Hush Full Node software. We were censored from Github, this is where all development happens now. https://hush.is
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// Copyright (c) 2019-2020 The Hush developers
// Copyright (c) 2011-2014 The Bitcoin Core developers
// Distributed under the GPLv3 software license, see the accompanying
// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
#include "data/tx_invalid.json.h"
#include "data/tx_valid.json.h"
#include "test/test_bitcoin.h"
#include "init.h"
#include "clientversion.h"
#include "checkqueue.h"
#include "consensus/upgrades.h"
#include "consensus/validation.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 "primitives/transaction.h"
#include "sodium.h"
#include <array>
#include <map>
#include <string>
#include <boost/algorithm/string/classification.hpp>
#include <boost/algorithm/string/split.hpp>
#include <boost/assign/list_of.hpp>
#include <boost/test/unit_test.hpp>
#include <boost/assign/list_of.hpp>
#include <boost/test/data/test_case.hpp>
#include <univalue.h>
#include "zcash/Note.hpp"
#include "zcash/Address.hpp"
#include "zcash/Proof.hpp"
using namespace std;
// In script_tests.cpp
extern UniValue read_json(const std::string& jsondata);
static std::map<string, unsigned int> mapFlagNames = boost::assign::map_list_of
(string("NONE"), (unsigned int)SCRIPT_VERIFY_NONE)
(string("P2SH"), (unsigned int)SCRIPT_VERIFY_P2SH)
(string("STRICTENC"), (unsigned int)SCRIPT_VERIFY_STRICTENC)
(string("LOW_S"), (unsigned int)SCRIPT_VERIFY_LOW_S)
(string("SIGPUSHONLY"), (unsigned int)SCRIPT_VERIFY_SIGPUSHONLY)
(string("MINIMALDATA"), (unsigned int)SCRIPT_VERIFY_MINIMALDATA)
(string("NULLDUMMY"), (unsigned int)SCRIPT_VERIFY_NULLDUMMY)
(string("DISCOURAGE_UPGRADABLE_NOPS"), (unsigned int)SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS)
(string("CLEANSTACK"), (unsigned int)SCRIPT_VERIFY_CLEANSTACK)
(string("CHECKLOCKTIMEVERIFY"), (unsigned int)SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY);
unsigned int ParseScriptFlags(string strFlags)
{
if (strFlags.empty()) {
return 0;
}
unsigned int flags = 0;
vector<string> words;
boost::algorithm::split(words, strFlags, boost::algorithm::is_any_of(","));
BOOST_FOREACH(string word, words)
{
if (!mapFlagNames.count(word))
BOOST_ERROR("Bad test: unknown verification flag '" << word << "'");
flags |= mapFlagNames[word];
}
return flags;
}
string FormatScriptFlags(unsigned int flags)
{
if (flags == 0) {
return "";
}
string ret;
std::map<string, unsigned int>::const_iterator it = mapFlagNames.begin();
while (it != mapFlagNames.end()) {
if (flags & it->second) {
ret += it->first + ",";
}
it++;
}
return ret.substr(0, ret.size() - 1);
}
BOOST_FIXTURE_TEST_SUITE(transaction_tests, JoinSplitTestingSetup)
BOOST_AUTO_TEST_CASE(tx_valid)
{
uint32_t consensusBranchId = SPROUT_BRANCH_ID;
// Read tests from test/data/tx_valid.json
// Format is an array of arrays
// Inner arrays are either [ "comment" ]
// or [[[prevout hash, prevout index, prevout scriptPubKey], [input 2], ...],"], serializedTransaction, verifyFlags
// ... where all scripts are stringified scripts.
