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script_tests.cpp
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script_tests.cpp
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// Copyright (c) 2011-2015 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 <test/data/script_tests.json.h>
#include <core_io.h>
#include <key.h>
#include <keystore.h>
#include <script/script.h>
#include <script/script_error.h>
#include <script/sign.h>
#include <util.h>
#include <utilstrencodings.h>
#include <test/test_dash.h>
#if defined(HAVE_CONSENSUS_LIB)
#include <script/dashconsensus.h>
#endif
#include <fstream>
#include <stdint.h>
#include <string>
#include <vector>
#include <boost/test/unit_test.hpp>
#include <univalue.h>
// Uncomment if you want to output updated JSON tests.
// #define UPDATE_JSON_TESTS
static const unsigned int gFlags = SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_STRICTENC;
unsigned int ParseScriptFlags(std::string strFlags);
std::string FormatScriptFlags(unsigned int flags);
UniValue
read_json(const std::string& jsondata)
{
UniValue v;
if (!v.read(jsondata) || !v.isArray())
{
BOOST_ERROR("Parse error.");
return UniValue(UniValue::VARR);
}
return v.get_array();
}
struct ScriptErrorDesc
{
ScriptError_t err;
const char *name;
};
static ScriptErrorDesc script_errors[]={
{SCRIPT_ERR_OK, "OK"},
{SCRIPT_ERR_UNKNOWN_ERROR, "UNKNOWN_ERROR"},
{SCRIPT_ERR_EVAL_FALSE, "EVAL_FALSE"},
{SCRIPT_ERR_OP_RETURN, "OP_RETURN"},
{SCRIPT_ERR_SCRIPT_SIZE, "SCRIPT_SIZE"},
{SCRIPT_ERR_PUSH_SIZE, "PUSH_SIZE"},
{SCRIPT_ERR_OP_COUNT, "OP_COUNT"},
{SCRIPT_ERR_STACK_SIZE, "STACK_SIZE"},
{SCRIPT_ERR_SIG_COUNT, "SIG_COUNT"},
{SCRIPT_ERR_PUBKEY_COUNT, "PUBKEY_COUNT"},
{SCRIPT_ERR_VERIFY, "VERIFY"},
{SCRIPT_ERR_EQUALVERIFY, "EQUALVERIFY"},
{SCRIPT_ERR_CHECKMULTISIGVERIFY, "CHECKMULTISIGVERIFY"},
{SCRIPT_ERR_CHECKSIGVERIFY, "CHECKSIGVERIFY"},
{SCRIPT_ERR_CHECKDATASIGVERIFY, "CHECKDATASIGVERIFY"},
{SCRIPT_ERR_NUMEQUALVERIFY, "NUMEQUALVERIFY"},
{SCRIPT_ERR_BAD_OPCODE, "BAD_OPCODE"},
{SCRIPT_ERR_DISABLED_OPCODE, "DISABLED_OPCODE"},
{SCRIPT_ERR_INVALID_STACK_OPERATION, "INVALID_STACK_OPERATION"},
{SCRIPT_ERR_INVALID_ALTSTACK_OPERATION, "INVALID_ALTSTACK_OPERATION"},
{SCRIPT_ERR_UNBALANCED_CONDITIONAL, "UNBALANCED_CONDITIONAL"},
{SCRIPT_ERR_NEGATIVE_LOCKTIME, "NEGATIVE_LOCKTIME"},
{SCRIPT_ERR_UNSATISFIED_LOCKTIME, "UNSATISFIED_LOCKTIME"},
{SCRIPT_ERR_SIG_HASHTYPE, "SIG_HASHTYPE"},
{SCRIPT_ERR_SIG_DER, "SIG_DER"},
{SCRIPT_ERR_MINIMALDATA, "MINIMALDATA"},
{SCRIPT_ERR_SIG_PUSHONLY, "SIG_PUSHONLY"},
{SCRIPT_ERR_SIG_HIGH_S, "SIG_HIGH_S"},
{SCRIPT_ERR_SIG_NULLDUMMY, "SIG_NULLDUMMY"},
{SCRIPT_ERR_PUBKEYTYPE, "PUBKEYTYPE"},
{SCRIPT_ERR_CLEANSTACK, "CLEANSTACK"},
{SCRIPT_ERR_SIG_NULLFAIL, "NULLFAIL"},
{SCRIPT_ERR_DISCOURAGE_UPGRADABLE_NOPS, "DISCOURAGE_UPGRADABLE_NOPS"},
{SCRIPT_ERR_INVALID_SPLIT_RANGE, "SPLIT_RANGE"},
{SCRIPT_ERR_INVALID_OPERAND_SIZE, "OPERAND_SIZE"},
{SCRIPT_ERR_INVALID_NUMBER_RANGE, "INVALID_NUMBER_RANGE"},
{SCRIPT_ERR_DIV_BY_ZERO, "DIV_BY_ZERO"},
{SCRIPT_ERR_MOD_BY_ZERO, "MOD_BY_ZERO"},
};
const char *FormatScriptError(ScriptError_t err)
{
for (unsigned int i=0; i<ARRAYLEN(script_errors); ++i)
if (script_errors[i].err == err)
return script_errors[i].name;
BOOST_ERROR("Unknown scripterror enumeration value, update script_errors in script_tests.cpp.");
return "";
}
ScriptError_t ParseScriptError(const std::string& name)
{
for (unsigned int i=0; i<ARRAYLEN(script_errors); ++i)
if (script_errors[i].name == name)
return script_errors[i].err;
BOOST_ERROR("Unknown scripterror \"" << name << "\" in test description");
return SCRIPT_ERR_UNKNOWN_ERROR;
}
BOOST_FIXTURE_TEST_SUITE(script_tests, BasicTestingSetup)
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 = CTxIn::SEQUENCE_FINAL;
txCredit.vout[0].scriptPubKey = scriptPubKey;
txCredit.vout[0].nValue = 0;
return txCredit;
}
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 = CTxIn::SEQUENCE_FINAL;
txSpend.vout[0].scriptPubKey = CScript();
txSpend.vout[0].nValue = 0;
return txSpend;
}
void DoTest(const CScript& scriptPubKey, const CScript& scriptSig, int flags, const std::string& message, int scriptError)
{
bool expect = (scriptError == SCRIPT_ERR_OK);
