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807 lines
33 KiB
807 lines
33 KiB
// Copyright (c) 2010 Satoshi Nakamoto |
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// Copyright (c) 2009-2015 The Bitcoin Core developers |
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// Distributed under the MIT 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 "base58.h" |
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#include "amount.h" |
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#include "chain.h" |
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#include "chainparams.h" |
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#include "consensus/consensus.h" |
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#include "consensus/validation.h" |
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#include "core_io.h" |
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#include "init.h" |
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#include "main.h" |
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#include "miner.h" |
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#include "net.h" |
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#include "pow.h" |
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#include "rpc/server.h" |
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#include "txmempool.h" |
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#include "util.h" |
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#include "utilstrencodings.h" |
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#include "validationinterface.h" |
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#include <stdint.h> |
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#include <boost/assign/list_of.hpp> |
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#include <boost/shared_ptr.hpp> |
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#include <univalue.h> |
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using namespace std; |
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/** |
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* Return average network hashes per second based on the last 'lookup' blocks, |
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* or from the last difficulty change if 'lookup' is nonpositive. |
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* If 'height' is nonnegative, compute the estimate at the time when a given block was found. |
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*/ |
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UniValue GetNetworkHashPS(int lookup, int height) { |
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CBlockIndex *pb = chainActive.Tip(); |
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if (height >= 0 && height < chainActive.Height()) |
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pb = chainActive[height]; |
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if (pb == NULL || !pb->nHeight) |
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return 0; |
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// If lookup is -1, then use blocks since last difficulty change. |
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if (lookup <= 0) |
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lookup = pb->nHeight % Params().GetConsensus().DifficultyAdjustmentInterval() + 1; |
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// If lookup is larger than chain, then set it to chain length. |
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if (lookup > pb->nHeight) |
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lookup = pb->nHeight; |
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CBlockIndex *pb0 = pb; |
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int64_t minTime = pb0->GetBlockTime(); |
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int64_t maxTime = minTime; |
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for (int i = 0; i < lookup; i++) { |
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pb0 = pb0->pprev; |
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int64_t time = pb0->GetBlockTime(); |
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minTime = std::min(time, minTime); |
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maxTime = std::max(time, maxTime); |
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} |
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// In case there's a situation where minTime == maxTime, we don't want a divide by zero exception. |
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if (minTime == maxTime) |
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return 0; |
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arith_uint256 workDiff = pb->nChainWork - pb0->nChainWork; |
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int64_t timeDiff = maxTime - minTime; |
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return workDiff.getdouble() / timeDiff; |
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} |
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UniValue getnetworkhashps(const UniValue& params, bool fHelp) |
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{ |
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if (fHelp || params.size() > 2) |
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throw runtime_error( |
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"getnetworkhashps ( blocks height )\n" |
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"\nReturns the estimated network hashes per second based on the last n blocks.\n" |
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"Pass in [blocks] to override # of blocks, -1 specifies since last difficulty change.\n" |
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"Pass in [height] to estimate the network speed at the time when a certain block was found.\n" |
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"\nArguments:\n" |
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"1. blocks (numeric, optional, default=120) The number of blocks, or -1 for blocks since last difficulty change.\n" |
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"2. height (numeric, optional, default=-1) To estimate at the time of the given height.\n" |
