danicoin/tests/TransfersTests/Tests.cpp

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// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
//
// This file is part of Bytecoin.
//
// Bytecoin is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Bytecoin is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
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#include "Globals.h"
#include "CryptoNoteCore/Account.h"
#include "CryptoNoteCore/CryptoNoteFormatUtils.h"
#include "CryptoNoteCore/CryptoNoteTools.h"
#include "CryptoNoteCore/TransactionApi.h"
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#include "Transfers/TransfersSynchronizer.h"
#include "Transfers/BlockchainSynchronizer.h"
#include <mutex>
#include <condition_variable>
#include <future>
#include <atomic>
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#include "../IntegrationTestLib/TestWalletLegacy.h"
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using namespace CryptoNote;
using namespace Crypto;
using namespace Tests::Common;
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class IInterruptable {
public:
virtual void interrupt() = 0;
};
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class WalletLegacyObserver : public IWalletLegacyObserver {
public:
virtual void actualBalanceUpdated(uint64_t actualBalance) {
std::cout << "Actual balance updated = " << currency.formatAmount(actualBalance) << std::endl;
m_actualBalance = actualBalance;
m_sem.notify();
}
virtual void sendTransactionCompleted(TransactionId transactionId, std::error_code result) {
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std::cout << "Transaction sent, result = " << result << std::endl;
}
std::atomic<uint64_t> m_actualBalance;
Tests::Common::Semaphore m_sem;
};
class TransactionConsumer : public IBlockchainConsumer {
public:
TransactionConsumer() {
syncStart.timestamp = time(nullptr);
syncStart.height = 0;
}
virtual SynchronizationStart getSyncStart() override {
return syncStart;
}
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virtual void onBlockchainDetach(uint32_t height) override {
std::lock_guard<std::mutex> lk(m_mutex);
auto it = m_transactions.lower_bound(height);
m_transactions.erase(it, m_transactions.end());
}
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virtual bool onNewBlocks(const CompleteBlock* blocks, uint32_t startHeight, uint32_t count) override {
std::lock_guard<std::mutex> lk(m_mutex);
for(size_t i = 0; i < count; ++i) {
for (const auto& tx : blocks[i].transactions) {
m_transactions[startHeight + i].insert(tx->getTransactionHash());
}
}
m_cv.notify_all();
return true;
}
bool waitForTransaction(const Hash& txHash) {
std::unique_lock<std::mutex> lk(m_mutex);
while (!hasTransaction(txHash)) {
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m_cv.wait_for(lk, std::chrono::seconds(1));
}
return true;
}
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std::error_code onPoolUpdated(const std::vector<std::unique_ptr<ITransactionReader>>& addedTransactions, const std::vector<Crypto::Hash>& deletedTransactions) override {
//stub
return std::error_code();
}
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const std::unordered_set<Crypto::Hash>& getKnownPoolTxIds() const override {
//stub
static std::unordered_set<Crypto::Hash> empty;
return empty;
}
std::error_code addUnconfirmedTransaction(const ITransactionReader& /*transaction*/) override {
throw std::runtime_error("Not implemented");
}
void removeUnconfirmedTransaction(const Crypto::Hash& /*transactionHash*/) override {
throw std::runtime_error("Not implemented");
}
virtual void addObserver(IBlockchainConsumerObserver* observer) override {
//stub
}
virtual void removeObserver(IBlockchainConsumerObserver* observer) override {
//stub
}
private:
bool hasTransaction(const Hash& txHash) {
for (const auto& kv : m_transactions) {
if (kv.second.count(txHash) > 0)
return true;
}
return false;
}
std::mutex m_mutex;
std::condition_variable m_cv;
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std::map<uint64_t, std::unordered_set<Hash>> m_transactions;
SynchronizationStart syncStart;
};
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class TransfersObserver : public ITransfersObserver, public IInterruptable {
public:
virtual void onTransactionUpdated(ITransfersSubscription* object, const Hash& transactionHash) override {
{
std::lock_guard<std::mutex> lk(m_mutex);
m_transfers.push_back(transactionHash);
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auto key = object->getAddress().spendPublicKey;
std::string address = Common::toHex(&key, sizeof(key));
LOG_DEBUG("Transfer to " + address);
}
m_cv.notify_all();
}
bool waitTransfer() {
std::unique_lock<std::mutex> lk(m_mutex);
