
-    $export=$block->export("",$height);
-    if(!$export) api_err("invalid-block");
-     api_echo($export);
- }
- elseif($q=="getBlocks"){
-// returns X block starting at height,  used in syncing
-
-    $height=intval($data['height']);
-    
-    $r=$db->run("SELECT id,height FROM blocks WHERE height>=:height ORDER by height ASC LIMIT 100",array(":height"=>$height));
-    foreach($r as $x){
-        $blocks[$x['height']]=$block->export($x['id']);
-    }
-    api_echo($blocks);
-
- }
- // returns a full list of unblacklisted peers in a random order
- elseif($q=="getPeers"){
-    $peers=$db->run("SELECT ip,hostname FROM peers WHERE blacklisted<UNIX_TIMESTAMP() ORDER by RAND()");
-    api_echo($peers);
- } else {
-     api_err("Invalid request");
- }
- 
-?>
+<?php
+/*
+The MIT License (MIT)
+Copyright (c) 2018 AroDev
+
+www.arionum.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
+OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+require_once("include/init.inc.php");
+$trx = new Transaction();
+$block = new Block();
+$q = $_GET['q'];
+// the data is sent as json, in $_POST['data']
+if (!empty($_POST['data'])) {
+    $data = json_decode(trim($_POST['data']), true);
+}
+
+// make sure it's the same coin and not testnet
+if ($_POST['coin'] != $_config['coin']) {
+    api_err("Invalid coin");
+}
+$ip = san_ip($_SERVER['REMOTE_ADDR']);
+$ip = filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE);
+
+// peer with the current node
+if ($q == "peer") {
+    // sanitize the hostname
+    $hostname = filter_var($data['hostname'], FILTER_SANITIZE_URL);
+
+    if (!filter_var($hostname, FILTER_VALIDATE_URL)) {
+        api_err("invalid-hostname");
+    }
+    $hostname = san_host($hostname);
+    // if it's already peered, only repeer on request
+    $res = $db->single("SELECT COUNT(1) FROM peers WHERE hostname=:hostname AND ip=:ip",
+        [":hostname" => $hostname, ":ip" => $ip]);
+    if ($res == 1) {
+        if ($data['repeer'] == 1) {
+            $res = peer_post($hostname."/peer.php?q=peer", ["hostname" => $_config['hostname']]);
+            if ($res !== false) {
+                api_echo("re-peer-ok");
+            } else {
+                api_err("re-peer failed - $result");
+            }
+        }
+        api_echo("peer-ok-already");
+    }
+    // if we have enough peers, add it to DB as reserve
+    $res = $db->single("SELECT COUNT(1) FROM peers WHERE blacklisted<UNIX_TIMESTAMP() AND ping >UNIX_TIMESTAMP()-86400 AND reserve=0");
+    $reserve = 1;
+    if ($res < $_config['max_peers']) {
+        $reserve = 0;
+    }
+    $db->run("INSERT ignore INTO peers SET hostname=:hostname, reserve=:reserve, ping=UNIX_TIMESTAMP(), ip=:ip ON DUPLICATE KEY UPDATE hostname=:hostname2",
+        [":ip" => $ip, ":hostname2" => $hostname, ":hostname" => $hostname, ":reserve" => $reserve]);
+    // re-peer to make sure the peer is valid
+    $res = peer_post($hostname."/peer.php?q=peer", ["hostname" => $_config['hostname']]);
+    if ($res !== false) {
+        api_echo("re-peer-ok");
+    } else {
+        $db->run("DELETE FROM peers WHERE ip=:ip", [":ip" => $ip]);
+        api_err("re-peer failed - $result");
+    }
+} elseif ($q == "ping") {
+    // confirm peer is active
+    api_echo("pong");
+} elseif ($q == "submitTransaction") {
+    // receive a new transaction from a peer
+    $current = $block->current();
+
+
+    // no transactions accepted if the sanity is syncing
+    if ($_config['sanity_sync'] == 1) {
+        api_err("sanity-sync");
+    }
+
+    $data['id'] = san($data['id']);
+    // validate transaction data
+    if (!$trx->check($data)) {
+        api_err("Invalid transaction");
+    }
+    $hash = $data['id'];
+    // make sure it's not already in mempool
+    $res = $db->single("SELECT COUNT(1) FROM mempool WHERE id=:id", [":id" => $hash]);
+    if ($res != 0) {
+        api_err("The transaction is already in mempool");
+    }
+    // make sure the peer is not flooding us with transactions
+    $res = $db->single("SELECT COUNT(1) FROM mempool WHERE src=:src", [":src" => $data['src']]);
+    if ($res > 25) {
+        api_err("Too many transactions from this address in mempool. Please rebroadcast later.");
+    }
+    $res = $db->single("SELECT COUNT(1) FROM mempool WHERE peer=:peer", [":peer" => $ip]);
+    if ($res > $_config['peer_max_mempool']) {
+        api_error("Too many transactions broadcasted from this peer");
+    }
+
+
+    // make sure the transaction is not already on the blockchain
+    $res = $db->single("SELECT COUNT(1) FROM transactions WHERE id=:id", [":id" => $hash]);
+    if ($res != 0) {
+        api_err("The transaction is already in a block");
+    }
+    $acc = new Account;
+    $src = $acc->get_address($data['public_key']);
+    // make sure the sender has enough balance
+    $balance = $db->single("SELECT balance FROM accounts WHERE id=:id", [":id" => $src]);
+    if ($balance < $val + $fee) {
+        api_err("Not enough funds");
+    }
+
+    // make sure the sender has enough pending balance
+    $memspent = $db->single("SELECT SUM(val+fee) FROM mempool WHERE src=:src", [":src" => $src]);
+    if ($balance - $memspent < $val + $fee) {
+        api_err("Not enough funds (mempool)");
+    }
+
+    // add to mempool
+    $trx->add_mempool($data, $ip);
+
