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| 1 | <?php |
| 2 | /** |
| 3 | * One Bitcoin equivalent in a given currency. |
| 4 | * |
| 5 | * @package brianhenryie/bh-wp-bitcoin-gateway |
| 6 | */ |
| 7 | |
| 8 | namespace BrianHenryIE\WP_Bitcoin_Gateway\API\Clients; |
| 9 | |
| 10 | use BrianHenryIE\WP_Bitcoin_Gateway\API\Model\Exceptions\BH_WP_Bitcoin_Gateway_Exception; |
| 11 | use BrianHenryIE\WP_Bitcoin_Gateway\Brick\Money\Currency; |
| 12 | use BrianHenryIE\WP_Bitcoin_Gateway\Brick\Money\Exception\UnknownCurrencyException; |
| 13 | use BrianHenryIE\WP_Bitcoin_Gateway\Brick\Money\Money; |
| 14 | use JsonException; |
| 15 | |
| 16 | interface Exchange_Rate_API_Interface { |
| 17 | |
| 18 | /** |
| 19 | * Given a currency, e.g. USD, return the equivalent of 1 BTC in that currency, e.g. $10,000 USD. |
| 20 | * |
| 21 | * @param Currency $currency FIAT currency (presumably) e.g. USD. |
| 22 | * |
| 23 | * @return Money Value of one BTC in that currency. |
| 24 | * |
| 25 | * @throws BH_WP_Bitcoin_Gateway_Exception When the request fails. |
| 26 | * @throws UnknownCurrencyException Almost impossible – unless the Money library cannot use a Currency object it created. |
| 27 | * @throws JsonException If the API returns malformed JSON. |
| 28 | */ |
| 29 | public function get_exchange_rate( Currency $currency ): Money; |
| 30 | } |