size_t prevSize = m_transfers.size();
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while (!m_interrupted && m_transfers.size() == prevSize) {
m_cv.wait_for(lk, std::chrono::seconds(10));
}
return true;
}
bool waitTransactionTransfer(const Hash& transactionHash) {
std::unique_lock<std::mutex> lk(m_mutex);
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while (!m_interrupted) {
auto it = std::find(m_transfers.begin(), m_transfers.end(), transactionHash);
if (it == m_transfers.end()) {
m_cv.wait_for(lk, std::chrono::seconds(10));
} else {
m_transfers.erase(it);
break;
}
}
return true;
}
private:
bool hasTransaction(const Hash& transactionHash) {
return std::find(m_transfers.begin(), m_transfers.end(), transactionHash) != m_transfers.end();
}
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void interrupt() override {
std::lock_guard<std::mutex> lock(m_mutex);
m_interrupted = true;
m_cv.notify_all();
}
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private:
std::mutex m_mutex;
std::condition_variable m_cv;
std::vector<Hash> m_transfers;
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bool m_interrupted = false;
};
class AccountGroup {
public:
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enum {
TRANSACTION_SPENDABLE_AGE = 5
};
AccountGroup(ITransfersSynchronizer& sync) :
m_sync(sync) {}
void generateAccounts(size_t count) {
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CryptoNote::AccountBase acc;
while (count--) {
acc.generate();
AccountSubscription sub;
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sub.keys = reinterpret_cast<const AccountKeys&>(acc.getAccountKeys());
sub.syncStart.timestamp = 0;
sub.syncStart.height = 0;
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sub.transactionSpendableAge = TRANSACTION_SPENDABLE_AGE;
m_accounts.push_back(sub);
m_addresses.push_back(currency.accountAddressAsString(acc));
}
}
void subscribeAll() {
m_observers.reset(new TransfersObserver[m_accounts.size()]);
for (size_t i = 0; i < m_accounts.size(); ++i) {
m_sync.addSubscription(m_accounts[i]).addObserver(&m_observers[i]);
}
}
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std::vector<AccountPublicAddress> getAddresses() {
std::vector<AccountPublicAddress> addr;
for (const auto& acc : m_accounts) {
addr.push_back(acc.keys.address);
}
return addr;
}
ITransfersContainer& getTransfers(size_t idx) {
return m_sync.getSubscription(m_accounts[idx].keys.address)->getContainer();
}
std::vector<AccountSubscription> m_accounts;
std::vector<std::string> m_addresses;
ITransfersSynchronizer& m_sync;
std::unique_ptr<TransfersObserver[]> m_observers;
};
class MultisignatureTest : public TransfersTest {
public:
virtual void SetUp() override {
launchTestnet(2);
}
};
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template <typename R>
class FutureGuard {
public:
FutureGuard(std::future<R>&& f) : m_future(std::move(f)) {
}
~FutureGuard() {
if (m_future.valid()) {
try {
m_future.get();
} catch (...) {
}
}
}
R get() {
return m_future.get();
}
private:
std::future<R> m_future;
};
class Interrupter {
public:
Interrupter(IInterruptable& interrpuptable) : m_interrpuptable(interrpuptable) {
}
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~Interrupter() {
if (!m_cancelled) {
m_interrpuptable.interrupt();
}
}
void cancel() {
m_cancelled = true;
}
private:
IInterruptable& m_interrpuptable;
bool m_cancelled = false;
};
TEST_F(TransfersTest, base) {
uint64_t TRANSFER_AMOUNT;
currency.parseAmount("500000.5", TRANSFER_AMOUNT);
launchTestnet(2);
std::unique_ptr<CryptoNote::INode> node1;
std::unique_ptr<CryptoNote::INode> node2;
nodeDaemons[0]->makeINode(node1);
nodeDaemons[1]->makeINode(node2);
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CryptoNote::AccountBase dstAcc;
dstAcc.generate();
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AccountKeys dstKeys = reinterpret_cast<const AccountKeys&>(dstAcc.getAccountKeys());
BlockchainSynchronizer blockSync(*node2.get(), currency.genesisBlockHash());
TransfersSyncronizer transferSync(currency, blockSync, *node2.get());
TransfersObserver transferObserver;
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WalletLegacyObserver walletObserver;
AccountSubscription sub;
sub.syncStart.timestamp = 0;
sub.syncStart.height = 0;
sub.keys = dstKeys;
sub.transactionSpendableAge = 5;
ITransfersSubscription& transferSub = transferSync.addSubscription(sub);
ITransfersContainer& transferContainer = transferSub.getContainer();
transferSub.addObserver(&transferObserver);
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Tests::Common::TestWalletLegacy wallet1(m_dispatcher, m_currency, *node1);
ASSERT_FALSE(static_cast<bool>(wallet1.init()));
wallet1.wallet()->addObserver(&walletObserver);
