Change paylod fn signature to return Option

..instead of panicking

benches/benches/src/sv2/criterion_sv2_benchmark.rs

@@ -55,7 +55,7 @@ fn client_sv2_setup_connection_serialize_deserialize(c: &mut Criterion) {
         b.iter(|| {
             let mut frame = StdFrame::from_bytes(black_box(dst.clone().into())).unwrap();
             let type_ = frame.get_header().unwrap().msg_type().clone();
-            let payload = frame.payload();
+            let payload = frame.payload().unwrap();
             let _ = AnyMessage::try_from((type_, payload)).unwrap();
         });
     });
@@ -96,7 +96,7 @@ fn client_sv2_open_channel_serialize_deserialize(c: &mut Criterion) {
         b.iter(|| {
             let mut frame = StdFrame::from_bytes(black_box(dst.clone().into())).unwrap();
             let type_ = frame.get_header().unwrap().msg_type().clone();
-            let payload = frame.payload();
+            let payload = frame.payload().unwrap();
             black_box(AnyMessage::try_from((type_, payload)).unwrap());
         });
     });
@@ -152,7 +152,7 @@ fn client_sv2_mining_message_submit_standard_serialize_deserialize(c: &mut Crite
             b.iter(|| {
                 let mut frame = StdFrame::from_bytes(black_box(dst.clone().into())).unwrap();
                 let type_ = frame.get_header().unwrap().msg_type().clone();
-                let payload = frame.payload();
+                let payload = frame.payload().unwrap();
                 black_box(AnyMessage::try_from((type_, payload)).unwrap());
             });
         },

benches/benches/src/sv2/iai_sv2_benchmark.rs

@@ -47,7 +47,7 @@ fn client_sv2_setup_connection_serialize_deserialize() {
     frame.serialize(&mut dst);
     let mut frame = StdFrame::from_bytes(black_box(dst.clone().into())).unwrap();
     let type_ = frame.get_header().unwrap().msg_type().clone();
-    let payload = frame.payload();
+    let payload = frame.payload().unwrap();
     black_box(AnyMessage::try_from((type_, payload)));
 }
 
@@ -78,7 +78,7 @@ fn client_sv2_open_channel_serialize_deserialize() {
     frame.serialize(&mut dst);
     let mut frame = StdFrame::from_bytes(black_box(dst.clone().into())).unwrap();
     let type_ = frame.get_header().unwrap().msg_type().clone();
-    let payload = frame.payload();
+    let payload = frame.payload().unwrap();
     black_box(AnyMessage::try_from((type_, payload)));
 }
 
@@ -128,7 +128,7 @@ fn client_sv2_mining_message_submit_standard_serialize_deserialize() {
     frame.serialize(&mut dst);
     let mut frame = StdFrame::from_bytes(black_box(dst.clone().into())).unwrap();
     let type_ = frame.get_header().unwrap().msg_type().clone();
-    let payload = frame.payload();
+    let payload = frame.payload().unwrap();
     black_box(AnyMessage::try_from((type_, payload)));
 }
 

examples/interop-cpp/src/main.rs

@@ -127,7 +127,7 @@ mod main_ {
                 stream.read_exact(buffer).unwrap();
                 if let Ok(mut f) = decoder.next_frame() {
                     let msg_type = f.get_header().unwrap().msg_type();
-                    let payload = f.payload();
+                    let payload = f.payload().unwrap();
                     let message: Sv2Message = (msg_type, payload).try_into().unwrap();
                     match message {
                         Sv2Message::SetupConnection(_) => panic!(),

examples/ping-pong-with-noise/src/node.rs

@@ -99,7 +99,7 @@ impl Node {
     ) -> Message<'static> {
         match self.expected {
             Expected::Ping => {
-                let ping: Result<Ping, _> = from_bytes(frame.payload());
+                let ping: Result<Ping, _> = from_bytes(frame.payload().unwrap());
                 match ping {
                     Ok(ping) => {
                         println!("Node {} received:", self.name);
@@ -118,7 +118,7 @@ impl Node {
                 }
             }
             Expected::Pong => {
-                let pong: Result<Pong, _> = from_bytes(frame.payload());
+                let pong: Result<Pong, _> = from_bytes(frame.payload().unwrap());
                 match pong {
                     Ok(pong) => {
                         println!("Node {} received:", self.name);

