fix: ARC bridge/swap USDC hide max button + arc bridge code cleanup by maxime-oe · Pull Request #43693 · MetaMask/metamask-extension

maxime-oe · 2026-06-18T15:07:03Z

Description

Patch equivalent of MetaMask/core#9196 for testing and non-reg.

Goals:

Solve remaining issues with Swap/Bridge on ARC: Most importantly the "max swap" behavior (since the current approach doesn't consider USDC as native, which leaves "max" button visible).
Remove as many "quick fixes" as possible from the codebase.

Changelog

CHANGELOG entry: hide max button for ARC USDC Swap

Related issues

Fixes:

Manual testing steps

Go to this page...

Screenshots/Recordings

Before

After

Pre-merge author checklist

I've followed MetaMask Contributor Docs and MetaMask Extension Coding Standards.
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 format if applicable
I’ve applied the right labels on the PR (see labeling guidelines). 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.

Note

Medium Risk
Touches shared bridge-controller native/balance/CAIP parsing used across swap and bridge flows; incorrect native classification could affect max amounts, gas reserve checks, and balances on Arc and other ERC20-as-native chains.

Overview
Moves Arc swap/bridge behavior into @metamask/bridge-controller (yarn patch) so Arc’s default asset is USDC at 0x3600… (6 decimals) with chain id 5042, and tightens native detection for CAIP-19 asset ids and ERC20 balance fetching when the “native” asset is really an ERC20.

The extension drops Arc-specific workarounds: BRIDGE_CHAINID_TO_DEFAULT_FROM_TOKEN, BRIDGE_ASSET_PICKER_HIDDEN_ASSETS, wallet swap token overrides, and ARC_ERC20_USDC_BRIDGE_ASSET. Defaults now use getNativeAssetForChainId everywhere; bridge asset picker reads ERC20 balances for pseudo-native tokens (fixes USD pricing); balance thunks pass the real native token address instead of always 0x0.

Together this should treat Arc USDC as the chain native in bridge/swap (including max button / reserve logic that keys off isNativeAddress).

^{Reviewed by Cursor Bugbot for commit 20d4ffe. Bugbot is set up for automated code reviews on this repo. Configure here.}

github-actions · 2026-06-18T15:07:15Z

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

mm-token-exchange-service · 2026-06-18T15:17:52Z

✨ Files requiring CODEOWNER review ✨

👨‍🔧 @MetaMask/core-extension-ux (1 files, +4 -8)

📁 shared/
- 📁 lib/
  - 📁 activity/
    - 📁 adapters/
      - 📄 helpers.ts +4 -8

💎 @MetaMask/metamask-assets (1 files, +0 -12)

📁 ui/
- 📁 components/
  - 📁 app/
    - 📁 assets/
      - 📁 enablement/
        
        📄 arc.ts +0 -12

🔄 @MetaMask/swaps-engineers (4 files, +63 -63)

📁 ui/
- 📁 ducks/
  - 📁 bridge/
    - 📄 asset-selectors.ts +45 -31
    - 📄 bridge.ts +15 -4
    - 📄 selectors.ts +2 -7
    - 📄 utils.ts +1 -21

mm-token-exchange-service · 2026-06-18T15:49:59Z

Builds ready [d86cf25]

⚠️ Make sure the build is safe before downloading and running this build.
- Please do not use these builds with accounts that contain significant real money.
- Beware the security risks of cache poisoning.
Webpack builds: chrome, firefox
Webpack builds (beta): chrome, firefox
Webpack builds (flask): chrome, firefox
Webpack builds (test): chrome, firefox
Webpack builds (test-flask): chrome, firefox
bundle size: Bundle Size Stats
bundle analyzer: Bundle Analyzer
interaction-benchmark: Interaction Stats
storybook: Storybook
typescript migration: Dashboard
all artifacts

Deprecated Browserify fallback builds

Browserify builds: chrome, firefox
Browserify builds (beta): chrome, firefox
Browserify builds (flask): chrome, firefox
Browserify builds (test): chrome, firefox
Browserify builds (test-flask): chrome, firefox

⚡ Performance Benchmarks (Total: 🟢 18 pass · 🟡 7 warn · 🔴 0 fail)

Baseline (latest main): c57a887 | Date: 6/18/2026 | Pipeline: 27769756046 | Baseline logs

Interaction Benchmarks · Samples: 5

Benchmark chrome-webpack firefox-webpack
loadNewAccount
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
🔴 load_new_account
confirmTx
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
bridgeUserActions
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]

📈 Results compared to the previous 5 runs on main
↓ loadNewAccount/load_new_account: -32%
↓ loadNewAccount/total: -32%
↓ loadNewAccount/inp: -17%
↑ loadNewAccount/cls: +23%
↑ bridgeUserActions/tbt: +12%
↓ bridgeUserActions/inp: -17%
↑ loadNewAccount/load_new_account: +404%
↑ loadNewAccount/total: +404%
↓ loadNewAccount/inp: -24%
↓ loadNewAccount/fcp: -51%
↑ loadNewAccount/lcp: +1168%
↑ confirmTx/confirm_tx: +10%
↓ confirmTx/longTaskCount: -100%
↓ confirmTx/longTaskTotalDuration: -100%
↓ confirmTx/longTaskMaxDuration: -100%
↓ confirmTx/tbt: -100%
↑ confirmTx/total: +10%
↓ confirmTx/fcp: -51%
↑ confirmTx/lcp: +1138%
↑ bridgeUserActions/bridge_load_page: +101%
↑ bridgeUserActions/bridge_load_asset_picker: +21%
↓ bridgeUserActions/longTaskCount: -100%
↓ bridgeUserActions/longTaskTotalDuration: -100%
↓ bridgeUserActions/longTaskMaxDuration: -100%
↓ bridgeUserActions/tbt: -100%
↑ bridgeUserActions/total: +23%
↓ bridgeUserActions/inp: -25%
↓ bridgeUserActions/fcp: -53%
↑ bridgeUserActions/lcp: +1157%

