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    [Dev] Documenting Feathercoin Specific Software settings - Part 8

    Technical Development
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    • wrapper
      wrapper Moderators last edited by

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

      Fix sx and CKey/CPubKey : - commit

      https://github.com/FeatherCoin/Feathercoin/commit/55252135009938926532ddeabb3ac52d991b4381

      src/crypter.cpp

       +//bool EncryptSecret(const CKeyingMaterial& vMasterKey, const CKeyingMaterial &vchPlaintext, const uint256& nIV, std::vector<unsigned char> &vchCiphertext)
  +bool EncryptSecret(CKeyingMaterial& vMasterKey, const CSecret &vchPlaintext, const uint256& nIV, std::vector<unsigned char> &vchCiphertext)

      Code replaced

       +    //return cKeyCrypter.Encrypt(*((const CKeyingMaterial*)&vchPlaintext), vchCiphertext);
 +    return cKeyCrypter.Encrypt((CKeyingMaterial)vchPlaintext, vchCiphertext);

      Code replaced

       +//bool DecryptSecret(const CKeyingMaterial& vMasterKey, const std::vector<unsigned char>& vchCiphertext, const uint256& nIV, CKeyingMaterial& vchPlaintext)
 +bool DecryptSecret(const CKeyingMaterial& vMasterKey, const std::vector<unsigned char>& vchCiphertext, const uint256& nIV, CSecret& vchPlaintext)

      Code replaced

       +     {
 +         LOCK(cs_KeyStore);
 +         if (fUseCrypto)
 +             return true;
 +         if (!mapKeys.empty())
 +             return false;
 +         fUseCrypto = true;
 +     }

      Code replace

       +            //CKeyingMaterial vchSecret;
 +            CSecret vchSecret;

      Code replaced

       +             //key.Set(vchSecret.begin(), vchSecret.end(), vchPubKey.IsCompressed());
 +             key.SetPubKey(vchPubKey);
 +             key.SetSecret(vchSecret);

      Code replaced

      +//bool CCryptoKeyStore::AddKeyPubKey(const CKey& key, const CPubKey &pubkey)
+bool CCryptoKeyStore::AddKey(const CKey& key)

      Code replaced

      +            //return CBasicKeyStore::AddKeyPubKey(key, pubkey);
+            return CBasicKeyStore::AddKey(key);

      Code replaced

       +        //CKeyingMaterial vchSecret(key.begin(), key.end());
 +        CPubKey vchPubKey = key.GetPubKey();
 +        bool fCompressed; 
 +        //if (!EncryptSecret(vMasterKey, vchSecret, pubkey.GetHash(), vchCryptedSecret))
 +        if (!EncryptSecret(vMasterKey, key.GetSecret(fCompressed), vchPubKey.GetHash(), vchCryptedSecret))

      Code replaced

       +        //if (!AddCryptedKey(pubkey, vchCryptedSecret))
 +        if (!AddCryptedKey(key.GetPubKey(), vchCryptedSecret))

      Code replaced

       +            //CKeyingMaterial vchSecret;
 +            CSecret vchSecret;

      Copde replaced

       +            //keyOut.Set(vchSecret.begin(), vchSecret.end(), vchPubKey.IsCompressed());
 +            keyOut.SetPubKey(vchPubKey);
 +            keyOut.SetSecret(vchSecret);

      Code replaced

       +             //const CKey &key = mKey.second;
 +             //CPubKey vchPubKey = key.GetPubKey();
 +             //CKeyingMaterial vchSecret(key.begin(), key.end());
 +             CKey key;
 +             if (!key.SetSecret(mKey.second.first, mKey.second.second))
 +                 return false;
 +             const CPubKey vchPubKey = key.GetPubKey();

      Code replaced

        +         //if (!EncryptSecret(vMasterKeyIn, vchSecret, vchPubKey.GetHash(), vchCryptedSecret))
  +            bool fCompressed;
  +            if (!EncryptSecret(vMasterKeyIn, key.GetSecret(fCompressed), vchPubKey.GetHash(), vchCryptedSecret))

      Code replaced

      1 Reply Last reply Reply Quote 0
      • wrapper
        wrapper Moderators last edited by

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

        Fix sx and CKey/CPubKey : - commit

        https://github.com/FeatherCoin/Feathercoin/commit/55252135009938926532ddeabb3ac52d991b4381

        src/crypter.h

        +//bool EncryptSecret(const CKeyingMaterial& vMasterKey, const CKeyingMaterial &vchPlaintext, const uint256& nIV, std::vector<unsigned char> &vchCiphertext);

