Jeff Garzik
12 years ago
committed by
Jeff Garzik
Jeff Garzik
7 changed files with 394 additions and 365 deletions
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// Copyright (c) 2010 Satoshi Nakamoto
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// Copyright (c) 2009-2012 The Bitcoin developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "main.h" |
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#include "db.h" |
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#include "init.h" |
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#include "bitcoinrpc.h" |
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using namespace json_spirit; |
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using namespace std; |
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extern double GetDifficulty(const CBlockIndex* blockindex = NULL); |
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extern std::string HexBits(unsigned int nBits); |
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Value getgenerate(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() != 0) |
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throw runtime_error( |
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"getgenerate\n" |
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"Returns true or false."); |
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return GetBoolArg("-gen"); |
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} |
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Value setgenerate(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() < 1 || params.size() > 2) |
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throw runtime_error( |
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"setgenerate <generate> [genproclimit]\n" |
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"<generate> is true or false to turn generation on or off.\n" |
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"Generation is limited to [genproclimit] processors, -1 is unlimited."); |
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bool fGenerate = true; |
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if (params.size() > 0) |
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fGenerate = params[0].get_bool(); |
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if (params.size() > 1) |
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{ |
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int nGenProcLimit = params[1].get_int(); |
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mapArgs["-genproclimit"] = itostr(nGenProcLimit); |
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if (nGenProcLimit == 0) |
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fGenerate = false; |
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} |
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mapArgs["-gen"] = (fGenerate ? "1" : "0"); |
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GenerateBitcoins(fGenerate, pwalletMain); |
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return Value::null; |
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} |
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Value gethashespersec(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() != 0) |
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throw runtime_error( |
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"gethashespersec\n" |
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"Returns a recent hashes per second performance measurement while generating."); |
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if (GetTimeMillis() - nHPSTimerStart > 8000) |
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return (boost::int64_t)0; |
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return (boost::int64_t)dHashesPerSec; |
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} |
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Value getmininginfo(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() != 0) |
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throw runtime_error( |
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"getmininginfo\n" |
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"Returns an object containing mining-related information."); |
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Object obj; |
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obj.push_back(Pair("blocks", (int)nBestHeight)); |
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obj.push_back(Pair("currentblocksize",(uint64_t)nLastBlockSize)); |
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obj.push_back(Pair("currentblocktx",(uint64_t)nLastBlockTx)); |
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obj.push_back(Pair("difficulty", (double)GetDifficulty())); |
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obj.push_back(Pair("errors", GetWarnings("statusbar"))); |
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obj.push_back(Pair("generate", GetBoolArg("-gen"))); |
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obj.push_back(Pair("genproclimit", (int)GetArg("-genproclimit", -1))); |
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obj.push_back(Pair("hashespersec", gethashespersec(params, false))); |
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obj.push_back(Pair("pooledtx", (uint64_t)mempool.size())); |
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obj.push_back(Pair("testnet", fTestNet)); |
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return obj; |
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} |
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Value getwork(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() > 1) |
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throw runtime_error( |
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"getwork [data]\n" |
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"If [data] is not specified, returns formatted hash data to work on:\n" |
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" \"midstate\" : precomputed hash state after hashing the first half of the data (DEPRECATED)\n" // deprecated
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" \"data\" : block data\n" |
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" \"hash1\" : formatted hash buffer for second hash (DEPRECATED)\n" // deprecated
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" \"target\" : little endian hash target\n" |
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"If [data] is specified, tries to solve the block and returns true if it was successful."); |
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if (vNodes.empty()) |
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throw JSONRPCError(-9, "Bitcoin is not connected!"); |
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if (IsInitialBlockDownload()) |
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throw JSONRPCError(-10, "Bitcoin is downloading blocks..."); |
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typedef map<uint256, pair<CBlock*, CScript> > mapNewBlock_t; |
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static mapNewBlock_t mapNewBlock; // FIXME: thread safety
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static vector<CBlock*> vNewBlock; |
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static CReserveKey reservekey(pwalletMain); |
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if (params.size() == 0) |
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{ |
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// Update block
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static unsigned int nTransactionsUpdatedLast; |
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static CBlockIndex* pindexPrev; |
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static int64 nStart; |
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static CBlock* pblock; |
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if (pindexPrev != pindexBest || |
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(nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 60)) |
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{ |
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if (pindexPrev != pindexBest) |
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{ |
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// Deallocate old blocks since they're obsolete now
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mapNewBlock.clear(); |
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BOOST_FOREACH(CBlock* pblock, vNewBlock) |
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delete pblock; |
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vNewBlock.clear(); |
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} |
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// Clear pindexPrev so future getworks make a new block, despite any failures from here on
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pindexPrev = NULL; |
