如何在api localbitcoin上使用分页 [英] How to use pagination at api localbitcoin
问题描述
我正在使用localbitcoin API进行开发,并且正在使用路径"/api/dashboard/closed/",这是我的代码:
I'm developing with localbitcoin API and i am using path "/api/dashboard/closed/" and this is my code:
<?php
function localbitcoinsquery($path, $nonce,array $req = Array()) {
global $random;
$key='mykey';
$secret='secretkey';
if ($req) {
$get=httpbuildquery($req);
$path=$path.'?'.$get;
}
$postdata=$nonce.$key.$path;
$sign = strtoupper(hashhmac('sha256', $postdata, $secret));
$headers = array(
'Apiauth-Signature:'.$sign,
'Apiauth-Key:'.$key,
'Apiauth-Nonce:'.$nonce
);
$ch = null;
$ch = curlinit('https://localbitcoins.com'.$path);
curlsetopt($ch, CURLOPTRETURNTRANSFER, true);
curlsetopt($ch, CURLOPTHTTPHEADER, $headers);
curlsetopt($ch, CURLOPTSSLVERIFYPEER, TRUE);
curlsetopt($ch, CURLOPTCONNECTTIMEOUT, 20);
$res = curlexec($ch);
if ($res === false) throw new Exception('Curl error: '.curlerror($ch));
$dec = jsondecode($res, true);
if (!$dec) throw new Exception('Invalid data: '.$res);
curl_close($ch);
return $dec;
}
$getinfo = array();
$url='/api/dashboard/closed/';
$mt = explode(' ', microtime());
$random = $mt[1].substr($mt[0], 2, 6);
$getinfo = localbitcoinsquery($url,$random);
echo "<pre>";
printr($getinfo);
echo "</pre>";
?>
这可以正常运行,但仅显示50笔交易, 我也得到这个结果:
This works OK, but show only 50 trades, Also I get this at result:
[pagination] => Array
(
[next] => https://localbitcoins.com/api/dashboard/closed/?order_by=-closed_at&start_at=2017-10-26+17%3U50%3A49%2B00%9A00
)
但是我不知道如何使用分页,当我尝试在我的代码中使用此链接时,出现错误:
But I don't know how to use pagination, when I try to use this link at my code I get error:
[消息] =>给出了HMAC身份验证密钥和签名,但是它们 是无效的.错误41
[message] => HMAC authentication key and signature was given, but they are invalid. Error 41
我已经在Google进行了大量调查,但相关信息很少.
I already investigated at google large time but the information is scarce.
推荐答案
我更正了错误编号. 41.我修改了您的示例以显示其效果,(请阅读我的NOTE:评论以更好地了解问题所在).阅读我的NOTE:评论.
I fixed error no. 41. I modified your example to show that works, (read my NOTE: comments to understand better where is the problem) Read my NOTE: comments.
<?php
function localbitcoins_query($path, array $req = Array()) {
$key='yourkey';
$secret='yoursecret';
$array_mt = explode(' ', microtime());
$nonce = $array_mt[1].substr($array_mt[0], 2, 6);
$get = "";
if ($req) {
$get=http_build_query($req);
}
$postdata=$nonce.$key.$path.$get; // NOTE: here $postdata goes without '?' char before the parameters!
$sign = strtoupper(hash_hmac('sha256', $postdata, $secret));
$headers = array(
'Apiauth-Signature:'.$sign,
'Apiauth-Key:'.$key,
'Apiauth-Nonce:'.$nonce
);
$ch = null;
$ch = curl_init('https://localbitcoins.com'.$path.( $get=="" ? "" : "?".$get)); // NOTE: here it's necesary '?' char before the parameters!
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, TRUE);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20);
$res = curl_exec($ch);
if ($res === false) throw new Exception('Curl error: '.curlerror($ch));
$dec = json_decode($res, true);
if (!$dec) throw new Exception('Invalid data: '.$res);
curl_close($ch);
return $dec;
}
$getinfo = array();
$api_endpoint = '/api/dashboard/closed/';
$array_params = array( "order_by" => "-closed_at"
, "start_at" => "2019-08-14 18:00:26+00:00"
);
$getinfo = localbitcoins_query($api_endpoint,$array_params);
echo "<pre>"; print_r($getinfo); echo "</pre>";
?
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