bool fEnableDIP0020Opcodes = (SCRIPT_ENABLE_DIP0020_OPCODES & flags) != 0;
ScriptError err;
CMutableTransaction txCredit = BuildCreditingTransaction(scriptPubKey);
CMutableTransaction tx = BuildSpendingTransaction(scriptSig, txCredit);
CMutableTransaction tx2 = tx;
BOOST_CHECK_MESSAGE(VerifyScript(scriptSig, scriptPubKey, flags, MutableTransactionSignatureChecker(&tx, 0, txCredit.vout[0].nValue), &err) == expect, message);
BOOST_CHECK_MESSAGE(err == scriptError, std::string(FormatScriptError(err)) + " where " + std::string(FormatScriptError((ScriptError_t)scriptError)) + " expected: " + message);
// Verify that removing flags from a passing test or adding flags to a failing test does not change the result.
for (int i = 0; i < 16; ++i) {
int extra_flags = InsecureRandBits(16);
int combined_flags = expect ? (flags & ~extra_flags) : (flags | extra_flags);
// Weed out some invalid flag combinations.
if (combined_flags & SCRIPT_VERIFY_CLEANSTACK && ~combined_flags & SCRIPT_VERIFY_P2SH) continue;
// Make sure DIP0020 opcodes flag stays unchanged.
combined_flags = fEnableDIP0020Opcodes ? (combined_flags | SCRIPT_ENABLE_DIP0020_OPCODES) : (combined_flags & ~SCRIPT_ENABLE_DIP0020_OPCODES);
BOOST_CHECK_MESSAGE(VerifyScript(scriptSig, scriptPubKey, combined_flags, MutableTransactionSignatureChecker(&tx, 0, txCredit.vout[0].nValue), &err) == expect, message + strprintf(" (with flags %x)", combined_flags));
}
#if defined(HAVE_CONSENSUS_LIB)
CDataStream stream(SER_NETWORK, PROTOCOL_VERSION);
stream << tx2;
int libconsensus_flags = flags & dashconsensus_SCRIPT_FLAGS_VERIFY_ALL;
if (libconsensus_flags == flags) {
BOOST_CHECK_MESSAGE(dashconsensus_verify_script(scriptPubKey.data(), scriptPubKey.size(), (const unsigned char*)&stream[0], stream.size(), 0, libconsensus_flags, nullptr) == 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]]);
// 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());
}
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()
{
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();
}
};
class TestBuilder
{
private:
CScript scriptPubKey;
CTransactionRef creditTx;
CMutableTransaction spendTx;
bool havePush;
std::vector<unsigned char> push;
std::string comment;
int flags;
int scriptError;
void DoPush()
{
if (havePush) {
spendTx.vin[0].scriptSig << push;
havePush = false;
}
}
void DoPush(const std::vector<unsigned char>& data)
{
DoPush();
push = data;
havePush = true;
}
public:
TestBuilder(const CScript& script_, const std::string& comment_, int flags_, bool P2SH = false) : scriptPubKey(script_), havePush(false), comment(comment_), flags(flags_), scriptError(SCRIPT_ERR_OK)
{
if (P2SH) {
creditTx = MakeTransactionRef(BuildCreditingTransaction(CScript() << OP_HASH160 << ToByteVector(CScriptID(script_)) << OP_EQUAL));
} else {
creditTx = MakeTransactionRef(BuildCreditingTransaction(script_));
}
spendTx = BuildSpendingTransaction(CScript(), *creditTx);
}
TestBuilder& ScriptError(ScriptError_t err)
{
scriptError = err;
return *this;
}
TestBuilder& Add(const CScript& _script)
{
DoPush();
spendTx.vin[0].scriptSig += _script;
return *this;
}
TestBuilder& Num(int num)
{
DoPush();
spendTx.vin[0].scriptSig << num;
return *this;
}
TestBuilder& Push(const std::string& hex)
{
DoPush(ParseHex(hex));
return *this;
}
TestBuilder& Push(const uint256& hash)
{
DoPush(ToByteVector(hash));
return *this;
}
TestBuilder& Push(const CScript& script)
{
DoPush(std::vector<unsigned char>(script.begin(), script.end()));
return *this;
}
std::vector<uint8_t> DoSignECDSA(const CKey& key, const uint256& hash, unsigned int lenR = 32, unsigned int lenS = 32) const
{
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());
return vchSig;
}
TestBuilder& PushSig(const CKey& key, int nHashType = SIGHASH_ALL, unsigned int lenR = 32, unsigned int lenS = 32)
{
uint256 hash = SignatureHash(scriptPubKey, spendTx, 0, nHashType, 0, SigVersion::BASE);
std::vector<uint8_t> vchSig = DoSignECDSA(key, hash, lenR, lenS);
vchSig.push_back(static_cast<unsigned char>(nHashType));
DoPush(vchSig);
return *this;
}
TestBuilder& PushDataSig(const CKey& key, const std::vector<uint8_t>& data, unsigned int lenR = 32, unsigned int lenS = 32)
{
std::vector<uint8_t> vchHash(32);
CSHA256().Write(data.data(), data.size()).Finalize(vchHash.data());
std::vector<uint8_t> vchSig = DoSignECDSA(key, uint256(vchHash), lenR, lenS);
vchSig.push_back(static_cast<unsigned char>(SIGHASH_ALL));
DoPush(vchSig);
return *this;
}
TestBuilder& Push(const CPubKey& pubkey)
{
DoPush(std::vector<unsigned char>(pubkey.begin(), pubkey.end()));
return *this;
}
TestBuilder& PushRedeem()
{
DoPush(std::vector<unsigned char>(scriptPubKey.begin(), scriptPubKey.end()));
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()
{
TestBuilder copy = *this; // Make a copy so we can rollback the push.
DoPush();
DoTest(creditTx->vout[0].scriptPubKey, spendTx.vin[0].scriptSig, flags, comment, scriptError);
*this = copy;
return *this;
}
UniValue GetJSON()
{
DoPush();
UniValue array(UniValue::VARR);
array.push_back(FormatScript(spendTx.vin[0].scriptSig));
array.push_back(FormatScript(creditTx->vout[0].scriptPubKey));
array.push_back(FormatScriptFlags(flags));
array.push_back(FormatScriptError((ScriptError_t)scriptError));
array.push_back(comment);
return array;
}
std::string GetComment() const
{
return comment;
}
};
std::string JSONPrettyPrint(const UniValue& univalue)
{
std::string ret = univalue.write(4);
// Workaround for libunivalue pretty printer, which puts a space between commas and newlines
size_t pos = 0;
while ((pos = ret.find(" \n", pos)) != std::string::npos) {
ret.replace(pos, 2, "\n");
pos++;
}
return ret;
}
} // namespace
BOOST_AUTO_TEST_CASE(script_build)
{
const KeyData keys;
std::vector<TestBuilder> tests;
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0) << OP_CHECKSIG,
"P2PK", 0
).PushSig(keys.key0));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0) << OP_CHECKSIG,
"P2PK, bad sig", 0
).PushSig(keys.key0).DamagePush(10).ScriptError(SCRIPT_ERR_EVAL_FALSE));
tests.push_back(TestBuilder(CScript() << OP_DUP << OP_HASH160 << ToByteVector(keys.pubkey1C.GetID()) << OP_EQUALVERIFY << OP_CHECKSIG,
"P2PKH", 0
).PushSig(keys.key1).Push(keys.pubkey1C));
tests.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).ScriptError(SCRIPT_ERR_EQUALVERIFY));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1) << OP_CHECKSIG,
"P2PK anyonecanpay", 0
).PushSig(keys.key1, SIGHASH_ALL | SIGHASH_ANYONECANPAY));
tests.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").ScriptError(SCRIPT_ERR_EVAL_FALSE));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0C) << OP_CHECKSIG,
"P2SH(P2PK)", SCRIPT_VERIFY_P2SH, true
).PushSig(keys.key0).PushRedeem());
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0C) << OP_CHECKSIG,
"P2SH(P2PK), bad redeemscript", SCRIPT_VERIFY_P2SH, true
).PushSig(keys.key0).PushRedeem().DamagePush(10).ScriptError(SCRIPT_ERR_EVAL_FALSE));
tests.push_back(TestBuilder(CScript() << OP_DUP << OP_HASH160 << ToByteVector(keys.pubkey0.GetID()) << OP_EQUALVERIFY << OP_CHECKSIG,
"P2SH(P2PKH)", SCRIPT_VERIFY_P2SH, true
).PushSig(keys.key0).Push(keys.pubkey0).PushRedeem());
tests.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());
tests.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().ScriptError(SCRIPT_ERR_EQUALVERIFY));
tests.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));
tests.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).ScriptError(SCRIPT_ERR_EVAL_FALSE));
tests.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());
tests.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().ScriptError(SCRIPT_ERR_EVAL_FALSE));
tests.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"));
tests.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").ScriptError(SCRIPT_ERR_SIG_DER));
tests.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"));
tests.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").ScriptError(SCRIPT_ERR_SIG_DER));
tests.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"));
tests.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").ScriptError(SCRIPT_ERR_SIG_DER));
tests.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));
tests.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).ScriptError(SCRIPT_ERR_SIG_DER));
tests.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").ScriptError(SCRIPT_ERR_EVAL_FALSE));
tests.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").ScriptError(SCRIPT_ERR_SIG_DER));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG,
"BIP66 example 1, without DERSIG", 0
).PushSig(keys.key1, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220"));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG,
"BIP66 example 1, with DERSIG", SCRIPT_VERIFY_DERSIG
).PushSig(keys.key1, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220").ScriptError(SCRIPT_ERR_SIG_DER));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG << OP_NOT,
"BIP66 example 2, without DERSIG", 0
).PushSig(keys.key1, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220").ScriptError(SCRIPT_ERR_EVAL_FALSE));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG << OP_NOT,
"BIP66 example 2, with DERSIG", SCRIPT_VERIFY_DERSIG
).PushSig(keys.key1, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220").ScriptError(SCRIPT_ERR_SIG_DER));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG,
"BIP66 example 3, without DERSIG", 0
).Num(0).ScriptError(SCRIPT_ERR_EVAL_FALSE));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG,
"BIP66 example 3, with DERSIG", SCRIPT_VERIFY_DERSIG
).Num(0).ScriptError(SCRIPT_ERR_EVAL_FALSE));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG << OP_NOT,
"BIP66 example 4, without DERSIG", 0
).Num(0));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG << OP_NOT,
"BIP66 example 4, with DERSIG", SCRIPT_VERIFY_DERSIG
).Num(0));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG,
"BIP66 example 5, without DERSIG", 0
).Num(1).ScriptError(SCRIPT_ERR_EVAL_FALSE));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG,
"BIP66 example 5, with DERSIG", SCRIPT_VERIFY_DERSIG
).Num(1).ScriptError(SCRIPT_ERR_SIG_DER));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG << OP_NOT,
"BIP66 example 6, without DERSIG", 0
).Num(1));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKSIG << OP_NOT,
"BIP66 example 6, with DERSIG", SCRIPT_VERIFY_DERSIG
).Num(1).ScriptError(SCRIPT_ERR_SIG_DER));
tests.push_back(TestBuilder(CScript() << OP_2 << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_2 << OP_CHECKMULTISIG,
"BIP66 example 7, without DERSIG", 0
).Num(0).PushSig(keys.key1, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220").PushSig(keys.key2));
tests.push_back(TestBuilder(CScript() << OP_2 << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_2 << OP_CHECKMULTISIG,
"BIP66 example 7, with DERSIG", SCRIPT_VERIFY_DERSIG
).Num(0).PushSig(keys.key1, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220").PushSig(keys.key2).ScriptError(SCRIPT_ERR_SIG_DER));
tests.push_back(TestBuilder(CScript() << OP_2 << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_2 << OP_CHECKMULTISIG << OP_NOT,
"BIP66 example 8, without DERSIG", 0
).Num(0).PushSig(keys.key1, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220").PushSig(keys.key2).ScriptError(SCRIPT_ERR_EVAL_FALSE));
tests.push_back(TestBuilder(CScript() << OP_2 << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_2 << OP_CHECKMULTISIG << OP_NOT,
"BIP66 example 8, with DERSIG", SCRIPT_VERIFY_DERSIG
).Num(0).PushSig(keys.key1, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220").PushSig(keys.key2).ScriptError(SCRIPT_ERR_SIG_DER));
tests.push_back(TestBuilder(CScript() << OP_2 << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_2 << OP_CHECKMULTISIG,
"BIP66 example 9, without DERSIG", 0
).Num(0).Num(0).PushSig(keys.key2, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220").ScriptError(SCRIPT_ERR_EVAL_FALSE));
tests.push_back(TestBuilder(CScript() << OP_2 << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_2 << OP_CHECKMULTISIG,
"BIP66 example 9, with DERSIG", SCRIPT_VERIFY_DERSIG
).Num(0).Num(0).PushSig(keys.key2, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220").ScriptError(SCRIPT_ERR_SIG_DER));
tests.push_back(TestBuilder(CScript() << OP_2 << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_2 << OP_CHECKMULTISIG << OP_NOT,
"BIP66 example 10, without DERSIG", 0
).Num(0).Num(0).PushSig(keys.key2, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220"));
tests.push_back(TestBuilder(CScript() << OP_2 << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_2 << OP_CHECKMULTISIG << OP_NOT,
"BIP66 example 10, with DERSIG", SCRIPT_VERIFY_DERSIG
).Num(0).Num(0).PushSig(keys.key2, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220").ScriptError(SCRIPT_ERR_SIG_DER));
tests.push_back(TestBuilder(CScript() << OP_2 << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_2 << OP_CHECKMULTISIG,
"BIP66 example 11, without DERSIG", 0
).Num(0).PushSig(keys.key1, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220").Num(0).ScriptError(SCRIPT_ERR_EVAL_FALSE));
tests.push_back(TestBuilder(CScript() << OP_2 << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_2 << OP_CHECKMULTISIG,
"BIP66 example 11, with DERSIG", SCRIPT_VERIFY_DERSIG
).Num(0).PushSig(keys.key1, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220").Num(0).ScriptError(SCRIPT_ERR_EVAL_FALSE));
tests.push_back(TestBuilder(CScript() << OP_2 << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_2 << OP_CHECKMULTISIG << OP_NOT,
"BIP66 example 12, without DERSIG", 0
).Num(0).PushSig(keys.key1, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220").Num(0));
tests.push_back(TestBuilder(CScript() << OP_2 << ToByteVector(keys.pubkey1C) << ToByteVector(keys.pubkey2C) << OP_2 << OP_CHECKMULTISIG << OP_NOT,
"BIP66 example 12, with DERSIG", SCRIPT_VERIFY_DERSIG
).Num(0).PushSig(keys.key1, SIGHASH_ALL, 33, 32).EditPush(1, "45022100", "440220").Num(0));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey2C) << OP_CHECKSIG,
"P2PK with multi-byte hashtype, without DERSIG", 0
).PushSig(keys.key2, SIGHASH_ALL).EditPush(70, "01", "0101"));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey2C) << OP_CHECKSIG,
"P2PK with multi-byte hashtype, with DERSIG", SCRIPT_VERIFY_DERSIG
).PushSig(keys.key2, SIGHASH_ALL).EditPush(70, "01", "0101").ScriptError(SCRIPT_ERR_SIG_DER));
tests.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));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey2C) << OP_CHECKSIG,
"P2PK with high S", SCRIPT_VERIFY_LOW_S
).PushSig(keys.key2, SIGHASH_ALL, 32, 33).ScriptError(SCRIPT_ERR_SIG_HIGH_S));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKSIG,
"P2PK with hybrid pubkey but no STRICTENC", 0
).PushSig(keys.key0, SIGHASH_ALL));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKSIG,
"P2PK with hybrid pubkey", SCRIPT_VERIFY_STRICTENC
).PushSig(keys.key0, SIGHASH_ALL).ScriptError(SCRIPT_ERR_PUBKEYTYPE));
tests.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).ScriptError(SCRIPT_ERR_EVAL_FALSE));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKSIG << OP_NOT,
"P2PK NOT with hybrid pubkey", SCRIPT_VERIFY_STRICTENC
).PushSig(keys.key0, SIGHASH_ALL).ScriptError(SCRIPT_ERR_PUBKEYTYPE));
tests.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));
tests.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).ScriptError(SCRIPT_ERR_PUBKEYTYPE));
tests.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));
tests.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));
tests.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).ScriptError(SCRIPT_ERR_PUBKEYTYPE));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1) << OP_CHECKSIG,
"P2PK with undefined hashtype but no STRICTENC", 0
).PushSig(keys.key1, 5));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1) << OP_CHECKSIG,
"P2PK with undefined hashtype", SCRIPT_VERIFY_STRICTENC
).PushSig(keys.key1, 5).ScriptError(SCRIPT_ERR_SIG_HASHTYPE));
tests.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));
tests.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).ScriptError(SCRIPT_ERR_SIG_HASHTYPE));
tests.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));
tests.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).ScriptError(SCRIPT_ERR_SIG_NULLDUMMY));
tests.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));
tests.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).ScriptError(SCRIPT_ERR_SIG_NULLDUMMY));
tests.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));
tests.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).ScriptError(SCRIPT_ERR_SIG_PUSHONLY));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey2C) << OP_CHECKSIG,
"P2SH(P2PK) with non-push scriptSig but no P2SH or SIGPUSHONLY", 0, true
).PushSig(keys.key2).Add(CScript() << OP_NOP8).PushRedeem());
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey2C) << OP_CHECKSIG,
"P2PK with non-push scriptSig but with P2SH validation", 0
).PushSig(keys.key2).Add(CScript() << OP_NOP8));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey2C) << OP_CHECKSIG,
"P2SH(P2PK) with non-push scriptSig but no SIGPUSHONLY", SCRIPT_VERIFY_P2SH, true
).PushSig(keys.key2).Add(CScript() << OP_NOP8).PushRedeem().ScriptError(SCRIPT_ERR_SIG_PUSHONLY));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey2C) << OP_CHECKSIG,
"P2SH(P2PK) with non-push scriptSig but not P2SH", SCRIPT_VERIFY_SIGPUSHONLY, true
).PushSig(keys.key2).Add(CScript() << OP_NOP8).PushRedeem().ScriptError(SCRIPT_ERR_SIG_PUSHONLY));
tests.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));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0) << OP_CHECKSIG,
"P2PK with unnecessary input but no CLEANSTACK", SCRIPT_VERIFY_P2SH
).Num(11).PushSig(keys.key0));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0) << OP_CHECKSIG,
"P2PK with unnecessary input", SCRIPT_VERIFY_CLEANSTACK | SCRIPT_VERIFY_P2SH
).Num(11).PushSig(keys.key0).ScriptError(SCRIPT_ERR_CLEANSTACK));
tests.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());
tests.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().ScriptError(SCRIPT_ERR_CLEANSTACK));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0) << OP_CHECKSIG,
"P2SH with CLEANSTACK", SCRIPT_VERIFY_CLEANSTACK | SCRIPT_VERIFY_P2SH, true
).PushSig(keys.key0).PushRedeem());
// Test OP_CHECKDATASIG
const uint32_t checkdatasigflags = SCRIPT_VERIFY_STRICTENC |
SCRIPT_VERIFY_NULLFAIL |
SCRIPT_ENABLE_DIP0020_OPCODES;
tests.push_back(
TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKDATASIG,
"Standard CHECKDATASIG", checkdatasigflags)
.PushDataSig(keys.key1, {})
.Num(0));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C)
<< OP_CHECKDATASIG << OP_NOT,
"CHECKDATASIG with NULLFAIL flags",
checkdatasigflags)
.PushDataSig(keys.key1, {})
.Num(1)
.ScriptError(SCRIPT_ERR_SIG_NULLFAIL));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C)
<< OP_CHECKDATASIG << OP_NOT,
"CHECKDATASIG without NULLFAIL flags",
checkdatasigflags & ~SCRIPT_VERIFY_NULLFAIL)
.PushDataSig(keys.key1, {})
.Num(1));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C)
<< OP_CHECKDATASIG << OP_NOT,
"CHECKDATASIG empty signature",
checkdatasigflags)
.Num(0)
.Num(0));
tests.push_back(
TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKDATASIG,
"CHECKDATASIG with High S but no Low S", checkdatasigflags)
.PushDataSig(keys.key1, {}, 32, 33)
.Num(0));
tests.push_back(
TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKDATASIG,
"CHECKDATASIG with High S",
checkdatasigflags | SCRIPT_VERIFY_LOW_S)
.PushDataSig(keys.key1, {}, 32, 33)
.Num(0)
.ScriptError(SCRIPT_ERR_SIG_HIGH_S));
tests.push_back(
TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKDATASIG,
"CHECKDATASIG with too little R padding but no DERSIG",
checkdatasigflags & ~SCRIPT_VERIFY_STRICTENC)
.PushDataSig(keys.key1, {}, 33, 32)
.EditPush(1, "45022100", "440220")
.Num(0));
tests.push_back(
TestBuilder(CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKDATASIG,
"CHECKDATASIG with too little R padding", checkdatasigflags)
.PushDataSig(keys.key1, {}, 33, 32)
.EditPush(1, "45022100", "440220")
.Num(0)
.ScriptError(SCRIPT_ERR_SIG_DER));
tests.push_back(
TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKDATASIG,
"CHECKDATASIG with hybrid pubkey but no STRICTENC",
checkdatasigflags & ~SCRIPT_VERIFY_STRICTENC)
.PushDataSig(keys.key0, {})
.Num(0));
tests.push_back(
TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKDATASIG,
"CHECKDATASIG with hybrid pubkey", checkdatasigflags)
.PushDataSig(keys.key0, {})
.Num(0)
.ScriptError(SCRIPT_ERR_PUBKEYTYPE));
tests.push_back(
TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKDATASIG
<< OP_NOT,
"CHECKDATASIG with invalid hybrid pubkey but no STRICTENC",
SCRIPT_ENABLE_DIP0020_OPCODES)
.PushDataSig(keys.key0, {})
.DamagePush(10)
.Num(0));
tests.push_back(
TestBuilder(CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKDATASIG,