//
// verifyFlags is a comma separated list of script verification flags to apply, or "NONE"
UniValue tests = read_json(std::string(json_tests::tx_valid, json_tests::tx_valid + sizeof(json_tests::tx_valid)));
std::string comment("");
auto verifier = libzcash::ProofVerifier::Strict();
ScriptError err;
for (size_t idx = 0; idx < tests.size(); idx++) {
UniValue test = tests[idx];
string strTest = test.write();
if (test[0].isArray())
{
if (test.size() != 3 || !test[1].isStr() || !test[2].isStr())
{
BOOST_ERROR("Bad test: " << strTest << comment);
continue;
}
map<COutPoint, CScript> mapprevOutScriptPubKeys;
UniValue inputs = test[0].get_array();
bool fValid = true;
for (size_t inpIdx = 0; inpIdx < inputs.size(); inpIdx++) {
const UniValue& input = inputs[inpIdx];
if (!input.isArray())
{
fValid = false;
break;
}
UniValue vinput = input.get_array();
if (vinput.size() != 3)
{
fValid = false;
break;
}
mapprevOutScriptPubKeys[COutPoint(uint256S(vinput[0].get_str()), vinput[1].get_int())] = ParseScript(vinput[2].get_str());
}
if (!fValid)
{
BOOST_ERROR("Bad test: " << strTest << comment);
continue;
}
string transaction = test[1].get_str();
CDataStream stream(ParseHex(transaction), SER_NETWORK, PROTOCOL_VERSION);
CTransaction tx;
stream >> tx;
CValidationState state;
BOOST_CHECK_MESSAGE(CheckTransaction(tx, state, verifier), strTest + comment);
BOOST_CHECK_MESSAGE(state.IsValid(), comment);
PrecomputedTransactionData txdata(tx);
for (unsigned int i = 0; i < tx.vin.size(); i++)
{
if (!mapprevOutScriptPubKeys.count(tx.vin[i].prevout))
{
BOOST_ERROR("Bad test: " << strTest << comment);
break;
}
CAmount amount = 0;
unsigned int verify_flags = ParseScriptFlags(test[2].get_str());
BOOST_CHECK_MESSAGE(VerifyScript(tx.vin[i].scriptSig, mapprevOutScriptPubKeys[tx.vin[i].prevout],
verify_flags, TransactionSignatureChecker(&tx, i, amount, txdata), consensusBranchId, &err),
strTest + comment);
BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err) + comment);
}
comment = "";
}
else if (test.size() == 1)
{
comment += "\n# ";
comment += test[0].write();
}
}
}
BOOST_AUTO_TEST_CASE(tx_invalid)
{
uint32_t consensusBranchId = SPROUT_BRANCH_ID;
// Read tests from test/data/tx_invalid.json
// Format is an array of arrays
// Inner arrays are either [ "comment" ]
// or [[[prevout hash, prevout index, prevout scriptPubKey], [input 2], ...],"], serializedTransaction, verifyFlags
// ... where all scripts are stringified scripts.
//
// verifyFlags is a comma separated list of script verification flags to apply, or "NONE"
UniValue tests = read_json(std::string(json_tests::tx_invalid, json_tests::tx_invalid + sizeof(json_tests::tx_invalid)));
std::string comment("");
auto verifier = libzcash::ProofVerifier::Strict();
ScriptError err;
for (size_t idx = 0; idx < tests.size(); idx++) {
UniValue test = tests[idx];
string strTest = test.write();
if (test[0].isArray())
{
if (test.size() != 3 || !test[1].isStr() || !test[2].isStr())
{
BOOST_ERROR("Bad test: " << strTest << comment);
continue;
}
map<COutPoint, CScript> mapprevOutScriptPubKeys;
UniValue inputs = test[0].get_array();
bool fValid = true;
for (size_t inpIdx = 0; inpIdx < inputs.size(); inpIdx++) {
const UniValue& input = inputs[inpIdx];
if (!input.isArray())
{
fValid = false;
break;
}
UniValue vinput = input.get_array();
if (vinput.size() != 3)
{
fValid = false;
break;
}
mapprevOutScriptPubKeys[COutPoint(uint256S(vinput[0].get_str()), vinput[1].get_int())] = ParseScript(vinput[2].get_str());
}
if (!fValid)
{
