Remove internal miner

This code removes the internal miner which is only useful on Testnet.
This leaves the internal miner that is useful on RegTest intact.
This commit is contained in:
Leviathn 2016-02-10 18:29:13 -08:00
parent 2f3f4af4cc
commit 8d1de43f0c
7 changed files with 0 additions and 288 deletions

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@ -194,7 +194,6 @@ void Shutdown()
if (pwalletMain) if (pwalletMain)
pwalletMain->Flush(false); pwalletMain->Flush(false);
#endif #endif
GenerateBitcoins(false, 0, Params());
StopNode(); StopNode();
StopTorControl(); StopTorControl();
UnregisterNodeSignals(GetNodeSignals()); UnregisterNodeSignals(GetNodeSignals());
@ -453,8 +452,6 @@ std::string HelpMessage(HelpMessageMode mode)
_("If <category> is not supplied or if <category> = 1, output all debugging information.") + _("<category> can be:") + " " + debugCategories + "."); _("If <category> is not supplied or if <category> = 1, output all debugging information.") + _("<category> can be:") + " " + debugCategories + ".");
if (showDebug) if (showDebug)
strUsage += HelpMessageOpt("-nodebug", "Turn off debugging messages, same as -debug=0"); strUsage += HelpMessageOpt("-nodebug", "Turn off debugging messages, same as -debug=0");
strUsage += HelpMessageOpt("-gen", strprintf(_("Generate coins (default: %u)"), DEFAULT_GENERATE));
strUsage += HelpMessageOpt("-genproclimit=<n>", strprintf(_("Set the number of threads for coin generation if enabled (-1 = all cores, default: %d)"), DEFAULT_GENERATE_THREADS));
strUsage += HelpMessageOpt("-help-debug", _("Show all debugging options (usage: --help -help-debug)")); strUsage += HelpMessageOpt("-help-debug", _("Show all debugging options (usage: --help -help-debug)"));
strUsage += HelpMessageOpt("-logips", strprintf(_("Include IP addresses in debug output (default: %u)"), DEFAULT_LOGIPS)); strUsage += HelpMessageOpt("-logips", strprintf(_("Include IP addresses in debug output (default: %u)"), DEFAULT_LOGIPS));
strUsage += HelpMessageOpt("-logtimestamps", strprintf(_("Prepend debug output with timestamp (default: %u)"), DEFAULT_LOGTIMESTAMPS)); strUsage += HelpMessageOpt("-logtimestamps", strprintf(_("Prepend debug output with timestamp (default: %u)"), DEFAULT_LOGTIMESTAMPS));
@ -1670,9 +1667,6 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
boost::ref(cs_main), boost::cref(pindexBestHeader), nPowTargetSpacing); boost::ref(cs_main), boost::cref(pindexBestHeader), nPowTargetSpacing);
scheduler.scheduleEvery(f, nPowTargetSpacing); scheduler.scheduleEvery(f, nPowTargetSpacing);
// Generate coins in the background
GenerateBitcoins(GetBoolArg("-gen", DEFAULT_GENERATE), GetArg("-genproclimit", DEFAULT_GENERATE_THREADS), chainparams);
// ********************************************************* Step 12: finished // ********************************************************* Step 12: finished
SetRPCWarmupFinished(); SetRPCWarmupFinished();

