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<?php |
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declare(strict_types=1); |
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namespace B2Binpay; |
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use B2Binpay\Exception\UnknownValueException; |
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/** |
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* Currency directory |
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* |
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* @package B2Binpay |
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*/ |
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class Currency |
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{ |
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const MAX_PRECISION = 18; |
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/** |
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* @var array[] |
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*/ |
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private static $list = [ |
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156 => [ |
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'iso' => 156, |
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'alpha' => 'CNY', |
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'name' => 'Chinese yuan', |
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'precision' => 2 |
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], |
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344 => [ |
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'iso' => 344, |
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'alpha' => 'HKD', |
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'name' => 'Hong Kong dollar', |
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'precision' => 2 |
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], |
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392 => [ |
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'iso' => 392, |
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'alpha' => 'JPY', |
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'name' => 'Japanese yen', |
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'precision' => 2 |
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], |
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398 => [ |
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'iso' => 398, |
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'alpha' => 'KZT', |
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'name' => 'Tenge', |
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'precision' => 2 |
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], |
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643 => [ |
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'iso' => 643, |
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'alpha' => 'RUB', |
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'name' => 'Russian ruble', |
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'precision' => 2 |
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], |
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826 => [ |
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'iso' => 826, |
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'alpha' => 'GBP', |
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'name' => 'Pound Sterling', |
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'precision' => 2 |
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], |
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840 => [ |
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'iso' => 840, |
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'alpha' => 'USD', |
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'name' => 'US Dollar', |
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'precision' => 2 |
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], |
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933 => [ |
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'iso' => 933, |
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'alpha' => 'BYN', |
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'name' => 'Belarusian Ruble', |
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'precision' => 2 |
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], |
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978 => [ |
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'iso' => 978, |
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'alpha' => 'EUR', |
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'name' => 'Euro', |
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'precision' => 2 |
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], |
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980 => [ |
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'iso' => 980, |
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'alpha' => 'UAH', |
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'name' => 'Ukrainian hryvnia', |
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'precision' => 2 |
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], |
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1000 => [ |
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'iso' => 1000, |
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'alpha' => 'BTC', |
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'name' => 'Bitcoin', |
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'precision' => 8 |
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], |
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1002 => [ |
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'iso' => 1002, |
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'alpha' => 'ETH', |
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'name' => 'Ethereum', |
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'precision' => 18 |
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], |
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1003 => [ |
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'iso' => 1003, |
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'alpha' => 'LTC', |
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'name' => 'Litecoin', |
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'precision' => 8 |
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], |
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1005 => [ |
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'iso' => 1005, |
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'alpha' => 'DASH', |
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'name' => 'DASH', |
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'precision' => 8 |
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], |
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1006 => [ |
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'iso' => 1006, |
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'alpha' => 'BCH', |
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'name' => 'Bitcoin Cash', |
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'precision' => 8 |
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], |
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1007 => [ |
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'iso' => 1007, |
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'alpha' => 'XMR', |
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'name' => 'Monero', |
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'precision' => 12 |
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], |
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1010 => [ |
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'iso' => 1010, |
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'alpha' => 'XRP', |
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'name' => 'Ripple', |
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'precision' => 6 |
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], |
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1012 => [ |
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'iso' => 1012, |
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'alpha' => 'XEM', |
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'name' => 'NEM', |
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'precision' => 6 |
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], |
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1018 => [ |
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'iso' => 1018, |
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'alpha' => 'ADA', |
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'name' => 'Cardano', |
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'precision' => 6 |
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], |
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1019 => [ |
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'iso' => 1019, |
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'alpha' => 'DOGE', |
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'name' => 'Dogecoin', |
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'precision' => 8 |
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], |
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1020 => [ |
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'iso' => 1020, |
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'alpha' => 'ZEC', |
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'name' => 'Zcash', |
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'precision' => 8 |
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], |
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1021 => [ |
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'iso' => 1021, |
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'alpha' => 'XLM', |
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'name' => 'Stellar', |
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'precision' => 7 |
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], |
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1022 => [ |
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'iso' => 1022, |
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'alpha' => 'EOS', |
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'name' => 'EOS', |
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'precision' => 4 |
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], |
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1026 => [ |
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'iso' => 1026, |
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'alpha' => 'TRX', |
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'name' => 'TRON', |
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'precision' => 6 |
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], |
