tardis-dev combining historical market data from multiple exchanges

node v12.20.1
version: 1.0.0
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const { replayNormalized, normalizeTrades, combine } = require('tardis-dev') async function replayCombined() { const bitmexMessages = replayNormalized( { exchange: 'bitmex', symbols: ['XBTUSD'], from: '2019-05-01', to: '2019-05-02' }, normalizeTrades ) const deribitMessages = replayNormalized( { exchange: 'deribit', symbols: ['BTC-PERPETUAL'], from: '2019-05-01', to: '2019-05-02' }, normalizeTrades ) const combinedStream = combine(bitmexMessages, deribitMessages) // order at which messages have historically arrived is preserved for await (const message of combinedStream) { if (message.exchange === 'deribit') { // process deribit trades console.log(message) } if (message.exchange === 'bitmex') { // process bitmex trades console.log(message) } } } replayCombined()
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