add connect to ethers provider function and use pinia as ether params store

Co-authored-by: geovanne97 <geovannessaraiva97@gmail.com>
Co-authored-by: brunoedcf <brest.dallacosta@outlook.com>

src/utils/ethers.ts

@@ -0,0 +1,23 @@
+import { useEtherStore } from "@/store/ether";
+import { ethers } from "ethers";
+
+const getProvider = async (): Promise<ethers.providers.Web3Provider | null> => {
+  const etherStore = useEtherStore();
+  const window_ = window as any;
+  let provider: ethers.providers.Web3Provider | null = null;
+
+  if (window_.ethereum) {
+    provider = new ethers.providers.Web3Provider(window_.ethereum);
+
+    const walletAddress = await provider.send("eth_requestAccounts", []);
+    const balance = await provider.getBalance(walletAddress[0]);
+
+    etherStore.setProvider(provider);
+    etherStore.setWalletAddress(walletAddress);
+    etherStore.setBalance(Number(balance));
+  } else console.log("Browser não suporta conexão com metamask");
+
+  return provider;
+};
+
+export default { getProvider };