IPFS PINNING - Backend

pinIPFS.js

const { create, urlSource } = require("ipfs-http-client");

const ipfs = create({ url: "https://api.thegraph.com/ipfs/api/v0/" });

console.log(
    "~~~~~~~~~~~~ File pinning progress ~~~~~~~~~~~~"
);
console.log("\n\n");

const sleep = (delay) => new Promise((resolve) => setTimeout(resolve, delay * 1000));

async function pinToIPFS(metadataHash) {

    try {
        const file = await ipfs.add(
            urlSource(`https://gateway.pinata.cloud/ipfs/${metadataHash}`)
        );
        console.log(`pinned file ---- ${file.cid}`);
    } catch (error) {
        console.log(
            `pin file  error ---- ${error.message}`
        );
    }
        
}

let uriArr = [
    {
        "tokenURI": "QmVfbKBM7XxqZMRFzRGPGkWT8oUFNYY1DeK5dcoTgLuV8H"
    },
    {
        "tokenURI": "QmZUasDrDt7gKHUXZyN3FxXZEtCYbmCvMXMSw9grQ1yo6o"
    },
]
async function main(){
    for(var i = 0; i < uriArr.length; i++)
    {
        pinToIPFS(uriArr[i].tokenURI);
        await sleep(5);
        
    }
}

main()
    .then(() => process.exit(0))
    .catch((error) => {
      console.error(error);
      process.exit(1);
    });