Allow default network switching with addEthereumChain. MetaMask#10623 M…

…etaMask#10597
miguelmota · Mar 24, 2021 · a0f3d95 · a0f3d95
1 parent 1cfa582
commit a0f3d95
Showing 1 changed file with 0 additions and 9 deletions.
diff --git a/app/scripts/lib/rpc-method-middleware/handlers/add-ethereum-chain.js b/app/scripts/lib/rpc-method-middleware/handlers/add-ethereum-chain.js
@@ -7,7 +7,6 @@ import {
   isSafeChainId,
 } from '../../../../../shared/modules/network.utils';
 import { jsonRpcRequest } from '../../../../../shared/modules/rpc.utils';
-import { CHAIN_ID_TO_NETWORK_ID_MAP } from '../../../../../shared/constants/network';
 
 const addEthereumChain = {
   methodNames: [MESSAGE_TYPE.ADD_ETHEREUM_CHAIN],
@@ -113,14 +112,6 @@ async function addEthereumChainHandler(
     );
   }
 
-  if (CHAIN_ID_TO_NETWORK_ID_MAP[_chainId]) {
-    return end(
-      ethErrors.rpc.invalidParams({
-        message: `May not specify default MetaMask chain.`,
-      }),
-    );
-  }
-
   const existingNetwork = findCustomRpcBy({ chainId: _chainId });
 
   if (existingNetwork !== null) {