Update License in File Headers
[novacoin.git] / src / keystore.cpp
index 9e1dab6..5b84206 100644 (file)
@@ -1,25 +1,17 @@
-// Copyright (c) 2009-2011 Satoshi Nakamoto & Bitcoin developers
+// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "headers.h"
-#include "db.h"
 #include "crypter.h"
+#include "db.h"
+#include "script.h"
 
-std::vector<unsigned char> CKeyStore::GenerateNewKey()
-{
-    RandAddSeedPerfmon();
-    CKey key;
-    key.MakeNewKey();
-    if (!AddKey(key))
-        throw std::runtime_error("CKeyStore::GenerateNewKey() : AddKey failed");
-    return key.GetPubKey();
-}
-
-bool CKeyStore::GetPubKey(const uint160 &hashAddress, std::vector<unsigned char> &vchPubKeyOut) const
+bool CKeyStore::GetPubKey(const CBitcoinAddress &address, std::vector<unsigned char> &vchPubKeyOut) const
 {
     CKey key;
-    if (!GetKey(hashAddress, key))
+    if (!GetKey(address, key))
         return false;
     vchPubKeyOut = key.GetPubKey();
     return true;
@@ -27,24 +19,59 @@ bool CKeyStore::GetPubKey(const uint160 &hashAddress, std::vector<unsigned char>
 
 bool CBasicKeyStore::AddKey(const CKey& key)
 {
+    bool fCompressed = false;
+    CSecret secret = key.GetSecret(fCompressed);
     CRITICAL_BLOCK(cs_KeyStore)
-        mapKeys[Hash160(key.GetPubKey())] = key.GetSecret();
+        mapKeys[CBitcoinAddress(key.GetPubKey())] = make_pair(secret, fCompressed);
     return true;
 }
 
-std::vector<unsigned char> CCryptoKeyStore::GenerateNewKey()
+bool CBasicKeyStore::AddCScript(const CScript& redeemScript)
 {
-    RandAddSeedPerfmon();
-    CKey key;
-    key.MakeNewKey();
-    if (!AddKey(key))
-        throw std::runtime_error("CCryptoKeyStore::GenerateNewKey() : AddKey failed");
-    return key.GetPubKey();
+    CRITICAL_BLOCK(cs_KeyStore)
+        mapScripts[Hash160(redeemScript)] = redeemScript;
+    return true;
+}
+
+bool CBasicKeyStore::HaveCScript(const uint160& hash) const
+{
+    bool result;
+    CRITICAL_BLOCK(cs_KeyStore)
+        result = (mapScripts.count(hash) > 0);
+    return result;
+}
+
+
+bool CBasicKeyStore::GetCScript(const uint160 &hash, CScript& redeemScriptOut) const
+{
+    CRITICAL_BLOCK(cs_KeyStore)
+    {
+        ScriptMap::const_iterator mi = mapScripts.find(hash);
+        if (mi != mapScripts.end())
+        {
+            redeemScriptOut = (*mi).second;
+            return true;
+        }
+    }
+    return false;
+}
+
+bool CCryptoKeyStore::SetCrypted()
+{
+    CRITICAL_BLOCK(cs_KeyStore)
+    {
+        if (fUseCrypto)
+            return true;
+        if (!mapKeys.empty())
+            return false;
+        fUseCrypto = true;
+    }
+    return true;
 }
 
 bool CCryptoKeyStore::Unlock(const CKeyingMaterial& vMasterKeyIn)
 {
-    CRITICAL_BLOCK(cs_vMasterKey)
+    CRITICAL_BLOCK(cs_KeyStore)
     {
         if (!SetCrypted())
             return false;
@@ -57,7 +84,10 @@ bool CCryptoKeyStore::Unlock(const CKeyingMaterial& vMasterKeyIn)
             CSecret vchSecret;
             if(!DecryptSecret(vMasterKeyIn, vchCryptedSecret, Hash(vchPubKey.begin(), vchPubKey.end()), vchSecret))
                 return false;
+            if (vchSecret.size() != 32)
+                return false;
             CKey key;
+            key.SetPubKey(vchPubKey);
             key.SetSecret(vchSecret);
             if (key.GetPubKey() == vchPubKey)
                 break;
@@ -71,7 +101,6 @@ bool CCryptoKeyStore::Unlock(const CKeyingMaterial& vMasterKeyIn)
 bool CCryptoKeyStore::AddKey(const CKey& key)
 {
     CRITICAL_BLOCK(cs_KeyStore)
-    CRITICAL_BLOCK(cs_vMasterKey)
     {
         if (!IsCrypted())
             return CBasicKeyStore::AddKey(key);
@@ -81,7 +110,8 @@ bool CCryptoKeyStore::AddKey(const CKey& key)
 
         std::vector<unsigned char> vchCryptedSecret;
         std::vector<unsigned char> vchPubKey = key.GetPubKey();
-        if (!EncryptSecret(vMasterKey, key.GetSecret(), Hash(vchPubKey.begin(), vchPubKey.end()), vchCryptedSecret))
+        bool fCompressed;
+        if (!EncryptSecret(vMasterKey, key.GetSecret(fCompressed), Hash(vchPubKey.begin(), vchPubKey.end()), vchCryptedSecret))
             return false;
 
         if (!AddCryptedKey(key.GetPubKey(), vchCryptedSecret))
@@ -98,19 +128,19 @@ bool CCryptoKeyStore::AddCryptedKey(const std::vector<unsigned char> &vchPubKey,
         if (!SetCrypted())
             return false;
 
