homebrew-core/Formula/libbitcoin-consensus.rb
2019-10-14 19:00:28 +02:00

109 lines
4 KiB
Ruby

class LibbitcoinConsensus < Formula
desc "Bitcoin Consensus Library (optional)"
homepage "https://github.com/libbitcoin/libbitcoin-consensus"
url "https://github.com/libbitcoin/libbitcoin-consensus/archive/v3.6.0.tar.gz"
sha256 "a4252f40910fcb61da14cf8028bf3824125bacb0fc251491c9bb4e2818065fca"
revision 1
bottle do
cellar :any
sha256 "640bcb7886f6a844ac2de43be86646d4732fb9e77f0a260a58086b990bc821ae" => :catalina
sha256 "fdc8742a5540f9503709a7f1e271b11551e297e915b081ad34f3f6a4290061bb" => :mojave
sha256 "a186bf54816ed738b5f491df36f781728a84b1dd7fdf8aedd101231e7f03c20b" => :high_sierra
sha256 "3d7714fde2d05817a98a42dc42da248fac643a9e645b2251d597b4155d7dd28b" => :sierra
end
depends_on "autoconf" => :build
depends_on "automake" => :build
depends_on "boost" => :build
depends_on "libtool" => :build
depends_on "pkg-config" => :build
resource "secp256k1" do
url "https://github.com/libbitcoin/secp256k1/archive/v0.1.0.13.tar.gz"
sha256 "9e48dbc88d0fb5646d40ea12df9375c577f0e77525e49833fb744d3c2a69e727"
end
def install
resource("secp256k1").stage do
system "./autogen.sh"
system "./configure", "--disable-dependency-tracking",
"--disable-silent-rules",
"--prefix=#{libexec}",
"--enable-module-recovery",
"--with-bignum=no"
system "make", "install"
end
ENV.prepend_path "PKG_CONFIG_PATH", "#{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 <string>
#include <vector>
#include <assert.h>
#include <bitcoin/consensus.hpp>
typedef std::vector<uint8_t> data_chunk;
static unsigned from_hex(const char ch)
{
if ('A' <= ch && ch <= 'F')
return 10 + ch - 'A';
if ('a' <= ch && ch <= 'f')
return 10 + ch - 'a';
return ch - '0';
}
static bool decode_base16_private(uint8_t* out, size_t size, const char* in)
{
for (size_t i = 0; i < size; ++i)
{
if (!isxdigit(in[0]) || !isxdigit(in[1]))
return false;
out[i] = (from_hex(in[0]) << 4) + from_hex(in[1]);
in += 2;
}
return true;
}
static bool decode_base16(data_chunk& out, const std::string& in)
{
// This prevents a last odd character from being ignored:
if (in.size() % 2 != 0)
return false;
data_chunk result(in.size() / 2);
if (!decode_base16_private(result.data(), result.size(), in.data()))
return false;
out = result;
return true;
}
static libbitcoin::consensus::verify_result test_verify(const std::string& transaction,
const std::string& prevout_script, uint64_t prevout_value=0,
uint32_t tx_input_index=0, const uint32_t flags=libbitcoin::consensus::verify_flags_p2sh,
int32_t tx_size_hack=0)
{
data_chunk tx_data, prevout_script_data;
assert(decode_base16(tx_data, transaction));
assert(decode_base16(prevout_script_data, prevout_script));
return libbitcoin::consensus::verify_script(&tx_data[0], tx_data.size() + tx_size_hack,
&prevout_script_data[0], prevout_script_data.size(), prevout_value,
tx_input_index, flags);
}
int main() {
const libbitcoin::consensus::verify_result result = test_verify("42", "42");
assert(result == libbitcoin::consensus::verify_result_tx_invalid);
return 0;
}
EOS
system ENV.cxx, "-std=c++11", "test.cpp",
"-I#{libexec}/include",
"-L#{lib}", "-L#{libexec}/lib",
"-lbitcoin-consensus",
"-o", "test"
system "./test"
end
end