not allow to claim share the initial share rate is zero

[xlc]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 40.00000% with 3 lines in your changes missing coverage. Please review.

Project coverage is 61.29%. Comparing base (d923d91) to head (f682098).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
modules/dex/src/lib.rs	40.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2884      +/-   ##
==========================================
- Coverage   61.35%   61.29%   -0.07%     
==========================================
  Files          69       69              
  Lines        9401     9404       +3     
==========================================
- Hits         5768     5764       -4     
- Misses       3633     3640       +7     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.