[Contract] 📂 Smart Meter Data Ledger

[salazarsebas]

🎯 Objective

Create a complete smart contract for smart-meter-data-ledger that maintains a tamper-proof ledger of smart meter data on the Stellar network using Soroban, enabling transparent tracking of energy usage for billing and analytics.

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🏗 Contract Structure

smart-meter-data-ledger/src/
  lib.rs                // Configuration and contract exports
  ledger.rs             // Core logic for meter data logging
  analytics.rs          // Management of data queries and analytics
  utils.rs              // Shared utilities for validation and timestamps
  Makefile              // Build and deployment automation
  README.md             // Contract documentation and usage instructions

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🗂 Requirements

1. Meter Data Logging

   • Implement mechanisms for logging smart meter data, compliant with metering standards.
   • Support submission of usage data with timestamps and meter IDs.
   • Enable querying of historical meter data for analysis.

2. Energy-Specific Features

   • Role-based updates: Smart meters submit data, utilities verify.
   • Integration hooks for linking to consumption verifier or billing contracts.

3. Build and Test

   • Must successfully execute cargo build, stellar contract build, and cargo test.

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📦 Key Data Structures

The contract will use maps to associate meter IDs with usage records, each record detailing energy consumption, timestamps, and submitting device addresses. A separate structure will log aggregated analytics, such as total usage per consumer or period, for efficient querying.

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🔑 Key Functions

• initialize() – Set up the contract with meter and utility configurations.
• log_data() – Record new meter data with timestamps.
• verify_data() – Verify submitted data by authorized utilities.
• get_usage_history() – Query the usage history for a meter.
• aggregate_usage() – Compute aggregated usage for analytics.

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🔗 References

• Soroban Documentation - Contract Development
• Stellar Developers - Data Management
• Rust Book - Structuring Data
• Soroban Storage Guide
• IEC Smart Meter Standards

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⏳ ETA

• 3 Days

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📌 Additional Notes

• Optimize storage to minimize transaction fees on Soroban for utilities.
• Design for scalability to handle high-frequency meter data.
• Ensure tamper-proof logging to maintain data integrity.
• Support future integration with real-time analytics platforms.
• Include mechanisms for detecting anomalous usage patterns.

[FrankiePower]

let me handle this

[salazarsebas]

Hey @FrankiePower , what are the updates on this issue?