Startup Benchmarks · Samples: 100

Benchmark chrome-webpack firefox-webpack
startupStandardHome
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
startupPowerUserHome
[Sentry log · main/release] 🟡 [CI log] 🟡 [CI log]

📈 Results compared to the previous 5 runs on main
↓ startupStandardHome/setupStore: -13%
↑ startupStandardHome/numNetworkReqs: +12%
↑ startupPowerUserHome/firstPaint: +15%
↓ startupPowerUserHome/numNetworkReqs: -13%
↑ startupPowerUserHome/lcp: +15%
↑ startupStandardHome/backgroundConnect: +11%
↑ startupStandardHome/initialActions: +11%
↑ startupStandardHome/setupStore: +14%
↓ startupStandardHome/inp: -17%
↑ startupPowerUserHome/domInteractive: +22%
↓ startupPowerUserHome/backgroundConnect: -41%
↓ startupPowerUserHome/setupStore: -34%
↑ startupPowerUserHome/fcp: +17%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)
🟡 startupPowerUserHome/INP: p75 480ms
🟡 startupPowerUserHome/LCP: p75 3.1s

User Journey Benchmarks · Samples: 5 · mock API

Benchmark chrome-webpack firefox-webpack
onboardingImportWallet
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
onboardingNewWallet
[Sentry log · main/release] 🟢 [CI log] 🟡 [CI log]
🟡 total
assetDetails
[Sentry log · main/release] 🟢 [CI log] 🟡 [CI log]
solanaAssetDetails
[Sentry log · main/release] 🟢 [CI log] 🟡 [CI log]
importSrpHome
[Sentry log · main/release] 🟢 [CI log] 🟡 [CI log]
sendTransactions
[Sentry log · main/release] 🟢 [CI log] 🟡 [CI log]
swap
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]

📈 Results compared to the previous 5 runs on main
↑ onboardingImportWallet/confirmSrpToPwForm: +11%
↓ onboardingImportWallet/metricsToWalletReadyScreen: -12%
↓ onboardingImportWallet/doneButtonToHomeScreen: -89%
↓ onboardingImportWallet/openAccountMenuToAccountListLoaded: -98%
↓ onboardingImportWallet/longTaskCount: -77%
↓ onboardingImportWallet/longTaskTotalDuration: -95%
↓ onboardingImportWallet/longTaskMaxDuration: -93%
↓ onboardingImportWallet/tbt: -99%
↓ onboardingImportWallet/total: -89%
↓ onboardingNewWallet/agreeButtonToOnboardingSuccess: -13%
↓ onboardingNewWallet/doneButtonToAssetList: -38%
↓ onboardingNewWallet/longTaskCount: -55%
↓ onboardingNewWallet/longTaskTotalDuration: -62%
↓ onboardingNewWallet/longTaskMaxDuration: -35%
↓ onboardingNewWallet/tbt: -76%
↓ onboardingNewWallet/total: -33%
↓ solanaAssetDetails/assetClickToPriceChart: -56%
↓ solanaAssetDetails/longTaskCount: -100%
↓ solanaAssetDetails/longTaskTotalDuration: -100%
↓ solanaAssetDetails/longTaskMaxDuration: -100%
↓ solanaAssetDetails/tbt: -100%
↓ solanaAssetDetails/total: -56%
↓ solanaAssetDetails/lcp: -13%
↓ solanaAssetDetails/cls: -86%
↑ importSrpHome/openAccountMenuAfterLogin: +43%
↓ importSrpHome/homeAfterImportWithNewWallet: -40%
↓ importSrpHome/longTaskCount: -35%
↓ importSrpHome/longTaskTotalDuration: -33%
↓ importSrpHome/tbt: -37%
↓ importSrpHome/total: -32%
↓ importSrpHome/inp: -21%
↑ importSrpHome/lcp: +14%
↓ importSrpHome/cls: -73%
↑ sendTransactions/openSendPageFromHome: +126%
↓ sendTransactions/selectTokenToSendFormLoaded: -39%
↓ sendTransactions/inp: -42%
↓ sendTransactions/cls: -84%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)
🟡 assetDetails/FCP: p75 1.9s
🟡 solanaAssetDetails/FCP: p75 1.9s
🟡 importSrpHome/FCP: p75 1.9s
🟡 sendTransactions/FCP: p75 1.9s

Dapp Page Load Benchmarks · Samples: 100

Benchmark chrome-webpack
dappPageLoad
[Sentry log · main/release] 🟢 [CI log]

Bundle size diffs [🚀 Bundle size reduced!]

background: -3.66 KiB (-0.03%)
ui: -1.29 KiB (-0.01%)
common: 0 Bytes (0%)
other: 0 Bytes (0%)
contentScripts: -172 Bytes (-0.01%)
zip: -1.36 KiB (-0.01%)

mm-token-exchange-service · 2026-06-19T06:47:00Z

Builds ready [6e0638b]

⚠️ Make sure the build is safe before downloading and running this build.
- Please do not use these builds with accounts that contain significant real money.
- Beware the security risks of cache poisoning.
Webpack builds: chrome, firefox
Webpack builds (beta): chrome, firefox
Webpack builds (flask): chrome, firefox
Webpack builds (test): chrome, firefox
Webpack builds (test-flask): chrome, firefox
bundle size: Bundle Size Stats
bundle analyzer: Bundle Analyzer
interaction-benchmark: Interaction Stats
storybook: Storybook
typescript migration: Dashboard
all artifacts

