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Introduce separate 'generate' RPC call

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This commit is contained in:
Pieter Wuille
2015-03-31 20:28:28 -07:00
parent 0df67f1f7a
commit 6b04508e37
25 changed files with 162 additions and 142 deletions
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86
src/miner.cpp
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@@ -372,8 +372,7 @@ bool static ScanHash(CBlockHeader *pblock, uint256 *phash)
{
while (true) {
pblock->nNonce++;
*phash = (CHashWriter(SER_GETHASH, 0) << *pblock).GetHash();
*phash = pblock->GetHash();
// Return the nonce if the hash has at least some zero bits,
// caller will check if it has enough to reach the target
@@ -425,6 +424,56 @@ static bool ProcessBlockFound(CBlock* pblock, CWallet& wallet, CReserveKey& rese
return true;
}
bool static ScanLoop(CBlock *pblock, CBlockIndex *pindexPrev, CWallet *pwallet, CReserveKey& reservekey)
{
UpdateTime(pblock, pindexPrev);
arith_uint256 hashTarget = arith_uint256().SetCompact(pblock->nBits);
uint256 hash;
if (ScanHash(pblock, &hash)) {
if (UintToArith256(hash) <= hashTarget) {
// Found a solution
SetThreadPriority(THREAD_PRIORITY_NORMAL);
LogPrintf("BitcoinMiner:\n");
LogPrintf("proof-of-work found \n hash: %s \ntarget: %s\n", hash.GetHex(), hashTarget.GetHex());
ProcessBlockFound(pblock, *pwallet, reservekey);
SetThreadPriority(THREAD_PRIORITY_LOWEST);
return true;
}
}
return false;
}
bool MineBlock(CWallet *pwallet, uint256& hash)
{
CReserveKey reservekey(pwallet);
unsigned int nExtraNonce = 0;
while (true) {
CBlockIndex *pindexPrev = chainActive.Tip(); // Actually needs cs_main...
auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey(reservekey));
if (!pblocktemplate.get()) {
return false;
}
CBlock *pblock = &pblocktemplate->block;
IncrementExtraNonce(pblock, pindexPrev, nExtraNonce);
while (true) {
if (ScanLoop(pblock, pindexPrev, pwallet, reservekey)) {
hash = pblock->GetHash();
return true;
}
boost::this_thread::interruption_point();
if (pblock->nNonce >= 0xffff0000)
break;
}
}
}
void static BitcoinMiner(CWallet *pwallet)
{
LogPrintf("BitcoinMiner started\n");
@@ -448,7 +497,7 @@ void static BitcoinMiner(CWallet *pwallet)
// Create new block
//
unsigned int nTransactionsUpdatedLast = mempool.GetTransactionsUpdated();
CBlockIndex* pindexPrev = chainActive.Tip();
CBlockIndex* pindexPrev = chainActive.Tip(); // Actually needs cs_main...
auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlockWithKey(reservekey));
if (!pblocktemplate.get())
@@ -466,30 +515,10 @@ void static BitcoinMiner(CWallet *pwallet)
// Search
//
int64_t nStart = GetTime();
arith_uint256 hashTarget = arith_uint256().SetCompact(pblock->nBits);
uint256 hash;
while (true) {
// Check if something found
if (ScanHash(pblock, &hash))
{
if (UintToArith256(hash) <= hashTarget)
{
// Found a solution
assert(hash == pblock->GetHash());
SetThreadPriority(THREAD_PRIORITY_NORMAL);
LogPrintf("BitcoinMiner:\n");
LogPrintf("proof-of-work found \n hash: %s \ntarget: %s\n", hash.GetHex(), hashTarget.GetHex());
ProcessBlockFound(pblock, *pwallet, reservekey);
SetThreadPriority(THREAD_PRIORITY_LOWEST);
// In regression test mode, stop mining after a block is found.
if (Params().MineBlocksOnDemand())
throw boost::thread_interrupted();
break;
}
}
if (ScanLoop(pblock, pindexPrev, pwallet, reservekey))
break;
// Check for stop or if block needs to be rebuilt
boost::this_thread::interruption_point();
@@ -503,13 +532,6 @@ void static BitcoinMiner(CWallet *pwallet)
if (pindexPrev != chainActive.Tip())
break;
// Update nTime every few seconds
UpdateTime(pblock, pindexPrev);
if (Params().AllowMinDifficultyBlocks())
{
// Changing pblock->nTime can change work required on testnet:
hashTarget.SetCompact(pblock->nBits);
}
}
}
}