32 lines
1.2 KiB
JavaScript
32 lines
1.2 KiB
JavaScript
import fetch from 'node-fetch'
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import cc from 'cryptocompare'
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import fs from 'fs-extra'
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global.fetch = fetch
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cc.rateLimit = function( apiKey )
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{
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return fetch( `https://min-api.cryptocompare.com/stats/rate/limit${apiKey ? `?api_key=${apiKey}` : ''}` )
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.then( res=> { if( !res.ok ){ throw new Error(`${res.status} ${res.statusText}`) }else return res.json() })
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.then( body=> { if( body.Response === 'Error' ){ throw body.Message }else return body })
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}
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// loadByPath( "EXCHANGE/SYM/SYM/PERIOD/TS|/TS|LIMIT" ).then()
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export function loadByPath( ccfs )
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{
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let [ exchange, fsym, tsym, period, start, limit = 2000 ] = ccfs.split("/")
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, [ , aggregate, tUnit ] = period.match( /(\d+)([HDWM]*)/ )
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, loader = 'histo' + (tUnit == '' ? 'Minute' : tUnit == 'H' ? 'Hour' : 'Day')
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// calculate toTs from limit and start
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console.log( loader, aggregate*timeFrames[tUnit] )
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return cc[loader]( fsym, tsym, { allData: true, limit: 2000, aggregate: aggregate*timeFrames[tUnit], exchange } )
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}
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const timeFrames = { '': 1, 'H': 1, 'D': 1, 'W': 7, 'M': 30 }
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const timeFrameMinutes = { '': 1, 'H': 60, 'D': 60*24, 'W': 60*24*7, 'M': 60*24*30 }
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export {
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coinList as coins
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, exchangeList as exchanges
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} from 'cryptocompare'
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