107 lines
3.5 KiB
Nix
107 lines
3.5 KiB
Nix
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{
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description = ''
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A collection of Nix packages and NixOS modules for easily
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installing full-featured Bitcoin nodes with an emphasis on security.
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'';
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-21.05";
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nixpkgsUnstable.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
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flake-utils.url = "github:numtide/flake-utils";
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};
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outputs = { self, nixpkgs, nixpkgsUnstable, flake-utils }:
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let
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supportedSystems = [ "x86_64-linux" "i686-linux" "aarch64-linux" ];
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in
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rec {
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mkNbPkgs = {
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system
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, pkgs ? import nixpkgs { inherit system; }
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, pkgsUnstable ? import nixpkgsUnstable { inherit system; }
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}:
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import ./pkgs { inherit pkgs pkgsUnstable; };
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overlay = final: prev: let
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nbPkgs = mkNbPkgs { inherit (final) system; pkgs = final; };
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in removeAttrs nbPkgs [ "pinned" "nixops19_09" "krops" ];
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nixosModules = {
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# Uses the default system pkgs for nix-bitcoin.pkgs
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withSystemPkgs = { pkgs, ... }: {
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imports = [ ./modules/modules.nix ];
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nix-bitcoin.pkgs = (mkNbPkgs { inherit (pkgs) system; inherit pkgs; }).modulesPkgs;
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};
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# Uses the nixpkgs version locked by this flake for nix-bitcoin.pkgs.
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# More stable, but slightly slower to evaluate and needs more space if the
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# locked and the system nixpkgs versions differ.
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withLockedPkgs = { config, ... }: {
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imports = [ ./modules/modules.nix ];
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nix-bitcoin.pkgs = (mkNbPkgs { inherit (config.nixpkgs) system; }).modulesPkgs;
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};
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};
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defaultTemplate = {
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description = "Basic node template";
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path = ./examples/flakes;
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};
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} // (flake-utils.lib.eachSystem supportedSystems (system:
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let
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pkgs = import nixpkgs { inherit system; };
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mkVMScript = vm: pkgs.writers.writeBash "run-vm" ''
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set -euo pipefail
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export TMPDIR=$(mktemp -d /tmp/nix-bitcoin-vm.XXX)
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trap "rm -rf $TMPDIR" EXIT
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export NIX_DISK_IMAGE=$TMPDIR/nixos.qcow2
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QEMU_OPTS="-smp $(nproc) -m 1500" ${vm}/bin/run-*-vm
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'';
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in rec {
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nbPkgs = self.mkNbPkgs { inherit system pkgs; };
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packages = flake-utils.lib.flattenTree (removeAttrs nbPkgs [
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"pinned" "modulesPkgs" "nixops19_09" "krops"
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]) // {
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runVM = mkVMScript packages.vm;
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# This is a simple demo VM.
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# See ./examples/flakes/flake.nix on how to use nix-bitcoin with flakes.
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vm = let
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nix-bitcoin = self;
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in
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(import "${nixpkgs}/nixos" {
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inherit system;
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configuration = {
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imports = [
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nix-bitcoin.nixosModules.withSystemPkgs
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"${nix-bitcoin}/modules/presets/secure-node.nix"
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];
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nix-bitcoin.generateSecrets = true;
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services.clightning.enable = true;
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# For faster startup in offline VMs
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services.clightning.extraConfig = "disable-dns";
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nixpkgs.pkgs = pkgs;
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virtualisation.graphics = false;
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services.getty.autologinUser = "root";
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nix.nixPath = [ "nixpkgs=${nixpkgs}" ];
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};
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}).vm;
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};
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defaultApp = apps.vm;
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apps = {
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# Run a basic nix-bitcoin node in a VM
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vm = {
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type = "app";
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program = toString packages.runVM;
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};
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};
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}
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));
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}
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