Deprecated Browserify fallback builds

Browserify builds: chrome, firefox
Browserify builds (beta): chrome, firefox
Browserify builds (flask): chrome, firefox
Browserify builds (test): chrome, firefox
Browserify builds (test-flask): chrome, firefox

⚡ Performance Benchmarks (Total: 🟢 19 pass · 🟡 6 warn · 🔴 0 fail)

Baseline (latest main): 11a76df | Date: 6/19/2026 | Pipeline: 27809052783 | Baseline logs

Interaction Benchmarks · Samples: 5

Benchmark chrome-webpack firefox-webpack
loadNewAccount
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
confirmTx
[Sentry log · main/release] 🟢 [CI log] 🟡 [CI log]
bridgeUserActions
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
🟡 bridge_search_token

📈 Results compared to the previous 5 runs on main
↑ loadNewAccount/inp: +29%
↓ confirmTx/inp: -10%
↓ bridgeUserActions/bridge_load_page: -11%
↑ bridgeUserActions/bridge_load_asset_picker: +14%
↑ bridgeUserActions/longTaskCount: +67%
↑ bridgeUserActions/longTaskTotalDuration: +39%
↑ bridgeUserActions/inp: +42%
↑ loadNewAccount/load_new_account: +50%
↑ loadNewAccount/total: +50%
↓ loadNewAccount/inp: -14%
↓ loadNewAccount/fcp: -50%
↑ loadNewAccount/lcp: +1038%
↑ confirmTx/confirm_tx: +13%
↓ confirmTx/longTaskCount: -100%
↓ confirmTx/longTaskTotalDuration: -100%
↓ confirmTx/longTaskMaxDuration: -100%
↓ confirmTx/tbt: -100%
↑ confirmTx/total: +13%
↑ confirmTx/lcp: +1132%
↑ bridgeUserActions/bridge_load_page: +110%
↑ bridgeUserActions/bridge_load_asset_picker: +142%
↑ bridgeUserActions/bridge_search_token: +205%
↓ bridgeUserActions/longTaskCount: -100%
↓ bridgeUserActions/longTaskTotalDuration: -100%
↓ bridgeUserActions/longTaskMaxDuration: -100%
↓ bridgeUserActions/tbt: -100%
↑ bridgeUserActions/total: +187%
↑ bridgeUserActions/inp: +13%
↑ bridgeUserActions/lcp: +1128%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)
🟡 confirmTx/FCP: p75 1.8s

Startup Benchmarks · Samples: 100

Benchmark chrome-webpack firefox-webpack
startupStandardHome
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
startupPowerUserHome
[Sentry log · main/release] 🟡 [CI log] 🟡 [CI log]

📈 Results compared to the previous 5 runs on main
↑ startupStandardHome/numNetworkReqs: +11%
↑ startupPowerUserHome/initialActions: +18%
↓ startupStandardHome/inp: -17%
↑ startupStandardHome/fcp: +10%
↑ startupPowerUserHome/domInteractive: +15%
↑ startupPowerUserHome/backgroundConnect: +48%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)
🟡 startupPowerUserHome/INP: p75 448ms
🟡 startupPowerUserHome/LCP: p75 3.2s

User Journey Benchmarks · Samples: 5 · mock API

Benchmark chrome-webpack firefox-webpack
onboardingImportWallet
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
onboardingNewWallet
[Sentry log · main/release] 🟢 [CI log] 🟡 [CI log]
🟡 total
assetDetails
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
solanaAssetDetails
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
importSrpHome
[Sentry log · main/release] 🟡 [CI log] 🟡 [CI log]
sendTransactions
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
swap
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]

📈 Results compared to the previous 5 runs on main
↓ onboardingImportWallet/metricsToWalletReadyScreen: -11%
↓ onboardingImportWallet/doneButtonToHomeScreen: -86%
↓ onboardingImportWallet/openAccountMenuToAccountListLoaded: -39%
↓ onboardingImportWallet/longTaskCount: -78%
↓ onboardingImportWallet/longTaskTotalDuration: -92%
↓ onboardingImportWallet/longTaskMaxDuration: -89%
↓ onboardingImportWallet/tbt: -96%
↓ onboardingImportWallet/total: -83%
↑ onboardingNewWallet/createWalletToSocialScreen: +17%
↑ onboardingNewWallet/srpButtonToPwForm: +71%
↑ onboardingNewWallet/createPwToRecoveryScreen: +84%
↑ onboardingNewWallet/skipBackupToMetricsScreen: +93%
↑ onboardingNewWallet/agreeButtonToOnboardingSuccess: +70%
↑ onboardingNewWallet/longTaskCount: +100%
↑ onboardingNewWallet/longTaskTotalDuration: +73%
↑ onboardingNewWallet/longTaskMaxDuration: +26%
↑ onboardingNewWallet/tbt: +112%
↑ solanaAssetDetails/assetClickToPriceChart: +31%
↑ solanaAssetDetails/longTaskCount: +400%
↑ solanaAssetDetails/longTaskTotalDuration: +364%
↑ solanaAssetDetails/longTaskMaxDuration: +364%
↑ solanaAssetDetails/tbt: +327%
↑ solanaAssetDetails/total: +31%
↓ solanaAssetDetails/lcp: -13%
↓ solanaAssetDetails/cls: -76%
↑ importSrpHome/openAccountMenuAfterLogin: +16%
↓ importSrpHome/homeAfterImportWithNewWallet: -32%
↓ importSrpHome/longTaskCount: -31%
↓ importSrpHome/longTaskTotalDuration: -27%
↓ importSrpHome/longTaskMaxDuration: -24%
↓ importSrpHome/tbt: -26%
↓ importSrpHome/total: -28%
↓ importSrpHome/lcp: -13%
↓ importSrpHome/cls: -79%
↓ sendTransactions/openSendPageFromHome: -20%
↓ sendTransactions/selectTokenToSendFormLoaded: -25%
↓ sendTransactions/reviewTransactionToConfirmationPage: -11%
↑ sendTransactions/longTaskCount: +11%
↑ sendTransactions/longTaskTotalDuration: +18%
↑ sendTransactions/tbt: +20%
↓ sendTransactions/total: -10%
↓ sendTransactions/inp: -29%
↓ sendTransactions/lcp: -10%
↓ sendTransactions/cls: -77%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)
🟡 importSrpHome/INP: p75 256ms
🟡 importSrpHome/FCP: p75 1.8s

