446 lines
15 KiB
C++
446 lines
15 KiB
C++
// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
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//
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// This file is part of Bytecoin.
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//
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// Bytecoin is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Bytecoin is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
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#include "INodeStubs.h"
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#include "cryptonote_core/cryptonote_format_utils.h"
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#include "wallet/WalletErrors.h"
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#include <functional>
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#include <thread>
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#include <iterator>
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#include <cassert>
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#include <unordered_set>
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#include <system_error>
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#include "crypto/crypto.h"
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namespace {
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class ContextCounterHolder {
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public:
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ContextCounterHolder(CryptoNote::WalletAsyncContextCounter& shutdowner) : m_shutdowner(shutdowner) {}
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~ContextCounterHolder() { m_shutdowner.delAsyncContext(); }
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private:
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CryptoNote::WalletAsyncContextCounter& m_shutdowner;
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};
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}
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void INodeDummyStub::updateObservers() {
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observerManager.notify(&CryptoNote::INodeObserver::lastKnownBlockHeightUpdated, getLastKnownBlockHeight());
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}
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bool INodeDummyStub::addObserver(CryptoNote::INodeObserver* observer) {
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return observerManager.add(observer);
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}
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bool INodeDummyStub::removeObserver(CryptoNote::INodeObserver* observer) {
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return observerManager.remove(observer);
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}
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void INodeTrivialRefreshStub::getNewBlocks(std::list<crypto::hash>&& knownBlockIds, std::list<CryptoNote::block_complete_entry>& newBlocks, uint64_t& startHeight, const Callback& callback)
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{
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m_asyncCounter.addAsyncContext();
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std::unique_lock<std::mutex> lock(m_multiWalletLock);
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auto blockchain = m_blockchainGenerator.getBlockchainCopy();
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lock.unlock();
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std::thread task(std::bind(&INodeTrivialRefreshStub::doGetNewBlocks, this, std::move(knownBlockIds), std::ref(newBlocks),
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std::ref(startHeight), std::move(blockchain), callback));
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task.detach();
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}
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void INodeTrivialRefreshStub::doGetNewBlocks(std::list<crypto::hash> knownBlockIds, std::list<CryptoNote::block_complete_entry>& newBlocks,
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uint64_t& startHeight, std::vector<CryptoNote::Block> blockchain, const Callback& callback)
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{
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ContextCounterHolder counterHolder(m_asyncCounter);
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std::unique_lock<std::mutex> lock(m_multiWalletLock);
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std::vector<CryptoNote::Block>::iterator start = blockchain.end();
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for (const auto& id : knownBlockIds) {
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start = std::find_if(blockchain.begin(), blockchain.end(),
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[&id](CryptoNote::Block& block) { return get_block_hash(block) == id; });
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if (start != blockchain.end())
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break;
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}
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if (start == blockchain.end()) {
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lock.unlock();
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callback(std::error_code());
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return;
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}
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m_lastHeight = std::distance(blockchain.begin(), start);
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startHeight = m_lastHeight;
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for (; m_lastHeight < blockchain.size(); ++m_lastHeight)
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{
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CryptoNote::block_complete_entry e;
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e.block = CryptoNote::t_serializable_object_to_blob(blockchain[m_lastHeight]);
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for (auto hash : blockchain[m_lastHeight].txHashes)
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{
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CryptoNote::Transaction tx;
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if (!m_blockchainGenerator.getTransactionByHash(hash, tx))
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continue;
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e.txs.push_back(t_serializable_object_to_blob(tx));
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}
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newBlocks.push_back(e);
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if (newBlocks.size() >= m_getMaxBlocks) {
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break;
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}
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}
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m_lastHeight = startHeight + newBlocks.size();
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// m_lastHeight = startHeight + blockchain.size() - 1;
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lock.unlock();
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callback(std::error_code());
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}
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void INodeTrivialRefreshStub::getTransactionOutsGlobalIndices(const crypto::hash& transactionHash, std::vector<uint64_t>& outsGlobalIndices, const Callback& callback)
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{
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m_asyncCounter.addAsyncContext();
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std::unique_lock<std::mutex> lock(m_multiWalletLock);
