README.md

celestia-app

celestia-app is a blockchain application built using Cosmos SDK and celestia-core in place of Tendermint.

Diagram

                ^  +-------------------------------+  ^
                |  |                               |  |
                |  |  State-machine = Application  |  |
                |  |                               |  |   celestia-app (built with Cosmos SDK)
                |  |            ^      +           |  |
                |  +----------- | ABCI | ----------+  v
Celestia        |  |            +      v           |  ^
validator or    |  |                               |  |
full consensus  |  |           Consensus           |  |
node            |  |                               |  |
                |  +-------------------------------+  |   celestia-core (fork of Tendermint Core)
                |  |                               |  |
                |  |           Networking          |  |
                |  |                               |  |
                v  +-------------------------------+  v

Install

1. Install Go 1.18+

2. Clone this repo

3. Install the celestia-app CLI

   make install

Usage

# Print help message
celestia-appd --help

Create your own single node devnet

# WARNING: this deletes config, data, and keyrings from previous local devnets
rm -r ~/.celestia-app

# Start a single node devnet
./scripts/single-node.sh

# Post data to the local devnet
celestia-appd tx blob payForData [hexNamespace] [hexMessage] [flags]

See https://docs.celestia.org/category/celestia-app for more information

Contributing

Tools

1. Install golangci-lint
2. Install markdownlint

Helpful Commands

# Build a new celestia-app binary and output to build/celestia-appd
make build

# Run tests
make test

# Format code with linters (this assumes golangci-lint and markdownlint are installed)
make fmt

# Regenerate Protobuf files (this assumes Docker is running)
make proto-gen

Package-specific documentation

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Careers

We are hiring Go engineers! Join us in building the future of blockchain scaling and interoperability. Apply here.