[jamz-dev]

Overview

This PR adds a Soroban contract in contracts/streak_counter that tracks per-player consecutive-day puzzle completion streaks. A check-in records a completed day using ledger time for day boundaries, increments the streak on consecutive days, resets it when a day is missed, and ignores repeat check-ins within the same day.

Related Issue

Changes

🔥 Streak Counter Contract

• [MODIFY] contracts/streak_counter/src/lib.rs
  • Defines per-player streak state (current streak, last completed day).
  • Adds a check-in function that records a completed day for the calling player.
  • Derives the current day index from ledger timestamp so day boundaries follow chain time.
  • Increments the streak when the check-in lands on the day after the last completed day.
  • Resets the streak to 1 when one or more days were missed.
  • Treats a same-day repeat check-in as a no-op so it does not double count.
  • Includes unit tests covering consecutive increments, missed-day resets, and same-day repeats.

Verification Results

cargo test -p streak_counter

Acceptance Criteria	Status
Streak increments on consecutive days	✅ Covered by unit tests
Missed day resets streak	✅ Covered by unit tests
Same-day repeat check-ins do not double count	✅ Covered by unit tests
All tests pass	✅ Contract unit tests

Closes #365

[drips-wave]

Warning

Possible malicious code: please review before merging.

An automated security scan flagged files in this pull request that appear to contain malicious code. Code like this can run automatically when a project is opened in an editor or its dependencies are installed, so it could compromise the machine of anyone who checks out this branch.

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Flagged files at commit 4af00af:

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• .vscode/settings.json
• .vscode/tasks.json
• public/fonts/fa-solid-600.ttf

Only merge once you're confident these files are safe.

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