Premium.php
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<?php
namespace trader\struct;
class Premium
{
public $symbol; //标准交易对
public $symbolOri; //原始交易对
public $rate; //资金费率
public $settleTs; //下次结算时间
public $settlePeriod; //结算周期
public $uts; //最近更新时间
public function __construct($symbol, $symbolOri, $rate, $settleTs, $settlePeriod, $uts)
{
$this->symbol = $symbol;
$this->symbolOri = $symbolOri;
$this->rate = $rate;
$this->settleTs = $settleTs;
$this->settlePeriod = $settlePeriod;
$this->uts = $uts;
}
public function toArray()
{
return [
'symbol' => $this->symbol,
'symbolOri' => $this->symbolOri,
'rate' => $this->rate,
'settleTs' => $this->settleTs,
'settlePeriod' => $this->settlePeriod,
'uts' => $this->uts,
];
}
public static function transferOkx($data, callable $getSymbolSt): self
{
$symbolOri = $data['instId'];
$symbolSt = $getSymbolSt($symbolOri);
$rate = $data['fundingRate'];
$settleTs = $data['fundingTime'];
$settlePeriod = $data['nextFundingTime'] - $settleTs;
$uts = $data['ts'];
return new self($symbolSt, $symbolOri, $rate, $settleTs, $settlePeriod, $uts);
}
public static function transferBinance($data, callable $getSymbolSt): ?self
{
$symbolOri = $data['symbol'];
try {
$symbolSt = $getSymbolSt($symbolOri);
} catch (\Throwable $th) {
return null;
}
$rate = $data['lastFundingRate'];
$settleTs = $data['nextFundingTime'];
$settlePeriod = 0;
$uts = $data['time'];
return new self($symbolSt, $symbolOri, $rate, $settleTs, $settlePeriod, $uts);
}
}