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CHECKMULTISIG unit tests.

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This commit is contained in:
Gavin Andresen 2011-08-26 18:41:22 -04:00
parent 1224a14ae4
commit 829e21733b
4 changed files with 142 additions and 6 deletions
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4
src/makefile.mingw
View file

@ -83,8 +83,8 @@ obj/nogui/%.o: %.cpp $(HEADERS)
bitcoind.exe: $(OBJS:obj/%=obj/nogui/%) obj/ui_res.o bitcoind.exe: $(OBJS:obj/%=obj/nogui/%) obj/ui_res.o
g++ $(CFLAGS) -o $@ $(LIBPATHS) $^ $(LIBS) g++ $(CFLAGS) -o $@ $(LIBPATHS) $^ $(LIBS)
obj/test/%.o: obj/test/%.cpp $(HEADERS) obj/test/test_bitcoin.o: $(wildcard test/*.cpp) $(HEADERS)
g++ -c $(CFLAGS) -o $@ $< g++ -c $(CFLAGS) -o $@ test/test_bitcoin.cpp
test_bitcoin.exe: obj/test/test_bitcoin.o $(filter-out obj/nogui/init.o,$(OBJS:obj/%=obj/nogui/%)) test_bitcoin.exe: obj/test/test_bitcoin.o $(filter-out obj/nogui/init.o,$(OBJS:obj/%=obj/nogui/%))
g++ $(CFLAGS) -o $@ $(LIBPATHS) $^ $(LIBS) g++ $(CFLAGS) -o $@ $(LIBPATHS) $^ $(LIBS)

4
src/makefile.osx
View file

@ -76,8 +76,8 @@ obj/nogui/%.o: %.cpp $(HEADERS)
bitcoind: $(OBJS:obj/%=obj/nogui/%) bitcoind: $(OBJS:obj/%=obj/nogui/%)
$(CXX) $(CFLAGS) -o $@ $(LIBPATHS) $^ $(LIBS) $(CXX) $(CFLAGS) -o $@ $(LIBPATHS) $^ $(LIBS)
obj/test/%.o: test/%.cpp $(HEADERS) obj/test/test_bitcoin.o: $(wildcard test/*.cpp) $(HEADERS)
$(CXX) -c $(CFLAGS) -o $@ $< $(CXX) -c $(CFLAGS) -o $@ test/test_bitcoin.cpp
test_bitcoin: obj/test/test_bitcoin.o $(filter-out obj/nogui/init.o,$(OBJS:obj/%=obj/nogui/%)) test_bitcoin: obj/test/test_bitcoin.o $(filter-out obj/nogui/init.o,$(OBJS:obj/%=obj/nogui/%))
$(CXX) $(CFLAGS) -o $@ $(LIBPATHS) $^ $(LIBS) -lboost_unit_test_framework $(CXX) $(CFLAGS) -o $@ $(LIBPATHS) $^ $(LIBS) -lboost_unit_test_framework

4
src/makefile.unix
View file

@ -77,8 +77,8 @@ obj/nogui/%.o: %.cpp $(HEADERS)
bitcoind: $(OBJS:obj/%=obj/nogui/%) bitcoind: $(OBJS:obj/%=obj/nogui/%)
$(CXX) $(CXXFLAGS) -o $@ $^ $(LIBS) $(CXX) $(CXXFLAGS) -o $@ $^ $(LIBS)
obj/test/%.o: test/%.cpp $(HEADERS) obj/test/test_bitcoin.o: $(wildcard test/*.cpp) $(HEADERS)
$(CXX) -c $(CXXFLAGS) -o $@ $< $(CXX) -c $(CFLAGS) -o $@ test/test_bitcoin.cpp
test_bitcoin: obj/test/test_bitcoin.o $(filter-out obj/nogui/init.o,$(OBJS:obj/%=obj/nogui/%)) test_bitcoin: obj/test/test_bitcoin.o $(filter-out obj/nogui/init.o,$(OBJS:obj/%=obj/nogui/%))
$(CXX) $(CXXFLAGS) -o $@ $(LIBPATHS) $^ -Wl,-Bstatic -lboost_unit_test_framework $(LIBS) $(CXX) $(CXXFLAGS) -o $@ $(LIBPATHS) $^ -Wl,-Bstatic -lboost_unit_test_framework $(LIBS)

