PHP code example of polkachu / kraken-api-client

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

polkachu / kraken-api-client example snippets

$client = new \Butschster\Kraken\Client(
    new GuzzleHttp\Client(),
    new \Butschster\Kraken\NonceGenerator(),
    (new \Butschster\Kraken\Serializer\SerializerFactory())->build(),
    'api-key',
    'api-secret'
);

$client->getAccountBalance();

$client = new \Butschster\Kraken\WebsocketClient(
   (new \Butschster\Kraken\Serializer\SerializerFactory())->build(),
   \React\EventLoop\Factory::create()
);

$client->connectToPublicServer(...);

use App\Http\Controllers\Controller;
use Butschster\Kraken\Contracts\Client;

class BalanceController extends Controller {

    public function getBalance(Client $client)
    {
        $balances = $client->getAccountBalance();
       
        ...
    }
}

/** @var \Butschster\Kraken\Contracts\Client $client */

// Public request
$client->request('public/Spread', RecentSpreadsResponse::class, array $params): RecentSpreadsResponse;

// Private request
$balance = $client->request('private/Balance', \Butschster\Kraken\Responses\AccountBalanceResponse::class, array $params);

/** @var \Butschster\Kraken\Contracts\Client $client */
$response = $client->getServerTime();

$response->time; // DateTimeInterface
$response->rfc1123; // string:"Sun, 21 Mar 21 14:23:14 +0000

/** @var \Butschster\Kraken\Contracts\Client $client */
$response = $client->getSystemStatus();

$response->status; // string:"online"
$response->timestamp; // DateTimeImmutable

use Butschster\Kraken\ValueObjects\AssetClass;

/** @var \Butschster\Kraken\Contracts\Client $client */
$response = $client->getAssetInfo(array $assets = ['all'], ?AssetClass $class = null);

foreach ($response as $asset => $info) {
    $asset; // string: "XXBT"
    
    $info->class; // string:"currency"
    $info->altname; // string:"XBT"
    $info->decimals; // int:10
    $info->displayDecimals; // int:5
}

use Butschster\Kraken\ValueObjects\AssetPair;
use Butschster\Kraken\ValueObjects\TradableInfo;
use Butschster\Kraken\Responses\Entities\Fee;

/** @var \Butschster\Kraken\Contracts\Client $client */

$pair = new AssetPair('XXBTCZUSD', 'XETHXXBT');
$info = TradableInfo::leverage();

$response = $client->getTradableAssetPairs($pair, $info);

foreach ($response as $pair => $assetPair) {
    $pair ;// string:"XETHXXBT"
    
    $assetPair->altname; // string:"ETHXBT"
    $assetPair->wsname; // string:"ETH/XBT"
    $assetPair->classBase; // string:"currency"
    $assetPair->base; // string:"XETH"
    $assetPair->classQuote; // string:"currency"
    $assetPair->quote; // string:"XXBT"
    $assetPair->pairDecimals; // int:5
    $assetPair->lotDecimals; // int:8
    $assetPair->lotMultiplier; // int:1
    $assetPair->leverageBuy; // array:[2,3,4,5]
    $assetPair->leverageSell; // array:[2,3,4,5]
    $assetPair->feeVolumeCurrency; // string:"ZUSD"
    $assetPair->marginCall; // int:80
    $assetPair->marginStop; // int:40
    $assetPair->ordermin; // string:"0.005"
    
    foreach ($assetPair->fees as $fee) {
        $fee->getPercentFee(); // float:0.2
        $fee->getVolume(); // int:2500000
    }
    
    foreach ($assetPair->feesMaker as $fee) {
        $fee->getPercentFee(); // float:0.2
        $fee->getVolume(); // int:2500000
    }
    
}

use Brick\Math\BigDecimal;

/** @var \Butschster\Kraken\Contracts\Client $client */
$response = $client->getTickerInformation(['XBTUSD', 'XXBTZUSD', ...]);

foreach ($response as $pair => $tickerInfo) {
    $pair; // string: "XXBTZUSD"
    
    $tickerInfo->ask->getLotVolume(); // BigDecimal
    $tickerInfo->ask->getPrice(); // BigDecimal
    $tickerInfo->ask->getWholeLotVolume(); // BigDecimal
    
