// 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 COPYING or http://www.opensource.org/licenses/mit-license.php.
// could be used to create visually identical looking account numbers.
// - A string with non-alphanumeric characters is not as easily accepted as an account number.
// - E-mail usually won't line-break if there's no punctuation to break at.
-// - Doubleclicking selects the whole number as one word if it's all alphanumeric.
+// - Double-clicking selects the whole number as one word if it's all alphanumeric.
//
#ifndef BITCOIN_BASE58_H
#define BITCOIN_BASE58_H
#include <string>
#include <vector>
#include "bignum.h"
+#include "key.h"
+#include "script.h"
static const char* pszBase58 = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
if (!BN_div(&dv, &rem, &bn, &bn58, pctx))
throw bignum_error("EncodeBase58 : BN_div failed");
bn = dv;
- unsigned int c = rem.getulong();
+ unsigned int c = rem.getuint32();
str += pszBase58[c];
}
}
// Decode a base58-encoded string psz into byte vector vchRet
-// returns true if decoding is succesful
+// returns true if decoding is successful
inline bool DecodeBase58(const char* psz, std::vector<unsigned char>& vchRet)
{
CAutoBN_CTX pctx;
return false;
break;
}
- bnChar.setulong(p1 - pszBase58);
+ bnChar.setuint32(p1 - pszBase58);
if (!BN_mul(&bn, &bn, &bn58, pctx))
throw bignum_error("DecodeBase58 : BN_mul failed");
bn += bnChar;
}
// Decode a base58-encoded string str into byte vector vchRet
-// returns true if decoding is succesful
+// returns true if decoding is successful
inline bool DecodeBase58(const std::string& str, std::vector<unsigned char>& vchRet)
{
return DecodeBase58(str.c_str(), vchRet);
}
// Decode a base58-encoded string psz that includes a checksum, into byte vector vchRet
-// returns true if decoding is succesful
+// returns true if decoding is successful
inline bool DecodeBase58Check(const char* psz, std::vector<unsigned char>& vchRet)
{
if (!DecodeBase58(psz, vchRet))
}
// Decode a base58-encoded string str that includes a checksum, into byte vector vchRet
-// returns true if decoding is succesful
+// returns true if decoding is successful
inline bool DecodeBase58Check(const std::string& str, std::vector<unsigned char>& vchRet)
{
return DecodeBase58Check(str.c_str(), vchRet);
-// Base class for all base58-encoded data
+/** Base class for all base58-encoded data */
class CBase58Data
{
protected:
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;
+class CBitcoinAddressVisitor : public boost::static_visitor<bool>
+{
+private:
+ CBitcoinAddress *addr;
+public:
+ CBitcoinAddressVisitor(CBitcoinAddress *addrIn) : addr(addrIn) { }
+ bool operator()(const CKeyID &id) const;
+ bool operator()(const CScriptID &id) const;
+ bool operator()(const CNoDestination &no) const;
+};
+
class CBitcoinAddress : public CBase58Data
{
public:
- bool SetHash160(const uint160& hash160)
+ enum
{
- SetData(fTestNet ? 111 : 0, &hash160, 20);
+ PUBKEY_ADDRESS = 8,
+ SCRIPT_ADDRESS = 20,
+ PUBKEY_ADDRESS_TEST = 111,
+ SCRIPT_ADDRESS_TEST = 196,
+ };
+
+ bool Set(const CKeyID &id) {
+ SetData(fTestNet ? PUBKEY_ADDRESS_TEST : PUBKEY_ADDRESS, &id, 20);
return true;
}
- bool SetPubKey(const std::vector<unsigned char>& vchPubKey)
+ bool Set(const CScriptID &id) {
