Using postcard

Cargo.lock

@@ -2264,6 +2264,18 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "embedded-io"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef1a6892d9eef45c8fa6b9e0086428a2cca8491aca8f787c534a3d6d0bcb3ced"
+
+[[package]]
+name = "embedded-io"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edd0f118536f44f5ccd48bcb8b111bdc3de888b58c74639dfb034a357d0f206d"
+
 [[package]]
 name = "encoding_rs"
 version = "0.8.35"
@@ -3740,6 +3752,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6764c3b5dd454e283a30e6dfe78e9b31096d9e32036b5d1eaac7a6119ccb9a24"
 dependencies = [
  "cobs",
+ "embedded-io 0.4.0",
+ "embedded-io 0.6.1",
  "heapless",
  "serde",
 ]
@@ -3958,7 +3972,9 @@ name = "pulse-wire"
 version = "0.1.0-alpha.0"
 dependencies = [
  "hypersdk",
+ "postcard",
  "serde",
+ "tokio",
 ]
 
 [[package]]

Cargo.toml

@@ -29,7 +29,7 @@ toml = "1.1.3"
 members = ["pulse-ui", "pulse-wire"]
 
 [workspace.dependencies]
-postcard = "1.1.3"
+postcard = { version = "1.1.3", features = ["alloc"]}
 pulse-ui = { path = "pulse-ui", version = "0.1.0-alpha.0" }
 pulse-wire = { path = "pulse-wire", version = "0.1.0-alpha.0" }
 hypersdk = "0.2.14"

pulse-wire/Cargo.toml

@@ -6,3 +6,5 @@ edition = "2024"
 [dependencies]
 serde = { workspace = true }
 hypersdk = { workspace = true }
+postcard = { workspace = true }
+tokio = { workspace = true }

pulse-wire/src/general.rs

@@ -1,13 +1,13 @@
 use crate::units::{Direction, Symbol, USD};
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub enum MarketTrend {
     Bullish,
     Bearish,
     Neutral,
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub enum LogKind {
     Info,
     Warn,
@@ -15,7 +15,7 @@ pub enum LogKind {
     Debug,
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub struct Signal {
     pub symbol: String,
     pub kind: Direction,
@@ -26,14 +26,14 @@ pub struct Signal {
     pub stop_loss: USD,
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub struct EventLog {
     pub kind: LogKind,
     pub name: String,
     pub message: String,
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub struct Position {
     pub symbol: Symbol,
     pub size: f64,

pulse-wire/src/lib.rs

@@ -19,3 +19,7 @@ pub mod prelude {
 pub fn server_path() -> PathBuf {
     PathBuf::from("/tmp/pulse-engine.sock")
 }
+
+pub fn map_postcard_err<T>(res: postcard::Result<T>) -> tokio::io::Result<T> {
+    res.map_err(|e| tokio::io::Error::new(std::io::ErrorKind::Other, e))
+}

pulse-wire/src/plugin.rs

@@ -1,34 +1,30 @@
 use crate::{
-    PulseWire,
     general::{EventLog, Signal},
     terminal::MarketItem,
     units::Direction,
 };
 use hypersdk::hypercore::{Candle, CandleInterval, Subscription};
-use pulse_macros::pwp;
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
-#[derive(serde::Deserialize, serde::Serialize)]
 pub struct StrategyManifest {
-    name: String,
+    pub name: String,
-    description: String,
+    pub description: String,
-    author: String,
+    pub author: String,
-    version: String,
+    pub version: String,
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
-#[derive(serde::Deserialize, serde::Serialize)]
 pub struct RiskManifest {
-    name: String,
+    pub name: String,
-    description: String,
+    pub description: String,
-    author: String,
+    pub author: String,
-    version: String,
+    pub version: String,
 
-    max_loss: u8,
+    pub max_loss: u8,
-    cooldown: CandleInterval,
+    pub cooldown: CandleInterval,
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub enum StrategyMessage {
     Log(EventLog),
 
@@ -49,7 +45,7 @@ pub enum StrategyMessage {
     Signal(StrategySignal),
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub enum RiskMessage {
     Log(EventLog),
 
@@ -60,7 +56,7 @@ pub enum RiskMessage {
     Reject { reason: String },
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub enum StrategyEngineMessage {
     Initialize,
 
@@ -84,7 +80,7 @@ pub enum StrategyEngineMessage {
     },
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub enum RiskEngineMessage {
     Initialize,
 
