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fix: sync non-deterministically while historical chain patch is pending (#685)#700

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gilescope merged 2 commits into
mainfrom
ozgb-btreemap-tip-only-fix
Feb 18, 2026
Merged

fix: sync non-deterministically while historical chain patch is pending (#685)#700
gilescope merged 2 commits into
mainfrom
ozgb-btreemap-tip-only-fix

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@ozgb

@ozgb ozgb commented Feb 18, 2026 •
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Overview

Duplicate of #685 with base == main

Until we patch the chain, we need to allow nodes to sync to tip. This change preserves the non-deterministic behaviour of syncing, while ensuring new blocks are produced deterministically.

This fix is backwards compatible with 0.20.2-rc.2, and ensures we won't get more chain corruption going forward.

🗹 TODO before merging

  • Ready

📌 Submission Checklist

  • Changes are backward-compatible (or flagged if breaking)
  • Pull request description explains why the change is needed
  • Self-reviewed the diff
  • I have included a change file, or skipped for this reason:
  • If the changes introduce a new feature, I have bumped the node minor version
  • Update documentation (if relevant)
  • Updated AGENTS.md if build commands, architecture, or workflows changed
  • No new todos introduced

🧪 Testing Evidence

Please describe any additional testing aside from CI:

  • Additional tests are provided (if possible)

🔱 Fork Strategy

  • Node Runtime Update
  • Node Client Update
  • Other:
  • N/A

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@ozgb
fix: sync non-deterministically while historical chain patch is pendi…
4c3e3fa 
…ng (#685)

* fix: sync non-deterministically while historical chain patch is pending

* docs: add pr link to change file

* docs: add ticket link to change file
@ozgb ozgb requested a review from a team as a code owner February 18, 2026 08:43
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github-actions Bot commented Feb 18, 2026

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KICS version: v2.1.16

Category Results
CRITICAL CRITICAL 0
HIGH HIGH 0
MEDIUM MEDIUM 96
LOW LOW 12
INFO INFO 83
TRACE TRACE 0
TOTAL TOTAL 191
Metric Values
Files scanned placeholder 31
Files parsed placeholder 31
Files failed to scan placeholder 0
Total executed queries placeholder 73
Queries failed to execute placeholder 0
Execution time placeholder 8

@gilescope gilescope enabled auto-merge February 18, 2026 08:52
@gilescope gilescope added this pull request to the merge queue Feb 18, 2026
Merged via the queue into main with commit b3477a4 Feb 18, 2026
47 checks passed
@gilescope gilescope deleted the ozgb-btreemap-tip-only-fix branch February 18, 2026 11:15
@ozgb ozgb mentioned this pull request Feb 18, 2026
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@ozgb @gilescope