Method decomposeTransaction

src/qt/transactionrecord.cpp:28–159

* Decompose CWallet transaction to model transaction records. */

 * Decompose CWallet transaction to model transaction records.
 */
QList<TransactionRecord> TransactionRecord::decomposeTransaction(const interfaces::WalletTx& wtx)
{
    QList<TransactionRecord> parts;
    int64_t nTime = wtx.time;
    CAmount nCredit = wtx.credit;
    CAmount nDebit = wtx.debit;
    CAmount nNet = nCredit - nDebit;
    uint256 hash = wtx.tx->GetHash();
    std::map<std::string, std::string> mapValue = wtx.value_map;

    if (nNet > 0 || wtx.is_coinbase)
    {
        //
        // Credit
        //
        for(unsigned int i = 0; i < wtx.tx->vout.size(); i++)
        {
            const CTxOut& txout = wtx.tx->vout[i];
            isminetype mine = wtx.txout_is_mine[i];
            if(mine)
            {
                TransactionRecord sub(hash, nTime);
                CTxDestination address;
                sub.idx = i; // vout index
                sub.credit = txout.nValue;
                sub.involvesWatchAddress = mine & ISMINE_WATCH_ONLY;
                if (wtx.txout_address_is_mine[i])
                {
                    // Received by Bitcoin Address
                    sub.type = TransactionRecord::RecvWithAddress;
                    sub.address = EncodeDestination(wtx.txout_address[i]);
                }
                else
                {
                    // Received by IP connection (deprecated features), or a multisignature or other non-simple transaction
                    sub.type = TransactionRecord::RecvFromOther;
                    sub.address = mapValue["from"];
                }
                if (wtx.is_coinbase)
                {
                    // Generated
                    sub.type = TransactionRecord::Generated;
                }

                parts.append(sub);
            }
        }
    }
    else
    {
        bool involvesWatchAddress = false;
        isminetype fAllFromMe = ISMINE_SPENDABLE;
        for (isminetype mine : wtx.txin_is_mine)
        {
            if(mine & ISMINE_WATCH_ONLY) involvesWatchAddress = true;
            if(fAllFromMe > mine) fAllFromMe = mine;
        }