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<?php |
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namespace Bavix\Wallet\Traits; |
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use Bavix\Wallet\Interfaces\Wallet; |
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use Bavix\Wallet\Models\Transfer; |
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use Bavix\Wallet\Objects\Bring; |
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use Bavix\Wallet\Services\CommonService; |
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use Bavix\Wallet\Services\ExchangeService; |
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use Bavix\Wallet\Services\WalletService; |
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use Illuminate\Support\Facades\DB; |
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trait CanExchange |
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{ |
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/** |
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* @inheritDoc |
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*/ |
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public function exchange(Wallet $to, int $amount): Transfer |
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{ |
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$wallet = app(WalletService::class) |
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->getWallet($this); |
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app(CommonService::class) |
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->verifyWithdraw($wallet, $amount); |
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return $this->forceExchange($to, $amount); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function safeExchange(Wallet $to, int $amount): ?Transfer |
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{ |
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try { |
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return $this->exchange($to, $amount); |
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} catch (\Throwable $throwable) { |
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return null; |
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} |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function forceExchange(Wallet $to, int $amount): Transfer |
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{ |
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/** |
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* @var Wallet $from |
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*/ |
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$from = app(WalletService::class)->getWallet($this); |
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return DB::transaction(function() use ($from, $to, $amount) { |
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$rate = app(ExchangeService::class)->rate($from, $to); |
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$fee = app(WalletService::class)->fee($to, $amount); |
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$withdraw = $from->forceWithdraw($amount + $fee); |
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$deposit = $to->deposit($amount * $rate); |
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$transfers = app(CommonService::class)->multiBrings([ |
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(new Bring()) |
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->setStatus(Transfer::STATUS_EXCHANGE) |
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->setDeposit($deposit) |
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->setWithdraw($withdraw) |
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->setFrom($from) |
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->setTo($to) |
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]); |
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return current($transfers); |
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}); |
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} |
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} |
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bavix /
laravel-wallet
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