void TransfersConsumer::processOutputs(const TransactionBlockInfo& blockInfo, TransfersSubscription& sub, const ITransactionReader& tx,
const std::vector<TransactionOutputInformationIn>& transfers, const std::vector<uint32_t>& globalIdxs, bool& contains, bool& updated) {
TransactionInformation subscribtionTxInfo;
contains = sub.getContainer().getTransactionInformation(tx.getTransactionHash(), subscribtionTxInfo);
updated = false;
if (contains) {
if (subscribtionTxInfo.blockHeight == WALLET_UNCONFIRMED_TRANSACTION_HEIGHT && blockInfo.height != WALLET_UNCONFIRMED_TRANSACTION_HEIGHT) {
try {
// pool->blockchain
sub.markTransactionConfirmed(blockInfo, tx.getTransactionHash(), globalIdxs);
updated = true;
} catch (...) {
m_logger(ERROR, BRIGHT_RED) << "markTransactionConfirmed failed, throw MarkTransactionConfirmedException";
throw MarkTransactionConfirmedException(tx.getTransactionHash());
}
} else {
assert(subscribtionTxInfo.blockHeight == blockInfo.height);
}
} else {
updated = sub.addTransaction(blockInfo, tx, transfers);
contains = updated;
}
}
void TransfersConsumer::processTransaction(const TransactionBlockInfo& blockInfo, const ITransactionReader& tx, const PreprocessInfo& info) {
std::vector<TransactionOutputInformationIn> emptyOutputs;
std::vector<ITransfersContainer*> transactionContainers;
m_logger(TRACE) << "Process transaction, block " << blockInfo.height << ", transaction index " << blockInfo.transactionIndex << ", hash " << tx.getTransactionHash();
bool someContainerUpdated = false;
for (auto& kv : m_subscriptions) {
auto it = info.outputs.find(kv.first);
auto& subscriptionOutputs = (it == info.outputs.end()) ? emptyOutputs : it->second;
bool containerContainsTx;
bool containerUpdated;
processOutputs(blockInfo, *kv.second, tx, subscriptionOutputs, info.globalIdxs, containerContainsTx, containerUpdated);
someContainerUpdated = someContainerUpdated || containerUpdated;
if (containerContainsTx) {
transactionContainers.emplace_back(&kv.second->getContainer());
}
}
if (someContainerUpdated) {
m_logger(TRACE) << "Transaction updated some containers, hash " << tx.getTransactionHash();
m_observerManager.notify(&IBlockchainConsumerObserver::onTransactionUpdated, this, tx.getTransactionHash(), transactionContainers);
} else {
m_logger(TRACE) << "Transaction doesn't updated any container, hash " << tx.getTransactionHash();
}
}
std::error_code createTransfers(
const AccountKeys& account,
const TransactionBlockInfo& blockInfo,
const ITransactionReader& tx,
const std::vector<uint32_t>& outputs,
const std::vector<uint32_t>& globalIdxs,
std::vector<TransactionOutputInformationIn>& transfers) {
auto txPubKey = tx.getTransactionPublicKey();
for (auto idx : outputs) {
if (idx >= tx.getOutputCount()) {
return std::make_error_code(std::errc::argument_out_of_domain);
}
auto outType = tx.getOutputType(size_t(idx));
if (
outType != TransactionTypes::OutputType::Key) {
continue;
}
TransactionOutputInformationIn info;
info.type = outType;
info.transactionPublicKey = txPubKey;
info.outputInTransaction = idx;
info.globalOutputIndex = (blockInfo.height == WALLET_UNCONFIRMED_TRANSACTION_HEIGHT) ?
