This project demonstrates the use of Silverback in a fun way by integrating it with a simple Vyper contract and a Warpcast service for broadcasting messages. The goal of this project is to trigger an action to scream into the void when a specific condition is met in the contract.
- pip install -r requirements.txt
- you should have silverback and wonderwords installed with requirements
- ape plugins install . or ape plugins install ape-config.yaml
the ape plugins and ape should be 0.8.x or higher
- you should have your Warcaster account
The Echo.vy file contains a simple Vyper contract that emits a Received event when ETH is received and provides a withdraw method to send ETH to the contract owner.
The hollaback.py file sets up a SilverbackApp to watch for events on the contract. When a payment is received that exceeds 0.01 ETH, it triggers a message to be broadcasted using the Warpcast service.
The Holla.py file initializes the network connection, loads the contract, transfers ETH to the contract, and triggers the contract's withdraw method.
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Ensure you have the necessary accounts set up in your Ape environment
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Deploy the Vyper contract
Echo.vyto the desired network and note the contract address. -
Update the
CONTRACT_ADDRESSvariable inHolla.pyandhollaback.pywith the deployed contract address. -
Run the SilverbackApp by executing
silverback run bots.hollaback:appin one terminal. -
Run the
Holla.pyscript by executingape run hollain another terminal to interact with the contract and trigger the event.
Note if you get an error about no provider found. Try it multiple times it might not work the first time
You can also run the project using Docker. To do so, follow these steps:
docker build -t silverback-echo .Then to run the container, ensure you copy the default.env to .env and update the values with your environment variable values.
docker run --env-file default.env --volume ~/.aws:/home/harambe/.aws --volume ~/.ape:/home/harambe/.ape silverback-echo:latest run "bots.hollaback:app"