AskDavis/Casinotest
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Version 1.1.0.0 update

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transcoder
2014-02-12 04:09:36 -07:00
parent 58decdbca7
commit f03acc635f
481 changed files with 156398 additions and 57772 deletions
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103
src/script.h
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@@ -1,7 +1,5 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Copyright (c) 2011-2012 Litecoin Developers
// Copyright (c) 2013 CasinoCoin Developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef H_BITCOIN_SCRIPT
@@ -16,8 +14,11 @@
#include "keystore.h"
#include "bignum.h"
class CCoins;
class CTransaction;
static const unsigned int MAX_SCRIPT_ELEMENT_SIZE = 520; // bytes
/** Signature hash types/flags */
enum
{
@@ -27,6 +28,14 @@ enum
SIGHASH_ANYONECANPAY = 0x80,
};
/** Script verification flags */
enum
{
SCRIPT_VERIFY_NONE = 0,
SCRIPT_VERIFY_P2SH = (1U << 0),
SCRIPT_VERIFY_STRICTENC = (1U << 1),
SCRIPT_VERIFY_NOCACHE = (1U << 2),
};
enum txnouttype
{
@@ -339,8 +348,10 @@ public:
CScript& operator<<(const CPubKey& key)
{
std::vector<unsigned char> vchKey = key.Raw();
return (*this) << vchKey;
assert(key.size() < OP_PUSHDATA1);
insert(end(), (unsigned char)key.size());
insert(end(), key.begin(), key.end());
return *this;
}
CScript& operator<<(const CBigNum& b)
@@ -380,7 +391,7 @@ public:
{
// I'm not sure if this should push the script or concatenate scripts.
// If there's ever a use for pushing a script onto a script, delete this member fn
assert(!"warning: pushing a CScript onto a CScript with << is probably not intended, use + to concatenate");
assert(!"Warning: Pushing a CScript onto a CScript with << is probably not intended, use + to concatenate!");
return *this;
}
@@ -428,7 +439,7 @@ public:
// Immediate operand
if (opcode <= OP_PUSHDATA4)
{
unsigned int nSize;
unsigned int nSize = 0;
if (opcode < OP_PUSHDATA1)
{
nSize = opcode;
@@ -539,7 +550,7 @@ public:
void SetDestination(const CTxDestination& address);
void SetMultisig(int nRequired, const std::vector<CKey>& keys);
void SetMultisig(int nRequired, const std::vector<CPubKey>& keys);
void PrintHex() const
@@ -581,11 +592,83 @@ public:
}
};
/** Compact serializer for scripts.
*
* It detects common cases and encodes them much more efficiently.
* 3 special cases are defined:
* * Pay to pubkey hash (encoded as 21 bytes)
* * Pay to script hash (encoded as 21 bytes)
* * Pay to pubkey starting with 0x02, 0x03 or 0x04 (encoded as 33 bytes)
*
* Other scripts up to 121 bytes require 1 byte + script length. Above
* that, scripts up to 16505 bytes require 2 bytes + script length.
*/
class CScriptCompressor
{
private:
// make this static for now (there are only 6 special scripts defined)
// this can potentially be extended together with a new nVersion for
// transactions, in which case this value becomes dependent on nVersion
// and nHeight of the enclosing transaction.
static const unsigned int nSpecialScripts = 6;
CScript &script;
protected:
// These check for scripts for which a special case with a shorter encoding is defined.
// They are implemented separately from the CScript test, as these test for exact byte
// sequence correspondences, and are more strict. For example, IsToPubKey also verifies
// whether the public key is valid (as invalid ones cannot be represented in compressed
// form).
bool IsToKeyID(CKeyID &hash) const;
bool IsToScriptID(CScriptID &hash) const;
bool IsToPubKey(CPubKey &pubkey) const;
bool Compress(std::vector<unsigned char> &out) const;
unsigned int GetSpecialSize(unsigned int nSize) const;
bool Decompress(unsigned int nSize, const std::vector<unsigned char> &out);
public:
CScriptCompressor(CScript &scriptIn) : script(scriptIn) { }
unsigned int GetSerializeSize(int nType, int nVersion) const {
std::vector<unsigned char> compr;
if (Compress(compr))
return compr.size();
unsigned int nSize = script.size() + nSpecialScripts;
return script.size() + VARINT(nSize).GetSerializeSize(nType, nVersion);
}
bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& script, const CTransaction& txTo, unsigned int nIn, int nHashType);
template<typename Stream>
void Serialize(Stream &s, int nType, int nVersion) const {
std::vector<unsigned char> compr;
if (Compress(compr)) {
s << CFlatData(&compr[0], &compr[compr.size()]);
return;
}
unsigned int nSize = script.size() + nSpecialScripts;
s << VARINT(nSize);
s << CFlatData(&script[0], &script[script.size()]);
}
template<typename Stream>
void Unserialize(Stream &s, int nType, int nVersion) {
unsigned int nSize = 0;
s >> VARINT(nSize);
if (nSize < nSpecialScripts) {
std::vector<unsigned char> vch(GetSpecialSize(nSize), 0x00);
s >> REF(CFlatData(&vch[0], &vch[vch.size()]));
Decompress(nSize, vch);
return;
}
nSize -= nSpecialScripts;
script.resize(nSize);
s >> REF(CFlatData(&script[0], &script[script.size()]));
}
};
bool IsCanonicalPubKey(const std::vector<unsigned char> &vchPubKey);
bool IsCanonicalSignature(const std::vector<unsigned char> &vchSig);
bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& script, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType);
bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<std::vector<unsigned char> >& vSolutionsRet);
int ScriptSigArgsExpected(txnouttype t, const std::vector<std::vector<unsigned char> >& vSolutions);
bool IsStandard(const CScript& scriptPubKey);
@@ -595,9 +678,7 @@ bool ExtractDestination(const CScript& scriptPubKey, CTxDestination& addressRet)
bool ExtractDestinations(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<CTxDestination>& addressRet, int& nRequiredRet);
bool SignSignature(const CKeyStore& keystore, const CScript& fromPubKey, CTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL);
bool SignSignature(const CKeyStore& keystore, const CTransaction& txFrom, CTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL);
bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn,
bool fValidatePayToScriptHash, int nHashType);
bool VerifySignature(const CTransaction& txFrom, const CTransaction& txTo, unsigned int nIn, bool fValidatePayToScriptHash, int nHashType);
bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType);
// Given two sets of signatures for scriptPubKey, possibly with OP_0 placeholders,
// combine them intelligently and return the result.