BOOST_ERROR("Bad test: " << strTest << comment);
continue;
}
string transaction = test[1].get_str();
CDataStream stream(ParseHex(transaction), SER_NETWORK, PROTOCOL_VERSION);
CTransaction tx;
stream >> tx;
CValidationState state;
fValid = CheckTransaction(tx, state, verifier) && state.IsValid();
PrecomputedTransactionData txdata(tx);
for (unsigned int i = 0; i < tx.vin.size() && fValid; i++)
{
if (!mapprevOutScriptPubKeys.count(tx.vin[i].prevout))
{
BOOST_ERROR("Bad test: " << strTest << comment);
break;
}
unsigned int verify_flags = ParseScriptFlags(test[2].get_str());
CAmount amount = 0;
fValid = VerifyScript(tx.vin[i].scriptSig, mapprevOutScriptPubKeys[tx.vin[i].prevout],
verify_flags, TransactionSignatureChecker(&tx, i, amount, txdata), consensusBranchId, &err);
}
BOOST_CHECK_MESSAGE(!fValid, strTest + comment);
BOOST_CHECK_MESSAGE(err != SCRIPT_ERR_OK, ScriptErrorString(err) + comment);
comment = "";
}
else if (test.size() == 1)
{
comment += "\n# ";
comment += test[0].write();
}
}
}
BOOST_AUTO_TEST_CASE(basic_transaction_tests)
{
// Random real transaction (e2769b09e784f32f62ef849763d4f45b98e07ba658647343b915ff832b110436)
unsigned char ch[] = {0x01, 0x00, 0x00, 0x00, 0x01, 0x6b, 0xff, 0x7f, 0xcd, 0x4f, 0x85, 0x65, 0xef, 0x40, 0x6d, 0xd5, 0xd6, 0x3d, 0x4f, 0xf9, 0x4f, 0x31, 0x8f, 0xe8, 0x20, 0x27, 0xfd, 0x4d, 0xc4, 0x51, 0xb0, 0x44, 0x74, 0x01, 0x9f, 0x74, 0xb4, 0x00, 0x00, 0x00, 0x00, 0x8c, 0x49, 0x30, 0x46, 0x02, 0x21, 0x00, 0xda, 0x0d, 0xc6, 0xae, 0xce, 0xfe, 0x1e, 0x06, 0xef, 0xdf, 0x05, 0x77, 0x37, 0x57, 0xde, 0xb1, 0x68, 0x82, 0x09, 0x30, 0xe3, 0xb0, 0xd0, 0x3f, 0x46, 0xf5, 0xfc, 0xf1, 0x50, 0xbf, 0x99, 0x0c, 0x02, 0x21, 0x00, 0xd2, 0x5b, 0x5c, 0x87, 0x04, 0x00, 0x76, 0xe4, 0xf2, 0x53, 0xf8, 0x26, 0x2e, 0x76, 0x3e, 0x2d, 0xd5, 0x1e, 0x7f, 0xf0, 0xbe, 0x15, 0x77, 0x27, 0xc4, 0xbc, 0x42, 0x80, 0x7f, 0x17, 0xbd, 0x39, 0x01, 0x41, 0x04, 0xe6, 0xc2, 0x6e, 0xf6, 0x7d, 0xc6, 0x10, 0xd2, 0xcd, 0x19, 0x24, 0x84, 0x78, 0x9a, 0x6c, 0xf9, 0xae, 0xa9, 0x93, 0x0b, 0x94, 0x4b, 0x7e, 0x2d, 0xb5, 0x34, 0x2b, 0x9d, 0x9e, 0x5b, 0x9f, 0xf7, 0x9a, 0xff, 0x9a, 0x2e, 0xe1, 0x97, 0x8d, 0xd7, 0xfd, 0x01, 0xdf, 0xc5, 0x22, 0xee, 0x02, 0x28, 0x3d, 0x3b, 0x06, 0xa9, 0xd0, 0x3a, 0xcf, 0x80, 0x96, 0x96, 0x8d, 0x7d, 0xbb, 0x0f, 0x91, 0x78, 0xff, 0xff, 0xff, 0xff, 0x02, 0x8b, 0xa7, 0x94, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x19, 0x76, 0xa9, 0x14, 0xba, 0xde, 0xec, 0xfd, 0xef, 0x05, 0x07, 0x24, 0x7f, 0xc8, 0xf7, 0x42, 0x41, 0xd7, 0x3b, 0xc0, 0x39, 0x97, 0x2d, 0x7b, 0x88, 0xac, 0x40, 0x94, 0xa8, 0x02, 0x00, 0x00, 0x00, 0x00, 0x19, 0x76, 0xa9, 0x14, 0xc1, 0x09, 0x32, 0x48, 0x3f, 0xec, 0x93, 0xed, 0x51, 0xf5, 0xfe, 0x95, 0xe7, 0x25, 0x59, 0xf2, 0xcc, 0x70, 0x43, 0xf9, 0x88, 0xac, 0x00, 0x00, 0x00, 0x00, 0x00};
vector<unsigned char> vch(ch, ch + sizeof(ch) -1);
CDataStream stream(vch, SER_DISK, CLIENT_VERSION);
CMutableTransaction tx;
stream >> tx;
CValidationState state;
auto verifier = libzcash::ProofVerifier::Strict();
BOOST_CHECK_MESSAGE(CheckTransaction(tx, state, verifier) && state.IsValid(), "Simple deserialized transaction should be valid.");
// Check that duplicate txins fail
tx.vin.push_back(tx.vin[0]);
BOOST_CHECK_MESSAGE(!CheckTransaction(tx, state, verifier) || !state.IsValid(), "Transaction with duplicate txins should be invalid.");
}
//
// Helper: create two dummy transactions, each with
// two outputs. The first has 11 and 50 CENT outputs
// paid to a TX_PUBKEY, the second 21 and 22 CENT outputs
// paid to a TX_PUBKEYHASH.
