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charts.js
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charts.js
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const { getWeek, subYears, startOfMinute, getUnixTime } = require('date-fns');
const { TWENTY_FOUR_HOURS } = require('./../constants');
const { dayData, tokenHourData, tokenDayData, pairHourData, pairDayData } = require('./exchange');
module.exports = {
async factory() {
const data = await dayData();
const weeklyData = [];
let startIndexWeekly = -1;
let currentWeek = -1;
data.forEach((entry, i) => {
const week = getWeek(data[i].date);
if (week !== currentWeek) {
currentWeek = week;
startIndexWeekly++;
}
weeklyData[startIndexWeekly] = weeklyData[startIndexWeekly] || {};
weeklyData[startIndexWeekly].date = data[i].date;
weeklyData[startIndexWeekly].weeklyVolumeUSD =
(weeklyData[startIndexWeekly].weeklyVolumeUSD ? weeklyData[startIndexWeekly].weeklyVolumeUSD : 0) +
data[i].volumeUSD;
});
return [data, weeklyData];
},
async tokenHourly({ token_address = undefined, startTime = undefined }) {
if (!token_address) {
throw new Error('soul-data: Token address undefined');
}
const ethPrices = await { minTimestamp: startTime };
let [tokenData] = await Promise.all([
tokenHourData({ minTimestamp: startTime, token_address }),
// ethPriceHourly({ minTimestamp: startTime }),
]);
// const ethPriceUSD = ethPrices.find((ethEntry) => ethEntry.timestamp === tokenEntry.timestamp).priceUSD;
tokenData = tokenData.map((tokenEntry) => {
const ethPriceUSD = ethPrices.find((ethEntry) => ethEntry.timestamp === tokenEntry.timestamp).priceUSD;
return {
...tokenEntry,
priceUSD: tokenEntry.derivedETH * ethPriceUSD,
};
});
tokenData = tokenData.map((tokenEntry, i) => ({
...tokenEntry,
volume: tokenData[i - 1] ? tokenEntry.volume - tokenData[i - 1].volume : undefined,
volumeUSD: tokenData[i - 1] ? tokenEntry.volumeUSD - tokenData[i - 1].volumeUSD : undefined,
untrackedVolumeUSD: tokenData[i - 1]
? tokenEntry.untrackedVolumeUSD - tokenData[i - 1].untrackedVolumeUSD
: undefined,
txCount: tokenData[i - 1] ? tokenEntry.txCount - tokenData[i - 1].txCount : undefined,
open: tokenEntry.priceUSD,
close: tokenData[i + 1] ? tokenData[i + 1].priceUSD : undefined,
}));
return tokenData;
},
async tokenDaily({ token_address = undefined } = {}) {
if (!token_address) {
throw new Error('soul-data: Token address undefined');
}
let data = await tokenDayData({ token_address });
const endTime = getUnixTime(new Date());
const startTime = getUnixTime(startOfMinute(subYears(new Date(), 1)));
const dayIndexSet = new Set();
const dayIndexArray = [];
data.forEach((dayData, i) => {
// add the day index to the set of days
dayIndexSet.add((data[i].timestamp / TWENTY_FOUR_HOURS).toFixed(0));
dayIndexArray.push(data[i]);
});
// fill in empty days
let timestamp = data[0] && data[0].timestamp ? data[0].timestamp : startTime;
let latestLiquidity = data[0] && data[0].liquidity;
let latestLiquidityUSD = data[0] && data[0].liquidityUSD;
let latestLiquidityETH = data[0] && data[0].liquidityETH;
let latestPriceUSD = data[0] && data[0].priceUSD;
let index = 1;
while (timestamp < endTime - TWENTY_FOUR_HOURS) {
const nextDay = timestamp + TWENTY_FOUR_HOURS;
const currentDayIndex = (nextDay / TWENTY_FOUR_HOURS).toFixed(0);
if (!dayIndexSet.has(currentDayIndex)) {
data.push({
id: `${data[0].id.split('-')[0]}-${nextDay / TWENTY_FOUR_HOURS}`,
date: new Date(nextDay * 1000),
timestamp: nextDay,
volume: 0,
volumeETH: 0,
volumeUSD: 0,
liquidity: latestLiquidity,
liquidityETH: latestLiquidityETH,
liquidityUSD: latestLiquidityUSD,
priceUSD: latestPriceUSD,
txCount: 0,
});
} else {
latestLiquidity = dayIndexArray[index].liquidity;
latestLiquidityETH = dayIndexArray[index].liquidityETH;
latestLiquidityUSD = dayIndexArray[index].liquidityUSD;
latestPriceUSD = dayIndexArray[index].priceUSD;
index = index + 1;
}
timestamp = nextDay;
}
data = data.sort((a, b) => (parseInt(a.timestamp) > parseInt(b.timestamp) ? 1 : -1));
return data;
},
async pairHourly({ pair_address = undefined, startTime = undefined }) {
if (!pair_address) {
throw new Error('soul-data: Pair address undefined');
}
let pairData = await pairHourData({ minTimestamp: startTime, pair_address });
pairData = pairData.map((pairEntry, i) => ({
...pairEntry,
volumeToken0: pairData[i - 1] ? pairEntry.volumeToken0 - pairData[i - 1].volumeToken0 : undefined,
volumeToken1: pairData[i - 1] ? pairEntry.volumeToken1 - pairData[i - 1].volumeToken1 : undefined,
rate0: {
open: pairEntry.token0Price,
close: pairData[i + 1] ? pairData[i + 1].token0Price : undefined,
},
rate1: {
open: pairEntry.token1Price,
close: pairData[i + 1] ? pairData[i + 1].token1Price : undefined,
},
txCount: pairData[i - 1] ? pairEntry.txCount - pairData[i - 1].txCount : undefined,
}));
return pairData;
},
async pairDaily({ pair_address = undefined } = {}) {
if (!pair_address) {
throw new Error('soul-data: Pair address undefined');
}
let data = await pairDayData({ pair_address });
const endTime = getUnixTime(new Date());
const startTime = getUnixTime(startOfMinute(subYears(new Date(), 1)));
const dayIndexSet = new Set();
const dayIndexArray = [];
data.forEach((dayData, i) => {
// add the day index to the set of days
dayIndexSet.add((data[i].timestamp / TWENTY_FOUR_HOURS).toFixed(0));
dayIndexArray.push(data[i]);
});
let timestamp = data[0].timestamp ? data[0].timestamp : startTime;
let latestLiquidityUSD = data[0].liquidityUSD;
let index = 1;
while (timestamp < endTime - TWENTY_FOUR_HOURS) {
const nextDay = timestamp + TWENTY_FOUR_HOURS;
const currentDayIndex = (nextDay / TWENTY_FOUR_HOURS).toFixed(0);
if (!dayIndexSet.has(currentDayIndex)) {
data.push({
id: `${data[0].id.split('-')[0]}-${nextDay / TWENTY_FOUR_HOURS}`,
date: new Date(nextDay * 1000),
timestamp: nextDay,
volumeUSD: 0,
volumeToken0: 0,
volumeToken1: 0,
liquidityUSD: latestLiquidityUSD,
txCount: 0,
});
} else {
latestLiquidityUSD = dayIndexArray[index].liquidityUSD;
index = index + 1;
}
timestamp = nextDay;
}
data = data.sort((a, b) => (parseInt(a.timestamp) > parseInt(b.timestamp) ? 1 : -1));
return data;
},
};