BytbitBTC/onramp

Key Features of this Implementation:

File Rotation Handling: The FileTailer continuously checks the directory for the newest file matching the pattern. If a new hourly file appears, it automatically switches to it.

OHLCV Logic:

    Open: Set when a candle is first created for that timestamp bucket.

    High/Low: Updated via max() and min().

    Close: Updated with every new trade.

    Buy Volume: Calculated by filtering trades where S == "Buy".

SQLite Upsert: Uses ON CONFLICT(timeframe, timestamp) DO UPDATE. This is crucial because trades for the same minute arrive sequentially; we need to update the existing row rather than creating duplicates.

Robustness:

    Wrapped in try-except blocks to prevent the service from crashing on a single malformed line.

    Comprehensive logging to both file and console.

    Configurable polling interval (default 200ms).

To get the live, unfinished candle data:

code Bash

''' echo "live" | nc 127.0.0.1 9999 '''

To get the general health/status: code Bash

''' echo "status" | nc 127.0.0.1 9999 '''