bitcoind_communication_test.php

<?

class BitcoindRPC{
	private $url;
	private $user;
	private $pass;

	function __construct($url, $user, $pass){
		$this->url	= $url;
		$this->user	= $user;
		$this->pass	= $pass;
	}

	private static function post__($url, $user, $pass, $data){
		$ch = curl_init();

		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: text/plain']); 
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
		curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
		curl_setopt($ch, CURLOPT_USERPWD, $user . ':' . $pass);

		$r = curl_exec($ch);

		return $r;
	}

	private function post_($data){
		return self::post__($this->url, $this->user, $this->pass, $data);
	}

	private static function json_prepare__($method, $params){
		$m = [
			"jsonrpc"	=> "1.0"	,
			"id"		=> 1		,
			"method"	=> $method	,
			"params"	=> $params
		];

		return json_encode($m);
	}

	private function json_exec_($method, $params = []){
		$r =  json_decode($this->post_(self::json_prepare__($method, $params)), true);

		/*
			Array
			(
			    [result] => Array
			        (
			        )
			    [error] =>
			    [id] => 1
			)
		*/

		if ($r["error"])
			return false;

		return $r["result"];
	}

	function info(){
		return $this->json_exec_("getinfo");
	}

	function lastBlock(){
		return $this->json_exec_("getbestblockhash");
	}

	function getBlock($hash){
		return $this->json_exec_("getblock", [ $hash ]);
	}

	function getTx($hash, $keep_hex = false){
		$r = $this->json_exec_("getrawtransaction", [ $hash, 1 ]);

		if ($r === false)
			return false;

		if ($keep_hex == false)
			unset($r["hex"]);

		return $r;
	}
}

$rpc = new BitcoindRPC("http://127.0.0.1:8332/", "niki", "123");

//print_r($rpc->info());

//print_r($rpc->lastBlock());

$BLOCK_ZERO	= "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f";
$TX_ZERO	= "4a5e1e4baab89f3a32518a88c31bc87f618f76673e2cc77ab2127b7afdeda33b";

$bl = $rpc->getBlock($BLOCK_ZERO);
//print_r($bl);

$bl = $rpc->getBlock($bl["nextblockhash"]);

$txhash = $bl["tx"][0];
echo $txhash;
$tx = $rpc->getTx($txhash);

$tx = $rpc->getTx("d5e53b84d6fdb7db91b946061bf692a999a89327fd6238e79bd831d154c51fd3");

print_r($tx);