82 lines
2.6 KiB
JavaScript
82 lines
2.6 KiB
JavaScript
import {socket} from "@/socket.js";
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const ohlcSubCounts = {} // key is route and value is a subscription counter
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export const WIDE_PRICE_FORMAT = {decimals:38, width:512, signed:false}; // 38 decimals is 127 bits
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export function subOHLC( chainId, pool, period ) {
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const key = `${pool}|${period}`
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const ckey = `${chainId}|${key}`
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// console.log('subOHLC', chainId, pool, period, ckey, ohlcSubCounts[ckey])
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if (!(ckey in ohlcSubCounts) || ohlcSubCounts[ckey] === 0) {
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ohlcSubCounts[ckey] = 1
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console.log('subscribing OHLCs', chainId, key)
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socket.emit('subOHLCs', chainId, [key])
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} else
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ohlcSubCounts[ckey]++
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}
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export function unsubOHLC( chainId, pool, period ) {
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const key = `${pool}|${period}`
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const ckey = `${chainId}|${key}`
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// console.log('unsubOHLC', chainId, pool, period, ckey, ohlcSubCounts[ckey])
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if (!(ckey in ohlcSubCounts) || ohlcSubCounts[ckey] === 0) {
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console.error('overdecremented ohlc', pool, period)
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ohlcSubCounts[ckey] = 1
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} else {
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ohlcSubCounts[ckey]--
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if (ohlcSubCounts[ckey] === 0) {
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console.log('unsubscribing OHLCs', chainId, key)
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// noinspection JSCheckFunctionSignatures
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socket.emit('unsubOHLCs', chainId, [key])
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}
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}
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}
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export function unsubAllOHLCs( chainId ) {
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const chainStr = chainId.toString() + '|'
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const toUnsub = []
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for( const k of Object.keys(ohlcSubCounts) ) {
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if (k.startsWith(chainStr))
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toUnsub.push(k.slice(chainStr.length))
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}
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if( toUnsub.length )
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socket.emit('unsubOHLCs', chainId, toUnsub )
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}
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export function subOHLCs( chainId, poolPeriods ) {
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if( !poolPeriods.length )
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return
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const toSub = []
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for( const [pool,period] of poolPeriods ) {
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const key = `${pool}|${period}`
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if (!(key in ohlcSubCounts) || ohlcSubCounts[key] === 0) {
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ohlcSubCounts[key] = 1
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toSub.push(key)
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} else
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ohlcSubCounts[key]++
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}
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if( toSub.length )
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socket.emit('subOHLCs', chainId, toSub)
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}
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export function unsubOHLCs( chainId, poolPeriods ) {
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const toUnsub = []
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for( const [pool,period] of poolPeriods ) {
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const key = `${pool}|${period}`
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if (!(key in ohlcSubCounts) || ohlcSubCounts[key] === 0) {
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console.error('overdecremented',pool,period)
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ohlcSubCounts[key] = 1
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} else {
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ohlcSubCounts[key]--
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if( ohlcSubCounts[key] === 0 )
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toUnsub.push(key)
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}
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}
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if( toUnsub.length )
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socket.emit('unsubOHLCs', chainId, toUnsub )
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}
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