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Diffstat (limited to 'src/test/multisig_tests.cpp')
-rw-r--r-- | src/test/multisig_tests.cpp | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/src/test/multisig_tests.cpp b/src/test/multisig_tests.cpp new file mode 100644 index 0000000000..58f62b9542 --- /dev/null +++ b/src/test/multisig_tests.cpp @@ -0,0 +1,294 @@ +#include <boost/assert.hpp> +#include <boost/assign/list_of.hpp> +#include <boost/assign/list_inserter.hpp> +#include <boost/assign/std/vector.hpp> +#include <boost/test/unit_test.hpp> +#include <boost/foreach.hpp> +#include <boost/tuple/tuple.hpp> + +#include <openssl/ec.h> +#include <openssl/err.h> + +#include "keystore.h" +#include "main.h" +#include "script.h" +#include "wallet.h" + +using namespace std; +using namespace boost::assign; + +typedef vector<unsigned char> valtype; + +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& nSigOpCount, + int nHashType, bool fStrictOpEval); + +BOOST_AUTO_TEST_SUITE(multisig_tests) + +CScript +sign_multisig(CScript scriptPubKey, vector<CKey> keys, CTransaction transaction, int whichIn) +{ + uint256 hash = SignatureHash(scriptPubKey, transaction, whichIn, SIGHASH_ALL); + + CScript result; + result << OP_0; // CHECKMULTISIG bug workaround + 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; +} + +BOOST_AUTO_TEST_CASE(multisig_verify) +{ + CKey key[4]; + for (int i = 0; i < 4; i++) + key[i].MakeNewKey(); + + CScript a_and_b; + a_and_b << OP_2 << key[0].GetPubKey() << key[1].GetPubKey() << OP_2 << OP_CHECKMULTISIG; + + CScript a_or_b; + a_or_b << OP_1 << key[0].GetPubKey() << key[1].GetPubKey() << OP_2 << OP_CHECKMULTISIG; + + CScript escrow; + escrow << OP_2 << key[0].GetPubKey() << key[1].GetPubKey() << key[2].GetPubKey() << OP_3 << OP_CHECKMULTISIG; + + CTransaction txFrom; // Funding transaction + txFrom.vout.resize(3); + txFrom.vout[0].scriptPubKey = a_and_b; + txFrom.vout[1].scriptPubKey = a_or_b; + txFrom.vout[2].scriptPubKey = escrow; + + CTransaction txTo[3]; // Spending transaction + for (int i = 0; i < 3; i++) + { + txTo[i].vin.resize(1); + txTo[i].vout.resize(1); + txTo[i].vin[0].prevout.n = i; + txTo[i].vin[0].prevout.hash = txFrom.GetHash(); + txTo[i].vout[0].nValue = 1; + } + + vector<CKey> keys; + CScript s; + int nUnused = 0; + + // Test a AND b: + keys.clear(); + keys += key[0],key[1]; // magic operator+= from boost.assign + s = sign_multisig(a_and_b, keys, txTo[0], 0); + BOOST_CHECK(VerifyScript(s, a_and_b, txTo[0], 0, nUnused, 0, true)); + + for (int i = 0; i < 4; i++) + { + keys.clear(); + keys += key[i]; + s = sign_multisig(a_and_b, keys, txTo[0], 0); + BOOST_CHECK_MESSAGE(!VerifyScript(s, a_and_b, txTo[0], 0, nUnused, 0, true), strprintf("a&b 1: %d", i)); + + keys.clear(); + keys += key[1],key[i]; + s = sign_multisig(a_and_b, keys, txTo[0], 0); + BOOST_CHECK_MESSAGE(!VerifyScript(s, a_and_b, txTo[0], 0, nUnused, 0, true), strprintf("a&b 2: %d", i)); + } + + // Test a OR b: + for (int i = 0; i < 4; i++) + { + keys.clear(); + keys += key[i]; + s = sign_multisig(a_or_b, keys, txTo[1], 0); + if (i == 0 || i == 