+ SetData(fTestNet ? SCRIPT_ADDRESS_TEST : SCRIPT_ADDRESS, &id, 20);
+ return true;
+ }
+
+ bool Set(const CTxDestination &dest)
{
- return SetHash160(Hash160(vchPubKey));
+ return boost::apply_visitor(CBitcoinAddressVisitor(this), dest);
}
bool IsValid() const
bool fExpectTestNet = false;
switch(nVersion)
{
- case 0:
+ case PUBKEY_ADDRESS:
+ nExpectedSize = 20; // Hash of public key
+ fExpectTestNet = false;
+ break;
+ case SCRIPT_ADDRESS:
+ nExpectedSize = 20; // Hash of CScript
+ fExpectTestNet = false;
break;
- case 111:
+ case PUBKEY_ADDRESS_TEST:
+ nExpectedSize = 20;
+ fExpectTestNet = true;
+ break;
+ case SCRIPT_ADDRESS_TEST:
+ nExpectedSize = 20;
fExpectTestNet = true;
break;
{
}
- CBitcoinAddress(uint160 hash160In)
- {
- SetHash160(hash160In);
- }
-
- CBitcoinAddress(const std::vector<unsigned char>& vchPubKey)
+ CBitcoinAddress(const CTxDestination &dest)
{
- SetPubKey(vchPubKey);
+ Set(dest);
}
CBitcoinAddress(const std::string& strAddress)
SetString(pszAddress);
}
- uint160 GetHash160() const
+ CTxDestination Get() const {
+ if (!IsValid())
+ return CNoDestination();
+ switch (nVersion) {
+ case PUBKEY_ADDRESS:
+ case PUBKEY_ADDRESS_TEST: {
+ uint160 id;
+ memcpy(&id, &vchData[0], 20);
+ return CKeyID(id);
+ }
+ case SCRIPT_ADDRESS:
+ case SCRIPT_ADDRESS_TEST: {
+ uint160 id;
+ memcpy(&id, &vchData[0], 20);
+ return CScriptID(id);
+ }
+ }
+ return CNoDestination();
+ }
+
+ bool GetKeyID(CKeyID &keyID) const {
+ if (!IsValid())
+ return false;
+ switch (nVersion) {
+ case PUBKEY_ADDRESS:
+ case PUBKEY_ADDRESS_TEST: {
+ uint160 id;
+ memcpy(&id, &vchData[0], 20);
+ keyID = CKeyID(id);
+ return true;
+ }
+ default: return false;
+ }
+ }
+
+ bool IsScript() const {
+ if (!IsValid())
+ return false;
+ switch (nVersion) {
+ case SCRIPT_ADDRESS:
+ case SCRIPT_ADDRESS_TEST: {
+ return true;
+ }
+ default: return false;
+ }
+ }
+};
+
+bool inline CBitcoinAddressVisitor::operator()(const CKeyID &id) const { return addr->Set(id); }
+bool inline CBitcoinAddressVisitor::operator()(const CScriptID &id) const { return addr->Set(id); }
+bool inline CBitcoinAddressVisitor::operator()(const CNoDestination &id) const { return false; }
+
+/** A base58-encoded secret key */
+class CBitcoinSecret : public CBase58Data
+{
+public:
+ void SetSecret(const CSecret& vchSecret, bool fCompressed)
+ {
+ assert(vchSecret.size() == 32);
+ SetData(128 + (fTestNet ? CBitcoinAddress::PUBKEY_ADDRESS_TEST : CBitcoinAddress::PUBKEY_ADDRESS), &vchSecret[0], vchSecret.size());
+ if (fCompressed)
+ vchData.push_back(1);
+ }
+
+ CSecret GetSecret(bool &fCompressedOut)
+ {
+ CSecret vchSecret;
+ vchSecret.resize(32);
+ memcpy(&vchSecret[0], &vchData[0], 32);
+ fCompressedOut = vchData.size() == 33;
+ return vchSecret;
+ }
+
+ bool IsValid() const
+ {
+ bool fExpectTestNet = false;
+ switch(nVersion)
+ {
+ case (128 + CBitcoinAddress::PUBKEY_ADDRESS):
+ break;
+
+ case (128 + CBitcoinAddress::PUBKEY_ADDRESS_TEST):
+ fExpectTestNet = true;
+ break;
+
+ default:
+ return false;
+ }
+ 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, bool fCompressed)
+ {
+ SetSecret(vchSecret, fCompressed);
+ }
+
+ CBitcoinSecret()
{
- assert(vchData.size() == 20);
- uint160 hash160;
- memcpy(&hash160, &vchData[0], 20);
- return hash160;
}
};
git://git.novaco.in / novacoin.git / blobdiff