src/qt/multisiginputentry.cpp

   1 #include <QApplication>
   2 #include <QClipboard>
   3 #include <string>
   4 #include <vector>
   5
   6 #include "base58.h"
   7 #include "multisiginputentry.h"
   8 #include "ui_multisiginputentry.h"
   9 #include "main.h"
  10 #include "script.h"
  11 #include "util.h"
  12 #include "wallet.h"
  13 #include "walletmodel.h"
  14
  15
  16 MultisigInputEntry::MultisigInputEntry(QWidget *parent) : QFrame(parent), ui(new Ui::MultisigInputEntry), model(0)
  17 {
  18     ui->setupUi(this);
  19 }
  20
  21 MultisigInputEntry::~MultisigInputEntry()
  22 {
  23     delete ui;
  24 }
  25
  26 void MultisigInputEntry::setModel(WalletModel *model)
  27 {
  28     this->model = model;
  29     clear();
  30 }
  31
  32 void MultisigInputEntry::clear()
  33 {
  34     ui->transactionId->clear();
  35     ui->transactionOutput->clear();
  36     ui->redeemScript->clear();
  37 }
  38
  39 bool MultisigInputEntry::validate()
  40 {
  41     return (ui->transactionOutput->count() > 0);
  42 }
  43
  44 CTxIn MultisigInputEntry::getInput()
  45 {
  46     unsigned int nOutput = ui->transactionOutput->currentIndex();
  47     CTxIn input(COutPoint(txHash, nOutput));
  48
  49     return input;
  50 }
  51
  52 int64_t MultisigInputEntry::getAmount()
  53 {
  54     int64_t amount = 0;
  55     unsigned int nOutput = ui->transactionOutput->currentIndex();
  56     CTransaction tx;
  57     uint256 blockHash = 0;
  58
  59     if(GetTransaction(txHash, tx, blockHash))
  60     {
  61         if(nOutput < tx.vout.size())
  62         {
  63             const CTxOut& txOut = tx.vout[nOutput];
  64             amount = txOut.nValue;
  65         }
  66     }
  67
  68     return amount;
  69 }
  70
  71 QString MultisigInputEntry::getRedeemScript()
  72 {
  73     return ui->redeemScript->text();
  74 }
  75
  76 void MultisigInputEntry::setTransactionId(QString transactionId)
  77 {
  78     ui->transactionId->setText(transactionId);
  79 }
  80
  81 void MultisigInputEntry::setTransactionOutputIndex(int index)
  82 {
  83     ui->transactionOutput->setCurrentIndex(index);
  84 }
  85
  86 void MultisigInputEntry::setRemoveEnabled(bool enabled)
  87 {
  88     ui->deleteButton->setEnabled(enabled);
  89 }
  90
  91 void MultisigInputEntry::on_pasteTransactionIdButton_clicked()
  92 {
  93     ui->transactionId->setText(QApplication::clipboard()->text());
  94 }
  95
  96 void MultisigInputEntry::on_deleteButton_clicked()
  97 {
  98     emit removeEntry(this);
  99 }
 100
 101 void MultisigInputEntry::on_pasteRedeemScriptButton_clicked()
 102 {
 103     ui->redeemScript->setText(QApplication::clipboard()->text());
 104 }
 105
 106 void MultisigInputEntry::on_transactionId_textChanged(const QString &transactionId)
 107 {
 108     ui->transactionOutput->clear();
 109     if(transactionId.isEmpty())
 110         return;
 111
 112     // Make list of transaction outputs
 113     txHash.SetHex(transactionId.toStdString().c_str());
 114     CTransaction tx;
 115     uint256 blockHash = 0;
 116     if(!GetTransaction(txHash, tx, blockHash))
 117         return;
 118     for(unsigned int i = 0; i < tx.vout.size(); i++)
 119     {
 120         QString idStr;
 121         idStr.setNum(i);
 122         const CTxOut& txOut = tx.vout[i];
 123         int64_t amount = txOut.nValue;
 124         QString amountStr;
 125         amountStr.sprintf("%.6f", (double) amount / COIN);
 126         CScript script = txOut.scriptPubKey;
 127         CTxDestination addr;
 128         if(ExtractDestination(script, addr))
 129         {
 130             CBitcoinAddress address(addr);
 131             QString addressStr(address.ToString().c_str());
 132             ui->transactionOutput->addItem(idStr + QString(" - ") + addressStr + QString(" - ") + amountStr + QString(" NVC"));
 133         }
 134         else
 135             ui->transactionOutput->addItem(idStr + QString(" - ") + amountStr + QString(" NVC"));
 136     }
 137 }
 138
 139 void MultisigInputEntry::on_transactionOutput_currentIndexChanged(int index)
 140 {
 141     if(ui->transactionOutput->itemText(index).isEmpty())
 142         return;
 143
 144     CTransaction tx;
 145     uint256 blockHash = 0;
 146     if(!GetTransaction(txHash, tx, blockHash))
 147         return;
 148     const CTxOut& txOut = tx.vout[index];
 149     CScript script = txOut.scriptPubKey;
 150
 151     if(script.IsPayToScriptHash())
 152     {
 153         ui->redeemScript->setEnabled(true);
 154
 155         if(model)
 156         {
 157              // Try to find the redeem script
 158              CTxDestination dest;
 159             if(ExtractDestination(script, dest))
 160             {
 161                 CScriptID scriptID = boost::get<CScriptID>(dest);
 162                 CScript redeemScript;
 163                 if(model->getWallet()->GetCScript(scriptID, redeemScript))
 164                     ui->redeemScript->setText(HexStr(redeemScript.begin(), redeemScript.end()).c_str());
 165             }
 166         }
 167     }
 168     else
 169     {
 170         ui->redeemScript->setEnabled(false);
 171     }
 172
 173     emit updateAmount();
 174 }