- Updated imports and references from TON to GRAM across multiple modules.
- Renamed functions and variables to reflect the change from TON to GRAM.
- Adjusted validation checks for top-up and recharge amounts to use GRAM limits.
- Modified error messages and exceptions to indicate GRAM instead of TON.
- Updated tests to ensure they reflect the new GRAM terminology and functionality.
- Introduced new constants for GRAM-related configurations.
- Implemented Fragment API with methods for TON topups, Premium gifts, and Stars purchases.
- Created configuration management using environment variables.
- Added detailed README documentation for installation, configuration, and usage.
- Developed utility classes for API client, wallet linking, and transaction processing.
- Included example usage in main.py for easy demonstration of API functionalities.
- Updated requirements.txt with necessary dependencies.