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Fix issue #848 : broken mining on testnet

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This commit is contained in:
Gavin Andresen 2012-02-16 10:22:31 -05:00
parent b7c25e0c13
commit 0f8cb5db73
3 changed files with 21 additions and 4 deletions
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4
src/bitcoinrpc.cpp
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@ -1816,7 +1816,7 @@ Value getwork(const Array& params, bool fHelp)
} }
// Update nTime // Update nTime
pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime()); pblock->UpdateTime(pindexPrev);
pblock->nNonce = 0; pblock->nNonce = 0;
// Update nExtraNonce // Update nExtraNonce
@ -1916,7 +1916,7 @@ Value getmemorypool(const Array& params, bool fHelp)
} }
// Update nTime // Update nTime
pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime()); pblock->UpdateTime(pindexPrev);
pblock->nNonce = 0; pblock->nNonce = 0;
Array transactions; Array transactions;

20
src/main.cpp
View file

@ -922,6 +922,15 @@ void static InvalidChainFound(CBlockIndex* pindexNew)
printf("InvalidChainFound: WARNING: Displayed transactions may not be correct! You may need to upgrade, or other nodes may need to upgrade.\n"); printf("InvalidChainFound: WARNING: Displayed transactions may not be correct! You may need to upgrade, or other nodes may need to upgrade.\n");
} }
void CBlock::UpdateTime(const CBlockIndex* pindexPrev)
{
nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
// Updating time can change work required on testnet:
if (fTestNet)
nBits = GetNextWorkRequired(pindexPrev, this);
}
@ -3168,7 +3177,7 @@ CBlock* CreateNewBlock(CReserveKey& reservekey)
// Fill in header // Fill in header
pblock->hashPrevBlock = pindexPrev->GetBlockHash(); pblock->hashPrevBlock = pindexPrev->GetBlockHash();
pblock->hashMerkleRoot = pblock->BuildMerkleTree(); pblock->hashMerkleRoot = pblock->BuildMerkleTree();
pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime()); pblock->UpdateTime(pindexPrev);
pblock->nBits = GetNextWorkRequired(pindexPrev, pblock.get()); pblock->nBits = GetNextWorkRequired(pindexPrev, pblock.get());
pblock->nNonce = 0; pblock->nNonce = 0;
@ -3326,6 +3335,7 @@ void static BitcoinMiner(CWallet *pwallet)
FormatHashBuffers(pblock.get(), pmidstate, pdata, phash1); FormatHashBuffers(pblock.get(), pmidstate, pdata, phash1);
unsigned int& nBlockTime = *(unsigned int*)(pdata + 64 + 4); unsigned int& nBlockTime = *(unsigned int*)(pdata + 64 + 4);
unsigned int& nBlockBits = *(unsigned int*)(pdata + 64 + 8);
unsigned int& nBlockNonce = *(unsigned int*)(pdata + 64 + 12); unsigned int& nBlockNonce = *(unsigned int*)(pdata + 64 + 12);
@ -3413,8 +3423,14 @@ void static BitcoinMiner(CWallet *pwallet)
break; break;
// Update nTime every few seconds // Update nTime every few seconds
pblock->nTime = max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime()); pblock->UpdateTime(pindexPrev);
nBlockTime = ByteReverse(pblock->nTime); nBlockTime = ByteReverse(pblock->nTime);
if (fTestNet)
{
// Changing pblock->nTime can change work required on testnet:
nBlockBits = ByteReverse(pblock->nBits);
hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
}
} }
} }
} }

1
src/main.h
View file

@ -913,6 +913,7 @@ public:
return (int64)nTime; return (int64)nTime;
} }
void UpdateTime(const CBlockIndex* pindexPrev);
uint256 BuildMerkleTree() const uint256 BuildMerkleTree() const