danicoin/tests/unit_tests/INodeStubs.cpp
2015-04-06 17:13:07 +01:00

287 lines
9.4 KiB
C++

// Copyright (c) 2012-2014, 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/>.
#include "INodeStubs.h"
#include "cryptonote_core/cryptonote_format_utils.h"
#include "wallet/WalletErrors.h"
#include <functional>
#include <thread>
#include <iterator>
#include <cassert>
#include <unordered_set>
#include "crypto/crypto.h"
namespace {
class ContextCounterHolder {
public:
ContextCounterHolder(CryptoNote::WalletAsyncContextCounter& shutdowner) : m_shutdowner(shutdowner) {}
~ContextCounterHolder() { m_shutdowner.delAsyncContext(); }
private:
CryptoNote::WalletAsyncContextCounter& m_shutdowner;
};
}
void INodeDummyStub::updateObservers() {
observerManager.notify(&CryptoNote::INodeObserver::lastKnownBlockHeightUpdated, getLastKnownBlockHeight());
}
bool INodeDummyStub::addObserver(CryptoNote::INodeObserver* observer) {
return observerManager.add(observer);
}
bool INodeDummyStub::removeObserver(CryptoNote::INodeObserver* observer) {
return observerManager.remove(observer);
}
void INodeTrivialRefreshStub::getNewBlocks(std::list<crypto::hash>&& knownBlockIds, std::list<cryptonote::block_complete_entry>& newBlocks, uint64_t& startHeight, const Callback& callback)
{
m_asyncCounter.addAsyncContext();
std::thread task(std::bind(&INodeTrivialRefreshStub::doGetNewBlocks, this, std::move(knownBlockIds), std::ref(newBlocks), std::ref(startHeight), callback));
task.detach();
}
void INodeTrivialRefreshStub::doGetNewBlocks(std::list<crypto::hash> knownBlockIds, std::list<cryptonote::block_complete_entry>& newBlocks, uint64_t& startHeight, const Callback& callback)
{
ContextCounterHolder counterHolder(m_asyncCounter);
std::unique_lock<std::mutex> lock(m_multiWalletLock);
auto& blockchain = m_blockchainGenerator.getBlockchain();
std::vector<cryptonote::Block>::iterator start = blockchain.end();
for (const auto& id : knownBlockIds) {
start = std::find_if(blockchain.begin(), blockchain.end(),
[&id](cryptonote::Block& block) { return get_block_hash(block) == id; });
if (start != blockchain.end())
break;
}
if (start == blockchain.end()) {
callback(std::error_code());
return;
}
m_lastHeight = std::distance(blockchain.begin(), start);
startHeight = m_lastHeight;
for (; m_lastHeight < blockchain.size(); ++m_lastHeight)
{
cryptonote::block_complete_entry e;
e.block = cryptonote::t_serializable_object_to_blob(blockchain[m_lastHeight]);
for (auto hash : blockchain[m_lastHeight].txHashes)
{
cryptonote::Transaction tx;
if (!m_blockchainGenerator.getTransactionByHash(hash, tx))
continue;
e.txs.push_back(t_serializable_object_to_blob(tx));
}
newBlocks.push_back(e);
if (newBlocks.size() >= m_getMaxBlocks) {
break;
}
}
m_lastHeight = startHeight + newBlocks.size();
// m_lastHeight = startHeight + blockchain.size() - 1;
callback(std::error_code());
}
void INodeTrivialRefreshStub::getTransactionOutsGlobalIndices(const crypto::hash& transactionHash, std::vector<uint64_t>& outsGlobalIndices, const Callback& callback)
{
m_asyncCounter.addAsyncContext();
std::unique_lock<std::mutex> lock(m_multiWalletLock);
calls_getTransactionOutsGlobalIndices.push_back(transactionHash);
std::thread task(&INodeTrivialRefreshStub::doGetTransactionOutsGlobalIndices, this, transactionHash, std::ref(outsGlobalIndices), callback);
task.detach();
}
void INodeTrivialRefreshStub::doGetTransactionOutsGlobalIndices(const crypto::hash& transactionHash, std::vector<uint64_t>& outsGlobalIndices, const Callback& callback)
{
ContextCounterHolder counterHolder(m_asyncCounter);
std::unique_lock<std::mutex> lock(m_multiWalletLock);
cryptonote::Transaction tx;
if (m_blockchainGenerator.getTransactionByHash(transactionHash, tx)) {
outsGlobalIndices.resize(tx.vout.size());
} else {
outsGlobalIndices.resize(20); //random
}
callback(std::error_code());
}
void INodeTrivialRefreshStub::relayTransaction(const cryptonote::Transaction& transaction, const Callback& callback)
{
m_asyncCounter.addAsyncContext();
std::thread task(&INodeTrivialRefreshStub::doRelayTransaction, this, transaction, callback);
task.detach();
}
void INodeTrivialRefreshStub::doRelayTransaction(const cryptonote::Transaction& transaction, const Callback& callback)
{
