src/qt/transactiondesc.cpp

   1 #include "transactiondesc.h"
   2
   3 #include "guiutil.h"
   4 #include "bitcoinunits.h"
   5
   6 #include "headers.h"
   7 #include "ui_interface.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
  38     {
  39         LOCK(wallet->cs_wallet);
  40         strHTML.reserve(4000);
  41         strHTML += "<html><font face='verdana, arial, helvetica, sans-serif'>";
  42
  43         int64 nTime = wtx.GetTxTime();
  44         int64 nCredit = wtx.GetCredit();
  45         int64 nDebit = wtx.GetDebit();
  46         int64 nNet = nCredit - nDebit;
  47
  48         strHTML += tr("<b>Status:</b> ") + FormatTxStatus(wtx);
  49         int nRequests = wtx.GetRequestCount();
  50         if (nRequests != -1)
  51         {
  52             if (nRequests == 0)
  53                 strHTML += tr(", has not been successfully broadcast yet");
  54             else if (nRequests == 1)
  55                 strHTML += tr(", broadcast through %1 node").arg(nRequests);
  56             else
  57                 strHTML += tr(", broadcast through %1 nodes").arg(nRequests);
  58         }
  59         strHTML += "<br>";
  60
  61         strHTML += tr("<b>Date:</b> ") + (nTime ? GUIUtil::dateTimeStr(nTime) : QString("")) + "<br>";
  62
  63         //
  64         // From
  65         //
  66         if (wtx.IsCoinBase())
  67         {
  68             strHTML += tr("<b>Source:</b> Generated<br>");
  69         }
  70         else if (!wtx.mapValue["from"].empty())
  71         {
  72             // Online transaction
  73             if (!wtx.mapValue["from"].empty())
  74                 strHTML += tr("<b>From:</b> ") + GUIUtil::HtmlEscape(wtx.mapValue["from"]) + "<br>";
  75         }
  76         else
  77         {
  78             // Offline transaction
  79             if (nNet > 0)
  80             {
  81                 // Credit
  82                 BOOST_FOREACH(const CTxOut& txout, wtx.vout)
  83                 {
  84                     if (wallet->IsMine(txout))
  85                     {
  86                         CBitcoinAddress address;
  87                         if (ExtractAddress(txout.scriptPubKey, address) && wallet->HaveKey(address))
  88                         {
  89                             if (wallet->mapAddressBook.count(address))
  90                             {
  91                                 strHTML += tr("<b>From:</b> ") + tr("unknown") + "<br>";
  92                                 strHTML += tr("<b>To:</b> ");
  93                                 strHTML += GUIUtil::HtmlEscape(address.ToString());
  94                                 if (!wallet->mapAddressBook[address].empty())
  95                                     strHTML += tr(" (yours, label: ") + GUIUtil::HtmlEscape(wallet->mapAddressBook[address]) + ")";
  96                                 else
  97                                     strHTML += tr(" (yours)");
  98                                 strHTML += "<br>";
  99                             }
 100                         }
 101                         break;
 102                     }
 103                 }
 104             }
 105         }
 106
 107         //
 108         // To
 109         //
 110         string strAddress;
 111         if (!wtx.mapValue["to"].empty())
 112         {
 113             // Online transaction
 114             strAddress = wtx.mapValue["to"];
 115             strHTML += tr("<b>To:</b> ");
 116             if (wallet->mapAddressBook.count(strAddress) && !wallet->mapAddressBook[strAddress].empty())
 117                 strHTML += GUIUtil::HtmlEscape(wallet->mapAddressBook[strAddress]) + " ";
 118             strHTML += GUIUtil::HtmlEscape(strAddress) + "<br>";
 119         }
 120
 121         //
 122         // Amount
 123         //
 124         if (wtx.IsCoinBase() && nCredit == 0)
 125         {
 126             //
 127             // Coinbase
 128             //
 129             int64 nUnmatured = 0;
 130             BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 131                 nUnmatured += wallet->GetCredit(txout);
 132             strHTML += tr("<b>Credit:</b> ");
 133             if (wtx.IsInMainChain())
 134                 strHTML += tr("(%1 matures in %2 more blocks)")
 135                         .arg(BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nUnmatured))
 136                         .arg(wtx.GetBlocksToMaturity());
 137             else
 138                 strHTML += tr("(not accepted)");
 139             strHTML += "<br>";
 140         }
 141         else if (nNet > 0)
 142         {
 143             //
 144             // Credit
 145             //
 146             strHTML += tr("<b>Credit:</b> ") + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nNet) + "<br>";
 147         }
 148         else
 149         {
 150             bool fAllFromMe = true;
 151             BOOST_FOREACH(const CTxIn& txin, wtx.vin)
 152                 fAllFromMe = fAllFromMe && wallet->IsMine(txin);
 153
 154             bool fAllToMe = true;
 155             BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 156                 fAllToMe = fAllToMe && wallet->IsMine(txout);
 157
 158             if (fAllFromMe)
 159             {
 160                 //
 161                 // Debit
 162                 //
 163                 BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 164                 {
 165                     if (wallet->IsMine(txout))
 166                         continue;
 167
 168                     if (wtx.mapValue["to"].empty())
 169                     {
 170                         // Offline transaction
