Implement Contract Analytics and Statistics

[RUKAYAT-CODER]

Overview

Add functions to query platform-wide statistics including total quests, total rewards distributed, active users, etc.

Background

Analytics provide insights into platform growth and help with business intelligence.

Specifications

Modules to Create:

• Platform statistics struct
• Counter tracking
• Aggregation functions

Tasks:

• Track total quests created
• Count total submissions
• Calculate total rewards distributed
• Track active user count
• Implement get_platform_stats() function
• Add per-creator statistics
• Write comprehensive stats tests

Impacted Files:

• contracts/earn-quest/src/stats.rs (new)
• contracts/earn-quest/src/types.rs (update)
• contracts/earn-quest/src/lib.rs (update)
• contracts/earn-quest/src/storage.rs (update)
• contracts/earn-quest/tests/test_stats.rs (new)

Labels: contract, analytics, statistics, priority-low

Acceptance Criteria

• Platform-wide stats accurately tracked
• Statistics updated on relevant actions
• Query functions return correct data
• Per-creator stats available
• Counters increment atomically
• All stat calculations tested

🙌Contribution Guidelines:

Assignment required before PR submission
Timeframe: 24-48 hours
PR description must include: Close #[issue-number]
Star the repo⭐
For more context, please refer to the contract README 🚀

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[Ekenesamuel8]

@Ekenesamuel8 has applied to work on this issue as part of the Stellar Wave Program's 2nd wave.

I can take this analytics/stats task. I’ll add a stats module that tracks platform-wide counters (total quests, total submissions, total rewards distributed, active user count) with atomic updates in the relevant actions, plus per-creator statistics. I’ll implement get_platform_stats() and creator stats queries, and add a comprehensive test suite in contracts/earn-quest/tests/test_stats.rs to validate all counters and calculations.

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