From 9b5a1e5293c9698d8cc5ed44ba86003f816aafa0 Mon Sep 17 00:00:00 2001
From: Brian Bergeron <brian.e.bergeron@gmail.com>
Date: Thu, 7 Nov 2024 07:41:21 -0800
Subject: [PATCH] fix: relax network symbol length validation (#11693)
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## **Description**

When adding a network with wallet_addEthereumChain, MetaMask was
requiring the chain's symbol to be minimum of 2 characters. But there
are networks with single character symbols.

## **Related issues**

- Equivalent PR on extension:
https://github.com/MetaMask/metamask-extension/pull/24872
-  https://github.com/MetaMask/metamask-mobile/issues/11217

## **Manual testing steps**



## **Screenshots/Recordings**

<!-- If applicable, add screenshots and/or recordings to visualize the
before and after of your change. -->

### **Before**

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### **After**

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## **Pre-merge author checklist**

- [ ] I’ve followed [MetaMask Contributor
Docs](https://github.com/MetaMask/contributor-docs) and [MetaMask Mobile
Coding
Standards](https://github.com/MetaMask/metamask-mobile/blob/main/.github/guidelines/CODING_GUIDELINES.md).
- [ ] I've completed the PR template to the best of my ability
- [ ] I’ve included tests if applicable
- [ ] I’ve documented my code using [JSDoc](https://jsdoc.app/) format
if applicable
- [ ] I’ve applied the right labels on the PR (see [labeling
guidelines](https://github.com/MetaMask/metamask-mobile/blob/main/.github/guidelines/LABELING_GUIDELINES.md)).
Not required for external contributors.

## **Pre-merge reviewer checklist**

- [ ] I've manually tested the PR (e.g. pull and build branch, run the
app, test code being changed).
- [ ] I confirm that this PR addresses all acceptance criteria described
in the ticket it closes and includes the necessary testing evidence such
as recordings and or screenshots.
---
 app/core/RPCMethods/lib/ethereum-chain-utils.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/core/RPCMethods/lib/ethereum-chain-utils.js b/app/core/RPCMethods/lib/ethereum-chain-utils.js
index 44fe63c1d33..cb71659205f 100644
--- a/app/core/RPCMethods/lib/ethereum-chain-utils.js
+++ b/app/core/RPCMethods/lib/ethereum-chain-utils.js
@@ -155,9 +155,9 @@ function validateNativeCurrency(nativeCurrency) {
   }
   const ticker = nativeCurrency?.symbol || 'ETH';
 
-  if (typeof ticker !== 'string' || ticker.length < 2 || ticker.length > 6) {
+  if (typeof ticker !== 'string' || ticker.length < 1 || ticker.length > 6) {
     throw rpcErrors.invalidParams({
-      message: `Expected 2-6 character string 'nativeCurrency.symbol'. Received:\n${ticker}`,
+      message: `Expected 1-6 character string 'nativeCurrency.symbol'. Received:\n${ticker}`,
     });
   }