Cronos POS Chain Development Guide: From Testnet to Full Node Setup

Description

Cronos POS Chain is a cutting-edge blockchain application leveraging Cosmos SDK and Tendermint. Designed as the backbone for the Cronos ecosystem, it supports both current and future decentralized applications. This guide covers everything from setting up a Croeseid Testnet to deploying a full node.

Contributing

We welcome contributions aligned with our:

• Code of Conduct
• Contributing Guidelines

License

Licensed under Apache 2.0.

Documentation

Access technical docs via:

• Github Repository
• Hosted Version

Build a Full Node

# Default build (Mainnet)
make build

# Testnet build
NETWORK=testnet make build

Nix Installation

For reproducible builds using Nix:

curl -L https://nixos.org/nix/install | sh

Optional: Speed up builds with binary cache:

nix-env -iA cachix -f https://cachix.org/api/v1/install
cachix use crypto-org-chain

👉 Learn more about Nix optimizations

Start a Local Development Network

Follow this guide to launch a local devnet.

Send Your First Transaction

After setting up the devnet, interact with the chain using these steps.

Testing

Run tests via:

• Unit tests: make test
• Simulations: make test-sim-*
• Integration tests: make nix-integration-test

Pystarport Quick Start

Manage nodes efficiently with Pystarport:

Install Python 3.8+

git clone [email protected]:python/cpython.git
cd cpython
git checkout tags/v3.9.5
./configure
make
sudo make install

Set PATH

export PATH=/usr/local/bin:$HOME/.local/bin:$PATH

Install Pystarport

python3 -m pip install pystarport

Commands

• Start devnet: pystarport serve --data=./data --config=./integration_tests/configs/default.yaml
• Check status: pystarport supervisorctl status
• Stop nodes: pystarport supervisorctl stop all

👉 Explore advanced node management

Useful Links

• Project Website
• Cosmos SDK Docs
• Community Discord

FAQ

1. What networks does Cronos POS Chain support?

It supports Mainnet and Testnet configurations. Use NETWORK=testnet make build for Testnet.

2. How do I report issues?

Submit them via the GitHub repository following the Code of Conduct.

3. Is there a GUI for node management?

Currently, Pystarport is CLI-based. GUI tools may be integrated in future updates.

4. Can I run a node on Windows?

Yes, via WSL (Windows Subsystem for Linux).

5. Where can I find real-time support?

Join the Discord community for technical queries.