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"\nResult:\n" |
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"x (numeric) Hashes per second estimated\n" |
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"\nExamples:\n" |
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+ HelpExampleCli("getnetworkhashps", "") |
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+ HelpExampleRpc("getnetworkhashps", "") |
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); |
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LOCK(cs_main); |
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return GetNetworkHashPS(params.size() > 0 ? params[0].get_int() : 120, params.size() > 1 ? params[1].get_int() : -1); |
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} |
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UniValue generateBlocks(boost::shared_ptr<CReserveScript> coinbaseScript, int nGenerate, uint64_t nMaxTries, bool keepScript) |
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{ |
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static const int nInnerLoopCount = 0x10000; |
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int nHeightStart = 0; |
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int nHeightEnd = 0; |
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int nHeight = 0; |
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{ // Don't keep cs_main locked |
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LOCK(cs_main); |
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nHeightStart = chainActive.Height(); |
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nHeight = nHeightStart; |
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nHeightEnd = nHeightStart+nGenerate; |
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} |
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unsigned int nExtraNonce = 0; |
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UniValue blockHashes(UniValue::VARR); |
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while (nHeight < nHeightEnd) |
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{ |
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auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlock(Params(), coinbaseScript->reserveScript)); |
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if (!pblocktemplate.get()) |
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throw JSONRPCError(RPC_INTERNAL_ERROR, "Couldn't create new block"); |
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CBlock *pblock = &pblocktemplate->block; |
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{ |
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LOCK(cs_main); |
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IncrementExtraNonce(pblock, chainActive.Tip(), nExtraNonce); |
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} |
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while (nMaxTries > 0 && pblock->nNonce < nInnerLoopCount && !CheckProofOfWork(pblock->GetHash(), pblock->nBits, Params().GetConsensus())) { |
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++pblock->nNonce; |
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--nMaxTries; |
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} |
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if (nMaxTries == 0) { |
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break; |
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} |
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if (pblock->nNonce == nInnerLoopCount) { |
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continue; |
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} |
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CValidationState state; |
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if (!ProcessNewBlock(state, Params(), NULL, pblock, true, NULL)) |
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throw JSONRPCError(RPC_INTERNAL_ERROR, "ProcessNewBlock, block not accepted"); |
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++nHeight; |
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blockHashes.push_back(pblock->GetHash().GetHex()); |
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//mark script as important because it was used at least for one coinbase output if the script came from the wallet |
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if (keepScript) |
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{ |
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coinbaseScript->KeepScript(); |
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} |
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} |
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return blockHashes; |
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} |
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UniValue generate(const UniValue& 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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"generate numblocks ( maxtries )\n" |
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"\nMine up to numblocks blocks immediately (before the RPC call returns)\n" |
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"\nArguments:\n" |
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"1. numblocks (numeric, required) How many blocks are generated immediately.\n" |
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"2. maxtries (numeric, optional) How many iterations to try (default = 1000000).\n" |
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"\nResult\n" |
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"[ blockhashes ] (array) hashes of blocks generated\n" |
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"\nExamples:\n" |
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"\nGenerate 11 blocks\n" |
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+ HelpExampleCli("generate", "11") |
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); |
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int nGenerate = params[0].get_int(); |
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uint64_t nMaxTries = 1000000; |
