nautechsystems/nautilus_trader · error · anyhow::Error

BinanceFuturesWebSocketClient requires UsdM or CoinM product

Error message

BinanceFuturesWebSocketClient requires UsdM or CoinM product type, was {product_type:?}

What it means

Error "BinanceFuturesWebSocketClient requires UsdM or CoinM product type, was {product_type:?}" thrown in nautechsystems/nautilus_trader.

Source

Thrown at crates/adapters/binance/src/futures/websocket/streams/client.rs:139

    ///
    /// # Errors
    ///
    /// Returns an error if:
    /// - `product_type` is not a futures type (UsdM or CoinM).
    /// - Credential creation fails.
    pub fn new(
        product_type: BinanceProductType,
        environment: BinanceEnvironment,
        api_key: Option<String>,
        api_secret: Option<String>,
        url_override: Option<String>,
        heartbeat: Option<u64>,
        transport_backend: TransportBackend,
    ) -> anyhow::Result<Self> {
        match product_type {
            BinanceProductType::UsdM | BinanceProductType::CoinM => {}
            _ => {
                anyhow::bail!(
                    "BinanceFuturesWebSocketClient requires UsdM or CoinM product type, was {product_type:?}"
                );
            }
        }

        let url =
            url_override.unwrap_or_else(|| get_ws_base_url(product_type, environment).to_string());

        let credential = match (api_key, api_secret) {
            (Some(key), Some(secret)) => Some(Arc::new(SigningCredential::new(key, secret))),
            _ => None,
        };

        Ok(Self {
            url,
            product_type,
            credential,
            heartbeat,

View on GitHub (pinned to a4b06ed870)

When it happens

Trigger: Thrown at crates/adapters/binance/src/futures/websocket/streams/client.rs:139 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of nautechsystems/nautilus_trader@a4b06ed870 (2026-08-16). Data as JSON: /api/errors/4d91f649b3ec18a3. Report an issue: GitHub.