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312 lines
11 KiB
312 lines
11 KiB
#include <transactiondesc.h> |
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#include "guiutil.h" |
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#include "main.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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vector<unsigned char> vchPubKey; |
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if (ExtractPubKey(txout.scriptPubKey, wallet, vchPubKey)) |
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{ |
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string strAddress = PubKeyToAddress(vchPubKey); |
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if (wallet->mapAddressBook.count(strAddress)) |
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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(strAddress); |
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if (!wallet->mapAddressBook[strAddress].empty()) |
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strHTML += _(" (yours, label: ") + wallet->mapAddressBook[strAddress] + ")"; |
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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 += 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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uint160 hash160; |
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if (ExtractHash160(txout.scriptPubKey, hash160)) |
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{ |
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string strAddress = Hash160ToAddress(hash160); |
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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 += wallet->mapAddressBook[strAddress] + " "; |
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strHTML += strAddress; |
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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 print<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->IsMine(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->IsMine(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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strHTML += "<br><b>Inputs:</b><br>"; |
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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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map<uint256, CWalletTx>::iterator mi = wallet->mapWallet.find(prevout.hash); |
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if (mi != wallet->mapWallet.end()) |
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{ |
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const CWalletTx& prev = (*mi).second; |
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if (prevout.n < prev.vout.size()) |
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{ |
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strHTML += HtmlEscape(prev.ToString(), true); |
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strHTML += " " + FormatTxStatus(prev) + ", "; |
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strHTML = strHTML + "IsMine=" + (wallet->IsMine(prev.vout[prevout.n]) ? "true" : "false") + "<br>"; |
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} |
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} |
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} |
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} |
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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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