trustedcoin: add pkg

pkgs/default.nix

@@ -20,6 +20,7 @@ let self = {
   # The secp256k1 version used by joinmarket
   secp256k1 = pkgs.callPackage ./secp256k1 { };
   spark-wallet = pkgs.callPackage ./spark-wallet { };
+  trustedcoin = pkgs.callPackage ./trustedcoin { };
 
   pyPkgs = import ./python-packages self pkgs.python3;
   inherit (self.pyPkgs)

pkgs/trustedcoin/default.nix

@@ -0,0 +1,23 @@
+{ lib, buildGoModule, fetchFromGitHub }:
+
+buildGoModule rec {
+  pname = "trustedcoin";
+  version = "0.5.2";
+  src = fetchFromGitHub {
+    owner = "nbd-wtf";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-s8zgY+TDABK96BehY+SVl86wCMd+e8BKdxw0kGV1jAI=";
+  };
+
+  vendorSha256 = "sha256-wpK5SW9nOMO/e4DoEk8LRxLykxYt06LoBBxjeEujOiU=";
+
+  subPackages = [ "." ];
+
+  meta = with lib; {
+    description = "Light bitcoin node implementation";
+    homepage = "https://github.com/nbd-wtf/trustedcoin";
+    maintainers = with maintainers; [ seberm fort-nix ];
+    platforms = platforms.linux;
+  };
+}

pkgs/trustedcoin/get-sha256.sh

@@ -0,0 +1,20 @@
+#! /usr/bin/env nix-shell
+#! nix-shell -i bash -p git gnupg curl jq
+set -euo pipefail
+
+
+TMPDIR="$(mktemp -d -p /tmp)"
+trap 'rm -rf $TMPDIR' EXIT
+cd "$TMPDIR"
+
+echo "Fetching latest release"
+repo='nbd-wtf/trustedcoin'
+latest=$(curl --location --silent --show-error https://api.github.com/repos/${repo}/releases/latest | jq -r .tag_name)
+echo "Latest release is $latest"
+git clone --depth 1 --branch "$latest" "https://github.com/${repo}" 2>/dev/null
+cd trustedcoin
+
+echo "tag: $latest"
+git checkout -q "tags/$latest"
+rm -rf .git
+nix --extra-experimental-features nix-command hash path .