Set up a Truffle Ethermint local development environment.
# Pre-requisite Readings
# Install dependencies
First, install the latest Truffle version on your machine globally.
You will also need to install Ethermint. Check this document for the full instructions.
# Create Truffle Project
In this step we will create a simple counter contract. Feel free to skip this step if you already have your own compiled contract.
Create a new directory to host the contracts and initialize it
Initialize the Truffle suite with:
contracts/Counter.sol containing the following contract:
Compile the contract using the
# Truffle configuration
truffle-config.js and uncomment the
development section in
This will allow your contract to connect to your Ethermint local node.
# Start Node and REST server
Start your local node using the following command on the Terminal
For further information on how to run a node, please refer to this quickstart document.
In another Terminal wintdow/tab, start the REST and JSON-RPC server:
# Deploy contract
Back in the Truffle terminal, migrate the contract using
You should see incoming deployment logs in the Ethermint daemon Terminal tab for each transaction (one to deploy
Migrations.sol and the oether to deploy
# Run Truffle tests
Now, you can run the Truffle tests using the Ethermint node using the
Learn how to connect Ethermint to Metamask