feat: arc network integration cp-13.35.1#43509
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✨ Files requiring CODEOWNER review ✨👨🔧 @MetaMask/core-extension-ux (1 files, +20 -7)
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Prithpal-Sooriya
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Builds ready [9ae50ea]
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Description
arc network integration
Changelog
CHANGELOG entry: arc network integration
Related issues
Fixes:
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Note
Medium Risk
Changes balance aggregation and asset visibility on Arc; incorrect filtering could hide the wrong token or skew displayed balances, but scope is chain-specific and covered by tests.
Overview
On Arc, native gas is USDC, so the USDC ERC20 at
ARC_USDC_TOKEN_ADDRESS(0x3600…) is treated as a display duplicate of native USDC. This PR hides that ERC20 everywhere users pick or see tokens, while keeping native USDC as the source of truth.A shared constant and comments document the contract. Asset selectors drop the ERC20 from per-chain asset maps (including hidden assets), and token balance aggregation strips the same address on Arc so totals are not doubled. Token management and the send asset picker apply the same filter (with hex/CAIP chain id and address normalization). API token search/browse on Arc also omits the duplicate.
When assets-unify-state is on,
useArcDefaultTokensruns underAssetsControllerPollingand batch-imports Arc USDC as a custom asset for each EVM account that does not already have it, only if Arc is configured—without re-dispatching on re-render.Reviewed by Cursor Bugbot for commit 9ae50ea. Bugbot is set up for automated code reviews on this repo. Configure here.