Add wallet generation script for testnet deployments

deployment/README.md

@@ -15,6 +15,15 @@ cp .env.example .env
 Fill `.env` with your `MNEMONIC` and `INFURA_PROJECT_ID`
 If you want to verify the contracts also fill the `ETHERSCAN_API_KEY`
 
+For testnet usage you can generate wallets with the wallet.js script
+
+Navigate to `testnet` folder and run 
+
+`node wallet.js` 
+
+or from root directory
+`npx hardhat run deployment/testnet/wallets.js`
+
 ```
 cd deployment
 cp deploy_parameters.json.example deploy_parameters.json

deployment/testnet/wallets.js

@@ -0,0 +1,26 @@
+/* eslint-disable no-await-in-loop, no-use-before-define, no-lonely-if, no-restricted-syntax */
+/* eslint-disable no-console, no-inner-declarations, no-undef, import/no-unresolved */
+const { ethers } = require('hardhat');
+
+async function main() {
+    const arrayNames = [
+        '## Deployment Address',
+        '\\n\\n## Trusted sequencer',
+        '\\n\\n## Trusted aggregator',
+    ];
+    for (let i = 0; i < arrayNames.length; i++) {
+        const wallet = ethers.Wallet.createRandom();
+        console.log(arrayNames[i]);
+        console.log(`Address: ${wallet.address}`);
+        console.log(`PrvKey: ${wallet._signingKey().privateKey}`);
+        console.log(`mnemonic: "${wallet._mnemonic().phrase}"`);
+
+        const keystoreJson = await wallet.encrypt('password');
+        console.log(`keystore: ${keystoreJson}`);
+    }
+}
+
+main().catch((e) => {
+    console.error(e);
+    process.exit(1);
+});