Mercurial > hg > bitcoin
changeset 944:7309d19d9ef3 draft
Merge pull request #505 from gavinandresen/unique_coinbase
Unique coinbase: Fixes #482
author | Gavin Andresen <gavinandresen@gmail.com> |
---|---|
date | Fri, 09 Sep 2011 06:34:37 -0700 |
parents | 189ccb63b08b (current diff) 4f02348aa51e (diff) |
children | a61c5e76b6a0 c66b6dd0f6ec |
files | |
diffstat | 3 files changed, 14 insertions(+), 15 deletions(-) [+] |
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line diff
--- a/src/main.cpp +++ b/src/main.cpp @@ -2798,16 +2798,17 @@ } -void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce, int64& nPrevTime) +void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce) { // Update nExtraNonce - int64 nNow = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime()); - if (++nExtraNonce >= 0x7f && nNow > nPrevTime+1) + static uint256 hashPrevBlock; + if (hashPrevBlock != pblock->hashPrevBlock) { - nExtraNonce = 1; - nPrevTime = nNow; + nExtraNonce = 0; + hashPrevBlock = pblock->hashPrevBlock; } - pblock->vtx[0].vin[0].scriptSig = CScript() << pblock->nBits << CBigNum(nExtraNonce); + ++nExtraNonce; + pblock->vtx[0].vin[0].scriptSig = CScript() << pblock->nTime << CBigNum(nExtraNonce); pblock->hashMerkleRoot = pblock->BuildMerkleTree(); } @@ -2905,7 +2906,6 @@ // Each thread has its own key and counter CReserveKey reservekey(pwallet); unsigned int nExtraNonce = 0; - int64 nPrevTime = 0; while (fGenerateBitcoins) { @@ -2932,7 +2932,7 @@ auto_ptr<CBlock> pblock(CreateNewBlock(reservekey)); if (!pblock.get()) return; - IncrementExtraNonce(pblock.get(), pindexPrev, nExtraNonce, nPrevTime); + IncrementExtraNonce(pblock.get(), pindexPrev, nExtraNonce); printf("Running BitcoinMiner with %d transactions in block\n", pblock->vtx.size());
--- a/src/main.h +++ b/src/main.h @@ -94,7 +94,7 @@ bool SendMessages(CNode* pto, bool fSendTrickle); void GenerateBitcoins(bool fGenerate, CWallet* pwallet); CBlock* CreateNewBlock(CReserveKey& reservekey); -void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce, int64& nPrevTime); +void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce); void FormatHashBuffers(CBlock* pblock, char* pmidstate, char* pdata, char* phash1); bool CheckWork(CBlock* pblock, CWallet& wallet, CReserveKey& reservekey); bool CheckProofOfWork(uint256 hash, unsigned int nBits);
--- a/src/rpc.cpp +++ b/src/rpc.cpp @@ -1498,7 +1498,8 @@ if (IsInitialBlockDownload()) throw JSONRPCError(-10, "Bitcoin is downloading blocks..."); - static map<uint256, pair<CBlock*, unsigned int> > mapNewBlock; + typedef map<uint256, pair<CBlock*, CScript> > mapNewBlock_t; + static mapNewBlock_t mapNewBlock; static vector<CBlock*> vNewBlock; static CReserveKey reservekey(pwalletMain); @@ -1537,11 +1538,10 @@ // Update nExtraNonce static unsigned int nExtraNonce = 0; - static int64 nPrevTime = 0; - IncrementExtraNonce(pblock, pindexPrev, nExtraNonce, nPrevTime); + IncrementExtraNonce(pblock, pindexPrev, nExtraNonce); // Save - mapNewBlock[pblock->hashMerkleRoot] = make_pair(pblock, nExtraNonce); + mapNewBlock[pblock->hashMerkleRoot] = make_pair(pblock, pblock->vtx[0].vin[0].scriptSig); // Prebuild hash buffers char pmidstate[32]; @@ -1574,11 +1574,10 @@ if (!mapNewBlock.count(pdata->hashMerkleRoot)) return false; CBlock* pblock = mapNewBlock[pdata->hashMerkleRoot].first; - unsigned int nExtraNonce = mapNewBlock[pdata->hashMerkleRoot].second; pblock->nTime = pdata->nTime; pblock->nNonce = pdata->nNonce; - pblock->vtx[0].vin[0].scriptSig = CScript() << pblock->nBits << CBigNum(nExtraNonce); + pblock->vtx[0].vin[0].scriptSig = mapNewBlock[pdata->hashMerkleRoot].second; pblock->hashMerkleRoot = pblock->BuildMerkleTree(); return CheckWork(pblock, *pwalletMain, reservekey);