block-explorer/src/Shell/AuxShell.php
2017-06-16 16:47:12 +01:00

222 lines
8.2 KiB
PHP

<?php
namespace App\Shell;
use Cake\Console\ConsoleOutput;
use Cake\Console\Shell;
use Cake\Datasource\ConnectionManager;
use Cake\Log\Log;
use Mdanter\Ecc\EccFactory;
class AuxShell extends Shell {
const bittrex = 'https://bittrex.com/api/v1.1/public/getticker?market=BTC-LBC';
const blockchainticker = 'https://blockchain.info/ticker';
const lbcpricekey = 'lbc.price';
const pubKeyAddress = [0, 85];
const scriptAddress = [5, 122];
const rpcurl = 'http://lrpc:lrpc@127.0.0.1:9245';
const tagrcptaddress = 'bLockNgmfvnnnZw7bM6SPz6hk5BVzhevEp';
public function initialize() {
parent::initialize();
$this->loadModel('Addresses');
$this->loadModel('Inputs');
$this->loadModel('Outputs');
$this->loadModel('Transactions');
$this->loadModel('TagAddressRequests');
}
public function main() {
echo "No arguments specified.\n";
}
public function verifytags() {
self::lock('auxverify');
$conn = ConnectionManager::get('default');
$requests = $this->TagAddressRequests->find()->where(['IsVerified <>' => 1])->toArray();
foreach ($requests as $req) {
echo "Verifying tag for $req->Address, amount: $req->VerificationAmount... ";
$req_date = $req->Created;
$src_addr = $req->Address;
$dst_addr = self::tagrcptaddress;
// find a transaction with the corresponding inputs created on or after the date
// look for the address ids
$address = $this->Addresses->find()->select(['Id'])->where(['Address' => $src_addr])->first();
$veri_address = $this->Addresses->find()->select(['Id'])->where(['Address' => $dst_addr])->first(); // TODO: Redis cache?
if (!$address || !$veri_address) {
echo "could not find source nor verification addresses. Skipping.\n";
continue;
}
$src_addr_id = $address->Id;
$dst_addr_id = $veri_address->Id;
// find the inputs for the source address that were created after $req->Created - 1 hour
$req_date->sub(new \DateInterval('PT1H'));
$stmt = $conn->execute('SELECT DISTINCT I.TransactionId FROM Inputs I ' .
'RIGHT JOIN (SELECT IIA.InputId FROM InputsAddresses IIA WHERE IIA.AddressId = ?) IA ON IA.InputId = I.Id ' .
'JOIN Transactions T ON T.Id = I.TransactionId ' .
'LEFT JOIN Blocks B ON B.Hash = T.BlockHash ' .
'WHERE B.Confirmations > 0 AND DATE(I.Created) >= ?', [$src_addr_id, $req_date->format('Y-m-d')]);
$tx_inputs = $stmt->fetchAll(\PDO::FETCH_OBJ);
$param_values = [$dst_addr_id];
$params = [];
foreach ($tx_inputs as $in) {
$params[] = '?';
$param_values[] = $in->TransactionId;
}
$num_inputs = count($tx_inputs);
echo "***found $num_inputs inputs from address $src_addr.\n";
if ($num_inputs == 0) {
continue;
}
try {
// check the outputs with the dst address
$total_amount = 0;
$stmt = $conn->execute(sprintf('SELECT O.Value FROM Outputs O ' .
'RIGHT JOIN (SELECT IOA.OutputId, IOA.AddressId FROM OutputsAddresses IOA WHERE IOA.AddressId = ?) OA ON OA.OutputId = O.Id ' .
'WHERE O.TransactionId IN (%s)', implode(', ', $params)), $param_values);
$tx_outputs = $stmt->fetchAll(\PDO::FETCH_OBJ);
foreach ($tx_outputs as $out) {
echo "***found output to verification address with value " . $out->Value . "\n";
$total_amount = bcadd($total_amount, $out->Value, 8);
}
if ($total_amount >= $req->VerificationAmount) {
$conn->begin();
echo "***$total_amount is gte verification amount: $req->VerificationAmount.\n";
// Update the tag in the DB
$conn->execute('UPDATE Addresses SET Tag = ?, TagUrl = ? WHERE Address = ?', [$req->Tag, $req->TagUrl, $src_addr]);
// Set the request as verified
$conn->execute('UPDATE TagAddressRequests SET IsVerified = 1 WHERE Id = ?', [$req->Id]);
$conn->commit();
echo "Data committed.\n";
} else {
echo "***$total_amount is NOT up to verification amount: $req->VerificationAmount.\n";
}
} catch (\Exception $e) {
print_r($e);
echo "Rolling back.\n";
$conn->rollback();
}
}
self::unlock('auxverify');
}
public function pricehistory() {
self::lock('pricehistory');
$conn = ConnectionManager::get('default');
$redis = new \Predis\Client('tcp://127.0.0.1:6379');
try {
// Only allow 5-minute update intervals
$stmt = $conn->execute('SELECT MAX(Created) AS LastUpdate FROM PriceHistory');
$res = $stmt->fetch(\PDO::FETCH_OBJ);
$now = new \DateTime('now', new \DateTimeZone('UTC'));
if ($res && strlen(trim($res->LastUpdate)) > 0) {
$dt = new \DateTime($res->LastUpdate, new \DateTimeZone('UTC'));
$diff = $now->diff($dt);
$diffMinutes = $diff->i;
if ($diffMinutes < 5) {
echo "Last update is less than 5 minutes ago. Quitting.\n";
self::unlock('pricehistory');
return;
}
}
$btrxjson = json_decode(self::curl_get(self::bittrex));
$blckjson = json_decode(self::curl_get(self::blockchainticker));
if ($btrxjson->success) {
$btc = $btrxjson->result->Bid;
$usd = 0;
if (isset($blckjson->USD)) {
$usd = $btc * $blckjson->USD->buy;
$priceInfo = new \stdClass();
$priceInfo->price = number_format($usd, 2, '.', '');
$priceInfo->time = $now->format('c');
if ($redis) {
$redis->set(self::lbcpricekey, json_encode($priceInfo));
}
// save the price history if both prices are > 0
if ($usd > 0 && $btc > 0) {
$conn->execute('INSERT INTO PriceHistory (USD, BTC, Created) VALUES (?, ?, UTC_TIMESTAMP())', [$usd, $btc]);
echo "Inserted price history item. USD: $usd, BTC: $btc.\n";
} else {
echo "Could not insert price history item. USD: $usd, BTC: $btc.\n";
}
}
} else {
echo "bittrex requrest returned an invalid result.\n";
}
} catch (\Exception $e) {
print_r($e);
}
self::unlock('pricehistory');
}
public static function lock($process_name) {
if (!is_dir(TMP . 'lock')) {
mkdir(TMP . 'lock');
}
$lock_file = TMP . 'lock' . DS . $process_name;
if (file_exists($lock_file)) {
echo "$process_name is already running.\n";
exit(0);
}
file_put_contents($lock_file, '1');
}
public static function unlock($process_name) {
$lock_file = TMP . 'lock' . DS . $process_name;
if (file_exists($lock_file)) {
unlink($lock_file);
}
return true;
}
public static function curl_get($url) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$response = curl_exec($ch);
if ($response === false) {
$error = curl_error($ch);
$errno = curl_errno($ch);
curl_close($ch);
throw new \Exception(sprintf('The request failed: %s', $error), $errno);
} else {
curl_close($ch);
}
return $response;
}
}
?>