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@ -315,206 +315,3 @@ void IncrementExtraNonce(CBlock* pblock, const CBlockIndex* pindexPrev, unsigned
pblock->vtx[0] = txCoinbase; pblock->vtx[0] = txCoinbase;
pblock->hashMerkleRoot = BlockMerkleRoot(*pblock); pblock->hashMerkleRoot = BlockMerkleRoot(*pblock);
} }
//////////////////////////////////////////////////////////////////////////////
//
// Internal miner
//
//
// ScanHash scans nonces looking for a hash with at least some zero bits.
// The nonce is usually preserved between calls, but periodically or if the
// nonce is 0xffff0000 or above, the block is rebuilt and nNonce starts over at
// zero.
//
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.
CHash256 hasher;
CDataStream ss(SER_NETWORK, PROTOCOL_VERSION);
ss << *pblock;
assert(ss.size() == 80);
hasher.Write((unsigned char*)&ss[0], 76);
while (true) {
nNonce++;
// Write the last 4 bytes of the block header (the nonce) to a copy of
// the double-SHA256 state, and compute the result.
CHash256(hasher).Write((unsigned char*)&nNonce, 4).Finalize((unsigned char*)phash);
// Return the nonce if the hash has at least some zero bits,
// caller will check if it has enough to reach the target
if (((uint16_t*)phash)[15] == 0)
return true;
// If nothing found after trying for a while, return -1
if ((nNonce & 0xfff) == 0)
return false;
}
}
static bool ProcessBlockFound(const CBlock* pblock, const CChainParams& chainparams)
{
LogPrintf("%s\n", pblock->ToString());
LogPrintf("generated %s\n", FormatMoney(pblock->vtx[0].vout[0].nValue));
// Found a solution
{
LOCK(cs_main);
if (pblock->hashPrevBlock != chainActive.Tip()->GetBlockHash())
return error("BitcoinMiner: generated block is stale");
}
// Inform about the new block
GetMainSignals().BlockFound(pblock->GetHash());
// Process this block the same as if we had received it from another node
CValidationState state;
if (!ProcessNewBlock(state, chainparams, NULL, pblock, true, NULL))
return error("BitcoinMiner: ProcessNewBlock, block not accepted");
return true;
}
void static BitcoinMiner(const CChainParams& chainparams)
{
LogPrintf("BitcoinMiner started\n");
SetThreadPriority(THREAD_PRIORITY_LOWEST);
RenameThread("bitcoin-miner");
unsigned int nExtraNonce = 0;
boost::shared_ptr<CReserveScript> coinbaseScript;
GetMainSignals().ScriptForMining(coinbaseScript);
try {
// Throw an error if no script was provided. This can happen
// due to some internal error but also if the keypool is empty.
// In the latter case, already the pointer is NULL.
if (!coinbaseScript || coinbaseScript->reserveScript.empty())
throw std::runtime_error("No coinbase script available (mining requires a wallet)");
while (true) {
if (chainparams.MiningRequiresPeers()) {
// 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.
do {
bool fvNodesEmpty;
{
LOCK(cs_vNodes);
fvNodesEmpty = vNodes.empty();
}
if (!fvNodesEmpty && !IsInitialBlockDownload())
break;
MilliSleep(1000);
} while (true);
}
//
// Create new block
//
unsigned int nTransactionsUpdatedLast = mempool.GetTransactionsUpdated();
CBlockIndex* pindexPrev = chainActive.Tip();
auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlock(chainparams, coinbaseScript->reserveScript));
if (!pblocktemplate.get())
{
LogPrintf("Error in BitcoinMiner: Keypool ran out, please call keypoolrefill before restarting the mining thread\n");
return;
}
CBlock *pblock = &pblocktemplate->block;
IncrementExtraNonce(pblock, pindexPrev, nExtraNonce);
LogPrintf("Running BitcoinMiner with %u transactions in block (%u bytes)\n", pblock->vtx.size(),
::GetSerializeSize(*pblock, SER_NETWORK, PROTOCOL_VERSION));
//
// Search
//
int64_t nStart = GetTime();
arith_uint256 hashTarget = arith_uint256().SetCompact(pblock->nBits);
uint256 hash;
uint32_t nNonce = 0;
while (true) {
// Check if something found
if (ScanHash(pblock, nNonce, &hash))
{
if (UintToArith256(hash) <= hashTarget)
{
// Found a solution
pblock->nNonce = nNonce;
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, chainparams);
SetThreadPriority(THREAD_PRIORITY_LOWEST);
coinbaseScript->KeepScript();
// In regression test mode, stop mining after a block is found.
if (chainparams.MineBlocksOnDemand())
throw boost::thread_interrupted();
break;
}
}
// Check for stop or if block needs to be rebuilt
boost::this_thread::interruption_point();
// Regtest mode doesn't require peers
if (vNodes.empty() && chainparams.MiningRequiresPeers())
break;
if (nNonce >= 0xffff0000)
break;
if (mempool.GetTransactionsUpdated() != nTransactionsUpdatedLast && GetTime() - nStart > 60)
break;
if (pindexPrev != chainActive.Tip())
break;
// Update nTime every few seconds
if (UpdateTime(pblock, chainparams.GetConsensus(), pindexPrev) < 0)
break; // Recreate the block if the clock has run backwards,
// so that we can use the correct time.
if (chainparams.GetConsensus().fPowAllowMinDifficultyBlocks)
{
// Changing pblock->nTime can change work required on testnet:
hashTarget.SetCompact(pblock->nBits);
}
}
}
}
catch (const boost::thread_interrupted&)
{
LogPrintf("BitcoinMiner terminated\n");
throw;
}
catch (const std::runtime_error &e)
{
LogPrintf("BitcoinMiner runtime error: %s\n", e.what());
return;
}
}
void GenerateBitcoins(bool fGenerate, int nThreads, const CChainParams& chainparams)
{
static boost::thread_group* minerThreads = NULL;
if (nThreads < 0)
nThreads = GetNumCores();
if (minerThreads != NULL)
{
minerThreads->interrupt_all();
delete minerThreads;
minerThreads = NULL;
}
if (nThreads == 0 || !fGenerate)
return;
minerThreads = new boost::thread_group();
for (int i = 0; i < nThreads; i++)
minerThreads->create_thread(boost::bind(&BitcoinMiner, boost::cref(chainparams)));
}

