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[BCFR-1048] - Logic to solve ocassional nonce gap issues #14984

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Farber98
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@Farber98 Farber98 commented Oct 28, 2024

Description:

  • Change the getSequenceForAddr function to use NonceAt instead of PendingNonceAt.
  • We use the mined transaction count (SequenceAt) to determine the next nonce to use instead of the pending transaction count (PendingSequenceAt). This allows the TXM to broadcast and track transactions for nonces starting from the last mined transaction preventing the perpetuation of a potential nonce gap.
  • Consideration: Any transactions already in the mempool would be attempted to be overwritten but an older transaction can get included before being overwritten. Such could be the case if there was a nonce gap that gets filled unblocking the transactions. If that occurs, there could be short term noise in the logs surfacing that a transaction expired without ever getting a receipt.

Steps a NOP should follow to handle nonce gap issue:

  • disable NonceAutoSync
  • mark abandon all current transactions checkbox

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github-actions bot commented Oct 28, 2024

AER Report: CI Core ran successfully ✅

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AER Report: Operator UI CI ran successfully ✅

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@Farber98 Farber98 marked this pull request as ready for review October 29, 2024 18:01
@Farber98 Farber98 requested review from a team as code owners October 29, 2024 18:01
@Farber98 Farber98 self-assigned this Oct 29, 2024
@jmank88 jmank88 requested a review from samsondav October 29, 2024 18:14
core/chains/evm/txmgr/nonce_tracker.go Outdated Show resolved Hide resolved
@prashantkumar1982 prashantkumar1982 added this pull request to the merge queue Nov 4, 2024
Merged via the queue into develop with commit 1738332 Nov 4, 2024
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4 participants