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85 lines
2.9 KiB
85 lines
2.9 KiB
// Copyright (c) 2009-2010 Satoshi Nakamoto |
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// Copyright (c) 2009-2014 The Bitcoin Core developers |
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// Distributed under the MIT software license, see the accompanying |
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// file COPYING or http://www.opensource.org/licenses/mit-license.php. |
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#ifndef BITCOIN_CONSENSUS_VALIDATION_H |
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#define BITCOIN_CONSENSUS_VALIDATION_H |
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#include <string> |
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/** "reject" message codes */ |
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static const unsigned char REJECT_MALFORMED = 0x01; |
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static const unsigned char REJECT_INVALID = 0x10; |
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static const unsigned char REJECT_OBSOLETE = 0x11; |
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static const unsigned char REJECT_DUPLICATE = 0x12; |
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static const unsigned char REJECT_NONSTANDARD = 0x40; |
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static const unsigned char REJECT_DUST = 0x41; |
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static const unsigned char REJECT_INSUFFICIENTFEE = 0x42; |
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static const unsigned char REJECT_CHECKPOINT = 0x43; |
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/** Capture information about block/transaction validation */ |
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class CValidationState { |
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private: |
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enum mode_state { |
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MODE_VALID, //! everything ok |
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MODE_INVALID, //! network rule violation (DoS value may be set) |
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MODE_ERROR, //! run-time error |
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} mode; |
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int nDoS; |
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std::string strRejectReason; |
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unsigned int chRejectCode; |
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bool corruptionPossible; |
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std::string strDebugMessage; |
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public: |
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CValidationState() : mode(MODE_VALID), nDoS(0), chRejectCode(0), corruptionPossible(false) {} |
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bool DoS(int level, bool ret = false, |
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unsigned int chRejectCodeIn=0, const std::string &strRejectReasonIn="", |
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bool corruptionIn=false, |
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const std::string &strDebugMessageIn="") { |
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chRejectCode = chRejectCodeIn; |
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strRejectReason = strRejectReasonIn; |
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corruptionPossible = corruptionIn; |
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strDebugMessage = strDebugMessageIn; |
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if (mode == MODE_ERROR) |
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return ret; |
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nDoS += level; |
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mode = MODE_INVALID; |
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return ret; |
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} |
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bool Invalid(bool ret = false, |
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unsigned int _chRejectCode=0, const std::string &_strRejectReason="", |
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const std::string &_strDebugMessage="") { |
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return DoS(0, ret, _chRejectCode, _strRejectReason, false, _strDebugMessage); |
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} |
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bool Error(const std::string& strRejectReasonIn) { |
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if (mode == MODE_VALID) |
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strRejectReason = strRejectReasonIn; |
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mode = MODE_ERROR; |
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return false; |
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} |
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bool IsValid() const { |
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return mode == MODE_VALID; |
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} |
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bool IsInvalid() const { |
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return mode == MODE_INVALID; |
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} |
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bool IsError() const { |
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return mode == MODE_ERROR; |
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} |
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bool IsInvalid(int &nDoSOut) const { |
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if (IsInvalid()) { |
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nDoSOut = nDoS; |
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return true; |
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} |
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return false; |
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} |
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bool CorruptionPossible() const { |
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return corruptionPossible; |
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} |
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unsigned int GetRejectCode() const { return chRejectCode; } |
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std::string GetRejectReason() const { return strRejectReason; } |
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std::string GetDebugMessage() const { return strDebugMessage; } |
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}; |
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#endif // BITCOIN_CONSENSUS_VALIDATION_H
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