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@ -17,9 +17,6 @@ class CScript;
class CWallet; class CWallet;
namespace Consensus { struct Params; }; namespace Consensus { struct Params; };
static const bool DEFAULT_GENERATE = false;
static const int DEFAULT_GENERATE_THREADS = 1;
static const bool DEFAULT_PRINTPRIORITY = false; static const bool DEFAULT_PRINTPRIORITY = false;
struct CBlockTemplate struct CBlockTemplate
@ -29,8 +26,6 @@ struct CBlockTemplate
std::vector<int64_t> vTxSigOps; std::vector<int64_t> vTxSigOps;
}; };
/** Run the miner threads */
void GenerateBitcoins(bool fGenerate, int nThreads, const CChainParams& chainparams);
/** Generate a new block, without valid proof-of-work */ /** Generate a new block, without valid proof-of-work */
CBlockTemplate* CreateNewBlock(const CChainParams& chainparams, const CScript& scriptPubKeyIn); CBlockTemplate* CreateNewBlock(const CChainParams& chainparams, const CScript& scriptPubKeyIn);
/** Modify the extranonce in a block */ /** Modify the extranonce in a block */

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@ -27,8 +27,6 @@ static const CRPCConvertParam vRPCConvertParams[] =
{ "stop", 0 }, { "stop", 0 },
{ "setmocktime", 0 }, { "setmocktime", 0 },
{ "getaddednodeinfo", 0 }, { "getaddednodeinfo", 0 },
{ "setgenerate", 0 },
{ "setgenerate", 1 },
{ "generate", 0 }, { "generate", 0 },
{ "getnetworkhashps", 0 }, { "getnetworkhashps", 0 },
{ "getnetworkhashps", 1 }, { "getnetworkhashps", 1 },
@ -160,4 +158,3 @@ UniValue RPCConvertValues(const std::string &strMethod, const std::vector<std::s
return params; return params;
} }

