bolt3

Lightning transaction and script formats, per BOLT #3 (docs.ppad.tech/bolt3).
git clone git://git.ppad.tech/bolt3.git
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flake.nix (3157B)

      1 {
      2   description = "A Haskell implementation of BOLT #3.";
      3 
      4   inputs = {
      5     ppad-nixpkgs = {
      6       type = "git";
      7       url  = "git://git.ppad.tech/nixpkgs.git";
      8       ref  = "master";
      9     };
     10     ppad-sha256 = {
     11       type = "git";
     12       url  = "git://git.ppad.tech/sha256.git";
     13       ref  = "master";
     14       inputs.ppad-nixpkgs.follows = "ppad-nixpkgs";
     15     };
     16     ppad-secp256k1 = {
     17       type = "git";
     18       url  = "git://git.ppad.tech/secp256k1.git";
     19       ref  = "master";
     20       inputs.ppad-nixpkgs.follows = "ppad-nixpkgs";
     21       inputs.ppad-sha256.follows = "ppad-sha256";
     22     };
     23     ppad-ripemd160 = {
     24       type = "git";
     25       url  = "git://git.ppad.tech/ripemd160.git";
     26       ref  = "master";
     27       inputs.ppad-nixpkgs.follows = "ppad-nixpkgs";
     28     };
     29     ppad-tx = {
     30       type = "git";
     31       url  = "git://git.ppad.tech/tx.git";
     32       ref  = "master";
     33       inputs.ppad-nixpkgs.follows = "ppad-nixpkgs";
     34       inputs.ppad-sha256.follows = "ppad-sha256";
     35     };
     36     flake-utils.follows = "ppad-nixpkgs/flake-utils";
     37     nixpkgs.follows = "ppad-nixpkgs/nixpkgs";
     38   };
     39 
     40   outputs = { self, nixpkgs, flake-utils, ppad-nixpkgs
     41             , ppad-sha256, ppad-secp256k1, ppad-ripemd160
     42             , ppad-tx }:
     43     flake-utils.lib.eachDefaultSystem (system:
     44       let
     45         lib = "ppad-bolt3";
     46 
     47         pkgs  = import nixpkgs { inherit system; };
     48         hlib  = pkgs.haskell.lib;
     49         llvm  = pkgs.llvmPackages_19.llvm;
     50         clang = pkgs.llvmPackages_19.clang;
     51 
     52         sha256 = ppad-sha256.packages.${system}.default;
     53         sha256-llvm =
     54           hlib.addBuildTools
     55             (hlib.enableCabalFlag sha256 "llvm")
     56             [ llvm clang ];
     57 
     58         secp256k1 = ppad-secp256k1.packages.${system}.default;
     59         secp256k1-llvm =
     60           hlib.addBuildTools
     61             (hlib.enableCabalFlag secp256k1 "llvm")
     62             [ llvm clang ];
     63 
     64         ripemd160 = ppad-ripemd160.packages.${system}.default;
     65         ripemd160-llvm =
     66           hlib.addBuildTools
     67             (hlib.enableCabalFlag ripemd160 "llvm")
     68             [ llvm clang ];
     69 
     70         tx = ppad-tx.packages.${system}.default;
     71 
     72         hpkgs = pkgs.haskell.packages.ghc910.extend (new: old: {
     73           ppad-sha256 = sha256-llvm;
     74           ppad-secp256k1 = secp256k1-llvm;
     75           ppad-ripemd160 = ripemd160-llvm;
     76           ppad-tx = tx;
     77           ${lib} = new.callCabal2nix lib ./. { };
     78         });
     79 
     80         cc    = pkgs.stdenv.cc;
     81         ghc   = hpkgs.ghc;
     82         cabal = hpkgs.cabal-install;
     83       in
     84         {
     85           packages.default = hpkgs.${lib};
     86 
     87           packages.haddock = hpkgs.${lib}.doc;
     88 
     89           devShells.default = hpkgs.shellFor {
     90             packages = p: [
     91               (hlib.doBenchmark p.${lib})
     92             ];
     93 
     94             buildInputs = [
     95               cabal
     96               cc
     97               llvm
     98             ];
     99 
    100             shellHook = ''
    101               PS1="[${lib}] \w$ "
    102               echo "entering ${system} shell, using"
    103               echo "cc:    $(${cc}/bin/cc --version)"
    104               echo "ghc:   $(${ghc}/bin/ghc --version)"
    105               echo "cabal: $(${cabal}/bin/cabal --version)"
    106             '';
    107           };
    108         }
    109       );
    110 }
    111