tardis-dev/dist/mappers/bybitspot.js

Convenient access to tick-level historical and real-time cryptocurrency market data via Node.js

import { upperCaseSymbols } from "../handy.js";
export class BybitSpotTradesMapper {
    _exchange;
    constructor(_exchange) {
        this._exchange = _exchange;
    }
    canHandle(message) {
        return message.topic === 'trade' && message.data !== undefined;
    }
    getFilters(symbols) {
        symbols = upperCaseSymbols(symbols);
        return [
            {
                channel: 'trade',
                symbols
            }
        ];
    }
    *map(message, localTimestamp) {
        const bybitTrade = message.data;
        yield {
            type: 'trade',
            symbol: message.params.symbol,
            exchange: this._exchange,
            id: bybitTrade.v,
            price: Number(bybitTrade.p),
            amount: Number(bybitTrade.q),
            side: bybitTrade.m === true ? 'buy' : 'sell',
            timestamp: new Date(bybitTrade.t),
            localTimestamp
        };
    }
}
export class BybitSpotBookChangeMapper {
    _exchange;
    constructor(_exchange) {
        this._exchange = _exchange;
    }
    canHandle(message) {
        return message.topic === 'depth' && message.data !== undefined;
    }
    getFilters(symbols) {
        symbols = upperCaseSymbols(symbols);
        return [
            {
                channel: 'depth',
                symbols
            }
        ];
    }
    *map(message, localTimestamp) {
        yield {
            type: 'book_change',
            symbol: message.params.symbol,
            exchange: this._exchange,
            isSnapshot: true,
            bids: message.data.b.map(this._mapBookLevel),
            asks: message.data.a.map(this._mapBookLevel),
            timestamp: new Date(message.data.t),
            localTimestamp
        };
    }
    _mapBookLevel(level) {
        return { price: Number(level[0]), amount: Number(level[1]) };
    }
}
export class BybitSpotBookTickerMapper {
    _exchange;
    constructor(_exchange) {
        this._exchange = _exchange;
    }
    canHandle(message) {
        return message.topic === 'bookTicker' && message.data !== undefined;
    }
    getFilters(symbols) {
        symbols = upperCaseSymbols(symbols);
        return [
            {
                channel: 'bookTicker',
                symbols
            }
        ];
    }
    *map(message, localTimestamp) {
        const bookTicker = {
            type: 'book_ticker',
            symbol: message.params.symbol,
            exchange: this._exchange,
            askAmount: message.data.askQty !== undefined ? Number(message.data.askQty) : undefined,
            askPrice: message.data.askPrice !== undefined ? Number(message.data.askPrice) : undefined,
            bidPrice: message.data.bidPrice !== undefined ? Number(message.data.bidPrice) : undefined,
            bidAmount: message.data.bidQty !== undefined ? Number(message.data.bidQty) : undefined,
            timestamp: new Date(message.data.time),
            localTimestamp: localTimestamp
        };
        yield bookTicker;
    }
}
//# sourceMappingURL=bybitspot.js.map