lazy-mint-contract's Introduction

Lazy Ghost NTFs

Demo

My full article explaining lazy minting can be found on https://dev.to

https://dev.to/hussainzz/lazy-minting-nft-solidity-hardhat-30l1

Dapp https://ghost-mint-57sbttrch-hussainzz.vercel.app/

Installation

> yarn install

Next,rename env.example to .env and populate values

PRIVATE_KEY=<Your Wallet Private Key>
MUMBAI_RPC_URL=https://polygon-mumbai.g.alchemy.com/v2/<API_KEY>
POLYSCAN_API_KEY=<PolyScan API KEY>

Contract Deployment

> yarn hardhat deploy --network <network_name_defined_in_config>

deployment script should also verify the contract,In case it fails you can manually verify by running

yarn hardhat verify --network <networkName> <deployedContractAddress>  "<constructorArgument>[in this case minterAddress]"

Creating Sales Order [Signed Vouchers]

Run,

> yarn hardhat run scripts/createSalesOrder.js --network <network_name>

This will create file in /lazymintdapp/src/NFTVouchers.json

Unit Tests

> yarn hardhat test

 Lazy Mint NFT Unit Tests
    ✔ Should allow to mint nft with valid voucher (94ms)
    ✔ Should fail to mint nft if price passed is less than voucher price (85ms)
    ✔ Should fail to mint nft with existing tokenId (99ms)
    ✔ Should not allow to mint nft with invalid voucher (48ms)
    ✔ Should fetch tokenURI for the given tokenId (62ms)
    ✔ Should fail to fetch tokenURI for invalid tokenId
    ✔ Should allow owner to withdraw funds (61ms)
    ✔ Should not allow to withdraw funds if one is not an owner (71ms)
    ✔ Owner's balance should reflect after withdrawing funds (68ms)
    ✔ Should return true when checking for ERC721 interface support (44ms)