From: Jeffrey Czyz <jkczyz@gmail.com>
Date: Thu, 6 Apr 2023 14:47:45 +0000 (-0500)
Subject: Expose a BOLT 11 Invoice's signable_hash
X-Git-Tag: v0.0.115~31^2~1
X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=821c79da981a708f1a767d762f50db820e04444a;p=rust-lightning

Expose a BOLT 11 Invoice's signable_hash

Otherwise, an Invoice must first be converted to a SignedRawInvoice to
obtain the hash.
---

diff --git a/lightning-invoice/src/lib.rs b/lightning-invoice/src/lib.rs
index 0c73ebc9d..523777455 100644
--- a/lightning-invoice/src/lib.rs
+++ b/lightning-invoice/src/lib.rs
@@ -1026,6 +1026,11 @@ impl From<PositiveTimestamp> for SystemTime {
 }
 
 impl Invoice {
+	/// The hash of the [`RawInvoice`] that was signed.
+	pub fn signable_hash(&self) -> [u8; 32] {
+		self.signed_invoice.hash
+	}
+
 	/// Transform the `Invoice` into it's unchecked version
 	pub fn into_signed_raw(self) -> SignedRawInvoice {
 		self.signed_invoice