From: Matt Corallo <git@bluematt.me>
Date: Tue, 25 Apr 2023 17:35:24 +0000 (+0000)
Subject: Add a bindings constructor for `lightning-invoice`'s `Sha256` wrapper
X-Git-Tag: v0.0.116-alpha1~66^2
X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=53c48c1c8f3f2145cff01e96f0912bbf7e4e4537;p=rust-lightning

Add a bindings constructor for `lightning-invoice`'s `Sha256` wrapper
---

diff --git a/lightning-invoice/src/lib.rs b/lightning-invoice/src/lib.rs
index 0923fcc1..101051b5 100644
--- a/lightning-invoice/src/lib.rs
+++ b/lightning-invoice/src/lib.rs
@@ -455,6 +455,15 @@ pub enum TaggedField {
 pub struct Sha256(/// This is not exported to bindings users as the native hash types are not currently mapped
 	pub sha256::Hash);
 
+impl Sha256 {
+	/// Constructs a new [`Sha256`] from the given bytes, which are assumed to be the output of a
+	/// single sha256 hash.
+	#[cfg(c_bindings)]
+	pub fn from_bytes(bytes: &[u8; 32]) -> Self {
+		Self(sha256::Hash::from_slice(bytes).expect("from_slice only fails if len is not 32"))
+	}
+}
+
 /// Description string
 ///
 /// # Invariants