Dapp Page Load Benchmarks · Samples: 100

Benchmark chrome-webpack
dappPageLoad
[Sentry log · main/release] 🟢 [CI log]

📈 Results compared to the previous 5 runs on main
↑ dappPageLoad/pageLoadTime: +20%
↑ dappPageLoad/domContentLoaded: +19%
↑ dappPageLoad/firstPaint: +11%
↑ dappPageLoad/firstContentfulPaint: +11%

Bundle size diffs [🚨 Warning! Bundle size has increased!]

background: -3.02 KiB (-0.03%)
ui: 9.79 KiB (0.06%)
common: 0 Bytes (0%)
other: 0 Bytes (0%)
contentScripts: -94 Bytes (-0.01%)
zip: -2.86 KiB (-0.01%)

mm-token-exchange-service · 2026-06-19T08:17:23Z

Builds ready [0030d6f]

⚠️ Make sure the build is safe before downloading and running this build.
- Please do not use these builds with accounts that contain significant real money.
- Beware the security risks of cache poisoning.
Webpack builds: chrome, firefox
Webpack builds (beta): chrome, firefox
Webpack builds (flask): chrome, firefox
Webpack builds (test): chrome, firefox
Webpack builds (test-flask): chrome, firefox
bundle size: Bundle Size Stats
bundle analyzer: Bundle Analyzer
interaction-benchmark: Interaction Stats
storybook: Storybook
typescript migration: Dashboard
all artifacts

Deprecated Browserify fallback builds

Browserify builds: chrome, firefox
Browserify builds (beta): chrome, firefox
Browserify builds (flask): chrome, firefox
Browserify builds (test): chrome, firefox
Browserify builds (test-flask): chrome, firefox

⚡ Performance Benchmarks (Total: 🟢 14 pass · 🟡 10 warn · 🔴 1 fail)

Baseline (latest main): 11a76df | Date: 6/19/2026 | Pipeline: 27812734110 | Baseline logs

Metrics chrome-webpack firefox-webpack
onboardingNewWallet
[Sentry log · main/release] 🟢 [CI log] 🔴 [CI log]

Regressions (🔴 1 failure)

onboardingNewWallet [Sentry log · main/release] · firefox-webpack — total(p75) [CI log]

Interaction Benchmarks · Samples: 5

Benchmark chrome-webpack firefox-webpack
loadNewAccount
[Sentry log · main/release] 🟡 [CI log] 🟢 [CI log]
🔴 load_new_account
confirmTx
[Sentry log · main/release] 🟡 [CI log] 🟡 [CI log]
bridgeUserActions
[Sentry log · main/release] 🟡 [CI log] 🟢 [CI log]

📈 Results compared to the previous 5 runs on main
↑ loadNewAccount/load_new_account: +54%
↑ loadNewAccount/total: +54%
↑ loadNewAccount/inp: +47%
↑ loadNewAccount/fcp: +27%
↑ loadNewAccount/lcp: +27%
↑ confirmTx/longTaskCount: +33%
↑ confirmTx/longTaskTotalDuration: +68%
↑ confirmTx/longTaskMaxDuration: +38%
↑ confirmTx/tbt: +96%
↑ confirmTx/inp: +30%
↑ confirmTx/fcp: +22%
↑ confirmTx/lcp: +26%
↑ bridgeUserActions/bridge_load_page: +36%
↑ bridgeUserActions/bridge_load_asset_picker: +20%
↑ bridgeUserActions/longTaskCount: +150%
↑ bridgeUserActions/longTaskTotalDuration: +121%
↑ bridgeUserActions/longTaskMaxDuration: +24%
↑ bridgeUserActions/tbt: +82%
↑ bridgeUserActions/total: +15%
↑ bridgeUserActions/inp: +32%
↑ bridgeUserActions/fcp: +16%
↑ bridgeUserActions/lcp: +16%
↑ loadNewAccount/load_new_account: +543%
↑ loadNewAccount/total: +543%
↑ loadNewAccount/inp: +12%
↓ loadNewAccount/fcp: -47%
↑ loadNewAccount/lcp: +1110%
↑ confirmTx/confirm_tx: +13%
↓ confirmTx/longTaskCount: -100%
↓ confirmTx/longTaskTotalDuration: -100%
↓ confirmTx/longTaskMaxDuration: -100%
↓ confirmTx/tbt: -100%
↑ confirmTx/total: +13%
↑ confirmTx/lcp: +1138%
↑ bridgeUserActions/bridge_load_page: +76%
↑ bridgeUserActions/bridge_load_asset_picker: +95%
↓ bridgeUserActions/longTaskCount: -100%
↓ bridgeUserActions/longTaskTotalDuration: -100%
↓ bridgeUserActions/longTaskMaxDuration: -100%
↓ bridgeUserActions/tbt: -100%
↑ bridgeUserActions/total: +30%
↓ bridgeUserActions/fcp: -51%
↑ bridgeUserActions/lcp: +1107%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)
🟡 loadNewAccount/FCP: p75 2.2s
🟡 confirmTx/FCP: p75 2.1s
🟡 bridgeUserActions/FCP: p75 2.0s
🟡 confirmTx/FCP: p75 1.8s

