This pull request refactors error handling and type constraints throughout the Cardano-related modules to use more specific error types (ChainError<crate::CardanoError>) and domain traits (CardanoDomain). It also updates the genesis type to CardanoGenesis and improves type safety and clarity in various function signatures and trait bounds. These changes lay the groundwork for better error reporting, more precise typing, and easier future maintenance.

Error Handling and Type Improvements

• Changed many function signatures and trait bounds to return ChainError<crate::CardanoError> instead of a generic ChainError, enabling more precise error handling across the Cardano codebase. [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18]
• Updated trait bounds and function generics to require CardanoDomain instead of the generic Domain, enforcing Cardano-specific constraints at compile time. [1] [2] [3] [4] [5] [6]

Genesis Type Consistency

• Replaced usage of the generic Genesis type with CardanoGenesis throughout the code, including in struct fields, function parameters, and trait implementations, to ensure type consistency and clarity. [1] [2] [3] [4] [5]

Functionality and Logic Adjustments

• Improved AVVM reclamation logic to use a Cardano-specific hash conversion and error handling, and updated the method for computing remaining AVVM UTxOs.
• Updated the nonce stability window calculation to propagate chain-specific errors and improved error handling in related functions. [1] [2]

General Codebase Cleanup

• Removed unused imports and updated import statements to reflect the new types and traits being used. [1] [2] [3] [4] [5] [6]

These changes collectively improve the maintainability, type safety, and error reporting capabilities of the Cardano modules.