src/qt/transactiondesc.cpp

   1 #include <transactiondesc.h>
   2
   3 #include "guiutil.h"
   4 #include "bitcoinunits.h"
   5
   6 #include "headers.h"
   7 #include "qtui.h"
   8
   9 #include <QString>
  10
  11 using namespace std;
  12
  13 QString TransactionDesc::FormatTxStatus(const CWalletTx& wtx)
  14 {
  15     if (!wtx.IsFinal())
  16     {
  17         if (wtx.nLockTime < LOCKTIME_THRESHOLD)
  18             return tr("Open for %1 blocks").arg(nBestHeight - wtx.nLockTime);
  19         else
  20             return tr("Open until %1").arg(GUIUtil::dateTimeStr(wtx.nLockTime));
  21     }
  22     else
  23     {
  24         int nDepth = wtx.GetDepthInMainChain();
  25         if (GetAdjustedTime() - wtx.nTimeReceived > 2 * 60 && wtx.GetRequestCount() == 0)
  26             return tr("%1/offline?").arg(nDepth);
  27         else if (nDepth < 6)
  28             return tr("%1/unconfirmed").arg(nDepth);
  29         else
  30             return tr("%1 confirmations").arg(nDepth);
  31     }
  32 }
  33
  34 QString TransactionDesc::toHTML(CWallet *wallet, CWalletTx &wtx)
  35 {
  36     QString strHTML;
  37     CRITICAL_BLOCK(wallet->cs_wallet)
  38     {
  39         strHTML.reserve(4000);
  40         strHTML += "<html><font face='verdana, arial, helvetica, sans-serif'>";
  41
  42         int64 nTime = wtx.GetTxTime();
  43         int64 nCredit = wtx.GetCredit();
  44         int64 nDebit = wtx.GetDebit();
  45         int64 nNet = nCredit - nDebit;
  46
  47         strHTML += tr("<b>Status:</b> ") + FormatTxStatus(wtx);
  48         int nRequests = wtx.GetRequestCount();
  49         if (nRequests != -1)
  50         {
  51             if (nRequests == 0)
  52                 strHTML += tr(", has not been successfully broadcast yet");
  53             else if (nRequests == 1)
  54                 strHTML += tr(", broadcast through %1 node").arg(nRequests);
  55             else
  56                 strHTML += tr(", broadcast through %1 nodes").arg(nRequests);
  57         }
  58         strHTML += "<br>";
  59
  60         strHTML += tr("<b>Date:</b> ") + (nTime ? GUIUtil::dateTimeStr(nTime) : QString("")) + "<br>";
  61
  62         //
  63         // From
  64         //
  65         if (wtx.IsCoinBase())
  66         {
  67             strHTML += tr("<b>Source:</b> Generated<br>");
  68         }
  69         else if (!wtx.mapValue["from"].empty())
  70         {
  71             // Online transaction
  72             if (!wtx.mapValue["from"].empty())
  73                 strHTML += tr("<b>From:</b> ") + GUIUtil::HtmlEscape(wtx.mapValue["from"]) + "<br>";
  74         }
  75         else
  76         {
  77             // Offline transaction
  78             if (nNet > 0)
  79             {
  80                 // Credit
  81                 BOOST_FOREACH(const CTxOut& txout, wtx.vout)
  82                 {
  83                     if (wallet->IsMine(txout))
  84                     {
  85                         CBitcoinAddress address;
  86                         if (ExtractAddress(txout.scriptPubKey, address) && wallet->HaveKey(address))
  87                         {
  88                             if (wallet->mapAddressBook.count(address))
  89                             {
  90                                 strHTML += tr("<b>From:</b> ") + tr("unknown") + "<br>";
  91                                 strHTML += tr("<b>To:</b> ");
  92                                 strHTML += GUIUtil::HtmlEscape(address.ToString());
  93                                 if (!wallet->mapAddressBook[address].empty())
  94                                     strHTML += tr(" (yours, label: ") + GUIUtil::HtmlEscape(wallet->mapAddressBook[address]) + ")";
  95                                 else
  96                                     strHTML += tr(" (yours)");
  97                                 strHTML += "<br>";
  98                             }
  99                         }
 100                         break;
 101                     }
 102                 }
 103             }
 104         }
 105
 106         //
 107         // To
 108         //
 109         string strAddress;