Startup Benchmarks · Samples: 100

Benchmark chrome-webpack firefox-webpack
startupStandardHome
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
startupPowerUserHome
[Sentry log · main/release] 🟡 [CI log] 🟡 [CI log]

📈 Results compared to the previous 5 runs on main
↑ startupStandardHome/numNetworkReqs: +11%
↓ startupPowerUserHome/initialActions: -12%
↓ startupPowerUserHome/inp: -11%
↓ startupStandardHome/inp: -17%
↑ startupPowerUserHome/domInteractive: +12%
↓ startupPowerUserHome/backgroundConnect: -13%
↑ startupPowerUserHome/setupStore: +13%
↑ startupPowerUserHome/fcp: +13%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)
🟡 startupPowerUserHome/INP: p75 432ms
🟡 startupPowerUserHome/LCP: p75 2.8s

User Journey Benchmarks · Samples: 5 · mock API 🔴 1

Benchmark chrome-webpack firefox-webpack
onboardingImportWallet
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
onboardingNewWallet
[Sentry log · main/release] 🟢 [CI log] 🔴 [CI log]
🔴 total
assetDetails
[Sentry log · main/release] 🟡 [CI log] 🟡 [CI log]
solanaAssetDetails
[Sentry log · main/release] 🟢 [CI log] 🟡 [CI log]
importSrpHome
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
sendTransactions
[Sentry log · main/release] 🟢 [CI log] 🟡 [CI log]
swap
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]

📈 Results compared to the previous 5 runs on main
↑ onboardingImportWallet/srpButtonToSrpForm: +11%
↓ onboardingImportWallet/metricsToWalletReadyScreen: -16%
↓ onboardingImportWallet/doneButtonToHomeScreen: -86%
↓ onboardingImportWallet/openAccountMenuToAccountListLoaded: -97%
↓ onboardingImportWallet/longTaskCount: -78%
↓ onboardingImportWallet/longTaskTotalDuration: -93%
↓ onboardingImportWallet/longTaskMaxDuration: -90%
↓ onboardingImportWallet/tbt: -98%
↓ onboardingImportWallet/total: -85%
↑ onboardingNewWallet/skipBackupToMetricsScreen: +14%
↓ onboardingNewWallet/agreeButtonToOnboardingSuccess: -21%
↓ onboardingNewWallet/doneButtonToAssetList: -28%
↓ onboardingNewWallet/longTaskCount: -50%
↓ onboardingNewWallet/longTaskTotalDuration: -34%
↓ onboardingNewWallet/total: -25%
↓ solanaAssetDetails/assetClickToPriceChart: -68%
↓ solanaAssetDetails/longTaskCount: -100%
↓ solanaAssetDetails/longTaskTotalDuration: -100%
↓ solanaAssetDetails/longTaskMaxDuration: -100%
↓ solanaAssetDetails/tbt: -100%
↓ solanaAssetDetails/total: -68%
↓ solanaAssetDetails/cls: -76%
↓ importSrpHome/homeAfterImportWithNewWallet: -30%
↓ importSrpHome/longTaskCount: -31%
↓ importSrpHome/longTaskTotalDuration: -31%
↓ importSrpHome/tbt: -34%
↓ importSrpHome/total: -24%
↓ importSrpHome/inp: -26%
↓ importSrpHome/cls: -79%
↓ sendTransactions/selectTokenToSendFormLoaded: -47%
↓ sendTransactions/reviewTransactionToConfirmationPage: -16%
↑ sendTransactions/longTaskCount: +11%
↓ sendTransactions/longTaskMaxDuration: -17%
↓ sendTransactions/tbt: -13%
↓ sendTransactions/total: -10%
↓ sendTransactions/inp: -47%
↓ sendTransactions/fcp: -20%
↓ sendTransactions/lcp: -14%
↓ sendTransactions/cls: -77%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)
🟡 assetDetails/INP: p75 208ms
🟡 assetDetails/FCP: p75 2.2s
🟡 assetDetails/FCP: p75 1.9s
🟡 solanaAssetDetails/FCP: p75 1.8s
🟡 sendTransactions/FCP: p75 1.9s

Dapp Page Load Benchmarks · Samples: 100

Benchmark chrome-webpack
dappPageLoad
[Sentry log · main/release] 🟢 [CI log]

📈 Results compared to the previous 5 runs on main
↑ dappPageLoad/domContentLoaded: +14%

Bundle size diffs [🚨 Warning! Bundle size has increased!]

background: -3.02 KiB (-0.03%)
ui: 9.83 KiB (0.06%)
common: 0 Bytes (0%)
other: 0 Bytes (0%)
contentScripts: -94 Bytes (-0.01%)
zip: -2.85 KiB (-0.01%)

mm-token-exchange-service · 2026-06-19T09:25:24Z

Builds ready [8ae0f7f]

⚠️ Make sure the build is safe before downloading and running this build.
- Please do not use these builds with accounts that contain significant real money.
- Beware the security risks of cache poisoning.
Webpack builds: chrome, firefox
Webpack builds (beta): chrome, firefox
Webpack builds (flask): chrome, firefox
Webpack builds (test): chrome, firefox
Webpack builds (test-flask): chrome, firefox
bundle size: Bundle Size Stats
bundle analyzer: Bundle Analyzer
interaction-benchmark: Interaction Stats
storybook: Storybook
typescript migration: Dashboard
all artifacts

Deprecated Browserify fallback builds

Browserify builds: chrome, firefox
Browserify builds (beta): chrome, firefox
Browserify builds (flask): chrome, firefox
Browserify builds (test): chrome, firefox
Browserify builds (test-flask): chrome, firefox

⚡ Performance Benchmarks (Total: 🟢 16 pass · 🟡 8 warn · 🔴 1 fail)

