Electroneum::TransactionHistoryImpl Class Reference

#include <transaction_history.h>

Inheritance diagram for Electroneum::TransactionHistoryImpl:

Collaboration diagram for Electroneum::TransactionHistoryImpl:

Public Member Functions
	TransactionHistoryImpl (WalletImpl *wallet)
	~TransactionHistoryImpl ()
virtual int	count () const
virtual TransactionInfo *	transaction (int index) const
virtual TransactionInfo *	transaction (const std::string &id) const
virtual std::vector< TransactionInfo * >	getAll () const
virtual void	refresh ()
Public Member Functions inherited from Electroneum::TransactionHistory
virtual	~TransactionHistory ()=0

Detailed Description

Definition at line 39 of file transaction_history.h.

Constructor & Destructor Documentation

TransactionHistoryImpl()

Electroneum::TransactionHistoryImpl::TransactionHistoryImpl

(

WalletImpl *

wallet

)

Definition at line 51 of file transaction_history.cpp.

    : m_wallet(wallet)
{
 
}

~TransactionHistoryImpl()

Electroneum::TransactionHistoryImpl::~TransactionHistoryImpl

(

)

Definition at line 57 of file transaction_history.cpp.

{
    for (auto t : m_history)
        delete t;
}

Member Function Documentation

count()

int Electroneum::TransactionHistoryImpl::count ( ) const

virtual

Implements Electroneum::TransactionHistory.

Definition at line 63 of file transaction_history.cpp.

{
    boost::shared_lock<boost::shared_mutex> lock(m_historyMutex);
    int result = m_history.size();
    return result;
}

getAll()

std::vector< TransactionInfo * > Electroneum::TransactionHistoryImpl::getAll ( ) const

virtual

Implements Electroneum::TransactionHistory.

Definition at line 90 of file transaction_history.cpp.

{
    boost::shared_lock<boost::shared_mutex> lock(m_historyMutex);
    return m_history;
}

refresh()

void Electroneum::TransactionHistoryImpl::refresh ( )

virtual

Implements Electroneum::TransactionHistory.

Definition at line 96 of file transaction_history.cpp.

{
    // multithreaded access:
    // boost::lock_guard<boost::mutex> guarg(m_historyMutex);
    // for "write" access, locking exclusively
    boost::unique_lock<boost::shared_mutex> lock(m_historyMutex);
 
    // TODO: configurable values;
    uint64_t min_height = 0;
    uint64_t max_height = (uint64_t)-1;
    uint64_t wallet_height = m_wallet->blockChainHeight();
 
    // delete old transactions;
    for (auto t : m_history)
        delete t;
    m_history.clear();
 
    // transactions are stored in wallet2:
    // - confirmed_transfer_details   - out transfers
    // - unconfirmed_transfer_details - pending out transfers
    // - payment_details              - input transfers
 
    // payments are "input transactions";
    // one input transaction contains only one transfer. e.g. <transaction_id> - <100ETN>
 
    std::list<std::pair<crypto::hash, tools::wallet2::payment_details>> in_payments;
    m_wallet->m_wallet->get_payments(in_payments, min_height, max_height);
    for (std::list<std::pair<crypto::hash, tools::wallet2::payment_details>>::const_iterator i = in_payments.begin(); i != in_payments.end(); ++i) {
        const tools::wallet2::payment_details &pd = i->second;
        std::string payment_id = string_tools::pod_to_hex(i->first);
        if (payment_id.substr(16).find_first_not_of('0') == std::string::npos)
            payment_id = payment_id.substr(0,16);
        TransactionInfoImpl * ti = new TransactionInfoImpl();
        ti->m_paymentid = payment_id;
        ti->m_amount    = pd.m_amount;
        ti->m_direction = TransactionInfo::Direction_In;
        ti->m_hash      = string_tools::pod_to_hex(pd.m_tx_hash);
        ti->m_blockheight = pd.m_block_height;
        ti->m_subaddrIndex = { pd.m_subaddr_index.minor };
        ti->m_subaddrAccount = pd.m_subaddr_index.major;
        ti->m_label     = m_wallet->m_wallet->get_subaddress_label(pd.m_subaddr_index);
        ti->m_timestamp = pd.m_timestamp;
        ti->m_confirmations = (wallet_height > pd.m_block_height) ? wallet_height - pd.m_block_height : 0;
        ti->m_unlock_time = pd.m_unlock_time;
        m_history.push_back(ti);
 
    }
 
    // confirmed output transactions
    // one output transaction may contain more than one etn transfer, e.g.
    // <transaction_id>:
    //    transfer1: 100ETN to <address_1>
    //    transfer2: 50ETN  to <address_2>
    //    fee: fee charged per transaction
    //
 
    std::list<std::pair<crypto::hash, tools::wallet2::confirmed_transfer_details>> out_payments;
    m_wallet->m_wallet->get_payments_out(out_payments, min_height, max_height);
 
    for (std::list<std::pair<crypto::hash, tools::wallet2::confirmed_transfer_details>>::const_iterator i = out_payments.begin();
         i != out_payments.end(); ++i) {
        
        const crypto::hash &hash = i->first;
        const tools::wallet2::confirmed_transfer_details &pd = i->second;
        
        uint64_t change = pd.m_change == (uint64_t)-1 ? 0 : pd.m_change; // change may not be known
        uint64_t fee = pd.m_amount_in - pd.m_amount_out;
        
 
        std::string payment_id = string_tools::pod_to_hex(i->second.m_payment_id);
        if (payment_id.substr(16).find_first_not_of('0') == std::string::npos)
            payment_id = payment_id.substr(0,16);
 