//
static std::vector<CMutableTransaction>
SetupDummyInputs(CBasicKeyStore& keystoreRet, CCoinsViewCache& coinsRet)
{
std::vector<CMutableTransaction> dummyTransactions;
dummyTransactions.resize(2);
// Add some keys to the keystore:
CKey key[4];
for (int i = 0; i < 4; i++)
{
key[i].MakeNewKey(i % 2);
keystoreRet.AddKey(key[i]);
}
// Create some dummy input transactions
dummyTransactions[0].vout.resize(2);
dummyTransactions[0].vout[0].nValue = 11*CENT;
dummyTransactions[0].vout[0].scriptPubKey << ToByteVector(key[0].GetPubKey()) << OP_CHECKSIG;
dummyTransactions[0].vout[1].nValue = 50*CENT;
dummyTransactions[0].vout[1].scriptPubKey << ToByteVector(key[1].GetPubKey()) << OP_CHECKSIG;
coinsRet.ModifyCoins(dummyTransactions[0].GetHash())->FromTx(dummyTransactions[0], 0);
dummyTransactions[1].vout.resize(2);
dummyTransactions[1].vout[0].nValue = 21*CENT;
dummyTransactions[1].vout[0].scriptPubKey = GetScriptForDestination(key[2].GetPubKey().GetID());
dummyTransactions[1].vout[1].nValue = 22*CENT;
dummyTransactions[1].vout[1].scriptPubKey = GetScriptForDestination(key[3].GetPubKey().GetID());
coinsRet.ModifyCoins(dummyTransactions[1].GetHash())->FromTx(dummyTransactions[1], 0);
return dummyTransactions;
}
BOOST_AUTO_TEST_CASE(test_basic_joinsplit_verification)
{
// We only check that joinsplits are constructed properly
// and verify properly here. libsnark tends to segfault
// when our snarks or what-have-you are invalid, so
// we can't really catch everything here.
//
// See #471, #520, #459 and probably others.
//
// There may be ways to use boost tests to catch failing
// threads or processes (?) but they appear to not work
// on all platforms and would gently push us down an ugly
// path. We should just fix the assertions.
//
// Also, it's generally libzcash's job to ensure the
// integrity of the scheme through its own tests.
// construct a merkle tree
SproutMerkleTree merkleTree;
auto k = libzcash::SproutSpendingKey::random();
auto addr = k.address();
libzcash::SproutNote note(addr.a_pk, 100, uint256(), uint256());
// commitment from coin
uint256 commitment = note.cm();
// insert commitment into the merkle tree
merkleTree.append(commitment);
// compute the merkle root we will be working with
uint256 rt = merkleTree.root();
auto witness = merkleTree.witness();
// create JSDescription
uint256 joinSplitPubKey;
std::array<libzcash::JSInput, ZC_NUM_JS_INPUTS> inputs = {
libzcash::JSInput(witness, note, k),
libzcash::JSInput() // dummy input of zero value
};
std::array<libzcash::JSOutput, ZC_NUM_JS_OUTPUTS> outputs = {
libzcash::JSOutput(addr, 50),
libzcash::JSOutput(addr, 50)
};
auto verifier = libzcash::ProofVerifier::Strict();
{
JSDescription jsdesc(false, *pzcashParams, joinSplitPubKey, rt, inputs, outputs, 0, 0);
BOOST_CHECK(jsdesc.Verify(*pzcashParams, verifier, joinSplitPubKey));
CDataStream ss(SER_DISK, CLIENT_VERSION);
ss << jsdesc;
JSDescription jsdesc_deserialized;
ss >> jsdesc_deserialized;
BOOST_CHECK(jsdesc_deserialized == jsdesc);
BOOST_CHECK(jsdesc_deserialized.Verify(*pzcashParams, verifier, joinSplitPubKey));
}
{
// Ensure that the balance equation is working.
BOOST_CHECK_THROW(JSDescription(false, *pzcashParams, joinSplitPubKey, rt, inputs, outputs, 10, 0), std::invalid_argument);
BOOST_CHECK_THROW(JSDescription(false, *pzcashParams, joinSplitPubKey, rt, inputs, outputs, 0, 10), std::invalid_argument);
}
{
// Ensure that it won't verify if the root is changed.
auto test = JSDescription(false, *pzcashParams, joinSplitPubKey, rt, inputs, outputs, 0, 0);
test.anchor = GetRandHash();
BOOST_CHECK(!test.Verify(*pzcashParams, verifier, joinSplitPubKey));
}
}
void test_simple_sapling_invalidity(uint32_t consensusBranchId, CMutableTransaction tx)
{
{
CMutableTransaction newTx(tx);
CValidationState state;
BOOST_CHECK(!CheckTransactionWithoutProofVerification(newTx, state));
BOOST_CHECK(state.GetRejectReason() == "bad-txns-vin-empty");
}
{
CMutableTransaction newTx(tx);
CValidationState state;
newTx.vShieldedSpend.push_back(SpendDescription());
newTx.vShieldedSpend[0].nullifier = GetRandHash();
BOOST_CHECK(!CheckTransactionWithoutProofVerification(newTx, state));
BOOST_CHECK(state.GetRejectReason() == "bad-txns-vout-empty");
}
{
// Ensure that nullifiers are never duplicated within a transaction.
