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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,132 @@ | ||
| use std::sync::Arc; | ||
|
|
||
| use anyhow::Result; | ||
| use axum::extract::ws::{Message, WebSocket}; | ||
| use axum::extract::{Query, State, WebSocketUpgrade}; | ||
| use futures_util::stream::SplitSink; | ||
| use futures_util::{SinkExt, StreamExt}; | ||
| use rustc_hash::FxHashMap; | ||
| use serde::{Deserialize, Serialize}; | ||
| use tokio::sync::{mpsc, Mutex}; | ||
| use ton_block::{Deserializable, HashmapAugType, MsgAddressInt}; | ||
| use ton_types::{AccountId, HashmapType}; | ||
|
|
||
| use crate::server::Server; | ||
|
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| #[derive(Serialize, Deserialize)] | ||
| #[serde(rename_all = "camelCase")] | ||
| pub struct WebSocketUpgradeQuery { | ||
| client_id: uuid::Uuid, | ||
| } | ||
|
|
||
| pub async fn ws_router( | ||
| ws: WebSocketUpgrade, | ||
| State(ctx): State<Arc<Server>>, | ||
| Query(query): Query<WebSocketUpgradeQuery>, | ||
| ) -> axum::response::Response { | ||
| ws.on_upgrade(move |socket| handle_socket(query.client_id, ctx, socket)) | ||
| } | ||
|
|
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| async fn handle_socket(client_id: uuid::Uuid, state: Arc<Server>, socket: WebSocket) { | ||
| const BUFFER_SIZE: usize = 100; | ||
| let (tx, rx) = mpsc::channel(BUFFER_SIZE); | ||
|
|
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| let clients = &state.state().ws_producer.clients; | ||
| clients.lock().await.insert(client_id, tx); | ||
|
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| let (sender, mut receiver) = socket.split(); | ||
|
|
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| start_listening_ws_events(client_id, sender, rx); | ||
|
|
||
| while let Some(msg) = receiver.next().await { | ||
| match msg { | ||
| Ok(Message::Close(_)) | Err(_) => { | ||
| tracing::warn!(%client_id, "websocket connection closed"); | ||
| clients.lock().await.remove(&client_id); | ||
| break; | ||
| } | ||
| Ok(_) => {} | ||
| } | ||
| } | ||
| } | ||
|
|
||
| #[derive(Default)] | ||
| pub struct WsProducer { | ||
| clients: Mutex<FxHashMap<uuid::Uuid, mpsc::Sender<Message>>>, | ||
| } | ||
|
|
||
| impl WsProducer { | ||
| pub async fn handle_block(&self, workchain_id: i32, block: &ton_block::Block) -> Result<()> { | ||
| let extra = block.read_extra()?; | ||
| let account_blocks = extra.read_account_blocks()?; | ||
|
|
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| let mut accounts = Vec::with_capacity(account_blocks.len()?); | ||
| account_blocks.iterate_with_keys(|account, value| { | ||
| let mut lt = 0; | ||
| value.transactions().iterate_slices(|_, mut value| { | ||
| let tx_cell = value.checked_drain_reference()?; | ||
| let tx = ton_block::Transaction::construct_from_cell(tx_cell)?; | ||
| if lt < tx.logical_time() { | ||
| lt = tx.logical_time(); | ||
| } | ||
|
|
||
| Ok(true) | ||
| })?; | ||
|
|
||
| let address = | ||
| MsgAddressInt::with_standart(None, workchain_id as i8, AccountId::from(account))?; | ||
|
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| accounts.push(AccountInfo { | ||
| account: nekoton_proto::utils::addr_to_bytes(&address).to_vec(), | ||
| account_lt: lt, | ||
| }); | ||
|
|
||
| Ok(true) | ||
| })?; | ||
|
|
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| let message = bincode::serialize(&accounts)?; | ||
|
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| let mut clients = self.clients.lock().await; | ||
| clients.retain(|client_id, client_tx| { | ||
| let message = Message::Binary(message.clone()); | ||
| match client_tx.try_send(message) { | ||
| Ok(_) => true, | ||
| Err(e) => { | ||
| tracing::error!(%client_id, "failed to send ws message to channel: {e}"); | ||
| false | ||
| } | ||
| } | ||
| }); | ||
|
|
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| Ok(()) | ||
| } | ||
| } | ||
|
|
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| fn start_listening_ws_events( | ||
| client_id: uuid::Uuid, | ||
| mut ws_sender: SplitSink<WebSocket, Message>, | ||
| mut events_rx: mpsc::Receiver<Message>, | ||
| ) { | ||
| tokio::spawn(async move { | ||
| while let Some(message) = events_rx.recv().await { | ||
| if let Err(e) = ws_sender.send(message).await { | ||
| tracing::error!(%client_id, "failed to send message to ws client: {e}"); | ||
| } | ||
| } | ||
|
|
||
| if let Err(e) = ws_sender.close().await { | ||
| tracing::error!(%client_id, "failed to close ws connection: {e}") | ||
| } | ||
|
|
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| tracing::warn!(%client_id, "stopped listening for ws events"); | ||
|
|
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| events_rx.close(); | ||
| while events_rx.recv().await.is_some() {} | ||
| }); | ||
| } | ||
|
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||
| #[derive(Clone, Serialize, Deserialize)] | ||
| struct AccountInfo { | ||
| pub account: Vec<u8>, | ||
| pub account_lt: u64, | ||
| } |