 110         if (!wtx.mapValue["to"].empty())
 111         {
 112             // Online transaction
 113             strAddress = wtx.mapValue["to"];
 114             strHTML += tr("<b>To:</b> ");
 115             if (wallet->mapAddressBook.count(strAddress) && !wallet->mapAddressBook[strAddress].empty())
 116                 strHTML += GUIUtil::HtmlEscape(wallet->mapAddressBook[strAddress]) + " ";
 117             strHTML += GUIUtil::HtmlEscape(strAddress) + "<br>";
 118         }
 119
 120         //
 121         // Amount
 122         //
 123         if (wtx.IsCoinBase() && nCredit == 0)
 124         {
 125             //
 126             // Coinbase
 127             //
 128             int64 nUnmatured = 0;
 129             BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 130                 nUnmatured += wallet->GetCredit(txout);
 131             strHTML += tr("<b>Credit:</b> ");
 132             if (wtx.IsInMainChain())
 133                 strHTML += tr("(%1 matures in %2 more blocks)")
 134                         .arg(BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nUnmatured))
 135                         .arg(wtx.GetBlocksToMaturity());
 136             else
 137                 strHTML += tr("(not accepted)");
 138             strHTML += "<br>";
 139         }
 140         else if (nNet > 0)
 141         {
 142             //
 143             // Credit
 144             //
 145             strHTML += tr("<b>Credit:</b> ") + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nNet) + "<br>";
 146         }
 147         else
 148         {
 149             bool fAllFromMe = true;
 150             BOOST_FOREACH(const CTxIn& txin, wtx.vin)
 151                 fAllFromMe = fAllFromMe && wallet->IsMine(txin);
 152
 153             bool fAllToMe = true;
 154             BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 155                 fAllToMe = fAllToMe && wallet->IsMine(txout);
 156
 157             if (fAllFromMe)
 158             {
 159                 //
 160                 // Debit
 161                 //
 162                 BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 163                 {
 164                     if (wallet->IsMine(txout))
 165                         continue;
 166
 167                     if (wtx.mapValue["to"].empty())
 168                     {
 169                         // Offline transaction
 170                         CBitcoinAddress address;
 171                         if (ExtractAddress(txout.scriptPubKey, address))
 172                         {
 173                             strHTML += tr("<b>To:</b> ");
 174                             if (wallet->mapAddressBook.count(address) && !wallet->mapAddressBook[address].empty())
 175                                 strHTML += GUIUtil::HtmlEscape(wallet->mapAddressBook[address]) + " ";
 176                             strHTML += GUIUtil::HtmlEscape(address.ToString());
 177                             strHTML += "<br>";
 178                         }
 179                     }
 180
 181                     strHTML += tr("<b>Debit:</b> ") + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, -txout.nValue) + "<br>";
 182                 }
 183
 184                 if (fAllToMe)
 185                 {
 186                     // Payment to self
 187                     int64 nChange = wtx.GetChange();
 188                     int64 nValue = nCredit - nChange;
 189                     strHTML += tr("<b>Debit:</b> ") + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, -nValue) + "<br>";
 190                     strHTML += tr("<b>Credit:</b> ") + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nValue) + "<br>";
 191                 }
 192
 193                 int64 nTxFee = nDebit - wtx.GetValueOut();
 194                 if (nTxFee > 0)
 195                     strHTML += tr("<b>Transaction fee:</b> ") + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC,-nTxFee) + "<br>";
 196             }
 197             else
 198             {
 199                 //
 200                 // Mixed debit transaction
 201                 //
