## **Description**  Bumping `@metamask/smart-transactions-controller`: ```markdown ## [19.2.0] ### Added - Add missing constants and helpers exports ([#538](MetaMask/smart-transactions-controller#538)) - `MetaMetricsEventCategory` - `MetaMetricsEventName` - `getSmartTransactionMetricsProperties` - `getSmartTransactionMetricsSensitiveProperties` ## [19.1.0] ### Added - Add missing exports for types ([#537](MetaMask/smart-transactions-controller#537)) - `Fee` - `Fees` - `IndividualTxFees` - `FeatureFlags` - `SmartTransactionMinedTx` - `SmartTransaction` - `SmartTransactionCancellationReason` - `SmartTransactionStatuses` - `ClientId` ## [19.0.0] ### Added - This package can now be used in ESM environments as well as CommonJS ([#469](MetaMask/smart-transactions-controller#469)) - Add two new controller state metadata properties: `includeInStateLogs` and `usedInUi` ([#531](MetaMask/smart-transactions-controller#531)) ### Changed - **BREAKING:** Disallow subpath exports ([#469](MetaMask/smart-transactions-controller#469)) - **BREAKING:** Upgrade peer dependency `@metamask/transaction-controller` from `^58.0.0` to `^60.4.0` ([#532](MetaMask/smart-transactions-controller#532), [#534](MetaMask/smart-transactions-controller#534)) - **BREAKING:** Remove `getNonceLock`, `confirmExternalTransaction`, `getTransactions`, and `updateTransaction` constructor option in favor of messenger actions ([#534](MetaMask/smart-transactions-controller#534)) - The messenger is now used to access TransactionController; you must add these actions to the SmartTransactionController messenger allowlist: - `TransactionController:getNonceLock` - `TransactionController:confirmExternalTransaction` - `TransactionController:getTransactions` - `TransactionController:updateTransaction` - Upgrade `@metamask/base-controller` from `^7.0.1` to `^8.3.0` ([#529](MetaMask/smart-transactions-controller#529)) - Upgrade `@metamask/polling-controller` from `^12.0.0` to `^14.0.0` ([#529](MetaMask/smart-transactions-controller#529)) ### Removed - **BREAKING:** Remove default export ([#535](MetaMask/smart-transactions-controller#535)) - Use `import { SmartTransactionsController } from '@metamask/smart-transactions-controller'` instead. ``` [![Open in GitHub Codespaces](https://github.com/codespaces/badge.svg)](https://codespaces.new/MetaMask/metamask-extension/pull/36167?quickstart=1) ## **Changelog**  CHANGELOG entry: null ## **Related issues** Fixes: ## **Manual testing steps** 1. Checkout this branch 2. Try submitting a smart transaction ## **Screenshots/Recordings**  ### **Before**  ### **After**  ## **Pre-merge author checklist** - [ ] I've followed [MetaMask Contributor Docs](https://github.com/MetaMask/contributor-docs) and [MetaMask Extension Coding Standards](https://github.com/MetaMask/metamask-extension/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-extension/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.  --- > [!NOTE] > Upgrades `@metamask/smart-transactions-controller` to v19.2.1, replaces deprecated default/subpath imports, and shifts TransactionController integration to messenger-based actions with updated allowlists and tests. > > - **Smart Transactions Controller upgrade** > - Bump `@metamask/smart-transactions-controller` to `^19.2.1` and align with ESM/no-default export (remove subpath imports like `dist/types`). > - **Messenger-based integration** > - Add TransactionController actions to `SmartTransactionsController` messenger allowlist: `getNonceLock`, `confirmExternalTransaction`, `getTransactions`, `updateTransaction` in `controller-init/messengers/smart-transactions-controller-messenger.ts`. > - Refactor `SmartTransactionsControllerInit` to stop passing `getNonceLock`, `confirmExternalTransaction`, `getTransactions`, `updateTransaction` via constructor; rely on messenger; update constructor typing to use restricted `messenger` directly. > - Remove/adjust related unit tests that asserted constructor-wired functions; keep MetaMetrics wiring tests. > - **Import and type updates** > - Switch all imports to named exports from `@metamask/smart-transactions-controller` (e.g., `SmartTransactionsController`, `SmartTransactionStatuses`, `SmartTransaction`, `ClientId`, `IndividualTxFees`, etc.). > - **Policy updates** > - Update LavaMoat policies to reflect new polling-controller pathing and minor globals; adjust dependencies accordingly. > > <sup>Written by [Cursor Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit 74fa4dd. This will update automatically on new commits. Configure [here](https://cursor.com/dashboard?tab=bugbot).</sup>  --------- Co-authored-by: Mark Stacey <mark.stacey@consensys.net> Co-authored-by: MetaMask Bot <metamaskbot@users.noreply.github.com>

BigNumber being fed nil #531

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