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// Store the pindexBest used before CreateNewBlock, to avoid races
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nTransactionsUpdatedLast = nTransactionsUpdated; |
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CBlockIndex* pindexPrevNew = pindexBest; |
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nStart = GetTime(); |
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// Create new block
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pblock = CreateNewBlock(reservekey); |
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if (!pblock) |
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throw JSONRPCError(-7, "Out of memory"); |
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vNewBlock.push_back(pblock); |
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// Need to update only after we know CreateNewBlock succeeded
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pindexPrev = pindexPrevNew; |
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} |
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// Update nTime
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pblock->UpdateTime(pindexPrev); |
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pblock->nNonce = 0; |
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// Update nExtraNonce
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static unsigned int nExtraNonce = 0; |
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IncrementExtraNonce(pblock, pindexPrev, nExtraNonce); |
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// Save
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mapNewBlock[pblock->hashMerkleRoot] = make_pair(pblock, pblock->vtx[0].vin[0].scriptSig); |
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// Pre-build hash buffers
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char pmidstate[32]; |
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char pdata[128]; |
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char phash1[64]; |
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FormatHashBuffers(pblock, pmidstate, pdata, phash1); |
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uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256(); |
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Object result; |
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result.push_back(Pair("midstate", HexStr(BEGIN(pmidstate), END(pmidstate)))); // deprecated
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result.push_back(Pair("data", HexStr(BEGIN(pdata), END(pdata)))); |
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result.push_back(Pair("hash1", HexStr(BEGIN(phash1), END(phash1)))); // deprecated
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result.push_back(Pair("target", HexStr(BEGIN(hashTarget), END(hashTarget)))); |
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return result; |
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} |
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else |
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{ |
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// Parse parameters
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vector<unsigned char> vchData = ParseHex(params[0].get_str()); |
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if (vchData.size() != 128) |
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throw JSONRPCError(-8, "Invalid parameter"); |
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CBlock* pdata = (CBlock*)&vchData[0]; |
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// Byte reverse
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for (int i = 0; i < 128/4; i++) |
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((unsigned int*)pdata)[i] = ByteReverse(((unsigned int*)pdata)[i]); |
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// Get saved block
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if (!mapNewBlock.count(pdata->hashMerkleRoot)) |
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return false; |
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CBlock* pblock = mapNewBlock[pdata->hashMerkleRoot].first; |
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pblock->nTime = pdata->nTime; |
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pblock->nNonce = pdata->nNonce; |
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pblock->vtx[0].vin[0].scriptSig = mapNewBlock[pdata->hashMerkleRoot].second; |
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pblock->hashMerkleRoot = pblock->BuildMerkleTree(); |
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return CheckWork(pblock, *pwalletMain, reservekey); |
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} |
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} |
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Value getblocktemplate(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() > 1) |
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throw runtime_error( |
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"getblocktemplate [params]\n" |
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"Returns data needed to construct a block to work on:\n" |
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" \"version\" : block version\n" |
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" \"previousblockhash\" : hash of current highest block\n" |
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" \"transactions\" : contents of non-coinbase transactions that should be included in the next block\n" |
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" \"coinbaseaux\" : data that should be included in coinbase\n" |
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" \"coinbasevalue\" : maximum allowable input to coinbase transaction, including the generation award and transaction fees\n" |
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" \"target\" : hash target\n" |
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" \"mintime\" : minimum timestamp appropriate for next block\n" |
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" \"curtime\" : current timestamp\n" |
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" \"mutable\" : list of ways the block template may be changed\n" |
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" \"noncerange\" : range of valid nonces\n" |
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" \"sigoplimit\" : limit of sigops in blocks\n" |
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" \"sizelimit\" : limit of block size\n" |
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" \"bits\" : compressed target of next block\n" |
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" \"height\" : height of the next block\n" |
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"See https://en.bitcoin.it/wiki/BIP_0022 for full specification."); |
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std::string strMode = "template"; |
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if (params.size() > 0) |
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{ |
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const Object& oparam = params[0].get_obj(); |
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const Value& modeval = find_value(oparam, "mode"); |
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if (modeval.type() == str_type) |
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strMode = modeval.get_str(); |
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else |
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throw JSONRPCError(-8, "Invalid mode"); |
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} |
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if (strMode != "template") |
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throw JSONRPCError(-8, "Invalid mode"); |
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if (vNodes.empty()) |
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throw JSONRPCError(-9, "Bitcoin is not connected!"); |
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if (IsInitialBlockDownload()) |
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throw JSONRPCError(-10, "Bitcoin is downloading blocks..."); |
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static CReserveKey reservekey(pwalletMain); |
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// Update block
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static unsigned int nTransactionsUpdatedLast; |
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static CBlockIndex* pindexPrev; |
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static int64 nStart; |
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static CBlock* pblock; |
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if (pindexPrev != pindexBest || |
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(nTransactionsUpdated != nTransactionsUpdatedLast && GetTime() - nStart > 5)) |
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{ |
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// Clear pindexPrev so future calls make a new block, despite any failures from here on