+//bool DecryptSecret(const CKeyingMaterial& vMasterKey, const std::vector<unsigned char>& vchCiphertext, const uint256& nIV, CKeyingMaterial& vchPlaintext);
+bool EncryptSecret(CKeyingMaterial& vMasterKey, const CSecret &vchPlaintext, const uint256& nIV, std::vector<unsigned char> &vchCiphertext);
+bool DecryptSecret(const CKeyingMaterial& vMasterKey, const std::vector<unsigned char> &vchCiphertext, const uint256& nIV, CSecret &vchPlaintext);

        Code replaced

         +    //bool AddKeyPubKey(const CKey& key, const CPubKey &pubkey);
 +    bool AddKey(const CKey& key);

        Code added

        1 Reply Last reply Reply Quote 0
        • wrapper
          wrapper Moderators last edited by

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

          Fix sx and CKey/CPubKey : - commit

          https://github.com/FeatherCoin/Feathercoin/commit/55252135009938926532ddeabb3ac52d991b4381

          src/key.cpp

          Large amount of code added and removed. Examples of code replaced.

          +#include <map>

          Code replaced

           -#include <openssl/bn.h>

 -#include <openssl/rand.h>

          Code removed

           +void CKey::SetCompressedPubKey(bool fCompressed)
 +    EC_KEY_set_conv_form(pkey, fCompressed ? POINT_CONVERSION_COMPRESSED : POINT_CONVERSION_UNCOMPRESSED);
 +    fCompressedPubKey = true;

          Complete functions replaced

           +void CKey::Reset()

 +CKey::CKey(const CKey& b)

  +bool CKey::SetPrivKey(const CPrivKey& vchPrivKey)

  +    const unsigned char* pbegin = &vchPrivKey[0];

 +bool CKey::SetSecret(const CSecret& vchSecret, bool fCompressed

 +CSecret CKey::GetSecret(bool &fCompressed) const

 +CPrivKey CKey::GetPrivKey() const

  +CPubKey CKey::GetPubKey() const

          Various functions replaced

           +// create a compact signature (65 bytes), which allows reconstructing the used public key
 +// The format is one header byte, followed by two times 32 bytes for the serialized r and s values.
  +// The header byte: 0x1B = first key with even y, 0x1C = first key with odd y,
  +//                  0x1D = second key with even y, 0x1E = second key with o   

  +bool CKey::SignCompact(uint256 hash, std::vector<unsigned char>& vchSig)

          Code replaced

          1 Reply Last reply Reply Quote 0
          • wrapper
            wrapper Moderators last edited by

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

            Fix sx and CKey/CPubKey : - commit

            https://github.com/FeatherCoin/Feathercoin/commit/55252135009938926532ddeabb3ac52d991b4381

            src/key.h

             +#include <stdexcept>
 +#include <vector>

 +#include "hash.h"

+#include <openssl/ec.h> // for EC_KEY definition

            Code added

             + // secp160k1
 + // const unsigned int PRIVATE_KEY_SIZE = 192;
 + // const unsigned int PUBLIC_KEY_SIZE  = 41;
 + // const unsigned int SIGNATURE_SIZE   = 48;
 + //
 + // secp192k1
 + // const unsigned int PRIVATE_KEY_SIZE = 222;
 + // const unsigned int PUBLIC_KEY_SIZE  = 49;
 + // const unsigned int SIGNATURE_SIZE   = 57;
 + //
 + // secp224k1
 + // const unsigned int PRIVATE_KEY_SIZE = 250;
 + // const unsigned int PUBLIC_KEY_SIZE  = 57;
 + // const unsigned int SIGNATURE_SIZE   = 66;
 + //

            Code added

             + class key_error : public std::runtime_error
 + {
 + public:
 +     explicit key_error(const std::string& str) : std::runtime_error(str) {}
 + };
 +

            Code added

            +    unsigned char *begin() {
+        return vch;

Code replaced

 +    friend class CKey;
 +
  public:
 +    CPubKey() { vch[0] = 0xFF; }

            Code added

             +     CPubKey(const std::vector<unsigned char> &vchPubKeyIn) {
 +         int len = vchPubKeyIn.empty() ? 0 : GetLen(vchPubKeyIn[0]);
 +         if (len) {
 +             memcpy(vch, &vchPubKeyIn[0], len);
 +         } else {
 +             vch[0] = 0xFF;
 +         }

            Code replaced

            +    unsigned int size() const {
+        return GetLen(vch[0]);

            Code replaced

            +    const unsigned char *begin() const {
+        return vch;

            Code replaced

             +    const unsigned char *end() const {
 +        return vch+size();