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@ -93,25 +93,6 @@ UniValue getnetworkhashps(const UniValue& params, bool fHelp)
return GetNetworkHashPS(params.size() > 0 ? params[0].get_int() : 120, params.size() > 1 ? params[1].get_int() : -1); return GetNetworkHashPS(params.size() > 0 ? params[0].get_int() : 120, params.size() > 1 ? params[1].get_int() : -1);
} }
UniValue getgenerate(const UniValue& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"getgenerate\n"
"\nReturn if the server is set to generate coins or not. The default is false.\n"
"It is set with the command line argument -gen (or " + std::string(BITCOIN_CONF_FILENAME) + " setting gen)\n"
"It can also be set with the setgenerate call.\n"
"\nResult\n"
"true|false (boolean) If the server is set to generate coins or not\n"
"\nExamples:\n"
+ HelpExampleCli("getgenerate", "")
+ HelpExampleRpc("getgenerate", "")
);
LOCK(cs_main);
return GetBoolArg("-gen", DEFAULT_GENERATE);
}
UniValue generate(const UniValue& params, bool fHelp) UniValue generate(const UniValue& params, bool fHelp)
{ {
if (fHelp || params.size() < 1 || params.size() > 1) if (fHelp || params.size() < 1 || params.size() > 1)
@ -182,50 +163,6 @@ UniValue generate(const UniValue& params, bool fHelp)
return blockHashes; return blockHashes;
} }
UniValue setgenerate(const UniValue& params, bool fHelp)
{
if (fHelp || params.size() < 1 || params.size() > 2)
throw runtime_error(
"setgenerate generate ( genproclimit )\n"
"\nSet 'generate' true or false to turn generation on or off.\n"
"Generation is limited to 'genproclimit' processors, -1 is unlimited.\n"
"See the getgenerate call for the current setting.\n"
"\nArguments:\n"
"1. generate (boolean, required) Set to true to turn on generation, off to turn off.\n"
"2. genproclimit (numeric, optional) Set the processor limit for when generation is on. Can be -1 for unlimited.\n"
"\nExamples:\n"
"\nSet the generation on with a limit of one processor\n"
+ HelpExampleCli("setgenerate", "true 1") +
"\nCheck the setting\n"
+ HelpExampleCli("getgenerate", "") +
"\nTurn off generation\n"
+ HelpExampleCli("setgenerate", "false") +
"\nUsing json rpc\n"
+ HelpExampleRpc("setgenerate", "true, 1")
);
if (Params().MineBlocksOnDemand())
throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Use the generate method instead of setgenerate on this network");
bool fGenerate = true;
if (params.size() > 0)
fGenerate = params[0].get_bool();
int nGenProcLimit = GetArg("-genproclimit", DEFAULT_GENERATE_THREADS);
if (params.size() > 1)
{
nGenProcLimit = params[1].get_int();
if (nGenProcLimit == 0)
fGenerate = false;
}
mapArgs["-gen"] = (fGenerate ? "1" : "0");
mapArgs ["-genproclimit"] = itostr(nGenProcLimit);
GenerateBitcoins(fGenerate, nGenProcLimit, Params());
return NullUniValue;
}
UniValue getmininginfo(const UniValue& params, bool fHelp) UniValue getmininginfo(const UniValue& params, bool fHelp)
{ {
if (fHelp || params.size() != 0) if (fHelp || params.size() != 0)
@ -239,8 +176,6 @@ UniValue getmininginfo(const UniValue& params, bool fHelp)
" \"currentblocktx\": nnn, (numeric) The last block transaction\n" " \"currentblocktx\": nnn, (numeric) The last block transaction\n"
" \"difficulty\": xxx.xxxxx (numeric) The current difficulty\n" " \"difficulty\": xxx.xxxxx (numeric) The current difficulty\n"
" \"errors\": \"...\" (string) Current errors\n" " \"errors\": \"...\" (string) Current errors\n"
" \"generate\": true|false (boolean) If the generation is on or off (see getgenerate or setgenerate calls)\n"
" \"genproclimit\": n (numeric) The processor limit for generation. -1 if no generation. (see getgenerate or setgenerate calls)\n"
" \"pooledtx\": n (numeric) The size of the mem pool\n" " \"pooledtx\": n (numeric) The size of the mem pool\n"
" \"testnet\": true|false (boolean) If using testnet or not\n" " \"testnet\": true|false (boolean) If using testnet or not\n"
" \"chain\": \"xxxx\", (string) current network name as defined in BIP70 (main, test, regtest)\n" " \"chain\": \"xxxx\", (string) current network name as defined in BIP70 (main, test, regtest)\n"
@ -259,12 +194,10 @@ UniValue getmininginfo(const UniValue& params, bool fHelp)
obj.push_back(Pair("currentblocktx", (uint64_t)nLastBlockTx)); obj.push_back(Pair("currentblocktx", (uint64_t)nLastBlockTx));
obj.push_back(Pair("difficulty", (double)GetDifficulty())); obj.push_back(Pair("difficulty", (double)GetDifficulty()));
obj.push_back(Pair("errors", GetWarnings("statusbar"))); obj.push_back(Pair("errors", GetWarnings("statusbar")));
obj.push_back(Pair("genproclimit", (int)GetArg("-genproclimit", DEFAULT_GENERATE_THREADS)));
obj.push_back(Pair("networkhashps", getnetworkhashps(params, false))); obj.push_back(Pair("networkhashps", getnetworkhashps(params, false)));
obj.push_back(Pair("pooledtx", (uint64_t)mempool.size())); obj.push_back(Pair("pooledtx", (uint64_t)mempool.size()));
obj.push_back(Pair("testnet", Params().TestnetToBeDeprecatedFieldRPC())); obj.push_back(Pair("testnet", Params().TestnetToBeDeprecatedFieldRPC()));
obj.push_back(Pair("chain", Params().NetworkIDString())); obj.push_back(Pair("chain", Params().NetworkIDString()));
obj.push_back(Pair("generate", getgenerate(params, false)));
return obj; return obj;
} }

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@ -298,8 +298,6 @@ static const CRPCCommand vRPCCommands[] =
{ "mining", "submitblock", &submitblock, true }, { "mining", "submitblock", &submitblock, true },
/* Coin generation */ /* Coin generation */
{ "generating", "getgenerate", &getgenerate, true },
{ "generating", "setgenerate", &setgenerate, true },
{ "generating", "generate", &generate, true }, { "generating", "generate", &generate, true },
/* Raw transactions */ /* Raw transactions */

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@ -186,8 +186,6 @@ extern UniValue setban(const UniValue& params, bool fHelp);
extern UniValue listbanned(const UniValue& params, bool fHelp); extern UniValue listbanned(const UniValue& params, bool fHelp);
extern UniValue clearbanned(const UniValue& params, bool fHelp); extern UniValue clearbanned(const UniValue& params, bool fHelp);
extern UniValue getgenerate(const UniValue& params, bool fHelp); // in rpc/mining.cpp
extern UniValue setgenerate(const UniValue& params, bool fHelp);
extern UniValue generate(const UniValue& params, bool fHelp); extern UniValue generate(const UniValue& params, bool fHelp);
extern UniValue getnetworkhashps(const UniValue& params, bool fHelp); extern UniValue getnetworkhashps(const UniValue& params, bool fHelp);
extern UniValue getmininginfo(const UniValue& params, bool fHelp); extern UniValue getmininginfo(const UniValue& params, bool fHelp);