107 lines
3.9 KiB
Ruby
107 lines
3.9 KiB
Ruby
class LibbitcoinConsensus < Formula
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desc "Bitcoin Consensus Library (optional)"
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homepage "https://github.com/libbitcoin/libbitcoin-consensus"
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url "https://github.com/libbitcoin/libbitcoin-consensus/archive/v3.6.0.tar.gz"
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sha256 "5d343eee6525e2e6b5403aa0e9196e7b4c7cd20d97c2b8ef92497fdcbbe59602"
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bottle do
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cellar :any
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sha256 "46a04baae04ffd5ac737a43003396ca2cce533afa18a47b038938fb1a3c782d5" => :mojave
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sha256 "a96ea9a7a7761ec95d98c513ec7acfcbc5638e86b7d483204446be711cbdff2c" => :high_sierra
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sha256 "d1c377534d2bec37652a62790e44e443cc3a72ef85b822679e07939fe2a51982" => :sierra
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end
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depends_on "autoconf" => :build
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depends_on "automake" => :build
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depends_on "boost" => :build
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depends_on "libtool" => :build
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depends_on "pkg-config" => :build
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resource "secp256k1" do
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url "https://github.com/libbitcoin/secp256k1/archive/v0.1.0.13.tar.gz"
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sha256 "9e48dbc88d0fb5646d40ea12df9375c577f0e77525e49833fb744d3c2a69e727"
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end
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def install
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resource("secp256k1").stage do
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system "./autogen.sh"
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system "./configure", "--disable-dependency-tracking",
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"--disable-silent-rules",
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"--prefix=#{libexec}",
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"--enable-module-recovery",
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"--with-bignum=no"
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system "make", "install"
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end
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ENV.prepend_path "PKG_CONFIG_PATH", "#{libexec}/lib/pkgconfig"
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system "./autogen.sh"
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system "./configure", "--disable-dependency-tracking",
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"--disable-silent-rules",
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"--prefix=#{prefix}"
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system "make", "install"
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end
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test do
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(testpath/"test.cpp").write <<~EOS
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#include <string>
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#include <vector>
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#include <assert.h>
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#include <bitcoin/consensus.hpp>
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typedef std::vector<uint8_t> data_chunk;
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static unsigned from_hex(const char ch)
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{
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if ('A' <= ch && ch <= 'F')
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return 10 + ch - 'A';
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if ('a' <= ch && ch <= 'f')
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return 10 + ch - 'a';
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return ch - '0';
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}
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static bool decode_base16_private(uint8_t* out, size_t size, const char* in)
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{
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for (size_t i = 0; i < size; ++i)
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{
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if (!isxdigit(in[0]) || !isxdigit(in[1]))
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return false;
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out[i] = (from_hex(in[0]) << 4) + from_hex(in[1]);
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in += 2;
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}
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return true;
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}
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static bool decode_base16(data_chunk& out, const std::string& in)
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{
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// This prevents a last odd character from being ignored:
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if (in.size() % 2 != 0)
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return false;
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data_chunk result(in.size() / 2);
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if (!decode_base16_private(result.data(), result.size(), in.data()))
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return false;
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out = result;
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return true;
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}
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static libbitcoin::consensus::verify_result test_verify(const std::string& transaction,
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const std::string& prevout_script, uint64_t prevout_value=0,
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uint32_t tx_input_index=0, const uint32_t flags=libbitcoin::consensus::verify_flags_p2sh,
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int32_t tx_size_hack=0)
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{
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data_chunk tx_data, prevout_script_data;
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assert(decode_base16(tx_data, transaction));
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assert(decode_base16(prevout_script_data, prevout_script));
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return libbitcoin::consensus::verify_script(&tx_data[0], tx_data.size() + tx_size_hack,
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&prevout_script_data[0], prevout_script_data.size(), prevout_value,
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tx_input_index, flags);
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}
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int main() {
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const libbitcoin::consensus::verify_result result = test_verify("42", "42");
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assert(result == libbitcoin::consensus::verify_result_tx_invalid);
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return 0;
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}
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EOS
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system ENV.cxx, "-std=c++11", "test.cpp",
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"-I#{libexec}/include",
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"-L#{lib}", "-L#{libexec}/lib",
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"-lbitcoin-consensus",
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"-o", "test"
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system "./test"
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end
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end
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