[FIX] - Update hardhat guide according to latest releases of hardhat-polkadot (#623)

* hardhat: fix docs according to expected kusama launch (#563)

* hardhat: fix docs according to expected kusama launch

* fix: title

* feat: proposes  hardhat.config and hardhat.md

* fix: rename polkadotTestnest to westendHub

* fix: replaces `npx hardhat node` with `npx hardhat node-polkavm`

* docs: small changes in "Use Hardhat with Polkadot"

* docs: minor fixes

* fix: tested and adjusting snippets

* Apply suggestions from code review

Co-authored-by: Alberto Nicolas Penayo <[email protected]>

* fix: optimizer settings

* Update develop/smart-contracts/dev-environments/hardhat.md

Co-authored-by: Alberto Nicolas Penayo <[email protected]>

* fix: missing polkavm true

* fix: docs

* fix: placeholder

* Apply suggestions from code review

Co-authored-by: Erin Shaben <[email protected]>

* fix: feedback

---------

Co-authored-by: Tiago Tavares ⭕️ <[email protected]>
Co-authored-by: Alberto Nicolas Penayo <[email protected]>
Co-authored-by: Erin Shaben <[email protected]>

Author: 4 people

.snippets/code/develop/smart-contracts/dev-environments/hardhat/hardhat.config.js

@@ -1,30 +1,22 @@
 // hardhat.config.js
 require('@nomicfoundation/hardhat-toolbox');
 
-require('@nomicfoundation/hardhat-network-helpers');
-require('@nomicfoundation/hardhat-chai-matchers');
-require('@nomicfoundation/hardhat-ethers');
-require('hardhat-gas-reporter');
-require('@nomicfoundation/hardhat-ignition');
-
-require('hardhat-resolc');
-require('hardhat-revive-node');
-
-require('dotenv').config();
+require('@parity/hardhat-polkadot');
 
 /** @type import('hardhat/config').HardhatUserConfig */
 module.exports = {
   solidity: '0.8.28',
-  // Remix Compiler
+  // npm Compiler
   resolc: {
     version: '1.5.2',
-    compilerSource: 'remix',
+    compilerSource: 'npm',
     settings: {
       optimizer: {
-        enabled: false,
-        runs: 600,
+        enabled: true,
+        parameters: 'z',
+        fallbackOz: true,
+        runs: 200,
       },
-      evmVersion: 'istanbul',
     },
   },
   // Binary Compiler
@@ -33,7 +25,9 @@ module.exports = {
     settings: {
       optimizer: {
         enabled: true,
-        runs: 400,
+        parameters: 'z',
+        fallbackOz: true,
+        runs: 200,
       },
       evmVersion: 'istanbul',
       compilerPath: 'INSERT_PATH_TO_RESOLC_COMPILER',
@@ -57,7 +51,7 @@ module.exports = {
       polkavm: true,
       url: `http://127.0.0.1:8545`,
     },
-    westendAssetHub: {
+    westendHub: {
       polkavm: true,
       url: 'https://westend-asset-hub-eth-rpc.polkadot.io',
       accounts: [process.env.PRIVATE_KEY],

.snippets/code/develop/smart-contracts/dev-environments/hardhat/interact.js

@@ -1,28 +1,31 @@
 const hre = require('hardhat');
 
 async function main() {
-  // Get the contract instance
-  const Lock = await hre.ethers.getContractFactory('Lock');
-  const contractAddress = '0x46E0a43DC905a5b8FA9Fc4dA61774abE31a098a5';
-  const lock = await Lock.attach(contractAddress);
+  // Get the contract factory
+  const MyToken = await hre.ethers.getContractFactory('MyToken');
 
-  // Read contract state
-  const unlockTime = await lock.unlockTime();
+  // Replace with your deployed contract address
+  const contractAddress = 'INSERT_CONTRACT_ADDRESS';
+
+  // Attach to existing contract
+  const token = await MyToken.attach(contractAddress);
 
-  const unlockTimestamp = Number(unlockTime);
-  console.log(`Unlock time: ${new Date(unlockTimestamp)}`);
+  // Get signers
+  const [deployer] = await hre.ethers.getSigners();
 
-  const balance = await hre.ethers.provider.getBalance(lock.target);
-  console.log(`Contract balance: ${hre.ethers.formatEther(balance)} ETH`);
+  // Read contract state
+  const name = await token.name();
+  const symbol = await token.symbol();
+  const totalSupply = await token.totalSupply();
+  const balance = await token.balanceOf(deployer.address);
 
-  // Interact with contract (transaction)
-  try {
-    const tx = await lock.withdraw();
-    await tx.wait();
-    console.log('Withdrawal successful!');
-  } catch (error) {
-    console.error(`Error during withdrawal: ${error.message}`);
-  }
+  console.log(`Token: ${name} (${symbol})`);
+  console.log(
+    `Total Supply: ${hre.ethers.formatUnits(totalSupply, 18)} tokens`
+  );
+  console.log(
+    `Deployer Balance: ${hre.ethers.formatUnits(balance, 18)} tokens`
+  );
 }
 
 main().catch((error) => {