mirror of
https://github.com/dashpay/dash.git
synced 2024-12-29 13:59:06 +01:00
324 lines
11 KiB
C++
324 lines
11 KiB
C++
#include <transactiondesc.h>
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#include "guiutil.h"
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#include "headers.h"
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#include "qtui.h"
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#include <QString>
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// Taken straight from ui.cpp
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// TODO: Convert to use QStrings, Qt::Escape and tr()
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// or: refactor and put describeAsHTML() into bitcoin core but that is unneccesary with better
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// UI<->core API, no need to put display logic in core.
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using namespace std;
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static string HtmlEscape(const char* psz, bool fMultiLine=false)
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{
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int len = 0;
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for (const char* p = psz; *p; p++)
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{
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if (*p == '<') len += 4;
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else if (*p == '>') len += 4;
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else if (*p == '&') len += 5;
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else if (*p == '"') len += 6;
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else if (*p == ' ' && p > psz && p[-1] == ' ' && p[1] == ' ') len += 6;
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else if (*p == '\n' && fMultiLine) len += 5;
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else
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len++;
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}
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string str;
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str.reserve(len);
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for (const char* p = psz; *p; p++)
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{
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if (*p == '<') str += "<";
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else if (*p == '>') str += ">";
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else if (*p == '&') str += "&";
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else if (*p == '"') str += """;
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else if (*p == ' ' && p > psz && p[-1] == ' ' && p[1] == ' ') str += " ";
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else if (*p == '\n' && fMultiLine) str += "<br>\n";
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else
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str += *p;
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}
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return str;
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}
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static string HtmlEscape(const string& str, bool fMultiLine=false)
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{
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return HtmlEscape(str.c_str(), fMultiLine);
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}
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static string FormatTxStatus(const CWalletTx& wtx)
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{
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// Status
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if (!wtx.IsFinal())
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{
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if (wtx.nLockTime < 500000000)
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return strprintf(_("Open for %d blocks"), nBestHeight - wtx.nLockTime);
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else
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return strprintf(_("Open until %s"), GUIUtil::DateTimeStr(wtx.nLockTime).toStdString().c_str());
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}
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else
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{
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int nDepth = wtx.GetDepthInMainChain();
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if (GetAdjustedTime() - wtx.nTimeReceived > 2 * 60 && wtx.GetRequestCount() == 0)
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return strprintf(_("%d/offline?"), nDepth);
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else if (nDepth < 6)
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return strprintf(_("%d/unconfirmed"), nDepth);
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else
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return strprintf(_("%d confirmations"), nDepth);
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}
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}
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string TransactionDesc::toHTML(CWallet *wallet, CWalletTx &wtx)
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{
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string strHTML;
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CRITICAL_BLOCK(wallet->cs_mapAddressBook)
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{
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strHTML.reserve(4000);
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strHTML += "<html><font face='verdana, arial, helvetica, sans-serif'>";
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int64 nTime = wtx.GetTxTime();
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int64 nCredit = wtx.GetCredit();
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int64 nDebit = wtx.GetDebit();
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int64 nNet = nCredit - nDebit;
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strHTML += _("<b>Status:</b> ") + FormatTxStatus(wtx);
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int nRequests = wtx.GetRequestCount();
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if (nRequests != -1)
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{
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if (nRequests == 0)
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strHTML += _(", has not been successfully broadcast yet");
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else if (nRequests == 1)
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strHTML += strprintf(_(", broadcast through %d node"), nRequests);
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else
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strHTML += strprintf(_(", broadcast through %d nodes"), nRequests);
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}
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strHTML += "<br>";
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strHTML += _("<b>Date:</b> ") + (nTime ? GUIUtil::DateTimeStr(nTime).toStdString() : "") + "<br>";
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//
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// From
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//
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if (wtx.IsCoinBase())
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{
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strHTML += _("<b>Source:</b> Generated<br>");
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}
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else if (!wtx.mapValue["from"].empty())
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{
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// Online transaction
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if (!wtx.mapValue["from"].empty())
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strHTML += _("<b>From:</b> ") + HtmlEscape(wtx.mapValue["from"]) + "<br>";
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}
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else
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{
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// Offline transaction
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if (nNet > 0)
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{
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// Credit
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BOOST_FOREACH(const CTxOut& txout, wtx.vout)
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{
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if (wallet->IsMine(txout))
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{
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CBitcoinAddress address;
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if (ExtractAddress(txout.scriptPubKey, wallet, address))
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{
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if (wallet->mapAddressBook.count(address))
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{
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strHTML += string() + _("<b>From:</b> ") + _("unknown") + "<br>";
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strHTML += _("<b>To:</b> ");
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strHTML += HtmlEscape(address.ToString());
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if (!wallet->mapAddressBook[address].empty())
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strHTML += _(" (yours, label: ") + HtmlEscape(wallet->mapAddressBook[address]) + ")";
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else
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strHTML += _(" (yours)");
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strHTML += "<br>";
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}
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}
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break;
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}
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}
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}
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}
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//
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// To
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//
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string strAddress;
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if (!wtx.mapValue["to"].empty())
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{
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// Online transaction
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strAddress = wtx.mapValue["to"];
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strHTML += _("<b>To:</b> ");
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if (wallet->mapAddressBook.count(strAddress) && !wallet->mapAddressBook[strAddress].empty())
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strHTML += HtmlEscape(wallet->mapAddressBook[strAddress]) + " ";
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strHTML += HtmlEscape(strAddress) + "<br>";
