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Gas-Modulation-App

A blockchain-based solution for the newbies in the blockchain world, leveraging ERC-4337 Account Abstraction to provide dynamic gas fee management. This project was developed during the Syntax Error Hackathon and focuses on a unique mechanism to subsidize small transactions and charge higher fees for larger ones to maintain a local liquidity pool.

Features

  • Dynamic Gas Fee Management:
    • Small transactions are subsidized using a local liquidity pool.
    • High-value transactions rejuvenate the liquidity pool by charging additional fees.
  • ERC-4337 Account Abstraction: Utilized for enabling contract-based accounts.
  • Dynamic Threshold Adjustment:
    • Transaction thresholds are dynamically set using real-time data from the blockchain.
    • Threshold data is fetched using QuickNode API and integrated seamlessly.
  • Secure and Efficient:
    • Gas abstraction ensures optimal user experience with reduced gas burden.
    • The mechanism supports fairness and prevents abuse of subsidies.

Tech Stack

  • Frontend:
    • React for a seamless user interface.
    • JavaScript for dynamic interactions.
  • Backend:
    • Solidity smart contracts for transaction handling.
    • Foundry framework for contract development and testing.
  • Blockchain:
    • Deployed on Sepolia Testnet for testing purposes.
    • Data fetching and analysis using Alchemy Sepolia API.

Smart Contracts

  1. LiquidityPool.sol: Manages the local liquidity pool, including deposits and withdrawals.
  2. DynamicThreshold.sol: Adjusts transaction thresholds dynamically based on blockchain data.

Project Workflow

  1. Dynamic Threshold Adjustment:

    • Fetch the latest transaction data using Alchemy Sepolia API.
    • Calculate the threshold based on transaction patterns.

  2. Transaction Handling:

    • For small transactions: Fees are covered using the liquidity pool.
    • For large transactions: Higher fees are charged to replenish the pool.

  3. Frontend Interaction:

    • Users interact with the interface to initiate transactions.
    • The 'Transact' button triggers the latest threshold calculation and sends it to the contract.