Baseline (latest main): 11a76df | Date: 6/19/2026 | Pipeline: 27815947886 | Baseline logs

Metrics chrome-webpack firefox-webpack
onboardingNewWallet
[Sentry log · main/release] 🟢 [CI log] 🔴 [CI log]

Regressions (🔴 1 failure)

onboardingNewWallet [Sentry log · main/release] · firefox-webpack — total(p75) [CI log]

Interaction Benchmarks · Samples: 5

Benchmark chrome-webpack firefox-webpack
loadNewAccount
[Sentry log · main/release] 🟡 [CI log] 🟢 [CI log]
confirmTx
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
bridgeUserActions
[Sentry log · main/release] 🟢 [CI log] 🟡 [CI log]
🟡 bridge_search_token

📈 Results compared to the previous 5 runs on main
↓ loadNewAccount/load_new_account: -10%
↓ loadNewAccount/total: -10%
↓ loadNewAccount/inp: -22%
↑ loadNewAccount/fcp: +13%
↓ bridgeUserActions/bridge_load_page: -18%
↑ bridgeUserActions/longTaskCount: +67%
↑ bridgeUserActions/longTaskTotalDuration: +18%
↓ bridgeUserActions/longTaskMaxDuration: -11%
↓ bridgeUserActions/tbt: -24%
↑ loadNewAccount/load_new_account: +49%
↑ loadNewAccount/total: +49%
↓ loadNewAccount/inp: -14%
↓ loadNewAccount/fcp: -47%
↑ loadNewAccount/lcp: +1120%
↑ confirmTx/confirm_tx: +12%
↓ confirmTx/longTaskCount: -100%
↓ confirmTx/longTaskTotalDuration: -100%
↓ confirmTx/longTaskMaxDuration: -100%
↓ confirmTx/tbt: -100%
↑ confirmTx/total: +12%
↓ confirmTx/inp: -10%
↓ confirmTx/fcp: -59%
↑ confirmTx/lcp: +1110%
↑ bridgeUserActions/bridge_load_page: +64%
↑ bridgeUserActions/bridge_load_asset_picker: +84%
↑ bridgeUserActions/bridge_search_token: +249%
↓ bridgeUserActions/longTaskCount: -100%
↓ bridgeUserActions/longTaskTotalDuration: -100%
↓ bridgeUserActions/longTaskMaxDuration: -100%
↓ bridgeUserActions/tbt: -100%
↑ bridgeUserActions/total: +202%
↑ bridgeUserActions/lcp: +1076%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)
🟡 loadNewAccount/FCP: p75 2.0s

Startup Benchmarks · Samples: 100

Benchmark chrome-webpack firefox-webpack
startupStandardHome
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
startupPowerUserHome
[Sentry log · main/release] 🟡 [CI log] 🟡 [CI log]

📈 Results compared to the previous 5 runs on main
↓ startupPowerUserHome/initialActions: -12%
↓ startupStandardHome/inp: -17%
↓ startupPowerUserHome/domInteractive: -17%
↓ startupPowerUserHome/backgroundConnect: -14%
↓ startupPowerUserHome/fcp: -14%
↓ startupPowerUserHome/lcp: -11%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)
🔴 startupPowerUserHome/INP: p75 520ms
🟡 startupPowerUserHome/LCP: p75 2.6s

User Journey Benchmarks · Samples: 5 · mock API 🔴 1

Benchmark chrome-webpack firefox-webpack
onboardingImportWallet
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
onboardingNewWallet
[Sentry log · main/release] 🟢 [CI log] 🔴 [CI log]
🔴 total
assetDetails
[Sentry log · main/release] 🟡 [CI log] 🟢 [CI log]
solanaAssetDetails
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
importSrpHome
[Sentry log · main/release] 🟡 [CI log] 🟡 [CI log]
sendTransactions
[Sentry log · main/release] 🟡 [CI log] 🟢 [CI log]
swap
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]

📈 Results compared to the previous 5 runs on main
↓ onboardingImportWallet/doneButtonToHomeScreen: -85%
↓ onboardingImportWallet/openAccountMenuToAccountListLoaded: -96%
↓ onboardingImportWallet/longTaskCount: -78%
↓ onboardingImportWallet/longTaskTotalDuration: -92%
↓ onboardingImportWallet/longTaskMaxDuration: -91%
↓ onboardingImportWallet/tbt: -98%
↓ onboardingImportWallet/total: -84%
↑ onboardingNewWallet/skipBackupToMetricsScreen: +19%
↓ onboardingNewWallet/longTaskTotalDuration: -30%
↓ onboardingNewWallet/tbt: -32%
↓ solanaAssetDetails/assetClickToPriceChart: -52%
↓ solanaAssetDetails/longTaskCount: -100%
↓ solanaAssetDetails/longTaskTotalDuration: -100%
↓ solanaAssetDetails/longTaskMaxDuration: -100%
↓ solanaAssetDetails/tbt: -100%
↓ solanaAssetDetails/total: -52%
↑ solanaAssetDetails/inp: +47%
↑ solanaAssetDetails/lcp: +11%
↓ solanaAssetDetails/cls: -76%
↓ importSrpHome/loginToHomeScreen: -20%
↑ importSrpHome/openAccountMenuAfterLogin: +89%
↓ importSrpHome/homeAfterImportWithNewWallet: -30%
↓ importSrpHome/longTaskCount: -31%
↓ importSrpHome/longTaskTotalDuration: -27%
↓ importSrpHome/longTaskMaxDuration: -17%
↓ importSrpHome/tbt: -26%
↓ importSrpHome/total: -28%
↓ importSrpHome/cls: -79%
↑ sendTransactions/selectTokenToSendFormLoaded: +51%
↓ sendTransactions/reviewTransactionToConfirmationPage: -12%
↑ sendTransactions/longTaskCount: +11%
↑ sendTransactions/longTaskTotalDuration: +25%
↓ sendTransactions/longTaskMaxDuration: -13%
↑ sendTransactions/tbt: +35%
↓ sendTransactions/total: -12%
↑ sendTransactions/inp: +17%
↑ sendTransactions/fcp: +13%
↓ sendTransactions/cls: -77%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)
🟡 assetDetails/INP: p75 280ms
🟡 assetDetails/FCP: p75 1.8s
🟡 importSrpHome/INP: p75 280ms
🟡 sendTransactions/INP: p75 264ms
🟡 sendTransactions/FCP: p75 1.9s
🟡 importSrpHome/FCP: p75 1.8s

