diff options
Diffstat (limited to 'src/test/script_tests.cpp')
| -rw-r--r-- | src/test/script_tests.cpp | 765 |
1 files changed, 615 insertions, 150 deletions
diff --git a/src/test/script_tests.cpp b/src/test/script_tests.cpp index 61d9a64ee..4db8942fa 100644 --- a/src/test/script_tests.cpp +++ b/src/test/script_tests.cpp @@ -1,173 +1,607 @@ -#include <iostream> +// Copyright (c) 2011-2014 The Bitcoin Core developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#include "data/script_invalid.json.h" +#include "data/script_valid.json.h" + +#include "core_io.h" +#include "key.h" +#include "keystore.h" +#include "main.h" +#include "script/script.h" +#include "script/script_error.h" +#include "script/sign.h" +#include "util.h" + +#if defined(HAVE_CONSENSUS_LIB) +#include "script/bitcoinconsensus.h" +#endif + #include <fstream> +#include <stdint.h> +#include <string> #include <vector> -#include <boost/algorithm/string/classification.hpp> -#include <boost/algorithm/string/predicate.hpp> -#include <boost/algorithm/string/replace.hpp> -#include <boost/algorithm/string/split.hpp> + #include <boost/foreach.hpp> -#include <boost/preprocessor/stringize.hpp> #include <boost/test/unit_test.hpp> #include "json/json_spirit_reader_template.h" -#include "json/json_spirit_writer_template.h" #include "json/json_spirit_utils.h" - -#include "main.h" -#include "wallet.h" +#include "json/json_spirit_writer_template.h" using namespace std; using namespace json_spirit; -using namespace boost::algorithm; -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, - bool fValidatePayToScriptHash, int nHashType); +// Uncomment if you want to output updated JSON tests. +// #define UPDATE_JSON_TESTS -CScript -ParseScript(string s) +static const unsigned int flags = SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_STRICTENC; + +unsigned int ParseScriptFlags(string strFlags); +string FormatScriptFlags(unsigned int flags); + +Array +read_json(const std::string& jsondata) { - CScript result; + Value v; + + if (!read_string(jsondata, v) || v.type() != array_type) + { + BOOST_ERROR("Parse error."); + return Array(); + } + return v.get_array(); +} + +BOOST_AUTO_TEST_SUITE(script_tests) + +CMutableTransaction BuildCreditingTransaction(const CScript& scriptPubKey) +{ + CMutableTransaction txCredit; + txCredit.nVersion = 1; + txCredit.nLockTime = 0; + txCredit.vin.resize(1); + txCredit.vout.resize(1); + txCredit.vin[0].prevout.SetNull(); + txCredit.vin[0].scriptSig = CScript() << CScriptNum(0) << CScriptNum(0); + txCredit.vin[0].nSequence = std::numeric_limits<unsigned int>::max(); + txCredit.vout[0].scriptPubKey = scriptPubKey; + txCredit.vout[0].nValue = 0; + + return txCredit; +} - static map<string, opcodetype> mapOpNames; +CMutableTransaction BuildSpendingTransaction(const CScript& scriptSig, const CMutableTransaction& txCredit) +{ + CMutableTransaction txSpend; + txSpend.nVersion = 1; + txSpend.nLockTime = 0; + txSpend.vin.resize(1); + txSpend.vout.resize(1); + txSpend.vin[0].prevout.hash = txCredit.GetHash(); + txSpend.vin[0].prevout.n = 0; + txSpend.vin[0].scriptSig = scriptSig; + txSpend.vin[0].nSequence = std::numeric_limits<unsigned int>::max(); + txSpend.vout[0].scriptPubKey = CScript(); + txSpend.vout[0].nValue = 0; + + return txSpend; +} - if (mapOpNames.size() == 0) +void DoTest(const CScript& scriptPubKey, const CScript& scriptSig, int flags, bool expect, const std::string& message) +{ + ScriptError err; + CMutableTransaction tx = BuildSpendingTransaction(scriptSig, BuildCreditingTransaction(scriptPubKey)); + CMutableTransaction tx2 = tx; + BOOST_CHECK_MESSAGE(VerifyScript(scriptSig, scriptPubKey, flags, SignatureChecker(tx, 0), &err) == expect, message); + BOOST_CHECK_MESSAGE(expect == (err == SCRIPT_ERR_OK), std::string(ScriptErrorString(err)) + ": " + message); +#if defined(HAVE_CONSENSUS_LIB) + CDataStream stream(SER_NETWORK, PROTOCOL_VERSION); + stream << tx2; + BOOST_CHECK_MESSAGE(bitcoinconsensus_verify_script(begin_ptr(scriptPubKey), scriptPubKey.size(), (const unsigned char*)&stream[0], stream.size(), 0, flags, NULL) == expect,message); +#endif +} + +void static NegateSignatureS(std::vector<unsigned char>& vchSig) { + // Parse the signature. + std::vector<unsigned char> r, s; + r = std::vector<unsigned char>(vchSig.begin() + 4, vchSig.begin() + 4 + vchSig[3]); + s = std::vector<unsigned char>(vchSig.begin() + 6 + vchSig[3], vchSig.begin() + 6 + vchSig[3] + vchSig[5 + vchSig[3]]); + unsigned char hashtype = vchSig.back(); + + // Really ugly to implement mod-n negation here, but it would be feature creep to expose such functionality from libsecp256k1. + static const unsigned char order[33] = { + 0x00, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, + 0xBA, 0xAE, 0xDC, 0xE6, 0xAF, 0x48, 0xA0, 0x3B, + 0xBF, 0xD2, 0x5E, 0x8C, 0xD0, 0x36, 0x41, 0x41 + }; + while (s.size() < 33) { + s.insert(s.begin(), 0x00); + } + int carry = 0; + for (int p = 32; p >= 1; p--) { + int n = (int)order[p] - s[p] - carry; + s[p] = (n + 256) & 0xFF; + carry = (n < 0); + } + assert(carry == 0); + if (s.size() > 1 && s[0] == 0 && s[1] < 0x80) { + s.erase(s.begin()); + } + + // Reconstruct the signature. + vchSig.clear(); + vchSig.push_back(0x30); + vchSig.push_back(4 + r.size() + s.size()); + vchSig.push_back(0x02); + vchSig.push_back(r.size()); + vchSig.insert(vchSig.end(), r.begin(), r.end()); + vchSig.push_back(0x02); + vchSig.push_back(s.size()); + vchSig.insert(vchSig.end(), s.begin(), s.end()); + vchSig.push_back(hashtype); +} + +namespace +{ +const unsigned char vchKey0[32] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}; +const unsigned char vchKey1[32] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0}; +const unsigned char vchKey2[32] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0}; + +struct KeyData +{ + CKey key0, key0C, key1, key1C, key2, key2C; + CPubKey pubkey0, pubkey0C, pubkey0H; + CPubKey pubkey1, pubkey1C; + CPubKey pubkey2, pubkey2C; + + KeyData() { - for (int op = OP_NOP; op <= OP_NOP10; op++) - { - const char* name = GetOpName((opcodetype)op); - if (strcmp(name, "OP_UNKNOWN") == 0) - continue; - string strName(name); - mapOpNames[strName] = (opcodetype)op; - // Convenience: OP_ADD and just ADD are both recognized: - replace_first(strName, "OP_", ""); - mapOpNames[strName] = (opcodetype)op; - } + + key0.Set(vchKey0, vchKey0 + 32, false); + key0C.Set(vchKey0, vchKey0 + 32, true); + pubkey0 = key0.GetPubKey(); + pubkey0H = key0.GetPubKey(); + pubkey0C = key0C.GetPubKey(); + *const_cast<unsigned char*>(&pubkey0H[0]) = 0x06 | (pubkey0H[64] & 1); + + key1.Set(vchKey1, vchKey1 + 32, false); + key1C.Set(vchKey1, vchKey1 + 32, true); + pubkey1 = key1.GetPubKey(); + pubkey1C = key1C.GetPubKey(); + + key2.Set(vchKey2, vchKey2 + 32, false); + key2C.Set(vchKey2, vchKey2 + 32, true); + pubkey2 = key2.GetPubKey(); + pubkey2C = key2C.GetPubKey(); } +}; - vector<string> words; - split(words, s, is_any_of(" \t\n"), token_compress_on); - BOOST_FOREACH(string w, words) +class TestBuilder +{ +private: + CScript scriptPubKey; + CTransaction creditTx; + CMutableTransaction spendTx; + bool havePush; + std::vector<unsigned char> push; + std::string comment; + int flags; + + void DoPush() { - if (all(w, is_digit()) || - (starts_with(w, "-") && all(string(w.begin()+1, w.end()), is_digit()))) - { - // Number - int64 n = atoi64(w); - result << n; - } - else if (starts_with(w, "0x") && IsHex(string(w.begin()+2, w.end()))) - { - // Raw hex data, inserted NOT pushed onto stack: - std::vector<unsigned char> raw = ParseHex(string(w.begin()+2, w.end())); - result.insert(result.end(), raw.begin(), raw.end()); - } - else if (w.size() >= 2 && starts_with(w, "'") && ends_with(w, "'")) - { - // Single-quoted string, pushed as data. NOTE: this is poor-man's - // parsing, spaces/tabs/newlines in single-quoted strings won't work. - std::vector<unsigned char> value(w.begin()+1, w.end()-1); - result << value; + if (havePush) { + spendTx.vin[0].scriptSig << push; + havePush = false; } - else if (mapOpNames.count(w)) - { - // opcode, e.g. OP_ADD or OP_1: - result << mapOpNames[w]; + } + + void DoPush(const std::vector<unsigned char>& data) + { + DoPush(); + push = data; + havePush = true; + } + +public: + TestBuilder(const CScript& redeemScript, const std::string& comment_, int flags_, bool P2SH = false) : scriptPubKey(redeemScript), havePush(false), comment(comment_), flags(flags_) + { + if (P2SH) { + creditTx = BuildCreditingTransaction(CScript() << OP_HASH160 << ToByteVector(CScriptID(redeemScript)) << OP_EQUAL); + } else { + creditTx = BuildCreditingTransaction(redeemScript); } - else - { - BOOST_ERROR("Parse error: " << s); - return CScript(); - } + spendTx = BuildSpendingTransaction(CScript(), creditTx); } - return result; -} + TestBuilder& Add(const CScript& script) + { + DoPush(); + spendTx.vin[0].scriptSig += script; + return *this; + } -Array -read_json(const std::string& filename) -{ - namespace fs = boost::filesystem; - fs::path testFile = fs::current_path() / "test" / "data" / filename; + TestBuilder& Num(int num) + { + DoPush(); + spendTx.vin[0].scriptSig << num; + return *this; + } -#ifdef TEST_DATA_DIR - if (!fs::exists(testFile)) + TestBuilder& Push(const std::string& hex) { - testFile = fs::path(BOOST_PP_STRINGIZE(TEST_DATA_DIR)) / filename; + DoPush(ParseHex(hex)); + return *this; } -#endif - ifstream ifs(testFile.string().c_str(), ifstream::in); - Value v; - if (!read_stream(ifs, v)) + TestBuilder& PushSig(const CKey& key, int nHashType = SIGHASH_ALL, unsigned int lenR = 32, unsigned int lenS = 32) { - if (ifs.fail()) - BOOST_ERROR("Cound not find/open " << filename); - else - BOOST_ERROR("JSON syntax error in " << filename); - return Array(); + uint256 hash = SignatureHash(scriptPubKey, spendTx, 0, nHashType); + std::vector<unsigned char> vchSig, r, s; + uint32_t iter = 0; + do { + key.Sign(hash, vchSig, iter++); + if ((lenS == 33) != (vchSig[5 + vchSig[3]] == 33)) { + NegateSignatureS(vchSig); + } + r = std::vector<unsigned char>(vchSig.begin() + 4, vchSig.begin() + 4 + vchSig[3]); + s = std::vector<unsigned char>(vchSig.begin() + 6 + vchSig[3], vchSig.begin() + 6 + vchSig[3] + vchSig[5 + vchSig[3]]); + } while (lenR != r.size() || lenS != s.size()); + vchSig.push_back(static_cast<unsigned char>(nHashType)); + DoPush(vchSig); + return *this; } - if (v.type() != array_type) + + TestBuilder& Push(const CPubKey& pubkey) { - BOOST_ERROR(filename << " does not contain a json array"); - return Array(); + DoPush(std::vector<unsigned char>(pubkey.begin(), pubkey.end())); + return *this; } - return v.get_array(); + TestBuilder& PushRedeem() + { + DoPush(static_cast<std::vector<unsigned char> >(scriptPubKey)); + return *this; + } + + TestBuilder& EditPush(unsigned int pos, const std::string& hexin, const std::string& hexout) + { + assert(havePush); + std::vector<unsigned char> datain = ParseHex(hexin); + std::vector<unsigned char> dataout = ParseHex(hexout); + assert(pos + datain.size() <= push.size()); + BOOST_CHECK_MESSAGE(std::vector<unsigned char>(push.begin() + pos, push.begin() + pos + datain.size()) == datain, comment); + push.erase(push.begin() + pos, push.begin() + pos + datain.size()); + push.insert(push.begin() + pos, dataout.begin(), dataout.end()); + return *this; + } + + TestBuilder& DamagePush(unsigned int pos) + { + assert(havePush); + assert(pos < push.size()); + push[pos] ^= 1; + return *this; + } + + TestBuilder& Test(bool expect) + { + TestBuilder copy = *this; // Make a copy so we can rollback the push. + DoPush(); + DoTest(creditTx.vout[0].scriptPubKey, spendTx.vin[0].scriptSig, flags, expect, comment); + *this = copy; + return *this; + } + + Array GetJSON() + { + DoPush(); + Array array; + array.push_back(FormatScript(spendTx.vin[0].scriptSig)); + array.push_back(FormatScript(creditTx.vout[0].scriptPubKey)); + array.push_back(FormatScriptFlags(flags)); + array.push_back(comment); + return array; + } + + std::string GetComment() + { + return comment; + } + + const CScript& GetScriptPubKey() + { + return creditTx.vout[0].scriptPubKey; + } +}; } -BOOST_AUTO_TEST_SUITE(script_tests) +BOOST_AUTO_TEST_CASE(script_build) +{ + const KeyData keys; + + std::vector<TestBuilder> good; + std::vector<TestBuilder> bad; + + good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0) << OP_CHECKSIG, + "P2PK", 0 + ).PushSig(keys.key0)); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0) << OP_CHECKSIG, + "P2PK, bad sig", 0 + ).PushSig(keys.key0).DamagePush(10)); + + good.push_back(TestBuilder(CScript() << OP_DUP << OP_HASH160 << ToByteVector(keys.pubkey1C.GetID()) << OP_EQUALVERIFY << OP_CHECKSIG, + "P2PKH", 0 + ).PushSig(keys.key1).Push(keys.pubkey1C)); + bad.push_back(TestBuilder(CScript() << OP_DUP << OP_HASH160 << ToByteVector(keys.pubkey2C.GetID()) << OP_EQUALVERIFY << OP_CHECKSIG, + "P2PKH, bad pubkey", 0 + ).PushSig(keys.key2).Push(keys.pubkey2C).DamagePush(5)); + + good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1) << OP_CHECKSIG, + "P2PK anyonecanpay", 0 + ).PushSig(keys.key1, SIGHASH_ALL | SIGHASH_ANYONECANPAY)); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1) << OP_CHECKSIG, + "P2PK anyonecanpay marked with normal hashtype", 0 + ).PushSig(keys.key1, SIGHASH_ALL | SIGHASH_ANYONECANPAY).EditPush(70, "81", "01")); + + good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0C) << OP_CHECKSIG, + "P2SH(P2PK)", SCRIPT_VERIFY_P2SH, true + ).PushSig(keys.key0).PushRedeem()); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0C) << OP_CHECKSIG, + "P2SH(P2PK), bad redeemscript", SCRIPT_VERIFY_P2SH, true + ).PushSig(keys.key0).PushRedeem().DamagePush(10)); + + good.push_back(TestBuilder(CScript() << OP_DUP << OP_HASH160 << ToByteVector(keys.pubkey1.GetID()) << OP_EQUALVERIFY << OP_CHECKSIG, + "P2SH(P2PKH), bad sig but no VERIFY_P2SH", 0, true + ).PushSig(keys.key0).DamagePush(10).PushRedeem()); + bad.push_back(TestBuilder(CScript() << OP_DUP << OP_HASH160 << ToByteVector(keys.pubkey1.GetID()) << OP_EQUALVERIFY << OP_CHECKSIG, + "P2SH(P2PKH), bad sig", SCRIPT_VERIFY_P2SH, true + ).PushSig(keys.key0).DamagePush(10).PushRedeem()); + + good.push_back(TestBuilder(CScript() << OP_3 << ToByteVector(keys.pubkey0C) << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_3 << OP_CHECKMULTISIG, + "3-of-3", 0 + ).Num(0).PushSig(keys.key0).PushSig(keys.key1).PushSig(keys.key2)); + bad.push_back(TestBuilder(CScript() << OP_3 << ToByteVector(keys.pubkey0C) << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_3 << OP_CHECKMULTISIG, + "3-of-3, 2 sigs", 0 + ).Num(0).PushSig(keys.key0).PushSig(keys.key1).Num(0)); + + good.push_back(TestBuilder(CScript() << OP_2 << ToByteVector(keys.pubkey0C) << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_3 << OP_CHECKMULTISIG, + "P2SH(2-of-3)", SCRIPT_VERIFY_P2SH, true + ).Num(0).PushSig(keys.key1).PushSig(keys.key2).PushRedeem()); + bad.push_back(TestBuilder(CScript() << OP_2 << ToByteVector(keys.pubkey0C) << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_3 << OP_CHECKMULTISIG, + "P2SH(2-of-3), 1 sig", SCRIPT_VERIFY_P2SH, true + ).Num(0).PushSig(keys.key1).Num(0).PushRedeem()); + + good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG, + "P2PK with too much R padding but no DERSIG", 0 + ).PushSig(keys.key1, SIGHASH_ALL, 31, 32).EditPush(1, "43021F", "44022000")); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG, + "P2PK with too much R padding", SCRIPT_VERIFY_DERSIG + ).PushSig(keys.key1, SIGHASH_ALL, 31, 32).EditPush(1, "43021F", "44022000")); + good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG, + "P2PK with too much S padding but no DERSIG", 0 + ).PushSig(keys.key1, SIGHASH_ALL).EditPush(1, "44", "45").EditPush(37, "20", "2100")); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG, + "P2PK with too much S padding", SCRIPT_VERIFY_DERSIG + ).PushSig(keys.key1, SIGHASH_ALL).EditPush(1, "44", "45").EditPush(37, "20", "2100")); + good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG, + "P2PK with too little R padding but no DERSIG", 0 + ).PushSig(keys.key1, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220")); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG, + "P2PK with too little R padding", SCRIPT_VERIFY_DERSIG + ).PushSig(keys.key1, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220")); + good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey2C) << OP_CHECKSIG << OP_NOT, + "P2PK NOT with bad sig with too much R padding but no DERSIG", 0 + ).PushSig(keys.key2, SIGHASH_ALL, 31, 32).EditPush(1, "43021F", "44022000").DamagePush(10)); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey2C) << OP_CHECKSIG << OP_NOT, + "P2PK NOT with bad sig with too much R padding", SCRIPT_VERIFY_DERSIG + ).PushSig(keys.key2, SIGHASH_ALL, 31, 32).EditPush(1, "43021F", "44022000").DamagePush(10)); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey2C) << OP_CHECKSIG << OP_NOT, + "P2PK NOT with too much R padding but no DERSIG", 0 + ).PushSig(keys.key2, SIGHASH_ALL, 31, 32).EditPush(1, "43021F", "44022000")); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey2C) << OP_CHECKSIG << OP_NOT, + "P2PK NOT with too much R padding", SCRIPT_VERIFY_DERSIG + ).PushSig(keys.key2, SIGHASH_ALL, 31, 32).EditPush(1, "43021F", "44022000")); + + good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey2C) << OP_CHECKSIG, + "P2PK with high S but no LOW_S", 0 + ).PushSig(keys.key2, SIGHASH_ALL, 32, 33)); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey2C) << OP_CHECKSIG, + "P2PK with high S", SCRIPT_VERIFY_LOW_S + ).PushSig(keys.key2, SIGHASH_ALL, 32, 33)); + + good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKSIG, + "P2PK with hybrid pubkey but no STRICTENC", 0 + ).PushSig(keys.key0, SIGHASH_ALL)); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKSIG, + "P2PK with hybrid pubkey", SCRIPT_VERIFY_STRICTENC + ).PushSig(keys.key0, SIGHASH_ALL)); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKSIG << OP_NOT, + "P2PK NOT with hybrid pubkey but no STRICTENC", 0 + ).PushSig(keys.key0, SIGHASH_ALL)); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKSIG << OP_NOT, + "P2PK NOT with hybrid pubkey", SCRIPT_VERIFY_STRICTENC + ).PushSig(keys.key0, SIGHASH_ALL)); + good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKSIG << OP_NOT, + "P2PK NOT with invalid hybrid pubkey but no STRICTENC", 0 + ).PushSig(keys.key0, SIGHASH_ALL).DamagePush(10)); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKSIG << OP_NOT, + "P2PK NOT with invalid hybrid pubkey", SCRIPT_VERIFY_STRICTENC + ).PushSig(keys.key0, SIGHASH_ALL).DamagePush(10)); + good.push_back(TestBuilder(CScript() << OP_1 << ToByteVector(keys.pubkey0H) << ToByteVector(keys.pubkey1C) << OP_2 << OP_CHECKMULTISIG, + "1-of-2 with the second 1 hybrid pubkey and no STRICTENC", 0 + ).Num(0).PushSig(keys.key1, SIGHASH_ALL)); + good.push_back(TestBuilder(CScript() << OP_1 << ToByteVector(keys.pubkey0H) << ToByteVector(keys.pubkey1C) << OP_2 << OP_CHECKMULTISIG, + "1-of-2 with the second 1 hybrid pubkey", SCRIPT_VERIFY_STRICTENC + ).Num(0).PushSig(keys.key1, SIGHASH_ALL)); + bad.push_back(TestBuilder(CScript() << OP_1 << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey0H) << OP_2 << OP_CHECKMULTISIG, + "1-of-2 with the first 1 hybrid pubkey", SCRIPT_VERIFY_STRICTENC + ).Num(0).PushSig(keys.key1, SIGHASH_ALL)); + + good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1) << OP_CHECKSIG, + "P2PK with undefined hashtype but no STRICTENC", 0 + ).PushSig(keys.key1, 5)); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1) << OP_CHECKSIG, + "P2PK with undefined hashtype", SCRIPT_VERIFY_STRICTENC + ).PushSig(keys.key1, 5)); + good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1) << OP_CHECKSIG << OP_NOT, + "P2PK NOT with invalid sig and undefined hashtype but no STRICTENC", 0 + ).PushSig(keys.key1, 5).DamagePush(10)); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1) << OP_CHECKSIG << OP_NOT, + "P2PK NOT with invalid sig and undefined hashtype", SCRIPT_VERIFY_STRICTENC + ).PushSig(keys.key1, 5).DamagePush(10)); + + good.push_back(TestBuilder(CScript() << OP_3 << ToByteVector(keys.pubkey0C) << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_3 << OP_CHECKMULTISIG, + "3-of-3 with nonzero dummy but no NULLDUMMY", 0 + ).Num(1).PushSig(keys.key0).PushSig(keys.key1).PushSig(keys.key2)); + bad.push_back(TestBuilder(CScript() << OP_3 << ToByteVector(keys.pubkey0C) << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_3 << OP_CHECKMULTISIG, + "3-of-3 with nonzero dummy", SCRIPT_VERIFY_NULLDUMMY + ).Num(1).PushSig(keys.key0).PushSig(keys.key1).PushSig(keys.key2)); + good.push_back(TestBuilder(CScript() << OP_3 << ToByteVector(keys.pubkey0C) << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_3 << OP_CHECKMULTISIG << OP_NOT, + "3-of-3 NOT with invalid sig and nonzero dummy but no NULLDUMMY", 0 + ).Num(1).PushSig(keys.key0).PushSig(keys.key1).PushSig(keys.key2).DamagePush(10)); + bad.push_back(TestBuilder(CScript() << OP_3 << ToByteVector(keys.pubkey0C) << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_3 << OP_CHECKMULTISIG << OP_NOT, + "3-of-3 NOT with invalid sig with nonzero dummy", SCRIPT_VERIFY_NULLDUMMY + ).Num(1).PushSig(keys.key0).PushSig(keys.key1).PushSig(keys.key2).DamagePush(10)); + + good.push_back(TestBuilder(CScript() << OP_2 << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey1C) << OP_2 << OP_CHECKMULTISIG, + "2-of-2 with two identical keys and sigs pushed using OP_DUP but no SIGPUSHONLY", 0 + ).Num(0).PushSig(keys.key1).Add(CScript() << OP_DUP)); + bad.push_back(TestBuilder(CScript() << OP_2 << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey1C) << OP_2 << OP_CHECKMULTISIG, + "2-of-2 with two identical keys and sigs pushed using OP_DUP", SCRIPT_VERIFY_SIGPUSHONLY + ).Num(0).PushSig(keys.key1).Add(CScript() << OP_DUP)); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey2C) << OP_CHECKSIG, + "P2SH(P2PK) with non-push scriptSig but no SIGPUSHONLY", 0 + ).PushSig(keys.key2).PushRedeem()); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey2C) << OP_CHECKSIG, + "P2SH(P2PK) with non-push scriptSig", SCRIPT_VERIFY_SIGPUSHONLY + ).PushSig(keys.key2).PushRedeem()); + good.push_back(TestBuilder(CScript() << OP_2 << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey1C) << OP_2 << OP_CHECKMULTISIG, + "2-of-2 with two identical keys and sigs pushed", SCRIPT_VERIFY_SIGPUSHONLY + ).Num(0).PushSig(keys.key1).PushSig(keys.key1)); + + good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0) << OP_CHECKSIG, + "P2PK with unnecessary input but no CLEANSTACK", SCRIPT_VERIFY_P2SH + ).Num(11).PushSig(keys.key0)); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0) << OP_CHECKSIG, + "P2PK with unnecessary input", SCRIPT_VERIFY_CLEANSTACK | SCRIPT_VERIFY_P2SH + ).Num(11).PushSig(keys.key0)); + good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0) << OP_CHECKSIG, + "P2SH with unnecessary input but no CLEANSTACK", SCRIPT_VERIFY_P2SH, true + ).Num(11).PushSig(keys.key0).PushRedeem()); + bad.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0) << OP_CHECKSIG, + "P2SH with unnecessary input", SCRIPT_VERIFY_CLEANSTACK | SCRIPT_VERIFY_P2SH, true + ).Num(11).PushSig(keys.key0).PushRedeem()); + good.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0) << OP_CHECKSIG, + "P2SH with CLEANSTACK", SCRIPT_VERIFY_CLEANSTACK | SCRIPT_VERIFY_P2SH, true + ).PushSig(keys.key0).PushRedeem()); + + + std::set<std::string> tests_good; + std::set<std::string> tests_bad; + + { + Array json_good = read_json(std::string(json_tests::script_valid, json_tests::script_valid + sizeof(json_tests::script_valid))); + Array json_bad = read_json(std::string(json_tests::script_invalid, json_tests::script_invalid + sizeof(json_tests::script_invalid))); + + BOOST_FOREACH(Value& tv, json_good) { + tests_good.insert(write_string(Value(tv.get_array()), true)); + } + BOOST_FOREACH(Value& tv, json_bad) { + tests_bad.insert(write_string(Value(tv.get_array()), true)); + } + } + + std::string strGood; + std::string strBad; + + BOOST_FOREACH(TestBuilder& test, good) { + test.Test(true); + std::string str = write_string(Value(test.GetJSON()), true); +#ifndef UPDATE_JSON_TESTS + if (tests_good.count(str) == 0) { + BOOST_CHECK_MESSAGE(false, "Missing auto script_valid test: " + test.GetComment()); + } +#endif + strGood += str + ",\n"; + } + BOOST_FOREACH(TestBuilder& test, bad) { + test.Test(false); + std::string str = write_string(Value(test.GetJSON()), true); +#ifndef UPDATE_JSON_TESTS + if (tests_bad.count(str) == 0) { + BOOST_CHECK_MESSAGE(false, "Missing auto script_invalid test: " + test.GetComment()); + } +#endif + strBad += str + ",\n"; + } + +#ifdef UPDATE_JSON_TESTS + FILE* valid = fopen("script_valid.json.gen", "w"); + fputs(strGood.c_str(), valid); + fclose(valid); + FILE* invalid = fopen("script_invalid.json.gen", "w"); + fputs(strBad.c_str(), invalid); + fclose(invalid); +#endif +} BOOST_AUTO_TEST_CASE(script_valid) { // Read tests from test/data/script_valid.json // Format is an array of arrays - // Inner arrays are [ "scriptSig", "scriptPubKey" ] + // Inner arrays are [ "scriptSig", "scriptPubKey", "flags" ] // ... where scriptSig and scriptPubKey are stringified // scripts. - Array tests = read_json("script_valid.json"); + Array tests = read_json(std::string(json_tests::script_valid, json_tests::script_valid + sizeof(json_tests::script_valid))); BOOST_FOREACH(Value& tv, tests) { Array test = tv.get_array(); string strTest = write_string(tv, false); - if (test.size() < 2) // Allow size > 2; extra stuff ignored (useful for comments) + if (test.size() < 3) // Allow size > 3; extra stuff ignored (useful for comments) { - BOOST_ERROR("Bad test: " << strTest); + if (test.size() != 1) { + BOOST_ERROR("Bad test: " << strTest); + } continue; } string scriptSigString = test[0].get_str(); CScript scriptSig = ParseScript(scriptSigString); string scriptPubKeyString = test[1].get_str(); CScript scriptPubKey = ParseScript(scriptPubKeyString); + unsigned int scriptflags = ParseScriptFlags(test[2].get_str()); - CTransaction tx; - BOOST_CHECK_MESSAGE(VerifyScript(scriptSig, scriptPubKey, tx, 0, true, SIGHASH_NONE), strTest); + DoTest(scriptPubKey, scriptSig, scriptflags, true, strTest); } } BOOST_AUTO_TEST_CASE(script_invalid) { // Scripts that should evaluate as invalid - Array tests = read_json("script_invalid.json"); + Array tests = read_json(std::string(json_tests::script_invalid, json_tests::script_invalid + sizeof(json_tests::script_invalid))); BOOST_FOREACH(Value& tv, tests) { Array test = tv.get_array(); string strTest = write_string(tv, false); - if (test.size() < 2) // Allow size > 2; extra stuff ignored (useful for comments) + if (test.size() < 3) // Allow size > 3; extra stuff ignored (useful for comments) { - BOOST_ERROR("Bad test: " << strTest); + if (test.size() != 1) { + BOOST_ERROR("Bad test: " << strTest); + } continue; } string scriptSigString = test[0].get_str(); CScript scriptSig = ParseScript(scriptSigString); string scriptPubKeyString = test[1].get_str(); CScript scriptPubKey = ParseScript(scriptPubKeyString); + unsigned int scriptflags = ParseScriptFlags(test[2].get_str()); - CTransaction tx; - BOOST_CHECK_MESSAGE(!VerifyScript(scriptSig, scriptPubKey, tx, 0, true, SIGHASH_NONE), strTest); + DoTest(scriptPubKey, scriptSig, scriptflags, false, strTest); } } @@ -180,20 +614,25 @@ BOOST_AUTO_TEST_CASE(script_PushData) static const unsigned char pushdata2[] = { OP_PUSHDATA2, 1, 0, 0x5a }; static const unsigned char pushdata4[] = { OP_PUSHDATA4, 1, 0, 0, 0, 0x5a }; + ScriptError err; vector<vector<unsigned char> > directStack; - BOOST_CHECK(EvalScript(directStack, CScript(&direct[0], &direct[sizeof(direct)]), CTransaction(), 0, 0)); + BOOST_CHECK(EvalScript(directStack, CScript(&direct[0], &direct[sizeof(direct)]), SCRIPT_VERIFY_P2SH, BaseSignatureChecker(), &err)); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err)); vector<vector<unsigned char> > pushdata1Stack; - BOOST_CHECK(EvalScript(pushdata1Stack, CScript(&pushdata1[0], &pushdata1[sizeof(pushdata1)]), CTransaction(), 0, 0)); + BOOST_CHECK(EvalScript(pushdata1Stack, CScript(&pushdata1[0], &pushdata1[sizeof(pushdata1)]), SCRIPT_VERIFY_P2SH, BaseSignatureChecker(), &err)); BOOST_CHECK(pushdata1Stack == directStack); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err)); vector<vector<unsigned char> > pushdata2Stack; - BOOST_CHECK(EvalScript(pushdata2Stack, CScript(&pushdata2[0], &pushdata2[sizeof(pushdata2)]), CTransaction(), 0, 0)); + BOOST_CHECK(EvalScript(pushdata2Stack, CScript(&pushdata2[0], &pushdata2[sizeof(pushdata2)]), SCRIPT_VERIFY_P2SH, BaseSignatureChecker(), &err)); BOOST_CHECK(pushdata2Stack == directStack); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err)); vector<vector<unsigned char> > pushdata4Stack; - BOOST_CHECK(EvalScript(pushdata4Stack, CScript(&pushdata4[0], &pushdata4[sizeof(pushdata4)]), CTransaction(), 0, 0)); + BOOST_CHECK(EvalScript(pushdata4Stack, CScript(&pushdata4[0], &pushdata4[sizeof(pushdata4)]), SCRIPT_VERIFY_P2SH, BaseSignatureChecker(), &err)); BOOST_CHECK(pushdata4Stack == directStack); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err)); } CScript @@ -206,12 +645,12 @@ sign_multisig(CScript scriptPubKey, std::vector<CKey> keys, CTransaction transac // 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 + // fixing the bug would mean splitting the block chain (old // clients would not accept new CHECKMULTISIG transactions, // and vice-versa) // result << OP_0; - BOOST_FOREACH(CKey key, keys) + BOOST_FOREACH(const CKey &key, keys) { vector<unsigned char> vchSig; BOOST_CHECK(key.Sign(hash, vchSig)); @@ -221,7 +660,7 @@ sign_multisig(CScript scriptPubKey, std::vector<CKey> keys, CTransaction transac return result; } CScript -sign_multisig(CScript scriptPubKey, CKey key, CTransaction transaction) +sign_multisig(CScript scriptPubKey, const CKey &key, CTransaction transaction) { std::vector<CKey> keys; keys.push_back(key); @@ -230,39 +669,37 @@ sign_multisig(CScript scriptPubKey, CKey key, CTransaction transaction) BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG12) { + ScriptError err; CKey key1, key2, key3; key1.MakeNewKey(true); key2.MakeNewKey(false); key3.MakeNewKey(true); CScript scriptPubKey12; - scriptPubKey12 << OP_1 << key1.GetPubKey() << key2.GetPubKey() << OP_2 << OP_CHECKMULTISIG; + scriptPubKey12 << OP_1 << ToByteVector(key1.GetPubKey()) << ToByteVector(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; + CMutableTransaction txFrom12 = BuildCreditingTransaction(scriptPubKey12); + CMutableTransaction txTo12 = BuildSpendingTransaction(CScript(), txFrom12); CScript goodsig1 = sign_multisig(scriptPubKey12, key1, txTo12); - BOOST_CHECK(VerifyScript(goodsig1, scriptPubKey12, txTo12, 0, true, 0)); + BOOST_CHECK(VerifyScript(goodsig1, scriptPubKey12, flags, SignatureChecker(txTo12, 0), &err)); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err)); txTo12.vout[0].nValue = 2; - BOOST_CHECK(!VerifyScript(goodsig1, scriptPubKey12, txTo12, 0, true, 0)); + BOOST_CHECK(!VerifyScript(goodsig1, scriptPubKey12, flags, SignatureChecker(txTo12, 0), &err)); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_EVAL_FALSE, ScriptErrorString(err)); CScript goodsig2 = sign_multisig(scriptPubKey12, key2, txTo12); - BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey12, txTo12, 0, true, 0)); + BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey12, flags, SignatureChecker(txTo12, 0), &err)); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err)); CScript badsig1 = sign_multisig(scriptPubKey12, key3, txTo12); - BOOST_CHECK(!VerifyScript(badsig1, scriptPubKey12, txTo12, 0, true, 0)); + BOOST_CHECK(!VerifyScript(badsig1, scriptPubKey12, flags, SignatureChecker(txTo12, 0), &err)); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_EVAL_FALSE, ScriptErrorString(err)); } BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG23) { + ScriptError err; CKey key1, key2, key3, key4; key1.MakeNewKey(true); key2.MakeNewKey(false); @@ -270,62 +707,63 @@ BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG23) key4.MakeNewKey(false); 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; + scriptPubKey23 << OP_2 << ToByteVector(key1.GetPubKey()) << ToByteVector(key2.GetPubKey()) << ToByteVector(key3.GetPubKey()) << OP_3 << OP_CHECKMULTISIG; - 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; + CMutableTransaction txFrom23 = BuildCreditingTransaction(scriptPubKey23); + CMutableTransaction txTo23 = BuildSpendingTransaction(CScript(), txFrom23); 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, true, 0)); + BOOST_CHECK(VerifyScript(goodsig1, scriptPubKey23, flags, SignatureChecker(txTo23, 0), &err)); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err)); keys.clear(); keys.push_back(key1); keys.push_back(key3); CScript goodsig2 = sign_multisig(scriptPubKey23, keys, txTo23); - BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey23, txTo23, 0, true, 0)); + BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey23, flags, SignatureChecker(txTo23, 0), &err)); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err)); keys.clear(); keys.push_back(key2); keys.push_back(key3); CScript goodsig3 = sign_multisig(scriptPubKey23, keys, txTo23); - BOOST_CHECK(VerifyScript(goodsig3, scriptPubKey23, txTo23, 0, true, 0)); + BOOST_CHECK(VerifyScript(goodsig3, scriptPubKey23, flags, SignatureChecker(txTo23, 0), &err)); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err)); 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, true, 0)); + BOOST_CHECK(!VerifyScript(badsig1, scriptPubKey23, flags, SignatureChecker(txTo23, 0), &err)); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_EVAL_FALSE, ScriptErrorString(err)); 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, true, 0)); + BOOST_CHECK(!VerifyScript(badsig2, scriptPubKey23, flags, SignatureChecker(txTo23, 