Electroneum::PendingTransactionImpl Class Reference

#include <pending_transaction.h>

Inheritance diagram for Electroneum::PendingTransactionImpl:

Collaboration diagram for Electroneum::PendingTransactionImpl:

Public Member Functions
	PendingTransactionImpl (WalletImpl &wallet)
	~PendingTransactionImpl ()
int	status () const override
std::string	errorString () const override
bool	commit (const std::string &filename="", bool overwrite=false) override
uint64_t	amount () const override
uint64_t	dust () const override
uint64_t	fee () const override
std::vector< std::string >	txid () const override
uint64_t	txCount () const override
	txCount - number of transactions current transaction will be splitted to
std::vector< uint32_t >	subaddrAccount () const override
std::vector< std::set< uint32_t > >	subaddrIndices () const override
std::string	multisigSignData () override
	multisigSignData
void	signMultisigTx () override
std::vector< std::string >	signersKeys () const override
	signersKeys
Public Member Functions inherited from Electroneum::PendingTransaction
virtual	~PendingTransaction ()=0

Friends
class	WalletImpl

Additional Inherited Members
Public Types inherited from Electroneum::PendingTransaction
enum	Status { Status_Ok , Status_Error , Status_Critical }
enum	Priority {   Priority_Default = 0 , Priority_Low = 1 , Priority_Medium = 2 , Priority_High = 3 ,   Priority_Last }

Detailed Description

Definition at line 42 of file pending_transaction.h.

Constructor & Destructor Documentation

PendingTransactionImpl()

Electroneum::PendingTransactionImpl::PendingTransactionImpl

(

WalletImpl &

wallet

)

Definition at line 52 of file pending_transaction.cpp.

    : m_wallet(wallet)
{
  m_status = Status_Ok;
}

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~PendingTransactionImpl()

Electroneum::PendingTransactionImpl::~PendingTransactionImpl

(

)

Definition at line 58 of file pending_transaction.cpp.

{
 
}

Member Function Documentation

amount()

uint64_t Electroneum::PendingTransactionImpl::amount ( ) const

overridevirtual

Implements Electroneum::PendingTransaction.

Definition at line 165 of file pending_transaction.cpp.

{
    uint64_t result = 0;
    for (const auto &ptx : m_pending_tx)   {
        for (const auto &dest : ptx.dests) {
            result += dest.amount;
        }
    }
    return result;
}

commit()

bool Electroneum::PendingTransactionImpl::commit ( const std::string & filename = "", bool overwrite = false )

overridevirtual

Implements Electroneum::PendingTransaction.

Definition at line 81 of file pending_transaction.cpp.

{
 
    LOG_PRINT_L3("m_pending_tx size: " << m_pending_tx.size());
 
    try {
      // Save tx to file
      if (!filename.empty()) {
        boost::system::error_code ignore;
        bool tx_file_exists = boost::filesystem::exists(filename, ignore);
        if(tx_file_exists && !overwrite){
          m_errorString = string(tr("Attempting to save transaction to file, but specified file(s) exist. Exiting to not risk overwriting. File:")) + filename;
          m_status = Status_Error;
          LOG_ERROR(m_errorString);
          return false;
        }
        bool r = m_wallet.m_wallet->save_tx(m_pending_tx, filename);
        if (!r) {
          m_errorString = tr("Failed to write transaction(s) to file");
          m_status = Status_Error;
        } else {
          m_status = Status_Ok;
        }
      }
      // Commit tx
      else {
        auto multisigState = m_wallet.multisig();
        if (multisigState.isMultisig && m_signers.size() < multisigState.threshold) {
            throw runtime_error("Not enough signers to send multisig transaction");
        }
 
        m_wallet.pauseRefresh();
 
        const bool tx_cold_signed = m_wallet.m_wallet->get_account().get_device().has_tx_cold_sign();
        if (tx_cold_signed){
          std::unordered_set<size_t> selected_transfers;
          for(const tools::wallet2::pending_tx & ptx : m_pending_tx){
            for(size_t s : ptx.selected_transfers){
              selected_transfers.insert(s);
            }
          }
 
