constaxios=require("axios");asyncfunctiongetFloorPrice(slug){try{consturl=`https://api.opensea.io/collection/${slug}/stats`;constresponse=awaitaxios.get(url);returnresponse.data.stats.floor_price;}catch(err){console.log(err);returnundefined;}}awaitgetFloorPrice("lostpoets");awaitgetFloorPrice("treeverse");awaitgetFloorPrice("cool-cats-nft");

Install

npm install opensea-scraper

Usage

constOpenseaScraper=require("opensea-scraper");// which nft project to scrape?constslug="cool-cats-nft";// optionsconstoptions={debug:false,logs:false,sort:true,browserInstance:undefined,}// get basic info (from the opensea API)constbasicInfo=awaitOpenseaScraper.basicInfo(slug);// get offers from opensea. Each offer includes the floor price, tokenName,// tokenId, tokenContractAddress and offerUrlletresult=awaitOpenseaScraper.offers(slug,options);console.dir(result,{depth:null});// result object contains keys `stats` and `offers`// get offers from opensea using a custom link// Opensea supports encoding filtering in the URL so this method is helpful for getting// a specific asset (for example floor price for a LAND token from the sandbox collection)leturl="https://opensea.io/collection/sandbox?search[sortAscending]=true&search[sortBy]=PRICE&search[stringTraits][0][name]=Type&search[stringTraits][0][values][0]=Land&search[toggles][0]=BUY_NOW";result=awaitOpenseaScraper.offersByUrl(url,options);console.dir(result,{depth:null});// result object contains keys `stats` and `offers`// get offersByScrolling from opensea. This is an alternative method to get the same// data as in the function `offers`, with the only difference that the data is here// scraped actively by scrolling through the page. This method is not as efficient// as the `offers` method, but it can scrape more than 32 offers. You could even scrape// a whole collection with ~10k spots (this is not recommended though).letresultSize=40;// if you need less than 32 offers, please use the function `offers()` insteadresult=awaitOpenseaScraper.offersByScrolling(slug,resultSize,options);console.dir(result,{depth:null});// result object contains keys `stats` and `offers`// get offersByScrollingByUrl from opensea using a custom link instead of the slug// the same logic applies as in `offersByScrolling()`// Opensea supports encoding filtering in the URL so this method is helpful for getting// a specific asset (for example floor price for a LAND token from the sandbox collection)url="https://opensea.io/collection/sandbox?search[sortAscending]=true&search[sortBy]=PRICE&search[stringTraits][0][name]=Type&search[stringTraits][0][values][0]=Land&search[toggles][0]=BUY_NOW";resultSize=40;// if you need less than 32 offers, please use the function `offers()` insteadresult=awaitOpenseaScraper.offersByScrollingByUrl(url,resultSize,options);console.dir(result,{depth:null});// result object contains keys `stats` and `offers`// scrape all slugs, names and ranks from the top collections from the rankings page// "type" is one of the following://   "24h": ranking of last 24 hours: https://opensea.io/rankings?sortBy=one_day_volume//   "7d": ranking of last 7 days: https://opensea.io/rankings?sortBy=seven_day_volume//   "30d": ranking of last 30 days: https://opensea.io/rankings?sortBy=thirty_day_volume//   "total": scrapes all time ranking: https://opensea.io/rankings?sortBy=total_volume// "chain" is one of the following: "ethereum", "matic", "klaytn", "solana"//    if chain is unset, all chains will be selected by defaultconsttype="24h";// possible values: "24h", "7d", "30d", "total"constchain="solana";constranking=awaitOpenseaScraper.rankings(type,options,chain);

Debugging

constresult=awaitOpenseaScraper.offers("treeverse",{debug:true,logs:true});

Bring your own puppeteer

constpuppeteer=require('puppeteer-extra');// add stealth plugin and use defaults (all evasion techniques)constStealthPlugin=require('puppeteer-extra-plugin-stealth');puppeteer.use(StealthPlugin());constmyPuppeteerInstance=awaitpuppeteer.launch(myCustomSettings);constresult=awaitOpenseaScraper.offer("cool-cats-nft",{browserInstance:myPuppeteerInstance});

Demo

npm run demo

Run local console / REPL

node --experimental-repl-await -i -e"$(< init-dev-env.js)"

alias consl='node --experimental-repl-await -i -e "$(< init-dev-env.js)"';

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