// Copyright (c) 2010 Satoshi Nakamoto // Copyright (c) 2009-2014 The Bitcoin Core developers // Copyright (c) 2019-2020 The Hush developers // Distributed under the GPLv3 software license, see the accompanying // file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html /****************************************************************************** * Copyright © 2014-2019 The SuperNET Developers. * * * * See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at * * the top-level directory of this distribution for the individual copyright * * holder information and the developer policies on copyright and licensing. * * * * Unless otherwise agreed in a custom licensing agreement, no part of the * * SuperNET software, including this file may be copied, modified, propagated * * or distributed except according to the terms contained in the LICENSE file * * * * Removal or modification of this copyright notice is prohibited. * * * ******************************************************************************/ #include "amount.h" #include "chainparams.h" #include "consensus/consensus.h" #include "consensus/validation.h" #include "core_io.h" #ifdef ENABLE_MINING #include "crypto/equihash.h" #endif #include "init.h" #include "main.h" #include "metrics.h" #include "miner.h" #include "net.h" #include "pow.h" #include "rpc/server.h" #include "txmempool.h" #include "util.h" #include "validationinterface.h" #ifdef ENABLE_WALLET #include "wallet/wallet.h" #endif #include #include #include using namespace std; #include "komodo_defs.h" extern int32_t ASSETCHAINS_FOUNDERS; uint64_t komodo_commission(const CBlock *pblock,int32_t height); int32_t komodo_blockload(CBlock& block,CBlockIndex *pindex); arith_uint256 komodo_PoWtarget(int32_t *percPoSp,arith_uint256 target,int32_t height,int32_t goalperc); /** * Return average network hashes per second based on the last 'lookup' blocks, * or over the difficulty averaging window if 'lookup' is nonpositive. * If 'height' is nonnegative, compute the estimate at the time when a given block was found. */ int64_t GetNetworkHashPS(int lookup, int height) { CBlockIndex *pb = chainActive.LastTip(); if (height >= 0 && height < chainActive.Height()) pb = chainActive[height]; if (pb == NULL || !pb->GetHeight()) return 0; // If lookup is nonpositive, then use difficulty averaging window. if (lookup <= 0) lookup = Params().GetConsensus().nPowAveragingWindow; // If lookup is larger than chain, then set it to chain length. if (lookup > pb->GetHeight()) lookup = pb->GetHeight(); CBlockIndex *pb0 = pb; int64_t minTime = pb0->GetBlockTime(); int64_t maxTime = minTime; for (int i = 0; i < lookup; i++) { pb0 = pb0->pprev; int64_t time = pb0->GetBlockTime(); minTime = std::min(time, minTime); maxTime = std::max(time, maxTime); } // In case there's a situation where minTime == maxTime, we don't want a divide by zero exception. if (minTime == maxTime) return 0; arith_uint256 workDiff = pb->chainPower.chainWork - pb0->chainPower.chainWork; int64_t timeDiff = maxTime - minTime; return (int64_t)(workDiff.getdouble() / timeDiff); } UniValue getlocalsolps(const UniValue& params, bool fHelp, const CPubKey& mypk) { if (fHelp) throw runtime_error( "getlocalsolps\n" "\nReturns the average local solutions per second since this node was started.\n" "This is the same information shown on the metrics screen (if enabled).\n" "\nResult:\n" "xxx.xxxxx (numeric) Solutions per second average\n" "\nExamples:\n" + HelpExampleCli("getlocalsolps", "") + HelpExampleRpc("getlocalsolps", "") ); LOCK(cs_main); return GetLocalSolPS(); } UniValue getnetworksolps(const UniValue& params, bool fHelp, const CPubKey& mypk) { if (fHelp || params.size() > 2) throw runtime_error( "getnetworksolps ( blocks height )\n" "\nReturns the estimated network solutions per second based on the last n blocks.