uniswap-v2.md

Uniswap V2

How to use this

• Check prerequisites
• Install tools
• Watch videos on Cyfrin Updraft
• Do exercises under topics
• Ask questions on GitHub discussions

Prerequisites

• Intermediate Solidity
• Experience with Foundry

Tools

• Foundry

Topics

Check out the videos on Cyfrin Updraft for each lesson.

Section 1 - overview

• Graph
• Contracts overview

Section 2 - Swap

• Swap math
• Swap fee math
• Contract calls
• Code walkthrough periphery and core repositories
• Code walkthrough swapExactTokensForTokens
  • getAmountsOut
  • getAmountsOut fork
  • getAmountsOut example
• Code walkthrough swapTokensForExactTokens
  • getAmountsIn
  • getAmountsIn fork
  • getAmountsIn example
• Code walkthrough pair.swap
• Exercise 1
• Solution 1
• Exercise 2
• Solution 2
• Spot price graph
• Spot price math
• Slippage

Section 3 - Create pool

• Code walkthrough createPair
• Exercise 1
• Solution 1

Section 4 - Add liquidity

• Pool shares intro
  • Pool shares mint math
  • Pool shares mint math example
  • Pool shares burn
  • Pool shares burn math
  • Pool shares burn math example
• Add liquidity graph
• Add liquidity math
  • Add liquidity pool shares math intro
  • Liquidity functions
  • Liquidity functions - sqrt
  • Liquidity functions - 2x
  • Summary
• Contract calls
• Code walkthrough addLiquidity
• Code walkthrough mint
• Exercise 1
• Solution 1

Section 5 - Remove liquidity

• Remove liquidity graph
• Remove liquidity math
  • How many dx and dy to remove?
  • Pool shares intro
  • Liquidity functions
  • Liquidity delta with liquidity function = sqrt
• Contract calls
• Code walkthrough removeLiquidity
• Code walkthrough burn
• Exercise 1
• Solution 1

Section 6 - Flash swap

• Flash swap fee math
• Contract calls
• Code walkthrough swap
• Exercise 1
• Solution 1

Section 7 - TWAP

• Spot price manipulation
• TWAP math
  • Intro
  • Cumulative price
  • Example
  • TWAP approximation to current time
  • Misconception
• Code walkthrough _update
• Exercise 1
• Solution 1

Section 8 - Application - Flash swap arbitrage

• Intro
• Exercise 1
• Solution 1
• Exercise 2
• Solution 2
• Optimal amount in math (optional)

Resources

Uniswap

Uniswap V2 Core

Uniswap V2 Periphery

Uniswap V2 Docs

Uniswap V2 Analytics

What is slippage?