107 lines
3.0 KiB
JavaScript
107 lines
3.0 KiB
JavaScript
/* Imports */
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import fs from 'fs'
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import axios from "axios"
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/* Definitions */
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let graphQLendpoint = '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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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(({ 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.address
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let addressLowerCase = address.toLowerCase()
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//delete info.history
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combinedObj[addressLowerCase] = {
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title: info.title,
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url: info.url,
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address: info.address
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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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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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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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"Binary question?" : isbinary,
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"Percentage": isbinary?(percentage.toFixed(4) + "%"):"none",
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"# Forecasts": Number(data.tradesQuantity).toFixed(2)
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/*liquidity: liquidity.toFixed(2),
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tradevolume: tradevolume.toFixed(2),
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address: obj.address*/
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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 result = await fetch_all()
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console.log(result)
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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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console.log("Done")
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}
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