1) + BOOST_CHECK_MESSAGE(VerifyScript(s, a_or_b, txTo[1], 0, nUnused, 0, true), strprintf("a|b: %d", i)); + else + BOOST_CHECK_MESSAGE(!VerifyScript(s, a_or_b, txTo[1], 0, nUnused, 0, true), strprintf("a|b: %d", i)); + } + s.clear(); + s << OP_0 << OP_0; + BOOST_CHECK(!VerifyScript(s, a_or_b, txTo[1], 0, nUnused, 0, true)); + s.clear(); + s << OP_0 << OP_1; + BOOST_CHECK(!VerifyScript(s, a_or_b, txTo[1], 0, nUnused, 0, true)); + + + for (int i = 0; i < 4; i++) + for (int j = 0; j < 4; j++) + { + keys.clear(); + keys += key[i],key[j]; + s = sign_multisig(escrow, keys, txTo[2], 0); + if (i < j && i < 3 && j < 3) + BOOST_CHECK_MESSAGE(VerifyScript(s, escrow, txTo[2], 0, nUnused, 0, true), strprintf("escrow 1: %d %d", i, j)); + else + BOOST_CHECK_MESSAGE(!VerifyScript(s, escrow, txTo[2], 0, nUnused, 0, true), strprintf("escrow 2: %d %d", i, j)); + } +} + +BOOST_AUTO_TEST_CASE(multisig_IsStandard) +{ + CKey key[4]; + for (int i = 0; i < 4; i++) + key[i].MakeNewKey(); + + CScript a_and_b; + a_and_b << OP_2 << key[0].GetPubKey() << key[1].GetPubKey() << OP_2 << OP_CHECKMULTISIG; + BOOST_CHECK(::IsStandard(a_and_b)); + + CScript a_or_b; + a_or_b << OP_1 << key[0].GetPubKey() << key[1].GetPubKey() << OP_2 << OP_CHECKMULTISIG; + BOOST_CHECK(::IsStandard(a_or_b)); + + CScript escrow; + escrow << OP_2 << key[0].GetPubKey() << key[1].GetPubKey() << key[2].GetPubKey() << OP_3 << OP_CHECKMULTISIG; + BOOST_CHECK(::IsStandard(escrow)); + + CScript one_of_four; + one_of_four << OP_1 << key[0].GetPubKey() << key[1].GetPubKey() << key[2].GetPubKey() << key[3].GetPubKey() << OP_4 << OP_CHECKMULTISIG; + BOOST_CHECK(!::IsStandard(one_of_four)); + + CScript malformed[6]; + malformed[0] << OP_3 << key[0].GetPubKey() << key[1].GetPubKey() << OP_2 << OP_CHECKMULTISIG; + malformed[1] << OP_2 << key[0].GetPubKey() << key[1].GetPubKey() << OP_3 << OP_CHECKMULTISIG; + malformed[2] << OP_0 << key[0].GetPubKey() << key[1].GetPubKey() << OP_2 << OP_CHECKMULTISIG; + malformed[3] << OP_1 << key[0].GetPubKey() << key[1].GetPubKey() << OP_0 << OP_CHECKMULTISIG; + malformed[4] << OP_1 << key[0].GetPubKey() << key[1].GetPubKey() << OP_CHECKMULTISIG; + malformed[5] << OP_1 << key[0].GetPubKey() << key[1].GetPubKey(); + + for (int i = 0; i < 6; i++) + BOOST_CHECK(!::IsStandard(malformed[i])); +} + +BOOST_AUTO_TEST_CASE(multisig_Solver1) +{ + // Tests Solver() that returns lists of keys that are + // required to satisfy a ScriptPubKey + // + // Also tests IsMine() and ExtractAddress() + // + // Note: ExtractAddress for the multisignature transactions + // always returns false for this release, even if you have + // one key that would satisfy an (a|b) or 2-of-3 keys needed + // to spend an escrow transaction. + // + CBasicKeyStore keystore, emptykeystore; + CKey key[3]; + CBitcoinAddress keyaddr[3]; + for (int i = 0; i < 3; i++) + { + key[i].MakeNewKey(); + keystore.AddKey(key[i]); + keyaddr[i].SetPubKey(key[i].GetPubKey()); + } + + { + vector<valtype> solutions; + txnouttype whichType; + CScript s; + s << key[0].GetPubKey() << OP_CHECKSIG; + BOOST_CHECK(Solver(s, whichType, solutions)); + BOOST_CHECK(solutions.size() == 