 202                 BOOST_FOREACH(const CTxIn& txin, wtx.vin)
 203                     if (wallet->IsMine(txin))
 204                         strHTML += tr("<b>Debit:</b> ") + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC,-wallet->GetDebit(txin)) + "<br>";
 205                 BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 206                     if (wallet->IsMine(txout))
 207                         strHTML += tr("<b>Credit:</b> ") + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC,wallet->GetCredit(txout)) + "<br>";
 208             }
 209         }
 210
 211         strHTML += tr("<b>Net amount:</b> ") + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC,nNet, true) + "<br>";
 212
 213         //
 214         // Message
 215         //
 216         if (!wtx.mapValue["message"].empty())
 217             strHTML += QString("<br><b>") + tr("Message:") + "</b><br>" + GUIUtil::HtmlEscape(wtx.mapValue["message"], true) + "<br>";
 218         if (!wtx.mapValue["comment"].empty())
 219             strHTML += QString("<br><b>") + tr("Comment:") + "</b><br>" + GUIUtil::HtmlEscape(wtx.mapValue["comment"], true) + "<br>";
 220
 221         if (wtx.IsCoinBase())
 222             strHTML += QString("<br>") + tr("Generated coins must wait 120 blocks before they can be spent.  When you generated this block, it was broadcast to the network to be added to the block chain.  If it fails to get into the chain, it will change to \"not accepted\" and not be spendable.  This may occasionally happen if another node generates a block within a few seconds of yours.") + "<br>";
 223
 224         //
 225         // Debug view
 226         //
 227         if (fDebug)
 228         {
 229             strHTML += "<hr><br>Debug information<br><br>";
 230             BOOST_FOREACH(const CTxIn& txin, wtx.vin)
 231                 if(wallet->IsMine(txin))
 232                     strHTML += "<b>Debit:</b> " + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC,-wallet->GetDebit(txin)) + "<br>";
 233             BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 234                 if(wallet->IsMine(txout))
 235                     strHTML += "<b>Credit:</b> " + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC,wallet->GetCredit(txout)) + "<br>";
 236
 237             strHTML += "<br><b>Transaction:</b><br>";
 238             strHTML += GUIUtil::HtmlEscape(wtx.ToString(), true);
 239
 240             CTxDB txdb("r"); // To fetch source txouts
 241
 242             strHTML += "<br><b>Inputs:</b>";
 243             strHTML += "<ul>";
 244             CRITICAL_BLOCK(wallet->cs_wallet)
 245             {
 246                 BOOST_FOREACH(const CTxIn& txin, wtx.vin)
 247                 {
 248                     COutPoint prevout = txin.prevout;
 249
 250                     CTransaction prev;
 251                     if(txdb.ReadDiskTx(prevout.hash, prev))
 252                     {
 253                         if (prevout.n < prev.vout.size())
 254                         {
 255                             strHTML += "<li>";
 256                             const CTxOut &vout = prev.vout[prevout.n];
 257                             CBitcoinAddress address;
 258                             if (ExtractAddress(vout.scriptPubKey, address))
 259                             {
 260                                 if (wallet->mapAddressBook.count(address) && !wallet->mapAddressBook[address].empty())
 261                                     strHTML += GUIUtil::HtmlEscape(wallet->mapAddressBook[address]) + " ";
 262                                 strHTML += QString::fromStdString(address.ToString());
 263                             }
 264                             strHTML = strHTML + " Amount=" + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC,vout.nValue);
 265                             strHTML = strHTML + " IsMine=" + (wallet->IsMine(vout) ? "true" : "false") + "</li>";
 266                         }
 267                     }
 268                 }
 269             }
 270             strHTML += "</ul>";
 271         }
 272
 273         strHTML += "</font></html>";
 274     }
 275     return strHTML;
 276 }