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    [Dev] Documenting Feathercoin Specific Software settings - Part 6

    Technical Development
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    • wrapper
      wrapper Moderators last edited by

      Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

      Add stealth address : - commit

      https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

      src/qt/forms/editaddressdialog.ui

       +      <item row="2" column="0">
       +       <widget class="QCheckBox" name="stealthCB">
       +        <property name="text">
       +         <string>Stealth Address</string>
       +        </property>
       +       </widget>
       +      </item>
      

      Code added

      1 Reply Last reply Reply Quote 1
      • wrapper
        wrapper Moderators last edited by wrapper

        Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

        Add stealth address : - commit

        https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

        src/qt/receivecoinsdialog.cpp

         -        address = model     ->getAddressTableModel()     ->addRow(AddressTableModel::Receive, label, "");
         +      int typeInd  = AddressTableModel::AT_Normal;
         +      address = model     ->getAddressTableModel()     ->addRow(AddressTableModel::Receive, label, "",typeInd);
        

        Code replaced

         -    ui->reqAmount->value(), ui->reqMessage->text());
         +   ui->reqAmount->value(), ui->reqMessage->text());
        

        Code replaced

        1 Reply Last reply Reply Quote 1
        • wrapper
          wrapper Moderators last edited by wrapper

          Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

          Add stealth address : - commit

          https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

          src/qt/sendcoinsdialog.cpp

          +		//QMessageBox::information(NULL, "Info1", "Click_SendButton", QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
          

          Code added

          1 Reply Last reply Reply Quote 1
          • wrapper
            wrapper Moderators last edited by wrapper

            Add stealth address : - commit

            https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

            src/qt/sendcoinsentry.cpp

             + #include "stealth.h"
            
             + #include <QDebug>
            

            Code added

             +     
             +     if (recipient.address.length() > 75 
             +         && IsStealthAddress(recipient.address.toStdString()))
             +         recipient.typeInd = AddressTableModel::AT_Stealth;
             +     else
             +         recipient.typeInd = AddressTableModel::AT_Normal;
             +         	
             +     qDebug() << "SendCoinsEntry::getValue,recipient.typeInd ="     + QString::number(recipient.typeInd);
            

            Code added

             +     
             +     if (recipient.address.length() > 75 
             +         && IsStealthAddress(recipient.address.toStdString()))
             +         recipient.typeInd = AddressTableModel::AT_Stealth;
             +     else
             +         recipient.typeInd = AddressTableModel::AT_Normal;
             +         	
             +     qDebug() << "SendCoinsEntry::getValue,recipient.typeInd ="+ QString::number(recipient.typeInd);
            

            Code added

            1 Reply Last reply Reply Quote 1
            • wrapper
              wrapper Moderators last edited by wrapper

              Add stealth address : - commit

              https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

              src/qt/transactiondesc.cpp

               +         char cbuf[256];
               +         for (int k = 0; k < wtx.vout.size();      +      + k)
               +         {
               +             snprintf(cbuf, sizeof(cbuf), "n_%d", k);
               +             if (wtx.mapValue.count(cbuf) && !wtx.mapValue[cbuf].empty())
               +                 strHTML      + = "<br><b>"      +  tr(cbuf)      +  ":</b> "      +  GUIUtil::HtmlEscape(wtx.mapValue[cbuf], true)      +  "<br>";
               +         }
               +         
              

              Code added

              1 Reply Last reply Reply Quote 1
              • wrapper
                wrapper Moderators last edited by

                Add stealth address : - commit

                https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

                src/qt/walletmodel.cpp

                 + #include <QMessageBox>
                 + 
                 + #if defined(_MSC_VER) || defined(__MSVCRT__)
                 +   /* (s)size_t and ptrdiff_t have the same size specifier in MSVC:
                 +      http://msdn.microsoft.com/en-us/library/tcxf1dw6%28v=vs.100%29.aspx
                 +    */
                 +   #define PRIszx    "Ix"
                 +   #define PRIszu    "Iu"
                 +   #define PRIszd    "Id"
                 +   #define PRIpdx    "Ix"
                 +   #define PRIpdu    "Iu"
                 +   #define PRIpdd    "Id"
                 + #else /* C99 standard */
                 +   #define PRIszx    "zx"
                 +   #define PRIszu    "zu"
                 +   #define PRIszd    "zd"
                 +   #define PRIpdx    "tx"
                 +   #define PRIpdu    "tu"
                 +   #define PRIpdd    "td"
                 + #endif
                

                Additional code

                 -    CBitcoinAddress addressParsed(address.toStdString());
                

                Code removed

                 +     std::string sAddr = address.toStdString();
                 +     
                 +     if (sAddr.length() > 75)
                 +     {
                 +         if (IsStealthAddress(sAddr))
                 +             return true;
                 +     };
                 +     
                 +     CBitcoinAddress addressParsed(sAddr);
                

                Code replaced

                •    {   // User-entered feathercoin address / amount:
                  

                Comment changed? name to Feathercoin

                 +             std::string sAddr = rcp.address.toStdString();            
                 +             if (rcp.typeInd == AddressTableModel::AT_Stealth)
                 +             {
                 +                 CStealthAddress sxAddr;
                 +                 if (sxAddr.SetEncoded(sAddr))
                 +                 {
                 +                     ec_secret ephem_secret;
                 +                     ec_secret secretShared;
                 +                     ec_point pkSendTo;
                 +                     ec_point ephem_pubkey;
                 +                     
                 +                     
                 +                     if (GenerateRandomSecret(ephem_secret) != 0)
                 +                     {
                 +                         printf("GenerateRandomSecret failed.\n");
                 +                         return Aborted;
                 +                     };
                 +                     
                 +                     if (StealthSecret(ephem_secret, sxAddr.scan_pubkey, sxAddr.spend_pubkey, secretShared, pkSendTo) != 0)
                 +                     {
                 +                         printf("Could not generate receiving public key.\n");
                 +                         return Aborted;
                 +                     };
                 +                     
                 +                     CPubKey cpkTo(pkSendTo);
                 +                     if (!cpkTo.IsValid())
                 +                     {
                 +                         printf("Invalid public key generated.\n");
                 +                         return Aborted;
                 +                     };
                 +                     
                 +                     CKeyID ckidTo = cpkTo.GetID();
                 +                     
                 +                     CBitcoinAddress addrTo(ckidTo);
                 +                     
                 +                     if (SecretToPublicKey(ephem_secret, ephem_pubkey) != 0)
                 +                     {
                 +                         printf("Could not generate ephem public key.\n");
                 +                         return Aborted;
                 +                     };
                 +                     
                 +                     //if (fDebug)
                 +                     if (true)
                 +                     {
                 +                         LogPrintf("Stealth send to generated pubkey %"PRIszu": %s\n", pkSendTo.size(), HexStr(pkSendTo).c_str());
                 +                         LogPrintf("hash %s\n", addrTo.ToString().c_str());
                 +                         LogPrintf("ephem_pubkey %"PRIszu": %s\n", ephem_pubkey.size(), HexStr(ephem_pubkey).c_str());
                 +                     };
                 +                     
                 +                     CScript scriptPubKey;
                 +                     scriptPubKey.SetDestination(addrTo.Get());
                 +                     LogPrintf("scriptPubKey= %s \n", scriptPubKey.ToString());
                 +                     
                 +                     vecSend.push_back(make_pair(scriptPubKey, rcp.amount));
                 +                     
                 +                     CScript scriptP = CScript() << OP_RETURN << ephem_pubkey;
                 +                     vecSend.push_back(make_pair(scriptP, 0));
                 +                     
                 +                     continue;
                 +                 }; // else drop through to normal
                 +             }
                 +     
                

                Code added

                 -            scriptPubKey.SetDestination(CBitcoinAddress(rcp.address.toStdString()).Get());
                 +            //scriptPubKey.SetDestination(CBitcoinAddress(rcp.address.toStdString()).Get());
                
