NFT Test for gas profiling

nft_gas_test/.env.example

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+ALCHEMY_API_KEY=
+ROPSTEN_PRIVATE_KEY=

nft_gas_test/.gitignore

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+node_modules
+.env
+
+#Hardhat files
+cache
+artifacts
+dist

nft_gas_test/.prettierrc

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+{
+  "overrides": [
+    {
+      "files": "*.sol",
+      "options": {
+        "printWidth": 120,
+        "tabWidth": 2,
+        "useTabs": false,
+        "singleQuote": false,
+        "bracketSpacing": false,
+        "explicitTypes": "always",
+        "semi": true
+      }
+    }
+  ]
+}

nft_gas_test/contracts/NFTest.sol

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+// SPDX-License-Identifier: GPL-3.0
+
+/*
+Requirements:
+
+  - Must receive eth in exchange for an ERC20 token
+  - There is a recipient address that receives all incoming eth.
+  - Exchange rate is fixed. 1 eth = 1000 tokens
+  - Minimum investment is 0.01 eth and maximum is 5 eth.
+  - The ICO hardcap is 300 eth.
+  - An admin decides when the ICO starts and ends.
+  - The ICO ends when the hardcap is reached or end time is reached.
+  - The token will be tradeable only after a specific time set by the admin
+
+*/
+
+pragma solidity ^0.8.7;
+
+import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
+
+contract NFTest is ERC721("Test", "TEST") {
+  function mint(address to, uint256 tokenId) public {
+    _mint(to, tokenId);
+  }
+
+  function transfer(
+    address from,
+    address to,
+    uint256 tokenId
+  ) public {
+    _transfer(from, to, tokenId);
+  }
+
+  function mintWithMerkleProof(
+    address to,
+    uint256 tokenId,
+    string[] calldata proof
+  ) public {
+    _mint(to, tokenId);
+    _hashProof(proof);
+  }
+
+  function transferWithMerkleProof(
+    address from,
+    address to,
+    uint256 tokenId,
+    string[] calldata proof
+  ) public {
+    _hashProof(proof);
+    _transfer(from, to, tokenId);
+  }
+
+  function _hashProof(string[] calldata proof) internal pure {
+    for (uint256 index = 0; index < proof.length; index++) {
+      keccak256(abi.encode(proof[index]));
+    }
+  }
+}

nft_gas_test/hardhat.config.ts

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+import { task } from "hardhat/config";
+import "@nomiclabs/hardhat-waffle";
+import "hardhat-gas-reporter"
+import "hardhat-tracer"
+import "@atixlabs/hardhat-time-n-mine"
+import "@atixlabs/hardhat-time-n-mine/dist/src/type-extensions";
+
+import dotenv from 'dotenv'
+dotenv.config()
+
+// This is a sample Hardhat task. To learn how to create your own go to
+// https://hardhat.org/guides/create-task.html
+task("accounts", "Prints the list of accounts", async (args, hre) => {
+  const accounts = await hre.ethers.getSigners();
+
+  for (const account of accounts) {
+    console.log(await account.address);
+  }
+});
+
+// You need to export an object to set up your config
+// Go to https://hardhat.org/config/ to learn more
+
+export default {
+  solidity: {
+    version: '0.8.7',
+    settings: {
+      outputSelection: {
+        "*": {
+            "*": ["storageLayout"],
+        },
+      },
+    }
+  },
+  networks: {
+    ropsten: {
+      url: `https://eth-ropsten.alchemyapi.io/v2/${process.env.ALCHEMY_API_KEY}`,
+      accounts: [`0x${process.env.ROPSTEN_PRIVATE_KEY}`],
+    },
+  },
+};