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Bitpanda Adds Five New Coins to Its Existing Collection to Stake

Based out of Vienna, Austria, Bitpanda, a top-notch cryptocurrency broker, was established in 2014. The main focus was to be of service to traders buying and selling bitcoins, along with their other prime digital assets.  At the time they were setting things up, dealing in cryptocurrencies was indeed an uphill task where the European Union …

Error: invalid BigNumber string (argument="value", value="https://www.mytokenlocation.com", code=INVALID_ARGUMENT, version=bignumber/5.6.0)

Im creating a NFTMARKETPLACE that accepts user metadata and mint it as NFT, Ikeep failing at my test. this is my code // SPDX-License-Identifier: MIT pragma solidity ^0.8.7; import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol"; import "@openzeppelin/contracts/utils/Counters.sol"; //defining our storage contract NFT is ERC721URIStorage { //using the counter utility using Counters for Counters.Counter; //for incrementing value of tokens::Listen

Im creating a NFTMARKETPLACE that accepts user metadata and mint it as NFT, Ikeep failing at my test. this is my code

// SPDX-License-Identifier: MIT  pragma solidity ^0.8.7; import "@openzeppelin/contracts/token/ERC721/ERC721.sol"; import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol"; import "@openzeppelin/contracts/utils/Counters.sol";  //defining our storage  contract NFT is ERC721URIStorage {     //using the counter utility     using Counters for Counters.Counter;     //for incrementing value of tokens     Counters.Counter private _tokenIds;      //the nft interacts with this contract address for txn     address contractAddress; uint256 newItemId;     constructor(address marketPlaceAddress) ERC721("Metaverse Tokens", "METT") {         contractAddress = marketPlaceAddress;     }      function createToken() public {         //increment the count the nFT         _tokenIds.increment();         _safeMint(msg.sender, newItemId);          //Get the current value of the token         newItemId = _tokenIds.current();         //minting the NFT     }                  function tokenURI (uint256 tokenId ) public view override returns (string memory TOKEN_URI){         // _setTokenURI(newItemId, tokenURI);         require(_exists(tokenId),"ERC721Metadata: URI query for nonexistent token");         return TOKEN_URI;         } function getTokenCounter() public view returns (uint256){          //given the marketPlace permission to transact         // setApprovalForAll(contractAddress, true);         return newItemId; } } 

This is my testing script

const { assert, expect } = require("chai") const { network, deployments, ethers } = require("hardhat") const { developmentChains } = require("../../helper-hardhat-config")  !developmentChains.includes(network.name)     ? describe.skip     : describe("Nft Marketplace Unit Tests", function () {           let nftMarketplace, nftMarketplaceContract, nftContractAddressConnect, nftContractAddress           const PRICE = ethers.utils.parseEther("0.1")           const TOKEN_ID = 0            beforeEach(async () => {               accounts = await ethers.getSigners() // could also do with getNamedAccounts               deployer = accounts[0]               user = accounts[1]               await deployments.fixture(["all"])               nftMarketplaceContract = await ethers.getContract("NftMarketplace")               nftMarketplace = nftMarketplaceContract.connect(deployer)               nftContractAddress = await ethers.getContract("NFT")               nftContractAddressConnect = await nftContractAddress.connect(deployer)               await nftContractAddressConnect.mint("https://www.mytokenlocation.com")               await nftContractAddressConnect.approve(nftMarketplaceContract.address, TOKEN_ID)           })            describe("listItem", function () {               it("emits an event after listing an item", async function () {                   expect(await nftMarketplace.listItem(nftContractAddressConnect.address, TOKEN_ID, PRICE)).to.emit(                       "ItemListed"                   )               })               it("exclusively items that haven't been listed", async function () {                   await nftMarketplace.listItem(nftContractAddressConnect.address, TOKEN_ID, PRICE)                   const error = `AlreadyListed("${nftContractAddressConnect.address}", ${TOKEN_ID})`                   //   await expect(                   //       nftMarketplace.listItem(nftContractAddressConnect.address, TOKEN_ID, PRICE)                   //   ).to.be.revertedWith("AlreadyListed")                   await expect(                       nftMarketplace.listItem(nftContractAddressConnect.address, TOKEN_ID, PRICE)                   ).to.be.revertedWith(error)               })               it("exclusively allows owners to list", async function () {                   nftMarketplace = nftMarketplaceContract.connect(user)                   await nftContractAddressConnect.approve(user.address, TOKEN_ID)                   await expect(                       nftMarketplace.listItem(nftContractAddressConnect.address, TOKEN_ID, PRICE)                   ).to.be.revertedWith("NotOwner")               })               it("needs approvals to list item", async function () {                   await nftContractAddressConnect.approve(ethers.constants.AddressZero, TOKEN_ID)                   await expect(                       nftMarketplace.listItem(nftContractAddressConnect.address, TOKEN_ID, PRICE)                   ).to.be.revertedWith("NotApprovedForMarketplace")               })               it("Updates listing with seller and price", async function () {                   await nftMarketplace.listItem(nftContractAddressConnect.address, TOKEN_ID, PRICE)                   const listing = await nftMarketplace.getListing(nftContractAddressConnect.address, TOKEN_ID)                   assert(listing.price.toString() == PRICE.toString())                   assert(listing.seller.toString() == deployer.address)               })           }) 

This is my error Error: invalid BigNumber string (argument="value", value="https://www.mytokenlocation.com", code=INVALID_ARGUMENT, version=bignumber/5.6.0)

Bitpanda Adds Five New Coins to Its Existing Collection to Stake

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