@@ -95,7 +91,7 @@ pub enum RiskEngineMessage {
     Signal(StrategySignal),
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub struct StrategySignal {
     pub symbol: String,
     pub side: Direction,

pulse-wire/src/terminal.rs

@@ -1,13 +1,11 @@
 use crate::{
-    PulseWire,
     general::{EventLog, MarketTrend, Position, Signal},
     plugin::{RiskManifest, StrategyManifest},
     units::{Symbol, USD, Volatility},
 };
 use hypersdk::hypercore::CandleInterval;
-use pulse_macros::pwp;
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub enum TerminalServerMessage {
     // WatchList
     WatchListUpdated(Vec<MarketItem>),
@@ -32,12 +30,12 @@ pub enum TerminalServerMessage {
     AddLog(EventLog),
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub enum TerminalClientMessage {
     ExecuteCommand(String),
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub struct MarketItem {
     pub symbol: Symbol,
     pub price: USD,
@@ -45,7 +43,7 @@ pub struct MarketItem {
     pub volume_24h: USD,
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub struct MarketOverview {
     pub trend: MarketTrend,
     pub volatility: Volatility,
@@ -53,32 +51,32 @@ pub struct MarketOverview {
     pub alerts: Vec<Alert>,
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub enum AlertLevel {
     High,
     Medium,
     Low,
 }
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub struct Alert {
-    level: AlertLevel,
+    pub level: AlertLevel,
-    message: String,
+    pub message: String,
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub struct Balance {
     pub asset: String,
     pub amount: f64,
     pub value: f64,
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub enum InspectTarget {
     None,
     Some(Vec<InspectItem>),
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub enum InspectItem {
     String(String),
     Symbol(String),
@@ -86,35 +84,35 @@ pub enum InspectItem {
     F64(f64),
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub struct Status {
-    feed: Mode,
+    pub feed: Mode,
-    exchange: String,
+    pub exchange: String,
-    dex: String,
+    pub dex: String,
-    latency: u16,
+    pub latency: u16,
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub enum Mode {
     Auto,
     Manual,
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub enum ItemState {
     Running,
     Stopped,
     Error,
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub struct Strategy {
-    strategy: StrategyManifest,
+    pub strategy: StrategyManifest,
-    risk: RiskManifest,
+    pub risk: RiskManifest,
 
-    mode: Mode,
+    pub mode: Mode,
-    state: ItemState,
+    pub state: ItemState,
-    cooldown: CandleInterval,
+    pub cooldown: CandleInterval,
 }
 
 impl std::fmt::Display for AlertLevel {

pulse-wire/src/units.rs

@@ -1,20 +1,16 @@
-use pulse_macros::pwp;
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
-
-use crate::PulseWire;
-
-#[derive(Debug, Clone)]
 pub struct Symbol(pub String);
 
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, serde::Serialize, serde::Deserialize)]
 pub struct USD(pub f64);
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub enum Direction {
     Buy,
     Sell,
 }
 
-#[pwp]
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
 pub enum Volatility {
     Low,
     Medium,
@@ -37,26 +33,6 @@ impl std::fmt::Display for USD {
     }
 }
 
-impl PulseWire for Symbol {
-    fn from_com(com: &mut Vec<u8>) -> Self {
-        Self(String::from_com(com))
-    }
-
-    fn to_com(&self) -> Vec<u8> {
-        self.0.to_com()
-    }
-}
-
-impl PulseWire for USD {
-    fn from_com(com: &mut Vec<u8>) -> Self {
-        Self(f64::from_com(com))
-    }
-
-    fn to_com(&self) -> Vec<u8> {
-        self.0.to_com()
-    }
-}
-
 pub fn format_f64(value: f64) -> String {
     let abs = value.abs();
 

src/engine/engine/plugin.rs

@@ -166,11 +166,11 @@ impl StrategyEngine {
                 None => {}
 
                 Some(RiskMessage::GetWatchList) => {
-                    let mut v = vec![1];
+                    self.risk
-
+                        .send(&&RiskEngineMessage::WatchList(
-                    v.extend(engine.config.lock().await.watchlist.to_com());
+                            engine.watch_list.lock().await.clone(),
-
+                        ))
-                    self.risk.send_raw(&v).await?;
+                        .await?;
                 }
 
                 Some(RiskMessage::Log(mut log)) => {

src/engine/store/plugin.rs

@@ -1,16 +1,14 @@
 use std::marker::PhantomData;
 
-use pulse_wire::PulseWire;
+use pulse_wire::map_postcard_err;
-
+use serde::{Deserialize, Serialize};
-use serde::Deserialize;
 use tokio::{
     io::{AsyncReadExt, AsyncWriteExt},
     process::{Child, ChildStdout},
     sync::Mutex,
 };
-
 #[derive(Debug)]
-pub struct Plugin<S: PulseWire, R: PulseWire, M: for<'de> Deserialize<'de>> {
+pub struct Plugin<S: Serialize, R: for<'de> Deserialize<'de>, M: for<'de> Deserialize<'de>> {
     pub manifest: Mutex<M>,
     pub stdout: Mutex<ChildStdout>,
     pub process: Mutex<Child>,
@@ -18,7 +16,7 @@ pub struct Plugin<S: PulseWire, R: PulseWire, M: for<'de> Deserialize<'de>> {
     pub _p: (PhantomData<S>, PhantomData<R>),
 }
 