\n" "Pass in [blocks] to override # of blocks, -1 specifies over difficulty averaging window.\n" "Pass in [height] to estimate the network speed at the time when a certain block was found.\n" "\nArguments:\n" "1. blocks (numeric, optional, default=120) The number of blocks, or -1 for blocks over difficulty averaging window.\n" "2. height (numeric, optional, default=-1) To estimate at the time of the given height.\n" "\nResult:\n" "x (numeric) Solutions per second estimated\n" "\nExamples:\n" + HelpExampleCli("getnetworksolps", "") + HelpExampleRpc("getnetworksolps", "") ); LOCK(cs_main); return GetNetworkHashPS(params.size() > 0 ? params[0].get_int() : 120, params.size() > 1 ? params[1].get_int() : -1); } UniValue getnetworkhashps(const UniValue& params, bool fHelp, const CPubKey& mypk) { if (fHelp || params.size() > 2) throw runtime_error( "getnetworkhashps ( blocks height )\n" "\nDEPRECATED - left for backwards-compatibility. Use getnetworksolps instead.\n" "\nReturns the estimated network solutions per second based on the last n blocks.\n" "Pass in [blocks] to override # of blocks, -1 specifies over difficulty averaging window.\n" "Pass in [height] to estimate the network speed at the time when a certain block was found.\n" "\nArguments:\n" "1. blocks (numeric, optional, default=120) The number of blocks, or -1 for blocks over difficulty averaging window.\n" "2. height (numeric, optional, default=-1) To estimate at the time of the given height.\n" "\nResult:\n" "x (numeric) Solutions per second estimated\n" "\nExamples:\n" + HelpExampleCli("getnetworkhashps", "") + HelpExampleRpc("getnetworkhashps", "") ); LOCK(cs_main); return GetNetworkHashPS(params.size() > 0 ? params[0].get_int() : 120, params.size() > 1 ? params[1].get_int() : -1); } #ifdef ENABLE_MINING extern bool VERUS_MINTBLOCKS; UniValue getgenerate(const UniValue& params, bool fHelp, const CPubKey& mypk) { if (fHelp || params.size() != 0) throw runtime_error( "getgenerate\n" "\nReturn if the server is set to mine coins or not. The default is false.\n" "It is set with the command line argument -gen (or HUSH3.conf setting gen).\n" "It can also be set with the setgenerate call.\n" "\nResult\n" "{\n" " \"generate\": true|false (boolean) If mining is on or off (see setgenerate)\n" " \"numthreads\": n (numeric) The processor limit for mining. (see setgenerate)\n" "}\n" "\nExamples:\n" + HelpExampleCli("getgenerate", "") + HelpExampleRpc("getgenerate", "") ); LOCK(cs_main); UniValue obj(UniValue::VOBJ); obj.push_back(Pair("generate", GetBoolArg("-gen", false) && GetBoolArg("-genproclimit", -1) != 0 )); obj.push_back(Pair("numthreads", (int64_t)KOMODO_MININGTHREADS)); return obj; } extern uint8_t NOTARY_PUBKEY33[33]; //Value generate(const Array& params, bool fHelp) UniValue generate(const UniValue& params, bool fHelp, const CPubKey& mypk) { if (fHelp || params.size() < 1 || params.size() > 1) throw runtime_error( "generate numblocks\n" "\nMine blocks immediately (before the RPC call returns)\n" "\nNote: this function can only be used on the regtest network\n" "\nArguments:\n" "1. numblocks (numeric) How many blocks are generated immediately.