                 +            scriptPubKey.SetDestination(CBitcoinAddress(sAddr).Get());
                

                Code commented out?? review

                 +        int nChangePos = -1;
                

                Code added

                 -        bool fCreated = wallet->CreateTransaction(vecSend, *newTx, *keyChange, nFeeRequired, strFailReason, coinControl);
                 +         bool fCreated = wallet->CreateTransaction(vecSend, *newTx, *keyChange, nFeeRequired, nChangePos, strFailReason, coinControl);
                

                Code replaced

                +            else if (!rcp.message.isEmpty()) // Message from normal feathercoin:URI (feathercoin:123...?message=example)
                

                Code replaced name

                 + 	//Run//QMessageBox::information(NULL, "Info2", "Click_sendCoins", QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
                           CReserveKey *keyChange = transaction.getPossibleKeyChange();
                 +         LogPrintf("sendCoins: newTx= \n%s", newTx->ToString());
                 +     
                

                Code commented out ? code added

                 +				//string strError =wallet->SendMoneyToDestination(rcp.label, transaction.GetValueOut(), *newTx);
                

                Code added

                 +    //No Run//
                

                Comment added

                 -                std::map<CTxDestination, CAddressBookData>::iterator mi = wallet     ->mapAddressBook.find(dest);
                 -
                 -                // Check if we have a new address or an updated label
                 -                if (mi == wallet     ->mapAddressBook.end())
                 -                {
                 -                    wallet     ->SetAddressBook(dest, strLabel, "send");
                 -                }
                 -                else if (mi     ->second.name != strLabel)
                 -                {
                 -                    wallet     ->SetAddressBook(dest, strLabel, ""); // "" means don't change purpose
                 -                }
                 -            }
                

                Code removed

                 + 		            if (rcp.typeInd == AddressTableModel::AT_Stealth)
                 + 		            {
                 + 		                wallet->UpdateStealthAddress(strAddress, strLabel, true);
                 + 		            } else 
                 + 		            {
                 + 		                std::map<CTxDestination, CAddressBookData>::iterator mi = wallet->mapAddressBook.find(dest);
                 + 		                // Check if we have a new address or an updated label
                 + 		                if (mi == wallet->mapAddressBook.end())
                 + 		                {
                 + 		                    wallet->SetAddressBook(dest, strLabel, "send");
                 + 		                }
                 + 		                else if (mi->second.name != strLabel)
                 + 		                {
                 + 		                    wallet->SetAddressBook(dest, strLabel, ""); // "" means don't change purpose
                 + 		                }
                 + 		            }
                 +           	}
                

                Code added

                +        LogPrintf("sendCoins: updateAddressBook. \n");
                

                Log interface message added

                - static void NotifyAddressBookChanged(WalletModel *walletmodel, CWallet *wallet,
                + /*static void NotifyAddressBookChanged(WalletModel *walletmodel, CWallet *wallet,
                

                Commented out? should be deleted if not used…

                 + }*/
                 + static void NotifyAddressBookChanged(WalletModel *walletmodel, CWallet *wallet, 
                 +         const CTxDestination &address, const std::string &label, bool isMine, 
                 +         const std::string &purpose, ChangeType status)
                 + {
                 +     QString strAddress = QString::fromStdString(CBitcoinAddress(address).ToString());
                 +     QString strLabel = QString::fromStdString(label);
                 +     QString strPurpose = QString::fromStdString(purpose);
                 + 	
                 +     if (address.type() == typeid(CStealthAddress))
                 +     {
                 +         CStealthAddress sxAddr = boost::get<CStealthAddress>(address);
                 +         std::string enc = sxAddr.Encoded();
                 +         //OutputDebugStringF("NotifyAddressBookChanged %s %s isMine=%i status=%i\n", enc.c_str(), label.c_str(), isMine, status);
                 +         qDebug() << "NotifyAddressBookChanged : "      +  QString::fromStdString(enc)      +  " "      +  QString::fromStdString(label)      +  " isMine="      +  QString::number(isMine)      +  " purpose="      +  strPurpose      +  " status="      +  QString::number(status);
                 +         QMetaObject::invokeMethod(walletmodel, "updateAddressBook", Qt::QueuedConnection,
                 +                                   Q_ARG(QString, QString::fromStdString(enc)),
                 +                                   Q_ARG(QString, QString::fromStdString(label)),
                 +                                   Q_ARG(bool, isMine),
                 +                                   Q_ARG(QString, strPurpose),
                 +                                   Q_ARG(int, status));
                 +     } else {
                 +         //OutputDebugStringF("NotifyAddressBookChanged %s %s isMine=%i status=%i\n", CBitcoinAddress(address).ToString().c_str(), label.c_str(), isMine, status);
                 +         qDebug() << "NotifyAddressBookChanged : "      +  strAddress      +  " "      +  strLabel      +  " isMine="      +  QString::number(isMine)      +  " purpose="      +  strPurpose      +  " status="      +  QString::number(status);
                 +         QMetaObject::invokeMethod(walletmodel, "updateAddressBook", Qt::QueuedConnection,
                 +                                   Q_ARG(QString, QString::fromStdString(CBitcoinAddress(address).ToString())),
                 +                                   Q_ARG(QString, QString::fromStdString(label)),
                 +                                   Q_ARG(bool, isMine),
                 +                                   Q_ARG(QString, strPurpose),
                 +                                   Q_ARG(int, status));
                 +     }
                

                Code added

                1 Reply Last reply Reply Quote 1
                • wrapper
                  wrapper Moderators last edited by

                  Add stealth address : - commit

                  https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

                  src/qt/walletmodel.h

                  +    int typeInd;
                  

                  Code added

                    -        TransactionCommitFailed
                   +        TransactionCommitFailed,
                   +        Aborted
                  

                  ?? code added?

                  1 Reply Last reply Reply Quote 1
                  • wrapper
                    wrapper Moderators last edited by wrapper

                    Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

                    Add stealth address : - commit

                    https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

                    src/rpcmisc.cpp

                     +     Object operator()(const CStealthAddress &stxAddr) const {
                     +         Object obj;
                     +         obj.push_back(Pair("todo", true));
                     +         return obj;
                     +     }
                    
                    1 Reply Last reply Reply Quote 1
                    • wrapper
                      wrapper Moderators last edited by wrapper

                      Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

                      Add stealth address : - commit

                      https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

                      src/rpcserver.cpp

                       +     
                       +     { "getnewstealthaddress",   &getnewstealthaddress,   false,  false,      true },
                       +     { "liststealthaddresses",   &liststealthaddresses,   false,  false,      true },
                       +     { "importstealthaddress",   &importstealthaddress,   false,  false,      true },
                       +     { "sendtostealthaddress",   &sendtostealthaddress,   false,  false,      true },
                       +     { "clearwallettransactions",&clearwallettransactions,false,  false,      true },
                       +     { "scanforalltxns",         &scanforalltxns,         false,  false,      true },
                       +     { "scanforstealthtxns",     &scanforstealthtxns,     false,  false,      true },
                      

                      Code added

                      1 Reply Last reply Reply Quote 1
                      • wrapper
                        wrapper Moderators last edited by wrapper

                        Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

                        Add stealth address : - commit

                        https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

                        src/rpcserver.h

                         + extern json_spirit::Value getnewstealthaddress(const json_spirit::Array& params, bool fHelp);
                         + extern json_spirit::Value liststealthaddresses(const json_spirit::Array& params, bool fHelp);
                         + extern json_spirit::Value importstealthaddress(const json_spirit::Array& params, bool fHelp);
                         + extern json_spirit::Value sendtostealthaddress(const json_spirit::Array& params, bool fHelp);
                         + extern json_spirit::Value clearwallettransactions(const json_spirit::Array& params, bool fHelp);
                         + extern json_spirit::Value scanforalltxns(const json_spirit::Array& params, bool fHelp);
                         + extern json_spirit::Value scanforstealthtxns(const json_spirit::Array& params, bool fHelp);
                         + 
                        

