Initial commit
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Arionum
354
sanity.php
Executable file
354
sanity.php
Executable file
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<?php
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/*
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The MIT License (MIT)
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Copyright (c) 2018 AroDev
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www.arionum.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
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OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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set_time_limit(0);
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if(php_sapi_name() !== 'cli') die("This should only be run as cli");
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if(file_exists("tmp/sanity-lock")){
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$pid_time=filemtime("tmp/sanity-lock");
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if(time()-$pid_time>3600){
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@unlink("tmp/sanity-lock");
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}
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die("Sanity lock in place");
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}
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$lock = fopen("tmp/sanity-lock", "w");
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fclose($lock);
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$arg=trim($argv[1]);
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$arg2=trim($argv[2]);
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if($arg!="microsanity") sleep(10);
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require_once("include/init.inc.php");
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if($_config['dbversion']<2){
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die("DB schema not created");
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@unlink("tmp/sanity-lock");
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exit;
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}
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$block=new Block();
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$acc=new Account();
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$current=$block->current();
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$microsanity=false;
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if($arg=="microsanity"&&!empty($arg2)){
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do {
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$x=$db->row("SELECT id,hostname FROM peers WHERE reserve=0 AND blacklisted<UNIX_TIMESTAMP() AND ip=:ip",array(":ip"=>$arg2));
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if(!$x){ echo "Invalid node - $arg2\n"; break; }
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$url=$x['hostname']."/peer.php?q=";
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$data=peer_post($url."getBlock",array("height"=>$current['height']));
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if(!$data) {echo "Invalid getBlock result\n"; break; }
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if($data['id']==$current['id']) {echo "Same block\n"; break;}
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if($current['transactions']>$data['transactions']){
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echo "Block has less transactions\n";
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break;
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} elseif($current['transactions']==$data['transactions']) {
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$no1=hexdec(substr(coin2hex($current['id']),0,12));
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$no2=hexdec(substr(coin2hex($data['id']),0,12));
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if(gmp_cmp($no1,$no2)!=-1){
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echo "Block hex larger than current\n";
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break;
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}
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}
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$prev = $block->get($current['height']-1);
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$public=$acc->public_key($data['generator']);
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if(!$block->mine($public, $data['nonce'],$data['argon'],$block->difficulty($current['height']-1),$prev['id'])) { echo "Invalid prev-block\n"; break;}
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$block->pop(1);
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if(!$block->check($data)) break;
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echo "Starting to sync last block from $x[hostname]\n";
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$b=$data;
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$res=$block->add($b['height'], $b['public_key'], $b['nonce'], $b['data'], $b['date'], $b['signature'], $b['difficulty'], $b['reward_signature'], $b['argon']);
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if(!$res) {
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_log("Block add: could not add block - $b[id] - $b[height]");
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break;
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}
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_log("Synced block from $host - $b[height] $b[difficulty]");
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} while(0);
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@unlink("tmp/sanity-lock");
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exit;
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}
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$t=time();
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//if($t-$_config['sanity_last']<300) {@unlink("tmp/sanity-lock"); die("The sanity cron was already run recently"); }
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$db->run("UPDATE config SET val=:time WHERE cfg='sanity_last'",array(":time"=>$t));
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$block_peers=array();
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$longest_size=0;
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$longest=0;
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$blocks=array();
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$blocks_count=array();
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$most_common="";
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$most_common_size=0;
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// checking peers
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$db->run("DELETE from peers WHERE fails>50");
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$r=$db->run("SELECT id,hostname FROM peers WHERE reserve=0 AND blacklisted<UNIX_TIMESTAMP()");
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$total_peers=count($r);
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if($total_peers==0){
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$i=0;
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echo "No peers found. Attempting to get peers from arionum.com\n";
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$f=file("https://www.arionum.com/peers.txt");
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shuffle($f);
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if(count($f)<2) die("Could nto connect to arionum.com! Will try later!\n");
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foreach($f as $peer){
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$peer=trim($peer);
