f - add comment about cursor check

jkczyz · jkczyz · commit b9fcc37f5a88 · 2022-11-16T22:03:15.000-06:00
diff --git a/lightning/src/offers/parse.rs b/lightning/src/offers/parse.rs
@@ -68,6 +68,7 @@ impl<T: SeekReadable> TryFrom<Vec<u8>> for ParsedMessage<T> {
 		let mut cursor = io::Cursor::new(bytes);
 		let tlv_stream: T = SeekReadable::read(&mut cursor)?;
 
+		// Ensure that there are no more TLV records left to parse.
 		if cursor.position() < cursor.get_ref().len() as u64 {
 			return Err(DecodeError::InvalidValue);
 		}

Original file line number	Diff line number	Diff line change
`@@ -68,6 +68,7 @@ impl<T: SeekReadable> TryFrom<Vec<u8>> for ParsedMessage<T> {`
`68`	`68`	`let mut cursor = io::Cursor::new(bytes);`
`69`	`69`	`let tlv_stream: T = SeekReadable::read(&mut cursor)?;`
`70`	`70`
	`71`	`+ // Ensure that there are no more TLV records left to parse.`
`71`	`72`	`if cursor.position() < cursor.get_ref().len() as u64 {`
`72`	`73`	`return Err(DecodeError::InvalidValue);`
`73`	`74`	`}`