89 lines
3.0 KiB
C++
89 lines
3.0 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
|
|
// Copyright (c) 2009-2016 The Bitcoin Core developers
|
|
// Distributed under the MIT software license, see the accompanying
|
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
#ifndef BITCOIN_CONSENSUS_VALIDATION_H
|
|
#define BITCOIN_CONSENSUS_VALIDATION_H
|
|
|
|
#include <string>
|
|
|
|
/** "reject" message codes */
|
|
static const unsigned char REJECT_MALFORMED = 0x01;
|
|
static const unsigned char REJECT_INVALID = 0x10;
|
|
static const unsigned char REJECT_OBSOLETE = 0x11;
|
|
static const unsigned char REJECT_DUPLICATE = 0x12;
|
|
static const unsigned char REJECT_NONSTANDARD = 0x40;
|
|
static const unsigned char REJECT_DUST = 0x41;
|
|
static const unsigned char REJECT_INSUFFICIENTFEE = 0x42;
|
|
static const unsigned char REJECT_CHECKPOINT = 0x43;
|
|
|
|
/** Capture information about block/transaction validation */
|
|
class CValidationState {
|
|
private:
|
|
enum mode_state {
|
|
MODE_VALID, //!< everything ok
|
|
MODE_INVALID, //!< network rule violation (DoS value may be set)
|
|
MODE_ERROR, //!< run-time error
|
|
} mode;
|
|
int nDoS;
|
|
std::string strRejectReason;
|
|
unsigned int chRejectCode;
|
|
bool corruptionPossible;
|
|
std::string strDebugMessage;
|
|
public:
|
|
CValidationState() : mode(MODE_VALID), nDoS(0), chRejectCode(0), corruptionPossible(false) {}
|
|
bool DoS(int level, bool ret = false,
|
|
unsigned int chRejectCodeIn=0, const std::string &strRejectReasonIn="",
|
|
bool corruptionIn=false,
|
|
const std::string &strDebugMessageIn="") {
|
|
chRejectCode = chRejectCodeIn;
|
|
strRejectReason = strRejectReasonIn;
|
|
corruptionPossible = corruptionIn;
|
|
strDebugMessage = strDebugMessageIn;
|
|
if (mode == MODE_ERROR)
|
|
return ret;
|
|
nDoS += level;
|
|
mode = MODE_INVALID;
|
|
return ret;
|
|
}
|
|
bool Invalid(bool ret = false,
|
|
unsigned int _chRejectCode=0, const std::string &_strRejectReason="",
|
|
const std::string &_strDebugMessage="") {
|
|
return DoS(0, ret, _chRejectCode, _strRejectReason, false, _strDebugMessage);
|
|
}
|
|
bool Error(const std::string& strRejectReasonIn) {
|
|
if (mode == MODE_VALID)
|
|
strRejectReason = strRejectReasonIn;
|
|
mode = MODE_ERROR;
|
|
return false;
|
|
}
|
|
bool IsValid() const {
|
|
return mode == MODE_VALID;
|
|
}
|
|
bool IsInvalid() const {
|
|
return mode == MODE_INVALID;
|
|
}
|
|
bool IsError() const {
|
|
return mode == MODE_ERROR;
|
|
}
|
|
bool IsInvalid(int &nDoSOut) const {
|
|
if (IsInvalid()) {
|
|
nDoSOut = nDoS;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
bool CorruptionPossible() const {
|
|
return corruptionPossible;
|
|
}
|
|
void SetCorruptionPossible() {
|
|
corruptionPossible = true;
|
|
}
|
|
unsigned int GetRejectCode() const { return chRejectCode; }
|
|
std::string GetRejectReason() const { return strRejectReason; }
|
|
std::string GetDebugMessage() const { return strDebugMessage; }
|
|
};
|
|
|
|
#endif // BITCOIN_CONSENSUS_VALIDATION_H
|