fix: Managed removed property from MultichainAssetsController:accountAssetListUpdated event body#8461
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gabrieledm wants to merge 27 commits intomainfrom
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fix: Managed removed property from MultichainAssetsController:accountAssetListUpdated event body#8461gabrieledm wants to merge 27 commits intomainfrom
removed property from MultichainAssetsController:accountAssetListUpdated event body#8461gabrieledm wants to merge 27 commits intomainfrom
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…untAssetListUpdated` event body to manage stale balances
…untAssetListUpdated` event body to manage stale balances
…tps://github.com/MetaMask/core into fix/NEB-892_usdt-balance-not-updating-after-swap
Signed-off-by: gabrieledm <gabriele.delmonte-ext@consensys.net>
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salimtb
reviewed
Apr 16, 2026
| const newAccountAssets = Object.entries(assets).map( | ||
| ([accountId, { added }]) => ({ | ||
| const updatedAccountAssets = Object.entries(assets).map( | ||
| ([accountId, { added, removed }]) => ({ |
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should we have the same fix on the MultichainAssetsRatesController ?
Prithpal-Sooriya
previously approved these changes
Apr 16, 2026
…tps://github.com/MetaMask/core into fix/NEB-892_usdt-balance-not-updating-after-swap
…tps://github.com/MetaMask/core into fix/NEB-892_usdt-balance-not-updating-after-swap
…tps://github.com/MetaMask/core into fix/NEB-892_usdt-balance-not-updating-after-swap
Signed-off-by: gabrieledm <gabriele.delmonte-ext@consensys.net>
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Signed-off-by: gabrieledm <gabriele.delmonte-ext@consensys.net>
Prithpal-Sooriya
approved these changes
Apr 16, 2026
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FrederikBolding
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matthewwalsh0
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Apr 17, 2026
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Explanation
This PR fixes stale multichain asset balances in
MultichainBalancesControllerwhenMultichainAssetsController:accountAssetListUpdatedis emitted.Before this change, the controller only used the
addedassets from the event payload and ignoredremoved.As a result, balances for assets that were no longer present in the account asset list could remain cached in controller state and continue to appear as stale balances in the client.
Changes in
MultichainBalancesControlleraccountAssetListUpdatedhandler to use bothaddedandremovedremovedadded{ amount: '0', unit: '' }foraddedassets when the snap does not return a balance for themReferences
Checklist
Note
Medium Risk
Touches core cached multichain balances/rates reconciliation logic and deletes state entries based on event payload + global asset tracking checks, so regressions could surface as missing or incorrect balances/prices across accounts.
Overview
Updates
MultichainBalancesControllerto treatMultichainAssetsController:accountAssetListUpdatedas a per-account delta, deleting balances forremovedassets, fetching/merging balances foraddedassets, and writing explicit zero placeholders when snaps omit a balance.Updates
MultichainAssetsRatesControllerto similarly processadded/removeddeltas, purging staleconversionRatesandhistoricalPricesonly when an asset is no longer tracked by any account, and adds coverage for both deletion and “shared asset across accounts” cases.Also updates the assets-controllers changelog entry, trims related ESLint suppressions, and fixes
transaction-pay-controllerto importTransactionMetafrom the public@metamask/transaction-controllerpackage instead of a relative package path.Reviewed by Cursor Bugbot for commit 6195114. Bugbot is set up for automated code reviews on this repo. Configure here.