 171                         CBitcoinAddress address;
 172                         if (ExtractAddress(txout.scriptPubKey, address))
 173                         {
 174                             strHTML += tr("<b>To:</b> ");
 175                             if (wallet->mapAddressBook.count(address) && !wallet->mapAddressBook[address].empty())
 176                                 strHTML += GUIUtil::HtmlEscape(wallet->mapAddressBook[address]) + " ";
 177                             strHTML += GUIUtil::HtmlEscape(address.ToString());
 178                             strHTML += "<br>";
 179                         }
 180                     }
 181
 182                     strHTML += tr("<b>Debit:</b> ") + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, -txout.nValue) + "<br>";
 183                 }
 184
 185                 if (fAllToMe)
 186                 {
 187                     // Payment to self
 188                     int64 nChange = wtx.GetChange();
 189                     int64 nValue = nCredit - nChange;
 190                     strHTML += tr("<b>Debit:</b> ") + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, -nValue) + "<br>";
 191                     strHTML += tr("<b>Credit:</b> ") + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nValue) + "<br>";
 192                 }
 193
 194                 int64 nTxFee = nDebit - wtx.GetValueOut();
 195                 if (nTxFee > 0)
 196                     strHTML += tr("<b>Transaction fee:</b> ") + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC,-nTxFee) + "<br>";
 197             }
 198             else
 199             {
 200                 //
 201                 // Mixed debit transaction
 202                 //
 203                 BOOST_FOREACH(const CTxIn& txin, wtx.vin)
 204                     if (wallet->IsMine(txin))
 205                         strHTML += tr("<b>Debit:</b> ") + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC,-wallet->GetDebit(txin)) + "<br>";
 206                 BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 207                     if (wallet->IsMine(txout))
 208                         strHTML += tr("<b>Credit:</b> ") + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC,wallet->GetCredit(txout)) + "<br>";
 209             }
 210         }
 211
 212         strHTML += tr("<b>Net amount:</b> ") + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC,nNet, true) + "<br>";
 213
 214         //
 215         // Message
 216         //
 217         if (!wtx.mapValue["message"].empty())
 218             strHTML += QString("<br><b>") + tr("Message:") + "</b><br>" + GUIUtil::HtmlEscape(wtx.mapValue["message"], true) + "<br>";
 219         if (!wtx.mapValue["comment"].empty())
 220             strHTML += QString("<br><b>") + tr("Comment:") + "</b><br>" + GUIUtil::HtmlEscape(wtx.mapValue["comment"], true) + "<br>";
 221
 222         strHTML += QString("<b>") + tr("Transaction ID:") + "</b> " + wtx.GetHash().ToString().c_str() + "<br>";
 223
 224         if (wtx.IsCoinBase())
 225             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>";
 226
 227         //
 228         // Debug view
 229         //
 230         if (fDebug)
 231         {
 232             strHTML += "<hr><br>Debug information<br><br>";
 233             BOOST_FOREACH(const CTxIn& txin, wtx.vin)
 234                 if(wallet->IsMine(txin))
 235                     strHTML += "<b>Debit:</b> " + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC,-wallet->GetDebit(txin)) + "<br>";
 236             BOOST_FOREACH(const CTxOut& txout, wtx.vout)
 237                 if(wallet->IsMine(txout))
 238                     strHTML += "<b>Credit:</b> " + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC,wallet->GetCredit(txout)) + "<br>";
 239
 240             strHTML += "<br><b>Transaction:</b><br>";
 241             strHTML += GUIUtil::HtmlEscape(wtx.ToString(), true);
 242
 243             CTxDB txdb("r"); // To fetch source txouts
 244
 245             strHTML += "<br><b>Inputs:</b>";
 246             strHTML += "<ul>";
 247
 248             {
 249                 LOCK(wallet->cs_wallet);
 250                 BOOST_FOREACH(const CTxIn& txin, wtx.vin)
 251                 {
 252                     COutPoint prevout = txin.prevout;
 253
 254                     CTransaction prev;
 255                     if(txdb.ReadDiskTx(prevout.hash, prev))
 256                     {
 257                         if (prevout.n < prev.vout.size())
 258                         {
 259                             strHTML += "<li>";
 260                             const CTxOut &vout = prev.vout[prevout.n];
 261                             CBitcoinAddress address;
 262                             if (ExtractAddress(vout.scriptPubKey, address))
 263                             {
 264                                 if (wallet->mapAddressBook.count(address) && !wallet->mapAddressBook[address].empty())
 265                                     strHTML += GUIUtil::HtmlEscape(wallet->mapAddressBook[address]) + " ";
 266                                 strHTML += QString::fromStdString(address.ToString());
 267                             }
 268                             strHTML = strHTML + " Amount=" + BitcoinUnits::formatWithUnit(BitcoinUnits::BTC,vout.nValue);
 269                             strHTML = strHTML + " IsMine=" + (wallet->IsMine(vout) ? "true" : "false") + "</li>";
 270                         }
 271                     }
 272                 }
 273             }
 274             strHTML += "</ul>";
 275         }
 276
 277         strHTML += "</font></html>";
 278     }
 279     return strHTML;
 280 }