CMutableTransaction newTx(tx);
CValidationState state;
newTx.vShieldedSpend.push_back(SpendDescription());
newTx.vShieldedSpend[0].nullifier = GetRandHash();
newTx.vShieldedOutput.push_back(OutputDescription());
newTx.vShieldedSpend.push_back(SpendDescription());
newTx.vShieldedSpend[1].nullifier = newTx.vShieldedSpend[0].nullifier;
BOOST_CHECK(!CheckTransactionWithoutProofVerification(newTx, state));
BOOST_CHECK(state.GetRejectReason() == "bad-spend-description-nullifiers-duplicate");
newTx.vShieldedSpend[1].nullifier = GetRandHash();
BOOST_CHECK(CheckTransactionWithoutProofVerification(newTx, state));
}
{
CMutableTransaction newTx(tx);
CValidationState state;
// Create a coinbase transaction
CTxIn vin;
vin.prevout = COutPoint();
newTx.vin.push_back(vin);
CTxOut vout;
vout.nValue = 1;
newTx.vout.push_back(vout);
newTx.vShieldedOutput.push_back(OutputDescription());
BOOST_CHECK(!CheckTransactionWithoutProofVerification(newTx, state));
BOOST_CHECK(state.GetRejectReason() == "bad-cb-has-output-description");
newTx.vShieldedSpend.push_back(SpendDescription());
BOOST_CHECK(!CheckTransactionWithoutProofVerification(newTx, state));
BOOST_CHECK(state.GetRejectReason() == "bad-cb-has-spend-description");
}
}
void test_simple_joinsplit_invalidity(uint32_t consensusBranchId, CMutableTransaction tx)
{
auto verifier = libzcash::ProofVerifier::Strict();
{
// Ensure that empty vin/vout remain invalid without
// joinsplits.
CMutableTransaction newTx(tx);
CValidationState state;
unsigned char joinSplitPrivKey[crypto_sign_SECRETKEYBYTES];
crypto_sign_keypair(newTx.joinSplitPubKey.begin(), joinSplitPrivKey);
// No joinsplits, vin and vout, means it should be invalid.
BOOST_CHECK(!CheckTransactionWithoutProofVerification(newTx, state));
BOOST_CHECK(state.GetRejectReason() == "bad-txns-vin-empty");
newTx.vin.push_back(CTxIn(uint256S("0000000000000000000000000000000000000000000000000000000000000001"), 0));
BOOST_CHECK(!CheckTransactionWithoutProofVerification(newTx, state));
BOOST_CHECK(state.GetRejectReason() == "bad-txns-vout-empty");
newTx.vjoinsplit.push_back(JSDescription());
JSDescription *jsdesc = &newTx.vjoinsplit[0];
jsdesc->nullifiers[0] = GetRandHash();
jsdesc->nullifiers[1] = GetRandHash();
BOOST_CHECK(CheckTransactionWithoutProofVerification(newTx, state));
BOOST_CHECK(!ContextualCheckTransaction(0,newTx, state, 0, 100));
BOOST_CHECK(state.GetRejectReason() == "bad-txns-invalid-joinsplit-signature");
// Empty output script.
CScript scriptCode;
CTransaction signTx(newTx);
uint256 dataToBeSigned = SignatureHash(scriptCode, signTx, NOT_AN_INPUT, SIGHASH_ALL, 0, consensusBranchId);
assert(crypto_sign_detached(&newTx.joinSplitSig[0], NULL,
dataToBeSigned.begin(), 32,
joinSplitPrivKey
) == 0);
BOOST_CHECK(CheckTransactionWithoutProofVerification(newTx, state));
BOOST_CHECK(ContextualCheckTransaction(0,newTx, state, 0, 100));
}
{
// Ensure that values within the joinsplit are well-formed.
CMutableTransaction newTx(tx);
CValidationState state;
newTx.vjoinsplit.push_back(JSDescription());
JSDescription *jsdesc = &newTx.vjoinsplit[0];
jsdesc->vpub_old = -1;
BOOST_CHECK(!CheckTransaction(newTx, state, verifier));
BOOST_CHECK(state.GetRejectReason() == "bad-txns-vpub_old-negative");
jsdesc->vpub_old = MAX_MONEY + 1;
BOOST_CHECK(!CheckTransaction(newTx, state, verifier));
BOOST_CHECK(state.GetRejectReason() == "bad-txns-vpub_old-toolarge");
jsdesc->vpub_old = 0;
jsdesc->vpub_new = -1;
BOOST_CHECK(!CheckTransaction(newTx, state, verifier));
BOOST_CHECK(state.GetRejectReason() == "bad-txns-vpub_new-negative");
jsdesc->vpub_new = MAX_MONEY + 1;
BOOST_CHECK(!CheckTransaction(newTx, state, verifier));
BOOST_CHECK(state.GetRejectReason() == "bad-txns-vpub_new-toolarge");
jsdesc->vpub_new = (MAX_MONEY / 2) + 10;
newTx.vjoinsplit.push_back(JSDescription());
JSDescription *jsdesc2 = &newTx.vjoinsplit[1];
jsdesc2->vpub_new = (MAX_MONEY / 2) + 10;
BOOST_CHECK(!CheckTransaction(newTx, state, verifier));
BOOST_CHECK(state.GetRejectReason() == "bad-txns-txintotal-toolarge");
}
{
// Ensure that nullifiers are never duplicated within a transaction.