examples/ping-pong-without-noise/src/node.rs

@@ -87,7 +87,7 @@ impl Node {
     ) -> Message<'static> {
         match self.expected {
             Expected::Ping => {
-                let ping: Result<Ping, _> = from_bytes(frame.payload());
+                let ping: Result<Ping, _> = from_bytes(frame.payload().unwrap());
                 match ping {
                     Ok(ping) => {
                         println!("Node {} received:", self.name);
@@ -107,7 +107,7 @@ impl Node {
                 }
             }
             Expected::Pong => {
-                let pong: Result<Pong, _> = from_bytes(frame.payload());
+                let pong: Result<Pong, _> = from_bytes(frame.payload().unwrap());
                 match pong {
                     Ok(pong) => {
                         println!("Node {} received:", self.name);

protocols/v2/framing-sv2/src/framing.rs

@@ -84,10 +84,10 @@ impl<T: Serialize + GetSize, B: AsMut<[u8]> + AsRef<[u8]>> Sv2Frame<T, B> {
     /// This function is only intended as a fast way to get a reference to an
     /// already serialized payload. If the frame has not yet been
     /// serialized, this function should never be used (it will panic).
-    pub fn payload(&mut self) -> &mut [u8] {
+    pub fn payload(&mut self) -> Option<&mut [u8]> {
         match self {
-            Sv2Frame::Raw { serialized, .. } => &mut serialized.as_mut()[Header::SIZE..],
-            Sv2Frame::Payload { .. } => panic!("fixme"),
+            Sv2Frame::Raw { serialized, .. } => Some(&mut serialized.as_mut()[Header::SIZE..]),
+            Sv2Frame::Payload { .. } => None
         }
     }
 

protocols/v2/sv2-ffi/src/lib.rs

@@ -469,7 +469,10 @@ pub extern "C" fn next_frame(decoder: *mut DecoderWrapper) -> CResult<CSv2Messag
                 Some(header) => header.msg_type(),
                 None => return CResult::Err(Sv2Error::InvalidSv2Frame),
             };
-            let payload = f.payload();
+            let payload = match f.payload() {
+                Some(payload) => payload,
+                None => return CResult::Err(Sv2Error::InvalidSv2Frame),
+            };
             let len = payload.len();
             let ptr = payload.as_mut_ptr();
             let payload = unsafe { std::slice::from_raw_parts_mut(ptr, len) };
@@ -761,7 +764,7 @@ mod tests {
         let mut decoded = decoder.next_frame().unwrap();
 
         let msg_type = decoded.get_header().unwrap().msg_type();
-        let payload = decoded.payload();
+        let payload = decoded.payload().unwrap();
         let decoded_message: Sv2Message = (msg_type, payload).try_into().unwrap();
         let decoded_message = match decoded_message {
             Sv2Message::CoinbaseOutputDataSize(m) => m,
@@ -813,7 +816,7 @@ mod tests {
 
         // Extract payload of the frame which is the NewTemplate message
         let msg_type = decoded.get_header().unwrap().msg_type();
-        let payload = decoded.payload();
+        let payload = decoded.payload().unwrap();
         let decoded_message: Sv2Message = (msg_type, payload).try_into().unwrap();
         let decoded_message = match decoded_message {
             Sv2Message::NewTemplate(m) => m,
@@ -861,7 +864,7 @@ mod tests {
         let mut decoded = decoder.next_frame().unwrap();
 
