libbitcoin-database 3.3.0 (new formula)

This is libbitcoin-database, a high performance blockchain database.

Formula/libbitcoin-database.rb

@@ -0,0 +1,41 @@
+class LibbitcoinDatabase < Formula
+  desc "Bitcoin High Performance Blockchain Database"
+  homepage "https://github.com/libbitcoin/libbitcoin-database"
+  url "https://github.com/libbitcoin/libbitcoin-database/archive/v3.3.0.tar.gz"
+  sha256 "b4d98199ac4629a9857c1eb8819fe8166525bf2dca9ed790a9bbe5dc9c9e9186"
+
+  depends_on "autoconf" => :build
+  depends_on "automake" => :build
+  depends_on "libtool" => :build
+  depends_on "pkg-config" => :build
+  depends_on "libbitcoin"
+
+  def install
+    ENV.prepend_path "PKG_CONFIG_PATH", Formula["libbitcoin"].opt_libexec/"lib/pkgconfig"
+
+    system "./autogen.sh"
+    system "./configure", "--disable-dependency-tracking",
+                          "--disable-silent-rules",
+                          "--prefix=#{prefix}"
+    system "make", "install"
+  end
+
+  test do
+    (testpath/"test.cpp").write <<~EOS
+      #include <bitcoin/database.hpp>
+      using namespace libbitcoin::database;
+      using namespace libbitcoin::chain;
+      int main() {
+        static const transaction tx{ 0, 0, input::list{}, output::list{ output{} } };
+        unspent_outputs cache(42);
+        cache.add(tx, 0, 0, false);
+        assert(cache.size() == 1u);
+        return 0;
+      }
+    EOS
+    system ENV.cxx, "-std=c++11", "test.cpp",
+                    "-lbitcoin", "-lbitcoin-database", "-lboost_system",
+                    "-o", "test"
+    system "./test"
+  end
+end