"CHECKDATASIG with invalid hybrid pubkey",
checkdatasigflags)
.PushDataSig(keys.key0, {})
.DamagePush(10)
.Num(0)
.ScriptError(SCRIPT_ERR_PUBKEYTYPE));
// Test OP_CHECKDATASIGVERIFY
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C)
<< OP_CHECKDATASIGVERIFY << OP_TRUE,
"Standard CHECKDATASIGVERIFY",
checkdatasigflags)
.PushDataSig(keys.key1, {})
.Num(0));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C)
<< OP_CHECKDATASIGVERIFY << OP_TRUE,
"CHECKDATASIGVERIFY with NULLFAIL flags",
checkdatasigflags)
.PushDataSig(keys.key1, {})
.Num(1)
.ScriptError(SCRIPT_ERR_SIG_NULLFAIL));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C)
<< OP_CHECKDATASIGVERIFY << OP_TRUE,
"CHECKDATASIGVERIFY without NULLFAIL flags",
checkdatasigflags & ~SCRIPT_VERIFY_NULLFAIL)
.PushDataSig(keys.key1, {})
.Num(1)
.ScriptError(SCRIPT_ERR_CHECKDATASIGVERIFY));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C)
<< OP_CHECKDATASIGVERIFY << OP_TRUE,
"CHECKDATASIGVERIFY empty signature",
checkdatasigflags)
.Num(0)
.Num(0)
.ScriptError(SCRIPT_ERR_CHECKDATASIGVERIFY));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C)
<< OP_CHECKDATASIGVERIFY << OP_TRUE,
"CHECKDATASIG with High S but no Low S",
checkdatasigflags)
.PushDataSig(keys.key1, {}, 32, 33)
.Num(0));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C)
<< OP_CHECKDATASIGVERIFY << OP_TRUE,
"CHECKDATASIG with High S",
checkdatasigflags | SCRIPT_VERIFY_LOW_S)
.PushDataSig(keys.key1, {}, 32, 33)
.Num(0)
.ScriptError(SCRIPT_ERR_SIG_HIGH_S));
tests.push_back(
TestBuilder(
CScript() << ToByteVector(keys.pubkey1C) << OP_CHECKDATASIGVERIFY
<< OP_TRUE,
"CHECKDATASIGVERIFY with too little R padding but no DERSIG",
checkdatasigflags & ~SCRIPT_VERIFY_STRICTENC)
.PushDataSig(keys.key1, {}, 33, 32)
.EditPush(1, "45022100", "440220")
.Num(0));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey1C)
<< OP_CHECKDATASIGVERIFY << OP_TRUE,
"CHECKDATASIGVERIFY with too little R padding",
checkdatasigflags)
.PushDataSig(keys.key1, {}, 33, 32)
.EditPush(1, "45022100", "440220")
.Num(0)
.ScriptError(SCRIPT_ERR_SIG_DER));
tests.push_back(
TestBuilder(CScript() << ToByteVector(keys.pubkey0H)
<< OP_CHECKDATASIGVERIFY << OP_TRUE,
"CHECKDATASIGVERIFY with hybrid pubkey but no STRICTENC",
checkdatasigflags & ~SCRIPT_VERIFY_STRICTENC)
.PushDataSig(keys.key0, {})
.Num(0));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0H)
<< OP_CHECKDATASIGVERIFY << OP_TRUE,
"CHECKDATASIGVERIFY with hybrid pubkey",
checkdatasigflags)
.PushDataSig(keys.key0, {})
.Num(0)
.ScriptError(SCRIPT_ERR_PUBKEYTYPE));
tests.push_back(
TestBuilder(
CScript() << ToByteVector(keys.pubkey0H) << OP_CHECKDATASIGVERIFY
<< OP_TRUE,
"CHECKDATASIGVERIFY with invalid hybrid pubkey but no STRICTENC",
SCRIPT_ENABLE_DIP0020_OPCODES)
.PushDataSig(keys.key0, {})
.DamagePush(10)
.Num(0)
.ScriptError(SCRIPT_ERR_CHECKDATASIGVERIFY));
tests.push_back(TestBuilder(CScript() << ToByteVector(keys.pubkey0H)
<< OP_CHECKDATASIGVERIFY << OP_TRUE,
"CHECKDATASIGVERIFY with invalid hybrid pubkey",
checkdatasigflags)
.PushDataSig(keys.key0, {})
.DamagePush(10)
.Num(0)
.ScriptError(SCRIPT_ERR_PUBKEYTYPE));
std::set<std::string> tests_set;
{
UniValue json_tests = read_json(std::string(json_tests::script_tests, json_tests::script_tests + sizeof(json_tests::script_tests)));
for (unsigned int idx = 0; idx < json_tests.size(); idx++) {
const UniValue& tv = json_tests[idx];
tests_set.insert(JSONPrettyPrint(tv.get_array()));
}
}
std::string strGen;
for (TestBuilder& test : tests) {
test.Test();
std::string str = JSONPrettyPrint(test.GetJSON());
#ifndef UPDATE_JSON_TESTS
if (tests_set.count(str) == 0) {
BOOST_CHECK_MESSAGE(false, "Missing auto script_valid test: " + test.GetComment());
}
#endif
strGen += str + ",\n";
}
#ifdef UPDATE_JSON_TESTS
FILE* file = fopen("script_tests.json.gen", "w");
fputs(strGen.c_str(), file);
fclose(file);
#endif
}
BOOST_AUTO_TEST_CASE(script_json_test)
{
// Read tests from test/data/script_tests.json
// Format is an array of arrays
// Inner arrays are [ "scriptSig", "scriptPubKey", "flags", "expected_scripterror" ]
// ... where scriptSig and scriptPubKey are stringified
// scripts.