UNCONFIRMED_TRANSACTION_GLOBAL_OUTPUT_INDEX : globalIdxs[idx];
if (outType == TransactionTypes::OutputType::Key) {
uint64_t amount;
KeyOutput out;
tx.getOutput(idx, out, amount);
CryptoNote::KeyPair in_ephemeral;
CryptoNote::generate_key_image_helper(
account,
txPubKey,
idx,
in_ephemeral,
info.keyImage);
assert(out.key == reinterpret_cast<const PublicKey&>(in_ephemeral.publicKey));
info.amount = amount;
info.outputKey = out.key;
}
transfers.push_back(info);
}
return std::error_code();
}
std::error_code TransfersConsumer::preprocessOutputs(const BlockInfo& blockInfo, const ITransactionReader& tx, PreprocessInfo& info) {
std::unordered_map<PublicKey, std::vector<uint32_t>> outputs;
findMyOutputs(tx, m_viewSecret, m_spendKeys, outputs);
if (outputs.empty()) {
return std::error_code();
}
std::error_code errorCode;
auto txHash = tx.getTransactionHash();
if (blockInfo.height != WALLET_LEGACY_UNCONFIRMED_TRANSACTION_HEIGHT) {
errorCode = getGlobalIndices(reinterpret_cast<const Hash&>(txHash), info.globalIdxs);
if (errorCode) {
return errorCode;
}
}
for (const auto& kv : outputs) {
auto it = m_subscriptions.find(kv.first);
if (it != m_subscriptions.end()) {
auto& transfers = info.outputs[kv.first];
errorCode = createTransfers(it->second->getKeys(), blockInfo, tx, kv.second, info.globalIdxs, transfers);
if (errorCode) {
return errorCode;
}
}
}
return std::error_code();
}
cryptonote::Transaction convertTx(ITransactionReader& tx) {
auto blob = tx.getTransactionData();
cryptonote::blobdata data(reinterpret_cast<const char*>(blob.data()), blob.size());
cryptonote::Transaction oldTx;
cryptonote::parse_and_validate_tx_from_blob(data, oldTx); // ignore return code
return oldTx;
}
void TransfersSubscription::addTransaction(const TransactionBlockInfo& blockInfo, const ITransactionReader& tx,
const std::vector<TransactionOutputInformationIn>& transfersList) {
bool added = transfers.addTransaction(blockInfo, tx, transfersList);
if (added) {
m_observerManager.notify(&ITransfersObserver::onTransactionUpdated, this, tx.getTransactionHash());
}
}
void TransfersSubscription::addTransaction(const BlockInfo& blockInfo, const ITransactionReader& tx,
const std::vector<TransactionOutputInformationIn>& transfers,
std::vector<std::string>&& messages) {
bool added = m_transfers.addTransaction(blockInfo, tx, transfers, std::move(messages));
if (added) {
m_observerManager.notify(&ITransfersObserver::onTransactionUpdated, this, tx.getTransactionHash());
}
}
std::error_code submitTransaction(INode& node, ITransactionReader& tx) {
auto data = tx.getTransactionData();
CryptoNote::Transaction outTx;
fromBinaryArray(outTx, data);
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::error_code submitTransaction(INode& node, ITransactionReader& tx) {
auto data = tx.getTransactionData();
cryptonote::blobdata txblob(data.data(), data.data() + data.size());
cryptonote::Transaction outTx;
cryptonote::parse_and_validate_tx_from_blob(txblob, outTx);
LOG_DEBUG("Submitting transaction " + bin2str(tx.getTransactionHash()));
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;
}
void TransfersConsumer::processOutputs(const TransactionBlockInfo& blockInfo, TransfersSubscription& sub, const ITransactionReader& tx,
const std::vector<TransactionOutputInformationIn>& transfers, const std::vector<uint32_t>& globalIdxs, bool& contains, bool& updated) {
TransactionInformation subscribtionTxInfo;
contains = sub.getContainer().getTransactionInformation(tx.getTransactionHash(), subscribtionTxInfo);
updated = false;
if (contains) {
if (subscribtionTxInfo.blockHeight == WALLET_UNCONFIRMED_TRANSACTION_HEIGHT && blockInfo.height != WALLET_UNCONFIRMED_TRANSACTION_HEIGHT) {
// pool->blockchain
sub.markTransactionConfirmed(blockInfo, tx.getTransactionHash(), globalIdxs);
updated = true;
} else {
assert(subscribtionTxInfo.blockHeight == blockInfo.height);
}
} else {
auto messages = get_messages_from_extra(tx.getExtra(), tx.getTransactionPublicKey(), &sub.getKeys().spendSecretKey);
updated = sub.addTransaction(blockInfo, tx, transfers, std::move(messages));
contains = updated;
}
}
std::error_code TransfersConsumer::processOutputs(const BlockInfo& blockInfo, TransfersSubscription& sub,
const ITransactionReader& tx, const std::vector<TransactionOutputInformationIn>& transfers, const std::vector<uint32_t>& globalIdxs) {
if (blockInfo.height != WALLET_LEGACY_UNCONFIRMED_TRANSACTION_HEIGHT) {
TransactionInformation subscribtionTxInfo;
int64_t txBalance;
if (sub.getContainer().getTransactionInformation(tx.getTransactionHash(), subscribtionTxInfo, txBalance)) {
if (subscribtionTxInfo.blockHeight == WALLET_LEGACY_UNCONFIRMED_TRANSACTION_HEIGHT) {
// pool->blockchain
sub.markTransactionConfirmed(blockInfo, tx.getTransactionHash(), globalIdxs);
return std::error_code();
} else {
// - Subscription already has this transaction as confirmed, so why are we here?
