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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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242
peer.php
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@@ -24,164 +24,200 @@ 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'];
$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);
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);
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($q=="peer"){
if ($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 (!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");
$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;
$db->run("INSERT ignore INTO peers SET hostname=:hostname, reserve=:reserve, ping=UNIX_TIMESTAMP(), ip=:ip ON DUPLICATE KEY UPDATE hostname=:hostname2",array(":ip"=>$ip, ":hostname2"=>$hostname,":hostname"=>$hostname, ":reserve"=>$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",array("hostname"=>$_config['hostname']));
if($res!==false) api_echo("re-peer-ok");
else{
$db->run("DELETE FROM peers WHERE ip=:ip",array(":ip"=>$ip));
$res = peer_post($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"){
} elseif ($q == "ping") {
// confirm peer is active
api_echo("pong");
} elseif($q=="submitTransaction"){
} elseif ($q == "submitTransaction") {
// receive a new transaction from a peer
$current=$block->current();
$current = $block->current();
// no transactions accepted if the sanity is syncing
if($_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
if(!$trx->check($data)) api_err("Invalid transaction");
$hash=$data['id'];
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");
$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",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");
$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",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']);
$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",array(":id"=>$src));
if($balance<$val+$fee) api_err("Not enough funds");
$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",array(":src"=>$src));
if($balance-$memspent<$val+$fee) api_err("Not enough funds (mempool)");
$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 ",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 &");
$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($q=="submitBlock"){
} elseif ($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();
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['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']){
if ($current['height'] == $data['height'] && $current['id'] != $data['id']) {
// different forks, same height
$accept_new=false;
if($current['transactions']<$data['transactions']){
$accept_new = false;
if ($current['transactions'] < $data['transactions']) {
// accept the one with most transactions
$accept_new=true;
} elseif($current['transactions']==$data['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;
$no1 = hexdec(substr(coin2hex($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 ($accept_new) {
// if the new block is accepted, run a microsanity to sync it
_log('['.$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']!=$data['height']-1) {
if ($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']));
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']-$current['height']>150) {
if ($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_echo(["request" => "microsync", "height" => $current['height'], "block" => $current['id']]);
}
// check block data
if(!$block->check($data)){
if (!$block->check($data)) {
_log('['.$ip."] invalid block - $data[height]");
api_err("invalid-block");
}
$b=$data;
$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']);
$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 - $data[height]");
api_err("invalid-block-data");
}
@@ -191,38 +227,34 @@ elseif($q=="submitBlock"){
// 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();
} // 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']);
} // 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);
$export = $block->export("", $height);
if (!$export) {
api_err("invalid-block");
}
elseif($q=="getBlocks"){
api_echo($export);
} elseif ($q == "getBlocks") {
// 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"=>$height));
foreach($r as $x){
$blocks[$x['height']]=$block->export($x['id']);
$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()");
} // 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 {
} else {
api_err("Invalid request");
}
?>
}