Hush Full Node software. We were censored from Github, this is where all development happens now.
https://hush.is
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
123 lines
4.2 KiB
123 lines
4.2 KiB
// Copyright (c) 2009-2010 Satoshi Nakamoto
|
|
// Copyright (c) 2009-2014 The Bitcoin Core developers
|
|
// Distributed under the GPLv3 software license, see the accompanying
|
|
// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
|
|
|
|
/******************************************************************************
|
|
* Copyright © 2014-2019 The SuperNET Developers. *
|
|
* *
|
|
* See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at *
|
|
* the top-level directory of this distribution for the individual copyright *
|
|
* holder information and the developer policies on copyright and licensing. *
|
|
* *
|
|
* Unless otherwise agreed in a custom licensing agreement, no part of the *
|
|
* SuperNET software, including this file may be copied, modified, propagated *
|
|
* or distributed except according to the terms contained in the LICENSE file *
|
|
* *
|
|
* Removal or modification of this copyright notice is prohibited. *
|
|
* *
|
|
******************************************************************************/
|
|
|
|
#include "zcashconsensus.h"
|
|
|
|
#include "consensus/upgrades.h"
|
|
#include "primitives/transaction.h"
|
|
#include "pubkey.h"
|
|
#include "script/interpreter.h"
|
|
#include "version.h"
|
|
|
|
namespace {
|
|
|
|
/** A class that deserializes a single CTransaction one time. */
|
|
class TxInputStream
|
|
{
|
|
public:
|
|
TxInputStream(int nTypeIn, int nVersionIn, const unsigned char *txTo, size_t txToLen) :
|
|
m_type(nTypeIn),
|
|
m_version(nVersionIn),
|
|
m_data(txTo),
|
|
m_remaining(txToLen)
|
|
{}
|
|
|
|
void read(char* pch, size_t nSize)
|
|
{
|
|
if (nSize > m_remaining)
|
|
throw std::ios_base::failure(std::string(__func__) + ": end of data");
|
|
|
|
if (pch == NULL)
|
|
throw std::ios_base::failure(std::string(__func__) + ": bad destination buffer");
|
|
|
|
if (m_data == NULL)
|
|
throw std::ios_base::failure(std::string(__func__) + ": bad source buffer");
|
|
|
|
memcpy(pch, m_data, nSize);
|
|
m_remaining -= nSize;
|
|
m_data += nSize;
|
|
}
|
|
|
|
template<typename T>
|
|
TxInputStream& operator>>(T& obj)
|
|
{
|
|
::Unserialize(*this, obj);
|
|
return *this;
|
|
}
|
|
|
|
int GetVersion() const { return m_version; }
|
|
int GetType() const { return m_type; }
|
|
private:
|
|
const int m_type;
|
|
const int m_version;
|
|
const unsigned char* m_data;
|
|
size_t m_remaining;
|
|
};
|
|
|
|
inline int set_error(zcashconsensus_error* ret, zcashconsensus_error serror)
|
|
{
|
|
if (ret)
|
|
*ret = serror;
|
|
return 0;
|
|
}
|
|
|
|
struct ECCryptoClosure
|
|
{
|
|
ECCVerifyHandle handle;
|
|
};
|
|
|
|
ECCryptoClosure instance_of_eccryptoclosure;
|
|
}
|
|
|
|
int zcashconsensus_verify_script(const unsigned char *scriptPubKey, unsigned int scriptPubKeyLen,
|
|
const unsigned char *txTo , unsigned int txToLen,
|
|
unsigned int nIn, unsigned int flags, zcashconsensus_error* err)
|
|
{
|
|
try {
|
|
TxInputStream stream(SER_NETWORK, PROTOCOL_VERSION, txTo, txToLen);
|
|
CTransaction tx;
|
|
stream >> tx;
|
|
if (nIn >= tx.vin.size())
|
|
return set_error(err, zcashconsensus_ERR_TX_INDEX);
|
|
if (GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION) != txToLen)
|
|
return set_error(err, zcashconsensus_ERR_TX_SIZE_MISMATCH);
|
|
|
|
// Regardless of the verification result, the tx did not error.
|
|
set_error(err, zcashconsensus_ERR_OK);
|
|
PrecomputedTransactionData txdata(tx);
|
|
CAmount am(0);
|
|
uint32_t consensusBranchId = SPROUT_BRANCH_ID;
|
|
return VerifyScript(
|
|
tx.vin[nIn].scriptSig,
|
|
CScript(scriptPubKey, scriptPubKey + scriptPubKeyLen),
|
|
flags,
|
|
TransactionSignatureChecker(&tx, nIn, am, txdata),
|
|
consensusBranchId,
|
|
NULL);
|
|
} catch (const std::exception&) {
|
|
return set_error(err, zcashconsensus_ERR_TX_DESERIALIZE); // Error deserializing
|
|
}
|
|
}
|
|
|
|
unsigned int zcashconsensus_version()
|
|
{
|
|
// Just use the API version for now
|
|
return ZCASHCONSENSUS_API_VER;
|
|
}
|
|
|