Update License in File Headers

[novacoin.git] / src / base58.h

diff --git a/src/base58.h b/src/base58.h
index 4be1198..bc681a0 100644 (file)
--- a/src/base58.h
+++ b/src/base58.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2011 The Bitcoin Developers
+// 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.
 
 
 //
@@ -169,7 +169,7 @@ inline bool DecodeBase58Check(const std::string& str, std::vector<unsigned char>
 
 
 
-// Base class for all base58-encoded data
+/** Base class for all base58-encoded data */
 class CBase58Data
 {
 protected:
@@ -252,15 +252,27 @@ public:
     bool operator> (const CBase58Data& b58) const { return CompareTo(b58) >  0; }
 };
 
-// base58-encoded bitcoin addresses
-// Addresses have version 0 or 111 (testnet)
-// The data vector contains RIPEMD160(SHA256(pubkey)), where pubkey is the serialized public key
+/** base58-encoded bitcoin addresses.
+ * Public-key-hash-addresses have version 0 (or 111 testnet).
+ * The data vector contains RIPEMD160(SHA256(pubkey)), where pubkey is the serialized public key.
+ * Script-hash-addresses have version 5 (or 196 testnet).
+ * The data vector contains RIPEMD160(SHA256(cscript)), where cscript is the serialized redemption script.
+ */
 class CBitcoinAddress : public CBase58Data
 {
 public:
-    void SetHash160(const uint160& hash160)
+    enum
     {
-        SetData(fTestNet ? 111 : 0, &hash160, 20);
+        PUBKEY_ADDRESS = 0,
+        SCRIPT_ADDRESS = 5,
+        PUBKEY_ADDRESS_TEST = 111,
+        SCRIPT_ADDRESS_TEST = 196,
+    };
+
+    bool SetHash160(const uint160& hash160)
+    {
+        SetData(fTestNet ? PUBKEY_ADDRESS_TEST : PUBKEY_ADDRESS, &hash160, 20);
+        return true;
     }
 
     void SetPubKey(const std::vector<unsigned char>& vchPubKey)
@@ -270,30 +282,30 @@ public:
 
     bool SetScriptHash160(const uint160& hash160)
     {
-        SetData(fTestNet ? 111^2 : 2, &hash160, 20);
+        SetData(fTestNet ? SCRIPT_ADDRESS_TEST : SCRIPT_ADDRESS, &hash160, 20);
         return true;
     }
 
     bool IsValid() const
     {
-        int nExpectedSize = 20;
+        unsigned int nExpectedSize = 20;
         bool fExpectTestNet = false;
         switch(nVersion)
         {
-            case 0:
+            case PUBKEY_ADDRESS:
                 nExpectedSize = 20; // Hash of public key
                 fExpectTestNet = false;
                 break;
-            case 2:
-                nExpectedSize = 20; // OP_EVAL, hash of CScript
+            case SCRIPT_ADDRESS:
+                nExpectedSize = 20; // Hash of CScript
                 fExpectTestNet = false;
                 break;
 
-            case 111:
+            case PUBKEY_ADDRESS_TEST:
                 nExpectedSize = 20;
                 fExpectTestNet = true;
                 break;
-            case 111^2:
+            case SCRIPT_ADDRESS_TEST:
                 nExpectedSize = 20;
                 fExpectTestNet = true;
                 break;
@@ -308,8 +320,8 @@ public:
         if (!IsValid())
             return false;
         if (fTestNet)
-            return nVersion == 111^2;
-        return nVersion == 2;
+            return nVersion == SCRIPT_ADDRESS_TEST;
+        return nVersion == SCRIPT_ADDRESS;
     }
 
     CBitcoinAddress()
@@ -345,25 +357,29 @@ public:
     }
 };
 
+/** A base58-encoded secret key */
 class CBitcoinSecret : public CBase58Data
 {
 public:
-    void SetSecret(const CSecret& vchSecret)
-    {
+    void SetSecret(const CSecret& vchSecret, bool fCompressed)
+    { 
+        assert(vchSecret.size() == 32);
         SetData(fTestNet ? 239 : 128, &vchSecret[0], vchSecret.size());
+        if (fCompressed)
+            vchData.push_back(1);
     }
 
-    CSecret GetSecret()
+    CSecret GetSecret(bool &fCompressedOut)
     {
         CSecret vchSecret;
-        vchSecret.resize(vchData.size());
-        memcpy(&vchSecret[0], &vchData[0], vchData.size());
+        vchSecret.resize(32);
+        memcpy(&vchSecret[0], &vchData[0], 32);
+        fCompressedOut = vchData.size() == 33;
         return vchSecret;
     }
 
     bool IsValid() const
     {
-        int nExpectedSize = 32;
         bool fExpectTestNet = false;
         switch(nVersion)
         {
@@ -377,12 +393,22 @@ public:
             default:
                 return false;
         }
-        return fExpectTestNet == fTestNet && vchData.size() == nExpectedSize;
+        return fExpectTestNet == fTestNet && (vchData.size() == 32 || (vchData.size() == 33 && vchData[32] == 1));
+    }
+
+    bool SetString(const char* pszSecret)
+    {
+        return CBase58Data::SetString(pszSecret) && IsValid();
+    }
+
+    bool SetString(const std::string& strSecret)
+    {
+        return SetString(strSecret.c_str());
     }
 
-    CBitcoinSecret(const CSecret& vchSecret)
+    CBitcoinSecret(const CSecret& vchSecret, bool fCompressed)
     {
-        SetSecret(vchSecret);
+        SetSecret(vchSecret, fCompressed);
     }
 
     CBitcoinSecret()