Dapp Page Load Benchmarks · Samples: 100

Benchmark chrome-webpack
dappPageLoad
[Sentry log · main/release] 🟢 [CI log]

📈 Results compared to the previous 5 runs on main
↑ dappPageLoad/pageLoadTime: +15%
↑ dappPageLoad/domContentLoaded: +19%
↑ dappPageLoad/firstPaint: +16%
↑ dappPageLoad/firstContentfulPaint: +16%

Bundle size diffs [🚨 Warning! Bundle size has increased!]

background: -3.02 KiB (-0.03%)
ui: 9.73 KiB (0.06%)
common: 0 Bytes (0%)
other: 0 Bytes (0%)
contentScripts: -94 Bytes (-0.01%)
zip: -2.88 KiB (-0.01%)

cursor

Cursor Bugbot has reviewed your changes and found 1 potential issue.

^{❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, have a team admin enable autofix in the Cursor dashboard.}

^{Reviewed by Cursor Bugbot for commit 20d4ffe. Configure here.}

cursor · 2026-06-19T16:24:43Z

+            balanceByChainIdByAccountAddress[chainId]?.[lowercasedAddress]
+              ?.balance)
+          : (tokenBalances?.[chainId]?.[token.address as Hex] ??
+            tokenBalances?.[chainId]?.[token.address.toLowerCase() as Hex]);


ARC USDC misses account tracker

High Severity

On Arc, wallet USDC is treated as the chain native balance (account tracker), while getNativeAssetForChainId now points at 0x3600…. getNativeAssetsWithBalance only reads ERC20 tokenBalances for that address, and setEVMSrcNativeBalance fetches the same ERC20 balance, so bridge can show zero USDC, omit it from the picker, and mis-run gas checks.

Additional Locations (1)

ui/ducks/bridge/bridge.ts#L99-L101

^{Reviewed by Cursor Bugbot for commit 20d4ffe. Configure here.}

sonarqubecloud · 2026-06-19T16:39:01Z

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
83.9% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

mm-token-exchange-service · 2026-06-19T16:51:49Z

Builds ready [20d4ffe]

⚠️ Make sure the build is safe before downloading and running this build.
- Please do not use these builds with accounts that contain significant real money.
- Beware the security risks of cache poisoning.
Webpack builds: chrome, firefox
Webpack builds (beta): chrome, firefox
Webpack builds (flask): chrome, firefox
Webpack builds (test): chrome, firefox
Webpack builds (test-flask): chrome, firefox
bundle size: Bundle Size Stats
bundle analyzer: Bundle Analyzer
interaction-benchmark: Interaction Stats
storybook: Storybook
typescript migration: Dashboard
all artifacts

Deprecated Browserify fallback builds

Browserify builds: chrome, firefox
Browserify builds (beta): chrome, firefox
Browserify builds (flask): chrome, firefox
Browserify builds (test): chrome, firefox
Browserify builds (test-flask): chrome, firefox

⚡ Performance Benchmarks (Total: 🟢 16 pass · 🟡 8 warn · 🔴 0 fail)

Baseline (latest main): 4385151 | Date: 6/19/2026 | Pipeline: 27836985891 | Baseline logs

Interaction Benchmarks · Samples: 5

Benchmark chrome-webpack firefox-webpack
loadNewAccount
[Sentry log · main/release] 🟢 [CI log] 🟡 [CI log]
confirmTx
[Sentry log · main/release] 🟢 [CI log] 🟡 [CI log]
bridgeUserActions
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]

📈 Results compared to the previous 5 runs on main
↑ loadNewAccount/load_new_account: +34%
↑ loadNewAccount/total: +34%
↓ loadNewAccount/inp: -25%
↓ confirmTx/lcp: -11%
↓ bridgeUserActions/longTaskCount: -29%
↓ bridgeUserActions/longTaskTotalDuration: -16%
↑ loadNewAccount/load_new_account: +39%
↑ loadNewAccount/total: +39%
↓ loadNewAccount/inp: -25%
↑ loadNewAccount/lcp: +1065%
↑ confirmTx/confirm_tx: +11%
↓ confirmTx/longTaskCount: -100%
↓ confirmTx/longTaskTotalDuration: -100%
↓ confirmTx/longTaskMaxDuration: -100%
↓ confirmTx/tbt: -100%
↑ confirmTx/total: +11%
↓ confirmTx/inp: -10%
↑ confirmTx/lcp: +1098%
↑ bridgeUserActions/bridge_load_page: +109%
↑ bridgeUserActions/bridge_load_asset_picker: +47%
↓ bridgeUserActions/longTaskCount: -100%
↓ bridgeUserActions/longTaskTotalDuration: -100%
↓ bridgeUserActions/longTaskMaxDuration: -100%
↓ bridgeUserActions/tbt: -100%
↑ bridgeUserActions/total: +20%
↓ bridgeUserActions/inp: -22%
↓ bridgeUserActions/fcp: -58%
↑ bridgeUserActions/lcp: +1067%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)
🟡 loadNewAccount/FCP: p75 1.8s
🟡 confirmTx/FCP: p75 1.9s

