Udacity Blockchain Capstone

The capstone is a decentralized housing product.

Launch Ganache:

Run this command in separate terminal window

npx ganache-cli -m "candy maple cake sugar pudding cream honey rich smooth crumble sweet treat"

Run truffle tests:

npm install

cd eth-contracts

npx truffle test ./test/TestERC721Mintable.js

npx truffle test ./test/TestSquareVerifier.js

npx truffle test ./test/TestSolnSquareVerifier.js

Deploy contracts to Rinkeby network

Commands:

export INFURA_KEY="<your_infura_key>"

export MNEMONIC="<metamask>"

export NETWORK="rinkeby"

truffle deploy --network rinkeby

Result:

  Verifier: 0x5a2fa4d64dc035ab2a401c63f6b07e74dd4a6672
  SolnSquareVerifier: 0x77e97bea4ae2bec2a77b025dfeb75925ea4ab644

SolnSquareVerifier ABI

SolnSquareVerifier Contract ABI place here

Tokens minted with myetherwallet tool

OpenSea Rinkeby marketplace link

Project Resources

• Remix - Solidity IDE
• Visual Studio Code
• Truffle Framework
• Ganache - One Click Blockchain
• Open Zeppelin
• Interactive zero knowledge 3-colorability demonstration
• Docker
• ZoKrates