ci: pin esplora

flake.nix

@@ -15,10 +15,6 @@
     # pinned to 0.26.0
     # nixpkgs-bitcoind.url = "github:nixos/nixpkgs?rev=f5375ec98618347da6b036a5e06381ab7380db03";
 
-    # Blockstream's esplora
-    # inspired by fedimint CI
-    nixpkgs-kitman.url = "github:jkitman/nixpkgs?rev=61ccef8bc0a010a21ccdeb10a92220a47d8149ac";
-
     rust-overlay = {
       url = "github:oxalica/rust-overlay";
       inputs = {
@@ -32,7 +28,7 @@
     pre-commit-hooks.url = "github:cachix/pre-commit-hooks.nix";
   };
 
-  outputs = { self, nixpkgs, nixpkgs-bitcoind, nixpkgs-kitman, rust-overlay, flake-utils, pre-commit-hooks, ... }:
+  outputs = { self, nixpkgs, nixpkgs-bitcoind, rust-overlay, flake-utils, pre-commit-hooks, ... }:
     flake-utils.lib.eachDefaultSystem (system:
       let
         overlays = [ (import rust-overlay) ];
@@ -53,9 +49,9 @@
         pkgs-bitcoind = import nixpkgs-bitcoind {
           inherit system overlays;
         };
-        pkgs-kitman = import nixpkgs-kitman {
-          inherit system;
-        };
+        pkgs-esplora = pkgs.callPackage ./nix/esplora.nix {
+          inherit (darwin.apple_sdk.frameworks) Security;
+         };
 
         # Signed Commits
         signed-commits = pkgs.writeShellApplication {
@@ -84,7 +80,7 @@
         # Common inputs
         envVars = {
           BITCOIND_EXEC = "${pkgs-bitcoind.bitcoind}/bin/bitcoind";
-          ELECTRS_EXEC = "${pkgs-kitman.esplora}/bin/esplora";
+          ELECTRS_EXEC = "${pkgs-esplora}/bin/esplora";
           CC = "${stdenv.cc.nativePrefix}cc";
           AR = "${stdenv.cc.nativePrefix}ar";
           CC_wasm32_unknown_unknown = "${pkgs.llvmPackages_14.clang-unwrapped}/bin/clang-14";
@@ -94,7 +90,7 @@
         buildInputs = [
           # Add additional build inputs here
           pkgs-bitcoind.bitcoind
-          pkgs-kitman.esplora
+          pkgs-esplora
           pkgs.openssl
           pkgs.openssl.dev
           pkgs.pkg-config

nix/esplora.nix

@@ -0,0 +1,47 @@
+{ lib
+, stdenv
+, rustPlatform
+, fetchFromGitHub
+, llvmPackages
+, rocksdb_6_23
+, Security
+}:
+
+let
+  rocksdb = rocksdb_6_23;
+in
+rustPlatform.buildRustPackage rec {
+  pname = "esplora";
+  # last tagged versoin is far behind master
+  version = "20230218";
+
+  src = fetchFromGitHub {
+    owner = "Blockstream";
+    repo = "electrs";
+    rev = "adedee15f1fe460398a7045b292604df2161adc0";
+    hash = "sha256-KnN5C7wFtDF10yxf+1dqIMUb8Q+UuCz4CMQrUFAChuA=";
+  };
+
+  cargoHash = "sha256-tM5IFiIYX2SlAp6Q5uccVjW6TgOf5MfoFrLXz3GlZ90=";
+
+  # needed for librocksdb-sys
+  nativeBuildInputs = [ rustPlatform.bindgenHook ];
+
+  # link rocksdb dynamically
+  ROCKSDB_INCLUDE_DIR = "${rocksdb}/include";
+  ROCKSDB_LIB_DIR = "${rocksdb}/lib";
+
+  buildInputs = lib.optionals stdenv.isDarwin [ Security ];
+
+  # rename to avoid a name conflict with other electrs package
+  postInstall = ''
+    mv $out/bin/electrs $out/bin/esplora
+  '';
+
+  meta = with lib; {
+    description = "Blockstream's re-implementation of Electrum Server for Esplora";
+    homepage = "https://github.com/Blockstream/electrs";
+    license = licenses.mit;
+    maintainers = with maintainers; [ jkitman ];
+  };
+}