    $tickerInfo->bid->getLotVolume(); // BigDecimal
    $tickerInfo->bid->getPrice(); // BigDecimal
    $tickerInfo->bid->getWholeLotVolume(); // BigDecimal
    
    $tickerInfo->lastTradeClosed[0]; // string:"52641.10000"
    $tickerInfo->lastTradeClosed[1]; // string:"0.00080000"
    
    $tickerInfo->volume->getLast24Hours(); // BigDecimal
    $tickerInfo->volume->getToday(); // BigDecimal
    
    $tickerInfo->volumeWightedAveragePrice->getLast24Hours(); // BigDecimal
    $tickerInfo->volumeWightedAveragePrice->getToday(); // BigDecimal
    
    $tickerInfo->trades->getLast24Hours(); // int:0
    $tickerInfo->trades->getToday(); // int:10
    
    $tickerInfo->low->getToday(); // BigDecimal
    $tickerInfo->low->getLast24Hours(); // BigDecimal
    
    $tickerInfo->high->getToday(); // BigDecimal
    $tickerInfo->high->getLast24Hours(); // BigDecimal
    
    $tickerInfo->openingPrice; // BigDecimal
}

/** @var \Butschster\Kraken\Contracts\Client $client */

use Brick\Math\BigDecimal;

$response = $client->getOrderBook(['XBTUSD', 'XXBTZUSD'], 100);

foreach ($response as $pair => $orders) {
    foreach ($orders->asks as $order) {
        $order->getPrice(); // BigDecimal
        $order->getVolume(); // BigDecimal
        $order->getTimestamp(); // int:1616663113
        $order->getDate(); // DateTimeInterface
    }
    
    foreach ($orders->bids as $order) {
        $order->getPrice(); // BigDecimal
        $order->getVolume(); // BigDecimal
        $order->getTimestamp(); // int:1616663113
        $order->getDate(); // DateTimeInterface
    }
}

/** @var \Butschster\Kraken\Contracts\Client $client */

use Brick\Math\BigDecimal;

$response = $client->getAccountBalance();

foreach ($response as $balance) {
    $balance->getAsset(); // string:"ZUSD"
    $balance->getBalance(); // BigDecimal
}

/** @var \Butschster\Kraken\Contracts\Client $client */

use Brick\Math\BigDecimal;

$response = $client->getTradeBalance();

$response->equivalentBalance; // BigDecimal
$response->tradeBalance; // BigDecimal
$response->marginAmount; // BigDecimal
$response->net; // BigDecimal
$response->cost; // BigDecimal
$response->valuation; // BigDecimal
$response->equity; // BigDecimal
$response->freeMargin; // BigDecimal
$response->marginLevel; // BigDecimal

/** @var \Butschster\Kraken\Contracts\Client $client */

use Brick\Math\BigDecimal;

$response = $client->getOpenOrders();

foreach ($response as $txId => $order) {
    $txId; // string:"OQCLML-BW3P3-BUCMWZ"
    
    $order->refId; // string|null
    $order->userRef; // int:0
    $order->status; // string:"online"
    $order->openTimestamp; // int:1616666559.8974
    $order->startTimestamp; // int:0
    $order->expireTimestamp; // int:0
    
    $order->description->pair; // string:"XBTUSD"
    $order->description->type; // string:"buy"
    $order->description->orderType; // string:"limit"
    $order->description->price; // BigDecimal
    $order->description->secondaryPrice; // BigDecimal
    $order->description->leverage; // string:"none"
    $order->description->order; // string:"buy 1.25000000 XBTUSD @ limit 30010.0"
    $order->description->close; // string:""
    
    $order->volume; // BigDecimal
    $order->volumeExecuted; // BigDecimal
    $order->cost; // BigDecimal
    $order->fee; // BigDecimal
    $order->price; // BigDecimal
    $order->stopPrice; // BigDecimal
    $order->limitPrice; // BigDecimal
    $order->miscellaneous; // array<string>
    $order->flags; // array:["fciq"]
    $order->trades; // array:["TCCCTY-WE2O6-P3NB37"]
}

/** @var \Butschster\Kraken\Contracts\Client $client */

use Brick\Math\BigDecimal;

