crypto-msg-parser 1.0.1

Parse websocket messages
Documentation 
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mod utils;

#[cfg(test)]
mod trade {
    use crypto_msg_parser::{parse_trade, MarketType, TradeSide};

    #[test]
    fn spot() {
        let raw_msg = r#"{"table":"spot/trade","data":[{"side":"sell","trade_id":"161659503","price":"56593.6","size":"0.00020621","instrument_id":"BTC-USDT","timestamp":"2021-03-22T01:16:28.687Z"}]}"#;
        let trades = &parse_trade("okex", MarketType::Spot, raw_msg).unwrap();

        assert_eq!(trades.len(), 1);
        let trade = &trades[0];

        crate::utils::check_trade_fields("okex", MarketType::Spot, "BTC/USDT".to_string(), trade);

        assert_eq!(trade.volume, trade.price * trade.quantity);
        assert_eq!(trade.side, TradeSide::Sell);
    }

    #[test]
    fn linear_future() {
        let raw_msg = r#"{"table":"futures/trade","data":[{"side":"buy","trade_id":"5430565","price":"60059.7","qty":"20","instrument_id":"BTC-USDT-210625","timestamp":"2021-03-22T01:32:18.087Z"}]}"#;
        let trades = &parse_trade("okex", MarketType::LinearFuture, raw_msg).unwrap();

        assert_eq!(trades.len(), 1);
        let trade = &trades[0];

        crate::utils::check_trade_fields(
            "okex",
            MarketType::LinearFuture,
            "BTC/USDT".to_string(),
            trade,
        );

        assert_eq!(trade.volume, trade.price * trade.quantity);
        assert_eq!(trade.quantity, 0.01 * 20.0);
        assert_eq!(trade.side, TradeSide::Buy);
    }

    #[test]
    fn linear_swap() {
        let raw_msg = r#"{"table":"swap/trade","data":[{"side":"buy","trade_id":"62257592","price":"56480.1","size":"3","instrument_id":"BTC-USDT-SWAP","timestamp":"2021-03-22T01:33:00.684Z"}]}"#;
        let trades = &parse_trade("okex", MarketType::LinearSwap, raw_msg).unwrap();

        assert_eq!(trades.len(), 1);
        let trade = &trades[0];

        crate::utils::check_trade_fields(
            "okex",
            MarketType::LinearSwap,
            "BTC/USDT".to_string(),
            trade,
        );

        assert_eq!(trade.volume, trade.price * trade.quantity);
        assert_eq!(trade.quantity, 0.01 * 3.0);
        assert_eq!(trade.side, TradeSide::Buy);
    }

    #[test]
    fn inverse_future() {
        let raw_msg = r#"{"table":"futures/trade","data":[{"side":"sell","trade_id":"16606935","price":"59999.7","qty":"7","instrument_id":"BTC-USD-210625","timestamp":"2021-03-22T01:32:41.377Z"}]}"#;
        let trades = &parse_trade("okex", MarketType::InverseFuture, raw_msg).unwrap();

        assert_eq!(trades.len(), 1);
        let trade = &trades[0];

        crate::utils::check_trade_fields(
            "okex",
            MarketType::InverseFuture,
            "BTC/USD".to_string(),
            trade,
        );

        assert_eq!(trade.volume, trade.price * trade.quantity);
        assert_eq!(trade.volume, 100.0 * 7.0);
        assert_eq!(trade.side, TradeSide::Sell);
    }

    #[test]
    fn inverse_swap() {
        let raw_msg = r#"{"table":"swap/trade","data":[{"side":"sell","trade_id":"102067670","price":"56535.9","size":"1","instrument_id":"BTC-USD-SWAP","timestamp":"2021-03-22T01:33:14.051Z"}]}"#;
        let trades = &parse_trade("okex", MarketType::InverseSwap, raw_msg).unwrap();

        assert_eq!(trades.len(), 1);
        let trade = &trades[0];

        crate::utils::check_trade_fields(
            "okex",
            MarketType::InverseSwap,
            "BTC/USD".to_string(),
            trade,
        );

        assert_eq!(trade.volume, trade.price * trade.quantity);
        assert_eq!(trade.volume, 100.0 * 1.0);
        assert_eq!(trade.side, TradeSide::Sell);
    }

    #[test]
    fn option() {
        let raw_msg = r#"{"table":"option/trade","data":[{"side":"buy","trade_id":"231","price":"0.1545","qty":"4","instrument_id":"BTC-USD-210625-72000-C","timestamp":"2021-03-20T12:01:16.947Z"}]}"#;
        let trades = &parse_trade("okex", MarketType::Option, raw_msg).unwrap();

        assert_eq!(trades.len(), 1);
        let trade = &trades[0];

        crate::utils::check_trade_fields("okex", MarketType::Option, "BTC/USD".to_string(), trade);

        assert_eq!(trade.volume, trade.price * trade.quantity);
        assert_eq!(trade.quantity, 0.1 * 4.0);
        assert_eq!(trade.side, TradeSide::Buy);
    }
}