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if (params.size() > 1) { |
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nMaxTries = params[1].get_int(); |
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} |
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boost::shared_ptr<CReserveScript> coinbaseScript; |
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GetMainSignals().ScriptForMining(coinbaseScript); |
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// If the keypool is exhausted, no script is returned at all. Catch this. |
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if (!coinbaseScript) |
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throw JSONRPCError(RPC_WALLET_KEYPOOL_RAN_OUT, "Error: Keypool ran out, please call keypoolrefill first"); |
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//throw an error if no script was provided |
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if (coinbaseScript->reserveScript.empty()) |
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throw JSONRPCError(RPC_INTERNAL_ERROR, "No coinbase script available (mining requires a wallet)"); |
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return generateBlocks(coinbaseScript, nGenerate, nMaxTries, true); |
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} |
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UniValue generatetoaddress(const UniValue& params, bool fHelp) |
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{ |
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if (fHelp || params.size() < 2 || params.size() > 3) |
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throw runtime_error( |
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"generatetoaddress numblocks address (maxtries)\n" |
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"\nMine blocks immediately to a specified address (before the RPC call returns)\n" |
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"\nArguments:\n" |
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"1. numblocks (numeric, required) How many blocks are generated immediately.\n" |
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"2. address (string, required) The address to send the newly generated bitcoin to.\n" |
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"3. maxtries (numeric, optional) How many iterations to try (default = 1000000).\n" |
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"\nResult\n" |
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"[ blockhashes ] (array) hashes of blocks generated\n" |
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"\nExamples:\n" |
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"\nGenerate 11 blocks to myaddress\n" |
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+ HelpExampleCli("generatetoaddress", "11 \"myaddress\"") |
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); |
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int nGenerate = params[0].get_int(); |
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uint64_t nMaxTries = 1000000; |
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if (params.size() > 2) { |
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nMaxTries = params[2].get_int(); |
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} |
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CBitcoinAddress address(params[1].get_str()); |
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if (!address.IsValid()) |
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throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Error: Invalid address"); |
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boost::shared_ptr<CReserveScript> coinbaseScript(new CReserveScript()); |
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coinbaseScript->reserveScript = GetScriptForDestination(address.Get()); |
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return generateBlocks(coinbaseScript, nGenerate, nMaxTries, false); |
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} |
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UniValue getmininginfo(const UniValue& 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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"\nReturns a json object containing mining-related information." |
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"\nResult:\n" |
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"{\n" |
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" \"blocks\": nnn, (numeric) The current block\n" |
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" \"currentblocksize\": nnn, (numeric) The last block size\n" |
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" \"currentblocktx\": nnn, (numeric) The last block transaction\n" |
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" \"difficulty\": xxx.xxxxx (numeric) The current difficulty\n" |
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" \"errors\": \"...\" (string) Current errors\n" |
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" \"pooledtx\": n (numeric) The size of the mem pool\n" |
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" \"testnet\": true|false (boolean) If using testnet or not\n" |
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" \"chain\": \"xxxx\", (string) current network name as defined in BIP70 (main, test, regtest)\n" |
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"}\n" |
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"\nExamples:\n" |
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+ HelpExampleCli("getmininginfo", "") |
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+ HelpExampleRpc("getmininginfo", "") |
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); |
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LOCK(cs_main); |
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UniValue obj(UniValue::VOBJ); |
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obj.push_back(Pair("blocks", (int)chainActive.Height())); |
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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("networkhashps", getnetworkhashps(params, false))); |
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obj.push_back(Pair("pooledtx", (uint64_t)mempool.size())); |
