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Update peer file to PSR-2

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pxgamer
2018-05-29 15:46:52 +01:00
parent aa3459181e
commit ffd3a55144
1 changed files with 260 additions and 228 deletions
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292
peer.php
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@@ -24,166 +24,202 @@ OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
OR OTHER DEALINGS IN THE SOFTWARE. OR OTHER DEALINGS IN THE SOFTWARE.
*/ */
require_once("include/init.inc.php"); require_once("include/init.inc.php");
$trx = new Transaction; $trx = new Transaction();
$block=new Block; $block = new Block();
$q=$_GET['q']; $q = $_GET['q'];
// the data is sent as json, in $_POST['data'] // the data is sent as json, in $_POST['data']
if(!empty($_POST['data'])){ if (!empty($_POST['data'])) {
$data=json_decode(trim($_POST['data']),true); $data = json_decode(trim($_POST['data']), true);
} }
// make sure it's the same coin and not testnet // make sure it's the same coin and not testnet
if($_POST['coin']!=$_config['coin']) api_err("Invalid coin"); if ($_POST['coin'] != $_config['coin']) {
$ip=san_ip($_SERVER['REMOTE_ADDR']); api_err("Invalid coin");
$ip=filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE); }
$ip = san_ip($_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 // peer with the current node
if($q=="peer"){ if ($q == "peer") {
// sanitize the hostname // sanitize the hostname
$hostname = filter_var($data['hostname'], FILTER_SANITIZE_URL); $hostname = filter_var($data['hostname'], FILTER_SANITIZE_URL);
if (!filter_var($hostname, FILTER_VALIDATE_URL)) api_err("invalid-hostname"); if (!filter_var($hostname, FILTER_VALIDATE_URL)) {
$hostname=san_host($hostname); api_err("invalid-hostname");
}
$hostname = san_host($hostname);
// if it's already peered, only repeer on request // 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)); $res = $db->single("SELECT COUNT(1) FROM peers WHERE hostname=:hostname AND ip=:ip",
if($res==1){ [":hostname" => $hostname, ":ip" => $ip]);
if($data['repeer']==1){ if ($res == 1) {
$res=peer_post($hostname."/peer.php?q=peer",array("hostname"=>$_config['hostname'])); if ($data['repeer'] == 1) {
if($res!==false) api_echo("re-peer-ok"); $res = peer_post($hostname."/peer.php?q=peer", ["hostname" => $_config['hostname']]);
else api_err("re-peer failed - $result"); if ($res !== false) {
} api_echo("re-peer-ok");
api_echo("peer-ok-already"); } else {
api_err("re-peer failed - $result");
}
}
api_echo("peer-ok-already");
} }
// if we have enough peers, add it to DB as reserve // 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"); $res = $db->single("SELECT COUNT(1) FROM peers WHERE blacklisted<UNIX_TIMESTAMP() AND ping >UNIX_TIMESTAMP()-86400 AND reserve=0");
$reserve=1; $reserve = 1;
if($res<$_config['max_peers']) $reserve=0; if ($res < $_config['max_peers']) {
$db->run("INSERT ignore INTO peers SET hostname=:hostname, reserve=:reserve, ping=UNIX_TIMESTAMP(), ip=:ip ON DUPLICATE KEY UPDATE hostname=:hostname2",array(":ip"=>$ip, ":hostname2"=>$hostname,":hostname"=>$hostname, ":reserve"=>$reserve)); $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 // re-peer to make sure the peer is valid
$res=peer_post($hostname."/peer.php?q=peer",array("hostname"=>$_config['hostname'])); $res = peer_post($hostname."/peer.php?q=peer", ["hostname" => $_config['hostname']]);
if($res!==false) api_echo("re-peer-ok"); if ($res !== false) {
else{ api_echo("re-peer-ok");
$db->run("DELETE FROM peers WHERE ip=:ip",array(":ip"=>$ip)); } else {
$db->run("DELETE FROM peers WHERE ip=:ip", [":ip" => $ip]);
api_err("re-peer failed - $result"); api_err("re-peer failed - $result");
} }
} } elseif ($q == "ping") {
elseif($q=="ping"){
// confirm peer is active // confirm peer is active
api_echo("pong"); api_echo("pong");
} elseif($q=="submitTransaction"){ } elseif ($q == "submitTransaction") {
// receive a new transaction from a peer // receive a new transaction from a peer
$current=$block->current(); $current = $block->current();
// no transactions accepted if the sanity is syncing // no transactions accepted if the sanity is syncing
if($_config['sanity_sync']==1) api_err("sanity-sync"); if ($_config['sanity_sync'] == 1) {
api_err("sanity-sync");
}
$data['id']=san($data['id']); $data['id'] = san($data['id']);
// validate transaction data // validate transaction data
if(!$trx->check($data)) api_err("Invalid transaction"); if (!$trx->check($data)) {
$hash=$data['id']; api_err("Invalid transaction");
}
$hash = $data['id'];
// make sure it's not already in mempool // make sure it's not already in mempool
