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<!-- Please submit this PR as a draft initially. Do not mark it as "Ready for review" until the template has been completely filled out, and PR status checks have passed at least once. --> ## **Description** This PR aims to apply fixes implemented in Transaction controller to v59.0.0. - add support for the scenario when STX is disable for batch transaction it now returns undefined and this is handle in the transaction controller (MetaMask/core#6063) using the fallback to sequential batch. - updates the `getMethodName` utility to normalise the transaction data to lowercase before comparing it against known ABI method selectors. [PR](MetaMask/core#6102) <!-- Write a short description of the changes included in this pull request, also include relevant motivation and context. Have in mind the following questions: 1. What is the reason for the change? 2. What is the improvement/solution? --> ## **Changelog** <!-- If this PR is not End-User-Facing and should not show up in the CHANGELOG, you can choose to either: 1. Write `CHANGELOG entry: null` 2. Label with `no-changelog` If this PR is End-User-Facing, please write a short User-Facing description in the past tense like: `CHANGELOG entry: Added a new tab for users to see their NFTs` `CHANGELOG entry: Fixed a bug that was causing some NFTs to flicker` (This helps the Release Engineer do their job more quickly and accurately) --> CHANGELOG entry: Added normalization to the `getMethodName` utility to normalise the transaction data to lowercase before comparing it against known ABI method selectors. ## **Related issues** Fixes: MetaMask/MetaMask-planning#5301 and MetaMask/MetaMask-planning#5338 ## **Manual testing steps** 1. Open the MetaMask mobile wallet (Android or iOS). 2. Navigate to the dApp: [https://pocs.neplox.security/metamask-mobile-hack13378158bfadd32/](https://pocs.neplox.security/metamask-mobile-hack13378158bfadd32/) 3. Connect your wallet to the dApp. 4. Trigger the malicious transaction by invoking the `sendTransaction()` function from the page. 5. Observe the transaction preview in MetaMask: - No spending cap warning - Missing token name - Unresolved "to" address (even if it's a well-known address like USDC) - Generic "Approve" label shown without context. ## **Screenshots/Recordings** [spend_cap_2.webm](https://github.com/user-attachments/assets/6ffef452-13ce-4f22-9e71-41dd9f03f781) [sequential_fallback.webm](https://github.com/user-attachments/assets/f6e9c3a3-03ea-4ada-b2a2-9364aaef6544) <!-- If applicable, add screenshots and/or recordings to visualize the before and after of your change. --> ### **Before** <!-- [screenshots/recordings] --> ### **After** <!-- [screenshots/recordings] --> ## **Pre-merge author checklist** - [x] I’ve followed [MetaMask Contributor Docs](https://github.com/MetaMask/contributor-docs) and [MetaMask Mobile Coding Standards](https://github.com/MetaMask/metamask-mobile/blob/main/.github/guidelines/CODING_GUIDELINES.md). - [x] I've completed the PR template to the best of my ability - [x] I’ve included tests if applicable - [x] I’ve documented my code using [JSDoc](https://jsdoc.app/) format if applicable - [x] I’ve applied the right labels on the PR (see [labeling guidelines](https://github.com/MetaMask/metamask-mobile/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.
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