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obj.push_back(Pair("testnet", Params().TestnetToBeDeprecatedFieldRPC())); |
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obj.push_back(Pair("chain", Params().NetworkIDString())); |
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return obj; |
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} |
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// NOTE: Unlike wallet RPC (which use BTC values), mining RPCs follow GBT (BIP 22) in using satoshi amounts |
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UniValue prioritisetransaction(const UniValue& params, bool fHelp) |
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{ |
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if (fHelp || params.size() != 3) |
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throw runtime_error( |
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"prioritisetransaction <txid> <priority delta> <fee delta>\n" |
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"Accepts the transaction into mined blocks at a higher (or lower) priority\n" |
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"\nArguments:\n" |
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"1. \"txid\" (string, required) The transaction id.\n" |
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"2. priority delta (numeric, required) The priority to add or subtract.\n" |
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" The transaction selection algorithm considers the tx as it would have a higher priority.\n" |
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" (priority of a transaction is calculated: coinage * value_in_satoshis / txsize) \n" |
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"3. fee delta (numeric, required) The fee value (in satoshis) to add (or subtract, if negative).\n" |
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" The fee is not actually paid, only the algorithm for selecting transactions into a block\n" |
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" considers the transaction as it would have paid a higher (or lower) fee.\n" |
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"\nResult\n" |
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"true (boolean) Returns true\n" |
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"\nExamples:\n" |
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+ HelpExampleCli("prioritisetransaction", "\"txid\" 0.0 10000") |
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+ HelpExampleRpc("prioritisetransaction", "\"txid\", 0.0, 10000") |
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); |
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LOCK(cs_main); |
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uint256 hash = ParseHashStr(params[0].get_str(), "txid"); |
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CAmount nAmount = params[2].get_int64(); |
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mempool.PrioritiseTransaction(hash, params[0].get_str(), params[1].get_real(), nAmount); |
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return true; |
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} |
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// NOTE: Assumes a conclusive result; if result is inconclusive, it must be handled by caller |
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static UniValue BIP22ValidationResult(const CValidationState& state) |
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{ |
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if (state.IsValid()) |
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return NullUniValue; |
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std::string strRejectReason = state.GetRejectReason(); |
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if (state.IsError()) |
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throw JSONRPCError(RPC_VERIFY_ERROR, strRejectReason); |
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if (state.IsInvalid()) |
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{ |
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if (strRejectReason.empty()) |
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return "rejected"; |
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return strRejectReason; |
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} |
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// Should be impossible |
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return "valid?"; |
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} |
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UniValue getblocktemplate(const UniValue& 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 ( \"jsonrequestobject\" )\n" |
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"\nIf the request parameters include a 'mode' key, that is used to explicitly select between the default 'template' request or a 'proposal'.\n" |
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"It returns data needed to construct a block to work on.\n" |
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"See https://en.bitcoin.it/wiki/BIP_0022 for full specification.\n" |
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|
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"\nArguments:\n" |
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"1. \"jsonrequestobject\" (string, optional) A json object in the following spec\n" |
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" {\n" |
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" \"mode\":\"template\" (string, optional) This must be set to \"template\" or omitted\n" |
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" \"capabilities\":[ (array, optional) A list of strings\n" |
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" \"support\" (string) client side supported feature, 'longpoll', 'coinbasetxn', 'coinbasevalue', 'proposal', 'serverlist', 'workid'\n" |
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" ,...\n" |
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" ]\n" |
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" }\n" |
