Jeff Garzik
12 years ago
committed by
Jeff Garzik
7 changed files with 394 additions and 365 deletions
@ -0,0 +1,380 @@
@@ -0,0 +1,380 @@
|
||||
// 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" |
||||
|
||||
using namespace json_spirit; |
||||
using namespace std; |
||||
|
||||
extern double GetDifficulty(const CBlockIndex* blockindex = NULL); |
||||
extern std::string HexBits(unsigned int nBits); |
||||
|
||||
Value getgenerate(const Array& params, bool fHelp) |
||||
{ |
||||
if (fHelp || params.size() != 0) |
||||
throw runtime_error( |
||||
"getgenerate\n" |
||||
"Returns true or false."); |
||||
|
||||
return GetBoolArg("-gen"); |
||||
} |
||||
|
||||
|
||||
Value setgenerate(const Array& params, bool fHelp) |
||||
{ |
||||
if (fHelp || params.size() < 1 || params.size() > 2) |
||||
throw runtime_error( |
||||
"setgenerate <generate> [genproclimit]\n" |
||||
"<generate> is true or false to turn generation on or off.\n" |
||||
"Generation is limited to [genproclimit] processors, -1 is unlimited."); |
||||
|
||||
bool fGenerate = true; |
||||
if (params.size() > 0) |
||||
fGenerate = params[0].get_bool(); |
||||
|
||||
if (params.size() > 1) |
||||
{ |
||||
int nGenProcLimit = params[1].get_int(); |
||||
mapArgs["-genproclimit"] = itostr(nGenProcLimit); |
||||
if (nGenProcLimit == 0) |
||||
fGenerate = false; |
||||
} |
||||
mapArgs["-gen"] = (fGenerate ? "1" : "0"); |
||||
|
||||
GenerateBitcoins(fGenerate, pwalletMain); |
||||
return Value::null; |
||||
} |
||||
|
||||
|
||||
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("generate", GetBoolArg("-gen"))); |
||||
obj.push_back(Pair("genproclimit", (int)GetArg("-genproclimit", -1))); |
||||
obj.push_back(Pair("hashespersec", gethashespersec(params, false))); |
||||
obj.push_back(Pair("pooledtx", (uint64_t)mempool.size())); |
||||
obj.push_back(Pair("testnet", fTestNet)); |
||||
return obj; |
||||
} |
||||
|
||||
|
||||
Value getwork(const Array& params, bool fHelp) |
||||
{ |
||||
if (fHelp || params.size() > 1) |
||||
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(-9, "Bitcoin is not connected!"); |
||||
|
||||
if (IsInitialBlockDownload()) |
||||
throw JSONRPCError(-10, "Bitcoin is downloading blocks..."); |
||||
|
||||
typedef map<uint256, pair<CBlock*, CScript> > mapNewBlock_t; |
||||
static mapNewBlock_t mapNewBlock; // FIXME: thread safety
|
||||
static vector<CBlock*> vNewBlock; |
||||
static CReserveKey reservekey(pwalletMain); |
||||
|
||||
if (params.size() == 0) |
||||
{ |
||||
// Update block
|
||||
static unsigned int nTransactionsUpdatedLast; |
||||
static CBlockIndex* pindexPrev; |
||||
static int64 nStart; |
||||
static CBlock* pblock; |
||||
if (pindexPrev != pindexBest || |
||||
(nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 60)) |
||||
{ |
||||
if (pindexPrev != pindexBest) |
||||
{ |
||||
// Deallocate old blocks since they're obsolete now
|
||||
mapNewBlock.clear(); |
||||
BOOST_FOREACH(CBlock* pblock, vNewBlock) |
||||
delete pblock; |
||||
vNewBlock.clear(); |
||||
} |
||||
|
||||
// Clear pindexPrev so future getworks make a new block, despite any failures from here on
|
||||
pindexPrev = NULL; |
||||
|
||||
// Store the pindexBest used before CreateNewBlock, to avoid races
|
||||
nTransactionsUpdatedLast = nTransactionsUpdated; |
||||
CBlockIndex* pindexPrevNew = pindexBest; |
||||
nStart = GetTime(); |
||||
|
||||
// Create new block
|
||||
pblock = CreateNewBlock(reservekey); |
||||
if (!pblock) |
||||
throw JSONRPCError(-7, "Out of memory"); |
||||
vNewBlock.push_back(pblock); |
||||
|
||||
// Need to update only after we know CreateNewBlock succeeded
|
||||
pindexPrev = pindexPrevNew; |
||||
} |
||||
|
||||
// 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(); |
||||
|
||||
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(-8, "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; |
||||
pblock->vtx[0].vin[0].scriptSig = mapNewBlock[pdata->hashMerkleRoot].second; |
||||
pblock->hashMerkleRoot = pblock->BuildMerkleTree(); |
||||
|
||||
return CheckWork(pblock, *pwalletMain, reservekey); |
||||
} |
||||
} |
||||
|
||||
|
||||
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 |
||||
throw JSONRPCError(-8, "Invalid mode"); |
||||
} |
||||
|
||||
if (strMode != "template") |
||||
throw JSONRPCError(-8, "Invalid mode"); |
||||
|
||||
if (vNodes.empty()) |
||||
throw JSONRPCError(-9, "Bitcoin is not connected!"); |
||||
|
||||
if (IsInitialBlockDownload()) |
||||
throw JSONRPCError(-10, "Bitcoin is downloading blocks..."); |
||||
|
||||
static CReserveKey reservekey(pwalletMain); |
||||
|
||||
// Update block
|
||||
static unsigned int nTransactionsUpdatedLast; |
||||
static CBlockIndex* pindexPrev; |
||||
static int64 nStart; |
||||
static CBlock* pblock; |
||||
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 CreateNewBlock, to avoid races
|
||||
nTransactionsUpdatedLast = nTransactionsUpdated; |
||||
CBlockIndex* pindexPrevNew = pindexBest; |
||||
nStart = GetTime(); |
||||
|
||||
// Create new block
|
||||
if(pblock) |
||||
{ |
||||
delete pblock; |
||||
pblock = NULL; |
||||
} |
||||
pblock = CreateNewBlock(reservekey); |
||||
if (!pblock) |
||||
throw JSONRPCError(-7, "Out of memory"); |
||||
|
||||
// Need to update only after we know CreateNewBlock succeeded
|
||||
pindexPrev = pindexPrevNew; |
||||
} |
||||
|
||||
// Update nTime
|
||||
pblock->UpdateTime(pindexPrev); |
||||
pblock->nNonce = 0; |
||||
|
||||
Array transactions; |
||||
map<uint256, int64_t> setTxIndex; |
||||
int i = 0; |
||||
CTxDB txdb("r"); |
||||
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())); |
||||
|
||||
MapPrevTx mapInputs; |
||||
map<uint256, CTxIndex> mapUnused; |
||||
bool fInvalid = false; |
||||
if (tx.FetchInputs(txdb, mapUnused, false, false, mapInputs, fInvalid)) |
||||
{ |
||||
entry.push_back(Pair("fee", (int64_t)(tx.GetValueIn(mapInputs) - tx.GetValueOut()))); |
||||
|
||||
Array deps; |
||||
BOOST_FOREACH (MapPrevTx::value_type& inp, mapInputs) |
||||
{ |
||||
if (setTxIndex.count(inp.first)) |
||||
deps.push_back(setTxIndex[inp.first]); |
||||
} |
||||
entry.push_back(Pair("depends", deps)); |
||||
|
||||
int64_t nSigOps = tx.GetLegacySigOpCount(); |
||||
nSigOps += tx.GetP2SHSigOpCount(mapInputs); |
||||
entry.push_back(Pair("sigops", nSigOps)); |
||||
} |
||||
|
||||
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; |
||||
} |
||||
|
||||
Value submitblock(const Array& params, bool fHelp) |
||||
{ |
||||
if (fHelp || params.size() < 1 || params.size() > 2) |
||||
throw runtime_error( |
||||
"submitblock <hex data> [optional-params-obj]\n" |
||||
"[optional-params-obj] parameter is currently ignored.\n" |
||||
"Attempts to submit new block to network.\n" |
||||
"See https://en.bitcoin.it/wiki/BIP_0022 for full specification."); |
||||
|
||||
vector<unsigned char> blockData(ParseHex(params[0].get_str())); |
||||
CDataStream ssBlock(blockData, SER_NETWORK, PROTOCOL_VERSION); |
||||
CBlock block; |
||||
try { |
||||
ssBlock >> block; |
||||
} |
||||
catch (std::exception &e) { |
||||
throw JSONRPCError(-22, "Block decode failed"); |
||||
} |
||||
|
||||
bool fAccepted = ProcessBlock(NULL, &block); |
||||
if (!fAccepted) |
||||
throw JSONRPCError(-23, "Block rejected"); |
||||
|
||||
return true; |
||||
} |
||||
|
||||
Loading…
Reference in new issue