1); + CBitcoinAddress addr; + BOOST_CHECK(ExtractAddress(s, &keystore, addr)); + BOOST_CHECK(addr == keyaddr[0]); + BOOST_CHECK(IsMine(keystore, s)); + BOOST_CHECK(!IsMine(emptykeystore, s)); + } + { + vector<valtype> solutions; + txnouttype whichType; + CScript s; + s << OP_DUP << OP_HASH160 << Hash160(key[0].GetPubKey()) << OP_EQUALVERIFY << OP_CHECKSIG; + BOOST_CHECK(Solver(s, whichType, solutions)); + BOOST_CHECK(solutions.size() == 1); + CBitcoinAddress addr; + BOOST_CHECK(ExtractAddress(s, &keystore, addr)); + BOOST_CHECK(addr == keyaddr[0]); + BOOST_CHECK(IsMine(keystore, s)); + BOOST_CHECK(!IsMine(emptykeystore, s)); + } + { + vector<valtype> solutions; + txnouttype whichType; + CScript s; + s << OP_2 << key[0].GetPubKey() << key[1].GetPubKey() << OP_2 << OP_CHECKMULTISIG; + BOOST_CHECK(Solver(s, whichType, solutions)); + BOOST_CHECK_EQUAL(solutions.size(), 4); + CBitcoinAddress addr; + BOOST_CHECK(!ExtractAddress(s, &keystore, addr)); + BOOST_CHECK(IsMine(keystore, s)); + BOOST_CHECK(!IsMine(emptykeystore, s)); + } + { + vector<valtype> solutions; + txnouttype whichType; + CScript s; + s << OP_1 << key[0].GetPubKey() << key[1].GetPubKey() << OP_2 << OP_CHECKMULTISIG; + BOOST_CHECK(Solver(s, whichType, solutions)); + BOOST_CHECK_EQUAL(solutions.size(), 4); + vector<CBitcoinAddress> addrs; + int nRequired; + BOOST_CHECK(ExtractAddresses(s, &keystore, whichType, addrs, nRequired)); + BOOST_CHECK(addrs[0] == keyaddr[0]); + BOOST_CHECK(addrs[1] == keyaddr[1]); + BOOST_CHECK(nRequired = 1); + BOOST_CHECK(IsMine(keystore, s)); + BOOST_CHECK(!IsMine(emptykeystore, s)); + } + { + vector<valtype> solutions; + txnouttype whichType; + CScript s; + s << OP_2 << key[0].GetPubKey() << key[1].GetPubKey() << key[2].GetPubKey() << OP_3 << OP_CHECKMULTISIG; + BOOST_CHECK(Solver(s, whichType, solutions)); + BOOST_CHECK(solutions.size() == 5); + } +} + +BOOST_AUTO_TEST_CASE(multisig_Sign) +{ + // Test SignSignature() (and therefore the version of Solver() that signs transactions) + CBasicKeyStore keystore; + CKey key[4]; + for (int i = 0; i < 4; i++) + { + key[i].MakeNewKey(); + keystore.AddKey(key[i]); + } + + CScript a_and_b; + a_and_b << OP_2 << key[0].GetPubKey() << key[1].GetPubKey() << OP_2 << OP_CHECKMULTISIG; + + CScript a_or_b; + a_or_b << OP_1 << key[0].GetPubKey() << key[1].GetPubKey() << OP_2 << OP_CHECKMULTISIG; + + CScript escrow; + escrow << OP_2 << key[0].GetPubKey() << key[1].GetPubKey() << key[2].GetPubKey() << OP_3 << OP_CHECKMULTISIG; + + CTransaction txFrom; // Funding transaction + txFrom.vout.resize(3); + txFrom.vout[0].scriptPubKey = a_and_b; + txFrom.vout[1].scriptPubKey = a_or_b; + txFrom.vout[2].scriptPubKey = escrow; + + CTransaction txTo[3]; // Spending transaction + for (int i = 0; i < 3; i++) + { + txTo[i].vin.resize(1); + txTo[i].vout.resize(1); + txTo[i].vin[0].prevout.n = i; + txTo[i].vin[0].prevout.hash = txFrom.GetHash(); + txTo[i].vout[0].nValue = 1; + } + + for (int i = 0; i < 3; i++) + { + BOOST_CHECK_MESSAGE(SignSignature(keystore, txFrom, txTo[i], 0), strprintf("SignSignature %d", i)); + } +} + + +BOOST_AUTO_TEST_SUITE_END() |