Migration guide #1076
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Migration guide #1076
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Migrating from Uniswap V3 to V4: Complete Developer Guide
First chunk covering introduction, table of contents, and migration philosophy
Comprehensive decision framework to help developers evaluate if migration is right for their project
…- Chunk 1 (Introduction & ToC)
Add comprehensive overview of V3 to V4 architectural differences including singleton pattern, hooks system, and core contract changes
Add comprehensive examples for migrating swap functionality from V3 to V4, including single swaps, exact input/output patterns, and multi-hop swaps with code comparisons
Added a complete example of a Liquidity Manager contract and a migration checklist for liquidity management.
This section provides a comprehensive migration guide from V3 to V4, detailing changes in position management, querying, range orders, rebalancing, and batch operations. Key differences and advantages of V4 implementations are highlighted.
Add comprehensive TypeScript/JavaScript examples for migrating SDK usage, React components, and frontend integrations from V3 to V4 with code comparisons
Add comprehensive TypeScript/JavaScript examples for migrating SDK usage, React components, and frontend integrations from V3 to V4 with code comparisons
Added a section on Hooks System Integration, detailing their purpose, lifecycle, available hook points, and implementation guidance. Included scenarios for V3 to V4 migration and a minimal hook template.
Added detailed sections on hook address requirements and common hook patterns, including dynamic fee and limit order hooks.
Added a new access control hook to restrict liquidity provision and swaps based on a whitelist.
Add comprehensive guide for implementing and using hooks in V4, including hook patterns, examples, security considerations, and migration from V3 custom logic
Added Foundry testing setup details including project structure and configuration.
Added a basic Foundry test template for MySwapper contract, including setup and multiple test cases for swap functionality.
Added testing setup for mainnet fork and Hardhat configuration.
Added Hardhat test examples and gas optimization testing scripts for MySwapper contract.
Add comprehensive testing strategies, deployment plans, gas optimization techniques, and safe migration approaches for V3 to V4 transition with Foundry and Hardhat examples
This section provides complete, production-ready implementations demonstrating full V3 to V4 migrations.
Added troubleshooting section with common migration issues and solutions.
Added solutions for common issues encountered during migration from v3 to v4, including pool initialization and gas estimation failures.
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This guide provides practical, code-level migration patterns for:
- Smart Contract Integration - Migrating Solidity code that interacts with Uniswap
- SDK Usage - Updating TypeScript/JavaScript applications
- Frontend Integration - React/Web3 dApp migrations
- Testing Strategies - Ensuring safe migrations
- Hooks Integration - Leveraging V4's new capabilities
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This guide provides practical, code-level migration patterns for: