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rpcmining.cpp
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// Copyright (c) 2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "main.h"
#include "db.h"
#include "init.h"
#include "bitcoinrpc.h"
#include "checkpoints.h"
#include "global_objects_noui.hpp"
using namespace json_spirit;
using namespace std;
#ifdef WIN32
#include "io.h"
#else
#include <sys/io.h>
#endif
//CCriticalSection cs_main;
static boost::thread_group* postThreads = NULL;
extern bool SubmitGridcoinCPUWork(CBlock* pblock,CReserveKey& reservekey);
extern CBlock* getwork_cpu(MiningCPID miningcpid, bool& succeeded,CReserveKey& reservekey);
double Round(double d, int place);
double DoubleFromAmount(int64 amount);
extern MiningCPID GetGPUMiningCPID();
extern void StartPostOnBackgroundThread(int height, MiningCPID miningcpid, uint256 hashmerkleroot, double nNonce, double subsidy, unsigned int nVersion, std::string message);
volatile bool bCPIDsLoaded;
bool OutOfSyncByAge();
std::string AppCache(std::string key);
std::string SerializeBoincBlock(std::string cpid, std::string projectname, std::string AESSkein, double RAC,
double PoBDifficulty, unsigned int diffbytes, std::string enccpid, std::string encaes, double nonce);
bool CheckProofOfBoinc(CBlock* pblock, bool bOKToBeInChain, bool Connecting = false);
bool CheckWorkCPU(CBlock* pblock, CWallet& wallet, CReserveKey& reservekey);
MiningCPID DeserializeBoincBlock(std::string block);
extern CBlockTemplate* getblocktemplate_cpu(MiningCPID miningcpid);
void PoBGPUMiner(CBlock* pblock, MiningCPID& miningcpid);
bool TestGridcoinWork(std::string sWork);
void GetNextProject();
int miningthreadcount;
std::string GetPoolKey(std::string sMiningProject,double dMiningRAC,std::string ENCBoincpublickey,std::string xcpid, std::string messagetype,
uint256 blockhash, double subsidy, double nonce, int height, int blocktype);
void GetNextGPUProject(bool force);
double GetPoBDifficulty();
bool IsCPIDValid(std::string cpid, std::string ENCboincpubkey);
void FindMultiAlgorithmSolution(CBlock* pblock, uint256 hash, uint256 hashTarget, double miningrac);
static CReserveKey* pMiningKey = NULL;
void InitRPCMining()
{
if (!pwalletMain) return;
// getwork/getblocktemplate mining rewards paid here:
pMiningKey = new CReserveKey(pwalletMain);
}
void ShutdownRPCMining()
{
if (!pMiningKey) return;
delete pMiningKey; pMiningKey = NULL;
}
// Return average network hashes per second based on the last 'lookup' blocks,
// or from the last difficulty change if 'lookup' is nonpositive.
// If 'height' is nonnegative, compute the estimate at the time when a given block was found.
Value GetNetworkHashPS(int lookup, int height) {
CBlockIndex *pb = pindexBest;
if (height >= 0 && height < nBestHeight)
pb = FindBlockByHeight(height);
if (pb == NULL || !pb->nHeight)
return 0;
// If lookup is -1, then use blocks since last difficulty change.
if (lookup <= 0)
lookup = pb->nHeight % 2016 + 1;
// If lookup is larger than chain, then set it to chain length.
if (lookup > pb->nHeight)
lookup = pb->nHeight;
CBlockIndex *pb0 = pb;
int64 minTime = pb0->GetBlockTime();
int64 maxTime = minTime;
for (int i = 0; i < lookup; i++) {
pb0 = pb0->pprev;
int64 time = pb0->GetBlockTime();
minTime = std::min(time, minTime);
maxTime = std::max(time, maxTime);
}
// In case there's a situation where minTime == maxTime, we don't want a divide by zero exception.
if (minTime == maxTime)
return 0;
uint256 workDiff = pb->nChainWork - pb0->nChainWork;
int64 timeDiff = maxTime - minTime;
return (boost::int64_t)(workDiff.getdouble() / timeDiff);
}
Value getnetworkhashps(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 2)
throw runtime_error(
"getnetworkhashps [blocks] [height]\n"
"Returns the estimated network hashes per second based on the last 120 blocks.\n"
"Pass in [blocks] to override # of blocks, -1 specifies since last difficulty change.\n"
"Pass in [height] to estimate the network speed at the time when a certain block was found.");
return GetNetworkHashPS(params.size() > 0 ? params[0].get_int() : 120, params.size() > 1 ? params[1].get_int() : -1);
}
Value gethashespersec(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"gethashespersec\n"
"Returns a recent hashes per second performance measurement while generating.");
if (GetTimeMillis() - nHPSTimerStart > 8000)
return (boost::int64_t)0;
return (boost::int64_t)dHashesPerSec;
}
Value getmininginfo(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"getmininginfo\n"
"Returns an object containing mining-related information.");
Object obj;
obj.push_back(Pair("blocks", (int)nBestHeight));
obj.push_back(Pair("currentblocksize",(uint64_t)nLastBlockSize));
obj.push_back(Pair("currentblocktx",(uint64_t)nLastBlockTx));
obj.push_back(Pair("difficulty", (double)GetDifficulty()));
obj.push_back(Pair("errors", GetWarnings("statusbar")));
obj.push_back(Pair("networkhashps", getnetworkhashps(params, false)));
obj.push_back(Pair("pooledtx", (uint64_t)mempool.size()));
obj.push_back(Pair("Pool Mining", bPoolMiningMode));
obj.push_back(Pair("Testnet", fTestNet));
obj.push_back(Pair("Difficulty_PoB", (double)GetPoBDifficulty()));
obj.push_back(Pair("Errors", GetWarnings("statusbar")));
obj.push_back(Pair("PoB Mining Enabled", fGenerate));
obj.push_back(Pair("Active PoB Thread Count", miningthreadcount));
obj.push_back(Pair("Boinc Magnitude", Round(boincmagnitude,3)));
obj.push_back(Pair("PoB Thread Limit ", (int)GetArg("-threadlimit", -1)));
obj.push_back(Pair("PoB HashesPerSec", gethashespersec(params, false)));
obj.push_back(Pair("CPU Mining Project", msMiningProject));
obj.push_back(Pair("CPU Mining CPID", msMiningCPID));
obj.push_back(Pair("CPU Mining RAC", mdMiningRAC));
obj.push_back(Pair("CPU Mining Network RAC", mdMiningNetworkRAC));
obj.push_back(Pair("GPU Mining Project", msGPUMiningProject));
obj.push_back(Pair("GPU Mining CPID", msGPUMiningCPID));
obj.push_back(Pair("GPU Mining RAC", mdGPUMiningRAC));
obj.push_back(Pair("GPU Mining Network RAC", mdGPUMiningNetworkRAC));
obj.push_back(Pair("PoB Mining Errors", msMiningErrors));
return obj;
}
std::vector<std::string> &split(const std::string &s, char delim, std::vector<std::string> &elems) {
std::stringstream ss(s);
std::string item;
while (std::getline(ss, item, delim)) {
elems.push_back(item);
}
return elems;
}
std::vector<std::string> split(const std::string &s, char delim) {
std::vector<std::string> elems;
split(s, delim, elems);
return elems;
}
Value getworkex(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 2)
throw runtime_error(
"getworkex [data, coinbase]\n"
"If [data, coinbase] is not specified, returns extended work data.\n"
);
if (vNodes.empty())
throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Gridcoin is not connected!");
if (Checkpoints::IsInitialBlockDownload())
throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "Gridcoin is downloading blocks...");
typedef map<uint256, pair<CBlock*, CScript> > mapNewBlock_t;
static mapNewBlock_t mapNewBlock; // FIXME: thread safety
static vector<CBlockTemplate*> vNewBlockTemplate;
static CReserveKey reservekey(pwalletMain);
if (params.size() == 0)
{
// Update block
static unsigned int nTransactionsUpdatedLast;
static CBlockIndex* pindexPrev;
static int64 nStart;
static CBlockTemplate* pblocktemplate;
if (pindexPrev != pindexBest ||
(nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 60))
{
if (pindexPrev != pindexBest)
{
// Deallocate old blocks since they're obsolete now
mapNewBlock.clear();
BOOST_FOREACH(CBlockTemplate* pblocktemplate, vNewBlockTemplate)
delete pblocktemplate;
vNewBlockTemplate.clear();
}
// Clear pindexPrev so future getworks make a new block, despite any failures from here on
pindexPrev = NULL;
// Store the pindexBest used before Cre-ateNewBlock, to avoid races
nTransactionsUpdatedLast = nTransactionsUpdated;
CBlockIndex* pindexPrevNew = pindexBest;
nStart = GetTime();
// Create new block
MiningCPID miningcpid = GetGPUMiningCPID();
pblocktemplate = CreateNewBlockWithKey(reservekey,2,miningcpid);
if (!pblocktemplate)
throw JSONRPCError(RPC_OUT_OF_MEMORY, "Out of memory");
vNewBlockTemplate.push_back(pblocktemplate);
// Need to update only after we know Crea-teNewBlock succeeded
pindexPrev = pindexPrevNew;
}
CBlock* pblock = &pblocktemplate->block; // pointer for convenience
// Update nTime
pblock->UpdateTime(pindexPrev);
pblock->nNonce = 0;
// Update nExtraNonce
static unsigned int nExtraNonce = 0;
IncrementExtraNonce(pblock, pindexPrev, nExtraNonce);
// Save
mapNewBlock[pblock->hashMerkleRoot] = make_pair(pblock, pblock->vtx[0].vin[0].scriptSig);
// Pre-build hash buffers
char pmidstate[32];
char pdata[128];
char phash1[64];
FormatHashBuffers(pblock, pmidstate, pdata, phash1);
uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
CTransaction coinbaseTx = pblock->vtx[0];
std::vector<uint256> merkle = pblock->GetMerkleBranch(0);
Object result;
result.push_back(Pair("data", HexStr(BEGIN(pdata), END(pdata))));
result.push_back(Pair("target", HexStr(BEGIN(hashTarget), END(hashTarget))));
CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
ssTx << coinbaseTx;
result.push_back(Pair("coinbase", HexStr(ssTx.begin(), ssTx.end())));
Array merkle_arr;
BOOST_FOREACH(uint256 merkleh, merkle) {
printf("%s\n", merkleh.ToString().c_str());
merkle_arr.push_back(HexStr(BEGIN(merkleh), END(merkleh)));
}
result.push_back(Pair("merkle", merkle_arr));
// printf("Created new block Gridcoin with getworkex");
return result;
}
else
{
// Parse parameters
vector<unsigned char> vchData = ParseHex(params[0].get_str());
vector<unsigned char> coinbase;
if(params.size() == 2)
coinbase = ParseHex(params[1].get_str());
if (vchData.size() != 128)
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter");
CBlock* pdata = (CBlock*)&vchData[0];
// Byte reverse
for (int i = 0; i < 128/4; i++)
((unsigned int*)pdata)[i] = ByteReverse(((unsigned int*)pdata)[i]);
// Get saved block
if (!mapNewBlock.count(pdata->hashMerkleRoot))
return false;
CBlock* pblock = mapNewBlock[pdata->hashMerkleRoot].first;
pblock->nTime = pdata->nTime;
pblock->nNonce = pdata->nNonce;
if(coinbase.size() == 0)
pblock->vtx[0].vin[0].scriptSig = mapNewBlock[pdata->hashMerkleRoot].second;
else
CDataStream(coinbase, SER_NETWORK, PROTOCOL_VERSION) >> pblock->vtx[0];
pblock->hashMerkleRoot = pblock->BuildMerkleTree();
printf("End of getworkEx Gridcoin");
bool status = CheckWork(pblock, *pwalletMain, reservekey);
return status;
}
}
void PostOnBackgroundThread(int height,MiningCPID miningcpid, uint256 hashmerkleroot, double nNonce, double subsidy, unsigned int nVersion, std::string message)
{
//Solved or AUTHENTICATE
std::string result = GetPoolKey(miningcpid.projectname,miningcpid.rac,miningcpid.encboincpublickey,miningcpid.cpid,message,
hashmerkleroot,subsidy,nNonce,height,nVersion);
printf("Posting block type %u to pool: Result %s\r\n",nVersion,result.c_str());
}
void StartPostOnBackgroundThread(int height, MiningCPID miningcpid, uint256 hashmerkleroot, double nNonce, double subsidy, unsigned int nVersion, std::string message)
{
if (!bPoolMiningMode) return;
postThreads = new boost::thread_group();
postThreads->create_thread(boost::bind(&PostOnBackgroundThread,height,miningcpid,hashmerkleroot,nNonce,subsidy,nVersion,message));
}
//Standard Getwork - Gridcoin - 7-12-2014
Value getwork(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 2)
throw runtime_error(
"getwork [data]\n"
"If [data] is not specified, returns formatted hash data to work on:\n"
" \"midstate\" : precomputed hash state after hashing the first half of the data (DEPRECATED)\n" // deprecated
" \"data\" : block data\n"
" \"hash1\" : formatted hash buffer for second hash (DEPRECATED)\n" // deprecated
" \"target\" : little endian hash target\n"
"If [data] is specified, tries to solve the block and returns true if it was successful.");
if (vNodes.empty())
throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Gridcoin is not connected!");
double POB = GetPoBDifficulty();
//R Halford: 6-7-2014 : Prevent GPU mining during initial sync:
if (Checkpoints::IsInitialBlockDownload() || !bCPIDsLoaded || (POB==99 && !fTestNet))
{
MilliSleep(1000);
throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "Gridcoin is downloading blocks...");
}
typedef map<uint256, pair<CBlock*, CScript> > mapNewBlock_t;
static mapNewBlock_t mapNewBlock; // FIXME: thread safety
static vector<CBlockTemplate*> vNewBlockTemplate;
//Pool Mining
bool bPoolMiner = false;
if (mapArgs["-poolmining"] == "true") bPoolMiner=true;
MiningCPID miningcpid = GetGPUMiningCPID();
if (params.size() == 0)
{
// Update block
static unsigned int nTransactionsUpdatedLast;
static CBlockIndex* pindexPrev;
static int64 nStart;
static CBlockTemplate* pblocktemplate;
if (pindexPrev != pindexBest ||
(nTransactionsUpdated != nTransactionsUpdatedLast && GetAdjustedTime() - nStart > 60))
{
if (pindexPrev != pindexBest)
{
// Deallocate old blocks since they're obsolete now
mapNewBlock.clear();
BOOST_FOREACH(CBlockTemplate* pblocktemplate, vNewBlockTemplate)
delete pblocktemplate;
vNewBlockTemplate.clear();
}
// Clear pindexPrev so future getworks make a new block, despite any failures from here on
pindexPrev = NULL;
// Store the pindexBest used before Create-NewBlock, to avoid races
nTransactionsUpdatedLast = nTransactionsUpdated;
CBlockIndex* pindexPrevNew = pindexBest;
nStart = GetAdjustedTime();
// Create new block
pblocktemplate = CreateNewBlockWithKey(*pMiningKey,2,miningcpid);
if (!pblocktemplate)
throw JSONRPCError(RPC_OUT_OF_MEMORY, "Out of memory");
vNewBlockTemplate.push_back(pblocktemplate);
// Need to update only after we know Create-NewBlock succeeded
pindexPrev = pindexPrevNew;
}
CBlock* pblock = &pblocktemplate->block; // pointer for convenience
// Update nTime
pblock->UpdateTime(pindexPrev);
pblock->nNonce = 0;
// Update nExtraNonce
static unsigned int nExtraNonce = 0;
IncrementExtraNonce(pblock, pindexPrev, nExtraNonce);
// Save
mapNewBlock[pblock->hashMerkleRoot] = make_pair(pblock, pblock->vtx[0].vin[0].scriptSig);
if (bPoolMiner)
{
StartPostOnBackgroundThread(nBestHeight,miningcpid,0,pblock->nNonce,0,2,"AUTHENTICATE");
}
// Pre-build hash buffers
char pmidstate[32];
char pdata[128];
char phash1[64];
FormatHashBuffers(pblock, pmidstate, pdata, phash1);
uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
Object result;
result.push_back(Pair("midstate", HexStr(BEGIN(pmidstate), END(pmidstate)))); // deprecated
result.push_back(Pair("data", HexStr(BEGIN(pdata), END(pdata))));
result.push_back(Pair("hash1", HexStr(BEGIN(phash1), END(phash1)))); // deprecated
result.push_back(Pair("target", HexStr(BEGIN(hashTarget), END(hashTarget))));
return result;
}
else
{
// Parse parameters
vector<unsigned char> vchData = ParseHex(params[0].get_str());
if (vchData.size() != 128)
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter");
std::string boinc_data="";
if (params.size() > 1)
{
boinc_data = params[1].get_str();
}
printf("boinc_data %s",boinc_data.c_str());
CBlock* pdata = (CBlock*)&vchData[0];
// Byte reverse
for (int i = 0; i < 128/4; i++)
((unsigned int*)pdata)[i] = ByteReverse(((unsigned int*)pdata)[i]);
// Get saved block
if (!mapNewBlock.count(pdata->hashMerkleRoot))
return false;
CBlock* pblock = mapNewBlock[pdata->hashMerkleRoot].first;
//2-20-2014 Write proper boinchash (for pool forwarded boinc hashes):
if (true)
{
std::string pool_op = GetArg("-pooloperator", "false");
if (pool_op=="true")
{
//std::string newboinc = pblock->hashBoinc + "," + boinc_data;
}
}
pblock->nTime = pdata->nTime;
pblock->nNonce = pdata->nNonce;
pblock->vtx[0].vin[0].scriptSig = mapNewBlock[pdata->hashMerkleRoot].second;
pblock->hashMerkleRoot = pblock->BuildMerkleTree();
assert(pwalletMain != NULL);
// Solve the PoB and add AES 2 byte puzzle:
printf("{CreateNewBlock_GPU}");
std::string CBH = hashBestChain.ToString();
//Fill in the hashBoinc: (But first, grab the original mining cpid):
MiningCPID miningcpid = DeserializeBoincBlock(pblock->hashBoinc);
printf("1GPU Deserialized boinc hash %s\r\n",pblock->hashBoinc.c_str());
PoBGPUMiner(pblock, miningcpid);
printf("2GPU Deserialized boinc hash %s\r\n",pblock->hashBoinc.c_str());
//Check CPID here:
bool cpidOK = IsCPIDValid(miningcpid.cpid,miningcpid.encboincpublickey);
if (!cpidOK)
{
printf("\r\n GPU1: During submission of GPU block, CPID is invalid. %s : %s",miningcpid.cpid.c_str(),miningcpid.encboincpublickey.c_str());
return false;
}
bool checkblockresult = CheckProofOfBoinc(pblock,false);
if (!checkblockresult)
{
printf("PoB GPU Miner failed to submit block: check proof of boinc failure.\r\n");
return checkblockresult;
}
else
{
printf("GPU solved PoB\r\n");
}
if (boinc_data.length() > 50)
{
pblock->hashBoinc=boinc_data;
}
bool status = CheckWork(pblock, *pwalletMain, *pMiningKey);
if (status)
{
//If Pool Mining, notify the pool this user did indeed solve the block:
bool bPoolMiner = false;
if (mapArgs["-poolmining"] == "true") bPoolMiner=true;
if (bPoolMiner && AppCache("PoolPubKey").length() > 1)
{
//POOL MINING - GPU
printf("Ready to Post GPU block to pool\r\n");
double subsidy = DoubleFromAmount(pblock->vtx[0].vout[0].nValue);
int height = nBestHeight;
StartPostOnBackgroundThread(height,miningcpid,pblock->hashMerkleRoot,pblock->nNonce,subsidy,
pblock->nVersion,"SOLVED");
}
GetNextGPUProject(false);
}
return status;
}
}
CBlock* getwork_cpu(MiningCPID miningcpid, bool& succeeded,CReserveKey& reservekey)
{
static CBlock* pblock;
try
{
if (vNodes.empty())
{
printf("Getwork_CPU:Gridcoin is not connected!");
succeeded = false;
return pblock;
}
if (Checkpoints::IsInitialBlockDownload() || !bCPIDsLoaded || miningcpid.projectname.length() < 3 || miningcpid.cpid.length() < 3 || miningcpid.encboincpublickey.length() < 3)
{
printf("Getwork_CPU:Gridcoin is downloading blocks...");
succeeded=false;
return pblock;
}
typedef map<uint256, pair<CBlock*, CScript> > mapNewBlock2_t;
static mapNewBlock2_t mapNewBlock2;
static vector<CBlockTemplate*> vNewBlockTemplate2;
// Update block
static unsigned int nTransactionsUpdatedLast;
static CBlockIndex* pindexPrev;
static int64 nStart;
static CBlockTemplate* pblocktemplate;
if (pindexPrev != pindexBest || (nTransactionsUpdated != nTransactionsUpdatedLast && GetAdjustedTime() - nStart > 60))
{
if (pindexPrev != pindexBest)
{
// Deallocate old blocks since they're obsolete now
mapNewBlock2.clear();
BOOST_FOREACH(CBlockTemplate* pblocktemplate, vNewBlockTemplate2)
delete pblocktemplate;
vNewBlockTemplate2.clear();
}
// Clear pindexPrev so future getworks make a new block, despite any failures from here on
pindexPrev = NULL;
// Store the pindexBest used before Cre-ateNewBlock, to avoid races
nTransactionsUpdatedLast = nTransactionsUpdated;
CBlockIndex* pindexPrevNew = pindexBest;
nStart = GetTime();
// Create new block
printf(".r1.");
pblocktemplate = CreateNewBlockWithKey(reservekey,3,miningcpid);
printf(".r2.");
if (!pblocktemplate)
{
printf("GetCPUBlock::Out of memory");
succeeded=false;
return pblock;
}
printf("5..");
vNewBlockTemplate2.push_back(pblocktemplate);
// Need to update only after we know Create-NewBlock succeeded
pindexPrev = pindexPrevNew;
}
printf("6..");
pblock = &pblocktemplate->block; // pointer for convenience
// Update nTime
pblock->UpdateTime(pindexPrev);
pblock->nNonce = 0;
// Update nExtraNonce
static unsigned int nExtraNonce = 0;
IncrementExtraNonce(pblock, pindexPrev, nExtraNonce);
// Save
mapNewBlock2[pblock->hashMerkleRoot] = make_pair(pblock, pblock->vtx[0].vin[0].scriptSig);
// Pre-build hash buffers
char pmidstate[32];
char pdata[128];
char phash1[64];
FormatHashBuffers(pblock, pmidstate, pdata, phash1);
printf("created new CPU block in getwork_cpu");
succeeded=true;
return pblock;
}
catch (std::exception &e)
{
printf("Error while creating cpu block in rpc\r\n");
succeeded=false;
return pblock;
}
catch(...)
{
printf("Error while creating cpu block in rpc (06182014)\r\n");
succeeded=false;
return pblock;
}
return pblock;
}
bool SubmitGridcoinCPUWork(CBlock* pblock,CReserveKey& reservekey, double nonce)
{
std::string pool_op = GetArg("-pooloperator", "false");
// Solve the PoB
uint256 powhash = pblock->GetPoWHash();
printf("Submitting New CPU Block with merkleroot %s, powhash %s",
pblock->hashMerkleRoot.GetHex().c_str(),
powhash.GetHex().c_str());
bool checkblockresult = CheckProofOfBoinc(pblock,false);
if (!checkblockresult)
{
printf("PoB CPU Miner failed to submit block: check proof of boinc failure.\r\n");
return checkblockresult;
}
else
{
printf("CPU solved PoB\r\n");
}
printf("created new CPU block in getwork_cpu with update");
std::string CBH = hashBestChain.ToString();
bool status = CheckWorkCPU(pblock, *pwalletMain, reservekey);
if (status)
{
//4-10-2014, If Pool Mining, notify the pool this user did indeed solve the block:
bool bPoolMiner = false;
if (mapArgs["-poolmining"] == "true") bPoolMiner=true;
if (bPoolMiner && AppCache("PoolPubKey").length() > 1)
{
//POOL MINING - CPU MINER
double subsidy = DoubleFromAmount(pblock->vtx[0].vout[0].nValue);
MiningCPID miningcpid = DeserializeBoincBlock(pblock->hashBoinc);
int height =nBestHeight;
StartPostOnBackgroundThread(height,miningcpid,pblock->hashMerkleRoot,pblock->nNonce,subsidy,pblock->nVersion,"SOLVED");
printf("Posting CPU block to pool");
}
}
return status;
}
MiningCPID GetGPUMiningCPID()
{
MiningCPID miningcpid;
miningcpid.projectname= msGPUMiningProject;
miningcpid.cpid = msGPUMiningCPID;
miningcpid.rac=mdGPUMiningRAC;
miningcpid.encboincpublickey = msGPUENCboincpublickey;
miningcpid.initialized = true;
return miningcpid;
}
Value getblocktemplate(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 1)
throw runtime_error(
"getblocktemplate [params]\n"
"Returns data needed to construct a block to work on:\n"
" \"version\" : block version\n"
" \"previousblockhash\" : hash of current highest block\n"
" \"transactions\" : contents of non-coinbase transactions that should be included in the next block\n"
" \"coinbaseaux\" : data that should be included in coinbase\n"
" \"coinbasevalue\" : maximum allowable input to coinbase transaction, including the generation award and transaction fees\n"
" \"target\" : hash target\n"
" \"mintime\" : minimum timestamp appropriate for next block\n"
" \"curtime\" : current timestamp\n"
" \"mutable\" : list of ways the block template may be changed\n"
" \"noncerange\" : range of valid nonces\n"
" \"sigoplimit\" : limit of sigops in blocks\n"
" \"sizelimit\" : limit of block size\n"
" \"bits\" : compressed target of next block\n"
" \"height\" : height of the next block\n"
"See https://en.bitcoin.it/wiki/BIP_0022 for full specification.");
std::string strMode = "template";
if (params.size() > 0)
{
const Object& oparam = params[0].get_obj();
const Value& modeval = find_value(oparam, "mode");
if (modeval.type() == str_type)
strMode = modeval.get_str();
else if (modeval.type() == null_type)
{
/* Do nothing */
}
else
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid mode");
}
if (strMode != "template")
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid mode");
if (vNodes.empty())
throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Gridcoin is not connected!");
if (!bCPIDsLoaded) {
printf("Getblocktemplate called, but no cpids are loaded yet...\r\n");
}
if (Checkpoints::IsInitialBlockDownload() || !bCPIDsLoaded )
throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "Gridcoin is downloading blocks...");
// Update block
static unsigned int nTransactionsUpdatedLast;
static CBlockIndex* pindexPrev;
static int64 nStart;
static CBlockTemplate* pblocktemplate;
printf("!!GETBlocktemplatecalled\r\n");
if (msGPUMiningProject=="")
{
printf("Calling for next gpu project...");
GetNextGPUProject(false);
}
if (msGPUMiningProject=="")
{
printf("Unable to GPU Mine: No project specified in getmininginfo (for GPU).\r\n");
throw JSONRPCError(RPC_INVALID_PARAMETER, "Unable to GPU Mine:No project specified");
}
if (!IsCPIDValid(msGPUMiningCPID,msGPUENCboincpublickey))
{
printf("Unable to GPU Mine: Invalid cpid in getmininginfo (for GPU) %s. \r\n", msGPUMiningCPID.c_str());
throw JSONRPCError(RPC_INVALID_PARAMETER, "No valid CPID given");
}
if (pindexPrev != pindexBest ||
(nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 5))
{
// Clear pindexPrev so future calls make a new block, despite any failures from here on
pindexPrev = NULL;
// Store the pindexBest used before Create-NewBlock, to avoid races
nTransactionsUpdatedLast = nTransactionsUpdated;
CBlockIndex* pindexPrevNew = pindexBest;
nStart = GetTime();
// Create new block
if(pblocktemplate)
{
delete pblocktemplate;
pblocktemplate = NULL;
}
MiningCPID miningcpid = GetGPUMiningCPID();
pblocktemplate = CreateNewBlockWithKey(*pMiningKey,2,miningcpid);
if (!pblocktemplate)
throw JSONRPCError(RPC_OUT_OF_MEMORY, "Out of memory");
// Need to update only after we know Create-NewBlock succeeded
pindexPrev = pindexPrevNew;
}
CBlock* pblock = &pblocktemplate->block; // pointer for convenience
// Update nTime
pblock->UpdateTime(pindexPrev);
pblock->nNonce = 0;
Array transactions;
map<uint256, int64_t> setTxIndex;
int i = 0;
BOOST_FOREACH (CTransaction& tx, pblock->vtx)
{
uint256 txHash = tx.GetHash();
setTxIndex[txHash] = i++;
if (tx.IsCoinBase())
continue;
Object entry;
CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
ssTx << tx;
entry.push_back(Pair("data", HexStr(ssTx.begin(), ssTx.end())));
entry.push_back(Pair("hash", txHash.GetHex()));
Array deps;
BOOST_FOREACH (const CTxIn &in, tx.vin)
{
if (setTxIndex.count(in.prevout.hash))
deps.push_back(setTxIndex[in.prevout.hash]);
}
entry.push_back(Pair("depends", deps));
int index_in_template = i - 1;
entry.push_back(Pair("fee", pblocktemplate->vTxFees[index_in_template]));
entry.push_back(Pair("sigops", pblocktemplate->vTxSigOps[index_in_template]));
transactions.push_back(entry);
}
Object aux;
aux.push_back(Pair("flags", HexStr(COINBASE_FLAGS.begin(), COINBASE_FLAGS.end())));
uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256();
static Array aMutable;
if (aMutable.empty())
{
aMutable.push_back("time");
aMutable.push_back("transactions");
aMutable.push_back("prevblock");
}
Object result;
result.push_back(Pair("version", pblock->nVersion));
result.push_back(Pair("previousblockhash", pblock->hashPrevBlock.GetHex()));
result.push_back(Pair("transactions", transactions));
result.push_back(Pair("coinbaseaux", aux));
result.push_back(Pair("coinbasevalue", (int64_t)pblock->vtx[0].vout[0].nValue));
result.push_back(Pair("target", hashTarget.GetHex()));
result.push_back(Pair("mintime", (int64_t)pindexPrev->GetMedianTimePast()+1));
result.push_back(Pair("mutable", aMutable));
result.push_back(Pair("noncerange", "00000000ffffffff"));
result.push_back(Pair("sigoplimit", (int64_t)MAX_BLOCK_SIGOPS));
result.push_back(Pair("sizelimit", (int64_t)MAX_BLOCK_SIZE));
result.push_back(Pair("curtime", (int64_t)pblock->nTime));
result.push_back(Pair("bits", HexBits(pblock->nBits)));
result.push_back(Pair("height", (int64_t)(pindexPrev->nHeight+1)));
return result;