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fetchAsset.js
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fetchAsset.js
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const { fetchCollectionTokens } = require("./utils/opensea");
const { findTokenAndFetch } = require("./fetchEvent");
const { generateTokenData } = require("./generate");
const { Asset } = require('./db');
const fs = require('fs');
const args = process.argv.slice(2);
const collecion = args[0] ? args[0] : "";
const statusFile = collecion ? `./status${collecion}.json` : `./status.json`;
const status = fs.existsSync(statusFile) ? require(statusFile) : {};
async function setValue(key, value) {
status[key] = value;
fs.writeFileSync(statusFile, JSON.stringify(status, null, 2));
}
async function savePageResult(contract, pageResults) {
for (let index = 0; index < pageResults.length; index++) {
try {
let pageResult = pageResults[index];
let pageKey = [contract, "page", pageResult.page].join("-");
const assets = pageResult.assets;
const parsed = assets.map((_) => {
return {
id: _.id,
fetched: 0,
collection: _.collection.slug,
asset_contract: _.asset_contract.address,
token_id: _.token_id,
num_sales: _.num_sales,
image_url: _.image_url,
name: _.name,
permalink: _.permalink,
owner: _.owner.address,
traits: JSON.stringify(_.traits),
};
});
console.log(parsed.length);
const results = await Asset.bulkCreate(parsed, {
ignoreDuplicates: true,
});
await setValue(pageKey, 1);
// console.log(results);
} catch (e) {
console.log(e);
}
}
}
async function getCollectionAllTokens(contract, pageNo = 1) {
// let pageNo = 1;
let allAssets = [];
let batchLimit = 2;
let batchTasks = [];
let startTime = Date.now();
let maxPageLast = null;
let timeToStop = false;
async function flush() {
let hasZero = false;
const results = await Promise.all(batchTasks);
let pageResults = []
results.forEach((pageResult) => {
const pageNumber = pageResult.page;
const assets = pageResult.assets;
hasZero = pageResult.assets.length == 0;
pageResults.push(pageResult);
if (pageNumber == 200) {
maxPageLast = assets[assets.length - 1].id;
} else {
if (maxPageLast) {
const reachMaxPage = assets.find(_ => _.id == maxPageLast);
if (reachMaxPage) {
console.log('timeToStop')
timeToStop = true;
}
}
}
});
try {
await savePageResult(contract, pageResults);
} catch (e) {}
batchTasks = [];
// console.log(allAssets.length, results.length)
return hasZero;
}
for (let index = 0; index < 1000; index++) {
let hasZero = false;
let pageKey = [contract, "page", pageNo].join('-');
if (status[pageKey]) continue;
batchTasks.push(fetchCollectionTokens(contract, pageNo));
if (batchTasks.length > batchLimit) {
try {
hasZero = await flush();
} catch (e) {
console.log(e.toString());
break;
}
}
if (hasZero ) {
console.log("no more page");
break;
}
if (timeToStop) {
console.log("no more page");
break;
}
pageNo++;
}
if (batchTasks.length) await flush();
const spendTime = Date.now() - startTime;
console.log("spendTime", spendTime / 1000);
return {
spendTime,
assets: allAssets,
};
}
async function fetchCollection(collection) {
const { slug } = collection;
const allTokens = await getCollectionAllTokens(slug);
console.log(allTokens);
}
async function main() {
try {
const fetchTaksFile = collecion
? `./${collecion}.json`
: "./topCollection200.json"
const needFetchCollections = JSON.parse(fs.readFileSync(fetchTaksFile, 'utf-8'));
for (let index = 0; index < needFetchCollections.length; index++) {
const topCollection = needFetchCollections[index];
const collectionKey = [topCollection.slug, "collection"].join("-");
const startTime = Date.now();
if (status[collectionKey]) {
console.log("skip", collectionKey);
// await generateTokenData(topCollection);
continue;
};
console.log(topCollection.slug);
await fetchCollection(topCollection);
await findTokenAndFetch(topCollection);
await setValue(collectionKey, 1);
await generateTokenData(topCollection);
const spendTime = Date.now() - startTime;
console.log("spendTime", spendTime);
}
} catch (e) {
console.log('error', e)
}
setTimeout(() => {
main();
}, 5 * 1000);
}
main().catch(e => console.log(e))