Topic: PHP - Bidcoind check for new transactions. (Read 1644 times)

#!/usr/bin/env php

/* depends on: 	*/
/* php5-curl 	*/
/* https://github.com/aceat64/EasyBitcoin-PHP 	*/

require_once 'include/easybitcoin.php';

$min_confirm = 6;
$bitcoinrpc_user = 'bitcoinrpc';
$bitcoinrpc_pass = 'bitcoinrpc_pass';
$bitcoinrpc_host = 'localhost';
$bitcoinrpc_port = '8332'; 

if ($argc != 2 || strlen($argv[1]) != 64)
  {
    echo "usage:$argv[0] tx\n";
    die();
  }

$tx = $argv[1];
$file = "/tmp/".md5($tx);
$lock = fopen($file, "w+");

if (flock($lock, LOCK_EX | LOCK_NB))
  {
    fwrite($lock, $tx);
  }
else
  {
    echo "Process already running for same tx, exiting\n";
    die();
  }

$bitcoin = new Bitcoin($bitcoinrpc_user, $bitcoinrpc_pass, $bitcoinrpc_host, $bitcoinrpc_port);
$bitcoin->gettransaction($tx);

if ($bitcoin->status != 200)
  {
    echo "Error: $bitcoin->error\n";
    die();
  }

if ($bitcoin->response['result']['details'][0]['category'] === "receive")
  {
    while (1)
      {
        $bitcoin->gettransaction($tx);
        $address =$bitcoin->response['result']['details'][0]['address'];
        $amount  =$bitcoin->response['result']['amount'];
        $confirm =$bitcoin->response['result']['confirmations'];

        echo "$address -> $amount confirmations:$confirm\n";

        if ($confirm >= $min_confirm)
          {
            echo "$min_confirm or more confirmations for $tx\n";
            $payment = array("address" => $address, "tx" => $tx, "amount" => $amount);

            /****************************************** Process tx stored in $payment here ******************************************/
            die();
          }

        sleep(30); // Check number of confirmations every 30sec.
      }
  }

?>

walletnotify=/path_to/script.php %s

min = 1
max = 7

lastBlockHash = database.lastBlockHash
blockData = bitcoind.getblock(lastBlockHash)

if(blockData.confirmations < min)
{
    lastBlockHash = bitcoind.getblockhash(max)
}

response = bitcoind.listsinceblock(lastBlockHash)

foreach(response.transactions)
{
    ...
}