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Related Issue
#76
Description
This pull request addresses the issue of invalid state transitions in the Contest smart contract. The changeState function has been updated to ensure that state transitions are sequential. Additionally, several feature enhancements have been made, including the ability to remove contestants, deregister voters, and log events for key actions.
Type of PR
Checklist:
Additional context:
This update improves the contract's usability, security, and traceability by ensuring valid state transitions and adding new functionalities.