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calls_getTransactionOutsGlobalIndices.push_back(transactionHash);
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std::thread task(&INodeTrivialRefreshStub::doGetTransactionOutsGlobalIndices, this, transactionHash, std::ref(outsGlobalIndices), callback);
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task.detach();
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}
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void INodeTrivialRefreshStub::doGetTransactionOutsGlobalIndices(const crypto::hash& transactionHash, std::vector<uint64_t>& outsGlobalIndices, const Callback& callback)
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{
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ContextCounterHolder counterHolder(m_asyncCounter);
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std::unique_lock<std::mutex> lock(m_multiWalletLock);
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CryptoNote::Transaction tx;
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if (m_blockchainGenerator.getTransactionByHash(transactionHash, tx)) {
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outsGlobalIndices.resize(tx.vout.size());
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} else {
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outsGlobalIndices.resize(20); //random
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}
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lock.unlock();
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callback(std::error_code());
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}
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void INodeTrivialRefreshStub::relayTransaction(const CryptoNote::Transaction& transaction, const Callback& callback)
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{
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m_asyncCounter.addAsyncContext();
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std::thread task(&INodeTrivialRefreshStub::doRelayTransaction, this, transaction, callback);
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task.detach();
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}
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void INodeTrivialRefreshStub::doRelayTransaction(const CryptoNote::Transaction& transaction, const Callback& callback)
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{
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ContextCounterHolder counterHolder(m_asyncCounter);
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std::unique_lock<std::mutex> lock(m_multiWalletLock);
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if (m_nextTxError)
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{
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m_nextTxError = false;
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lock.unlock();
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callback(make_error_code(CryptoNote::error::INTERNAL_WALLET_ERROR));
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return;
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}
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if (m_nextTxToPool) {
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m_nextTxToPool = false;
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m_blockchainGenerator.putTxToPool(transaction);
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lock.unlock();
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callback(std::error_code());
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return;
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}
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m_blockchainGenerator.addTxToBlockchain(transaction);
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lock.unlock();
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callback(std::error_code());
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}
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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)
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{
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m_asyncCounter.addAsyncContext();
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std::thread task(&INodeTrivialRefreshStub::doGetRandomOutsByAmounts, this, amounts, outsCount, std::ref(result), callback);
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task.detach();
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}
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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)
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{
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ContextCounterHolder counterHolder(m_asyncCounter);
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std::unique_lock<std::mutex> lock(m_multiWalletLock);
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for (uint64_t amount: amounts)
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{
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CryptoNote::COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount out;
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out.amount = amount;
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for (uint64_t i = 0; i < outsCount; ++i)
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{
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crypto::public_key key;
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crypto::secret_key sk;
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generate_keys(key, sk);
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CryptoNote::COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::out_entry e;
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e.global_amount_index = i;
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e.out_key = key;
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out.outs.push_back(e);
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}
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result.push_back(std::move(out));
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}
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lock.unlock();
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callback(std::error_code());
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}
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void INodeTrivialRefreshStub::queryBlocks(std::list<crypto::hash>&& knownBlockIds, uint64_t timestamp,
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std::list<CryptoNote::BlockCompleteEntry>& newBlocks, uint64_t& startHeight, const Callback& callback) {
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auto resultHolder = std::make_shared<std::list<CryptoNote::block_complete_entry>>();
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getNewBlocks(std::move(knownBlockIds), *resultHolder, startHeight, [resultHolder, callback, &startHeight, &newBlocks](std::error_code ec)
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{
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if (!ec) {
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for (const auto& item : *resultHolder) {
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CryptoNote::BlockCompleteEntry entry;
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CryptoNote::Block block;
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CryptoNote::parse_and_validate_block_from_blob(item.block, block);
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entry.blockHash = CryptoNote::get_block_hash(block);
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entry.block = item.block;
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entry.txs = std::move(item.txs);
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newBlocks.push_back(std::move(entry));
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}
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}
