Merge remote-tracking branch 'zcash/master' into dPoW

This commit is contained in:
jl777
2016-10-28 13:50:21 -03:00
137 changed files with 5475 additions and 1453 deletions

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@@ -252,7 +252,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, un
vector<bool> vfExec;
vector<valtype> altstack;
set_error(serror, SCRIPT_ERR_UNKNOWN_ERROR);
if (script.size() > 10000)
if (script.size() > MAX_SCRIPT_SIZE)
return set_error(serror, SCRIPT_ERR_SCRIPT_SIZE);
int nOpCount = 0;
bool fRequireMinimal = (flags & SCRIPT_VERIFY_MINIMALDATA) != 0;

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@@ -19,6 +19,9 @@
static const unsigned int MAX_SCRIPT_ELEMENT_SIZE = 520; // bytes
// Maximum script length in bytes
static const int MAX_SCRIPT_SIZE = 10000;
// Threshold for nLockTime: below this value it is interpreted as block number,
// otherwise as UNIX timestamp.
static const unsigned int LOCKTIME_THRESHOLD = 500000000; // Tue Nov 5 00:53:20 1985 UTC
@@ -570,7 +573,7 @@ public:
*/
bool IsUnspendable() const
{
return (size() > 0 && *begin() == OP_RETURN);
return (size() > 0 && *begin() == OP_RETURN) || (size() > MAX_SCRIPT_SIZE);
}
std::string ToString() const;

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@@ -3,7 +3,7 @@
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "bitcoinconsensus.h"
#include "zcashconsensus.h"
#include "primitives/transaction.h"
#include "script/interpreter.h"
@@ -53,7 +53,7 @@ private:
size_t m_remaining;
};
inline int set_error(bitcoinconsensus_error* ret, bitcoinconsensus_error serror)
inline int set_error(zcashconsensus_error* ret, zcashconsensus_error serror)
{
if (ret)
*ret = serror;
@@ -62,30 +62,30 @@ inline int set_error(bitcoinconsensus_error* ret, bitcoinconsensus_error serror)
} // anon namespace
int bitcoinconsensus_verify_script(const unsigned char *scriptPubKey, unsigned int scriptPubKeyLen,
int zcashconsensus_verify_script(const unsigned char *scriptPubKey, unsigned int scriptPubKeyLen,
const unsigned char *txTo , unsigned int txToLen,
unsigned int nIn, unsigned int flags, bitcoinconsensus_error* err)
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, bitcoinconsensus_ERR_TX_INDEX);
return set_error(err, zcashconsensus_ERR_TX_INDEX);
if (tx.GetSerializeSize(SER_NETWORK, PROTOCOL_VERSION) != txToLen)
return set_error(err, bitcoinconsensus_ERR_TX_SIZE_MISMATCH);
return set_error(err, zcashconsensus_ERR_TX_SIZE_MISMATCH);
// Regardless of the verification result, the tx did not error.
set_error(err, bitcoinconsensus_ERR_OK);
set_error(err, zcashconsensus_ERR_OK);
return VerifyScript(tx.vin[nIn].scriptSig, CScript(scriptPubKey, scriptPubKey + scriptPubKeyLen), flags, TransactionSignatureChecker(&tx, nIn), NULL);
} catch (const std::exception&) {
return set_error(err, bitcoinconsensus_ERR_TX_DESERIALIZE); // Error deserializing
return set_error(err, zcashconsensus_ERR_TX_DESERIALIZE); // Error deserializing
}
}
unsigned int bitcoinconsensus_version()
unsigned int zcashconsensus_version()
{
// Just use the API version for now
return BITCOINCONSENSUS_API_VER;
return ZCASHCONSENSUS_API_VER;
}