ASSERT_TRUE(mineBlocks(*nodeDaemons[0], wallet1.address(), 1));
ASSERT_TRUE(mineBlocks(*nodeDaemons[0], wallet1.address(), currency.minedMoneyUnlockWindow()));
wallet1.waitForSynchronizationToHeight(static_cast<uint32_t>(2 + currency.minedMoneyUnlockWindow()));
// start syncing and wait for a transfer
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FutureGuard<bool> waitFuture(std::async(std::launch::async, [&transferObserver] { return transferObserver.waitTransfer(); }));
Interrupter transferObserverInterrupter(transferObserver);
blockSync.start();
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Hash txId;
ASSERT_FALSE(static_cast<bool>(wallet1.sendTransaction(currency.accountAddressAsString(dstAcc), TRANSFER_AMOUNT, txId)));
ASSERT_TRUE(mineBlocks(*nodeDaemons[0], wallet1.address(), 1));
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ASSERT_TRUE(waitFuture.get());
transferObserverInterrupter.cancel();
std::cout << "Received transfer: " << currency.formatAmount(transferContainer.balance(ITransfersContainer::IncludeAll)) << std::endl;
ASSERT_EQ(TRANSFER_AMOUNT, transferContainer.balance(ITransfersContainer::IncludeAll));
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ASSERT_GT(transferContainer.getTransactionOutputs(txId, ITransfersContainer::IncludeAll).size(), 0);
blockSync.stop();
}
std::unique_ptr<ITransaction> createTransferToMultisignature(
ITransfersContainer& tc, // money source
uint64_t amount,
uint64_t fee,
const AccountKeys& senderKeys,
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const std::vector<AccountPublicAddress>& recipients,
uint32_t requiredSignatures) {
std::vector<TransactionOutputInformation> transfers;
tc.getOutputs(transfers, ITransfersContainer::IncludeAllUnlocked | ITransfersContainer::IncludeStateSoftLocked);
auto tx = createTransaction();
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std::vector<std::pair<TransactionTypes::InputKeyInfo, KeyPair>> inputs;
uint64_t foundMoney = 0;
for (const auto& t : transfers) {
TransactionTypes::InputKeyInfo info;
info.amount = t.amount;
TransactionTypes::GlobalOutput globalOut;
globalOut.outputIndex = t.globalOutputIndex;
globalOut.targetKey = t.outputKey;
info.outputs.push_back(globalOut);
info.realOutput.outputInTransaction = t.outputInTransaction;
info.realOutput.transactionIndex = 0;
info.realOutput.transactionPublicKey = t.transactionPublicKey;
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KeyPair kp;
tx->addInput(senderKeys, info, kp);
inputs.push_back(std::make_pair(info, kp));
foundMoney += info.amount;
if (foundMoney >= amount + fee) {
break;
}
}
// output to receiver
tx->addOutput(amount, recipients, requiredSignatures);
// change
uint64_t change = foundMoney - amount - fee;
if (change) {
tx->addOutput(change, senderKeys.address);
}
for (size_t inputIdx = 0; inputIdx < inputs.size(); ++inputIdx) {
tx->signInputKey(inputIdx, inputs[inputIdx].first, inputs[inputIdx].second);
}
return tx;
}
std::error_code submitTransaction(INode& node, ITransactionReader& tx) {
auto data = tx.getTransactionData();
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CryptoNote::Transaction outTx;
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fromBinaryArray(outTx, data);
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LOG_DEBUG("Submitting transaction " + Common::toHex(tx.getTransactionHash().data, 32));
std::promise<std::error_code> result;
node.relayTransaction(outTx, [&result](std::error_code ec) { result.set_value(ec); });
auto err = result.get_future().get();
if (err) {
LOG_DEBUG("Error: " + err.message());
} else {
LOG_DEBUG("Submitted successfully");
}
return err;
}
std::unique_ptr<ITransaction> createTransferFromMultisignature(
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AccountGroup& consilium, const AccountPublicAddress& receiver, const Hash& txHash, uint64_t amount, uint64_t fee) {
auto& tc = consilium.getTransfers(0);
std::vector<TransactionOutputInformation> transfers = tc.getTransactionOutputs(txHash,
ITransfersContainer::IncludeTypeMultisignature |
ITransfersContainer::IncludeStateSoftLocked |
ITransfersContainer::IncludeStateUnlocked);
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EXPECT_FALSE(transfers.empty());
const TransactionOutputInformation& out = transfers[0];
auto tx = createTransaction();
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MultisignatureInput msigInput;
msigInput.amount = out.amount;
msigInput.outputIndex = out.globalOutputIndex;
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msigInput.signatureCount = out.requiredSignatures;
tx->addInput(msigInput);
tx->addOutput(amount, receiver);
uint64_t change = out.amount - amount - fee;
tx->addOutput(change, consilium.getAddresses(), out.requiredSignatures);
