chore: Simplify TokenListController initialization #7740
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sahar-fehri
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Jan 27, 2026
| * data loaded from storage would be immediately written back. | ||
| * Chains are removed from this set after being skipped once. | ||
| */ | ||
| readonly #chainsLoadedFromStorage: Set<Hex> = new Set(); |
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Thanks a lot for removing this! That was a workaround to avoid doing redundant writes 🙏
There was some complexity in handling the order of operations between controller initialization and the event to persist state changes. To simplify this, the controller has been updated such that it no longer persists state changes until _after_ initialization. This makes the logic easier to follow, and lets us delete an instance variable and a few blocks of code. The controller will be initialized as part of wallet initialization, so it will not be "constructed but uninitialized" for any significant length of time.
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sahar-fehri
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Explanation
There was some complexity in handling the order of operations between controller initialization and the event to persist state changes.
To simplify this, the controller has been updated such that it no longer persists state changes until after initialization. This makes the logic easier to follow, and lets us delete an instance variable and a few blocks of code.
The controller will be initialized as part of wallet initialization, so it will not be "constructed but uninitialized" for any significant length of time.
References
Related to changes made in this PR: #7413
Checklist
Note
Streamlines persistence and storage sync for
TokenListController.initialize(); noStorageServicewrites occur before init, while pre-init state updates are persisted after init#chainsLoadedFromStorageand related skip logic;#onCacheChangednow consistently marks changed chains for debounced save#synchronizeCacheWithStorage: loads per-chain cache, merges without overwriting fresher in-memory data, and schedules persistence for chains already in stateinitialize()where required and adds coverage for pre-init/non-init persistence behaviors and storage error handlingWritten by Cursor Bugbot for commit 11d2a4f. This will update automatically on new commits. Configure here.