139 lines
4.5 KiB
JavaScript
139 lines
4.5 KiB
JavaScript
/* Imports */
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import fs from 'fs'
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import axios from "axios"
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import { calculateStars } from "../utils/stars.js"
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import {upsert} from "../utils/mongo-wrapper.js"
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/* Definitions */
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let graphQLendpoint = "https://api.thegraph.com/subgraphs/name/tokenunion/polymarket-matic"//"https://subgraph-matic.poly.market/subgraphs/name/TokenUnion/polymarket"//"https://subgraph-backup.poly.market/subgraphs/name/TokenUnion/polymarket"//'https://subgraph-matic.poly.market/subgraphs/name/TokenUnion/polymarket3'
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let units = 10 ** 6
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/* Support functions
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async function fetchAllContractInfo(){ // for info which the polymarket graphql API
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let data = fs.readFileSync("./data/polymarket-contract-list.json")
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let response = JSON.parse(data)
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return response
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}
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*/
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async function fetchAllContractInfo() { // for info which the polymarket graphql API
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let response = await axios.get('https://strapi-matic.poly.market/markets?active=true&_sort=volume:desc')
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.then(query => query.data);
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response = response.filter(res => res.closed != true)
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return response
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}
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async function fetchAllContractData() {
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let daysSinceEra = Math.round(Date.now() / (1000 * 24 * 60 * 60)) - 2
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let response = await axios({
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url: graphQLendpoint,
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method: 'POST',
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headers: ({ 'Content-Type': 'application/json' }),
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data: JSON.stringify(({
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query: `
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{
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fixedProductMarketMakers(first: 300
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where: {
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lastActiveDay_gt: ${daysSinceEra}
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}){
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id
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creator
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creationTimestamp
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fee
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tradesQuantity
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buysQuantity
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sellsQuantity
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lastActiveDay
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outcomeTokenPrices
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outcomeTokenAmounts
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liquidityParameter
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collateralBuyVolume
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collateralSellVolume
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conditions {
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outcomeSlotCount
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}
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}
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}
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`
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})),
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})
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.then(res => res.data)
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.then(res => res.data.fixedProductMarketMakers)
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//console.log(response)
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return response
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}
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async function fetch_all() {
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let allData = await fetchAllContractData()
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let allInfo = await fetchAllContractInfo()
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let combinedObj = ({})
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for (let info of allInfo) {
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let address = info.marketMakerAddress
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let addressLowerCase = address.toLowerCase()
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//delete info.history
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if (info.outcomes[0] != "Long" || info.outcomes[1] != "Short")
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combinedObj[addressLowerCase] = {
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title: info.question,
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url: "https://polymarket.com/market/" + info.slug,
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address: address,
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description: info.description,
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outcomes: info.outcomes,
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options: []
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}
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}
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for (let data of allData) {
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let addressLowerCase = data.id
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console.log(data)
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if (combinedObj[addressLowerCase] != undefined) {
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//console.log(addressLowerCase)
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let obj = combinedObj[addressLowerCase]
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let numforecasts = data.tradesQuantity
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let isbinary = Number(data.conditions[0].outcomeSlotCount) == 2
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let tradevolume = (Number(data.collateralBuyVolume) + Number(data.collateralSellVolume)) / units
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let liquidity = Number(data.liquidityParameter) / units
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let percentage = Number(data.outcomeTokenPrices[0]) * 100
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let percentageFormatted = isbinary ? (percentage.toFixed(0) + "%") : "none"
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let options = []
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for (let outcome in data.outcomeTokenPrices) {
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options.push({
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"name": obj.outcomes[outcome],
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"probability": data.outcomeTokenPrices[outcome],
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"type": "PROBABILITY"
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})
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}
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combinedObj[addressLowerCase] = {
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"title": obj.title,
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"url": obj.url,
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"platform": "PolyMarket",
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"description": obj.description,
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"options": options,
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"timestamp": new Date().toISOString(),
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"qualityindicators": {
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"numforecasts": Number(data.tradesQuantity).toFixed(0),
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"liquidity": liquidity.toFixed(2),
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"tradevolume": tradevolume.toFixed(2),
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"stars": calculateStars("Polymarket", ({ liquidity, option: options[0] }))
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}
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/*
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address: obj.address
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*/
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}
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}
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}
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let result = Object.values(combinedObj)
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//console.log(result)
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return result
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}
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/* Body */
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export async function polymarket() {
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let results = await fetch_all()
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console.log(results)
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// console.log(result)
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// let string = JSON.stringify(result, null, 2)
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// fs.writeFileSync('./data/polymarket-questions.json', string);
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await upsert(results, "polymarket-questions")
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console.log("Done")
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}
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