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"\n" |
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"\nResult:\n" |
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"{\n" |
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" \"version\" : n, (numeric) The block version\n" |
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" \"previousblockhash\" : \"xxxx\", (string) The hash of current highest block\n" |
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" \"transactions\" : [ (array) contents of non-coinbase transactions that should be included in the next block\n" |
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" {\n" |
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" \"data\" : \"xxxx\", (string) transaction data encoded in hexadecimal (byte-for-byte)\n" |
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" \"hash\" : \"xxxx\", (string) hash/id encoded in little-endian hexadecimal\n" |
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" \"depends\" : [ (array) array of numbers \n" |
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" n (numeric) transactions before this one (by 1-based index in 'transactions' list) that must be present in the final block if this one is\n" |
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" ,...\n" |
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" ],\n" |
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" \"fee\": n, (numeric) difference in value between transaction inputs and outputs (in Satoshis); for coinbase transactions, this is a negative Number of the total collected block fees (ie, not including the block subsidy); if key is not present, fee is unknown and clients MUST NOT assume there isn't one\n" |
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" \"sigops\" : n, (numeric) total number of SigOps, as counted for purposes of block limits; if key is not present, sigop count is unknown and clients MUST NOT assume there aren't any\n" |
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" \"required\" : true|false (boolean) if provided and true, this transaction must be in the final block\n" |
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" }\n" |
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" ,...\n" |
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" ],\n" |
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" \"coinbaseaux\" : { (json object) data that should be included in the coinbase's scriptSig content\n" |
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" \"flags\" : \"flags\" (string) \n" |
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" },\n" |
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" \"coinbasevalue\" : n, (numeric) maximum allowable input to coinbase transaction, including the generation award and transaction fees (in Satoshis)\n" |
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" \"coinbasetxn\" : { ... }, (json object) information for coinbase transaction\n" |
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" \"target\" : \"xxxx\", (string) The hash target\n" |
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" \"mintime\" : xxx, (numeric) The minimum timestamp appropriate for next block time in seconds since epoch (Jan 1 1970 GMT)\n" |
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" \"mutable\" : [ (array of string) list of ways the block template may be changed \n" |
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" \"value\" (string) A way the block template may be changed, e.g. 'time', 'transactions', 'prevblock'\n" |
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" ,...\n" |
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" ],\n" |
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" \"noncerange\" : \"00000000ffffffff\", (string) A range of valid nonces\n" |
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" \"sigoplimit\" : n, (numeric) limit of sigops in blocks\n" |
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" \"sizelimit\" : n, (numeric) limit of block size\n" |
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" \"curtime\" : ttt, (numeric) current timestamp in seconds since epoch (Jan 1 1970 GMT)\n" |
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" \"bits\" : \"xxx\", (string) compressed target of next block\n" |
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" \"height\" : n (numeric) The height of the next block\n" |
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"}\n" |
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"\nExamples:\n" |
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+ HelpExampleCli("getblocktemplate", "") |
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+ HelpExampleRpc("getblocktemplate", "") |
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); |
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LOCK(cs_main); |
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std::string strMode = "template"; |
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UniValue lpval = NullUniValue; |
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if (params.size() > 0) |
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{ |
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const UniValue& oparam = params[0].get_obj(); |
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const UniValue& modeval = find_value(oparam, "mode"); |
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if (modeval.isStr()) |
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strMode = modeval.get_str(); |
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else if (modeval.isNull()) |
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{ |
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/* Do nothing */ |
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} |
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else |
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throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid mode"); |
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lpval = find_value(oparam, "longpollid"); |
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if (strMode == "proposal") |
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{ |
