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api: prepare the currencies details

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This commit is contained in:
Tanguy Pruvot 2016-03-21 13:55:12 +01:00
parent 0f34e167cf
commit d1905c6665
1 changed files with 71 additions and 0 deletions
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71
web/yaamp/modules/api/ApiController.php
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@ -95,6 +95,77 @@ class ApiController extends CommonController
echo "{".implode(', ', $stats)."}"; echo "{".implode(', ', $stats)."}";
} }
public function actionCurrencies()
{
$memcache = controller()->memcache->memcache;
$json = memcache_get($memcache, "api_currencies");
if (empty($json)) {
if(!LimitRequest('api-status', 10)) return;
$data = array();
$coins = getdbolist('db_coins', "enable AND visible AND auto_ready AND IFNULL(algo,'PoS')!='PoS' ORDER BY symbol");
foreach ($coins as $coin)
{
$symbol = $coin->symbol;
$last = dborow("SELECT height, time FROM blocks ".
"WHERE coin_id=:id AND category IN ('immature','generate') ORDER BY height DESC LIMIT 1",
array(':id'=>$coin->id)
);
$lastblock = (int) arraySafeVal($last,'height');
$timesincelast = $timelast = (int) arraySafeVal($last,'time');
if ($timelast > 0) $timesincelast = time() - $timelast;
$workers = (int) dboscalar("SELECT count(W.userid) AS workers FROM workers W ".
"INNER JOIN accounts A ON A.id = W.userid ".
"WHERE W.algo=:algo AND A.coinid IN (:id, 6)", // 6: btc id
array(':algo'=>$coin->algo, ':id'=>$coin->id)
);
$since = $timelast ? $timelast : time() - 60*60;
$shares = dborow("SELECT count(id) AS shares, SUM(difficulty) AS coin_hr FROM shares WHERE time>$since AND algo=:algo AND coinid IN (0,:id)",
array(':id'=>$coin->id,':algo'=>$coin->algo)
);
// Coin hashrate, we only store the hashrate per algo in the db,
// we need to compute the % of the coin compared to others with the same algo
if ($workers > 0) {
$algohr = (double) dboscalar("SELECT SUM(difficulty) AS algo_hr FROM shares WHERE time>$since AND algo=:algo",array(':algo'=>$coin->algo));
$factor = ($algohr > 0 && !empty($shares)) ? (double) $shares['coin_hr'] / $algohr : 1.;
$algo_hashrate = controller()->memcache->get_database_scalar("api_status_hashrate-{$coin->algo}",
"SELECT hashrate FROM hashrate WHERE algo=:algo ORDER BY time DESC LIMIT 1", array(':algo'=>$coin->algo)
);
} else {
$factor = $algo_hashrate = 0;
}
$data[$symbol] = array(
'algo' => $coin->algo,
'port' => getAlgoPort($coin->algo),
'name' => $coin->name,
'height' => (int) $coin->block_height,
'workers' => $workers,
'shares' => (int) arraySafeVal($shares,'shares'),
'hashrate' => round($factor * $algo_hashrate),
//'percent' => round($factor * 100, 1),
'lastblock' => $lastblock,
'timesincelast' => $timesincelast,
);
if (!empty($coin->symbol2))
$data[$symbol]['symbol'] = $coin->symbol2;
}
$json = json_encode($data);
memcache_set($memcache, "api_currencies", $json, MEMCACHE_COMPRESSED, 15);
}
echo str_replace("},","},\n", $json);
}
public function actionWallet() public function actionWallet()
{ {
if(!LimitRequest('api-wallet', 10)) return; if(!LimitRequest('api-wallet', 10)) return;