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Noma - Bitcoin lightning node management CLI utility & Python API
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README.md

Noma - lightning node management

CLI utility and Python API to manage bitcoin lightning nodes.

Build Status Documentation Status Maintainability

What is it?

Noma provides a complete bitcoin + lightning stack for LNCM's Point-of-Sale app and extendable templates for your own project development.

How does it work?

Multi-platform docker containers are orchestrated by docker-compose and noma, a thin layer of python. The golang invoicer middleware serves invoicer-ui, a react webapp and provides the payment API synthesizing lnd and bitcoind. Internally lnd utilizes the light-client neutrino network, while bitcoind operates as a fully validating node with optional pruning.

Highlights

Our containers provide minimal Alpine environments on 32-bit & 64-bit ARM in addition to the common AMD64 architecture. Special attention been paid to create lightweight images suitable for embedded deployments such as Raspberry Pi's.

Significant effort has been expended to make bootstrapping convenient on Ubuntu, Debian, Alpine and MacOS while staying flexible to support your deployment method of choice.

Default settings are carefully chosen to conserve resources and let nodes participate as quickly as possible.

With the exception of bitcoind all critical components and dependencies are either written in Golang or Python, making use of our focused build pipeline.

Target audience

At the current level of automation we expect users to be familiar with the Linux command-line. Bitcoin & lightning enthusiasts as well as developers may find this opinionated framework to be a useful starting point.

Target hardware

Given the minimal nature of our stack, Raspberry Pi's and similar SBC's are an ideal candidate. Likewise, low-end VPS will benefit from the reduced resource usage.

Disk and network resource consumption varies according to mode. In the most conservative configuration, using neutrino only, on-disk storage requirements are expected to be around 250-300MB.

In bitcoin full-node mode, the latest 550 blocks are stored and continually fetched for verification. This adds around 4GB of permanently reserved space and at least 144MB of internet traffic per day, equivalent to 4.4GB per month.

CLI:

node:

noma start
noma stop
noma check
noma logs
noma info

lnd:

noma lnd create
noma lnd backup
noma lnd autounlock
noma lnd autoconnect [<path>]
noma lnd savepeers
noma lnd connectstring

noma:

noma (-h|--help)
noma --version

Dependencies

To get the most out of this tool we highly recommend to have Docker installed.

Note: some noma functions are specific to Raspberry Pi hardware.

Installation

MacOS Vagrant

The simplest method to try out or work on noma is to use Vagrant, which will automatically set up a small Linux VM, ensuring your environment stays clean.

  • Install Vagrant & VirtualBox

With brew available:

brew cask install virtualbox
brew cask install vagrant

Then, start the VM using vagrant

cd noma
vagrant up

Once installation has completed, you may log in

vagrant ssh alpine

Tip: vagrant up [vm-name] where vm-name can be any of: alpine, ubuntu, debian. Adapt vagrant ssh alpine accordingly.

MacOS Docker

Using Docker outside of Vagrant requires manual setup and is only recommended for those who are already running Docker.

  • Install Docker and docker-compose
brew cask install docker
brew install docker-compose

Create /media directory

sudo mkdir /media
  • Ensure the /media directory is writable and added to shares in Docker
  • Ensure Docker is running

Install and start the node

pip3 install noma
sudo noma start

Linux

With Python 3 and Docker installed

pip install noma 
sudo noma start

Note: You may need to use pip3 instead of pip

For convenience install.sh may be used to bootstrap Python 3, Docker and Noma on Debian-based and Alpine systems:

cd /media
sudo chown -R $USER .
git clone https://github.com/lncm/noma.git
cd noma
sudo ./install.sh

Windows

While not officially supported, Windows is likely to work using Vagrant, with the caveat that NFS shares are not available and need to be replaced.

Usage

After running sudo noma start you may create your wallet

sudo noma lnd create

Once your node has synced with the network you are ready for action.

Check it's status with sudo noma info and sudo noma logs

Development

We welcome all contributions! Please submit a PR or discuss within an issue.

Dev mode

cd noma
python3 setup.py develop

now you can run noma and inspect code changes immediately

Note: vagrant runs this automatically

Build instructions

pip3 install wheel
python3 setup.py bdist_wheel
pip3 install dist/noma-*-py3-none-any.whl

API documentation

Read the Docs

Build docs

pip3 install sphinx sphinx-rtd-theme`
cd docs
make html

docs can be found at docs/_build/html/index.html

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