\n" "\nResult\n" "[ blockhashes ] (array) hashes of blocks generated\n" "\nExamples:\n" "\nGenerate 11 blocks\n" + HelpExampleCli("generate", "11") ); if (GetArg("-mineraddress", "").empty()) { #ifdef ENABLE_WALLET if (!pwalletMain) { throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Wallet disabled and -mineraddress not set"); } #else throw JSONRPCError(RPC_METHOD_NOT_FOUND, "komodod compiled without wallet and -mineraddress not set"); #endif } if (!Params().MineBlocksOnDemand()) { if ( params[0].get_int() == 1 ) { mapArgs["disablemining"] = "1"; throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Mining Disabled"); } else { mapArgs["disablemining"] = "0"; throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Mining Enabled"); } } int nHeightStart = 0; int nHeightEnd = 0; int nHeight = 0; int nGenerate = params[0].get_int(); #ifdef ENABLE_WALLET CReserveKey reservekey(pwalletMain); #endif { // Don't keep cs_main locked LOCK(cs_main); nHeightStart = chainActive.Height(); nHeight = nHeightStart; nHeightEnd = nHeightStart+nGenerate; } unsigned int nExtraNonce = 0; UniValue blockHashes(UniValue::VARR); unsigned int n = Params().EquihashN(); unsigned int k = Params().EquihashK(); uint64_t lastTime = 0; while (nHeight < nHeightEnd) { // Validation may fail if block generation is too fast if (GetTime() == lastTime) MilliSleep(1001); lastTime = GetTime(); #ifdef ENABLE_WALLET std::unique_ptr pblocktemplate(CreateNewBlockWithKey(reservekey,nHeight,KOMODO_MAXGPUCOUNT)); #else std::unique_ptr pblocktemplate(CreateNewBlockWithKey()); #endif if (!pblocktemplate.get()) throw JSONRPCError(RPC_INTERNAL_ERROR, "Wallet keypool empty"); CBlock *pblock = &pblocktemplate->block; { LOCK(cs_main); IncrementExtraNonce(pblock, chainActive.LastTip(), nExtraNonce); } // Hash state crypto_generichash_blake2b_state eh_state; EhInitialiseState(n, k, eh_state); // I = the block header minus nonce and solution. CEquihashInput I{*pblock}; CDataStream ss(SER_NETWORK, PROTOCOL_VERSION); ss << I; // H(I||... crypto_generichash_blake2b_update(&eh_state, (unsigned char*)&ss[0], ss.size()); while (true) { // Yes, there is a chance every nonce could fail to satisfy the -regtest // target -- 1 in 2^(2^256). That ain't gonna happen pblock->nNonce = ArithToUint256(UintToArith256(pblock->nNonce) + 1); // H(I||V||... crypto_generichash_blake2b_state curr_state; curr_state = eh_state; crypto_generichash_blake2b_update(&curr_state, pblock->nNonce.begin(), pblock->nNonce.size()); // (x_1, x_2, ...) = A(I, V, n, k) std::function)> validBlock = [&pblock](std::vector soln) { LOCK(cs_main); pblock->nSolution = soln; solutionTargetChecks.increment(); return CheckProofOfWork(*pblock,NOTARY_PUBKEY33,chainActive.Height(),Params().GetConsensus()); }; bool found = EhBasicSolveUncancellable(n, k, curr_state, validBlock); ehSolverRuns.increment(); if (found) { goto endloop; } } endloop: CValidationState state; if (!ProcessNewBlock(1,chainActive.LastTip()->GetHeight()+1,state, NULL, pblock, true, NULL)) throw JSONRPCError(RPC_INTERNAL_ERROR, "ProcessNewBlock, block not accepted"); ++nHeight; blockHashes.push_back(pblock->GetHash().GetHex()); } return blockHashes; } UniValue setgenerate(const UniValue& params, bool fHelp, const CPubKey& mypk) { if (fHelp || params.size() < 1 || params.size() > 2) throw runtime_error( "setgenerate generate ( genproclimit )\n" "\nSet 'generate' true to turn mining/generation on or false turn both off.\n" "Mining is limited to 'genproclimit' processors, -1 is unlimited\n" "See the getgenerate call for the current setting.\n" "\nArguments:\n" "1. generate (boolean, required) Set to true to turn on generation, off to turn off.\n" "2. genproclimit (numeric, optional) Set processor limit when generation is on. Can be -1 for unlimited.