litecoin/src/test/multisig_tests.cpp
Wladimir J. van der Laan 92fd887fd4 tests: add a BasicTestingSetup and apply to all tests
Make sure that chainparams and logging is properly initialized. Doing
this for every test may be overkill, but this initialization is so
simple that that does not matter.

This should fix the travis issues.
2015-03-12 09:45:22 +01:00

321 lines
12 KiB
C++

// Copyright (c) 2011-2013 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 "key.h"
#include "keystore.h"
#include "main.h"
#include "script/script.h"
#include "script/script_error.h"
#include "script/interpreter.h"
#include "script/sign.h"
#include "uint256.h"
#include "test/test_bitcoin.h"
#ifdef ENABLE_WALLET
#include "wallet_ismine.h"
#endif
#include <boost/foreach.hpp>
#include <boost/test/unit_test.hpp>
using namespace std;
typedef vector<unsigned char> valtype;
BOOST_FIXTURE_TEST_SUITE(multisig_tests, BasicTestingSetup)
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(const 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)
{
unsigned int flags = SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_STRICTENC;
ScriptError err;
CKey key[4];
for (int i = 0; i < 4; i++)
key[i].MakeNewKey(true);
CScript a_and_b;
a_and_b << OP_2 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << OP_2 << OP_CHECKMULTISIG;
CScript a_or_b;
a_or_b << OP_1 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << OP_2 << OP_CHECKMULTISIG;
CScript escrow;
escrow << OP_2 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << ToByteVector(key[2].GetPubKey()) << OP_3 << OP_CHECKMULTISIG;
CMutableTransaction 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;
CMutableTransaction 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;
// Test a AND b:
keys.assign(1,key[0]);
keys.push_back(key[1]);
s = sign_multisig(a_and_b, keys, txTo[0], 0);
BOOST_CHECK(VerifyScript(s, a_and_b, flags, MutableTransactionSignatureChecker(&txTo[0], 0), &err));
BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err));
for (int i = 0; i < 4; i++)
{
keys.assign(1,key[i]);
s = sign_multisig(a_and_b, keys, txTo[0], 0);
BOOST_CHECK_MESSAGE(!VerifyScript(s, a_and_b, flags, MutableTransactionSignatureChecker(&txTo[0], 0), &err), strprintf("a&b 1: %d", i));
BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_INVALID_STACK_OPERATION, ScriptErrorString(err));
keys.assign(1,key[1]);
keys.push_back(key[i]);
s = sign_multisig(a_and_b, keys, txTo[0], 0);
BOOST_CHECK_MESSAGE(!VerifyScript(s, a_and_b, flags, MutableTransactionSignatureChecker(&txTo[0], 0), &err), strprintf("a&b 2: %d", i));
BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_EVAL_FALSE, ScriptErrorString(err));
}
// Test a OR b:
for (int i = 0; i < 4; i++)
{
keys.assign(1,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, flags, MutableTransactionSignatureChecker(&txTo[1], 0), &err), strprintf("a|b: %d", i));
BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err));
}
else
{
BOOST_CHECK_MESSAGE(!VerifyScript(s, a_or_b, flags, MutableTransactionSignatureChecker(&txTo[1], 0), &err), strprintf("a|b: %d", i));
BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_EVAL_FALSE, ScriptErrorString(err));
}
}
s.clear();
s << OP_0 << OP_1;
BOOST_CHECK(!VerifyScript(s, a_or_b, flags, MutableTransactionSignatureChecker(&txTo[1], 0), &err));
BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_SIG_DER, ScriptErrorString(err));
for (int i = 0; i < 4; i++)
for (int j = 0; j < 4; j++)
{
keys.assign(1,key[i]);
keys.push_back(key[j]);
s = sign_multisig(escrow, keys, txTo[2], 0);
if (i < j && i < 3 && j < 3)
{
BOOST_CHECK_MESSAGE(VerifyScript(s, escrow, flags, MutableTransactionSignatureChecker(&txTo[2], 0), &err), strprintf("escrow 1: %d %d", i, j));
BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err));
}
else
{
BOOST_CHECK_MESSAGE(!VerifyScript(s, escrow, flags, MutableTransactionSignatureChecker(&txTo[2], 0), &err), strprintf("escrow 2: %d %d", i, j));
BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_EVAL_FALSE, ScriptErrorString(err));
}
}
}
BOOST_AUTO_TEST_CASE(multisig_IsStandard)
{
CKey key[4];
for (int i = 0; i < 4; i++)
key[i].MakeNewKey(true);
txnouttype whichType;
CScript a_and_b;
a_and_b << OP_2 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << OP_2 << OP_CHECKMULTISIG;
BOOST_CHECK(::IsStandard(a_and_b, whichType));
CScript a_or_b;