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callback(ec);
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});
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}
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void INodeTrivialRefreshStub::startAlternativeChain(uint64_t height)
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{
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m_blockchainGenerator.cutBlockchain(height);
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m_lastHeight = height;
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}
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void INodeTrivialRefreshStub::setNextTransactionError()
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{
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m_nextTxError = true;
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}
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void INodeTrivialRefreshStub::setNextTransactionToPool() {
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m_nextTxToPool = true;
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}
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void INodeTrivialRefreshStub::getPoolSymmetricDifference(std::vector<crypto::hash>&& known_pool_tx_ids, crypto::hash known_block_id, bool& is_bc_actual,
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std::vector<CryptoNote::Transaction>& new_txs, std::vector<crypto::hash>& deleted_tx_ids, const Callback& callback)
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{
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m_asyncCounter.addAsyncContext();
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std::thread task(
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std::bind(&INodeTrivialRefreshStub::doGetPoolSymmetricDifference, this,
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std::move(known_pool_tx_ids),
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known_block_id,
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std::ref(is_bc_actual),
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std::ref(new_txs),
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std::ref(deleted_tx_ids),
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callback
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)
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);
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task.detach();
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}
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void INodeTrivialRefreshStub::doGetPoolSymmetricDifference(std::vector<crypto::hash>& known_pool_tx_ids, crypto::hash known_block_id, bool& is_bc_actual,
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std::vector<CryptoNote::Transaction>& new_txs, std::vector<crypto::hash>& deleted_tx_ids, const Callback& callback)
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{
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ContextCounterHolder counterHolder(m_asyncCounter);
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std::unique_lock<std::mutex> lock(m_multiWalletLock);
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m_blockchainGenerator.getPoolSymmetricDifference(std::move(known_pool_tx_ids), known_block_id, is_bc_actual, new_txs, deleted_tx_ids);
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lock.unlock();
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callback(std::error_code());
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}
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void INodeTrivialRefreshStub::includeTransactionsFromPoolToBlock() {
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m_blockchainGenerator.putTxPoolToBlockchain();
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}
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INodeTrivialRefreshStub::~INodeTrivialRefreshStub() {
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m_asyncCounter.waitAsyncContextsFinish();
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}
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void INodeTrivialRefreshStub::getBlocks(const std::vector<uint64_t>& blockHeights, std::vector<std::vector<CryptoNote::BlockDetails>>& blocks, const Callback& callback) {
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m_asyncCounter.addAsyncContext();
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std::thread task(
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std::bind(
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static_cast<
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void(INodeTrivialRefreshStub::*)(
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const std::vector<uint64_t>&,
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std::vector<std::vector<CryptoNote::BlockDetails>>&,
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const Callback&
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)
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>(&INodeTrivialRefreshStub::doGetBlocks),
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this,
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std::cref(blockHeights),
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std::ref(blocks),
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callback
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)
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);
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task.detach();
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}
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void INodeTrivialRefreshStub::doGetBlocks(const std::vector<uint64_t>& blockHeights, std::vector<std::vector<CryptoNote::BlockDetails>>& blocks, const Callback& callback) {
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ContextCounterHolder counterHolder(m_asyncCounter);
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std::unique_lock<std::mutex> lock(m_multiWalletLock);
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for (const uint64_t& height: blockHeights) {
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if (m_blockchainGenerator.getBlockchain().size() <= height) {
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callback(std::error_code(EDOM, std::generic_category()));
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return;
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}
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CryptoNote::BlockDetails b = CryptoNote::BlockDetails();
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b.height = height;
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b.isOrphaned = false;
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crypto::hash hash = CryptoNote::get_block_hash(m_blockchainGenerator.getBlockchain()[height]);
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b.hash = reinterpret_cast<const std::array<uint8_t, 32>&>(hash);
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std::vector<CryptoNote::BlockDetails> v;
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v.push_back(b);
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blocks.push_back(v);
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}
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callback(std::error_code());
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}
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void INodeTrivialRefreshStub::getBlocks(const std::vector<crypto::hash>& blockHashes, std::vector<CryptoNote::BlockDetails>& blocks, const Callback& callback) {
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m_asyncCounter.addAsyncContext();
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std::thread task(
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std::bind(
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static_cast<
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void(INodeTrivialRefreshStub::*)(