for (size_t i = 0; i < out.requiredSignatures; ++i) {
tx->signInputMultisignature(0, out.transactionPublicKey, out.outputInTransaction, consilium.m_accounts[i].keys);
}
return tx;
}
TEST_F(MultisignatureTest, createMulitisignatureTransaction) {
std::unique_ptr<CryptoNote::INode> node1;
std::unique_ptr<CryptoNote::INode> node2;
nodeDaemons[0]->makeINode(node1);
nodeDaemons[1]->makeINode(node2);
BlockchainSynchronizer blockSync(*node2.get(), currency.genesisBlockHash());
TransfersSyncronizer transferSync(currency, blockSync, *node2.get());
// add transaction collector
TransactionConsumer txConsumer;
blockSync.addConsumer(&txConsumer);
AccountGroup sender(transferSync);
AccountGroup consilium(transferSync);
sender.generateAccounts(1);
sender.subscribeAll();
consilium.generateAccounts(3);
consilium.subscribeAll();
auto senderSubscription = transferSync.getSubscription(sender.m_accounts[0].keys.address);
auto& senderContainer = senderSubscription->getContainer();
blockSync.start();
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AccountPublicAddress senderAddress;
ASSERT_TRUE(currency.parseAccountAddressString(sender.m_addresses[0], senderAddress));
ASSERT_TRUE(mineBlocks(*nodeDaemons[0], senderAddress, 1 + currency.minedMoneyUnlockWindow()));
// wait for incoming transfer
while (senderContainer.balance() == 0) {
sender.m_observers[0].waitTransfer();
auto unlockedBalance = senderContainer.balance(ITransfersContainer::IncludeAllUnlocked | ITransfersContainer::IncludeStateSoftLocked);
auto totalBalance = senderContainer.balance(ITransfersContainer::IncludeAll);
LOG_DEBUG("Balance: " + currency.formatAmount(unlockedBalance) + " (" + currency.formatAmount(totalBalance) + ")");
}
uint64_t fundBalance = 0;
for (int iteration = 1; iteration <= 3; ++iteration) {
LOG_DEBUG("***** Iteration " + std::to_string(iteration) + " ******");
auto sendAmount = senderContainer.balance() / 2;
LOG_DEBUG("Creating transaction with amount = " + currency.formatAmount(sendAmount));
auto tx2msig = createTransferToMultisignature(
senderContainer, sendAmount, currency.minimumFee(), sender.m_accounts[0].keys, consilium.getAddresses(), 3);
auto txHash = tx2msig->getTransactionHash();
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// Use node1, in order to tx will be in its pool when next block is being created
auto err = submitTransaction(*node1, *tx2msig);
ASSERT_EQ(std::error_code(), err);
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ASSERT_TRUE(mineBlocks(*nodeDaemons[0], senderAddress, 1));
LOG_DEBUG("Waiting for transaction to be included in block...");
txConsumer.waitForTransaction(txHash);
LOG_DEBUG("Transaction in blockchain, waiting for observers to receive transaction...");
uint64_t expectedFundBalance = fundBalance + sendAmount;
// wait for consilium to receive the transfer
for (size_t i = 0; i < consilium.m_accounts.size(); ++i) {
auto& observer = consilium.m_observers[i];
auto sub = transferSync.getSubscription(consilium.m_accounts[i].keys.address);
ASSERT_TRUE(sub != nullptr);
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while (true) {
observer.waitTransactionTransfer(txHash);
uint64_t unlockedBalance = sub->getContainer().balance(ITransfersContainer::IncludeTypeMultisignature |
ITransfersContainer::IncludeStateSoftLocked | ITransfersContainer::IncludeStateUnlocked);
if (unlockedBalance == expectedFundBalance) {
break;
}
}
}
LOG_DEBUG("Creating transaction to spend multisignature output");
uint64_t returnAmount = sendAmount / 2;
auto spendMsigTx = createTransferFromMultisignature(
consilium, sender.m_accounts[0].keys.address, txHash, returnAmount, currency.minimumFee());
auto spendMsigTxHash = spendMsigTx->getTransactionHash();
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err = submitTransaction(*node1, *spendMsigTx);
ASSERT_EQ(std::error_code(), err);
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ASSERT_TRUE(mineBlocks(*nodeDaemons[0], senderAddress, 1));
LOG_DEBUG("Waiting for transaction to be included in block...");
txConsumer.waitForTransaction(spendMsigTxHash);
LOG_DEBUG("Checking left balances");
uint64_t leftAmount = expectedFundBalance - returnAmount - currency.minimumFee();
for (size_t i = 0; i < consilium.m_accounts.size(); ++i) {
auto& observer = consilium.m_observers[i];
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for (uint64_t unlockedBalance = leftAmount + 1; unlockedBalance != leftAmount;) {
observer.waitTransactionTransfer(spendMsigTxHash);
unlockedBalance = consilium.getTransfers(i).balance(ITransfersContainer::IncludeTypeMultisignature |
ITransfersContainer::IncludeStateSoftLocked | ITransfersContainer::IncludeStateUnlocked);
}
}
fundBalance = leftAmount;
}
blockSync.stop();
LOG_DEBUG("Success!!!");
}