use getBlock or alchemy as RPC

packages/hardhat/hardhat.config.ts

@@ -10,9 +10,12 @@ import "@nomicfoundation/hardhat-verify";
 import "hardhat-deploy";
 import "hardhat-deploy-ethers";
 
-// If not set, it uses ours Alchemy's default API key.
-// You can get your own at https://dashboard.alchemyapi.io
-const providerApiKey = process.env.ALCHEMY_API_KEY || "oKxs-03sij-U_N0iOlrSsZFr29-IqbuF";
+const providerRpcUrl = process.env.PROVIDER_RPC;
+const providerApiKey = process.env.GETBLOCK_API_KEY;
+
+// If not set, it uses ours Alchemy's default API key, which doesn't work (gives ProviderError: The team owning this app is inactive. Please contact support at https://dashboard.alchemyapi.io/support)
+// You can get your own at https://dashboard.alchemyapi.io.
+// const providerApiKey = process.env.ALCHEMY_API_KEY || "oKxs-03sij-U_N0iOlrSsZFr29-IqbuF";
 // If not set, it uses the hardhat account 0 private key.
 
 const { MNEMONIC } = process.env;
@@ -21,6 +24,11 @@ const deployerPrivateKey =
 // If not set, it uses ours Etherscan default API key.
 const etherscanApiKey = process.env.ETHERSCAN_API_KEY || "DNXJA8RX2Q3VZ4URQIWP7Z68CJXQZSC6AW";
 
+console.log({
+  providerRpcUrl,
+  providerApiKey,
+});
+
 const config: HardhatUserConfig = {
   solidity: {
     compilers: [
@@ -57,7 +65,7 @@ const config: HardhatUserConfig = {
       accounts: [deployerPrivateKey],
     },
     sepolia: {
-      url: `https://eth-sepolia.g.alchemy.com/v2/${providerApiKey}`,
+      url: `${providerRpcUrl || "https://eth-sepolia.g.alchemy.com/v2/"}${providerApiKey}`,
       accounts: [deployerPrivateKey],
     },
     arbitrum: {