'Building a Classic Web3 NFT Minting Dapp with React and Solidity: Part 1' web3 web3writingcontest
Create a new solidity contract named// SPDX-License-Identifier: MIT pragma solidity >=0.7.0 uint8) public existingURIs; uint256 public cost=0.01 ether; uint256 public maxSupply=100; uint256 public supply; string public baseURI;
Lastly, the supply variable will track the number of NFTs minted and baseURI tracks the location of our NFT folder on IPFS.The code block above describes the information that will be logged to the client on each mint or sale of NFT art. This struct seems almost like interfaces on TypeScript. The job of this struct is to help us define complex datatypes where one datatype is insufficient to describe our data.
Currently, the array variable we declared earlier on is keeping track of all minted NFTs. We prepared this method for retrieving all the minted NFTs from the smart contract when we’ll be consuming them on React.This method returns a particular NFT object when called. It fetches the NFT by specifying its tokenId. Since arrays start their indexes from 0, we have to subtract 1 from the tokenId to get the exact NFT we want.
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