            Code replaced

             + 
 +     friend bool operator==(const CPubKey &a, const CPubKey &b) { return memcmp(a.vch, b.vch, a.size()) == 0; }
 +     friend bool operator!=(const CPubKey &a, const CPubKey &b) { return memcmp(a.vch, b.vch, a.size()) != 0; }

            Code added

             +               (a.vch[0] == b.vch[0] && memcmp(a.vch+1, b.vch+1, a.size() - 1) < 0);

            Code replaced

             +            // invalid pubkey
 +            vch[0] = 0xFF;

            Code added

             +    //bool IsFullyValid() const;

            Code commented out

            +        return std::vector<unsigned char>(vch, vch+size());

            Code replaced

            +/** An encapsulated OpenSSL Elliptic Curve key (public and/or private) */
+class CKey
+{
 +protected:
 +    EC_KEY* pkey;
 +    bool fSet;
 +    bool fCompressedPubKey;

            Code replaced

            +    void SetCompressedPubKey(bool fCompressed = true);

+    void Reset();

            Code replaced

             +     CKey();
 +     CKey(const CKey& b);
 +     CKey& operator=(const CKey& b);
 +     ~CKey();
 +     bool IsNull() const;
 +     bool IsCompressed() const;
 +     bool SetPrivKey(const CPrivKey& vchPrivKey);
 +     bool SetSecret(const CSecret& vchSecret, bool fCompressed = false);
 +     CSecret GetSecret(bool &fCompressed) const;
 +     bool SetPubKey(const CPubKey& vchPubKey);
 +     bool Sign(uint256 hash, std::vector<unsigned char>& vchSig);
 +     // create a compact signature (65 bytes), which allows reconstructing the used public key
 // The format is one header byte, followed by two times 32 bytes for the serialized r and s values.
 // The header byte: 0x1B = first key with even y, 0x1C = first key with odd y,
 +     //                  0x1D = second key with even y, 0x1E = second key with odd y
 +     bool SignCompact(uint256 hash, std::vector<unsigned char>& vchSig);

            Code replaced

             +     // reconstruct public key from a compact signature
 +     // This is only slightly more CPU intensive than just verifying it.
 +     // If this function succeeds, the recovered public key is guaranteed to be valid
 +     // (the signature is a valid signature of the given data for that key)
 +     bool SetCompactSignature(uint256 hash, const std::vector<unsigned char>& vchSig);

            Code replaced

             +    bool Verify(uint256 hash, const std::vector<unsigned char>& vchSig);

            Code replaced

             +     // Verify a compact signature
 +     bool VerifyCompact(uint256 hash, const std::vector<unsigned char>& vchSig);

            Code replaced

             +     bool IsValid();
 +     
 +     // Check whether an element of a signature (r or s) is valid.
 +     static bool CheckSignatureElement(const unsigned char *vch, int len, bool half);

            Code replaced

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            • wrapper
              wrapper Moderators last edited by

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

              Fix sx and CKey/CPubKey : - commit

              https://github.com/FeatherCoin/Feathercoin/commit/55252135009938926532ddeabb3ac52d991b4381

              src/keystore.cpp

              +bool CBasicKeyStore::AddKey(const CKey& key)

              Code replaced

               +     bool fCompressed = false;
 +     CSecret secret = key.GetSecret(fCompressed);
 +     {
 +         LOCK(cs_KeyStore);
 +         mapKeys[key.GetPubKey().GetID()] = make_pair(secret, fCompressed);
 +     }

              Code replaced

               +     {
 +         LOCK(cs_KeyStore);
 +         mapScripts[redeemScript.GetID()] = redeemScript;
 +     }

              Code replaced

               +     bool result;
 +     {
 +         LOCK(cs_KeyStore);
 +         result = (mapScripts.count(hash) > 0);
 +     }
 +     return result;

              Code replaced

               +         LOCK(cs_KeyStore);
 +         ScriptMap::const_iterator mi = mapScripts.find(hash);
 +         if (mi != mapScripts.end())
 +         {
 +             redeemScriptOut = (*mi).second;
 +            return true;

              Code replaced

              1 Reply Last reply Reply Quote 0
              • wrapper
                wrapper Moderators last edited by

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

                Fix sx and CKey/CPubKey : - commit

                https://github.com/FeatherCoin/Feathercoin/commit/55252135009938926532ddeabb3ac52d991b4381

                src/keystore.h

                 +     //virtual bool AddKeyPubKey(const CKey &key, const CPubKey &pubkey) =0;
 +     //virtual bool AddKey(const CKey &key);
 +     virtual bool AddKey(const CKey& key) =0;

