[WIP] Implement Backend Lottery History Data Retrieval

[gapcomputer2]

Implement Backend Lottery History Data Retrieval

Description

Task

Create Backend Data Retrieval Function for Lottery History

Acceptance Criteria

• Function successfully retrieves lottery round history from smart contract
• Data is transformed into a frontend-friendly format
• Proper error handling is implemented
• Performance is optimized for minimal blockchain interactions
• Type safety is maintained throughout the data retrieval process

Summary of Work

This pull request adds a new backend utility function to fetch historical lottery round data from the smart contract. The implementation will provide a flexible and efficient method for retrieving past lottery round information, preparing it for frontend display.

Changes Made

• Create new utility function for fetching lottery history
• Implement data transformation logic to prepare contract data for frontend
• Add error handling for contract interaction failures
• Create type definitions for lottery round history data
• Optimize data retrieval to minimize blockchain calls

Tests

• Verify function can retrieve lottery round history successfully
• Test error handling for contract connection issues
• Validate data transformation logic
• Ensure type safety for returned data
• Check performance and gas efficiency of data retrieval

Signatures

Staking Key

EKjJikFMaWp6Kx3JPi6PRNqANutX8LCAsQnCd2UCu621: haTyLDSAxvNjaLjM7B8kpmJVtqvAMWGwHV8WoDLfnCfMqdbXsnV7TDJKgQYmSe9XvUvBGsoMdT9bsnognfJHVXQBBg8pxzttYhHXffyUvcdYcAv8GSqHuLnEsZPwUpoUGZQFX4iYgqZEYhg3ofqY5jDZaemMAmuKYyGJGZk5N7mt3QKMyrkVGymZh6QFUJpTS6v3q2HmiE3ZTeoAj6YTviagq4qrc3dauGrC3oq4eHe8MRuVPB8BYKfUGLksfrrVQtE77Q2Xjz8kXoBxEmNHfk3roNv8VLexCz689qftys1gg8dwKaNbDN9CoFUEP3nBgQ3LNtwMJdwyafUqon8kdQSY7sFdT1quxHB8mL3oDS8UQNYV6yyZPZ1LNECh98H67VRApdCojGCp7uDYzvXgDoXXsUBfLVzM6zTQ9r

Public Key

CXaf1KgZ3emsz9DoERxggja4xrtNYvWn8CDHzcybTqqc: BZbhFVjkw2gM6oWENRPbkJ3LKsanozhh5Qa6xQP1b3irrdYUNr9U2KatdaPbnxpoyuyBiiewZVmzKCS24up2JfnWeitJNQb5cE6RZEWEdVUkY6yqnHWUoJAik7AppojqBoPCpRYbPxnz2TYUZvcQtfDJbDrxcCzwfbAkBQt92YE4YNb1GgFRctoSfyRQ79jAJFUMCqmAxvRbiyHAJkY23frCrdWRkUBpisCJMd8spc5MbGweX62uqHDdEMDvB7kXwJKqJ1CmGhGL9zVEDV4uY3Fh671i2MVCTu7phGsdCCMzLiYPmgRMKeUQoXQAsU5PvxC4HBXhGSLc9NNFRqq5cFPHXYW1qxizKg2zF93pLcvmiU5JgixM4817CAL1CsBkQZHrFiCeAPGfns1nxFejHgg1Lw7EZZXkKcKSgc