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2005 => [ |
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'iso' => 2005, |
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'alpha' => 'USDT', |
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'name' => 'Tether USD', |
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'precision' => 8, |
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'node' => [ |
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'usdt-omni', |
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'usdt-eth' |
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] |
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], |
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2006 => [ |
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'iso' => 2006, |
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'alpha' => 'EURT', |
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'name' => 'Tether EUR', |
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'precision' => 8, |
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'node' => [ |
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'eurt-omni', |
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'eurt-eth' |
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] |
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], |
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2014 => [ |
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'iso' => 2014, |
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'alpha' => 'NEO', |
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'name' => 'NEO', |
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'precision' => 3 |
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], |
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2021 => [ |
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'iso' => 2021, |
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'alpha' => 'PAX', |
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'name' => 'PAX', |
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'precision' => 18, |
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'node' => [ |
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'pax-eth' |
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] |
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], |
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2022 => [ |
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'iso' => 2022, |
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'alpha' => 'TUSD', |
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'name' => 'TrueUSD', |
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'precision' => 18, |
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'node' => [ |
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'tusd-eth' |
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] |
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], |
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2023 => [ |
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'iso' => 2023, |
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'alpha' => 'GUSD', |
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'name' => 'Gemini dollar', |
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'precision' => 2, |
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'node' => [ |
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'gusd-eth' |
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] |
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], |
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2024 => [ |
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'iso' => 2024, |
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'alpha' => 'USDC', |
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'name' => 'USD//Coin', |
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'precision' => 6, |
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'node' => [ |
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'usdc-eth' |
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] |
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], |
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2025 => [ |
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'iso' => 2025, |
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'alpha' => 'BNB', |
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'name' => 'Binance Coin', |
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'precision' => 8 |
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], |
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2068 => [ |
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'iso' => 2068, |
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'alpha' => 'DAI', |
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'name' => 'Dai Stablecoin', |
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'precision' => 18, |
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'node' => [ |
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'dai-eth' |
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] |
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], |
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2077 => [ |
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'iso' => 2077, |
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'alpha' => 'BUSD', |
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'name' => 'Binance USD', |
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'precision' => 18, |
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'node' => [ |
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'busd-eth' |
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] |
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] |
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]; |
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/** |
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* @param int $iso |
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* @return string |
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* @throws UnknownValueException |
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*/ |
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public function getAlpha(int $iso): string |
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{ |
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if (!array_key_exists($iso, Currency::$list)) { |
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throw new UnknownValueException($iso); |
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} |
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return Currency::$list[$iso]['alpha']; |
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} |
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/** |
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* @param string $alpha |
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* @return int |
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* @throws UnknownValueException |
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*/ |
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public function getIso(string $alpha): int |
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{ |
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$alpha = strtoupper($alpha); |
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$iso = array_reduce( |
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self::$list, |
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function ($carry, $item) use ($alpha) { |
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$nodeList = isset($item['node']) ? $item['node'] : []; |
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$nodeList = array_map('strtoupper', $nodeList); |
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if ($item['alpha'] === $alpha || in_array($alpha, $nodeList)) { |
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$carry = $item['iso']; |
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} |
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return (int)$carry; |
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} |
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); |
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if (empty($iso)) { |
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throw new UnknownValueException($alpha); |
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} |
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return $iso; |
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} |
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/** |
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* @param int $iso |
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* @return int |
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* @throws UnknownValueException |
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*/ |
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public function getPrecision(int $iso): int |
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{ |
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if (!array_key_exists($iso, self::$list)) { |
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throw new UnknownValueException($iso); |
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} |
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return self::$list[$iso]['precision']; |
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} |
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/** |
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* @return int |
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*/ |
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public function getMaxPrecision(): int |
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{ |
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return self::MAX_PRECISION; |
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} |
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/** |
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* @param int $iso |
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* @return string |
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* @throws UnknownValueException |
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*/ |
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public function getName(int $iso): string |
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{ |
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if (!array_key_exists($iso, self::$list)) { |
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throw new UnknownValueException($iso); |
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} |
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return self::$list[$iso]['name']; |
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} |
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} |
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