136
src/test/script_tests.cpp
View file

@ -6,6 +6,9 @@
#include "../wallet.h" #include "../wallet.h"
using namespace std; using namespace std;
extern uint256 SignatureHash(CScript scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType);
extern bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, int nHashType);
extern bool VerifySignature(const CTransaction& txFrom, const CTransaction& txTo, unsigned int nIn, int nHashType);
BOOST_AUTO_TEST_SUITE(script_tests) BOOST_AUTO_TEST_SUITE(script_tests)
@ -34,4 +37,137 @@ BOOST_AUTO_TEST_CASE(script_PushData)
BOOST_CHECK(pushdata4Stack == directStack); BOOST_CHECK(pushdata4Stack == directStack);
} }
CScript
sign_multisig(CScript scriptPubKey, std::vector<CKey> keys, CTransaction transaction)
{
uint256 hash = SignatureHash(scriptPubKey, transaction, 0, SIGHASH_ALL);
CScript result;
//
// NOTE: CHECKMULTISIG has an unfortunate bug; it requires
// one extra item on the stack, before the signatures.
// Putting OP_0 on the stack is the workaround;
// fixing the bug would mean splitting the blockchain (old
// clients would not accept new CHECKMULTISIG transactions,
// and vice-versa)
//
result << OP_0;
BOOST_FOREACH(CKey key, keys)
{
vector<unsigned char> vchSig;
BOOST_CHECK(key.Sign(hash, vchSig));
vchSig.push_back((unsigned char)SIGHASH_ALL);
result << vchSig;
}
return result;
}
CScript
sign_multisig(CScript scriptPubKey, CKey key, CTransaction transaction)
{
std::vector<CKey> keys;
keys.push_back(key);
return sign_multisig(scriptPubKey, keys, transaction);
}
BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG12)
{
CKey key1, key2, key3;
key1.MakeNewKey();
key2.MakeNewKey();
key3.MakeNewKey();
CScript scriptPubKey12;
scriptPubKey12 << OP_1 << key1.GetPubKey() << key2.GetPubKey() << OP_2 << OP_CHECKMULTISIG;
CTransaction txFrom12;
txFrom12.vout.resize(1);
txFrom12.vout[0].scriptPubKey = scriptPubKey12;
CTransaction txTo12;
txTo12.vin.resize(1);
txTo12.vout.resize(1);
txTo12.vin[0].prevout.n = 0;
txTo12.vin[0].prevout.hash = txFrom12.GetHash();
txTo12.vout[0].nValue = 1;
CScript goodsig1 = sign_multisig(scriptPubKey12, key1, txTo12);
BOOST_CHECK(VerifyScript(goodsig1, scriptPubKey12, txTo12, 0, 0));
txTo12.vout[0].nValue = 2;
BOOST_CHECK(!VerifyScript(goodsig1, scriptPubKey12, txTo12, 0, 0));
CScript goodsig2 = sign_multisig(scriptPubKey12, key2, txTo12);
BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey12, txTo12, 0, 0));
CScript badsig1 = sign_multisig(scriptPubKey12, key3, txTo12);
BOOST_CHECK(!VerifyScript(badsig1, scriptPubKey12, txTo12, 0, 0));
}
BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG23)
{
CKey key1, key2, key3, key4;
key1.MakeNewKey();
key2.MakeNewKey();
key3.MakeNewKey();
key4.MakeNewKey();
CScript scriptPubKey23;
scriptPubKey23 << OP_2 << key1.GetPubKey() << key2.GetPubKey() << key3.GetPubKey() << OP_3 << OP_CHECKMULTISIG;
CTransaction txFrom23;
txFrom23.vout.resize(1);
txFrom23.vout[0].scriptPubKey = scriptPubKey23;
CTransaction txTo23;
txTo23.vin.resize(1);
txTo23.vout.resize(1);
txTo23.vin[0].prevout.n = 0;
txTo23.vin[0].prevout.hash = txFrom23.GetHash();
txTo23.vout[0].nValue = 1;
std::vector<CKey> keys;
keys.push_back(key1); keys.push_back(key2);
CScript goodsig1 = sign_multisig(scriptPubKey23, keys, txTo23);
BOOST_CHECK(VerifyScript(goodsig1, scriptPubKey23, txTo23, 0, 0));
keys.clear();
keys.push_back(key1); keys.push_back(key3);
CScript goodsig2 = sign_multisig(scriptPubKey23, keys, txTo23);
BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey23, txTo23, 0, 0));
keys.clear();
keys.push_back(key2); keys.push_back(key3);
CScript goodsig3 = sign_multisig(scriptPubKey23, keys, txTo23);
BOOST_CHECK(VerifyScript(goodsig3, scriptPubKey23, txTo23, 0, 0));
keys.clear();
keys.push_back(key2); keys.push_back(key2); // Can't re-use sig
CScript badsig1 = sign_multisig(scriptPubKey23, keys, txTo23);
BOOST_CHECK(!VerifyScript(badsig1, scriptPubKey23, txTo23, 0, 0));
keys.clear();
keys.push_back(key2); keys.push_back(key1); // sigs must be in correct order
CScript badsig2 = sign_multisig(scriptPubKey23, keys, txTo23);
BOOST_CHECK(!VerifyScript(badsig2, scriptPubKey23, txTo23, 0, 0));
keys.clear();
keys.push_back(key3); keys.push_back(key2); // sigs must be in correct order
CScript badsig3 = sign_multisig(scriptPubKey23, keys, txTo23);
BOOST_CHECK(!VerifyScript(badsig3, scriptPubKey23, txTo23, 0, 0));
keys.clear();
keys.push_back(key4); keys.push_back(key2); // sigs must match pubkeys
CScript badsig4 = sign_multisig(scriptPubKey23, keys, txTo23);
BOOST_CHECK(!VerifyScript(badsig4, scriptPubKey23, txTo23, 0, 0));
keys.clear();
keys.push_back(key1); keys.push_back(key4); // sigs must match pubkeys
CScript badsig5 = sign_multisig(scriptPubKey23, keys, txTo23);
BOOST_CHECK(!VerifyScript(badsig5, scriptPubKey23, txTo23, 0, 0));
keys.clear(); // Must have signatures
CScript badsig6 = sign_multisig(scriptPubKey23, keys, txTo23);
BOOST_CHECK(!VerifyScript(badsig6, scriptPubKey23, txTo23, 0, 0));
}
BOOST_AUTO_TEST_SUITE_END() BOOST_AUTO_TEST_SUITE_END()