From 4aa39348e8763e1f8eabc85b826c8ee5130270eb Mon Sep 17 00:00:00 2001
From: Mark Stacey <markjstacey@gmail.com>
Date: Fri, 17 Jan 2020 18:37:39 -0400
Subject: [PATCH] Use current `chainId` for `signTypedData` instead of `3`

Instead of using the `chainId` "3" for the `signTypedData` button
(i.e. Ropsten), the test dapp will now use the `chainId` of whichever
network is currently selected (falling back to the `networkId` if there
is no `chainId`).
---
 contract.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/contract.js b/contract.js
index bb1d58bb..6bf7922f 100644
--- a/contract.js
+++ b/contract.js
@@ -269,6 +269,9 @@ const initialize = () => {
     }
 
     signTypedData.onclick = () => {
+      const networkId = parseInt(networkDiv.innerHTML)
+      const chainId = parseInt(chainIdDiv.innerHTML) || networkId
+
       const typedData = {
         types: {
           EIP712Domain: [
@@ -291,7 +294,7 @@ const initialize = () => {
         domain: {
           name: 'Ether Mail',
           version: '1',
-          chainId: 3,
+          chainId,
           verifyingContract: '0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC',
         },
         message: {