$start = \Carbon\Carbon::now()->subDay();
$end = \Carbon\Carbon::now();

$response = $client->getClosedOrders(
    start: $start, end: $end, offset: 100
);

$response->count; // 5

foreach ($response->closed as $txId => $order) {
    $txId; // string:"OQCLML-BW3P3-BUCMWZ"
    
    $order->refId; // string|null
    $order->userRef; // int:0
    $order->status; // string:"canceled"
    $order->reason; // string:"User requested"
    $order->openTimestamp; // int:1616666559.8974
    $order->startTimestamp; // int:0
    $order->expireTimestamp; // int:0
    
    $order->description->pair; // string:"XBTUSD"
    $order->description->type; // string:"buy"
    $order->description->orderType; // string:"limit"
    $order->description->price; // BigDecimal
    $order->description->secondaryPrice; // BigDecimal
    $order->description->leverage; // string:"none"
    $order->description->order; // string:"buy 1.25000000 XBTUSD @ limit 30010.0"
    $order->description->close; // string:""
    
    $order->volume; // BigDecimal
    $order->volumeExecuted; // BigDecimal
    $order->cost; // BigDecimal
    $order->fee; // BigDecimal
    $order->price; // BigDecimal
    $order->stopPrice; // BigDecimal
    $order->limitPrice; // BigDecimal
    $order->miscellaneous; // array<string>
    $order->flags; // array:["fciq"]
    $order->trades; // array:["TCCCTY-WE2O6-P3NB37"]
}

/** @var \Butschster\Kraken\Contracts\Client $client */

use Brick\Math\BigDecimal;

$response = $client->queryOrdersInfo(['OBCMZD-JIEE7-77TH3F', 'OMMDB2-FSB6Z-7W3HPO']);

foreach ($response as $txId => $order) {
    $txId; // string:"OQCLML-BW3P3-BUCMWZ"
    
    $order->refId; // string|null
    $order->userRef; // int:0
    $order->status; // string:"canceled"
    $order->reason; // string:"User requested"
    $order->openTimestamp; // int:1616666559.8974
    $order->startTimestamp; // int:0
    $order->expireTimestamp; // int:0
    
    $order->description->pair; // string:"XBTUSD"
    $order->description->type; // string:"buy"
    $order->description->orderType; // string:"limit"
    $order->description->price; // BigDecimal
    $order->description->secondaryPrice; // BigDecimal
    $order->description->leverage; // string:"none"
    $order->description->order; // string:"buy 1.25000000 XBTUSD @ limit 30010.0"
    $order->description->close; // string:""
    
    $order->volume; // BigDecimal
    $order->volumeExecuted; // BigDecimal
    $order->cost; // BigDecimal
    $order->fee; // BigDecimal
    $order->price; // BigDecimal
    $order->stopPrice; // BigDecimal
    $order->limitPrice; // BigDecimal
    $order->miscellaneous; // array<string>
    $order->flags; // array:["fciq"]
    $order->trades; // array:["TCCCTY-WE2O6-P3NB37"]
}

/** @var \Butschster\Kraken\Contracts\Client $client */

use Butschster\Kraken\ValueObjects\CloseOrder;
use Butschster\Kraken\ValueObjects\OrderDirection;
use Butschster\Kraken\ValueObjects\OrderType;


$order = new \Butschster\Kraken\Requests\AddOrderRequest(
    OrderType::stopLoss(), OrderDirection::sell(), 'XXBTZUSD'
);

$order->setCloseOrder(new CloseOrder(OrderType::stopLoss(), '38000', '36000'));
$order->setPrice('45000.1');
$order->...

