From 6abcb181457d1b52da8374ca714ff8ff0ba354c7 Mon Sep 17 00:00:00 2001
From: elsirion <elsirion@protonmail.com>
Date: Fri, 13 May 2022 22:23:34 +0000
Subject: [PATCH] Add basic arithmetic to `Amount` type

---
 cln-rpc/src/primitives.rs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/cln-rpc/src/primitives.rs b/cln-rpc/src/primitives.rs
index 0987fafde..ea6a03433 100644
--- a/cln-rpc/src/primitives.rs
+++ b/cln-rpc/src/primitives.rs
@@ -78,6 +78,26 @@ impl Amount {
     }
 }
 
+impl std::ops::Add for Amount {
+    type Output = Amount;
+
+    fn add(self, rhs: Self) -> Self::Output {
+        Amount {
+            msat: self.msat + rhs.msat
+        }
+    }
+}
+
+impl std::ops::Sub for Amount {
+    type Output = Amount;
+
+    fn sub(self, rhs: Self) -> Self::Output {
+        Amount {
+            msat: self.msat - rhs.msat
+        }
+    }
+}
+
 #[derive(Clone, Copy, Debug)]
 pub struct ShortChannelId(u64);