                        Code added

                        src/rpcwallet.cpp

                        Large number of changes, could stealth code have been a seperate module? / file

                         +#include "stealth.h"
                        

                        Code included

                         -    if (fHelp || params.size() < 2 || params.size() > 4)
                         +    if (fHelp || params.size() < 2 || params.size() > 5)
                        

                        Code replaced

                         -    if (fHelp || params.size() < 3 || params.size() > 6)
                         +     if (fHelp || params.size() < 3 || params.size() > 7)
                        

                        Code replaced

                        +    int nChangePos;
                        

                        Code added

                         -    bool fCreated = pwalletMain->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired, strFailReason);
                        +    bool fCreated = pwalletMain->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired,nChangePos, strFailReason);
                        

                        Code replaced

                        Main stealth function 1992 to line 2379

                         + 
                         + Value getnewstealthaddress(const Array& params, bool fHelp)
                         + {
                         +     if (fHelp || params.size() > 1)
                         +         throw runtime_error(
                         +             "getnewstealthaddress [label]\n"
                         +             "Returns a new ShadowCoin stealth address for receiving payments anonymously.  ");
                         +     
                         +     if (pwalletMain->IsLocked())
                         +         throw runtime_error("Failed: Wallet must be unlocked.");
                         +     
                         +     std::string sLabel;
                         +     if (params.size() > 0)
                         +         sLabel = params[0].get_str();
                         +     
                         +     CStealthAddress sxAddr;
                         +     std::string sError;
                         +     if (!pwalletMain->NewStealthAddress(sError, sLabel, sxAddr))
                         +         throw runtime_error(std::string("Could get new stealth address: ")      +  sError);
                         +     
                         +     if (!pwalletMain->AddStealthAddress(sxAddr))
                         +         throw runtime_error("Could not save to wallet.");
                         +     
                         +     return sxAddr.Encoded();
                         + }
                         + 
                         + Value liststealthaddresses(const Array& params, bool fHelp)
                         + {
                         +     if (fHelp || params.size() > 1)
                         +         throw runtime_error(
                         +             "liststealthaddresses [show_secrets=0]\n"
                         +             "List owned stealth addresses.");
                         +     
                         +     bool fShowSecrets = false;
                         +     
                         +     if (params.size() > 0)
                         +     {
                         +         std::string str = params[0].get_str();
                         +         
                         +         if (str == "0" || str == "n" || str == "no" || str == "-" || str == "false")
                         +             fShowSecrets = false;
                         +         else
                         +             fShowSecrets = true;
                         +     };
                         +     
                         +     if (fShowSecrets)
                         +     {
                         +         if (pwalletMain->IsLocked())
                         +             throw runtime_error("Failed: Wallet must be unlocked.");
                         +     };
                         +     
                         +     Object result;
                         +     
                         +     std::set<CStealthAddress>::iterator it;
                         +     for (it = pwalletMain->stealthAddresses.begin(); it != pwalletMain->stealthAddresses.end();      +      + it)
                         +     {
                         +         if (it->scan_secret.size() < 1)
                         +             continue; // stealth address is not owned
                         +         
                         +         if (fShowSecrets)
                         +         {
                         +             Object objA;
                         +             objA.push_back(Pair("Label        ", it->label));
                         +             objA.push_back(Pair("Address      ", it->Encoded()));
                         +             objA.push_back(Pair("Scan Secret  ", HexStr(it->scan_secret.begin(), it->scan_secret.end())));
                         +             objA.push_back(Pair("Spend Secret ", HexStr(it->spend_secret.begin(), it->spend_secret.end())));
                         +             result.push_back(Pair("Stealth Address", objA));
                         +         } else
                         +         {
                         +             result.push_back(Pair("Stealth Address", it->Encoded()      +  " - "      +  it->label));
                         +         };
                         +     };
                         +     
                         +     return result;
                         + }
                         + 
                         + Value importstealthaddress(const Array& params, bool fHelp)
                         + {
                         +     if (fHelp || params.size() < 2)
                         +         throw runtime_error(
                         +             "importstealthaddress <scan_secret> <spend_secret> [label]\n"
                         +             "Import an owned stealth addresses.");
                         +     
                         +     std::string sScanSecret  = params[0].get_str();
                         +     std::string sSpendSecret = params[1].get_str();
                         +     std::string sLabel;
                         +     
                         +     
                         +     if (params.size() > 2)
                         +     {
                         +         sLabel = params[2].get_str();
                         +     };
                         +     
                         +     std::vector<uint8_t> vchScanSecret;
                         +     std::vector<uint8_t> vchSpendSecret;
                         +     
                         +     if (IsHex(sScanSecret))
                         +     {
                         +         vchScanSecret = ParseHex(sScanSecret);
                         +     } else
                         +     {
                         +         if (!DecodeBase58(sScanSecret, vchScanSecret))
                         +             throw runtime_error("Could not decode scan secret as hex or base58.");
                         +     };
                         +     
                         +     if (IsHex(sSpendSecret))
                         +     {
                         +         vchSpendSecret = ParseHex(sSpendSecret);
                         +     } else
                         +     {
                         +         if (!DecodeBase58(sSpendSecret, vchSpendSecret))
                         +             throw runtime_error("Could not decode spend secret as hex or base58.");
                         +     };
                         +     
                         +     if (vchScanSecret.size() != 32)
                         +         throw runtime_error("Scan secret is not 32 bytes.");
                         +     if (vchSpendSecret.size() != 32)
                         +         throw runtime_error("Spend secret is not 32 bytes.");
                         +     
                         +     
                         +     ec_secret scan_secret;
                         +     ec_secret spend_secret;
                         +     
                         +     memcpy(&scan_secret.e[0], &vchScanSecret[0], 32);
                         +     memcpy(&spend_secret.e[0], &vchSpendSecret[0], 32);
                         +     
                         +     ec_point scan_pubkey, spend_pubkey;
                         +     if (SecretToPublicKey(scan_secret, scan_pubkey) != 0)
                         +         throw runtime_error("Could not get scan public key.");
                         +     
                         +     if (SecretToPublicKey(spend_secret, spend_pubkey) != 0)
                         +         throw runtime_error("Could not get spend public key.");
                         +     
                         +     
                         +     CStealthAddress sxAddr;
                         +     sxAddr.label = sLabel;
                         +     sxAddr.scan_pubkey = scan_pubkey;
                         +     sxAddr.spend_pubkey = spend_pubkey;
                         +     
                         +     sxAddr.scan_secret = vchScanSecret;
                         +     sxAddr.spend_secret = vchSpendSecret;
                         +     
                         +     Object result;
                         +     bool fFound = false;
                         +     // -- find if address already exists
                         +     std::set<CStealthAddress>::iterator it;
                         +     for (it = pwalletMain->stealthAddresses.begin(); it != pwalletMain->stealthAddresses.end();      +      + it)
                         +     {
                         +         CStealthAddress &sxAddrIt = const_cast<CStealthAddress&>(*it);
                         +         if (sxAddrIt.scan_pubkey == sxAddr.scan_pubkey
                         +             && sxAddrIt.spend_pubkey == sxAddr.spend_pubkey)
                         +         {
                         +             if (sxAddrIt.scan_secret.size() < 1)
                         +             {
                         +                 sxAddrIt.scan_secret = sxAddr.scan_secret;
                         +                 sxAddrIt.spend_secret = sxAddr.spend_secret;
                         +                 fFound = true; // update stealth address with secrets
                         +                 break;
                         +             };
                         +             
                         +             result.push_back(Pair("result", "Import failed - stealth address exists."));
                         +             return result;
                         +         };
                         +     };
                         +     
                         +     if (fFound)
                         +     {
                         +         result.push_back(Pair("result", "Success, updated "      +  sxAddr.Encoded()));
                         +     } else
                         +     {
                         +         pwalletMain->stealthAddresses.insert(sxAddr);
                         +         result.push_back(Pair("result", "Success, imported "      +  sxAddr.Encoded()));
                         +     };
                         +     
                         +     
                         +     if (!pwalletMain->AddStealthAddress(sxAddr))
                         +         throw runtime_error("Could not save to wallet.");
                         +     
                         +     return result;
                         + }
                         + 
                         + 
                         + Value sendtostealthaddress(const Array& params, bool fHelp)
                         + {
                         +     if (fHelp || params.size() < 2 || params.size() > 5)
                         +         throw runtime_error(
                         +             "sendtostealthaddress <stealth_address> <amount> [comment] [comment-to]\n"
                         +             "<amount> is a real and is rounded to the nearest 0.000001"
                         +                  +  HelpRequiringPassphrase());
                         +     
                         +     if (pwalletMain->IsLocked())
                         +         throw JSONRPCError(RPC_WALLET_UNLOCK_NEEDED, "Error: Please enter the wallet passphrase with walletpassphrase first.");
                         +     
                         +     std::string sEncoded = params[0].get_str();
                         +     int64_t nAmount = AmountFromValue(params[1]);
                         +     
                         +     CStealthAddress sxAddr;
                         +     Object result;
                         +     
                         +     if (!sxAddr.SetEncoded(sEncoded))
                         +     {
                         +         result.push_back(Pair("result", "Invalid Deepcoin stealth address."));
                         +         return result;
                         +     };
                         +     
                         +     
                         +     CWalletTx wtx;
                         +     if (params.size() > 2 && params[2].type() != null_type && !params[2].get_str().empty())
                         +         wtx.mapValue["comment"] = params[2].get_str();
                         +     if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
                         +         wtx.mapValue["to"]      = params[3].get_str();
                         +     
                         +     std::string sError;
                         +     if (!pwalletMain->SendStealthMoneyToDestination(sxAddr, nAmount, wtx, sError))