-        mapCryptedKeys[Hash160(vchPubKey)] = make_pair(vchPubKey, vchCryptedSecret);
+        mapCryptedKeys[CBitcoinAddress(vchPubKey)] = make_pair(vchPubKey, vchCryptedSecret);
     }
     return true;
 }
 
-bool CCryptoKeyStore::GetKey(const uint160 &hashAddress, CKey& keyOut) const
+bool CCryptoKeyStore::GetKey(const CBitcoinAddress &address, CKey& keyOut) const
 {
-    CRITICAL_BLOCK(cs_vMasterKey)
+    CRITICAL_BLOCK(cs_KeyStore)
     {
         if (!IsCrypted())
-            return CBasicKeyStore::GetKey(hashAddress, keyOut);
+            return CBasicKeyStore::GetKey(address, keyOut);
 
-        CryptedKeyMap::const_iterator mi = mapCryptedKeys.find(hashAddress);
+        CryptedKeyMap::const_iterator mi = mapCryptedKeys.find(address);
         if (mi != mapCryptedKeys.end())
         {
             const std::vector<unsigned char> &vchPubKey = (*mi).second.first;
@@ -118,6 +148,9 @@ bool CCryptoKeyStore::GetKey(const uint160 &hashAddress, CKey& keyOut) const
             CSecret vchSecret;
             if (!DecryptSecret(vMasterKey, vchCryptedSecret, Hash(vchPubKey.begin(), vchPubKey.end()), vchSecret))
                 return false;
+            if (vchSecret.size() != 32)
+                return false;
+            keyOut.SetPubKey(vchPubKey);
             keyOut.SetSecret(vchSecret);
             return true;
         }
@@ -125,14 +158,14 @@ bool CCryptoKeyStore::GetKey(const uint160 &hashAddress, CKey& keyOut) const
     return false;
 }
 
-bool CCryptoKeyStore::GetPubKey(const uint160 &hashAddress, std::vector<unsigned char>& vchPubKeyOut) const
+bool CCryptoKeyStore::GetPubKey(const CBitcoinAddress &address, std::vector<unsigned char>& vchPubKeyOut) const
 {
-    CRITICAL_BLOCK(cs_vMasterKey)
+    CRITICAL_BLOCK(cs_KeyStore)
     {
         if (!IsCrypted())
-            return CKeyStore::GetPubKey(hashAddress, vchPubKeyOut);
+            return CKeyStore::GetPubKey(address, vchPubKeyOut);
 
-        CryptedKeyMap::const_iterator mi = mapCryptedKeys.find(hashAddress);
+        CryptedKeyMap::const_iterator mi = mapCryptedKeys.find(address);
         if (mi != mapCryptedKeys.end())
         {
             vchPubKeyOut = (*mi).second.first;
@@ -145,20 +178,20 @@ bool CCryptoKeyStore::GetPubKey(const uint160 &hashAddress, std::vector<unsigned
 bool CCryptoKeyStore::EncryptKeys(CKeyingMaterial& vMasterKeyIn)
 {
     CRITICAL_BLOCK(cs_KeyStore)
-    CRITICAL_BLOCK(cs_vMasterKey)
     {
         if (!mapCryptedKeys.empty() || IsCrypted())
             return false;
 
         fUseCrypto = true;
-        CKey key;
         BOOST_FOREACH(KeyMap::value_type& mKey, mapKeys)
         {
-            if (!key.SetPrivKey(mKey.second))
+            CKey key;
+            if (!key.SetSecret(mKey.second.first, mKey.second.second))
                 return false;
             const std::vector<unsigned char> vchPubKey = key.GetPubKey();
             std::vector<unsigned char> vchCryptedSecret;
-            if (!EncryptSecret(vMasterKeyIn, key.GetSecret(), Hash(vchPubKey.begin(), vchPubKey.end()), vchCryptedSecret))
+            bool fCompressed;
+            if (!EncryptSecret(vMasterKeyIn, key.GetSecret(fCompressed), Hash(vchPubKey.begin(), vchPubKey.end()), vchCryptedSecret))
                 return false;
             if (!AddCryptedKey(vchPubKey, vchCryptedSecret))
                 return false;