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pindexPrev = NULL; |
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// Store the pindexBest used before CreateNewBlock, to avoid races
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nTransactionsUpdatedLast = nTransactionsUpdated; |
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CBlockIndex* pindexPrevNew = pindexBest; |
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nStart = GetTime(); |
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// Create new block
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if(pblock) |
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{ |
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delete pblock; |
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pblock = NULL; |
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} |
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pblock = CreateNewBlock(reservekey); |
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if (!pblock) |
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throw JSONRPCError(-7, "Out of memory"); |
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// Need to update only after we know CreateNewBlock succeeded
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pindexPrev = pindexPrevNew; |
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} |
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// Update nTime
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pblock->UpdateTime(pindexPrev); |
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pblock->nNonce = 0; |
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Array transactions; |
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map<uint256, int64_t> setTxIndex; |
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int i = 0; |
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CTxDB txdb("r"); |
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BOOST_FOREACH (CTransaction& tx, pblock->vtx) |
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{ |
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uint256 txHash = tx.GetHash(); |
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setTxIndex[txHash] = i++; |
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if (tx.IsCoinBase()) |
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continue; |
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Object entry; |
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CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION); |
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ssTx << tx; |
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entry.push_back(Pair("data", HexStr(ssTx.begin(), ssTx.end()))); |
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entry.push_back(Pair("hash", txHash.GetHex())); |
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MapPrevTx mapInputs; |
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map<uint256, CTxIndex> mapUnused; |
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bool fInvalid = false; |
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if (tx.FetchInputs(txdb, mapUnused, false, false, mapInputs, fInvalid)) |
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{ |
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entry.push_back(Pair("fee", (int64_t)(tx.GetValueIn(mapInputs) - tx.GetValueOut()))); |
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Array deps; |
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BOOST_FOREACH (MapPrevTx::value_type& inp, mapInputs) |
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{ |
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if (setTxIndex.count(inp.first)) |
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deps.push_back(setTxIndex[inp.first]); |
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} |
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entry.push_back(Pair("depends", deps)); |
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int64_t nSigOps = tx.GetLegacySigOpCount(); |
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nSigOps += tx.GetP2SHSigOpCount(mapInputs); |
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entry.push_back(Pair("sigops", nSigOps)); |
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} |
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transactions.push_back(entry); |
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} |
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Object aux; |
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aux.push_back(Pair("flags", HexStr(COINBASE_FLAGS.begin(), COINBASE_FLAGS.end()))); |
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uint256 hashTarget = CBigNum().SetCompact(pblock->nBits).getuint256(); |
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static Array aMutable; |
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if (aMutable.empty()) |
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{ |
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aMutable.push_back("time"); |
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aMutable.push_back("transactions"); |
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aMutable.push_back("prevblock"); |
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} |
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Object result; |
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result.push_back(Pair("version", pblock->nVersion)); |
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result.push_back(Pair("previousblockhash", pblock->hashPrevBlock.GetHex())); |
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result.push_back(Pair("transactions", transactions)); |
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result.push_back(Pair("coinbaseaux", aux)); |
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result.push_back(Pair("coinbasevalue", (int64_t)pblock->vtx[0].vout[0].nValue)); |
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result.push_back(Pair("target", hashTarget.GetHex())); |
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result.push_back(Pair("mintime", (int64_t)pindexPrev->GetMedianTimePast()+1)); |
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result.push_back(Pair("mutable", aMutable)); |
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result.push_back(Pair("noncerange", "00000000ffffffff")); |
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result.push_back(Pair("sigoplimit", (int64_t)MAX_BLOCK_SIGOPS)); |
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result.push_back(Pair("sizelimit", (int64_t)MAX_BLOCK_SIZE)); |
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result.push_back(Pair("curtime", (int64_t)pblock->nTime)); |
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result.push_back(Pair("bits", HexBits(pblock->nBits))); |
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result.push_back(Pair("height", (int64_t)(pindexPrev->nHeight+1))); |
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return result; |
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} |
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Value submitblock(const Array& params, bool fHelp) |
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{ |
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if (fHelp || params.size() < 1 || params.size() > 2) |
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throw runtime_error( |
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"submitblock <hex data> [optional-params-obj]\n" |
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"[optional-params-obj] parameter is currently ignored.\n" |
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"Attempts to submit new block to network.\n" |
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"See https://en.bitcoin.it/wiki/BIP_0022 for full specification."); |
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vector<unsigned char> blockData(ParseHex(params[0].get_str())); |
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CDataStream ssBlock(blockData, SER_NETWORK, PROTOCOL_VERSION); |
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CBlock block; |
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try { |
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ssBlock >> block; |
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} |
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catch (std::exception &e) { |
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throw JSONRPCError(-22, "Block decode failed"); |
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} |
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bool fAccepted = ProcessBlock(NULL, &block); |
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if (!fAccepted) |
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throw JSONRPCError(-23, "Block rejected"); |
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return true; |
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} |
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