                         +         throw JSONRPCError(RPC_WALLET_ERROR, sError);
                         + 
                         +     return wtx.GetHash().GetHex();
                         +     
                         +     result.push_back(Pair("result", "Not implemented yet."));
                         +     
                         +     return result;
                         + }
                         + 
                         + Value clearwallettransactions(const Array& params, bool fHelp)
                         + {
                         +     if (fHelp || params.size() > 0)
                         +         throw runtime_error(
                         +             "clearwallettransactions \n"
                         +             "delete all transactions from wallet - reload with scanforalltxns\n"
                         +             "Warning: Backup your wallet first!");
                         +     
                         +     
                         +     
                         +     Object result;
                         +     
                         +     uint32_t nTransactions = 0;
                         +     
                         +     char cbuf[256];
                         +     
                         +     {
                         +         LOCK2(cs_main, pwalletMain->cs_wallet);
                         +         
                         +         CWalletDB walletdb(pwalletMain->strWalletFile);
                         +         walletdb.TxnBegin();
                         +         Dbc* pcursor = walletdb.GetTxnCursor();
                         +         if (!pcursor)
                         +             throw runtime_error("Cannot get wallet DB cursor");
                         +         
                         +         Dbt datKey;
                         +         Dbt datValue;
                         +         
                         +         datKey.set_flags(DB_DBT_USERMEM);
                         +         datValue.set_flags(DB_DBT_USERMEM);
                         +         
                         +         std::vector<unsigned char> vchKey;
                         +         std::vector<unsigned char> vchType;
                         +         std::vector<unsigned char> vchKeyData;
                         +         std::vector<unsigned char> vchValueData;
                         +         
                         +         vchKeyData.resize(100);
                         +         vchValueData.resize(100);
                         +         
                         +         datKey.set_ulen(vchKeyData.size());
                         +         datKey.set_data(&vchKeyData[0]);
                         +         
                         +         datValue.set_ulen(vchValueData.size());
                         +         datValue.set_data(&vchValueData[0]);
                         +         
                         +         unsigned int fFlags = DB_NEXT; // same as using DB_FIRST for new cursor
                         +         while (true)
                         +         {
                         +             int ret = pcursor->get(&datKey, &datValue, fFlags);
                         +             
                         +             if (ret == ENOMEM
                         +                 || ret == DB_BUFFER_SMALL)
                         +             {
                         +                 if (datKey.get_size() > datKey.get_ulen())
                         +                 {
                         +                     vchKeyData.resize(datKey.get_size());
                         +                     datKey.set_ulen(vchKeyData.size());
                         +                     datKey.set_data(&vchKeyData[0]);
                         +                 };
                         +                 
                         +                 if (datValue.get_size() > datValue.get_ulen())
                         +                 {
                         +                     vchValueData.resize(datValue.get_size());
                         +                     datValue.set_ulen(vchValueData.size());
                         +                     datValue.set_data(&vchValueData[0]);
                         +                 };
                         +                 // -- try once more, when DB_BUFFER_SMALL cursor is not expected to move
                         +                 ret = pcursor->get(&datKey, &datValue, fFlags);
                         +             };
                         +             
                         +             if (ret == DB_NOTFOUND)
                         +                 break;
                         +             else
                         +             if (datKey.get_data() == NULL || datValue.get_data() == NULL
                         +                 || ret != 0)
                         +             {
                         +                 snprintf(cbuf, sizeof(cbuf), "wallet DB error %d, %s", ret, db_strerror(ret));
                         +                 throw runtime_error(cbuf);
                         +             };
                         +             
                         +             CDataStream ssValue(SER_DISK, CLIENT_VERSION);
                         +             ssValue.SetType(SER_DISK);
                         +             ssValue.clear();
                         +             ssValue.write((char*)datKey.get_data(), datKey.get_size());
                         +             
                         +             ssValue >> vchType;
                         +             
                         +             
                         +             std::string strType(vchType.begin(), vchType.end());
                         +             
                         +             //printf("strType %s\n", strType.c_str());
                         +             
                         +             if (strType == "tx")
                         +             {
                         +                 uint256 hash;
                         +                 ssValue >> hash;
                         +                 
                         +                 if ((ret = pcursor->del(0)) != 0)
                         +                 {
                         +                     printf("Delete transaction failed %d, %s\n", ret, db_strerror(ret));
                         +                     continue;
                         +                 };
                         +                 
                         +                 pwalletMain->mapWallet.erase(hash);
                         +                 pwalletMain->NotifyTransactionChanged(pwalletMain, hash, CT_DELETED);
                         +                 
                         +                 nTransactions     +      + ;
                         +             };
                         +         };
                         +         pcursor->close();
                         +         walletdb.TxnCommit();
                         +         
                         +         
                         +         //pwalletMain->mapWallet.clear();
                         +     }
                         +     
                         +     snprintf(cbuf, sizeof(cbuf), "Removed %u transactions.", nTransactions);
                         +     result.push_back(Pair("complete", std::string(cbuf)));
                         +     result.push_back(Pair("", "Reload with scanforstealthtxns or re-download blockchain."));
                         +     
                         +     
                         +     return result;
                         + }
                         + 
                         + Value scanforalltxns(const Array& params, bool fHelp)
                         + {
                         +     if (fHelp || params.size() > 1)
                         +         throw runtime_error(
                         +             "scanforalltxns [fromHeight]\n"
                         +             "Scan blockchain for owned transactions.");
                         +     
                         +     Object result;
                         +     int32_t nFromHeight = 0;
                         +     
                         +     CBlockIndex *pindex = chainActive.Genesis();
                         +     
                         +     
                         +     if (params.size() > 0)
                         +         nFromHeight = params[0].get_int();
                         +     
                         +     
                         +     if (nFromHeight > 0)
                         +     {
                         +         pindex = mapBlockIndex[hashBestChain];
                         +         while (pindex->nHeight > nFromHeight
                         +             && pindex->pprev)
                         +             pindex = pindex->pprev;
                         +     };
                         +     
                         +     if (pindex == NULL)
                         +         throw runtime_error("Genesis Block is not set.");
                         +     
                         +     {
                         +         LOCK2(cs_main, pwalletMain->cs_wallet);
                         +         
                         +         pwalletMain->MarkDirty();
                         +         
                         +         pwalletMain->ScanForWalletTransactions(pindex, true);
                         +         pwalletMain->ReacceptWalletTransactions();
                         +     }
                         +     
                         +     result.push_back(Pair("result", "Scan complete."));
                         +     
                         +     return result;
                         + }
                         + 
                         + Value scanforstealthtxns(const Array& params, bool fHelp)
                         + {
                         +     if (fHelp || params.size() > 1)
                         +         throw runtime_error(
                         +             "scanforstealthtxns [fromHeight]\n"
                         +             "Scan blockchain for owned stealth transactions.");
                         +     
                         +     Object result;
                         +     uint32_t nBlocks = 0;
                         +     uint32_t nTransactions = 0;
                         +     int32_t nFromHeight = 0;
                         +     
                         +     CBlockIndex *pindex = chainActive.Genesis();
                         +     
                         +     
                         +     if (params.size() > 0)
                         +         nFromHeight = params[0].get_int();
                         +     
                         +     
                         +     if (nFromHeight > 0)
                         +     {
                         +         pindex = mapBlockIndex[hashBestChain];
                         +         while (pindex->nHeight > nFromHeight
                         +             && pindex->pprev)
                         +             pindex = pindex->pprev;
                         +     };
                         +     
                         +     if (pindex == NULL)
                         +         throw runtime_error("Genesis Block is not set.");
                         +     
                         +     // -- locks in AddToWalletIfInvolvingMe
                         +     
                         +     bool fUpdate = true; // todo: option?
                         +     
                         +     pwalletMain->nStealth = 0;
                         +     pwalletMain->nFoundStealth = 0;
                         +     
                         +     while (pindex)
                         +     {
                         +         nBlocks     +      + ;
                         +         CBlock block;
                         +         ReadBlockFromDisk(block, pindex); //block.ReadFromDisk(pindex);
                         +         
                         +         BOOST_FOREACH(CTransaction& tx, block.vtx)
                         +         {
                         +             //if (!tx.IsStandard())
                         +             string reason;
                         +             if (!IsStandardTx(tx, reason))
                         +                 continue; // leave out coinbase and others
                         +             nTransactions     +      + ;
                         +             
                         +             pwalletMain->AddToWalletIfInvolvingMe(tx.GetHash(), tx, &block, fUpdate);
                         +         };
                         +         
                         +         pindex = pindex->pnext;
                         +     };
                         +     
                         +     printf("Scanned %u blocks, %u transactions\n", nBlocks, nTransactions);
                         +     printf("Found %u stealth transactions in blockchain.\n", pwalletMain->nStealth);
                         +     printf("Found %u new owned stealth transactions.\n", pwalletMain->nFoundStealth);
                         +     
                         +     char cbuf[256];
                         +     snprintf(cbuf, sizeof(cbuf), "%u new stealth transactions.", pwalletMain->nFoundStealth);
                         +     
                         +     result.push_back(Pair("result", "Scan complete."));
                         +     result.push_back(Pair("found", std::string(cbuf)));
                         +     
                         +     return result;
                         + }
                        

