Udemy
UdemyAdvanced Solidity: Understanding and Optimizing Gas Costs
4.9(632)3k students
UdemyThis course is for developers who understand Solidity fundamentals but want to write genuinely efficient smart contracts. Rather than hunting randomly for optimizations, you'll learn exactly where every unit of gas is spent and why. The instructor has created one of the most efficient NFT implementations, so the principles come from hard-won experience, not theory.
The deep dive covers the Solidity compiler, the Ethereum Virtual Machine, and gas cost specifications. You'll learn to read compiler output, spot wasteful patterns, and apply proven optimization techniques. The instruction assumes you've already deployed and tested contracts, so it builds on a solid foundation. By the end, you'll understand the architecture well enough to design efficient solutions rather than just patch expensive ones.
Ever been surprised by the gas costs in a smart contract? The Ethereum Virtual Machine calculates these costs deterministically, but understanding how is a bit obscure unless you want to comb through the dense yellowpaper! This course helps you understand where every last bit of gas is coming from and the gotchas that can make transactions surprisingly expensive.
This course is for solidity developers looking to progress from beginner to advanced intermediate. Knowledge about Solidity, OpenZeppelin, and Remix is assumed. You should know how to deploy and test a smart contract, and ideally, you've created a token on the mainnet before (and experienced how expensive it can be!).
I’m the author of ERC1155D, arguably the most efficient NFT contract created. I’m here to share my learnings with you!
Some of the most enjoyable years of my life was teaching computer science at Columbia University, so I’m happy to relive those years virtually!
Topics covered include:
A deep dive into the solidity compiler
A deep dive into the Ethereum Virtual Machine
How to understand the output from the solidity compiler
How to track down wasteful computation
Understanding gas cost specifications
Techniques for improving gas costs
How memory, transaction data, state changes, and computational cost affect transaction cost
Bad designs to avoid
Where the Yellowpaper is wrong!
Follow me on Twitter: @jeyffre
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Not the best price we've seen. The lowest we've recorded is $11.99 on 3 Aug.
This is what we recorded in US pricing — not every price this course has ever had, and prices differ by country.