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If you previously configured with `--enable-developer` we turn that into `--enable-debugbuild`. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Changelog-Removed: build: `--enable-developer` arg to configure (and DEVELOPER variables): use `./configure --enable-debugbuild` and `developer` setting at runtime.
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| title | slug | excerpt | hidden | createdAt | updatedAt |
|---|---|---|---|---|---|
| Running your node | beginners-guide | A guide to all the basics you need to get up and running immediately. | false | 2022-11-18T14:27:50.098Z | 2023-02-21T13:49:20.132Z |
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 ???) 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](ref:lightning-cli) help to print a table of RPC methods; [lightning-cli](lightning-cli) help <command> will offer specific information on that command.
Useful commands:
- lightning-newaddr: get a bitcoin address to deposit funds into your lightning node.
- lightning-listfunds: see where your funds are.
- lightning-connect: connect to another lightning node.
- lightning-fundchannel: create a channel to another connected node.
- lightning-invoice: create an invoice to get paid by another node.
- lightning-pay: pay someone else's invoice.
- lightning-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, including helpme which guides you through setting up your first channels and customising your node.
For a less reckless experience, you can encrypt the HD wallet seed: see HD wallet encryption.