CMutableTransaction newTx(tx);
CValidationState state;
newTx.vjoinsplit.push_back(JSDescription());
JSDescription *jsdesc = &newTx.vjoinsplit[0];
jsdesc->nullifiers[0] = GetRandHash();
jsdesc->nullifiers[1] = jsdesc->nullifiers[0];
BOOST_CHECK(!CheckTransaction(newTx, state, verifier));
BOOST_CHECK(state.GetRejectReason() == "bad-joinsplits-nullifiers-duplicate");
jsdesc->nullifiers[1] = GetRandHash();
newTx.vjoinsplit.push_back(JSDescription());
jsdesc = &newTx.vjoinsplit[0]; // Fixes #2026. Related PR #2078.
JSDescription *jsdesc2 = &newTx.vjoinsplit[1];
jsdesc2->nullifiers[0] = GetRandHash();
jsdesc2->nullifiers[1] = jsdesc->nullifiers[0];
BOOST_CHECK(!CheckTransaction(newTx, state, verifier));
BOOST_CHECK(state.GetRejectReason() == "bad-joinsplits-nullifiers-duplicate");
}
{
// Ensure that coinbase transactions do not have joinsplits.
CMutableTransaction newTx(tx);
CValidationState state;
newTx.vjoinsplit.push_back(JSDescription());
JSDescription *jsdesc = &newTx.vjoinsplit[0];
jsdesc->nullifiers[0] = GetRandHash();
jsdesc->nullifiers[1] = GetRandHash();
newTx.vin.push_back(CTxIn(uint256(), -1));
{
CTransaction finalNewTx(newTx);
BOOST_CHECK(finalNewTx.IsCoinBase());
}
BOOST_CHECK(!CheckTransaction(newTx, state, verifier));
BOOST_CHECK(state.GetRejectReason() == "bad-cb-has-joinsplits");
}
}
BOOST_AUTO_TEST_CASE(test_simple_joinsplit_invalidity_driver) {
{
CMutableTransaction mtx;
mtx.nVersion = 2;
test_simple_joinsplit_invalidity(SPROUT_BRANCH_ID, mtx);
}
{
// Switch to regtest parameters so we can activate Overwinter
SelectParams(CBaseChainParams::REGTEST);
CMutableTransaction mtx;
mtx.fOverwintered = true;
mtx.nVersionGroupId = OVERWINTER_VERSION_GROUP_ID;
mtx.nVersion = OVERWINTER_TX_VERSION;
UpdateNetworkUpgradeParameters(Consensus::UPGRADE_OVERWINTER, Consensus::NetworkUpgrade::ALWAYS_ACTIVE);
test_simple_joinsplit_invalidity(NetworkUpgradeInfo[Consensus::UPGRADE_OVERWINTER].nBranchId, mtx);
UpdateNetworkUpgradeParameters(Consensus::UPGRADE_OVERWINTER, Consensus::NetworkUpgrade::NO_ACTIVATION_HEIGHT);
// Test Sapling things
mtx.nVersionGroupId = SAPLING_VERSION_GROUP_ID;
mtx.nVersion = SAPLING_TX_VERSION;
UpdateNetworkUpgradeParameters(Consensus::UPGRADE_SAPLING, Consensus::NetworkUpgrade::ALWAYS_ACTIVE);
test_simple_sapling_invalidity(NetworkUpgradeInfo[Consensus::UPGRADE_SAPLING].nBranchId, mtx);
UpdateNetworkUpgradeParameters(Consensus::UPGRADE_SAPLING, Consensus::NetworkUpgrade::NO_ACTIVATION_HEIGHT);
// Switch back to mainnet parameters as originally selected in test fixture
SelectParams(CBaseChainParams::MAIN);
}
}
// Parameterized testing over consensus branch ids
BOOST_DATA_TEST_CASE(test_Get, boost::unit_test::data::xrange(static_cast<int>(Consensus::MAX_NETWORK_UPGRADES)))
{
uint32_t consensusBranchId = NetworkUpgradeInfo[sample].nBranchId;
CBasicKeyStore keystore;
CCoinsView coinsDummy;
CCoinsViewCache coins(&coinsDummy);
std::vector<CMutableTransaction> dummyTransactions = SetupDummyInputs(keystore, coins);
CMutableTransaction t1;
t1.vin.resize(3);
t1.vin[0].prevout.hash = dummyTransactions[0].GetHash();
t1.vin[0].prevout.n = 1;
t1.vin[0].scriptSig << std::vector<unsigned char>(65, 0);
t1.vin[1].prevout.hash = dummyTransactions[1].GetHash();
t1.vin[1].prevout.n = 0;
