[WIP] Implement Lottery Round History Retrieval Method

[gapcomputer2]

Implement Lottery Round History Retrieval Method

Description

Task

Implement backend method to fetch lottery round history

Acceptance Criteria

• Method successfully retrieves historical lottery round information
• Round details are complete and accurate
• Method is gas-efficient
• Supports retrieval of multiple historical rounds
• Handles edge cases gracefully

Summary of Work

This pull request adds a new method to the Lottery smart contract to retrieve comprehensive historical lottery round information. The implementation will enable tracking and fetching of past lottery round details, supporting the development of a robust history tracking feature.

Changes Made

• Add new contract method 'getLotteryRoundHistory' to Lottery.sol
• Create struct to represent detailed round information
• Implement logic to return historical round data
• Ensure method is gas-efficient and returns comprehensive round details

Tests

• Verify method returns correct number of historical rounds
• Check that round details include round number, timestamp, winner, and pot size
• Test retrieval of rounds for different time ranges
• Validate method handles cases with no previous rounds

Signatures

Staking Key

EKjJikFMaWp6Kx3JPi6PRNqANutX8LCAsQnCd2UCu621: eqTKRLVmggQQNo3bxCn6PJKpUujbr8HK3KbfRWuEAupCVrGjBm9dSntRf8iGs4hKvDjYCqvruDxvSxPKjCyKU9DNSJCxY2pMBMcyj2r9jhhz7jterCCmpsioxf7vfiycUXhrvvGyppHgRnobbgRV4jz6AEsyJhLmnFdAcvYBX15TtUSfiKVoMpqC1qqmxRmFrqD43DuSG2hReQNf2GYqnR3cNWBbjoPArmkaGYogr8XLEqm1shnWN3KAPcVbhB4EpMUwYzMT7K8sTqG8CVByTumMKt8mGdiBWXeraGzqWa4sa7Np4573LAaUYduSkNkACUqLQPJiVANLZJCR9rB1WVishaeDpVpLZ19Toc4ja4vyX1Jus25NJ4s1BMuVc5XCGk5Yo34dcftQZ9GWLnCYTQ4pS7Wdv7KXfuBJcU

Public Key

CXaf1KgZ3emsz9DoERxggja4xrtNYvWn8CDHzcybTqqc: 9fg7V7wXYZjSVcMqjt2mGJuhhcKsdGXRycJeyV7Yre66J4M9Ja1vw7ZGuKNFtyJQv2hyrbL5VRUyqrKWLNR4PbVBL9g1LsMYBhyb7VCDuuLxq24Dh7jMpvhftZEAT56S68b73PAcL2mpgPn8xDbYPsY8vYqzbpzSvNsNjaDXfACfG9jfaDShavmQ2sxXLtvunq7ZyzUL6AVqPCpm1aPQu6W5MiYsNyhnRinjur3CiG7rUKWqnWYpKBKuTNxYFYQPK7yCSZ9pWKZbbybjKoYQDZ2ZdN4psnuxxEkWqtNYxyhw1Jy2dk5gyXhfLcPT1W7HLmt7gyz9dCdJaYtnELNTjtDbhrKv1YLL7LeNQ8Jr9AhLgEv6TsCqa4GdmQfxx7Pefw2qH7X57qYoti1V3EUTtWZzCTfvZWvam1zHmW