-impl<S: PulseWire, R: PulseWire, M: for<'de> Deserialize<'de>> Plugin<S, R, M> {
+impl<S: Serialize, R: for<'de> Deserialize<'de>, M: for<'de> Deserialize<'de>> Plugin<S, R, M> {
     pub fn new(mut child: Child, manifest: M) -> Self {
         Self {
             stdout: Mutex::new(child.stdout.take().expect("Failed to obtain child stdout")),
@@ -45,11 +43,12 @@ impl<S: PulseWire, R: PulseWire, M: for<'de> Deserialize<'de>> Plugin<S, R, M> {
 
         stdout.read_exact(&mut buffer).await?;
 
-        Ok(Some(R::from_com(&mut buffer)))
+        Ok(Some(map_postcard_err(postcard::from_bytes(&buffer))?))
     }
 
     pub async fn send(&self, msg: &S) -> tokio::io::Result<()> {
-        self.send_raw(&msg.to_com()).await
+        self.send_raw(&map_postcard_err(postcard::to_allocvec(msg))?)
+            .await
     }
 
     pub async fn send_raw(&self, msg: &[u8]) -> tokio::io::Result<()> {

src/engine/terminal.rs

@@ -1,5 +1,5 @@
 use crate::engine::Engine;
-use pulse_wire::prelude::*;
+use pulse_wire::{map_postcard_err, prelude::*};
 use std::{
     collections::HashMap,
     sync::{Arc, Weak},
@@ -104,7 +104,7 @@ impl TerminalServer {
 
             reader.read_exact(&mut buffer).await?;
 
-            match TerminalClientMessage::from_com(&mut buffer) {
+            match map_postcard_err(postcard::from_bytes(&buffer))? {
                 TerminalClientMessage::ExecuteCommand(command) => {
                     let command = command.as_str();
 
@@ -126,7 +126,7 @@ impl TerminalServer {
         self: &Arc<Self>,
         message: pulse_wire::terminal::TerminalServerMessage,
     ) -> tokio::io::Result<()> {
-        let msg = message.to_com();
+        let msg = map_postcard_err(postcard::to_allocvec(&message))?;
 
         let mut clients = self.clients.lock().await;
 
@@ -158,7 +158,7 @@ impl TerminalServer {
                     format!("Client({id}) does not exist"),
                 )
             })?,
-            &message.to_com(),
+            &map_postcard_err(postcard::to_allocvec(&message))?,
         )
         .await
     }

src/terminal/terminal.rs

@@ -1,4 +1,5 @@
-use pulse_wire::prelude::*;
+use pulse_ui::state::State;
+use pulse_wire::{map_postcard_err, prelude::*};
 
 use tokio::{
     io::{AsyncReadExt, AsyncWriteExt},
@@ -29,7 +30,7 @@ impl TerminalClient {
         &mut self,
         message: pulse_wire::terminal::TerminalClientMessage,
     ) -> tokio::io::Result<()> {
-        let msg = message.to_com();
+        let msg = map_postcard_err(postcard::to_allocvec(&message))?;
         self.writer.write(&msg.len().to_le_bytes()).await?;
         self.writer.write(&msg).await?;
         self.writer.flush().await?;
@@ -42,7 +43,7 @@ impl TerminalClient {
 
         std::mem::swap(&mut self.reader, &mut reader);
 
-        let mut reader = reader.expect("Reader failed to swap");
+        let reader = reader.expect("Reader failed to swap");
 
         let watch_list = app.watch_list.clone();
         let active_positions = app.active_positions.clone();
@@ -52,8 +53,33 @@ impl TerminalClient {
         let status = app.status.clone();
         let inspect = app.inspect.clone();
 
-        tokio::spawn(async move {
+        tokio::spawn(Self::run_client(
-            loop {
+            reader,
+            watch_list,
+            active_positions,
+            logs,
+            signals,
+            market_overview,
+            status,
+            inspect,
+        ));
+
+        app.sock = Some(self);
+
+        app
+    }
+
+    pub async fn run_client(
+        mut reader: OwnedReadHalf,
+
+        watch_list: State<Vec<MarketItem>>,
+        active_positions: State<Vec<Position>>,
+        logs: State<Vec<EventLog>>,
+        signals: State<Vec<Signal>>,
+        market_overview: State<Option<Strategy>>,
+        status: State<Option<Status>>,
+        inspect: State<InspectTarget>,
+    ) -> tokio::io::Result<()> {
         let mut len_buf = [0u8; size_of::<usize>()];
         reader
             .read_exact(&mut len_buf)
@@ -69,7 +95,7 @@ impl TerminalClient {
             .await
             .expect("Failed to read socket");
 
-                match TerminalServerMessage::from_com(&mut buffer) {
+        match map_postcard_err(postcard::from_bytes(&buffer))? {
             TerminalServerMessage::WatchListUpdated(v) => {
                 *watch_list.lock().await = v;
             }
@@ -102,11 +128,7 @@ impl TerminalClient {
                 logs.lock().await.push(v);
             }
         }
-            }
-        });
 
-        app.sock = Some(self);
+        Ok(())
-
-        app
     }
 }