                Code replaced

                 +     
 +     virtual bool GetSecret(const CKeyID &address, CSecret& vchSecret, bool &fCompressed) const
 +     {
 +         CKey key;
 +         if (!GetKey(address, key))
 +             return false;
 +         vchSecret = key.GetSecret(fCompressed);
 +         return true;
 +     }

                Code replaced

                 +//typedef std::map<CKeyID, CKey> KeyMap;
 +typedef std::map<CKeyID, std::pair<CSecret, bool> > KeyMap;

                Code replaced

                 +    //bool AddKeyPubKey(const CKey& key, const CPubKey &pubkey);
 +    bool AddKey(const CKey& key);

                Code replaced

                +                keyOut.Reset();
+                keyOut.SetSecret((*mi).second.first, (*mi).second.second);

                Code replaced

                1 Reply Last reply Reply Quote 0
                • wrapper
                  wrapper Moderators last edited by

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

                  Fix sx and CKey/CPubKey : - commit

                  https://github.com/FeatherCoin/Feathercoin/commit/55252135009938926532ddeabb3ac52d991b4381

                  src/qt/bitcoingui.cpp

                   +    debugAction = new QAction(QIcon(":/icons/sx"), tr("&SX Tool"), this);
 +    debugAction->setStatusTip(tr("SX Tool"));

                  Code replaced

                  1 Reply Last reply Reply Quote 0
                  • wrapper
                    wrapper Moderators last edited by

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

                    Fix sx and CKey/CPubKey : - commit

                    https://github.com/FeatherCoin/Feathercoin/commit/55252135009938926532ddeabb3ac52d991b4381

                    src/qt/bitcoingui.cpp

                     + #include "stealth.h"
 + #include "base58.h"
 + #include "wallet.h"
 + #include "walletmodel.h"
 + #include "init.h"

                    Code added

                     +     
 +     if (ui->addressEdit->text().length()>=75)
 +     {
 + 	    CStealthAddress sxAddr;
 + 	    if (sxAddr.SetEncoded(ui->addressEdit->text().toStdString()))
 + 	    {
 + 	    	ui->lblPubkey->setText("");
 + 	    	ui->lblPrikey->setText("");
 + 	    	ui->lblScanPubkey->setText(HexStr(sxAddr.scan_pubkey).c_str());
 + 	    	ui->lblScanSecret->setText(HexStr(sxAddr.scan_secret).c_str());
 + 	    	ui->lblSpendPubkey->setText(HexStr(sxAddr.spend_pubkey).c_str());
 + 	    	ui->lblSpendSecret->setText(HexStr(sxAddr.spend_secret).c_str());
 + 	    }
 +   	}
 +   	else
 +   	{
 +   		CBitcoinAddress address(ui->addressEdit->text().toStdString());
 +       CKeyID keyID;
 +       if ( !address.GetKeyID(keyID) )
 +       {
 +           QMessageBox::warning(this, windowTitle(),
 +               tr("Address \"%1\" doesn't have public key ").arg(ui->addressEdit->text()),
 +               QMessageBox::Ok, QMessageBox::Ok);
 +           return;
 +       }
 +       CPubKey vchPubKey;
 +       if ( !pwalletMain->GetPubKey(keyID, vchPubKey))
 +       {
 +           QMessageBox::warning(this, windowTitle(),
 +               tr("Address \"%1\" doesn't have public key ").arg(ui->addressEdit->text()),
 +               QMessageBox::Ok, QMessageBox::Ok);
 +           return;
 +       }
 +       CSecret vchSecret;
 +       bool fCompressed;
 +       if (!pwalletMain->GetSecret(keyID, vchSecret, fCompressed))
 +       {
 +           QMessageBox::warning(this, windowTitle(),
 +               tr("Address \"%1\" doesn't have private key ").arg(ui->addressEdit->text()),
 +               QMessageBox::Ok, QMessageBox::Ok);
 +           return;
 +       }
 +       ui->lblPubkey->setText(HexStr(vchPubKey).c_str());
 +       ui->lblPrikey->setText(CBitcoinSecret(vchSecret, fCompressed).ToString().c_str());
 +       GUIUtil::setClipboard(QString::fromStdString(HexStr(vchPubKey)));
 +       
 +     	ui->lblScanPubkey->setText("");
 +     	ui->lblScanSecret->setText("");
 +     	ui->lblSpendPubkey->setText("");
 +     	ui->lblSpendSecret->setText("");
 +   	}

