palladum-lightning/doc/beginners-guide/beginners-guide.md

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Running your node	beginners-guide	excerpt A guide to all the basics you need to get up and running immediately.	view public

Starting lightningd

Regtest (local, fast-start) option

If you want to experiment with lightningd, there's a script to set up a bitcoind regtest test network of two local lightning nodes, which provides a convenient start_ln helper. See the notes at the top of the startup_regtest.sh file for details on how to use it.

. contrib/startup_regtest.sh

Mainnet Option

To test with real bitcoin, you will need to have a local bitcoind node running:

bitcoind -daemon

Wait until bitcoind has synchronized with the network.

Make sure that you do not have walletbroadcast=0 in your ~/.bitcoin/bitcoin.conf, or you may run into trouble.

Notice that running lightningd against a pruned node may cause some issues if not managed carefully, see pruning for more information.

You can start lightningd with the following command:

lightningd --network=bitcoin --log-level=debug

This creates a .lightning/ subdirectory in your home directory: see man -l doc/lightningd.8 (or lightningd-config) for more runtime options.

Using The JSON-RPC Interface

Core Lightning exposes a JSON-RPC 2.0 interface over a Unix Domain socket; the lightning-cli tool can be used to access it, or there is a python client library.

You can use lightning-cli help to print a table of RPC methods; lightning-cli help <command> will offer specific information on that command.

Useful commands:

• newaddr: get a bitcoin address to deposit funds into your lightning node.
• listfunds: see where your funds are.
• connect: connect to another lightning node.
• fundchannel: create a channel to another connected node.
• invoice: create an invoice to get paid by another node.
• pay: pay someone else's invoice.
• plugin: commands to control extensions.

Care And Feeding Of Your New Lightning Node

Once you've started for the first time, there's a script called contrib/bootstrap-node.sh which will connect you to other nodes on the lightning network.

There are also numerous plugins available for Core Lightning which add capabilities: see the Plugins guide, and check out the plugin collection at: https://github.com/lightningd/plugins.

For a less reckless experience, you can encrypt the HD wallet seed: see HD wallet encryption.