+    // rebroadcast the transaction to some peers unless the transaction is smaller than the average size of transactions in mempool - protect against garbage data flooding
+    $res = $db->row("SELECT COUNT(1) as c, sum(val) as v FROM  mempool ", [":src" => $data['src']]);
+    if ($res['c'] < $_config['max_mempool_rebroadcast'] && $res['v'] / $res['c'] < $data['val']) {
+        system("php propagate.php transaction '$data[id]'  > /dev/null 2>&1  &");
+    }
+    api_echo("transaction-ok");
+} elseif ($q == "submitBlock") {
+    // receive a  new block from a peer
+
+    // if sanity sync, refuse all
+    if ($_config['sanity_sync'] == 1) {
+        _log('['.$ip."] Block rejected due to sanity sync");
+        api_err("sanity-sync");
+    }
+    $data['id'] = san($data['id']);
+    $current = $block->current();
+    // block already in the blockchain
+    if ($current['id'] == $data['id']) {
+        api_echo("block-ok");
+    }
+    if ($data['date'] > time() + 30) {
+        api_err("block in the future");
+    }
+
+    if ($current['height'] == $data['height'] && $current['id'] != $data['id']) {
+        // different forks, same height
+        $accept_new = false;
+        if ($current['transactions'] < $data['transactions']) {
+            // accept the one with most transactions
+            $accept_new = true;
+        } elseif ($current['transactions'] == $data['transactions']) {
+            // convert the first 12 characters from hex to decimal and the block with the largest number wins
+            $no1 = hexdec(substr(coin2hex($current['id']), 0, 12));
+            $no2 = hexdec(substr(coin2hex($data['id']), 0, 12));
+            if (gmp_cmp($no1, $no2) == 1) {
+                $accept_new = true;
+            }
+        }
+        if ($accept_new) {
+            // if the new block is accepted, run a microsanity to sync it
+            _log('['.$ip."] Starting microsanity - $data[height]");
+            system("php sanity.php microsanity '$ip'  > /dev/null 2>&1  &");
+            api_echo("microsanity");
+        } else {
+            _log('['.$ip."] suggesting reverse-microsanity - $data[height]");
+            api_echo("reverse-microsanity"); // if it's not, suggest to the peer to get the block from us
+        }
+    }
+    // if it's not the next block
+    if ($current['height'] != $data['height'] - 1) {
+        // if the height of the block submitted is lower than our current height, send them our current block
+        if ($data['height'] < $current['height']) {
+            $pr = $db->row("SELECT * FROM peers WHERE ip=:ip", [":ip" => $ip]);
+            if (!$pr) {
+                api_err("block-too-old");
+            }
+            $peer_host = base58_encode($pr['hostname']);
+            $pr['ip'] = escapeshellcmd(san_ip($pr['ip']));
+            system("php propagate.php block current '$peer_host' '$pr[ip]'   > /dev/null 2>&1  &");
+            _log('['.$ip."] block too old, sending our current block - $data[height]");
+
+            api_err("block-too-old");
+        }
+        // if the block difference is bigger than 150, nothing should be done. They should sync via sanity
+        if ($data['height'] - $current['height'] > 150) {
+            _log('['.$ip."] block-out-of-sync - $data[height]");
+            api_err("block-out-of-sync");
+        }
+        // request them to send us a microsync with the latest blocks
+        _log('['.$ip."] requesting microsync - $current[height] - $data[height]");
+        api_echo(["request" => "microsync", "height" => $current['height'], "block" => $current['id']]);
+    }
+    // check block data
+    if (!$block->check($data)) {
+        _log('['.$ip."] invalid block - $data[height]");
+        api_err("invalid-block");
+    }
+    $b = $data;
+    // add the block to the blockchain
+    $res = $block->add($b['height'], $b['public_key'], $b['nonce'], $b['data'], $b['date'], $b['signature'],
+        $b['difficulty'], $b['reward_signature'], $b['argon']);
+
+    if (!$res) {
+        _log('['.$ip."] invalid block data - $data[height]");
+        api_err("invalid-block-data");
+    }
+
+    _log('['.$ip."] block ok, repropagating - $data[height]");
+
+    // send it to all our peers
+    system("php propagate.php block '$data[id]' all all linear > /dev/null 2>&1  &");
+    api_echo("block-ok");
+} // return the current block, used in syncing
+elseif ($q == "currentBlock") {
+    $current = $block->current();
+    api_echo($current);
+} // return a specific block, used in syncing
+elseif ($q == "getBlock") {
+    $height = intval($data['height']);
+
+    $export = $block->export("", $height);
+    if (!$export) {
+        api_err("invalid-block");
+    }
+    api_echo($export);
+} elseif ($q == "getBlocks") {
+// returns X block starting at height,  used in syncing
+
+    $height = intval($data['height']);
+
+    $r = $db->run("SELECT id,height FROM blocks WHERE height>=:height ORDER by height ASC LIMIT 100",
+        [":height" => $height]);
+    foreach ($r as $x) {
+        $blocks[$x['height']] = $block->export($x['id']);
+    }
+    api_echo($blocks);
+} // returns a full list of unblacklisted peers in a random order
+elseif ($q == "getPeers") {
+    $peers = $db->run("SELECT ip,hostname FROM peers WHERE blacklisted<UNIX_TIMESTAMP() ORDER by RAND()");
+    api_echo($peers);
+} else {
+    api_err("Invalid request");
+}