Impl PartialOrd and Ord for Invoice

Author: benthecarman

lightning-invoice/src/lib.rs

@@ -253,6 +253,18 @@ pub struct Invoice {
 	signed_invoice: SignedRawInvoice,
 }
 
+impl PartialOrd for Invoice {
+	fn partial_cmp(&self, other: &Self) -> Option<core::cmp::Ordering> {
+		self.to_string().partial_cmp(&other.to_string())
+	}
+}
+
+impl Ord for Invoice {
+	fn cmp(&self, other: &Self) -> core::cmp::Ordering {
+		self.to_string().cmp(&other.to_string())
+	}
+}
+
 /// Represents the description of an invoice which has to be either a directly included string or
 /// a hash of a description provided out of band.
 ///