 
        TransactionInfoImpl * ti = new TransactionInfoImpl();
        ti->m_paymentid = payment_id;
        ti->m_amount = pd.m_amount_in - change - fee;
        ti->m_fee    = fee;
        ti->m_direction = TransactionInfo::Direction_Out;
        ti->m_hash = string_tools::pod_to_hex(hash);
        ti->m_blockheight = pd.m_block_height;
        ti->m_subaddrIndex = pd.m_subaddr_indices;
        ti->m_subaddrAccount = pd.m_subaddr_account;
        ti->m_label = pd.m_subaddr_indices.size() == 1 ? m_wallet->m_wallet->get_subaddress_label({pd.m_subaddr_account, *pd.m_subaddr_indices.begin()}) : "";
        ti->m_timestamp = pd.m_timestamp;
        ti->m_confirmations = (wallet_height > pd.m_block_height) ? wallet_height - pd.m_block_height : 0;
 
        // single output transaction might contain multiple transfers
        for (const auto &d: pd.m_dests) {
            ti->m_transfers.push_back({d.amount, get_account_address_as_str(m_wallet->m_wallet->nettype(), d.is_subaddress, d.addr)});
        }
        m_history.push_back(ti);
    }
 
    // unconfirmed output transactions
    std::list<std::pair<crypto::hash, tools::wallet2::unconfirmed_transfer_details>> upayments_out;
    m_wallet->m_wallet->get_unconfirmed_payments_out(upayments_out);
    for (std::list<std::pair<crypto::hash, tools::wallet2::unconfirmed_transfer_details>>::const_iterator i = upayments_out.begin(); i != upayments_out.end(); ++i) {
        const tools::wallet2::unconfirmed_transfer_details &pd = i->second;
        const crypto::hash &hash = i->first;
        uint64_t amount = pd.m_amount_in;
        uint64_t fee = amount - pd.m_amount_out;
        std::string payment_id = string_tools::pod_to_hex(i->second.m_payment_id);
        if (payment_id.substr(16).find_first_not_of('0') == std::string::npos)
            payment_id = payment_id.substr(0,16);
        bool is_failed = pd.m_state == tools::wallet2::unconfirmed_transfer_details::failed;
 
        TransactionInfoImpl * ti = new TransactionInfoImpl();
        ti->m_paymentid = payment_id;
        ti->m_amount = amount - pd.m_change - fee;
        ti->m_fee    = fee;
        ti->m_direction = TransactionInfo::Direction_Out;
        ti->m_failed = is_failed;
        ti->m_pending = true;
        ti->m_hash = string_tools::pod_to_hex(hash);
        ti->m_subaddrIndex = pd.m_subaddr_indices;
        ti->m_subaddrAccount = pd.m_subaddr_account;
        ti->m_label = pd.m_subaddr_indices.size() == 1 ? m_wallet->m_wallet->get_subaddress_label({pd.m_subaddr_account, *pd.m_subaddr_indices.begin()}) : "";
        ti->m_timestamp = pd.m_timestamp;
        ti->m_confirmations = 0;
        m_history.push_back(ti);
    }
    
    
    // unconfirmed payments (tx pool)
    std::list<std::pair<crypto::hash, tools::wallet2::pool_payment_details>> upayments;
    m_wallet->m_wallet->get_unconfirmed_payments(upayments);
    for (std::list<std::pair<crypto::hash, tools::wallet2::pool_payment_details>>::const_iterator i = upayments.begin(); i != upayments.end(); ++i) {
        const tools::wallet2::payment_details &pd = i->second.m_pd;
        std::string payment_id = string_tools::pod_to_hex(i->first);
        if (payment_id.substr(16).find_first_not_of('0') == std::string::npos)
            payment_id = payment_id.substr(0,16);
        TransactionInfoImpl * ti = new TransactionInfoImpl();
        ti->m_paymentid = payment_id;
        ti->m_amount    = pd.m_amount;
        ti->m_direction = TransactionInfo::Direction_In;
        ti->m_hash      = string_tools::pod_to_hex(pd.m_tx_hash);
        ti->m_blockheight = pd.m_block_height;
        ti->m_pending = true;
        ti->m_subaddrIndex = { pd.m_subaddr_index.minor };
        ti->m_subaddrAccount = pd.m_subaddr_index.major;
        ti->m_label     = m_wallet->m_wallet->get_subaddress_label(pd.m_subaddr_index);
        ti->m_timestamp = pd.m_timestamp;
        ti->m_confirmations = 0;
        m_history.push_back(ti);
        
        LOG_PRINT_L1(__FUNCTION__ << ": Unconfirmed payment found " << pd.m_amount);
    }
     
}

Here is the call graph for this function:

transaction() [1/2]

TransactionInfo * Electroneum::TransactionHistoryImpl::transaction ( const std::string & id ) const

virtual

Implements Electroneum::TransactionHistory.

Definition at line 80 of file transaction_history.cpp.

{
    boost::shared_lock<boost::shared_mutex> lock(m_historyMutex);
    auto itr = std::find_if(m_history.begin(), m_history.end(),
                            [&](const TransactionInfo * ti) {
        return ti->hash() == id;
    });
    return itr != m_history.end() ? *itr : nullptr;
}

transaction() [2/2]

TransactionInfo * Electroneum::TransactionHistoryImpl::transaction ( int index ) const

virtual

Implements Electroneum::TransactionHistory.

Definition at line 70 of file transaction_history.cpp.

{
    boost::shared_lock<boost::shared_mutex> lock(m_historyMutex);
    // sanity check
    if (index < 0)
        return nullptr;
    unsigned index_ = static_cast<unsigned>(index);
    return index_ < m_history.size() ? m_history[index_] : nullptr;
}

---

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