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miner: indentation fixes, remove for (;;)

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- change a for (;;) into while (true), as we nowhere else use the first
- init nNonceFound to 0
- fix indentation in BitcoinMiner try/catch block
This commit is contained in:
Philip Kaufmann 2014-05-10 14:47:16 +02:00
parent 8f59251b83
commit 0655fac0b1
1 changed files with 105 additions and 102 deletions
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21
src/miner.cpp
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@ -49,7 +49,6 @@ public:
} }
}; };
uint64_t nLastBlockTx = 0; uint64_t nLastBlockTx = 0;
uint64_t nLastBlockSize = 0; uint64_t nLastBlockSize = 0;
@ -58,8 +57,10 @@ typedef boost::tuple<double, CFeeRate, const CTransaction*> TxPriority;
class TxPriorityCompare class TxPriorityCompare
{ {
bool byFee; bool byFee;
public: public:
TxPriorityCompare(bool _byFee) : byFee(_byFee) { } TxPriorityCompare(bool _byFee) : byFee(_byFee) { }
bool operator()(const TxPriority& a, const TxPriority& b) bool operator()(const TxPriority& a, const TxPriority& b)
{ {
if (byFee) if (byFee)
@ -114,6 +115,7 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
// Collect memory pool transactions into the block // Collect memory pool transactions into the block
int64_t nFees = 0; int64_t nFees = 0;
{ {
LOCK2(cs_main, mempool.cs); LOCK2(cs_main, mempool.cs);
CBlockIndex* pindexPrev = chainActive.Tip(); CBlockIndex* pindexPrev = chainActive.Tip();
@ -334,7 +336,6 @@ void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int&
pblock->hashMerkleRoot = pblock->BuildMerkleTree(); pblock->hashMerkleRoot = pblock->BuildMerkleTree();
} }
#ifdef ENABLE_WALLET #ifdef ENABLE_WALLET
////////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////////
// //
@ -349,7 +350,8 @@ int64_t nHPSTimerStart = 0;
// nonce is 0xffff0000 or above, the block is rebuilt and nNonce starts over at // nonce is 0xffff0000 or above, the block is rebuilt and nNonce starts over at
// zero. // zero.
// //
bool static ScanHash(const CBlockHeader *pblock, uint32_t& nNonce, uint256 *phash) { bool static ScanHash(const CBlockHeader *pblock, uint32_t& nNonce, uint256 *phash)
{
// Write the first 76 bytes of the block header to a double-SHA256 state. // Write the first 76 bytes of the block header to a double-SHA256 state.
CHash256 hasher; CHash256 hasher;
CDataStream ss(SER_NETWORK, PROTOCOL_VERSION); CDataStream ss(SER_NETWORK, PROTOCOL_VERSION);
@ -357,7 +359,7 @@ bool static ScanHash(const CBlockHeader *pblock, uint32_t& nNonce, uint256 *phas
assert(ss.size() == 80); assert(ss.size() == 80);
hasher.Write((unsigned char*)&ss[0], 76); hasher.Write((unsigned char*)&ss[0], 76);
for (;;) { while (true) {
nNonce++; nNonce++;
// Write the last 4 bytes of the block header (the nonce) to a copy of // Write the last 4 bytes of the block header (the nonce) to a copy of
@ -435,7 +437,8 @@ void static BitcoinMiner(CWallet *pwallet)
CReserveKey reservekey(pwallet); CReserveKey reservekey(pwallet);
unsigned int nExtraNonce = 0; unsigned int nExtraNonce = 0;
try { while (true) { try {
while (true) {
if (Params().MiningRequiresPeers()) { if (Params().MiningRequiresPeers()) {
// Busy-wait for the network to come online so we don't waste time mining // Busy-wait for the network to come online so we don't waste time mining
// on an obsolete chain. In regtest mode we expect to fly solo. // on an obsolete chain. In regtest mode we expect to fly solo.
@ -466,8 +469,7 @@ void static BitcoinMiner(CWallet *pwallet)
uint256 hash; uint256 hash;
uint32_t nNonce = 0; uint32_t nNonce = 0;
uint32_t nOldNonce = 0; uint32_t nOldNonce = 0;
while (true) while (true) {
{
bool fFound = ScanHash(pblock, nNonce, &hash); bool fFound = ScanHash(pblock, nNonce, &hash);
uint32_t nHashesDone = nNonce - nOldNonce; uint32_t nHashesDone = nNonce - nOldNonce;
nOldNonce = nNonce; nOldNonce = nNonce;
@ -542,7 +544,8 @@ void static BitcoinMiner(CWallet *pwallet)
hashTarget.SetCompact(pblock->nBits); hashTarget.SetCompact(pblock->nBits);
} }
} }
} } }
}
catch (boost::thread_interrupted) catch (boost::thread_interrupted)
{ {
LogPrintf("BitcoinMiner terminated\n"); LogPrintf("BitcoinMiner terminated\n");
@ -577,4 +580,4 @@ void GenerateBitcoins(bool fGenerate, CWallet* pwallet, int nThreads)
minerThreads->create_thread(boost::bind(&BitcoinMiner, pwallet)); minerThreads->create_thread(boost::bind(&BitcoinMiner, pwallet));
} }
#endif #endif // ENABLE_WALLET