thryec / pyteal-tutorial

Setup

1. Install Docker Desktop
2. Install Algorand sandbox
3. Add this project folder as bind volume in sandbox docker-compose.yml under key services.algod:

   volumes:
     - type: bind
       source: <path>
       target: /data

4. Start sandbox:

   $ ./sandbox up

5. Install Python virtual environment in project folder:

   $ python3 -m venv venv
   $ source ./venv/Scripts/activate # Windows
   $ source ./venv/bin/activate # Linux

6. Use Python interpreter: ./venv/Scripts/python.exe VSCode: Python: Select Interpreter

Links

• Official Algorand Smart Contract Guidelines
• PyTeal Documentation
• Algorand DevRel Example Contracts

Youtube: https://www.youtube.com/watch?v=w1eYtAR5brY

Compile

./build.sh contracts.rps.step_01

Counter Contract

// Deploy Contract
goal app create --creator $ONE --approval-prog /data/build/approval.teal --clear-prog /data/build/clear.teal --global-byteslices 1 --global-ints 1 --local-byteslices 0 --local-ints 0

// Change Contract State
// increment:
goal app call --app-id 1 --from $ONE --app-arg "str:inc"

// decrement:
goal app call --app-id 7 --from $ONE --app-arg "str:dec"

// Read Contract Storage
goal app read --global --app-id 1 --guess-format

Rock Paper Scissors Contract

// Deploy Contract
goal app create --creator $ONE --approval-prog /data/build/approval.teal --clear-prog /data/build/clear.teal --global-byteslices 0 --global-ints 0 --local-byteslices 3 --local-ints 1