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Prevector type

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This commit is contained in:
Pieter Wuille
2015-10-29 07:11:24 +01:00
parent 4f09b77c7f
commit 114b5812f6
19 changed files with 874 additions and 68 deletions
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2
src/script/interpreter.cpp
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@@ -1032,7 +1032,7 @@ public:
// Serialize the script
if (nInput != nIn)
// Blank out other inputs' signatures
::Serialize(s, CScript(), nType, nVersion);
::Serialize(s, CScriptBase(), nType, nVersion);
else
SerializeScriptCode(s, nType, nVersion);
// Serialize the nSequence

6
src/script/script.cpp
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@@ -205,9 +205,9 @@ bool CScript::IsPayToScriptHash() const
{
// Extra-fast test for pay-to-script-hash CScripts:
return (this->size() == 23 &&
this->at(0) == OP_HASH160 &&
this->at(1) == 0x14 &&
this->at(22) == OP_EQUAL);
(*this)[0] == OP_HASH160 &&
(*this)[1] == 0x14 &&
(*this)[22] == OP_EQUAL);
}
bool CScript::IsPushOnly(const_iterator pc) const

14
src/script/script.h
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@@ -7,6 +7,7 @@
#define BITCOIN_SCRIPT_SCRIPT_H
#include "crypto/common.h"
#include "prevector.h"
#include <assert.h>
#include <climits>
@@ -354,8 +355,10 @@ private:
int64_t m_value;
};
typedef prevector<28, unsigned char> CScriptBase;
/** Serialized script, used inside transaction inputs and outputs */
class CScript : public std::vector<unsigned char>
class CScript : public CScriptBase
{
protected:
CScript& push_int64(int64_t n)
@@ -376,9 +379,10 @@ protected:
}
public:
CScript() { }
CScript(const CScript& b) : std::vector<unsigned char>(b.begin(), b.end()) { }
CScript(const_iterator pbegin, const_iterator pend) : std::vector<unsigned char>(pbegin, pend) { }
CScript(const unsigned char* pbegin, const unsigned char* pend) : std::vector<unsigned char>(pbegin, pend) { }
CScript(const CScript& b) : CScriptBase(b.begin(), b.end()) { }
CScript(const_iterator pbegin, const_iterator pend) : CScriptBase(pbegin, pend) { }
CScript(std::vector<unsigned char>::const_iterator pbegin, std::vector<unsigned char>::const_iterator pend) : CScriptBase(pbegin, pend) { }
CScript(const unsigned char* pbegin, const unsigned char* pend) : CScriptBase(pbegin, pend) { }
CScript& operator+=(const CScript& b)
{
@@ -611,7 +615,7 @@ public:
void clear()
{
// The default std::vector::clear() does not release memory.
std::vector<unsigned char>().swap(*this);
CScriptBase().swap(*this);
}
};

4
src/script/sign.cpp
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@@ -16,7 +16,7 @@
using namespace std;
typedef vector<unsigned char> valtype;
typedef std::vector<unsigned char> valtype;
TransactionSignatureCreator::TransactionSignatureCreator(const CKeyStore* keystoreIn, const CTransaction* txToIn, unsigned int nInIn, int nHashTypeIn) : BaseSignatureCreator(keystoreIn), txTo(txToIn), nIn(nInIn), nHashType(nHashTypeIn), checker(txTo, nIn) {}
@@ -118,7 +118,7 @@ bool ProduceSignature(const BaseSignatureCreator& creator, const CScript& fromPu
bool fSolved =
SignStep(creator, subscript, scriptSig, subType) && subType != TX_SCRIPTHASH;
// Append serialized subscript whether or not it is completely signed:
scriptSig << static_cast<valtype>(subscript);
scriptSig << valtype(subscript.begin(), subscript.end());
if (!fSolved) return false;
}