<?php

$algo = user()->getState('yaamp-algo');

$t = time() - 48*60*60;
$stats = getdbolist('db_hashstats', "time>$t and algo=:algo", array(':algo'=>$algo));

$algo_unit_factor = yaamp_algo_mBTC_factor($algo);

$data = array();

foreach($stats as $i=>$n)
{
	$m = round($n->hashrate/(1000000*$algo_unit_factor), 3);

	$d = date('Y-m-d H:i:s', $n->time);
	$data[] = array($d, $m);
}

echo json_encode($data);