From a5a60121b0b9f292a7e8055ec6b7ed00740461d1 Mon Sep 17 00:00:00 2001
From: Pierre Grimaud <grimaud.pierre@gmail.com>
Date: Thu, 3 Aug 2023 10:04:41 +0200
Subject: [PATCH] Fix default currency

---
 src/Bitcoin/Exchange.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Bitcoin/Exchange.php b/src/Bitcoin/Exchange.php
index 3d2a580..f0dff4c 100644
--- a/src/Bitcoin/Exchange.php
+++ b/src/Bitcoin/Exchange.php
@@ -34,7 +34,7 @@ public function __construct(array $parameters = [])
         $exchange = strtolower($parameters['exchange'] ?? '');
         $this->name = in_array($exchange, self::ALLOWED_EXCHANGES) ? $exchange : self::ALLOWED_EXCHANGES[0];
 
-        $currency = $parameters['currency'] ?? '';
+        $currency = $parameters['currency'] ?? 'USD';
         $this->currency = $this->sanitizeCurrency($currency);
 
         $this->showPrice = !isset($parameters['bitcoin']) || (isset($parameters['bitcoin']) && ($parameters['bitcoin'] === 'true' || $parameters['bitcoin'] === ''));