🏗 Scaffold-ETH - EIP712 signatures

Sign & verify using the EIP712 standard. Built with 🏗 Scaffold-ETH

First, you'll sign a message:

You can find the front-end code in packages/react-app/src/views/SignMessage.jsx.

The signed message will be verified and stored by the back-end server. Check packages/backend/index.js

Once you send a valid signed message, you can attempt a replay attack:

Getting started

Prerequisites: Node (v16 LTS) plus Yarn and Git

clone the repo:

git clone https://github.com/carletex/eip-712-signatures.git

install dependencies and start the frontend:

cd eip-712-signatures
yarn install
yarn start

in a second terminal window, start the backend server:

yarn backend

📱 Open http://localhost:3000 to see the app

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📚 Documentation

Documentation, tutorials, challenges, and many more resources, visit: docs.scaffoldeth.io

🍦 Other Flavors

• scaffold-eth-typescript
• scaffold-nextjs
• scaffold-chakra
• eth-hooks
• eth-components
• scaffold-eth-expo

🔭 Learning Solidity

📕 Read the docs: https://docs.soliditylang.org

📚 Go through each topic from solidity by example editing YourContract.sol in 🏗 scaffold-eth

• Primitive Data Types
• Mappings
• Structs
• Modifiers
• Events
• Inheritance
• Payable
• Fallback

📧 Learn the Solidity globals and units

🛠 Buidl

Check out all the active branches, open issues, and join/fund the 🏰 BuidlGuidl!

• 🚤 Follow the full Ethereum Speed Run

• 🎟 Create your first NFT

• 🥩 Build a staking smart contract

• 🏵 Deploy a token and vendor

• 🎫 Extend the NFT example to make a "buyer mints" marketplace

• 🎲 Learn about commit/reveal

• ✍️ Learn how ecrecover works

• 👩‍👩‍👧‍👧 Build a multi-sig that uses off-chain signatures

• ⏳ Extend the multi-sig to stream ETH

• ⚖️ Learn how a simple DEX works

• 🦍 Ape into learning!

🏃💨 Speedrun Ethereum

Register as a builder here and start on some of the challenges and build a portfolio.

💬 Support Chat

Join the telegram support chat 💬 to ask questions and find others building with 🏗 scaffold-eth!