Merge pull request #2926 from tnull/2024-03-derive-eq-for-offer-refund

Impl `PartialEq`/`Eq` for `Offer`/`Refund`

Author: TheBlueMatt

Diff for: lightning/src/offers/offer.rs

@@ -80,6 +80,7 @@ use bitcoin::blockdata::constants::ChainHash;
 use bitcoin::network::constants::Network;
 use bitcoin::secp256k1::{KeyPair, PublicKey, Secp256k1, self};
 use core::convert::TryFrom;
+use core::hash::{Hash, Hasher};
 use core::num::NonZeroU64;
 use core::ops::Deref;
 use core::str::FromStr;
@@ -363,7 +364,6 @@ impl<'a, M: MetadataStrategy, T: secp256k1::Signing> OfferBuilder<'a, M, T> {
 /// [`InvoiceRequest`]: crate::offers::invoice_request::InvoiceRequest
 /// [`Bolt12Invoice`]: crate::offers::invoice::Bolt12Invoice
 #[derive(Clone, Debug)]
-#[cfg_attr(test, derive(PartialEq))]
 pub struct Offer {
 	// The serialized offer. Needed when creating an `InvoiceRequest` if the offer contains unknown
 	// fields.
@@ -584,6 +584,20 @@ impl AsRef<[u8]> for Offer {
 	}
 }
 
+impl PartialEq for Offer {
+	fn eq(&self, other: &Self) -> bool {
+		self.bytes.eq(&other.bytes)
+	}
+}
+
+impl Eq for Offer {}
+
+impl Hash for Offer {
+	fn hash<H: Hasher>(&self, state: &mut H) {
+		self.bytes.hash(state);
+	}
+}
+
 impl OfferContents {
 	pub fn chains(&self) -> Vec<ChainHash> {
 		self.chains.as_ref().cloned().unwrap_or_else(|| vec![self.implied_chain()])

Diff for: lightning/src/offers/refund.rs

@@ -85,6 +85,7 @@ use bitcoin::blockdata::constants::ChainHash;
 use bitcoin::network::constants::Network;
 use bitcoin::secp256k1::{PublicKey, Secp256k1, self};
 use core::convert::TryFrom;
+use core::hash::{Hash, Hasher};
 use core::ops::Deref;
 use core::str::FromStr;
 use core::time::Duration;
@@ -317,7 +318,6 @@ impl<'a, T: secp256k1::Signing> RefundBuilder<'a, T> {
 /// [`Bolt12Invoice`]: crate::offers::invoice::Bolt12Invoice
 /// [`Offer`]: crate::offers::offer::Offer
 #[derive(Clone, Debug)]
-#[cfg_attr(test, derive(PartialEq))]
 pub struct Refund {
 	pub(super) bytes: Vec<u8>,
 	pub(super) contents: RefundContents,
@@ -539,6 +539,20 @@ impl AsRef<[u8]> for Refund {
 	}
 }
 
+impl PartialEq for Refund {
+	fn eq(&self, other: &Self) -> bool {
+		self.bytes.eq(&other.bytes)
+	}
+}
+
+impl Eq for Refund {}
+
+impl Hash for Refund {
+	fn hash<H: Hasher>(&self, state: &mut H) {
+		self.bytes.hash(state);
+	}
+}
+
 impl RefundContents {
 	pub fn description(&self) -> PrintableString {
 		PrintableString(&self.description)