UniValue tests = read_json(std::string(json_tests::script_tests, json_tests::script_tests + sizeof(json_tests::script_tests)));
for (unsigned int idx = 0; idx < tests.size(); idx++) {
UniValue test = tests[idx];
std::string strTest = test.write();
if (test.size() < 4) // Allow size > 3; extra stuff ignored (useful for comments)
{
if (test.size() != 1) {
BOOST_ERROR("Bad test: " << strTest);
}
continue;
}
std::string scriptSigString = test[0].get_str();
CScript scriptSig = ParseScript(scriptSigString);
std::string scriptPubKeyString = test[1].get_str();
CScript scriptPubKey = ParseScript(scriptPubKeyString);
unsigned int scriptflags = ParseScriptFlags(test[2].get_str());
int scriptError = ParseScriptError(test[3].get_str());
DoTest(scriptPubKey, scriptSig, scriptflags, strTest, scriptError);
}
}
BOOST_AUTO_TEST_CASE(script_PushData)
{
// Check that PUSHDATA1, PUSHDATA2, and PUSHDATA4 create the same value on
// the stack as the 1-75 opcodes do.
static const unsigned char direct[] = { 1, 0x5a };
static const unsigned char pushdata1[] = { OP_PUSHDATA1, 1, 0x5a };
static const unsigned char pushdata2[] = { OP_PUSHDATA2, 1, 0, 0x5a };
static const unsigned char pushdata4[] = { OP_PUSHDATA4, 1, 0, 0, 0, 0x5a };
ScriptError err;
std::vector<std::vector<unsigned char> > directStack;
BOOST_CHECK(EvalScript(directStack, CScript(&direct[0], &direct[sizeof(direct)]), SCRIPT_VERIFY_P2SH, BaseSignatureChecker(), SigVersion::BASE, &err));
BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err));
std::vector<std::vector<unsigned char> > pushdata1Stack;
BOOST_CHECK(EvalScript(pushdata1Stack, CScript(&pushdata1[0], &pushdata1[sizeof(pushdata1)]), SCRIPT_VERIFY_P2SH, BaseSignatureChecker(), SigVersion::BASE, &err));
BOOST_CHECK(pushdata1Stack == directStack);
BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err));
std::vector<std::vector<unsigned char> > pushdata2Stack;
BOOST_CHECK(EvalScript(pushdata2Stack, CScript(&pushdata2[0], &pushdata2[sizeof(pushdata2)]), SCRIPT_VERIFY_P2SH, BaseSignatureChecker(), SigVersion::BASE, &err));
BOOST_CHECK(pushdata2Stack == directStack);
BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err));
std::vector<std::vector<unsigned char> > pushdata4Stack;
BOOST_CHECK(EvalScript(pushdata4Stack, CScript(&pushdata4[0], &pushdata4[sizeof(pushdata4)]), SCRIPT_VERIFY_P2SH, BaseSignatureChecker(), SigVersion::BASE, &err));
BOOST_CHECK(pushdata4Stack == directStack);
BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err));
}
CScript
sign_multisig(CScript scriptPubKey, std::vector<CKey> keys, CTransaction transaction)
{
uint256 hash = SignatureHash(scriptPubKey, transaction, 0, SIGHASH_ALL, 0, SigVersion::BASE);
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 block chain (old
// clients would not accept new CHECKMULTISIG transactions,
// and vice-versa)
//
result << OP_0;
for (const CKey &key : keys)
{
std::vector<unsigned char> vchSig;
BOOST_CHECK(key.Sign(hash, vchSig));
vchSig.push_back((unsigned char)SIGHASH_ALL);
result << vchSig;
}
return result;
}
CScript