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const std::vector<crypto::hash>&,
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std::vector<CryptoNote::BlockDetails>&,
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const Callback&
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)
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>(&INodeTrivialRefreshStub::doGetBlocks),
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this,
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std::cref(blockHashes),
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std::ref(blocks),
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callback
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)
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);
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task.detach();
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}
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void INodeTrivialRefreshStub::doGetBlocks(const std::vector<crypto::hash>& blockHashes, std::vector<CryptoNote::BlockDetails>& blocks, const Callback& callback) {
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ContextCounterHolder counterHolder(m_asyncCounter);
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std::unique_lock<std::mutex> lock(m_multiWalletLock);
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for (const crypto::hash& hash: blockHashes) {
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auto iter = std::find_if(
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m_blockchainGenerator.getBlockchain().begin(),
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m_blockchainGenerator.getBlockchain().end(),
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[&hash](const CryptoNote::Block& block) -> bool {
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return hash == CryptoNote::get_block_hash(block);
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}
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);
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if (iter == m_blockchainGenerator.getBlockchain().end()) {
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callback(std::error_code(EDOM, std::generic_category()));
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return;
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}
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CryptoNote::BlockDetails b = CryptoNote::BlockDetails();
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crypto::hash actualHash = CryptoNote::get_block_hash(*iter);
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b.hash = reinterpret_cast<const std::array<uint8_t, 32>&>(actualHash);
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b.isOrphaned = false;
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blocks.push_back(b);
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}
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callback(std::error_code());
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}
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void INodeTrivialRefreshStub::getTransactions(const std::vector<crypto::hash>& transactionHashes, std::vector<CryptoNote::TransactionDetails>& transactions, const Callback& callback) {
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m_asyncCounter.addAsyncContext();
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std::thread task(
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std::bind(
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&INodeTrivialRefreshStub::doGetTransactions,
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this,
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std::cref(transactionHashes),
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std::ref(transactions),
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callback
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)
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);
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task.detach();
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}
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void INodeTrivialRefreshStub::doGetTransactions(const std::vector<crypto::hash>& transactionHashes, std::vector<CryptoNote::TransactionDetails>& transactions, const Callback& callback) {
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ContextCounterHolder counterHolder(m_asyncCounter);
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std::unique_lock<std::mutex> lock(m_multiWalletLock);
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for (const crypto::hash& hash : transactionHashes) {
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CryptoNote::Transaction tx;
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CryptoNote::TransactionDetails txDetails = CryptoNote::TransactionDetails();
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if (m_blockchainGenerator.getTransactionByHash(hash, tx, false)) {
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crypto::hash actualHash = CryptoNote::get_transaction_hash(tx);
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txDetails.hash = reinterpret_cast<const std::array<uint8_t, 32>&>(actualHash);
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txDetails.inBlockchain = true;
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} else if (m_blockchainGenerator.getTransactionByHash(hash, tx, true)) {
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crypto::hash actualHash = CryptoNote::get_transaction_hash(tx);
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txDetails.hash = reinterpret_cast<const std::array<uint8_t, 32>&>(actualHash);
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txDetails.inBlockchain = false;
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} else {
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callback(std::error_code(EDOM, std::generic_category()));
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return;
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}
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transactions.push_back(txDetails);
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}
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callback(std::error_code());
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}
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void INodeTrivialRefreshStub::isSynchronized(bool& syncStatus, const Callback& callback) {
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//m_asyncCounter.addAsyncContext();
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syncStatus = m_synchronized;
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callback(std::error_code());
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}
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void INodeTrivialRefreshStub::setSynchronizedStatus(bool status) {
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m_synchronized = status;
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if (m_synchronized) {
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observerManager.notify(&CryptoNote::INodeObserver::blockchainSynchronized, getLastLocalBlockHeight());
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}
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}
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void INodeTrivialRefreshStub::sendPoolChanged() {
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observerManager.notify(&CryptoNote::INodeObserver::poolChanged);
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}
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void INodeTrivialRefreshStub::sendLocalBlockchainUpdated(){
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observerManager.notify(&CryptoNote::INodeObserver::localBlockchainUpdated, getLastLocalBlockHeight());
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}
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