t1.vin[1].scriptSig << std::vector<unsigned char>(65, 0) << std::vector<unsigned char>(33, 4);
t1.vin[2].prevout.hash = dummyTransactions[1].GetHash();
t1.vin[2].prevout.n = 1;
t1.vin[2].scriptSig << std::vector<unsigned char>(65, 0) << std::vector<unsigned char>(33, 4);
t1.vout.resize(2);
t1.vout[0].nValue = 90*CENT;
t1.vout[0].scriptPubKey << OP_1;
BOOST_CHECK(AreInputsStandard(t1, coins, consensusBranchId));
BOOST_CHECK_EQUAL(coins.GetValueIn(t1), (50+21+22)*CENT);
// Adding extra junk to the scriptSig should make it non-standard:
t1.vin[0].scriptSig << OP_11;
BOOST_CHECK(!AreInputsStandard(t1, coins, consensusBranchId));
// ... as should not having enough:
t1.vin[0].scriptSig = CScript();
BOOST_CHECK(!AreInputsStandard(t1, coins, consensusBranchId));
}
BOOST_AUTO_TEST_CASE(test_big_overwinter_transaction) {
uint32_t consensusBranchId = NetworkUpgradeInfo[Consensus::UPGRADE_OVERWINTER].nBranchId;
CMutableTransaction mtx;
mtx.fOverwintered = true;
mtx.nVersion = OVERWINTER_TX_VERSION;
mtx.nVersionGroupId = OVERWINTER_VERSION_GROUP_ID;
CKey key;
key.MakeNewKey(false);
CBasicKeyStore keystore;
keystore.AddKeyPubKey(key, key.GetPubKey());
CKeyID hash = key.GetPubKey().GetID();
CScript scriptPubKey = GetScriptForDestination(hash);
vector<int> sigHashes;
sigHashes.push_back(SIGHASH_NONE | SIGHASH_ANYONECANPAY);
sigHashes.push_back(SIGHASH_SINGLE | SIGHASH_ANYONECANPAY);
sigHashes.push_back(SIGHASH_ALL | SIGHASH_ANYONECANPAY);
sigHashes.push_back(SIGHASH_NONE);
sigHashes.push_back(SIGHASH_SINGLE);
sigHashes.push_back(SIGHASH_ALL);
// create a big transaction of 4500 inputs signed by the same key
for(uint32_t ij = 0; ij < 4500; ij++) {
uint32_t i = mtx.vin.size();
uint256 prevId;
prevId.SetHex("0000000000000000000000000000000000000000000000000000000000000100");
COutPoint outpoint(prevId, i);
mtx.vin.resize(mtx.vin.size() + 1);
mtx.vin[i].prevout = outpoint;
mtx.vin[i].scriptSig = CScript();
mtx.vout.resize(mtx.vout.size() + 1);
mtx.vout[i].nValue = 1000;
mtx.vout[i].scriptPubKey = CScript() << OP_1;
}
// sign all inputs
for(uint32_t i = 0; i < mtx.vin.size(); i++) {
bool hashSigned = SignSignature(keystore, scriptPubKey, mtx, i, 1000, sigHashes.at(i % sigHashes.size()), consensusBranchId);
assert(hashSigned);
}
CTransaction tx;
CDataStream ssout(SER_NETWORK, PROTOCOL_VERSION);
ssout << mtx;
ssout >> tx;
// check all inputs concurrently, with the cache
PrecomputedTransactionData txdata(tx);
boost::thread_group threadGroup;
CCheckQueue<CScriptCheck> scriptcheckqueue(128);
CCheckQueueControl<CScriptCheck> control(&scriptcheckqueue);
for (int i=0; i<20; i++)
threadGroup.create_thread(boost::bind(&CCheckQueue<CScriptCheck>::Thread, boost::ref(scriptcheckqueue)));
CCoins coins;
coins.nVersion = 1;
coins.fCoinBase = false;
for(uint32_t i = 0; i < mtx.vin.size(); i++) {
CTxOut txout;
txout.nValue = 1000;
txout.scriptPubKey = scriptPubKey;
coins.vout.push_back(txout);
}
for(uint32_t i = 0; i < mtx.vin.size(); i++) {
std::vector<CScriptCheck> vChecks;
CScriptCheck check(coins, tx, i, SCRIPT_VERIFY_P2SH, false, consensusBranchId, &txdata);
vChecks.push_back(CScriptCheck());
check.swap(vChecks.back());
control.Add(vChecks);
}
bool controlCheck = control.Wait();
assert(controlCheck);
threadGroup.interrupt_all();