                        Code added stealth function

                        1 Reply Last reply Reply Quote 1
                        • wrapper
                          wrapper Moderators last edited by

                          Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

                          Add stealth address : - commit

                          https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

                          src/script.cpp

                           - typedef vector<unsigned char> valtype;
                           + //typedef vector<unsigned char> valtype;
                          

                          Code replaced, commented out?

                           +     bool operator()(const CStealthAddress &stxAddr) const
                           +     {
                           +         return stxAddr.scan_secret.size() == ec_secret_size;
                           +     }
                          

                          Code added stealth address

                           +     
                           +     void operator()(const CStealthAddress &stxAddr) {
                           +         CScript script;        
                           +     }
                          

                          Code added

                           +     
                           +     bool operator()(const CStealthAddress &stxAddr) const {
                           +         script->clear();
                           +         //*script << OP_HASH160 << scriptID << OP_EQUAL;
                           +         //printf("TODO\n");
                           +         return false;
                           +     }
                          

                          Code added

                          1 Reply Last reply Reply Quote 1
                          • wrapper
                            wrapper Moderators last edited by

                            Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

                            Add stealth address : - commit

                            https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

                            src/script.h

                             +#include "stealth.h"
                            

                            Code added

                             - typedef boost::variant<CNoDestination, CKeyID, CScriptID> CTxDestination;
                             + typedef boost::variant<CNoDestination, CKeyID, CScriptID, CStealthAddress> CTxDestination;
                             + //typedef boost::variant<CNoDestination, CKeyID, CScriptID> CTxDestination;
                            

                            Code replaced commented out?

                            1 Reply Last reply Reply Quote 1
                            • wrapper
                              wrapper Moderators last edited by wrapper

                              Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

                              Add stealth address : - commit

                              https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

                              src/stealth.cpp

                              Large new file, with 683 lines of code

                               + // Copyright (c) 2014 The ShadowCoin developers
                               + // Distributed under the MIT/X11 software license, see the accompanying
                               + // file license.txt or http://www.opensource.org/licenses/mit-license.php.
                               + 
                               + #include "stealth.h"
                               + #include "base58.h"
                               + 
                               + 
                               + #include <openssl/rand.h>
                               + #include <openssl/ec.h>
                               + #include <openssl/ecdsa.h>
                               + #include <openssl/obj_mac.h>
                               + 
                               + //const uint8_t stealth_version_byte = 0x2a;
                               + const uint8_t stealth_version_byte = 0x1d;
                               + 
                               + 
                               + bool CStealthAddress::SetEncoded(const std::string& encodedAddress)
                               + {
                               +     data_chunk raw;
                              

                              Start of large new file from ShadowCoin developers ??

                               + std::string CStealthAddress::Encoded() const
                               + {
                               +     // https://wiki.unsystem.net/index.php/DarkWallet/Stealth#Address_format
                               +     // [version] [options] [scan_key] [N] ... [Nsigs] [prefix_length] ...
                               +     
                               +     data_chunk raw;
                               +     raw.push_back(stealth_version_byte);
                               +     
                               +     raw.push_back(options);
                               +     
                               +     raw.insert(raw.end(), scan_pubkey.begin(), scan_pubkey.end());
                               +     raw.push_back(1); // number of spend pubkeys
                               +     raw.insert(raw.end(), spend_pubkey.begin(), spend_pubkey.end());
                               +     raw.push_back(0); // number of signatures
                               +     raw.push_back(0); // ?
                               +     
                               +     AppendChecksum(raw);
                               +     
                              

                              Referance to DarkWallet, original (DK) code, has it been updated for 0.11? plan for head pick, ssl etc.

