README.md

Optimizing Gas Cost Notes 😎

Gas is an unit of computation in the EVM that describe the fee to conduct a transaction based on its complexity. More notes will be added

In this notes you will see

1. Overview

   • Block Limits
   • Opcodes
   • Function Selector
   • Payable Functions
   • Unchecked Arithmetic
   • Solidity Optimizer
   • TIPS

2. Storage

   • Storage Cost
   • Cold access
   • Warm Access
   • Variables
   • Moving Variables
   • Uint8 or Uint128
   • Refunds
   • Blockchain Files
   • TIPS

3. Memory

   • Memory vs Calldata
   • Memory Explosion
   • TIPS

4. Tricks

   • Function Names
   • Less Than vs Less than or Equal
   • Bit Shifting
   • Shot Circuiting
   • Precomputing
   • TIPS

5. Excersise

   • Gas Puzzle

6. Tips

   • TIPS

Contributions

• Contributions are welcomed :D
• Feel free to open a pull request if you want to add more information
• If you see something wrong don't hesitate to fix it