$res=$db->single("SELECT COUNT(1) FROM mempool WHERE id=:id",array(":id"=>$hash)); $res = $db->single("SELECT COUNT(1) FROM mempool WHERE id=:id", [":id" => $hash]);
if($res!=0) api_err("The transaction is already in mempool"); if ($res != 0) {
api_err("The transaction is already in mempool");
}
// make sure the peer is not flooding us with transactions // 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'])); $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."); if ($res > 25) {
$res=$db->single("SELECT COUNT(1) FROM mempool WHERE peer=:peer",array(":peer"=>$ip)); api_err("Too many transactions from this address in mempool. Please rebroadcast later.");
if($res>$_config['peer_max_mempool']) api_error("Too many transactions broadcasted from this peer"); }
$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 // make sure the transaction is not already on the blockchain
$res=$db->single("SELECT COUNT(1) FROM transactions WHERE id=:id",array(":id"=>$hash)); $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"); if ($res != 0) {
$acc=new Account; api_err("The transaction is already in a block");
$src=$acc->get_address($data['public_key']); }
$acc = new Account;
$src = $acc->get_address($data['public_key']);
// make sure the sender has enough balance // make sure the sender has enough balance
$balance=$db->single("SELECT balance FROM accounts WHERE id=:id",array(":id"=>$src)); $balance = $db->single("SELECT balance FROM accounts WHERE id=:id", [":id" => $src]);
if($balance<$val+$fee) api_err("Not enough funds"); if ($balance < $val + $fee) {
api_err("Not enough funds");
}
// make sure the sender has enough pending balance // make sure the sender has enough pending balance
$memspent=$db->single("SELECT SUM(val+fee) FROM mempool WHERE src=:src",array(":src"=>$src)); $memspent = $db->single("SELECT SUM(val+fee) FROM mempool WHERE src=:src", [":src" => $src]);
if($balance-$memspent<$val+$fee) api_err("Not enough funds (mempool)"); if ($balance - $memspent < $val + $fee) {
api_err("Not enough funds (mempool)");
}
// add to mempool // add to mempool
$trx->add_mempool($data, $ip); $trx->add_mempool($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 // 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'])); $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 '$data[id]' > /dev/null 2>&1 &"); if ($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"); api_echo("transaction-ok");
} } elseif ($q == "submitBlock") {
elseif($q=="submitBlock"){
// receive a new block from a peer // receive a new block from a peer
// if sanity sync, refuse all // if sanity sync, refuse all
if($_config['sanity_sync']==1){ _log('['.$ip."] Block rejected due to sanity sync"); api_err("sanity-sync"); } if ($_config['sanity_sync'] == 1) {
$data['id']=san($data['id']); _log('['.$ip."] Block rejected due to sanity sync");
$current=$block->current(); api_err("sanity-sync");
}
$data['id'] = san($data['id']);
$current = $block->current();
// block already in the blockchain // block already in the blockchain
if($current['id']==$data['id']) api_echo("block-ok"); if ($current['id'] == $data['id']) {
if($data['date']>time()+30) api_err("block in the future"); api_echo("block-ok");
}
if ($data['date'] > time() + 30) {
api_err("block in the future");
}
if($current['height']==$data['height']&&$current['id']!=$data['id']){ if ($current['height'] == $data['height'] && $current['id'] != $data['id']) {
// different forks, same height // different forks, same height
$accept_new=false; $accept_new = false;
if($current['transactions']<$data['transactions']){ if ($current['transactions'] < $data['transactions']) {
// accept the one with most transactions // accept the one with most transactions
$accept_new=true; $accept_new = true;
} elseif($current['transactions']==$data['transactions']) { } elseif ($current['transactions'] == $data['transactions']) {
// convert the first 12 characters from hex to decimal and the block with the largest number wins // 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)); $no1 = hexdec(substr(coin2hex($current['id']), 0, 12));
$no2=hexdec(substr(coin2hex($data['id']),0,12)); $no2 = hexdec(substr(coin2hex($data['id']), 0, 12));
if(gmp_cmp($no1,$no2)==1){ if (gmp_cmp($no1, $no2) == 1) {
$accept_new=true; $accept_new = true;
} }
} }
if($accept_new){ if ($accept_new) {
// if the new block is accepted, run a microsanity to sync it // if the new block is accepted, run a microsanity to sync it
_log('['.$ip."] Starting microsanity - $data[height]"); _log('['.$ip."] Starting microsanity - $data[height]");
system("php sanity.php microsanity '$ip' > /dev/null 2>&1 &"); system("php sanity.php microsanity '$ip' > /dev/null 2>&1 &");
api_echo("microsanity"); api_echo("microsanity");
} else { } else {
