diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/chain.h | 5 | ||||
-rw-r--r-- | src/main.cpp | 8 | ||||
-rw-r--r-- | src/miner.cpp | 10 | ||||
-rw-r--r-- | src/miner.h | 2 | ||||
-rw-r--r-- | src/pow.cpp | 16 | ||||
-rw-r--r-- | src/pow.h | 5 |
6 files changed, 20 insertions, 26 deletions
diff --git a/src/chain.h b/src/chain.h index f99fd113b7..c01240665d 100644 --- a/src/chain.h +++ b/src/chain.h @@ -220,11 +220,6 @@ public: return (int64_t)nTime; } - uint256 GetBlockWork() const - { - return GetProofIncrement(nBits); - } - enum { nMedianTimeSpan=11 }; int64_t GetMedianTimePast() const diff --git a/src/main.cpp b/src/main.cpp index ac5d42d5fc..17fa765e8f 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -1226,7 +1226,7 @@ void CheckForkWarningConditions() if (pindexBestForkTip && chainActive.Height() - pindexBestForkTip->nHeight >= 72) pindexBestForkTip = NULL; - if (pindexBestForkTip || (pindexBestInvalid && pindexBestInvalid->nChainWork > chainActive.Tip()->nChainWork + (chainActive.Tip()->GetBlockWork() * 6))) + if (pindexBestForkTip || (pindexBestInvalid && pindexBestInvalid->nChainWork > chainActive.Tip()->nChainWork + (GetBlockProof(*chainActive.Tip()) * 6))) { if (!fLargeWorkForkFound) { @@ -1277,7 +1277,7 @@ void CheckForkWarningConditionsOnNewFork(CBlockIndex* pindexNewForkTip) // We define it this way because it allows us to only store the highest fork tip (+ base) which meets // the 7-block condition and from this always have the most-likely-to-cause-warning fork if (pfork && (!pindexBestForkTip || (pindexBestForkTip && pindexNewForkTip->nHeight > pindexBestForkTip->nHeight)) && - pindexNewForkTip->nChainWork - pfork->nChainWork > (pfork->GetBlockWork() * 7) && + pindexNewForkTip->nChainWork - pfork->nChainWork > (GetBlockProof(*pfork) * 7) && chainActive.Height() - pindexNewForkTip->nHeight < 72) { pindexBestForkTip = pindexNewForkTip; @@ -2118,7 +2118,7 @@ CBlockIndex* AddToBlockIndex(const CBlockHeader& block) pindexNew->nHeight = pindexNew->pprev->nHeight + 1; pindexNew->BuildSkip(); } - pindexNew->nChainWork = (pindexNew->pprev ? pindexNew->pprev->nChainWork : 0) + pindexNew->GetBlockWork(); + pindexNew->nChainWork = (pindexNew->pprev ? pindexNew->pprev->nChainWork : 0) + GetBlockProof(*pindexNew); pindexNew->RaiseValidity(BLOCK_VALID_TREE); if (pindexBestHeader == NULL || pindexBestHeader->nChainWork < pindexNew->nChainWork) pindexBestHeader = pindexNew; @@ -2816,7 +2816,7 @@ bool static LoadBlockIndexDB() BOOST_FOREACH(const PAIRTYPE(int, CBlockIndex*)& item, vSortedByHeight) { CBlockIndex* pindex = item.second; - pindex->nChainWork = (pindex->pprev ? pindex->pprev->nChainWork : 0) + pindex->GetBlockWork(); + pindex->nChainWork = (pindex->pprev ? pindex->pprev->nChainWork : 0) + GetBlockProof(*pindex); if (pindex->nStatus & BLOCK_HAVE_DATA) { if (pindex->pprev) { if (pindex->pprev->nChainTx) { diff --git a/src/miner.cpp b/src/miner.cpp index b5bfa9c7be..7c3f885410 100644 --- a/src/miner.cpp +++ b/src/miner.cpp @@ -12,6 +12,7 @@ #include "main.h" #include "net.h" #include "pow.h" +#include "timedata.h" #include "util.h" #include "utilmoneystr.h" #ifdef ENABLE_WALLET @@ -78,6 +79,15 @@ public: } }; +void UpdateTime(CBlockHeader* pblock, const CBlockIndex* pindexPrev) +{ + pblock->nTime = std::max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime()); + + // Updating time can change work required on testnet: + if (Params().AllowMinDifficultyBlocks()) + pblock->nBits = GetNextWorkRequired(pindexPrev, pblock); +} + CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn) { // Create new block diff --git a/src/miner.h b/src/miner.h index 1fa499dc5b..aede0e6d4b 100644 --- a/src/miner.h +++ b/src/miner.h @@ -9,6 +9,7 @@ #include <stdint.h> class CBlock; +class CBlockHeader; class CBlockIndex; class CReserveKey; class CScript; @@ -25,6 +26,7 @@ CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey); void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce); /** Check mined block */ bool CheckWork(CBlock* pblock, CWallet& wallet, CReserveKey& reservekey); +void UpdateTime(CBlockHeader* block, const CBlockIndex* pindexPrev); extern double dHashesPerSec; extern int64_t nHPSTimerStart; diff --git a/src/pow.cpp b/src/pow.cpp index af7fc488ef..e07e7ff770 100644 --- a/src/pow.cpp +++ b/src/pow.cpp @@ -5,10 +5,9 @@ #include "pow.h" +#include "chain.h" #include "chainparams.h" #include "core/block.h" -#include "main.h" -#include "timedata.h" #include "uint256.h" #include "util.h" @@ -98,21 +97,12 @@ bool CheckProofOfWork(uint256 hash, unsigned int nBits) return true; } -void UpdateTime(CBlockHeader* pblock, const CBlockIndex* pindexPrev) -{ - pblock->nTime = std::max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime()); - - // Updating time can change work required on testnet: - if (Params().AllowMinDifficultyBlocks()) - pblock->nBits = GetNextWorkRequired(pindexPrev, pblock); -} - -uint256 GetProofIncrement(unsigned int nBits) +uint256 GetBlockProof(const CBlockIndex& block) { uint256 bnTarget; bool fNegative; bool fOverflow; - bnTarget.SetCompact(nBits, &fNegative, &fOverflow); + bnTarget.SetCompact(block.nBits, &fNegative, &fOverflow); if (fNegative || fOverflow || bnTarget == 0) return 0; // We need to compute 2**256 / (bnTarget+1), but we can't represent 2**256 @@ -16,9 +16,6 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead /** Check whether a block hash satisfies the proof-of-work requirement specified by nBits */ bool CheckProofOfWork(uint256 hash, unsigned int nBits); - -void UpdateTime(CBlockHeader* block, const CBlockIndex* pindexPrev); - -uint256 GetProofIncrement(unsigned int nBits); +uint256 GetBlockProof(const CBlockIndex& block); #endif // BITCOIN_POW_H |