a_or_b << OP_1 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << OP_2 << OP_CHECKMULTISIG;
BOOST_CHECK(::IsStandard(a_or_b, whichType));
CScript escrow;
escrow << OP_2 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << ToByteVector(key[2].GetPubKey()) << OP_3 << OP_CHECKMULTISIG;
BOOST_CHECK(::IsStandard(escrow, whichType));
CScript one_of_four;
one_of_four << OP_1 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << ToByteVector(key[2].GetPubKey()) << ToByteVector(key[3].GetPubKey()) << OP_4 << OP_CHECKMULTISIG;
BOOST_CHECK(!::IsStandard(one_of_four, whichType));
CScript malformed[6];
malformed[0] << OP_3 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << OP_2 << OP_CHECKMULTISIG;
malformed[1] << OP_2 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << OP_3 << OP_CHECKMULTISIG;
malformed[2] << OP_0 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << OP_2 << OP_CHECKMULTISIG;
malformed[3] << OP_1 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << OP_0 << OP_CHECKMULTISIG;
malformed[4] << OP_1 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << OP_CHECKMULTISIG;
malformed[5] << OP_1 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey());
for (int i = 0; i < 6; i++)
BOOST_CHECK(!::IsStandard(malformed[i], whichType));
}
BOOST_AUTO_TEST_CASE(multisig_Solver1)
{
// Tests Solver() that returns lists of keys that are
// required to satisfy a ScriptPubKey
//
// Also tests IsMine() and ExtractDestination()
//
// Note: ExtractDestination 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, partialkeystore;
CKey key[3];
CTxDestination keyaddr[3];
for (int i = 0; i < 3; i++)
{
key[i].MakeNewKey(true);
keystore.AddKey(key[i]);
keyaddr[i] = key[i].GetPubKey().GetID();
}
partialkeystore.AddKey(key[0]);
{
vector<valtype> solutions;
txnouttype whichType;
CScript s;
s << ToByteVector(key[0].GetPubKey()) << OP_CHECKSIG;
BOOST_CHECK(Solver(s, whichType, solutions));
BOOST_CHECK(solutions.size() == 1);
CTxDestination addr;
BOOST_CHECK(ExtractDestination(s, addr));
BOOST_CHECK(addr == keyaddr[0]);
#ifdef ENABLE_WALLET
BOOST_CHECK(IsMine(keystore, s));
BOOST_CHECK(!IsMine(emptykeystore, s));
#endif
}
{
vector<valtype> solutions;
txnouttype whichType;
CScript s;
s << OP_DUP << OP_HASH160 << ToByteVector(key[0].GetPubKey().GetID()) << OP_EQUALVERIFY << OP_CHECKSIG;
BOOST_CHECK(Solver(s, whichType, solutions));
BOOST_CHECK(solutions.size() == 1);
CTxDestination addr;
BOOST_CHECK(ExtractDestination(s, addr));
BOOST_CHECK(addr == keyaddr[0]);
#ifdef ENABLE_WALLET
BOOST_CHECK(IsMine(keystore, s));
BOOST_CHECK(!IsMine(emptykeystore, s));
#endif
}
{
vector<valtype> solutions;
txnouttype whichType;
CScript s;
s << OP_2 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << OP_2 << OP_CHECKMULTISIG;
BOOST_CHECK(Solver(s, whichType, solutions));
BOOST_CHECK_EQUAL(solutions.size(), 4U);
CTxDestination addr;
BOOST_CHECK(!ExtractDestination(s, addr));
#ifdef ENABLE_WALLET
BOOST_CHECK(IsMine(keystore, s));
BOOST_CHECK(!IsMine(emptykeystore, s));
BOOST_CHECK(!IsMine(partialkeystore, s));
#endif
}
{
vector<valtype> solutions;
txnouttype whichType;
CScript s;
s << OP_1 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << OP_2 << OP_CHECKMULTISIG;
BOOST_CHECK(Solver(s, whichType, solutions));
BOOST_CHECK_EQUAL(solutions.size(), 4U);
vector<CTxDestination> addrs;
int nRequired;
BOOST_CHECK(ExtractDestinations(s, whichType, addrs, nRequired));
BOOST_CHECK(addrs[0] == keyaddr[0]);
BOOST_CHECK(addrs[1] == keyaddr[1]);
BOOST_CHECK(nRequired == 1);
#ifdef ENABLE_WALLET
BOOST_CHECK(IsMine(keystore, s));
BOOST_CHECK(!IsMine(emptykeystore, s));
BOOST_CHECK(!IsMine(partialkeystore, s));
#endif
}
{
vector<valtype> solutions;
txnouttype whichType;
CScript s;
s << OP_2 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << ToByteVector(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(true);
keystore.AddKey(key[i]);
}
CScript a_and_b;
a_and_b << OP_2 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << OP_2 << OP_CHECKMULTISIG;
CScript a_or_b;
a_or_b << OP_1 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << OP_2 << OP_CHECKMULTISIG;
CScript escrow;
escrow << OP_2 << ToByteVector(key[0].GetPubKey()) << ToByteVector(key[1].GetPubKey()) << ToByteVector(key[2].GetPubKey()) << OP_3 << OP_CHECKMULTISIG;
CMutableTransaction 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;
CMutableTransaction 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()