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$res=peer_post($peer."/peer.php?q=peer",array("hostname"=>$_config['hostname']));
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if($res!==false) {$i++; echo "Peering OK - $peer\n"; }
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else echo "Peering FAIL - $peer\n";
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if($i>$_config['max_peers']) break;
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}
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$r=$db->run("SELECT id,hostname FROM peers WHERE reserve=0 AND blacklisted<UNIX_TIMESTAMP()");
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$total_peers=count($r);
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if($total_peers==0) die("Could not peer to any peers! Please check internet connectivity!\n");
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}
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foreach($r as $x){
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$url=$x['hostname']."/peer.php?q=";
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$data=peer_post($url."getPeers");
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if($data===false) {
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$db->run("UPDATE peers SET fails=fails+1, blacklisted=UNIX_TIMESTAMP()+((fails+1)*3600) WHERE id=:id",array(":id"=>$x['id']));
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continue;
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}
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$i=0;
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foreach($data as $peer){
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if($peer['hostname']==$_config['hostname']) continue;
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if (!filter_var($peer['hostname'], FILTER_VALIDATE_URL)) continue;
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if(!$db->single("SELECT COUNT(1) FROM peers WHERE ip=:ip or hostname=:hostname",array(":ip"=>$peer['ip'],":hostname"=>$peer['hostname']))){
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$i++;
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if($i>$_config['max_test_peers']) break;
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$test=peer_post($peer['hostname']."/peer.php?q=peer",array("hostname"=>$_config['hostname']));
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if($test!==false){
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$total_peers++;
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echo "Peered with: $peer[hostname]\n";
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}
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}
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}
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$data=peer_post($url."currentBlock");
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if($data===false) continue;
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$db->run("UPDATE peers SET fails=0 WHERE id=:id",array(":id"=>$x['id']));
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$block_peers[$data['id']][]=$x['hostname'];
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$blocks_count[$data['id']]++;
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$blocks[$data['id']]=$data;
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if($blocks_count[$data['id']]>$most_common_size){
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$most_common=$data['id'];
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$most_common_size=$blocks_count[$data['id']];
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}
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if($data['height']>$largest_height){
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$largest_height=$data['height'];
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$largest_height_block=$data['id'];
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} elseif($data['height']==$largestblock&&$data['id']!=$largest_height_block){
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if($data['difficulty']==$blocks[$largest_height_block]['difficulty']){
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if($most_common==$data['id']){
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$largest_height=$data['height'];
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$largest_height_block=$data['id'];
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} else {
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if($blocks[$largest_height_block]['transactions']<$data['transactions']){
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$largest_height=$data['height'];
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$largest_height_block=$data['id'];
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} elseif($blocks[$largest_height_block]['transactions']==$data['transactions']) {
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$no1=hexdec(substr(coin2hex($largest_height_block),0,12));
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$no2=hexdec(substr(coin2hex($data['id']),0,12));
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if(gmp_cmp($no1,$no2)==1){
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$largest_height=$data['height'];
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$largest_height_block=$data['id'];
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}
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}
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}
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} elseif($data['difficulty']<$blocks[$largest_height_block]['difficulty']){
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$largest_height=$data['height'];
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$largest_height_block=$data['id'];
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}
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}
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}
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echo "Most common: $most_common\n";
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echo "Most common block: $most_common_size\n";
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echo "Max height: $largest_height\n";
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echo "Current block: $current[height]\n";
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if($current['height']<$largest_height&&$largest_height>1){
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$db->run("UPDATE config SET val=1 WHERE cfg='sanity_sync'");
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sleep(10);
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_log("Longest chain rule triggered - $largest_height - $largest_height_block");
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$peers=$block_peers[$largest_height_block];
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shuffle($peers);
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foreach($peers as $host){
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_log("Starting to sync from $host");
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$url=$host."/peer.php?q=";
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$data=peer_post($url."getBlock",array("height"=>$current['height']));
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if($data===false){ _log("Could not get block from $host - $current[height]"); continue; }
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while($data['id']!=$current['id']){
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$block->delete($current['height']-10);
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$current=$block->current();