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}
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//
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// Amount
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//
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if (wtx.IsCoinBase() && nCredit == 0)
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{
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//
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// Coinbase
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//
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int64 nUnmatured = 0;
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BOOST_FOREACH(const CTxOut& txout, wtx.vout)
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nUnmatured += wallet->GetCredit(txout);
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strHTML += _("<b>Credit:</b> ");
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if (wtx.IsInMainChain())
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strHTML += strprintf(_("(%s matures in %d more blocks)"), FormatMoney(nUnmatured).c_str(), wtx.GetBlocksToMaturity());
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else
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strHTML += _("(not accepted)");
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strHTML += "<br>";
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}
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else if (nNet > 0)
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{
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//
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// Credit
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//
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strHTML += _("<b>Credit:</b> ") + FormatMoney(nNet) + "<br>";
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}
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else
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{
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bool fAllFromMe = true;
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BOOST_FOREACH(const CTxIn& txin, wtx.vin)
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fAllFromMe = fAllFromMe && wallet->IsMine(txin);
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bool fAllToMe = true;
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BOOST_FOREACH(const CTxOut& txout, wtx.vout)
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fAllToMe = fAllToMe && wallet->IsMine(txout);
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if (fAllFromMe)
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{
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//
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// Debit
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//
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BOOST_FOREACH(const CTxOut& txout, wtx.vout)
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{
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if (wallet->IsMine(txout))
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continue;
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if (wtx.mapValue["to"].empty())
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{
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// Offline transaction
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CBitcoinAddress address;
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if (ExtractAddress(txout.scriptPubKey, 0, address))
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{
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strHTML += _("<b>To:</b> ");
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if (wallet->mapAddressBook.count(address) && !wallet->mapAddressBook[address].empty())
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strHTML += HtmlEscape(wallet->mapAddressBook[address]) + " ";
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strHTML += HtmlEscape(address.ToString());
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strHTML += "<br>";
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}
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}
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strHTML += _("<b>Debit:</b> ") + FormatMoney(-txout.nValue) + "<br>";
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}
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if (fAllToMe)
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{
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// Payment to self
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int64 nChange = wtx.GetChange();
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int64 nValue = nCredit - nChange;
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strHTML += _("<b>Debit:</b> ") + FormatMoney(-nValue) + "<br>";
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strHTML += _("<b>Credit:</b> ") + FormatMoney(nValue) + "<br>";
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}
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int64 nTxFee = nDebit - wtx.GetValueOut();
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if (nTxFee > 0)
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strHTML += _("<b>Transaction fee:</b> ") + FormatMoney(-nTxFee) + "<br>";
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}
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else
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{
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//
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// Mixed debit transaction
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//
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BOOST_FOREACH(const CTxIn& txin, wtx.vin)
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if (wallet->IsMine(txin))
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strHTML += _("<b>Debit:</b> ") + FormatMoney(-wallet->GetDebit(txin)) + "<br>";
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BOOST_FOREACH(const CTxOut& txout, wtx.vout)
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if (wallet->IsMine(txout))
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strHTML += _("<b>Credit:</b> ") + FormatMoney(wallet->GetCredit(txout)) + "<br>";
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}
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}
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strHTML += _("<b>Net amount:</b> ") + FormatMoney(nNet, true) + "<br>";
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//
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// Message
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//
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if (!wtx.mapValue["message"].empty())
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strHTML += string() + "<br><b>" + _("Message:") + "</b><br>" + HtmlEscape(wtx.mapValue["message"], true) + "<br>";
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if (!wtx.mapValue["comment"].empty())
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strHTML += string() + "<br><b>" + _("Comment:") + "</b><br>" + HtmlEscape(wtx.mapValue["comment"], true) + "<br>";
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if (wtx.IsCoinBase())
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strHTML += string() + "<br>" + _("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>";
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//
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// Debug view
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//
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if (fDebug)
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{
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strHTML += "<hr><br>Debug information<br><br>";
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BOOST_FOREACH(const CTxIn& txin, wtx.vin)
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if(wallet->IsMine(txin))
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strHTML += "<b>Debit:</b> " + FormatMoney(-wallet->GetDebit(txin)) + "<br>";
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BOOST_FOREACH(const CTxOut& txout, wtx.vout)
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if(wallet->IsMine(txout))
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strHTML += "<b>Credit:</b> " + FormatMoney(wallet->GetCredit(txout)) + "<br>";
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strHTML += "<br><b>Transaction:</b><br>";
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strHTML += HtmlEscape(wtx.ToString(), true);
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CTxDB txdb("r"); // To fetch source txouts
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strHTML += "<br><b>Inputs:</b>";
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strHTML += "<ul>";
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CRITICAL_BLOCK(wallet->cs_mapWallet)
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{
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BOOST_FOREACH(const CTxIn& txin, wtx.vin)
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{
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COutPoint prevout = txin.prevout;
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CTransaction prev;
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if(txdb.ReadDiskTx(prevout.hash, prev))
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{
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if (prevout.n < prev.vout.size())
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{
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strHTML += "<li>";
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const CTxOut &vout = prev.vout[prevout.n];
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CBitcoinAddress address;
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if (ExtractAddress(vout.scriptPubKey, 0, address))
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{
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if (wallet->mapAddressBook.count(address) && !wallet->mapAddressBook[address].empty())
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strHTML += HtmlEscape(wallet->mapAddressBook[address]) + " ";
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strHTML += address.ToString();
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}
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strHTML = strHTML + " Amount=" + FormatMoney(vout.nValue);
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strHTML = strHTML + " IsMine=" + (wallet->IsMine(vout) ? "true" : "false") + "</li>";
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}
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}
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}
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}
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strHTML += "</ul>";
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}
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strHTML += "</font></html>";
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}
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return strHTML;
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}
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