<?php namespace Coinbase\Wallet\Value; use Coinbase\Wallet\Enum\CurrencyCode; class Money implements \JsonSerializable { private $amount; private $currency; /** * Creates a new bitcoin money object. * * @return Money A new money instance */ public static function btc($amount) { return new static($amount, CurrencyCode::BTC); } public function __construct($amount, $currency) { $this->amount = (string) $amount; $this->currency = $currency; } public function getAmount() { return $this->amount; } public function getCurrency() { return $this->currency; } /** * @return array */ public function jsonSerialize() { return [ 'amount' => $this->amount, 'currency' => $this->currency, ]; } }