          m_wallet.m_wallet->cold_tx_aux_import(m_pending_tx, m_tx_device_aux);
          bool r = m_wallet.m_wallet->import_key_images(m_key_images, 0, selected_transfers);
          if (!r){
            throw runtime_error("Cold sign transaction submit failed - key image sync fail");
          }
        }
 
        while (!m_pending_tx.empty()) {
            auto & ptx = m_pending_tx.back();
            m_wallet.m_wallet->commit_tx(ptx);
            // if no exception, remove element from vector
            m_pending_tx.pop_back();
        } // TODO: extract method;
      }
    } catch (const tools::error::daemon_busy&) {
        // TODO: make it translatable with "tr"?
        m_errorString = tr("daemon is busy. Please try again later.");
        m_status = Status_Error;
    } catch (const tools::error::no_connection_to_daemon&) {
        m_errorString = tr("no connection to daemon. Please make sure daemon is running.");
        m_status = Status_Error;
    } catch (const tools::error::tx_rejected& e) {
        std::ostringstream writer(m_errorString);
        writer << (boost::format(tr("transaction %s was rejected by daemon with status: ")) % get_transaction_hash(e.tx())) <<  e.status();
        std::string reason = e.reason();
        m_status = Status_Error;
        m_errorString = writer.str();
        if (!reason.empty())
          m_errorString  += string(tr(". Reason: ")) + reason;
    } catch (const std::exception &e) {
        m_errorString = string(tr("Unknown exception: ")) + e.what();
        m_status = Status_Error;
    } catch (...) {
        m_errorString = tr("Unhandled exception");
        LOG_ERROR(m_errorString);
        m_status = Status_Error;
    }
 
    m_wallet.startRefresh();
    return m_status == Status_Ok;
}

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dust()

uint64_t Electroneum::PendingTransactionImpl::dust ( ) const

overridevirtual

Implements Electroneum::PendingTransaction.

Definition at line 176 of file pending_transaction.cpp.

{
    uint64_t result = 0;
    for (const auto & ptx : m_pending_tx) {
        result += ptx.dust;
    }
    return result;
}

errorString()

string Electroneum::PendingTransactionImpl::errorString ( ) const

overridevirtual

Implements Electroneum::PendingTransaction.

Definition at line 68 of file pending_transaction.cpp.

{
    return m_errorString;
}

fee()

uint64_t Electroneum::PendingTransactionImpl::fee ( ) const

overridevirtual

Implements Electroneum::PendingTransaction.

Definition at line 185 of file pending_transaction.cpp.

{
    uint64_t result = 0;
    for (const auto &ptx : m_pending_tx) {
        result += ptx.fee;
    }
    return result;
}

multisigSignData()

std::string Electroneum::PendingTransactionImpl::multisigSignData ( )

overridevirtual

multisigSignData

Returns

encoded multisig transaction with signers' keys. Transfer this data to another wallet participant to sign it. Assumed use case is:

1. Initiator: auto data = pendingTransaction->multisigSignData();
2. Signer1: pendingTransaction = wallet->restoreMultisigTransaction(data); pendingTransaction->signMultisigTx(); auto signed = pendingTransaction->multisigSignData();
3. Signer2: pendingTransaction = wallet->restoreMultisigTransaction(signed); pendingTransaction->signMultisigTx(); pendingTransaction->commit();

Implements Electroneum::PendingTransaction.

Definition at line 215 of file pending_transaction.cpp.

                                                   {
    try {
        if (!m_wallet.multisig().isMultisig) {
            throw std::runtime_error("wallet is not multisig");
        }
 
        tools::wallet2::multisig_tx_set txSet;
        txSet.m_ptx = m_pending_tx;
        txSet.m_signers = m_signers;
        auto cipher = m_wallet.m_wallet->save_multisig_tx(txSet);
 
        return epee::string_tools::buff_to_hex_nodelimer(cipher);
    } catch (const std::exception& e) {
        m_status = Status_Error;
        m_errorString = std::string(tr("Couldn't multisig sign data: ")) + e.what();
    }
 
    return std::string();
}

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signersKeys()

std::vector< std::string > Electroneum::PendingTransactionImpl::signersKeys ( ) const

overridevirtual

signersKeys

Returns

vector of base58-encoded signers' public keys

Implements Electroneum::PendingTransaction.