0), &err)); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_EVAL_FALSE, ScriptErrorString(err)); 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, true, 0)); + BOOST_CHECK(!VerifyScript(badsig3, scriptPubKey23, flags, SignatureChecker(txTo23, 0), &err)); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_EVAL_FALSE, ScriptErrorString(err)); 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, true, 0)); + BOOST_CHECK(!VerifyScript(badsig4, scriptPubKey23, flags, SignatureChecker(txTo23, 0), &err)); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_EVAL_FALSE, ScriptErrorString(err)); 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, true, 0)); + BOOST_CHECK(!VerifyScript(badsig5, scriptPubKey23, flags, SignatureChecker(txTo23, 0), &err)); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_EVAL_FALSE, ScriptErrorString(err)); keys.clear(); // Must have signatures CScript badsig6 = sign_multisig(scriptPubKey23, keys, txTo23); - BOOST_CHECK(!VerifyScript(badsig6, scriptPubKey23, txTo23, 0, true, 0)); + BOOST_CHECK(!VerifyScript(badsig6, scriptPubKey23, flags, SignatureChecker(txTo23, 0), &err)); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_INVALID_STACK_OPERATION, ScriptErrorString(err)); } BOOST_AUTO_TEST_CASE(script_combineSigs) @@ -333,25 +771,20 @@ BOOST_AUTO_TEST_CASE(script_combineSigs) // Test the CombineSignatures function CBasicKeyStore keystore; vector<CKey> keys; + vector<CPubKey> pubkeys; for (int i = 0; i < 3; i++) { CKey key; key.MakeNewKey(i%2 == 1); keys.push_back(key); + pubkeys.push_back(key.GetPubKey()); keystore.AddKey(key); } - CTransaction txFrom; - txFrom.vout.resize(1); - txFrom.vout[0].scriptPubKey.SetDestination(keys[0].GetPubKey().GetID()); + CMutableTransaction txFrom = BuildCreditingTransaction(GetScriptForDestination(keys[0].GetPubKey().GetID())); + CMutableTransaction txTo = BuildSpendingTransaction(CScript(), txFrom); CScript& scriptPubKey = txFrom.vout[0].scriptPubKey; - CTransaction txTo; - txTo.vin.resize(1); - txTo.vout.resize(1); - txTo.vin[0].prevout.n = 0; - txTo.vin[0].prevout.hash = txFrom.GetHash(); CScript& scriptSig = txTo.vin[0].scriptSig; - txTo.vout[0].nValue = 1; CScript empty; CScript combined = CombineSignatures(scriptPubKey, txTo, 0, empty, empty); @@ -370,9 +803,9 @@ BOOST_AUTO_TEST_CASE(script_combineSigs) BOOST_CHECK(combined == scriptSigCopy || combined == scriptSig); // P2SH, single-signature case: - CScript pkSingle; pkSingle << keys[0].GetPubKey() << OP_CHECKSIG; + CScript pkSingle; pkSingle << ToByteVector(keys[0].GetPubKey()) << OP_CHECKSIG; keystore.AddCScript(pkSingle); - scriptPubKey.SetDestination(pkSingle.GetID()); + scriptPubKey = GetScriptForDestination(CScriptID(pkSingle)); SignSignature(keystore, txFrom, txTo, 0); combined = CombineSignatures(scriptPubKey, txTo, 0, scriptSig, empty); BOOST_CHECK(combined == scriptSig); @@ -390,7 +823,7 @@ BOOST_AUTO_TEST_CASE(script_combineSigs) BOOST_CHECK(combined == scriptSig); // Hardest case: Multisig 2-of-3 - scriptPubKey.SetMultisig(2, keys); + scriptPubKey = GetScriptForMultisig(2, pubkeys); keystore.AddCScript(scriptPubKey); SignSignature(keystore, txFrom, txTo, 0); combined = CombineSignatures(scriptPubKey, txTo, 0, scriptSig, empty); @@ -442,4 +875,36 @@ BOOST_AUTO_TEST_CASE(script_combineSigs) BOOST_CHECK(combined == partial3c); } +BOOST_AUTO_TEST_CASE(script_standard_push) +{ + ScriptError err; + for (int i=0; i<67000; i++) { + CScript script; + script << i; + BOOST_CHECK_MESSAGE(script.IsPushOnly(), "Number " << i << " is not pure push."); + BOOST_CHECK_MESSAGE(VerifyScript(script, CScript() << OP_1, SCRIPT_VERIFY_MINIMALDATA, BaseSignatureChecker(), &err), "Number " << i << " push is not minimal data."); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err)); + } + + for (unsigned int i=0; i<=MAX_SCRIPT_ELEMENT_SIZE; i++) { + std::vector<unsigned char> data(i, '\111'); + CScript script; + script << data; + BOOST_CHECK_MESSAGE(script.IsPushOnly(), "Length " << i << " is not pure push."); + BOOST_CHECK_MESSAGE(VerifyScript(script, CScript() << OP_1, SCRIPT_VERIFY_MINIMALDATA, BaseSignatureChecker(), &err), "Length " << i << " push is not minimal data."); + BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err)); + } +} + +BOOST_AUTO_TEST_CASE(script_IsPushOnly_on_invalid_scripts) +{ + // IsPushOnly returns false when given a script containing only pushes that + // are invalid due to truncation. IsPushOnly() is consensus critical + // because P2SH evaluation uses it, although this specific behavior should + // not be consensus critical as the P2SH evaluation would fail first due to + // the invalid push. Still, it doesn't hurt to test it explicitly. + static const unsigned char direct[] = { 1 }; + BOOST_CHECK(!CScript(direct, direct+sizeof(direct)).IsPushOnly()); +} + BOOST_AUTO_TEST_SUITE_END() |