chore(papyrus_p2p_sync): create internal blocks senders and receivers…

… structs

crates/papyrus_p2p_sync/src/client/mod.rs

@@ -18,7 +18,7 @@ use std::collections::BTreeMap;
 use std::time::Duration;
 
 use class::ClassStreamBuilder;
-use futures::channel::mpsc::SendError;
+use futures::channel::mpsc::{Receiver, SendError, Sender};
 use futures::stream::BoxStream;
 use futures::Stream;
 use header::HeaderStreamBuilder;
@@ -38,8 +38,9 @@ use papyrus_protobuf::sync::{
 };
 use papyrus_storage::{StorageError, StorageReader, StorageWriter};
 use serde::{Deserialize, Serialize};
-use starknet_api::block::BlockNumber;
+use starknet_api::block::{BlockBody, BlockNumber};
 use starknet_api::core::ClassHash;
+use starknet_api::state::{DeclaredClasses, DeprecatedDeclaredClasses, ThinStateDiff};
 use starknet_api::transaction::FullTransaction;
 use starknet_state_sync_types::state_sync_types::SyncBlock;
 use state_diff::StateDiffStreamBuilder;
@@ -172,6 +173,7 @@ impl P2PSyncClientChannels {
         self,
         storage_reader: StorageReader,
         config: P2PSyncClientConfig,
+        _internal_blocks_receivers: InternalBlocksReceivers,
     ) -> impl Stream<Item = DataStreamResult> + Send + 'static {
         let header_stream = HeaderStreamBuilder::create_stream(
             self.header_sender,
@@ -232,12 +234,73 @@ impl P2PSyncClient {
     #[instrument(skip(self), level = "debug", err)]
     pub async fn run(mut self) -> Result<(), P2PSyncClientError> {
         info!("Starting P2P sync client");
-        let mut data_stream =
-            self.p2p_sync_channels.create_stream(self.storage_reader.clone(), self.config);
+
+        let internal_blocks_channels = InternalBlocksChannels::new();
+        self.create_internal_blocks_sender_task(internal_blocks_channels.senders);
+        let mut data_stream = self.p2p_sync_channels.create_stream(
+            self.storage_reader.clone(),
+            self.config,
+            internal_blocks_channels.receivers,
+        );
 
         loop {
             let data = data_stream.next().await.expect("Sync data stream should never end")?;
             data.write_to_storage(&mut self.storage_writer)?;
         }
     }
+
+    fn create_internal_blocks_sender_task(
+        &self,
+        #[allow(unused_variables)] internal_blocks_senders: InternalBlocksSenders,
+    ) -> tokio::task::JoinHandle<()> {
+        tokio::spawn(async move {})
+    }
+}
+
+#[allow(dead_code)]
+pub(crate) struct InternalBlocksReceivers {
+    header_receiver: Receiver<(BlockNumber, SignedBlockHeader)>,
+    state_diff_receiver: Receiver<(BlockNumber, (ThinStateDiff, BlockNumber))>,
+    transaction_receiver: Receiver<(BlockNumber, (BlockBody, BlockNumber))>,
+    #[allow(dead_code)]
+    class_receiver:
+        Receiver<(BlockNumber, (DeclaredClasses, DeprecatedDeclaredClasses, BlockNumber))>,
+}
+
+#[allow(dead_code)]
+struct InternalBlocksSenders {
+    header_sender: Sender<(BlockNumber, SignedBlockHeader)>,
+    state_diff_sender: Sender<(BlockNumber, (ThinStateDiff, BlockNumber))>,
+    transaction_sender: Sender<(BlockNumber, (BlockBody, BlockNumber))>,
+    #[allow(dead_code)]
+    class_sender: Sender<(BlockNumber, (DeclaredClasses, DeprecatedDeclaredClasses, BlockNumber))>,
+}
+
+struct InternalBlocksChannels {
+    receivers: InternalBlocksReceivers,
+    senders: InternalBlocksSenders,
+}
+
+impl InternalBlocksChannels {
+    pub fn new() -> Self {
+        let (header_sender, header_receiver) = futures::channel::mpsc::channel(100);
+        let (state_diff_sender, state_diff_receiver) = futures::channel::mpsc::channel(100);
+        let (transaction_sender, transaction_receiver) = futures::channel::mpsc::channel(100);
+        let (class_sender, class_receiver) = futures::channel::mpsc::channel(100);
+
+        Self {
+            receivers: InternalBlocksReceivers {
+                header_receiver,
+                state_diff_receiver,
+                transaction_receiver,
+                class_receiver,
+            },
+            senders: InternalBlocksSenders {
+                header_sender,
+                state_diff_sender,
+                transaction_sender,
+                class_sender,
+            },
+        }
+    }
 }