X-Git-Url: https://git.novaco.in/?p=novacoin.git;a=blobdiff_plain;f=src%2Fcheckpoints.h;h=a2b9731e0a62d8a0e2eb73c3fbc6456ed2a2ef50;hp=3fc62c7aab237e6cb2937520c07703dd6464df7f;hb=a0bfbd64a8dc93eb87a452843f76dbb9dec9f30b;hpb=3992565dea412ae2a4c48af89b84a1dd02387f0b diff --git a/src/checkpoints.h b/src/checkpoints.h index 3fc62c7..a2b9731 100644 --- a/src/checkpoints.h +++ b/src/checkpoints.h @@ -1,20 +1,74 @@ -// Copyright (c) 2011 The Bitcoin developers -// Copyright (c) 2011-2012 The PPCoin developers +// Copyright (c) 2009-2012 The Bitcoin developers // Distributed under the MIT/X11 software license, see the accompanying -// file license.txt or http://www.opensource.org/licenses/mit-license.php. +// file COPYING or http://www.opensource.org/licenses/mit-license.php. #ifndef BITCOIN_CHECKPOINT_H #define BITCOIN_CHECKPOINT_H #include #include "util.h" +#include "net.h" -// ppcoin: auto checkpoint min at 8 hours; max at 16 hours -#define AUTO_CHECKPOINT_MIN_SPAN (60 * 60 * 8) -#define AUTO_CHECKPOINT_MAX_SPAN (60 * 60 * 16) -#define AUTO_CHECKPOINT_TRUST_SPAN (60 * 60 * 24) +// max 1 hour before latest block +static const int64_t CHECKPOINT_MAX_SPAN = nOneHour; + +#ifdef WIN32 +#undef STRICT +#undef PERMISSIVE +#undef ADVISORY +#endif class uint256; class CBlockIndex; +class CSyncCheckpoint; + +/** Block-chain checkpoints are compiled-in sanity checks. + * They are updated every release or three. + */ +namespace Checkpoints +{ + /** Checkpointing mode */ + enum CPMode + { + // Scrict checkpoints policy, perform conflicts verification and resolve conflicts + STRICT = 0, + // Advisory checkpoints policy, perform conflicts verification but don't try to resolve them + ADVISORY = 1, + // Permissive checkpoints policy, don't perform any checking + PERMISSIVE = 2 + }; + + // Returns true if block passes checkpoint checks + bool CheckHardened(int nHeight, const uint256& hash); + + // Returns true if block passes banlist checks + bool CheckBanned(const uint256 &nHash); + + // Return conservative estimate of total number of blocks, 0 if unknown + int GetTotalBlocksEstimate(); + + // Returns last CBlockIndex* in mapBlockIndex that is a checkpoint + CBlockIndex* GetLastCheckpoint(const std::map& mapBlockIndex); + + // Returns last checkpoint timestamp + unsigned int GetLastCheckpointTime(); + + extern uint256 hashSyncCheckpoint; + extern CSyncCheckpoint checkpointMessage; + extern uint256 hashInvalidCheckpoint; + extern CCriticalSection cs_hashSyncCheckpoint; + + CBlockIndex* GetLastSyncCheckpoint(); + bool WriteSyncCheckpoint(const uint256& hashCheckpoint); + bool AcceptPendingSyncCheckpoint(); + uint256 AutoSelectSyncCheckpoint(); + bool CheckSync(const uint256& hashBlock, const CBlockIndex* pindexPrev); + bool WantedByPendingSyncCheckpoint(uint256 hashBlock); + bool ResetSyncCheckpoint(); + void AskForPendingSyncCheckpoint(CNode* pfrom); + bool SetCheckpointPrivKey(std::string strPrivKey); + bool SendSyncCheckpoint(uint256 hashCheckpoint); + bool IsMatureSyncCheckpoint(); +} // ppcoin: synchronized checkpoint class CUnsignedSyncCheckpoint @@ -46,17 +100,13 @@ public: nVersion, hashCheckpoint.ToString().c_str()); } - - void print() const - { - printf("%s", ToString().c_str()); - } }; class CSyncCheckpoint : public CUnsignedSyncCheckpoint { public: static const std::string strMasterPubKey; + static std::string strMasterPrivKey; std::vector vchMsg; std::vector vchSig; @@ -105,40 +155,4 @@ public: bool ProcessSyncCheckpoint(CNode* pfrom); }; -// -// Block-chain checkpoints are compiled-in sanity checks. -// They are updated every release or three. -// -namespace Checkpoints -{ - // Returns true if block passes checkpoint checks - bool CheckHardened(int nHeight, const uint256& hash); - - // Return conservative estimate of total number of blocks, 0 if unknown - int GetTotalBlocksEstimate(); - - // Returns last CBlockIndex* in mapBlockIndex that is a checkpoint - CBlockIndex* GetLastCheckpoint(const std::map& mapBlockIndex); - - extern uint256 hashSyncCheckpoint; - extern CSyncCheckpoint checkpointMessage; - extern uint256 hashInvalidCheckpoint; - extern CCriticalSection cs_hashSyncCheckpoint; - - bool AcceptPendingSyncCheckpoint(); - uint256 AutoSelectSyncCheckpoint(); - bool CheckSync(const uint256& hashBlock, const CBlockIndex* pindexPrev); - bool IsPendingSyncCheckpoint(uint256 hashBlock); - - // ppcoin: automatic checkpoint - extern int nAutoCheckpoint; - extern int nBranchPoint; - - bool CheckAuto(const CBlockIndex *pindex); - int GetNextChainCheckpoint(const CBlockIndex *pindex); - int GetNextAutoCheckpoint(int nCheckpoint); - void AdvanceAutoCheckpoint(int nCheckpoint); - bool ResetAutoCheckpoint(int nCheckpoint); -} - #endif