From 4058649b149e799077e0f36724fc11d144b81562 Mon Sep 17 00:00:00 2001
From: Ben Kremer <ben@walletconnect.com>
Date: Thu, 17 Feb 2022 11:33:12 +0100
Subject: [PATCH] feat: adds `web3Provider.send("eth_sign",...)`

---
 dapps/react-dapp-v2-with-ethers/src/App.tsx | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/dapps/react-dapp-v2-with-ethers/src/App.tsx b/dapps/react-dapp-v2-with-ethers/src/App.tsx
index 994b319..8f67f58 100644
--- a/dapps/react-dapp-v2-with-ethers/src/App.tsx
+++ b/dapps/react-dapp-v2-with-ethers/src/App.tsx
@@ -86,6 +86,23 @@ export default function App() {
     };
   };
 
+  const testEthSign: () => Promise<IFormattedRpcResponse> = async () => {
+    if (!web3Provider) {
+      throw new Error("web3Provider not connected");
+    }
+    const msg = "hello world";
+    const hexMsg = encoding.utf8ToHex(msg, true);
+    const address = accounts[0];
+    const signature = await web3Provider.send("eth_sign", [address, hexMsg]);
+    const valid = utils.verifyMessage(msg, signature) === address;
+    return {
+      method: "eth_sign (standard)",
+      address,
+      valid,
+      result: signature,
+    };
+  };
+
   const testSignTypedData: () => Promise<IFormattedRpcResponse> = async () => {
     if (!web3Provider) {
       throw new Error("web3Provider not connected");
@@ -160,6 +177,7 @@ export default function App() {
     return [
       // { method: "eth_sendTransaction", callback: onSendTransaction },
       { method: "personal_sign", callback: wrapRpcRequest(testSignMessage) },
+      { method: "eth_sign (standard)", callback: wrapRpcRequest(testEthSign) },
       { method: "eth_signTypedData", callback: wrapRpcRequest(testSignTypedData) },
     ];
   };