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src/test/sigcache_tests.cpp
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| // Copyright (c) 2012-2015 The Bitcoin Core developers | |||||
| // Copyright (c) 2019- The Bitcoin developers | |||||
| // Distributed under the MIT software license, see the accompanying | |||||
| // file COPYING or http://www.opensource.org/licenses/mit-license.php. | |||||
| // (based on key_tests.cpp) | |||||
| #include "key.h" | |||||
| #include "base58.h" | |||||
| #include "dstencode.h" | |||||
| #include "script/interpreter.h" | |||||
| #include "script/script.h" | |||||
| #include "script/sigcache.h" | |||||
| #include "test/test_bitcoin.h" | |||||
| #include "uint256.h" | |||||
| #include "util.h" | |||||
| #include "utilstrencodings.h" | |||||
| #include <string> | |||||
| #include <vector> | |||||
| #include <boost/test/unit_test.hpp> | |||||
| static const std::string strSecret1 = | |||||
| "5HxWvvfubhXpYYpS3tJkw6fq9jE9j18THftkZjHHfmFiWtmAbrj"; | |||||
| BOOST_FIXTURE_TEST_SUITE(sigcache_tests, BasicTestingSetup) | |||||
| BOOST_AUTO_TEST_CASE(invariant_tests) { | |||||
| // In this test, we are going to test whether VerifySignature correctly | |||||
| // varies the hash when we tweak sensitive flags (namely, | |||||
| // SCRIPT_ENABLE_SCHNORR) | |||||
| // Create a dummy transaction since the sigcache is only accessible | |||||
| // via CachingTransactionSignatureChecker, which requires a tx. | |||||
| CDataStream stream( | |||||
| ParseHex( | |||||
| "010000000122739e70fbee987a8be1788395a2f2e6ad18ccb7ff611cd798071539" | |||||
| "dde3c38e000000000151ffffffff010000000000000000016a00000000"), | |||||
| SER_NETWORK, PROTOCOL_VERSION); | |||||
| CTransaction dummyTx(deserialize, stream); | |||||
| PrecomputedTransactionData txdata(dummyTx); | |||||
| // We access sigcache through CachingTransactionSignatureChecker | |||||
| CachingTransactionSignatureChecker checker(&dummyTx, 0, 0 * SATOSHI, true, | |||||
| txdata); | |||||
| // use these flags as a backround basis for the test | |||||
| uint32_t flags = SCRIPT_VERIFY_NONE; | |||||
| CBitcoinSecret bsecret1; | |||||
| BOOST_CHECK(bsecret1.SetString(strSecret1)); | |||||
| CKey key1 = bsecret1.GetKey(); | |||||
| BOOST_CHECK(key1.IsCompressed() == false); | |||||
| CPubKey pubkey1 = key1.GetPubKey(); | |||||
| BOOST_CHECK(key1.VerifyPubKey(pubkey1)); | |||||
| for (int n = 0; n < 16; n++) { | |||||
| std::string strMsg = strprintf("Sigcache test %i: 11", n); | |||||
| uint256 hashMsg = Hash(strMsg.begin(), strMsg.end()); | |||||
| // Make Schnorr signature (64 bytes) | |||||
| std::vector<uint8_t> sigSchnorr; | |||||
| BOOST_CHECK(key1.SignSchnorr(hashMsg, sigSchnorr)); | |||||
| // direct testing | |||||
| BOOST_CHECK(pubkey1.VerifySchnorr(hashMsg, sigSchnorr)); | |||||
| BOOST_CHECK(!pubkey1.VerifyECDSA(hashMsg, sigSchnorr)); | |||||
| // put valid Schnorr signature into cache | |||||
| uint32_t schnorr_flags = flags | SCRIPT_ENABLE_SCHNORR; | |||||
| BOOST_CHECK(checker.VerifySignature(sigSchnorr, pubkey1, hashMsg, | |||||
| schnorr_flags)); | |||||
| // now try verifying it with Schnorrs disabled -- it should | |||||
| // miss the cache and thereafter fail to verify as ECDSA | |||||
| uint32_t ecdsa_flags = flags & ~SCRIPT_ENABLE_SCHNORR; | |||||
| BOOST_CHECK(!checker.VerifySignature(sigSchnorr, pubkey1, hashMsg, | |||||
| ecdsa_flags)); | |||||
| } | |||||
| } | |||||
| BOOST_AUTO_TEST_SUITE_END() | |||||