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const UniValue& dataval = find_value(oparam, "data"); |
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if (!dataval.isStr()) |
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throw JSONRPCError(RPC_TYPE_ERROR, "Missing data String key for proposal"); |
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CBlock block; |
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if (!DecodeHexBlk(block, dataval.get_str())) |
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throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Block decode failed"); |
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uint256 hash = block.GetHash(); |
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BlockMap::iterator mi = mapBlockIndex.find(hash); |
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if (mi != mapBlockIndex.end()) { |
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CBlockIndex *pindex = mi->second; |
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if (pindex->IsValid(BLOCK_VALID_SCRIPTS)) |
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return "duplicate"; |
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if (pindex->nStatus & BLOCK_FAILED_MASK) |
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return "duplicate-invalid"; |
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return "duplicate-inconclusive"; |
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} |
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CBlockIndex* const pindexPrev = chainActive.Tip(); |
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// TestBlockValidity only supports blocks built on the current Tip |
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if (block.hashPrevBlock != pindexPrev->GetBlockHash()) |
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return "inconclusive-not-best-prevblk"; |
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CValidationState state; |
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TestBlockValidity(state, Params(), block, pindexPrev, false, true); |
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return BIP22ValidationResult(state); |
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} |
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} |
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if (strMode != "template") |
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throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid mode"); |
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|
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if (vNodes.empty()) |
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throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Bitcoin is not connected!"); |
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|
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if (IsInitialBlockDownload()) |
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throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "Bitcoin is downloading blocks..."); |
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|
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static unsigned int nTransactionsUpdatedLast; |
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|
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if (!lpval.isNull()) |
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{ |
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// Wait to respond until either the best block changes, OR a minute has passed and there are more transactions |
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uint256 hashWatchedChain; |
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boost::system_time checktxtime; |
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unsigned int nTransactionsUpdatedLastLP; |
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|
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if (lpval.isStr()) |
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{ |
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// Format: <hashBestChain><nTransactionsUpdatedLast> |
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std::string lpstr = lpval.get_str(); |
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hashWatchedChain.SetHex(lpstr.substr(0, 64)); |
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nTransactionsUpdatedLastLP = atoi64(lpstr.substr(64)); |
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} |
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else |
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{ |
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// NOTE: Spec does not specify behaviour for non-string longpollid, but this makes testing easier |
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hashWatchedChain = chainActive.Tip()->GetBlockHash(); |
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nTransactionsUpdatedLastLP = nTransactionsUpdatedLast; |
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} |
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|
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// Release the wallet and main lock while waiting |
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LEAVE_CRITICAL_SECTION(cs_main); |
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{ |
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checktxtime = boost::get_system_time() + boost::posix_time::minutes(1); |
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boost::unique_lock<boost::mutex> lock(csBestBlock); |
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while (chainActive.Tip()->GetBlockHash() == hashWatchedChain && IsRPCRunning()) |
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{ |
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if (!cvBlockChange.timed_wait(lock, checktxtime)) |
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{ |
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// Timeout: Check transactions for update |
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if (mempool.GetTransactionsUpdated() != nTransactionsUpdatedLastLP) |
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break; |
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checktxtime += boost::posix_time::seconds(10); |
