SymbolInfo.php
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<?php
namespace trader\struct;
require_once __DIR__ . '/../../jiaoyin/func.php';
use function Jiaoyin\getPrecision;
class SymbolInfo
{
public string $symbolOri; // 原始交易对
public string $symbol; // 标准交易对
public string $ctVal; // 合约面值
public string $pricePrec;
public string $qtyPrec;
public string $lotPrec;
public string $minLot; // 最小下单张数
public string $minQty; // 最小下单数量
public int $mul; // 合约乘数//放大倍数，比如币安 1000CATUSDT，乘数为1000
public function __construct($symbolOri, $symbol, $ctVal, $pricePrec, $qtyPrec, $lotPrec, $minLot, $minQty, $mul = 1)
{
$this->symbolOri = $symbolOri;
$this->symbol = $symbol;
$this->ctVal = $ctVal;
$this->pricePrec = $pricePrec;
$this->qtyPrec = $qtyPrec;
$this->lotPrec = $lotPrec;
$this->minLot = $minLot;
$this->minQty = $minQty;
$this->mul = $mul;
}
public function toArray()
{
return [
'symbolOri' => $this->symbolOri,
'symbol' => $this->symbol,
'ctVal' => $this->ctVal,
'pricePrec' => $this->pricePrec,
'qtyPrec' => $this->qtyPrec,
'lotPrec' => $this->lotPrec,
'minLot' => $this->minLot,
'minQty' => $this->minQty,
'mul' => $this->mul,
];
}
public static function transferOkx($data, callable $getSymbolSt): SymbolInfo
{
$symbolSt = $getSymbolSt($data["instId"]); //转换为标准交易对
$pricePrec = getPrecision($data['tickSz']);
$ctVal = $data['ctVal'];
$minLot = $data['minSz'];
$minQty = $minLot * $ctVal;
$qtyPrec = getPrecision($minQty);
$lotPrec = getPrecision($minLot);
$info = new SymbolInfo($data["instId"], $symbolSt, $ctVal, $pricePrec, $qtyPrec, $lotPrec, $minLot, $minQty);
return $info;
}
public static function transferBinance($data, callable $getSymbolSt): SymbolInfo
{
$symbolOri = $data['symbol'];
$symbolSt = $getSymbolSt($symbolOri); //转换为标准交易对
$ctVal = 1;
$pricePrec = 0;
$qtyPrec = 0;
$lotPrec = 0;
$minLot = 0;
foreach ($data['filters'] as $v) {
if ($v['filterType'] == 'PRICE_FILTER') {
$pricePrec = getPrecision($v['tickSize']);
}
if ($v['filterType'] == 'LOT_SIZE') {
$minLot = $v['minQty'];
$minQty = $minLot * $ctVal;
$qtyPrec = getPrecision($minLot);
$lotPrec = getPrecision($minLot);
}
}
$mul = self::extractNumber($symbolOri);
$info = new SymbolInfo($symbolOri, $symbolSt, $ctVal, $pricePrec, $qtyPrec, $lotPrec, $minLot, $minQty, $mul);
return $info;
}
public static function transferBybit($data, callable $getSymbolSt): SymbolInfo
{
$symbolOri = $data['symbol'];
$symbolSt = $getSymbolSt($symbolOri); //转换为标准交易对
$ctVal = 1;
$pricePrec = getPrecision($data['priceFilter']['tickSize']);
$qtyPrec = getPrecision($data['lotSizeFilter']['qtyStep']);
$lotPrec = $qtyPrec;
$minQty = $data['lotSizeFilter']['minOrderQty'];
$minLot = $minQty * $ctVal;
$mul = self::extractNumber($symbolOri);
$info = new SymbolInfo($symbolOri, $symbolSt, $ctVal, $pricePrec, $qtyPrec, $lotPrec, $minLot, $minQty, $mul);
return $info;
}
public static function transferBitget($data, callable $getSymbolSt): SymbolInfo
{
$symbolOri = $data['symbol'];
$symbolSt = $getSymbolSt($symbolOri); //转换为标准交易对
$ctVal = 1; // Bitget合约面值为1
$pricePrec = (int)$data['pricePlace'];
$qtyPrec = (int)$data['volumePlace'];
$lotPrec = $qtyPrec;
$minQty = $data['minTradeNum'];
$minLot = $minQty * $ctVal;
$mul = self::extractNumber($symbolOri);
return new SymbolInfo(
$symbolOri,
$symbolSt,
$ctVal,
$pricePrec,
$qtyPrec,
$lotPrec,
$minLot,
$minQty,
$mul
);
}
public static function extractNumber($str)
{
// 示例
// echo extractNumber("1000CATUSDT") . PHP_EOL; // 输出：1000
// echo extractNumber("1000PEPEUSDT") . PHP_EOL; // 输出：1000
// echo extractNumber("1000000MOGUSDT") . PHP_EOL; // 输出：1000000
if (preg_match('/^\d+/', $str, $matches)) {
return (int)$matches[0]; // 返回整数
}
return 1;
}
}