// - Because, for instance, some another subscription doesn't have this transactions, so it is given to us again.
return std::error_code();
}
}
}
sub.addTransaction(blockInfo, tx, transfers);
return std::error_code();
}
std::error_code submitTransaction(ITransactionReader& tx) {
auto data = tx.getTransactionData();
cryptonote::blobdata txblob(data.data(), data.data() + data.size());
cryptonote::Transaction outTx;
cryptonote::parse_and_validate_tx_from_blob(txblob, outTx);
std::promise<std::error_code> result;
m_node.relayTransaction(outTx, [&result](std::error_code ec) {
std::promise<std::error_code> detachedPromise = std::move(result);
detachedPromise.set_value(ec);
});
return result.get_future().get();
}
bool TransfersSubscription::addTransaction(const TransactionBlockInfo& blockInfo, const ITransactionReader& tx,
const std::vector<TransactionOutputInformationIn>& transfersList,
std::vector<std::string>&& messages) {
std::vector<TransactionOutputInformation> unlockedTransfers;
bool added = transfers.addTransaction(blockInfo, tx, transfersList, std::move(messages), &unlockedTransfers);
if (added) {
m_observerManager.notify(&ITransfersObserver::onTransactionUpdated, this, tx.getTransactionHash());
}
if (!unlockedTransfers.empty()) {
m_observerManager.notify(&ITransfersObserver::onTransfersUnlocked, this, unlockedTransfers);
}
return added;
}
std::error_code TransfersConsumer::preprocessOutputs(const BlockInfo& blockInfo, const ITransactionReader& tx, PreprocessInfo& info) {
findMyOutputs(tx, m_viewSecret, m_spendKeys, info.outputs);
std::error_code errorCode;
if (!info.outputs.empty()) {
auto txHash = tx.getTransactionHash();
if (blockInfo.height != UNCONFIRMED_TRANSACTION_HEIGHT) {
errorCode = getGlobalIndices(reinterpret_cast<const crypto::hash&>(txHash), info.globalIdxs);
if (errorCode) {
return errorCode;
}
}
}
return std::error_code();
}
std::error_code BlockchainSynchronizer::doAddUnconfirmedTransaction(const ITransactionReader& transaction) {
std::unique_lock<std::mutex> lk(m_consumersMutex);
std::error_code ec;
auto addIt = m_consumers.begin();
for (; addIt != m_consumers.end(); ++addIt) {
ec = addIt->first->addUnconfirmedTransaction(transaction);
if (ec) {
break;
}
}
if (ec) {
auto transactionHash = transaction.getTransactionHash();
for (auto rollbackIt = m_consumers.begin(); rollbackIt != addIt; ++rollbackIt) {
rollbackIt->first->removeUnconfirmedTransaction(transactionHash);
}
}
return ec;
}
std::error_code TransfersConsumer::processOutputs(const BlockInfo& blockInfo, TransfersSubscription& sub,
const ITransactionReader& tx, const std::vector<uint32_t>& outputs, const std::vector<uint64_t>& globalIdxs) {
if (blockInfo.height != UNCONFIRMED_TRANSACTION_HEIGHT) {
TransactionInformation subscribtionTxInfo;
int64_t txBalance;
if (sub.getContainer().getTransactionInformation(tx.getTransactionHash(), subscribtionTxInfo, txBalance)) {
if (subscribtionTxInfo.blockHeight == UNCONFIRMED_TRANSACTION_HEIGHT) {
// pool->blockchain
sub.markTransactionConfirmed(blockInfo, tx.getTransactionHash(), globalIdxs);
return std::error_code();
} else {
// - Subscription already has this transaction as confirmed, so why are we here?
// - Because, for instance, some another subscription doesn't have this transactions, so it is given to us again.
return std::error_code();
}
}
}
std::vector<TransactionOutputInformationIn> transfers;
auto txPubKey = tx.getTransactionPublicKey();
for (auto idx : outputs) {
if (idx >= tx.getOutputCount()) {
return std::make_error_code(std::errc::argument_out_of_domain);
}
auto outType = tx.getOutputType(size_t(idx));
if (
outType != TransactionTypes::OutputType::Key &&
outType != TransactionTypes::OutputType::Multisignature) {
continue;
}
TransactionOutputInformationIn info;
info.type = outType;
info.transactionPublicKey = txPubKey;
info.outputInTransaction = idx;
info.globalOutputIndex =
(blockInfo.height == UNCONFIRMED_TRANSACTION_HEIGHT) ?
UNCONFIRMED_TRANSACTION_GLOBAL_OUTPUT_INDEX :
globalIdxs[idx];
if (outType == TransactionTypes::OutputType::Key) {
TransactionTypes::OutputKey out;
tx.getOutput(idx, out);
cryptonote::KeyPair in_ephemeral;
cryptonote::generate_key_image_helper(
reinterpret_cast<const cryptonote::account_keys&>(sub.getKeys()),
reinterpret_cast<const crypto::public_key&>(txPubKey),
idx,
in_ephemeral,
reinterpret_cast<crypto::key_image&>(info.keyImage));
assert(out.key == reinterpret_cast<const PublicKey&>(in_ephemeral.pub));
info.amount = out.amount;
info.outputKey = out.key;
} else if (outType == TransactionTypes::OutputType::Multisignature) {
TransactionTypes::OutputMultisignature out;
tx.getOutput(idx, out);
info.amount = out.amount;
info.requiredSignatures = out.requiredSignatures;
}
transfers.push_back(info);
}
sub.addTransaction(blockInfo, tx, transfers);
return std::error_code();
}