add interaction script

Author: thatguyintech

scripts/greet.js

@@ -0,0 +1,28 @@
+const hre = require("hardhat");
+const ContractJson = require("../artifacts/contracts/Greeter.sol/Greeter.json");
+const abi = ContractJson.abi;
+
+async function main() {
+ const alchemy = new hre.ethers.providers.AlchemyProvider('maticmum', process.env.ALCHEMY_API_KEY);
+ const userWallet = new hre.ethers.Wallet(process.env.PRIVATE_KEY, alchemy);
+
+ // Get the deployed contract.
+ const Greeter = new hre.ethers.Contract(process.env.CONTRACT_ADDRESS, abi, userWallet)
+
+ const setTx1 = await Greeter.setGreeting("web3 sucks!");
+ await setTx1.wait();
+ console.log("before: " + await Greeter.greet());
+
+ const setTx2 = await Greeter.setGreeting("web3 is awesome!");
+ await setTx2.wait();
+ console.log("after: " + await Greeter.greet());
+}
+
+// We recommend this pattern to be able to use async/await everywhere
+// and properly handle errors.
+main()
+ .then(() => process.exit(0))
+ .catch((error) => {
+ console.error(error);
+ process.exit(1);
+ });