                    Code added

                    1 Reply Last reply Reply Quote 0
                    • wrapper
                      wrapper Moderators last edited by

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

                      Fix sx and CKey/CPubKey : - commit

                      https://github.com/FeatherCoin/Feathercoin/commit/55252135009938926532ddeabb3ac52d991b4381

                      src/qt/feathercoin.qrc

                       +        <file alias="sx">res/icons/sx.png</file>

                      Code added

                      1 Reply Last reply Reply Quote 0
                      • wrapper
                        wrapper Moderators last edited by

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

                        Fix sx and CKey/CPubKey : - commit

                        https://github.com/FeatherCoin/Feathercoin/commit/55252135009938926532ddeabb3ac52d991b4381

                        src/qt/forms/debugdialog.ui

                         +   <string>Stealth Transaction Tool (experts only!)</string>

 +    <string>Find My Stealth Transactions From Height:</string>

                        GUI changes done through Qt

                        1 Reply Last reply Reply Quote 0
                        • wrapper
                          wrapper Moderators last edited by

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

                          Fix sx and CKey/CPubKey : - commit

                          https://github.com/FeatherCoin/Feathercoin/commit/55252135009938926532ddeabb3ac52d991b4381

                          src/qt/forms/editaddressdialog.ui

                           +      <item row="3" column="0">
 +       <widget class="QLabel" name="label_3">
 +        <property name="text">
 +         <string>Public Key</string>
 +        </property>
 +       </widget>
 +      </item>
 +      <item row="4" column="0">
 +       <widget class="QLabel" name="label_4">
 +        <property name="text">
 +         <string>Private Key</string>

                          Various UI changes

                          1 Reply Last reply Reply Quote 0
                          • wrapper
                            wrapper Moderators last edited by

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

                            Fix sx and CKey/CPubKey : - commit

                            https://github.com/FeatherCoin/Feathercoin/commit/55252135009938926532ddeabb3ac52d991b4381

                            src/qt/locale/bitcoin_zh_CN.ts

                            Translation file

                             +         <source>&amp;SX Tool</source>
 +         <translation>隐身交易助手</translation>
 +     </message>
 +     <message>

                            Code added

                             +     <name>DebugDialog</name>
 +     <message>
 +         <source>Exit</source>
 +         <translation>关闭</translation>
 +     </message>
 +     <message>
 +         <source>Stealth Transaction Tool (experts only!)</source>
 +         <translation>隐身交易助手（仅专家）</translation>
 +     </message>
 +     <message>
 +         <source>Find My Stealth Transactions From Height:</source>
 +         <translation>在块链中查找我的隐身交易，从开始块号</translation>
 +     </message>
 +     <message>
 +         <source>To</source>
 +         <translation>到</translation>
 +     </message>
 +     <message>
 +         <source>Ending Height must be greater than beginning Height !</source>
 +         <translation>结束块号必须大于开始块号</translation>
 +     </message>
 +     <message>
 +         <source>Beginning Height must be greater than 556535.</source>
 +         <translation>开始块号必须大于556535。</translation>
 +     </message>
 +     <message>
 +         <source>Scan stealth transactions on blockchain,Yes!!!</source>
 +         <translation>从块链中扫描隐身交易，完毕！</translation>
 +     </message>
 +     <message>
 +         <source>Wallet Message</source>
 +         <translation>钱包信息</translation>
 +     </message>
 +     <message>
 +         <source>Block Number</source>
 +         <translation>块编号</translation>
 +     </message>
 +     <message>
 +         <source>Scan Stealth Transactions</source>
 +         <translation>开始扫描隐身交易</translation>
 +     </message>
 + </context>
 + <context>

                            Code added

                            1 Reply Last reply Reply Quote 0
                            • wrapper
                              wrapper Moderators last edited by

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

                              Fix sx and CKey/CPubKey : - commit

                              https://github.com/FeatherCoin/Feathercoin/commit/55252135009938926532ddeabb3ac52d991b4381

                              src/qt/res/icons/*

                               src/qt/res/icons/sx.png

                              icon file added

                              1 Reply Last reply Reply Quote 0
                              • wrapper
                                wrapper Moderators last edited by

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

                                Fix sx and CKey/CPubKey : - commit

                                https://github.com/FeatherCoin/Feathercoin/commit/55252135009938926532ddeabb3ac52d991b4381

                                src/qt/signverifymessagedialog.cpp

                                 +     //CPubKey pubkey;
 +     CKey key;
 +     //if (!pubkey.RecoverCompact(Hash(ss.begin(), ss.end()), vchSig))
 +     if (!key.SetCompactSignature(Hash(ss.begin(), ss.end()), vchSig))

                                Code replaced

                                 +    //if (!(CBitcoinAddress(pubkey.GetID()) == addr))
 +    if (!(CBitcoinAddress(key.GetPubKey().GetID()) == addr))

                                Code replaced

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