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} |
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} |
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} |
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ENTER_CRITICAL_SECTION(cs_main); |
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|
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if (!IsRPCRunning()) |
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throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Shutting down"); |
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// TODO: Maybe recheck connections/IBD and (if something wrong) send an expires-immediately template to stop miners? |
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} |
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|
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// Update block |
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static CBlockIndex* pindexPrev; |
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static int64_t nStart; |
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static CBlockTemplate* pblocktemplate; |
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if (pindexPrev != chainActive.Tip() || |
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(mempool.GetTransactionsUpdated() != 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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|
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// Store the pindexBest used before CreateNewBlock, to avoid races |
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nTransactionsUpdatedLast = mempool.GetTransactionsUpdated(); |
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CBlockIndex* pindexPrevNew = chainActive.Tip(); |
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nStart = GetTime(); |
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|
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// Create new block |
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if(pblocktemplate) |
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{ |
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delete pblocktemplate; |
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pblocktemplate = NULL; |
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} |
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CScript scriptDummy = CScript() << OP_TRUE; |
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pblocktemplate = CreateNewBlock(Params(), scriptDummy); |
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if (!pblocktemplate) |
|
throw JSONRPCError(RPC_OUT_OF_MEMORY, "Out of memory"); |
|
|
|
// Need to update only after we know CreateNewBlock succeeded |
|
pindexPrev = pindexPrevNew; |
|
} |
|
CBlock* pblock = &pblocktemplate->block; // pointer for convenience |
|
|
|
// Update nTime |
|
UpdateTime(pblock, Params().GetConsensus(), pindexPrev); |
|
pblock->nNonce = 0; |
|
|
|
UniValue aCaps(UniValue::VARR); aCaps.push_back("proposal"); |
|
|
|
UniValue transactions(UniValue::VARR); |
|
map<uint256, int64_t> setTxIndex; |
|
int i = 0; |
|
BOOST_FOREACH (const CTransaction& tx, pblock->vtx) { |
|
uint256 txHash = tx.GetHash(); |
|
setTxIndex[txHash] = i++; |
|
|
|
if (tx.IsCoinBase()) |
|
continue; |
|
|
|
UniValue entry(UniValue::VOBJ); |
|
|
|
entry.push_back(Pair("data", EncodeHexTx(tx))); |
|
|
|
entry.push_back(Pair("hash", txHash.GetHex())); |
|
|
|
UniValue deps(UniValue::VARR); |
|
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); |
|
} |
|
|
|
UniValue aux(UniValue::VOBJ); |
|
aux.push_back(Pair("flags", HexStr(COINBASE_FLAGS.begin(), COINBASE_FLAGS.end()))); |
|
|
|
arith_uint256 hashTarget = arith_uint256().SetCompact(pblock->nBits); |
|
|
|
static UniValue aMutable(UniValue::VARR); |
|
if (aMutable.empty()) |
|
{ |
|
aMutable.push_back("time"); |
|
aMutable.push_back("transactions"); |
|
aMutable.push_back("prevblock"); |
|
} |
|
|
|
UniValue result(UniValue::VOBJ); |
|
result.push_back(Pair("capabilities", aCaps)); |
|
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("longpollid", chainActive.Tip()->GetBlockHash().GetHex() + i64tostr(nTransactionsUpdatedLast))); |
|
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", pblock->GetBlockTime())); |
|
result.push_back(Pair("bits", strprintf("%08x", pblock->nBits))); |
|
result.push_back(Pair("height", (int64_t)(pindexPrev->nHeight+1))); |
|
|
|
return result; |
|
} |
|
|
|
class submitblock_StateCatcher : public CValidationInterface |
|
{ |
|
public: |
|
uint256 hash; |
|
bool found; |
|
CValidationState state; |
|
|
|
submitblock_StateCatcher(const uint256 &hashIn) : hash(hashIn), found(false), state() {}; |
|
|
|
protected: |
|
virtual void BlockChecked(const CBlock& block, const CValidationState& stateIn) { |
|
if (block.GetHash() != hash) |
|
return; |
|
found = true; |
|
state = stateIn; |
|
}; |
|
}; |
|
|
|
UniValue submitblock(const UniValue& params, bool fHelp) |
|
{ |
|
if (fHelp || params.size() < 1 || params.size() > 2) |
|
throw runtime_error( |
|
"submitblock \"hexdata\" ( \"jsonparametersobject\" )\n" |
|
"\nAttempts to submit new block to network.\n" |
|
"The 'jsonparametersobject' parameter is currently ignored.\n" |
|
"See https://en.bitcoin.it/wiki/BIP_0022 for full specification.\n" |
|
|
|
"\nArguments\n" |
|
"1. \"hexdata\" (string, required) the hex-encoded block data to submit\n" |
|
"2. \"jsonparametersobject\" (string, optional) object of optional parameters\n" |
|
" {\n" |
|
" \"workid\" : \"id\" (string, optional) if the server provided a workid, it MUST be included with submissions\n" |
|
" }\n" |
|
"\nResult:\n" |
|
"\nExamples:\n" |
|
+ HelpExampleCli("submitblock", "\"mydata\"") |
|
+ HelpExampleRpc("submitblock", "\"mydata\"") |
|
); |
|
|
|
CBlock block; |
|
if (!DecodeHexBlk(block, params[0].get_str())) |
|
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Block decode failed"); |
|
|
|
uint256 hash = block.GetHash(); |
|
bool fBlockPresent = false; |
|
{ |
|
LOCK(cs_main); |
|
BlockMap::iterator mi = mapBlockIndex.find(hash); |
|
if (mi != mapBlockIndex.end()) { |
|
CBlockIndex *pindex = mi->second; |
|
if (pindex->IsValid(BLOCK_VALID_SCRIPTS)) |
|
return "duplicate"; |
|
if (pindex->nStatus & BLOCK_FAILED_MASK) |
|