threadGroup.join_all();
}
BOOST_AUTO_TEST_CASE(test_IsStandard)
{
LOCK(cs_main);
CBasicKeyStore keystore;
CCoinsView coinsDummy;
CCoinsViewCache coins(&coinsDummy);
std::vector<CMutableTransaction> dummyTransactions = SetupDummyInputs(keystore, coins);
CMutableTransaction t;
t.vin.resize(1);
t.vin[0].prevout.hash = dummyTransactions[0].GetHash();
t.vin[0].prevout.n = 1;
t.vin[0].scriptSig << std::vector<unsigned char>(65, 0);
t.vout.resize(1);
t.vout[0].nValue = 90*CENT;
CKey key;
key.MakeNewKey(true);
t.vout[0].scriptPubKey = GetScriptForDestination(key.GetPubKey().GetID());
string reason;
BOOST_CHECK(IsStandardTx(t, reason));
t.vout[0].nValue = 53; // dust
BOOST_CHECK(!IsStandardTx(t, reason));
t.vout[0].nValue = 2730; // not dust
BOOST_CHECK(IsStandardTx(t, reason));
t.vout[0].scriptPubKey = CScript() << OP_1;
BOOST_CHECK(!IsStandardTx(t, reason));
// 80-byte TX_NULL_DATA (standard)
t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
BOOST_CHECK(IsStandardTx(t, reason));
// 81-byte TX_NULL_DATA (non-standard)
t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3800");
BOOST_CHECK(!IsStandardTx(t, reason));
// TX_NULL_DATA w/o PUSHDATA
t.vout.resize(1);
t.vout[0].scriptPubKey = CScript() << OP_RETURN;
BOOST_CHECK(IsStandardTx(t, reason));
// Only one TX_NULL_DATA permitted in all cases
t.vout.resize(2);
t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
t.vout[1].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
BOOST_CHECK(!IsStandardTx(t, reason));
t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
t.vout[1].scriptPubKey = CScript() << OP_RETURN;
BOOST_CHECK(!IsStandardTx(t, reason));
t.vout[0].scriptPubKey = CScript() << OP_RETURN;
t.vout[1].scriptPubKey = CScript() << OP_RETURN;
BOOST_CHECK(!IsStandardTx(t, reason));
}
BOOST_AUTO_TEST_CASE(test_IsStandardV2)
{
LOCK(cs_main);
CBasicKeyStore keystore;
CCoinsView coinsDummy;
CCoinsViewCache coins(&coinsDummy);
std::vector<CMutableTransaction> dummyTransactions = SetupDummyInputs(keystore, coins);
CMutableTransaction t;
t.vin.resize(1);
t.vin[0].prevout.hash = dummyTransactions[0].GetHash();
t.vin[0].prevout.n = 1;
t.vin[0].scriptSig << std::vector<unsigned char>(65, 0);
t.vout.resize(1);
t.vout[0].nValue = 90*CENT;
CKey key;
key.MakeNewKey(true);
t.vout[0].scriptPubKey = GetScriptForDestination(key.GetPubKey().GetID());
string reason;
// A v2 transaction with no JoinSplits is still standard.
t.nVersion = 2;
BOOST_CHECK(IsStandardTx(t, reason));
// ... and with one JoinSplit.
t.vjoinsplit.push_back(JSDescription());
BOOST_CHECK(IsStandardTx(t, reason));
// ... and when that JoinSplit takes from a transparent input.
JSDescription *jsdesc = &t.vjoinsplit[0];
jsdesc->vpub_old = 10*CENT;
t.vout[0].nValue -= 10*CENT;
BOOST_CHECK(IsStandardTx(t, reason));
// A v2 transaction with JoinSplits but no transparent inputs is standard.
jsdesc->vpub_old = 0;
jsdesc->vpub_new = 100*CENT;
t.vout[0].nValue = 90*CENT;
t.vin.resize(0);
BOOST_CHECK(IsStandardTx(t, reason));
// v2 transactions can still be non-standard for the same reasons as v1.
t.vout[0].nValue = 53; // dust
BOOST_CHECK(!IsStandardTx(t, reason));
// v3 is not standard.
t.nVersion = 3;
t.vout[0].nValue = 90*CENT;
BOOST_CHECK(!IsStandardTx(t, reason));
}
BOOST_AUTO_TEST_SUITE_END()