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@@ -3,8 +3,8 @@
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_BITCOINCONSENSUS_H
#define BITCOIN_BITCOINCONSENSUS_H
#ifndef BITCOIN_ZCASHCONSENSUS_H
#define BITCOIN_ZCASHCONSENSUS_H
#if defined(BUILD_BITCOIN_INTERNAL) && defined(HAVE_CONFIG_H)
#include "config/bitcoin-config.h"
@@ -19,7 +19,7 @@
#elif defined(HAVE_FUNC_ATTRIBUTE_VISIBILITY)
#define EXPORT_SYMBOL __attribute__ ((visibility ("default")))
#endif
#elif defined(MSC_VER) && !defined(STATIC_LIBBITCOINCONSENSUS)
#elif defined(MSC_VER) && !defined(STATIC_LIBZCASHCONSENSUS)
#define EXPORT_SYMBOL __declspec(dllimport)
#endif
@@ -31,34 +31,34 @@
extern "C" {
#endif
#define BITCOINCONSENSUS_API_VER 0
#define ZCASHCONSENSUS_API_VER 0
typedef enum bitcoinconsensus_error_t
typedef enum zcashconsensus_error_t
{
bitcoinconsensus_ERR_OK = 0,
bitcoinconsensus_ERR_TX_INDEX,
bitcoinconsensus_ERR_TX_SIZE_MISMATCH,
bitcoinconsensus_ERR_TX_DESERIALIZE,
} bitcoinconsensus_error;
zcashconsensus_ERR_OK = 0,
zcashconsensus_ERR_TX_INDEX,
zcashconsensus_ERR_TX_SIZE_MISMATCH,
zcashconsensus_ERR_TX_DESERIALIZE,
} zcashconsensus_error;
/** Script verification flags */
enum
{
bitcoinconsensus_SCRIPT_FLAGS_VERIFY_NONE = 0,
bitcoinconsensus_SCRIPT_FLAGS_VERIFY_P2SH = (1U << 0), // evaluate P2SH (BIP16) subscripts
bitcoinconsensus_SCRIPT_FLAGS_VERIFY_DERSIG = (1U << 2), // enforce strict DER (BIP66) compliance
bitcoinconsensus_SCRIPT_FLAGS_VERIFY_CHECKLOCKTIMEVERIFY = (1U << 9), // enable CHECKLOCKTIMEVERIFY (BIP65)
zcashconsensus_SCRIPT_FLAGS_VERIFY_NONE = 0,
zcashconsensus_SCRIPT_FLAGS_VERIFY_P2SH = (1U << 0), // evaluate P2SH (BIP16) subscripts
zcashconsensus_SCRIPT_FLAGS_VERIFY_DERSIG = (1U << 2), // enforce strict DER (BIP66) compliance
zcashconsensus_SCRIPT_FLAGS_VERIFY_CHECKLOCKTIMEVERIFY = (1U << 9), // enable CHECKLOCKTIMEVERIFY (BIP65)
};
/// Returns 1 if the input nIn of the serialized transaction pointed to by
/// txTo correctly spends the scriptPubKey pointed to by scriptPubKey under
/// the additional constraints specified by flags.
/// If not NULL, err will contain an error/success code for the operation
EXPORT_SYMBOL int bitcoinconsensus_verify_script(const unsigned char *scriptPubKey, unsigned int scriptPubKeyLen,
EXPORT_SYMBOL int zcashconsensus_verify_script(const unsigned char *scriptPubKey, unsigned int scriptPubKeyLen,
const unsigned char *txTo , unsigned int txToLen,
unsigned int nIn, unsigned int flags, bitcoinconsensus_error* err);
unsigned int nIn, unsigned int flags, zcashconsensus_error* err);
EXPORT_SYMBOL unsigned int bitcoinconsensus_version();
EXPORT_SYMBOL unsigned int zcashconsensus_version();
#ifdef __cplusplus
} // extern "C"
@@ -66,4 +66,4 @@ EXPORT_SYMBOL unsigned int bitcoinconsensus_version();
#undef EXPORT_SYMBOL
#endif // BITCOIN_BITCOINCONSENSUS_H
#endif // BITCOIN_ZCASHCONSENSUS_H