BinanceSource¶

Defined in dccd.sources.binance

class BinanceSource(http=None)[source]

Bases: OHLCHistory, TradesHistory, OrderBookSnapshotREST, OHLCLive, TradesLive, OrderBookLive

Binance adapter for OHLC, trades and order book.

Supports: REST historical (klines 1000/req, aggTrades 1000/req, depth 5000), WebSocket live (kline, aggTrade, depth).

async fetch_trades_page(symbol, start_ns, end_ns, limit, cursor=None)[source]

Fetch one page of aggregate trades (cursor = fromId).

First call (cursor=None) is time-bounded on start_ns; subsequent calls follow the fromId cursor. The next cursor is the last aggregate-trade id + 1, returned only while the page is full and the last trade is still inside the window.

render_symbol(s)[source]: Binance format: BTCUSDT (no separator).