1ead6791fd
Switched to nixpkgs-unstable Replaced postgresql dependency with much smaller libpq. Utilise new inputs.self.submodules feature to simplify flake use Moved apps to a separate file Changelog-None
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title, slug, content, privacy
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| Setting up a dev environment | developers-guide |
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Using startup_regtest.sh
The Core Lightning project provides a script startup_regtest.sh to simulate the Lightning Network in your local dev environment. The script starts up some local nodes with bitcoind, all running on regtest and makes it easier to test things out, by hand.
Navigate to contrib in your Core Lightning directory:
cd contrib
Load the script, using source so it can set aliases:
source startup_regtest.sh
Start up the nodeset:
start_ln 3
Connects all nodes with channels, in a row, and funds them:
fund_nodes
When you're finished, stop:
stop_ln
Clean up the lightning directories:
destroy_ln
Using Polar
Polar offers a one-click setup of Lightning Network for local app development & testing.
Using Nix
Install Nix
Update git submodules git submodule update --init --recursive.
The entry point is flake.nix in the root of the project, where the inputs and outputs are defined.
nix develop will create the default shell env with the build and runtime dependencies of the cln package. Then you can call make manually and the project will compile as usual.
nix develop .#rust will create a shell env for developing rust.
nix build will build the default package (cln).
nix flake check will build the cln and rust packages. Rust tests are run during the build. There are also checks to run cargo audit and nixfmt.