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fix: set isExternalSign to true for delegated transactions #7659

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fix: set isExternalSign to true for delegated transactions #7659

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d47cb49
fix: not call get next nonce for 7702 path
khanti42 Jan 19, 2026
3314e54
chore: add changelog
khanti42 Jan 19, 2026
a56c32c
fix: use externalSign when delegationAddress is set
khanti42 Jan 23, 2026
0b8b218
chore: lint
khanti42 Jan 23, 2026
30086f3
Merge branch 'main' into fix/get-next-nonce-not-call-7702
khanti42 Jan 23, 2026
c1ba9c1
chore: changelog update
khanti42 Jan 23, 2026
1d3d23a
fix: comment
khanti42 Jan 23, 2026
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4 changes: 4 additions & 0 deletions packages/transaction-controller/CHANGELOG.md
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Expand Up @@ -20,6 +20,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Use the `transactionHistoryLimit` feature flag in `RemoteFeatureFlagController` instead.
- This option will be removed in a future version.

### Fixed

- Set `isExternalSign` for sponsored transactions to skip nonce assignment ([#7659](https://github.com/MetaMask/core/pull/7659))

## [62.9.2]

### Changed
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5 changes: 5 additions & 0 deletions packages/transaction-controller/src/TransactionController.ts
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Expand Up @@ -1351,6 +1351,8 @@ export class TransactionController extends BaseController<
const existingTransactionMeta = this.#getTransactionWithActionId(actionId);

// If a request to add a transaction with the same actionId is submitted again, a new transaction will not be created for it.
// EIP-7702 batch transactions (with nestedTransactions) are signed externally via delegation
const isEIP7702Batch = Boolean(nestedTransactions?.length);
let addedTransactionMeta: TransactionMeta = existingTransactionMeta
? cloneDeep(existingTransactionMeta)
: {
Expand All @@ -1363,6 +1365,7 @@ export class TransactionController extends BaseController<
deviceConfirmedOn,
disableGasBuffer,
id: random(),
isExternalSign: isEIP7702Batch,
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@cursor cursor bot Jan 23, 2026

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EIP-7702 batch isExternalSign override by gas fee token check

Medium Severity

The new isExternalSign = isEIP7702Batch can be overridden by checkGasFeeTokenBeforePublish when a transaction has both nestedTransactions and a gasFeeToken, and the user has sufficient native balance. The checkGasFeeTokenBeforePublish function unconditionally sets isExternalSign = false in this case, which would cause the original nonce conflicts for EIP-7702 batch transactions that the PR aims to fix.

Fix in Cursor Fix in Web

isGasFeeTokenIgnoredIfBalance: Boolean(gasFeeToken),
isGasFeeIncluded,
isGasFeeSponsored,
Expand Down Expand Up @@ -1457,6 +1460,8 @@ export class TransactionController extends BaseController<

this.#addMetadata(addedTransactionMeta);

// Record delegationAddress for metrics, but do not use it to determine isExternalSign.
// Only EIP-7702 batch transactions (with nestedTransactions) should have isExternalSign = true.
delegationAddressPromise
.then((delegationAddress) => {
this.#updateTransactionInternal(
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