         let msg_type = decoded.get_header().unwrap().msg_type();
-        let payload = decoded.payload();
+        let payload = decoded.payload().unwrap();
         let decoded_message: Sv2Message = (msg_type, payload).try_into().unwrap();
         let decoded_message = match decoded_message {
             Sv2Message::RequestTransactionData(m) => m,
@@ -911,7 +914,7 @@ mod tests {
         let mut decoded = decoder.next_frame().unwrap();
 
         let msg_type = decoded.get_header().unwrap().msg_type();
-        let payload = decoded.payload();
+        let payload = decoded.payload().unwrap();
         let decoded_message: Sv2Message = (msg_type, payload).try_into().unwrap();
         let decoded_message = match decoded_message {
             Sv2Message::RequestTransactionDataError(m) => m,
@@ -961,7 +964,7 @@ mod tests {
         let mut decoded = decoder.next_frame().unwrap();
 
         let msg_type = decoded.get_header().unwrap().msg_type();
-        let payload = decoded.payload();
+        let payload = decoded.payload().unwrap();
         let decoded_message: Sv2Message = (msg_type, payload).try_into().unwrap();
         let decoded_message = match decoded_message {
             Sv2Message::RequestTransactionDataSuccess(m) => m,
@@ -1006,7 +1009,7 @@ mod tests {
         let mut decoded = decoder.next_frame().unwrap();
 
         let msg_type = decoded.get_header().unwrap().msg_type();
-        let payload = decoded.payload();
+        let payload = decoded.payload().unwrap();
         let decoded_message: Sv2Message = (msg_type, payload).try_into().unwrap();
         let decoded_message = match decoded_message {
             Sv2Message::SetNewPrevHash(m) => m,
@@ -1051,7 +1054,7 @@ mod tests {
         let mut decoded = decoder.next_frame().unwrap();
 
         let msg_type = decoded.get_header().unwrap().msg_type();
-        let payload = decoded.payload();
+        let payload = decoded.payload().unwrap();
         let decoded_message: Sv2Message = (msg_type, payload).try_into().unwrap();
         let decoded_message = match decoded_message {
             Sv2Message::SubmitSolution(m) => m,
@@ -1109,7 +1112,7 @@ mod tests {
         let mut decoded = decoder.next_frame().unwrap();
 
         let msg_type = decoded.get_header().unwrap().msg_type();
-        let payload = decoded.payload();
+        let payload = decoded.payload().unwrap();
         let decoded_message: Sv2Message = (msg_type, payload).try_into().unwrap();
         let decoded_message = match decoded_message {
             Sv2Message::ChannelEndpointChanged(m) => m,
@@ -1145,7 +1148,7 @@ mod tests {
         let mut decoded = decoder.next_frame().unwrap();
 
         let msg_type = decoded.get_header().unwrap().msg_type();
-        let payload = decoded.payload();
+        let payload = decoded.payload().unwrap();
         let decoded_message: Sv2Message = (msg_type, payload).try_into().unwrap();
         let decoded_message = match decoded_message {
             Sv2Message::SetupConnection(m) => m,
@@ -1194,7 +1197,7 @@ mod tests {
         let mut decoded = decoder.next_frame().unwrap();
 
         let msg_type = decoded.get_header().unwrap().msg_type();
-        let payload = decoded.payload();
+        let payload = decoded.payload().unwrap();
         let decoded_message: Sv2Message = (msg_type, payload).try_into().unwrap();
         let decoded_message = match decoded_message {
             Sv2Message::SetupConnectionError(m) => m,
@@ -1243,7 +1246,7 @@ mod tests {
         let mut decoded = decoder.next_frame().unwrap();
 
         let msg_type = decoded.get_header().unwrap().msg_type();
-        let payload = decoded.payload();
+        let payload = decoded.payload().unwrap();
         let decoded_message: Sv2Message = (msg_type, payload).try_into().unwrap();
         let decoded_message = match decoded_message {
             Sv2Message::SetupConnectionSuccess(m) => m,

roles/jd-client/src/lib/downstream.rs

@@ -253,7 +253,7 @@ impl DownstreamMiningNode {
     /// Parse the received message and relay it to the right upstream
     pub async fn next(self_mutex: &Arc<Mutex<Self>>, mut incoming: StdFrame) {
         let message_type = incoming.get_header().unwrap().msg_type();
-        let payload = incoming.payload();
+        let payload = incoming.payload().unwrap();
 
         let routing_logic = roles_logic_sv2::routing_logic::MiningRoutingLogic::None;
 