ContextCounterHolder counterHolder(m_asyncCounter);
std::unique_lock<std::mutex> lock(m_multiWalletLock);
if (m_nextTxError)
{
m_nextTxError = false;
callback(make_error_code(cryptonote::error::INTERNAL_WALLET_ERROR));
return;
}
if (m_nextTxToPool) {
m_nextTxToPool = false;
m_blockchainGenerator.putTxToPool(transaction);
callback(std::error_code());
return;
}
m_blockchainGenerator.addTxToBlockchain(transaction);
callback(std::error_code());
}
void INodeTrivialRefreshStub::getRandomOutsByAmounts(std::vector<uint64_t>&& amounts, uint64_t outsCount, std::vector<cryptonote::COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount>& result, const Callback& callback)
{
m_asyncCounter.addAsyncContext();
std::thread task(&INodeTrivialRefreshStub::doGetRandomOutsByAmounts, this, amounts, outsCount, std::ref(result), callback);
task.detach();
}
void INodeTrivialRefreshStub::doGetRandomOutsByAmounts(std::vector<uint64_t> amounts, uint64_t outsCount, std::vector<cryptonote::COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount>& result, const Callback& callback)
{
ContextCounterHolder counterHolder(m_asyncCounter);
std::unique_lock<std::mutex> lock(m_multiWalletLock);
for (uint64_t amount: amounts)
{
cryptonote::COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount out;
out.amount = amount;
for (uint64_t i = 0; i < outsCount; ++i)
{
crypto::public_key key;
crypto::secret_key sk;
generate_keys(key, sk);
cryptonote::COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::out_entry e;
e.global_amount_index = i;
e.out_key = key;
out.outs.push_back(e);
}
}
callback(std::error_code());
}
void INodeTrivialRefreshStub::queryBlocks(std::list<crypto::hash>&& knownBlockIds, uint64_t timestamp,
std::list<CryptoNote::BlockCompleteEntry>& newBlocks, uint64_t& startHeight, const Callback& callback) {
auto resultHolder = std::make_shared<std::list<cryptonote::block_complete_entry>>();
getNewBlocks(std::move(knownBlockIds), *resultHolder, startHeight, [resultHolder, callback, &startHeight, &newBlocks](std::error_code ec)
{
if (ec == std::error_code()) {
for (const auto& item : *resultHolder) {
CryptoNote::BlockCompleteEntry entry;
cryptonote::Block block;
cryptonote::parse_and_validate_block_from_blob(item.block, block);
entry.blockHash = cryptonote::get_block_hash(block);
entry.block = item.block;
entry.txs = std::move(item.txs);
newBlocks.push_back(std::move(entry));
}
}
callback(ec);
});
}
void INodeTrivialRefreshStub::startAlternativeChain(uint64_t height)
{
std::vector<cryptonote::Block>& blockchain = m_blockchainGenerator.getBlockchain();
assert(height < blockchain.size());
//assert(height > m_lastHeight);
auto it = blockchain.begin();
std::advance(it, height);
blockchain.erase(it, blockchain.end());
m_lastHeight = height;
}
void INodeTrivialRefreshStub::setNextTransactionError()
{
m_nextTxError = true;
}
void INodeTrivialRefreshStub::setNextTransactionToPool() {
m_nextTxToPool = true;
}
void INodeTrivialRefreshStub::getPoolSymmetricDifference(std::vector<crypto::hash>&& known_pool_tx_ids, crypto::hash known_block_id, bool& is_bc_actual,
std::vector<cryptonote::Transaction>& new_txs, std::vector<crypto::hash>& deleted_tx_ids, const Callback& callback)
{
m_asyncCounter.addAsyncContext();
std::thread task(
std::bind(&INodeTrivialRefreshStub::doGetPoolSymmetricDifference, this,
std::move(known_pool_tx_ids),
known_block_id,
std::ref(is_bc_actual),
std::ref(new_txs),
std::ref(deleted_tx_ids),
callback
)
);
task.detach();
}
void INodeTrivialRefreshStub::doGetPoolSymmetricDifference(std::vector<crypto::hash>& known_pool_tx_ids, crypto::hash known_block_id, bool& is_bc_actual,
std::vector<cryptonote::Transaction>& new_txs, std::vector<crypto::hash>& deleted_tx_ids, const Callback& callback)
{
ContextCounterHolder counterHolder(m_asyncCounter);
std::unique_lock<std::mutex> lock(m_multiWalletLock);
m_blockchainGenerator.getPoolSymmetricDifference(std::move(known_pool_tx_ids), known_block_id, is_bc_actual, new_txs, deleted_tx_ids);
callback(std::error_code());
}
void INodeTrivialRefreshStub::includeTransactionsFromPoolToBlock() {
m_blockchainGenerator.putTxPoolToBlockchain();
}
INodeTrivialRefreshStub::~INodeTrivialRefreshStub() {
m_asyncCounter.waitAsyncContextsFinish();
}