Startup Benchmarks · Samples: 100

Benchmark chrome-webpack firefox-webpack
startupStandardHome
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
startupPowerUserHome
[Sentry log · main/release] – 🟡 [CI log]

📈 Results compared to the previous 5 runs on main
↓ startupStandardHome/backgroundConnect: -12%
↑ startupStandardHome/setupStore: +13%
↑ startupStandardHome/numNetworkReqs: +21%
↓ startupStandardHome/domInteractive: -13%
↓ startupStandardHome/fcp: -11%
↑ startupPowerUserHome/uiStartup: +12%
↑ startupPowerUserHome/domInteractive: +16%
↓ startupPowerUserHome/backgroundConnect: -35%
↑ startupPowerUserHome/setupStore: +111%
↓ startupPowerUserHome/numNetworkReqs: -18%
↑ startupPowerUserHome/inp: +15%
↑ startupPowerUserHome/lcp: +12%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)
🟡 startupPowerUserHome/INP: p75 224ms
🟡 startupPowerUserHome/LCP: p75 3.6s

User Journey Benchmarks · Samples: 5 · mock API

Benchmark chrome-webpack firefox-webpack
onboardingImportWallet
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
onboardingNewWallet
[Sentry log · main/release] 🟢 [CI log] 🟡 [CI log]
🟡 total
assetDetails
[Sentry log · main/release] 🟢 [CI log] 🟡 [CI log]
solanaAssetDetails
[Sentry log · main/release] 🟢 [CI log] 🟡 [CI log]
importSrpHome
[Sentry log · main/release] 🟡 [CI log] 🟡 [CI log]
sendTransactions
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]
swap
[Sentry log · main/release] 🟢 [CI log] 🟢 [CI log]

📈 Results compared to the previous 5 runs on main
↓ onboardingImportWallet/metricsToWalletReadyScreen: -40%
↓ onboardingImportWallet/doneButtonToHomeScreen: -82%
↓ onboardingImportWallet/openAccountMenuToAccountListLoaded: -99%
↓ onboardingImportWallet/longTaskCount: -58%
↓ onboardingImportWallet/longTaskTotalDuration: -87%
↓ onboardingImportWallet/longTaskMaxDuration: -88%
↓ onboardingImportWallet/tbt: -95%
↓ onboardingImportWallet/total: -83%
↑ onboardingNewWallet/srpButtonToPwForm: +15%
↑ onboardingNewWallet/createPwToRecoveryScreen: +14%
↑ onboardingNewWallet/skipBackupToMetricsScreen: +20%
↓ onboardingNewWallet/agreeButtonToOnboardingSuccess: -11%
↑ onboardingNewWallet/doneButtonToAssetList: +64%
↓ onboardingNewWallet/longTaskCount: -29%
↓ onboardingNewWallet/longTaskTotalDuration: -20%
↑ onboardingNewWallet/longTaskMaxDuration: +36%
↓ onboardingNewWallet/tbt: -20%
↑ onboardingNewWallet/total: +51%
↓ solanaAssetDetails/assetClickToPriceChart: -49%
↓ solanaAssetDetails/total: -49%
↓ solanaAssetDetails/inp: -33%
↑ solanaAssetDetails/lcp: +12%
↑ solanaAssetDetails/cls: +167%
↓ importSrpHome/loginToHomeScreen: -19%
↑ importSrpHome/openAccountMenuAfterLogin: +65%
↓ importSrpHome/homeAfterImportWithNewWallet: -42%
↓ importSrpHome/longTaskCount: -25%
↓ importSrpHome/longTaskTotalDuration: -34%
↓ importSrpHome/longTaskMaxDuration: -20%
↓ importSrpHome/tbt: -45%
↓ importSrpHome/total: -36%
↓ importSrpHome/lcp: -64%
↓ importSrpHome/cls: -56%
↓ sendTransactions/openSendPageFromHome: -44%
↑ sendTransactions/selectTokenToSendFormLoaded: +86%
↑ sendTransactions/reviewTransactionToConfirmationPage: +70%
↓ sendTransactions/longTaskCount: -100%
↓ sendTransactions/longTaskTotalDuration: -100%
↓ sendTransactions/longTaskMaxDuration: -100%
↓ sendTransactions/tbt: -100%
↑ sendTransactions/total: +68%
↓ sendTransactions/inp: -22%
↓ sendTransactions/cls: -85%

🌐 Core Web Vitals — 🟢 good · 🟡 needs improvement · 🔴 poor (web.dev thresholds)
🟡 importSrpHome/INP: p75 256ms
🟡 assetDetails/FCP: p75 1.9s
🟡 solanaAssetDetails/FCP: p75 1.9s
🟡 importSrpHome/FCP: p75 1.8s

Dapp Page Load Benchmarks · Samples: 100

Benchmark chrome-webpack
dappPageLoad
[Sentry log · main/release] 🟢 [CI log]

Bundle size diffs [🚨 Warning! Bundle size has increased!]

background: -3.09 KiB (-0.03%)
ui: 10.54 KiB (0.06%)
common: 0 Bytes (0%)
other: 0 Bytes (0%)
contentScripts: -94 Bytes (-0.01%)
zip: -1.32 KiB (0%)

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Comment thread ui/ducks/bridge/asset-selectors.ts

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maxime-oe changed the title ~~fix: ARC bridge/swap USDC hide max button~~ fix: ARC bridge/swap USDC hide max button + arc bridge code cleanup Jun 19, 2026

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fix: ARC bridge/swap USDC hide max button

20d4ffe

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fix: ARC bridge/swap USDC hide max button + arc bridge code cleanup#43693

fix: ARC bridge/swap USDC hide max button + arc bridge code cleanup#43693
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ARC USDC misses account tracker

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