@@ -698,7 +698,7 @@ pub async fn listen_for_downstream_mining(
 
         let mut incoming: StdFrame = node.receiver.recv().await.unwrap().try_into().unwrap();
         let message_type = incoming.get_header().unwrap().msg_type();
-        let payload = incoming.payload();
+        let payload = incoming.payload().unwrap();
         let routing_logic = roles_logic_sv2::routing_logic::CommonRoutingLogic::None;
         let node = Arc::new(Mutex::new(node));
         if let Some(upstream) = upstream {

roles/jd-client/src/lib/job_declarator/mod.rs

@@ -293,7 +293,7 @@ impl JobDeclarator {
                 loop {
                     let mut incoming: StdFrame = receiver.recv().await.unwrap().try_into().unwrap();
                     let message_type = incoming.get_header().unwrap().msg_type();
-                    let payload = incoming.payload();
+                    let payload = incoming.payload().unwrap();
                     let next_message_to_send =
                         ParseServerJobDeclarationMessages::handle_message_job_declaration(
                             self_mutex.clone(),

roles/jd-client/src/lib/job_declarator/setup_connection.rs

@@ -58,7 +58,7 @@ impl SetupConnectionHandler {
         let mut incoming: StdFrame = receiver.recv().await.unwrap().try_into().unwrap();
 
         let message_type = incoming.get_header().unwrap().msg_type();
-        let payload = incoming.payload();
+        let payload = incoming.payload().unwrap();
         ParseUpstreamCommonMessages::handle_message_common(
             Arc::new(Mutex::new(SetupConnectionHandler {})),
             message_type,

roles/jd-client/src/lib/template_receiver/mod.rs

@@ -187,7 +187,7 @@ impl TemplateRx {
                     let mut frame: StdFrame =
                         handle_result!(tx_status.clone(), received.try_into());
                     let message_type = frame.get_header().unwrap().msg_type();
-                    let payload = frame.payload();
+                    let payload = frame.payload().expect("No payload set");
 
                     let next_message_to_send =
                         ParseServerTemplateDistributionMessages::handle_message_template_distribution(

roles/jd-client/src/lib/template_receiver/setup_connection.rs

@@ -54,7 +54,7 @@ impl SetupConnectionHandler {
             .try_into()
             .expect("Failed to parse incoming SetupConnectionResponse");
         let message_type = incoming.get_header().unwrap().msg_type();
-        let payload = incoming.payload();
+        let payload = incoming.payload().unwrap();
         ParseUpstreamCommonMessages::handle_message_common(
             Arc::new(Mutex::new(SetupConnectionHandler {})),
             message_type,

roles/jd-client/src/lib/upstream_sv2/upstream.rs

@@ -237,7 +237,12 @@ impl Upstream {
             return Err(framing_sv2::Error::ExpectedHandshakeFrame.into());
         };
         // Gets the message payload
-        let payload = incoming.payload();
+        let payload = match incoming.payload() {
+		  Some(payload) => payload,
+		  None => {
+			return Err(framing_sv2::Error::ExpectedHandshakeFrame.into());
+		  }
+		};
 
         // Handle the incoming message (should be either `SetupConnectionSuccess` or
         // `SetupConnectionError`)
@@ -333,7 +338,7 @@ impl Upstream {
 
                     let message_type = handle_result!(tx_status, message_type).msg_type();
 
-                    let payload = incoming.payload();
+                    let payload = incoming.payload().expect("Payload not found");
 
