Developer Guide: Integrating Kaia Gas Abstraction (GA)

This guide consolidates best practices and technical details for integrating Kaia's Gas Abstraction (GA) feature. It draws from comprehensive overviews, deep protocol dives, practical tutorials, and real-world examples to help you build seamless, gas-free experiences. By the end, you'll be able to enable users to pay fees with ERC-20 tokens, reducing onboarding friction and boosting retention.

Table of Contents

1. Introduction to Gas Abstraction
   • What is Gas Abstraction?
   • Why Gas Abstraction Matters
   • Use Cases and Benefits
   • Relationship with Consensus Liquidity (CL)
2. How GA Works: Technical Deep Dive
   • Architecture Overview
   • Transaction Bundle Components
   • Key Actors and Interactions
   • Atomicity and Rollback
3. Supported Tokens
   • Token Eligibility Criteria
   • Currently Supported Tokens
   • How to Check the Supported Token List
4. Integrating Gas Abstraction in Your dApp or Wallet
   • Prerequisites
   • Getting Started
   • Step 1: Setup project and install ethers-ext and ethers.js
   • Step 2: Step 2: Set up Provider and Wallet instance
   • Step 3: Configure Contracts to Estimate Claim Fees and Token Support
   • Step 4: Prepare ApproveTx and SwapTx Transactions
   • Step 5: Execute ApproveTx and SwapTx Transactions
   • Step 6: Execute the Application Transaction (Claim Airdrop)
   • Step 7: See Code in Action
   • Conclusion
5. API & SDK Reference
   • SDKs
   • JSON-RPC API
6. Advanced Topics & FAQ
   • Best Practices
   • Troubleshooting Common Issues
   • FAQ
   • Additional Resources