$response = $client->addOrder($order);

$response->description->order; // string:"sell 2.12340000 XBTUSD @ limit 45000.1 with 2:1 leverage"
$response->description->close; // string:"close position @ stop loss 38000.0 -> limit 36000.0"
$response->txId; // array:["OUF4EM-FRGI2-MQMWZD"]

/** @var \Butschster\Kraken\Contracts\Client $client */

$response = $client->cancelOrder('OYVGEW-VYV5B-UUEXSK');
$response; // int:1

/** @var \Butschster\Kraken\Contracts\Client $client */

$response = $client->cancelAllOrders();
$response; // int:1

/** @var \Butschster\Kraken\Contracts\Client $client */

$response = $client->cancelAllOrdersAfter(60);
$response->currentTime; // DateTimeInterface
$response->triggerTime; // DateTimeInterface

/** @var \Butschster\Kraken\Contracts\Client $client */

use Brick\Math\BigDecimal;

$response = $client->getDepositMethods('XBT');
$response->method; // string:"Bitcoin"
$response->limit; // int|bool:false
$response->fee; // BigDecimal
$response->generatedAddress; // bool:true
$response->addressSetupFee; // string:""

/** @var \Butschster\Kraken\Contracts\Client $client */

$response = $client->getDepositAddresses('XBT', 'Bitcoin');

foreach ($response as $address) {
    $address->address; // string:"2N9fRkx5JTWXWHmXzZtvhQsufvoYRMq9ExV"
    $address->expireTimestamp; // int:0
    $address->new; // bool:true
}

/** @var \Butschster\Kraken\Contracts\Client $client */

use Brick\Math\BigDecimal;

$response = $client->getWithdrawalInformation('XBT', 'btc_testnet_with1', BigDecimal::of(0.725));

$response->method; // string:"Bitcoin"
$response->limit; // BigDecimal
$response->amount; // BigDecimal
$response->fee; // BigDecimal

/** @var \Butschster\Kraken\Contracts\Client $client */

$response = $client->getWebsocketsToken();
$response->token; // string:"1Dwc4lzSwNWOAwkMdqhssNNFhs1ed606d1WcF3XfEMw"
$response->expires; // int:900
$response->expiresAt(); // DateTimeInterface

namespace App\Console\Commands\ExampleCommand;

use Butschster\Kraken\Contracts\WebsocketClient;
use Butschster\Kraken\Websocket\Connection;

class ExampleCommand extends Command 
{
    ...
    
    public function handle(WebsocketClient $client)
    {
        $client->connectToPublicServer(function (Connection $connection) {
        
            ...
        
        });
    }
}

/** @var \Butschster\Kraken\Contracts\WebsocketClient $client */

use Butschster\Kraken\Websocket\Connection;
use Butschster\Kraken\Websocket\Requests\Ping;
use Butschster\Kraken\Websocket\Timer;

$client->connectToPublicServer(function (Connection $connection) {
    $connection->sendEvent(new Ping());
    
    // or
    
    $connection->addPeriodicTimer(
        new Timer(5, new Ping())
    );
});


$client->connectToPrivateServer('websocket-token', function (Connection $connection) {
    ...
});

/** @var \Butschster\Kraken\Contracts\WebsocketClient $client */

use Butschster\Kraken\Websocket\Connection;
use Butschster\Kraken\Websocket\Requests\HeartBeat;
use Butschster\Kraken\Websocket\Timer;

$client->connectToPublicServer(function (Connection $connection) {
    $connection->sendEvent(new HeartBeat());
    
    // or
    
    $connection->addPeriodicTimer(
        new Timer(5, new HeartBeat())
    );
});

/** @var \Butschster\Kraken\Contracts\WebsocketClient $client */

use Butschster\Kraken\Websocket\Connection;
use Butschster\Kraken\Websocket\Requests\Subscribe;

$client->connectToPublicServer(function (Connection $connection) {
    $connection->sendEvent(
        new Subscribe(
            'ticker',
            ["XBT/USD", "XBT/EUR"]
        )
    );
    
    $connection->onMessage(function (string $message) {
        // Handle message
    });
});

/** @var \Butschster\Kraken\Contracts\WebsocketClient $client */

// For public events you have to use \Butschster\Kraken\Contracts\WebsocketEvent interface
// For private events you have to use \Butschster\Kraken\Contracts\PrivateWebsocketEvent interface

class OwnTradesEvent implements \Butschster\Kraken\Contracts\PrivateWebsocketEvent {
    public string $event = 'subscribe';
    public array $subscription = [
        'name' => 'ownTrades'
    ];
    
    public function setToken(string $token) : void{
        $this->subscription['token'] = $toke;
    }
}

$client->connectToPrivateServer('token', function (Connection $connection) {
    $connection->sendEvent(
        new OwnTradesEvent()
    );
});