yupeshekhonov

Создать контракт с таким кодом

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.4;

import {CollectionHelpers, CollectionHelpersEvents} from  "@unique-nft/solidity-interfaces/contracts/CollectionHelpers.sol";
import {UniqueNFT, CrossAddress} from "@unique-nft/solidity-interfaces/contracts/UniqueNFT.sol";

contract CollectionManager is CollectionHelpersEvents {

yupeshekhonov

How to mint an NFT on Unique Network using Ethereum technologies

In this tutorial, we will walk through creating and deploying an ERC-721 smart contract on the Opal test network using Hardhat and Solidity. Also, we will mint an NFT using a library.

Prerequisites

You need to have the following installed and prepared to start this guide:

• Node.js, version > 14.
• npm or yarn.

yupeshekhonov

How to mint an NFT on a Ethereum testnet

In this tutorial, we will walk through creating and deploying an ERC-721 smart contract on the Goerli test network using Hardhat and Solidity. Also, we will mint and NFT and add it to Metamask.

Prerequisites

You need to have the following installed and prepared to start this guide:

• Node.js, version > 14.
• npm or yarn.

yupeshekhonov

Linking my account ypeshekhonov on GitHub with my address 5ERBzGR7UofXANmMN6gdU8He9eH1iKPHsCdExFnvk72gqoxE on Substrate in mycryptoprofile.io, and the challenge code is: 3d1419e5236f5c5f1502578bfd8e6d80. #LitentryVerifyMyAddress

yupeshekhonov

Addresses conversion

To start

Import the Address object from the package.

import {UniqueUtils} from "@unique-nft/api";

const address = UniqueUtils.Address