Definition at line 255 of file pending_transaction.cpp.

                                                               {
    std::vector<std::string> keys;
    keys.reserve(m_signers.size());
 
    for (const auto& signer: m_signers) {
        keys.emplace_back(tools::base58::encode(cryptonote::t_serializable_object_to_blob(signer)));
    }
 
    return keys;
}

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signMultisigTx()

void Electroneum::PendingTransactionImpl::signMultisigTx ( )

overridevirtual

Implements Electroneum::PendingTransaction.

Definition at line 235 of file pending_transaction.cpp.

                                            {
    try {
        std::vector<crypto::hash> ignore;
 
        tools::wallet2::multisig_tx_set txSet;
        txSet.m_ptx = m_pending_tx;
        txSet.m_signers = m_signers;
 
        if (!m_wallet.m_wallet->sign_multisig_tx(txSet, ignore)) {
            throw std::runtime_error("couldn't sign multisig transaction");
        }
 
        std::swap(m_pending_tx, txSet.m_ptx);
        std::swap(m_signers, txSet.m_signers);
    } catch (const std::exception& e) {
        m_status = Status_Error;
        m_errorString = std::string(tr("Couldn't sign multisig transaction: ")) + e.what();
    }
}

status()

int Electroneum::PendingTransactionImpl::status ( ) const

overridevirtual

Implements Electroneum::PendingTransaction.

Definition at line 63 of file pending_transaction.cpp.

{
    return m_status;
}

subaddrAccount()

std::vector< uint32_t > Electroneum::PendingTransactionImpl::subaddrAccount ( ) const

overridevirtual

Implements Electroneum::PendingTransaction.

Definition at line 199 of file pending_transaction.cpp.

{
    std::vector<uint32_t> result;
    for (const auto& ptx : m_pending_tx)
        result.push_back(ptx.construction_data.subaddr_account);
    return result;
}

subaddrIndices()

std::vector< std::set< uint32_t > > Electroneum::PendingTransactionImpl::subaddrIndices ( ) const

overridevirtual

Implements Electroneum::PendingTransaction.

Definition at line 207 of file pending_transaction.cpp.

{
    std::vector<std::set<uint32_t>> result;
    for (const auto& ptx : m_pending_tx)
        result.push_back(ptx.construction_data.subaddr_indices);
    return result;
}

txCount()

uint64_t Electroneum::PendingTransactionImpl::txCount ( ) const

overridevirtual

txCount - number of transactions current transaction will be splitted to

Returns

Implements Electroneum::PendingTransaction.

Definition at line 194 of file pending_transaction.cpp.

{
    return m_pending_tx.size();
}

txid()

std::vector< std::string > Electroneum::PendingTransactionImpl::txid ( ) const

overridevirtual

Implements Electroneum::PendingTransaction.

Definition at line 73 of file pending_transaction.cpp.

{
    std::vector<std::string> txid;
    for (const auto &pt: m_pending_tx)
        txid.push_back(epee::string_tools::pod_to_hex(cryptonote::get_transaction_hash(pt.tx)));
    return txid;
}

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Friends And Related Symbol Documentation

WalletImpl

friend class WalletImpl

friend

Definition at line 64 of file pending_transaction.h.

---

The documentation for this class was generated from the following files:

• /home/abuild/rpmbuild/BUILD/electroneum-5.1.3.1-build/electroneum-5.1.3.1/src/wallet/api/pending_transaction.h
• /home/abuild/rpmbuild/BUILD/electroneum-5.1.3.1-build/electroneum-5.1.3.1/src/wallet/api/pending_transaction.cpp