From 10a655b6b110cf5a00916080b993cd3bb33e2376 Mon Sep 17 00:00:00 2001
From: Joost Jager <joost.jager@gmail.com>
Date: Sun, 10 Feb 2019 20:38:36 +0100
Subject: [PATCH] lntypes: add preimage Matches method

---
 lntypes/preimage.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lntypes/preimage.go b/lntypes/preimage.go
index f73d2111..d8b70ab9 100644
--- a/lntypes/preimage.go
+++ b/lntypes/preimage.go
@@ -53,3 +53,8 @@ func MakePreimageFromStr(newPreimage string) (Preimage, error) {
 func (p *Preimage) Hash() Hash {
 	return Hash(sha256.Sum256(p[:]))
 }
+
+// Matches returns whether this preimage is the preimage of the given hash.
+func (p *Preimage) Matches(h Hash) bool {
+	return h == p.Hash()
+}