                              1 Reply Last reply Reply Quote 1
                              • wrapper
                                wrapper Moderators last edited by

                                Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

                                Add stealth address : - commit

                                https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

                                src/stealth.h

                                Large new file, with 122 lines of code

                                 + // Copyright (c) 2014 The ShadowCoin developers
                                 + // Distributed under the MIT/X11 software license, see the accompanying
                                 + // file license.txt or http://www.opensource.org/licenses/mit-license.php.
                                 + 
                                 + #ifndef BITCOIN_STEALTH_H
                                 + #define BITCOIN_STEALTH_H
                                 + 
                                 + #include "util.h"
                                 + #include "serialize.h"
                                 + 
                                 + #include <stdlib.h> 
                                 + #include <stdio.h> 
                                 + #include <vector>
                                 + #include <inttypes.h>
                                 + 
                                 + 
                                 + typedef std::vector<uint8_t> data_chunk;
                                 + 
                                 + const size_t ec_secret_size = 32;
                                 + const size_t ec_compressed_size = 33;
                                 + const size_t ec_uncompressed_size = 65;
                                 + 
                                 + typedef struct ec_secret { uint8_t e[ec_secret_size]; } ec_secret;
                                 + typedef data_chunk ec_point;
                                 + 
                                 + typedef uint32_t stealth_bitfield;
                                 + 
                                 + struct stealth_prefix
                                 + {
                                 +     uint8_t number_bits;
                                 +     stealth_bitfield bitfield;
                                 + };
                                 + 
                                 + template <typename T, typename Iterator>
                                 + T from_big_endian(Iterator in)
                                 + {
                                 +     //VERIFY_UNSIGNED(T);
                                 +     T out = 0;
                                 +     size_t i = sizeof(T);
                                 +     while (0 < i)
                                 +         out |= static_cast<T>(*in     +      + ) << (8 * --i);
                                 +     return out;
                                 + }
                                 + 
                                 + template <typename T, typename Iterator>
                                 + T from_little_endian(Iterator in)
                                 + {
                                 +     //VERIFY_UNSIGNED(T);
                                 +     T out = 0;
                                 +     size_t i = 0;
                                 +     while (i < sizeof(T))
                                 +         out |= static_cast<T>(*in     +      + ) << (8 * i     +      + );
                                 +     return out;
                                 + }
                                 + 
                                 + class CStealthAddress
                                 + {
                                 + public:
                                 +     CStealthAddress()
                                 +     {
                                 +         options = 0;
                                 +     }
                                 +     
                                 +     uint8_t options;
                                 +     ec_point scan_pubkey;
                                 +     ec_point spend_pubkey;
                                 +     //std::vector<ec_point> spend_pubkeys;
                                 +     size_t number_signatures;
                                 +     stealth_prefix prefix;
                                 +     
                                 +     mutable std::string label;
                                 +     data_chunk scan_secret;
                                 +     data_chunk spend_secret;
                                 +     
                                 +     bool SetEncoded(const std::string& encodedAddress);
                                 +     std::string Encoded() const;
                                 +     
                                 +     bool operator <(const CStealthAddress& y) const
                                 +     {
                                 +         return memcmp(&scan_pubkey[0], &y.scan_pubkey[0], ec_compressed_size) < 0;
                                 +     }
                                 +     
                                 +     bool operator == (const CStealthAddress& y) const
                                 +     {
                                 +         return (scan_pubkey == y.scan_pubkey) &&
                                 +                 (spend_pubkey == y.spend_pubkey) &&
                                 +                 (scan_secret == y.scan_secret) &&
                                 +                 (spend_secret == y.spend_secret);
                                 +     }
                                 +     
                                 +     IMPLEMENT_SERIALIZE
                                 +     (
                                 +         READWRITE(this->options);
                                 +         READWRITE(this->scan_pubkey);
                                 +         READWRITE(this->spend_pubkey);
                                 +         READWRITE(this->label);
                                 +         
                                 +         READWRITE(this->scan_secret);
                                 +         READWRITE(this->spend_secret);
                                 +     );
                                 +     
                                 +     
                                 + 
                                 + };
                                 + 
                                 + void AppendChecksum(data_chunk& data);
                                 + 
                                 + bool VerifyChecksum(const data_chunk& data);
                                 + 
                                 + int GenerateRandomSecret(ec_secret& out);
                                 + 
                                 + int SecretToPublicKey(const ec_secret& secret, ec_point& out);
                                 + 
                                 + int StealthSecret(ec_secret& secret, ec_point& pubkey, const ec_point& pkSpend, ec_secret& sharedSOut, ec_point& pkOut);
                                 + int StealthSecretSpend(ec_secret& scanSecret, ec_point& ephemPubkey, ec_secret& spendSecret, ec_secret& secretOut);
                                 + int StealthSharedToSecretSpend(ec_secret& sharedS, ec_secret& spendSecret, ec_secret& secretOut);
                                 + 
                                 + bool IsStealthAddress(const std::string& encodedAddress);
                                 + 
                                 + 
                                 + #endif  // BITCOIN_STEALTH_H
                                 + 
                                

                                New file include, how to handle going forward?

                                1 Reply Last reply Reply Quote 1
                                • wrapper
                                  wrapper Moderators last edited by

                                  Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

                                  Add stealth address : - commit

                                  https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

                                  src/ui_interface.h

                                   +    /** Ask the user whether they want to pay a fee or not. */
                                   +    boost::signals2::signal<bool (int64_t nFeeRequired, const std::string& strCaption), boost::signals2::last_value<bool> > ThreadSafeAskFee;
                                   +    
                                  

                                  Code added

                                  1 Reply Last reply Reply Quote 1
                                  • wrapper
                                    wrapper Moderators last edited by

                                    Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

                                    Add stealth address : - commit

                                    https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

                                    src/ui_interface.h

                                     +    /** Ask the user whether they want to pay a fee or not. */
                                     +    boost::signals2::signal<bool (int64_t nFeeRequired, const std::string& strCaption), boost::signals2::last_value<bool> > ThreadSafeAskFee;
                                     +    
                                    

                                    Code added

                                    1 Reply Last reply Reply Quote 1
                                    • wrapper
                                      wrapper Moderators last edited by

                                      Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

                                      Add stealth address : - commit

                                      https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

                                      src/wallet.cpp

                                      Large number of changes

                                       + #if defined(_MSC_VER) || defined(__MSVCRT__)
                                       +   /* (s)size_t and ptrdiff_t have the same size specifier in MSVC:
                                       +      http://msdn.microsoft.com/en-us/library/tcxf1dw6%28v=vs.100%29.aspx
                                       +    */
                                       +   #define PRIszx    "Ix"
                                       +   #define PRIszu    "Iu"
                                       +   #define PRIszd    "Id"
                                       +   #define PRIpdx    "Ix"
                                       +   #define PRIpdu    "Iu"
                                       +   #define PRIpdd    "Id"
                                       + #else /* C99 standard */
                                       +   #define PRIszx    "zx"
                                       +   #define PRIszu    "zu"
                                       +   #define PRIszd    "zd"
                                       +   #define PRIpdx    "tx"
                                       +   #define PRIpdu    "tu"
                                       +   #define PRIpdd    "td"
                                       + #endif
                                       + 
                                      

                                      Code added

                                       + bool CWallet::Lock()
                                       + {
                                       +     if (IsLocked())
                                       +         return true;
                                       +     
                                       +     if (fDebug)
                                       +         printf("Locking wallet.\n");
                                       +     
                                       +     {
                                       +         LOCK(cs_wallet);
                                       +         CWalletDB wdb(strWalletFile);
                                       +         
                                       +         // -- load encrypted spend_secret of stealth addresses
                                       +         CStealthAddress sxAddrTemp;
                                       +         std::set<CStealthAddress>::iterator it;
                                       +         for (it = stealthAddresses.begin(); it != stealthAddresses.end();      +      + it)
                                       +         {
                                       +             if (it->scan_secret.size() < 32)
                                       +                 continue; // stealth address is not owned
                                       +             // -- CStealthAddress are only sorted on spend_pubkey
                                       +             CStealthAddress &sxAddr = const_cast<CStealthAddress&>(*it);
                                       +             if (fDebug)
                                       +                 printf("Recrypting stealth key %s\n", sxAddr.Encoded().c_str());
                                       +             
                                       +             sxAddrTemp.scan_pubkey = sxAddr.scan_pubkey;
                                       +             if (!wdb.ReadStealthAddress(sxAddrTemp))
                                       +             {
                                       +                 printf("Error: Failed to read stealth key from db %s\n", sxAddr.Encoded().c_str());
                                       +                 continue;
                                       +             }
                                       +             sxAddr.spend_secret = sxAddrTemp.spend_secret;
                                       +         };
                                       +     }
                                       +     return LockKeyStore();
                                       + };
                                      