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$data=peer_post($url."getBlock",array("height"=>$current['height']));
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if($data===false){_log("Could not get block from $host - $current[height]"); break; }
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}
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if($data['id']!=$current['id']) continue;
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while($current['height']<$largest_height){
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$data=peer_post($url."getBlocks",array("height"=>$current['height']+1));
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if($data===false){_log("Could not get blocks from $host - height: $current[height]"); break; }
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$good_peer=true;
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foreach($data as $b){
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if(!$block->check($b)){
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_log("Block check: could not add block - $b[id] - $b[height]");
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$good_peer=false;
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break;
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}
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$res=$block->add($b['height'], $b['public_key'], $b['nonce'], $b['data'], $b['date'], $b['signature'], $b['difficulty'], $b['reward_signature'], $b['argon']);
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if(!$res) {
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_log("Block add: could not add block - $b[id] - $b[height]");
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$good_peer=false;
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break;
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}
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_log("Synced block from $host - $b[height] $b[difficulty]");
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}
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if(!$good_peer) break;
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$current=$block->current();
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}
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if($good_peer) break;
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}
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$db->run("UPDATE config SET val=0 WHERE cfg='sanity_sync'",array(":time"=>$t));
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}
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//rebroadcasting transactions
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$forgotten=$current['height']-$_config['sanity_rebroadcast_height'];
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$r=$db->run("SELECT id FROM mempool WHERE height<:forgotten ORDER by val DESC LIMIT 10",array(":forgotten"=>$forgotten));
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foreach($r as $x){
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system("php propagate.php transaction $x[id] &>/dev/null &");
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$db->run("UPDATE mempool SET height=:current WHERE id=:id",array(":id"=>$x['id'], ":current"=>$current['height']));
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}
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//add new peers if there aren't enough active
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if($total_peers<$_config['max_peers']*0.7){
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$res=$_config['max_peers']-$total_peers;
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$db->run("UPDATE peers SET reserve=0 WHERE reserve=1 AND blacklisted<UNIX_TIMESTAMP() LIMIT $res");
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}
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//random peer check
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$r=$db->run("SELECT * FROM peers WHERE blacklisted<UNIX_TIMESTAMP() and reserve=1 LIMIT ".$_config['max_test_peers']);
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foreach($r as $x){
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$url=$x['hostname']."/peer.php?q=";
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$data=peer_post($url."ping");
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if($data===false) $db->run("UPDATE peers SET fails=fails+1, blacklisted=UNIX_TIMESTAMP()+((fails+1)*3600) WHERE id=:id",array(":id"=>$x['id']));
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else $db->run("UPDATE peers SET fails=0 WHERE id=:id",array(":id"=>$x['id']));
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}
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//clean tmp files
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$f=scandir("tmp/");
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$time=time();
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foreach($f as $x){
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if(strlen($x)<5&&substr($x,0,1)==".") continue;
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$pid_time=filemtime("tmp/$x");
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if($time-$pid_time>7200) @unlink("tmp/$x");
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}
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//recheck blocks
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if($_config['sanity_recheck_blocks']>0){
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$blocks=array();
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$all_blocks_ok=true;
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$start=$current['height']-$_config['sanity_recheck_blocks'];
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if($start<2) $start=2;
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$r=$db->run("SELECT * FROM blocks WHERE height>=:height ORDER by height ASC",array(":height"=>$start));
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foreach($r as $x){
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$blocks[$x['height']]=$x;
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$max_height=$x['height'];
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}
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for($i=$start+1;$i<=$max_height;$i++){
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$data=$blocks[$i];
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$key=$db->single("SELECT public_key FROM accounts WHERE id=:id",array(":id"=>$data['generator']));
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if(!$block->mine($key,$data['nonce'], $data['argon'], $data['difficulty'], $blocks[$i-1]['id'])) {
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$db->run("UPDATE config SET val=1 WHERE cfg='sanity_sync'");
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_log("Invalid block detected. Deleting everything after $data[height] - $data[id]");
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sleep(10);
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$all_blocks_ok=false;
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$block->delete($i);
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$db->run("UPDATE config SET val=0 WHERE cfg='sanity_sync'");
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break;
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}
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}
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if($all_blocks_ok) echo "All checked blocks are ok\n";
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}
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@unlink("tmp/sanity-lock");
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?>
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Reference in New Issue
Block a user