return "duplicate-invalid"; |
|
// Otherwise, we might only have the header - process the block before returning |
|
fBlockPresent = true; |
|
} |
|
} |
|
|
|
CValidationState state; |
|
submitblock_StateCatcher sc(block.GetHash()); |
|
RegisterValidationInterface(&sc); |
|
bool fAccepted = ProcessNewBlock(state, Params(), NULL, &block, true, NULL); |
|
UnregisterValidationInterface(&sc); |
|
if (fBlockPresent) |
|
{ |
|
if (fAccepted && !sc.found) |
|
return "duplicate-inconclusive"; |
|
return "duplicate"; |
|
} |
|
if (fAccepted) |
|
{ |
|
if (!sc.found) |
|
return "inconclusive"; |
|
state = sc.state; |
|
} |
|
return BIP22ValidationResult(state); |
|
} |
|
|
|
UniValue estimatefee(const UniValue& params, bool fHelp) |
|
{ |
|
if (fHelp || params.size() != 1) |
|
throw runtime_error( |
|
"estimatefee nblocks\n" |
|
"\nEstimates the approximate fee per kilobyte needed for a transaction to begin\n" |
|
"confirmation within nblocks blocks.\n" |
|
"\nArguments:\n" |
|
"1. nblocks (numeric)\n" |
|
"\nResult:\n" |
|
"n (numeric) estimated fee-per-kilobyte\n" |
|
"\n" |
|
"A negative value is returned if not enough transactions and blocks\n" |
|
"have been observed to make an estimate.\n" |
|
"\nExample:\n" |
|
+ HelpExampleCli("estimatefee", "6") |
|
); |
|
|
|
RPCTypeCheck(params, boost::assign::list_of(UniValue::VNUM)); |
|
|
|
int nBlocks = params[0].get_int(); |
|
if (nBlocks < 1) |
|
nBlocks = 1; |
|
|
|
CFeeRate feeRate = mempool.estimateFee(nBlocks); |
|
if (feeRate == CFeeRate(0)) |
|
return -1.0; |
|
|
|
return ValueFromAmount(feeRate.GetFeePerK()); |
|
} |
|
|
|
UniValue estimatepriority(const UniValue& params, bool fHelp) |
|
{ |
|
if (fHelp || params.size() != 1) |
|
throw runtime_error( |
|
"estimatepriority nblocks\n" |
|
"\nEstimates the approximate priority a zero-fee transaction needs to begin\n" |
|
"confirmation within nblocks blocks.\n" |
|
"\nArguments:\n" |
|
"1. nblocks (numeric)\n" |
|
"\nResult:\n" |
|
"n (numeric) estimated priority\n" |
|
"\n" |
|
"A negative value is returned if not enough transactions and blocks\n" |
|
"have been observed to make an estimate.\n" |
|
"\nExample:\n" |
|
+ HelpExampleCli("estimatepriority", "6") |
|
); |
|
|
|
RPCTypeCheck(params, boost::assign::list_of(UniValue::VNUM)); |
|
|
|
int nBlocks = params[0].get_int(); |
|
if (nBlocks < 1) |
|
nBlocks = 1; |
|
|
|
return mempool.estimatePriority(nBlocks); |
|
} |
|
|
|
UniValue estimatesmartfee(const UniValue& params, bool fHelp) |
|
{ |
|
if (fHelp || params.size() != 1) |
|
throw runtime_error( |
|
"estimatesmartfee nblocks\n" |
|
"\nWARNING: This interface is unstable and may disappear or change!\n" |
|
"\nEstimates the approximate fee per kilobyte needed for a transaction to begin\n" |
|
"confirmation within nblocks blocks if possible and return the number of blocks\n" |
|
"for which the estimate is valid.\n" |
|
"\nArguments:\n" |
|
"1. nblocks (numeric)\n" |
|
"\nResult:\n" |
|
"{\n" |
|
" \"feerate\" : x.x, (numeric) estimate fee-per-kilobyte (in BTC)\n" |
|
" \"blocks\" : n (numeric) block number where estimate was found\n" |
|
"}\n" |
|
"\n" |
|
"A negative value is returned if not enough transactions and blocks\n" |
|
"have been observed to make an estimate for any number of blocks.\n" |
|
"However it will not return a value below the mempool reject fee.\n" |
|
"\nExample:\n" |
|
+ HelpExampleCli("estimatesmartfee", "6") |
|
); |
|
|
|
RPCTypeCheck(params, boost::assign::list_of(UniValue::VNUM)); |
|
|
|
int nBlocks = params[0].get_int(); |
|
|
|
UniValue result(UniValue::VOBJ); |
|
int answerFound; |
|
CFeeRate feeRate = mempool.estimateSmartFee(nBlocks, &answerFound); |
|
result.push_back(Pair("feerate", feeRate == CFeeRate(0) ? -1.0 : ValueFromAmount(feeRate.GetFeePerK()))); |
|
result.push_back(Pair("blocks", answerFound)); |
|
return result; |
|
} |
|
|
|
UniValue estimatesmartpriority(const UniValue& params, bool fHelp) |
|
{ |
|
if (fHelp || params.size() != 1) |
|
throw runtime_error( |
|
"estimatesmartpriority nblocks\n" |
|
"\nWARNING: This interface is unstable and may disappear or change!\n" |
|
"\nEstimates the approximate priority a zero-fee transaction needs to begin\n" |
|
"confirmation within nblocks blocks if possible and return the number of blocks\n" |
|
"for which the estimate is valid.\n" |
|
"\nArguments:\n" |
|
"1. nblocks (numeric)\n" |
|
"\nResult:\n" |
|
"{\n" |
|
" \"priority\" : x.x, (numeric) estimated priority\n" |
|
" \"blocks\" : n (numeric) block number where estimate was found\n" |
|
"}\n" |
|
"\n" |
|
"A negative value is returned if not enough transactions and blocks\n" |
|
"have been observed to make an estimate for any number of blocks.\n" |
|
"However if the mempool reject fee is set it will return 1e9 * MAX_MONEY.\n" |
|
"\nExample:\n" |
|
+ HelpExampleCli("estimatesmartpriority", "6") |
|
); |
|
|
|
RPCTypeCheck(params, boost::assign::list_of(UniValue::VNUM)); |
|
|
|
int nBlocks = params[0].get_int(); |
|
|
|
UniValue result(UniValue::VOBJ); |
|
int answerFound; |
|
double priority = mempool.estimateSmartPriority(nBlocks, &answerFound); |
|
result.push_back(Pair("priority", priority)); |
|
result.push_back(Pair("blocks", answerFound)); |
|
return result; |
|
} |
|
|
|
static const CRPCCommand commands[] = |
|
{ // category name actor (function) okSafeMode |
|
// --------------------- ------------------------ ----------------------- ---------- |
|
{ "mining", "getnetworkhashps", &getnetworkhashps, true }, |
|
{ "mining", "getmininginfo", &getmininginfo, true }, |
|
{ "mining", "prioritisetransaction", &prioritisetransaction, true }, |
|
{ "mining", "getblocktemplate", &getblocktemplate, true }, |
|
{ "mining", "submitblock", &submitblock, true }, |
|
|
|
{ "generating", "generate", &generate, true }, |
|
{ "generating", "generatetoaddress", &generatetoaddress, true }, |
|
|
|
{ "util", "estimatefee", &estimatefee, true }, |
|
{ "util", "estimatepriority", &estimatepriority, true }, |
|
{ "util", "estimatesmartfee", &estimatesmartfee, true }, |
|
{ "util", "estimatesmartpriority", &estimatesmartpriority, true }, |
|
}; |
|
|
|
void RegisterMiningRPCCommands(CRPCTable &tableRPC) |
|
{ |
|
for (unsigned int vcidx = 0; vcidx < ARRAYLEN(commands); vcidx++) |
|
tableRPC.appendCommand(commands[vcidx].name, &commands[vcidx]); |
|
}
|
|
|