Add initial alchemy structure code

src/utils/alchemy.ts

@@ -0,0 +1,32 @@
+import { Network, Alchemy } from "alchemy-sdk";
+import { useEtherStore } from "@/store/ether";
+
+const getAlchemy = () => {
+  const possibleSettings = {
+    Ethereum: {
+      apiKey: import.meta.env.VITE_GOERLI_API_KEY,
+      network: Network.ETH_GOERLI,
+    },
+    Polygon: {
+      apiKey: import.meta.env.VITE_MUMBAI_API_KEY,
+      network: Network.MATIC_MUMBAI,
+    },
+  };
+  const etherStore = useEtherStore();
+
+  const settings = possibleSettings[etherStore.networkName];
+  const alchemy = new Alchemy(settings);
+  return alchemy;
+};
+
+const showLatestBlockNumber = async () => {
+  const alchemy = getAlchemy();
+
+  const latestBlock = await alchemy.core.getBlockNumber();
+  if (latestBlock) console.log(latestBlock);
+};
+
+export default {
+  getAlchemy,
+  showLatestBlockNumber,
+};