                     // Since this is not communicating with an SV2 proxy, but instead a custom SV1
                     // proxy where the routing logic is handled via the `Upstream`'s communication

roles/jd-server/src/lib/job_declarator/mod.rs

@@ -206,7 +206,15 @@ impl JobDeclaratorDownstream {
                             .ok_or_else(|| JdsError::Custom(String::from("No header set")));
                         let header = handle_result!(tx_status, header);
                         let message_type = header.msg_type();
-                        let payload = frame.payload();
+                        let payload = match frame.payload() {
+                            Some(p) => p,
+                            None => {
+                                handle_result!(
+                                    tx_status,
+                                    Err(JdsError::Custom("No payload set".to_string()))
+                                )
+                            }
+                        };
                         let next_message_to_send =
                             ParseClientJobDeclarationMessages::handle_message_job_declaration(
                                 self_mutex.clone(),

roles/mining-proxy/src/lib/downstream_mining.rs

@@ -229,7 +229,7 @@ impl DownstreamMiningNode {
     /// Parse the received message and relay it to the right upstream
     pub async fn next(self_mutex: Arc<Mutex<Self>>, mut incoming: StdFrame) {
         let message_type = incoming.get_header().unwrap().msg_type();
-        let payload = incoming.payload();
+        let payload = incoming.payload().unwrap();
 
         let routing_logic = super::get_routing_logic();
 
@@ -500,7 +500,7 @@ pub async fn listen_for_downstream_mining(address: SocketAddr) {
         task::spawn(async move {
             let mut incoming: StdFrame = node.receiver.recv().await.unwrap().try_into().unwrap();
             let message_type = incoming.get_header().unwrap().msg_type();
-            let payload = incoming.payload();
+            let payload = incoming.payload().unwrap();
             let routing_logic = super::get_common_routing_logic();
             let node = Arc::new(Mutex::new(node));
 

roles/mining-proxy/src/lib/upstream_mining.rs

@@ -412,7 +412,7 @@ impl UpstreamMiningNode {
                     .unwrap();
 
                 let message_type = response.get_header().unwrap().msg_type();
-                let payload = response.payload();
+                let payload = response.payload().unwrap();
                 match (message_type, payload).try_into() {
                     Ok(CommonMessages::SetupConnectionSuccess(_)) => {
                         let receiver = self_mutex
@@ -578,7 +578,7 @@ impl UpstreamMiningNode {
 
     pub async fn next(self_mutex: Arc<Mutex<Self>>, mut incoming: StdFrame) {
         let message_type = incoming.get_header().unwrap().msg_type();
-        let payload = incoming.payload();
+        let payload = incoming.payload().unwrap();
 
         let routing_logic = super::get_routing_logic();
 
@@ -616,7 +616,7 @@ impl UpstreamMiningNode {
             .unwrap();
 
         let message_type = response.get_header().unwrap().msg_type();
-        let payload = response.payload();
+        let payload = response.payload().unwrap();
         match (message_type, payload).try_into() {
             Ok(CommonMessages::SetupConnectionSuccess(m)) => {
                 let receiver = self_mutex

roles/pool/src/lib/mining_pool/mod.rs

@@ -204,7 +204,10 @@ impl Downstream {
             .get_header()
             .ok_or_else(|| PoolError::Custom(String::from("No header set")))?
             .msg_type();
-        let payload = incoming.payload();
+        let payload = match incoming.payload() {
+            Some(p) => p,
+            None => return Err(PoolError::Custom(String::from("No payload set")).into()),
+        };
         debug!(
             "Received downstream message type: {:?}, payload: {:?}",
             message_type, payload

roles/pool/src/lib/mining_pool/setup_connection.rs

@@ -62,7 +62,10 @@ impl SetupConnectionHandler {
             .get_header()
             .ok_or_else(|| PoolError::Custom(String::from("No header set")))?
             .msg_type();
-        let payload = incoming.payload();
+        let payload = match incoming.payload() {
+            Some(p) => p,
+            None => return Err(PoolError::Custom(String::from("No payload set")).into()),
+        };
         let response = ParseDownstreamCommonMessages::handle_message_common(
             self_.clone(),
             message_type,