From 3e16a91f22fdab0e4eaad1539f6accced2c52b3c Mon Sep 17 00:00:00 2001
From: Lud <lud@reinmiedl.com>
Date: Tue, 18 Jul 2023 18:12:36 +0200
Subject: [PATCH] OXR bank uses nilable Floats :vomit:

---
 lib/money/distributed/storage.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/money/distributed/storage.rb b/lib/money/distributed/storage.rb
index d4407d0..08f1883 100644
--- a/lib/money/distributed/storage.rb
+++ b/lib/money/distributed/storage.rb
@@ -30,10 +30,13 @@ def initialize(redis, cache_ttl = nil)
         params(
           iso_from: String,
           iso_to: String,
-          rate: BigDecimal,
+          rate: T.nilable(Numeric),
         ).void
       end
       def add_rate(iso_from, iso_to, rate)
+        # other gems, e.g. "money-open-exchange-rates", may return nil and use Float
+        return if rate.nil?
+
         @redis.exec do |r|
           r.hset(REDIS_KEY, key_for(iso_from, iso_to), rate.to_s)
         end