_log('['.$ip."] suggesting reverse-microsanity - $data[height]"); _log('['.$ip."] suggesting reverse-microsanity - $data[height]");
api_echo("reverse-microsanity"); // if it's not, suggest to the peer to get the block from us api_echo("reverse-microsanity"); // if it's not, suggest to the peer to get the block from us
} }
} }
// if it's not the next block // if it's not the next block
if($current['height']!=$data['height']-1) { if ($current['height'] != $data['height'] - 1) {
// if the height of the block submitted is lower than our current height, send them our current block // if the height of the block submitted is lower than our current height, send them our current block
if($data['height']<$current['height']){ if ($data['height'] < $current['height']) {
$pr=$db->row("SELECT * FROM peers WHERE ip=:ip",array(":ip"=>$ip)); $pr = $db->row("SELECT * FROM peers WHERE ip=:ip", [":ip" => $ip]);
if(!$pr) api_err("block-too-old"); if (!$pr) {
$peer_host=base58_encode($pr['hostname']); api_err("block-too-old");
$pr['ip']=escapeshellcmd(san_ip($pr['ip'])); }
system("php propagate.php block current '$peer_host' '$pr[ip]' > /dev/null 2>&1 &"); $peer_host = base58_encode($pr['hostname']);
_log('['.$ip."] block too old, sending our current block - $data[height]"); $pr['ip'] = escapeshellcmd(san_ip($pr['ip']));
system("php propagate.php block current '$peer_host' '$pr[ip]' > /dev/null 2>&1 &");
api_err("block-too-old"); _log('['.$ip."] block too old, sending our current block - $data[height]");
}
// if the block difference is bigger than 150, nothing should be done. They should sync via sanity
if($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"=>$current['id']));
api_err("block-too-old");
}
// if the block difference is bigger than 150, nothing should be done. They should sync via sanity
if ($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" => $current['id']]);
} }
// check block data // check block data
if(!$block->check($data)){ if (!$block->check($data)) {
_log('['.$ip."] invalid block - $data[height]"); _log('['.$ip."] invalid block - $data[height]");
api_err("invalid-block"); api_err("invalid-block");
} }
$b=$data; $b = $data;
// add the block to the blockchain // 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']); $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) { if (!$res) {
_log('['.$ip."] invalid block data - $data[height]"); _log('['.$ip."] invalid block data - $data[height]");
api_err("invalid-block-data"); api_err("invalid-block-data");
} }
_log('['.$ip."] block ok, repropagating - $data[height]"); _log('['.$ip."] block ok, repropagating - $data[height]");
@@ -191,38 +227,34 @@ elseif($q=="submitBlock"){
// send it to all our peers // send it to all our peers
system("php propagate.php block '$data[id]' all all linear > /dev/null 2>&1 &"); system("php propagate.php block '$data[id]' all all linear > /dev/null 2>&1 &");
api_echo("block-ok"); api_echo("block-ok");
} } // return the current block, used in syncing
// return the current block, used in syncing elseif ($q == "currentBlock") {
elseif($q=="currentBlock"){ $current = $block->current();
$current=$block->current();
api_echo($current); api_echo($current);
} } // return a specific block, used in syncing
// return a specific block, used in syncing elseif ($q == "getBlock") {
elseif($q=="getBlock"){ $height = intval($data['height']);
$height=intval($data['height']);
$export=$block->export("",$height); $export = $block->export("", $height);
if(!$export) api_err("invalid-block"); if (!$export) {
api_echo($export); api_err("invalid-block");
} }
elseif($q=="getBlocks"){ api_echo($export);
} elseif ($q == "getBlocks") {
// returns X block starting at height, used in syncing // returns X block starting at height, used in syncing
$height=intval($data['height']); $height = intval($data['height']);
$r=$db->run("SELECT id,height FROM blocks WHERE height>=:height ORDER by height ASC LIMIT 100",array(":height"=>$height)); $r = $db->run("SELECT id,height FROM blocks WHERE height>=:height ORDER by height ASC LIMIT 100",
foreach($r as $x){ [":height" => $height]);
$blocks[$x['height']]=$block->export($x['id']); foreach ($r as $x) {
$blocks[$x['height']] = $block->export($x['id']);
} }
api_echo($blocks); api_echo($blocks);
} // returns a full list of unblacklisted peers in a random order
} elseif ($q == "getPeers") {
// returns a full list of unblacklisted peers in a random order $peers = $db->run("SELECT ip,hostname FROM peers WHERE blacklisted<UNIX_TIMESTAMP() ORDER by RAND()");
elseif($q=="getPeers"){
$peers=$db->run("SELECT ip,hostname FROM peers WHERE blacklisted<UNIX_TIMESTAMP() ORDER by RAND()");
api_echo($peers); api_echo($peers);
} else { } else {
api_err("Invalid request"); api_err("Invalid request");
} }
?>