                                      Code added

                                       +        UnlockStealthAddresses(vMasterKey);
                                      

                                      Code added

                                       -            if (CCryptoKeyStore::Unlock(vMasterKey))
                                       +            if (CCryptoKeyStore::Unlock(vMasterKey)&& UnlockStealthAddresses(vMasterKey))
                                      

                                      Code replaced

                                       +         std::set<CStealthAddress>::iterator it;
                                       +         for (it = stealthAddresses.begin(); it != stealthAddresses.end();      +      + it)
                                       +         {
                                       +             if (it->scan_secret.size() < 32)
                                       +                 continue; // stealth address is not owned
                                       +             // -- CStealthAddress is only sorted on spend_pubkey
                                       +             CStealthAddress &sxAddr = const_cast<CStealthAddress&>(*it);
                                       +             
                                       +             if (fDebug)
                                       +                 printf("Encrypting stealth key %s\n", sxAddr.Encoded().c_str());
                                       +             
                                       +             std::vector<unsigned char> vchCryptedSecret;
                                       +             
                                       +             CSecret vchSecret;
                                       +             vchSecret.resize(32);
                                       +             memcpy(&vchSecret[0], &sxAddr.spend_secret[0], 32);
                                       +             
                                       +             uint256 iv = Hash(sxAddr.spend_pubkey.begin(), sxAddr.spend_pubkey.end());
                                       +             if (!EncryptSecret(vMasterKey, vchSecret, iv, vchCryptedSecret))
                                       +             {
                                       +                 printf("Error: Failed encrypting stealth key %s\n", sxAddr.Encoded().c_str());
                                       +                 continue;
                                       +             };
                                       +             
                                       +             sxAddr.spend_secret = vchCryptedSecret;
                                       +             pwalletdbEncryption->WriteStealthAddress(sxAddr);
                                       +         };
                                       +            +  
                                      

                                      Code added

                                       +         	
                                       +         FindStealthTransactions(tx);
                                       +        
                                      

                                      Code added

                                       -bool CWallet::CreateTransaction(const vector<pair<CScript, int64_t> >& vecSend,
                                       + bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend, 
                                       -                                CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet, std::string& strFailReason, const CCoinControl* coinControl)
                                       +                                 CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet, int32_t& nChangePos, std::string& strFailReason, const CCoinControl* coinControl)
                                      

                                      Code replaced

                                       -    vector<CTxOut>::iterator position = wtxNew.vout.begin()+GetRandInt(wtxNew.vout.size()+1);
                                      

                                      Code removed

                                       +                         vector<CTxOut>::iterator position = wtxNew.vout.begin() + GetRandInt(wtxNew.vout.size() +  1);
                                       +                     
                                       +                         if (position > wtxNew.vout.begin() && position < wtxNew.vout.end())
                                       +                         {
                                       +                             while (position > wtxNew.vout.begin())
                                       +                             {
                                       +                                 if (position->nValue != 0)
                                       +                                     break;
                                       +                                 position--;
                                       +                             };
                                       +                         };
                                      
                                                                wtxNew.vout.insert(position, newTxOut);
                                      
                                       +                         nChangePos = std::distance(wtxNew.vout.begin(), position);
                                      

                                      Code added

                                       - bool CWallet::CreateTransaction(CScript scriptPubKey, int64_t nValue,
                                       -     CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet, std::string& strFailReason, const CCoinControl* coinControl)
                                      
                                       + bool CWallet::CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet, std::string& strFailReason, const CCoinControl* coinControl)
                                      

                                      Code replaced

                                       -    return CreateTransaction(vecSend, wtxNew, reservekey, nFeeRet, strFailReason, coinControl);
                                      

                                      Code removed

                                       +     int nChangePos;
                                       +     string strError;
                                       +     bool rv = CreateTransaction(vecSend, wtxNew, reservekey, nFeeRet, nChangePos, strError, coinControl);
                                       +     return rv;
                                       + }
                                       + 
                                       + bool CWallet::NewStealthAddress(std::string& sError, std::string& sLabel, CStealthAddress& sxAddr)
                                       + {
                                       +     ec_secret scan_secret;
                                       +     ec_secret spend_secret;
                                       +     
                                       +     if (GenerateRandomSecret(scan_secret) != 0
                                       +         || GenerateRandomSecret(spend_secret) != 0)
                                       +     {
                                       +         sError = "GenerateRandomSecret failed.";
                                       +         printf("Error CWallet::NewStealthAddress - %s\n", sError.c_str());
                                       +         return false;
                                       +     };
                                       +     
                                       +     ec_point scan_pubkey, spend_pubkey;
                                       +     if (SecretToPublicKey(scan_secret, scan_pubkey) != 0)
                                       +     {
                                       +         sError = "Could not get scan public key.";
                                       +         printf("Error CWallet::NewStealthAddress - %s\n", sError.c_str());
                                       +         return false;
                                       +     };
                                       +     
                                       +     if (SecretToPublicKey(spend_secret, spend_pubkey) != 0)
                                       +     {
                                       +         sError = "Could not get spend public key.";
                                       +         printf("Error CWallet::NewStealthAddress - %s\n", sError.c_str());
                                       +         return false;
                                       +     };
                                       +     
                                       +     if (fDebug)
                                      

                                      Start of large section of code added from lines 1500 to 2128

                                       +    FindStealthTransactions(wtxNew);
                                       +    
                                      

                                      Code added

                                       +        LogPrintf("CommitTransaction start................\n");
                                      
                                       +        LogPrintf("CommitTransaction Broadcast start.............\n");
                                      
                                       +        LogPrintf("CommitTransaction RelayWalletTransaction............\n");
                                      

                                      Code added for LofPrintf

                                        - string CWallet::SendMoney(CScript scriptPubKey, int64_t nValue, CWalletTx& wtxNew)
                                      

                                      Code replaced

                                       + //string CWallet::SendMoney(CScript scriptPubKey, int64_t nValue, CWalletTx& wtxNew)
                                       + string CWallet::SendMoney(CScript scriptPubKey, int64_t nValue, CWalletTx& wtxNew, bool fAskFee)
                                      

                                      Code replaced

                                       +     //if (fAskFee && !uiInterface.ThreadSafeAskFee(nFeeRequired))
                                       +     if (fAskFee && !uiInterface.ThreadSafeAskFee(nFeeRequired, _("Sending...")))
                                       +         return "ABORTED";
                                       +         
                                       +     LogPrintf("SendMoney, scriptPubKey=%s \n",scriptPubKey.ToString());
                                       +     
                                      

                                      Code added

                                       -string CWallet::SendMoneyToDestination(const CTxDestination& address, int64_t nValue, CWalletTx& wtxNew)
                                       + //string CWallet::SendMoneyToDestination(const CTxDestination& address, int64_t nValue, CWalletTx& wtxNew)
                                       + string CWallet::SendMoneyToDestination(const CTxDestination& address, int64 nValue, CWalletTx& wtxNew, bool fAskFee)
                                      

                                      Code replaced

                                        -    return SendMoney(scriptPubKey, nValue, wtxNew);
                                      
                                       +		LogPrintf("SendMoneyToDestination.....................\n"); 
                                       +		
                                       +    return SendMoney(scriptPubKey, nValue, wtxNew, fAskFee);
                                      

                                      Code replaced

                                      1 Reply Last reply Reply Quote 1
                                      • wrapper
                                        wrapper Moderators last edited by

                                        Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

                                        Add stealth address : - commit

                                        https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

                                        src/wallet.h

                                        Large number of updates

                                         + #include "stealth.h"
                                        
                                         + typedef std::map<CKeyID, CStealthKeyMetadata> StealthKeyMetaMap;
                                         + typedef std::map<std::string, std::string> mapValue_t;
                                        
