feat: increase pending transaction polling rate

[matthewwalsh0]

Explanation

Temporarily increase the pending transaction polling rate when polling starts, then fallback to polling on each new block using the BlockTracker.

Specifically:

• Create the TransactionPoller helper class to encapsulate the polling logic for pending transactions.
  • Initially, poll every 2 seconds up to a maximum of 5 times using setTimeout.
  • Then fallback to polling via the latest event using the BlockTracker.
  • If the pending transaction IDs are changed, reset to the initial setTimeout polling.

References

Related to #3629

Changelog

@metamask/transaction-controller

• CHANGED: Temporarily increase the pending transaction polling rate when polling starts.

Checklist

• I've updated the test suite for new or updated code as appropriate
• I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate
• I've highlighted breaking changes using the "BREAKING" category above as appropriate
• I've prepared draft pull requests for clients and consumer packages to resolve any breaking changes

[matthewwalsh0]

@metamaskbot publish-preview

[github-actions]

Preview builds have been published. See these instructions for more information about preview builds.

Expand for full list of packages and versions.

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}

[cloudonshore]

Looks good!