diff options
| -rw-r--r-- | src/qt/guiutil.cpp | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/qt/guiutil.cpp b/src/qt/guiutil.cpp index 4327de9b0c..947a4c6821 100644 --- a/src/qt/guiutil.cpp +++ b/src/qt/guiutil.cpp @@ -107,6 +107,23 @@ QFont fixedPitchFont() #endif } +// Just some dummy data to generate an convincing random-looking (but consistent) address +static const uint8_t dummydata[] = {0xeb,0x15,0x23,0x1d,0xfc,0xeb,0x60,0x92,0x58,0x86,0xb6,0x7d,0x06,0x52,0x99,0x92,0x59,0x15,0xae,0xb1,0x72,0xc0,0x66,0x47}; + +// Generate a dummy address with invalid CRC, starting with the network prefix. +static std::string DummyAddress(const CChainParams ¶ms) +{ + std::vector<unsigned char> sourcedata = params.Base58Prefix(CChainParams::PUBKEY_ADDRESS); + sourcedata.insert(sourcedata.end(), dummydata, dummydata + sizeof(dummydata)); + for(int i=0; i<256; ++i) { // Try every trailing byte + std::string s = EncodeBase58(begin_ptr(sourcedata), end_ptr(sourcedata)); + if (!CBitcoinAddress(s).IsValid()) + return s; + sourcedata[sourcedata.size()-1] += 1; + } + return ""; +} + void setupAddressWidget(QValidatedLineEdit *widget, QWidget *parent) { parent->setFocusProxy(widget); @@ -115,7 +132,8 @@ void setupAddressWidget(QValidatedLineEdit *widget, QWidget *parent) #if QT_VERSION >= 0x040700 // We don't want translators to use own addresses in translations // and this is the only place, where this address is supplied. - widget->setPlaceholderText(QObject::tr("Enter a Bitcoin address (e.g. %1)").arg("1NS17iag9jJgTHD1VXjvLCEnZuQ3rJDE9L")); + widget->setPlaceholderText(QObject::tr("Enter a Bitcoin address (e.g. %1)").arg( + QString::fromStdString(DummyAddress(Params())))); #endif widget->setValidator(new BitcoinAddressEntryValidator(parent)); widget->setCheckValidator(new BitcoinAddressCheckValidator(parent)); |