                                         +     std::set<CStealthAddress> stealthAddresses;
                                         +     StealthKeyMetaMap mapStealthKeyMeta;
                                         +     uint32_t nStealth, nFoundStealth; // for reporting, zero before use
                                         +     
                                        
                                         +     bool Lock();
                                        

                                        Code added

                                         -    bool CreateTransaction(const std::vector<std::pair<CScript, int64_t> >& vecSend,
                                         -                           CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet, std::string& strFailReason, const CCoinControl *coinControl = NULL);
                                         -    bool CreateTransaction(CScript scriptPubKey, int64_t nValue,
                                         -                           CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet, std::string& strFailReason, const CCoinControl *coinControl = NULL);
                                        
                                         -    std::string SendMoney(CScript scriptPubKey, int64_t nValue, CWalletTx& wtxNew);
                                         -    std::string SendMoneyToDestination(const CTxDestination &address, int64_t nValue, CWalletTx& wtxNew);
                                        

                                        Code replaced

                                         +     /*bool CreateTransaction(const std::vector<std::pair<CScript, int64_t> >& vecSend,
                                         +                            CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet, std::string& strFailReason, const CCoinControl *coinControl = NULL);*/
                                         +     bool CreateTransaction(const std::vector<std::pair<CScript, int64> >& vecSend,
                                         +                            CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet, int32_t& nChangePos, std::string& strFailReason, const CCoinControl *coinControl=NULL);                           	
                                         +     /*bool CreateTransaction(CScript scriptPubKey, int64_t nValue,
                                         +                            CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet, std::string& strFailReason, const CCoinControl *coinControl = NULL);*/
                                         +     bool CreateTransaction(CScript scriptPubKey, int64 nValue,
                                         +                            CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet, std::string& strFailReason, const CCoinControl *coinControl = NULL);
                                         +     	
                                               bool CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey);
                                        
                                         +   //std::string SendMoney(CScript scriptPubKey, int64_t nValue, CWalletTx& wtxNew);
                                         +     std::string SendMoney(CScript scriptPubKey, int64_t nValue, CWalletTx& wtxNew, bool fAskFee=false);  	
                                         +   //std::string SendMoneyToDestination(const CTxDestination &address, int64_t nValue, CWalletTx& wtxNew);
                                         +     std::string SendMoneyToDestination(const CTxDestination& address, int64_t nValue, CWalletTx& wtxNew, bool fAskFee=false);
                                         + 	
                                         +     bool NewStealthAddress(std::string& sError, std::string& sLabel, CStealthAddress& sxAddr);
                                         +     bool AddStealthAddress(CStealthAddress& sxAddr);
                                         +     bool UnlockStealthAddresses(const CKeyingMaterial& vMasterKeyIn);
                                         +     bool UpdateStealthAddress(std::string &addr, std::string &label, bool addIfNotExist);
                                         +     
                                         +     bool CreateStealthTransaction(CScript scriptPubKey, int64_t nValue, std::vector<uint8_t>& P, CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet, const CCoinControl* coinControl=NULL);
                                         +     std::string SendStealthMoney(CScript scriptPubKey, int64_t nValue, std::vector<uint8_t>& P, CWalletTx& wtxNew, bool fAskFee=false);
                                         +     bool SendStealthMoneyToDestination(CStealthAddress& sxAddress, int64_t nValue, CWalletTx& wtxNew, std::string& sError, bool fAskFee=false);
                                         +     bool FindStealthTransactions(const CTransaction& tx);
                                         +     
                                        

                                        Replace code added

                                           - typedef std::map<std::string, std::string> mapValue_t;
                                          + //typedef std::map<std::string, std::string> mapValue_t;
                                        

                                        Code commented out?

                                        1 Reply Last reply Reply Quote 1
                                        • wrapper
                                          wrapper Moderators last edited by

                                          Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

                                          Add stealth address : - commit

                                          https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

                                          src/walletdb.cpp

                                           -        else if (strType == "acentry")
                                          
                                           +         {
                                           +             if (fDebug)
                                           +                 printf("WalletDB ReadKeyValue sxAddr\n");
                                           +             
                                           +             CStealthAddress sxAddr;
                                           +             ssValue >> sxAddr;
                                           +             
                                           +             pwallet->stealthAddresses.insert(sxAddr);
                                           +         } else if (strType == "acentry")
                                          

                                          Code replaced

                                           +         } else if (strType == "sxKeyMeta")
                                           +         {
                                           +             if (fDebug)
                                           +                 printf("WalletDB ReadKeyValue sxKeyMeta\n");
                                           +             
                                           +             CKeyID keyId;
                                           +             ssKey >> keyId;
                                           +             CStealthKeyMetadata sxKeyMeta;
                                           +             ssValue >> sxKeyMeta;
                                           + 
                                           +             pwallet->mapStealthKeyMeta[keyId] = sxKeyMeta;
                                          

                                          Code added

                                          1 Reply Last reply Reply Quote 1
                                          • wrapper
                                            wrapper Moderators last edited by

                                            Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

                                            Add stealth address : - commit

                                            https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

                                            src/walletdb.h

                                             +#include "stealth.h"
                                            

                                            Code added

                                             + class CStealthKeyMetadata
                                             + {
                                             + // -- used to get secret for keys created by stealth transaction with wallet locked
                                             + public:
                                             +     CStealthKeyMetadata() {};
                                             +     
                                             +     CStealthKeyMetadata(CPubKey pkEphem_, CPubKey pkScan_)
                                             +     {
                                             +         pkEphem = pkEphem_;
                                             +         pkScan = pkScan_;
                                             +     };
                                             +     
                                             +     CPubKey pkEphem;
                                             +     CPubKey pkScan;
                                             + 
                                             +     IMPLEMENT_SERIALIZE
                                             +     (
                                             +         READWRITE(pkEphem);
                                             +         READWRITE(pkScan);
                                             +     )
                                             + 
                                             + };
                                             + 
                                            

                                            Stealth class added

                                             +     Dbc* GetAtCursor()
                                             +     {
                                             +         return GetCursor();
                                             +     }
                                             +     
                                             +     Dbc* GetTxnCursor()
                                             +     {
                                             +         if (!pdb)
                                             +             return NULL;
                                             +         
                                             +         DbTxn* ptxnid = activeTxn; // call TxnBegin first
                                             +         
                                             +         Dbc* pcursor = NULL;
                                             +         int ret = pdb->cursor(ptxnid, &pcursor, 0);
                                             +         if (ret != 0)
                                             +             return NULL;
                                             +         return pcursor;
                                             +     }
                                             +     
                                             +     DbTxn* GetAtActiveTxn()
                                             +     {
                                             +         return activeTxn;
                                             +     }
                                             +     
                                            

                                            Code added

                                             +     bool WriteStealthKeyMeta(const CKeyID& keyId, const CStealthKeyMetadata& sxKeyMeta)
                                             +     {
                                             +         nWalletDBUpdated     +      + ;
                                             +         return Write(std::make_pair(std::string("sxKeyMeta"), keyId), sxKeyMeta, true);
                                             +     }
                                             +     
                                             +     bool EraseStealthKeyMeta(const CKeyID& keyId)
                                             +     {
                                             +         nWalletDBUpdated     +      + ;
                                             +         return Erase(std::make_pair(std::string("sxKeyMeta"), keyId));
                                             +     }
                                             +     
                                             +     bool WriteStealthAddress(const CStealthAddress& sxAddr)
                                             +     {
                                             +         nWalletDBUpdated     +      + ;
                                             + 
                                             +         return Write(std::make_pair(std::string("sxAddr"), sxAddr.scan_pubkey), sxAddr, true);
                                             +     }
                                             +     
                                             +     bool ReadStealthAddress(CStealthAddress& sxAddr)
                                             +     {
                                             +         // -- set scan_pubkey before reading
                                             +         return Read(std::make_pair(std::string("sxAddr"), sxAddr.scan_pubkey), sxAddr);
                                             +     }
                                             +   
                                            

                                            Code added

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