\n" "\nExamples:\n" "\nSet the generation on with a limit of one processor\n" + HelpExampleCli("setgenerate", "true 1") + "\nCheck the setting\n" + HelpExampleCli("getgenerate", "") + "\nUsing json rpc\n" + HelpExampleRpc("setgenerate", "true, 1") ); if (GetArg("-mineraddress", "").empty()) { #ifdef ENABLE_WALLET if (!pwalletMain) { throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Wallet disabled and -mineraddress not set"); } #else throw JSONRPCError(RPC_METHOD_NOT_FOUND, "komodod compiled without wallet and -mineraddress not set"); #endif } if (Params().MineBlocksOnDemand()) throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Use the generate method instead of setgenerate on this network"); bool fGenerate = true; if (params.size() > 0) fGenerate = params[0].get_bool(); int nGenProcLimit = GetArg("-genproclimit", 0);; if (params.size() > 1) { nGenProcLimit = params[1].get_int(); //if (nGenProcLimit == 0) // fGenerate = false; } KOMODO_MININGTHREADS = (int32_t)nGenProcLimit; fprintf(stderr,"%s:KOMODO_MININGTHREADS=%d\n", __FUNCTION__, KOMODO_MININGTHREADS); mapArgs["-gen"] = (fGenerate ? "1" : "0"); mapArgs ["-genproclimit"] = itostr(KOMODO_MININGTHREADS); #ifdef ENABLE_WALLET GenerateBitcoins(fGenerate, pwalletMain, nGenProcLimit); #else GenerateBitcoins(fGenerate, nGenProcLimit); #endif return NullUniValue; } #endif CBlockIndex *komodo_chainactive(int32_t height); arith_uint256 zawy_ctB(arith_uint256 bnTarget,uint32_t solvetime); UniValue genminingCSV(const UniValue& params, bool fHelp, const CPubKey& mypk) { int32_t i,z,height; uint32_t solvetime,prevtime=0; FILE *fp; char str[65],str2[65],fname[256]; uint256 hash; arith_uint256 bnTarget; CBlockIndex *pindex; bool fNegative,fOverflow; UniValue result(UniValue::VOBJ); if (fHelp || params.size() != 0 ) throw runtime_error("genminingCSV\n"); LOCK(cs_main); sprintf(fname,"%s_mining.csv",ASSETCHAINS_SYMBOL[0] == 0 ? "KMD" : ASSETCHAINS_SYMBOL); if ( (fp= fopen(fname,"wb")) != 0 ) { fprintf(fp,"height,nTime,nBits,bnTarget,bnTargetB,diff,solvetime\n"); height = komodo_nextheight(); for (i=0; inBits,&fNegative,&fOverflow); solvetime = (prevtime==0) ? 0 : (int32_t)(pindex->nTime - prevtime); for (z=0; z<16; z++) sprintf(&str[z<<1],"%02x",((uint8_t *)&bnTarget)[31-z]); str[32] = 0; //hash = pindex->GetBlockHash(); memset(&hash,0,sizeof(hash)); if ( i >= 64 && (pindex->nBits & 3) != 0 ) hash = ArithToUint256(zawy_ctB(bnTarget,solvetime)); for (z=0; z<16; z++) sprintf(&str2[z<<1],"%02x",((uint8_t *)&hash)[31-z]); str2[32] = 0; fprintf(fp,"%d,%u,%08x,%s,%s,%.1f,%d\n",i,pindex->nTime,pindex->nBits,str,str2,GetDifficulty(pindex),solvetime); prevtime = pindex->nTime; } } fclose(fp); result.push_back(Pair("result", "success")); result.push_back(Pair("created", fname)); } else { result.push_back(Pair("result", "success")); result.push_back(Pair("error", "couldnt create mining.csv")); result.push_back(Pair("filename", fname)); } return(result); } UniValue getmininginfo(const UniValue& params, bool fHelp, const CPubKey& mypk) { if (fHelp || params.size() != 0) throw runtime_error( "getmininginfo\n" "\nReturns a json object containing mining-related information." "\nResult:\n" "{\n" " \"blocks\": nnn, (numeric) The current block\n" " \"currentblocksize\": nnn, (numeric) The last block size\n" " \"currentblocktx\": nnn, (numeric) The last block transaction\n" " \"difficulty\": xxx.xxxxx (numeric) The current difficulty\n" " \"errors\": \"...\" (string) Current errors\n" " \"generate\": true|false (boolean) If the generation is on or off (see getgenerate or setgenerate calls)\n" " \"genproclimit\": n (numeric) The processor limit for generation. -1 if no generation. (see getgenerate or setgenerate calls)\n" " \"localsolps\": xxx.xxxxx (numeric) The average local solution rate in Sol/s since this node was started\n" " \"networksolps\": x (numeric) The estimated network solution rate in Sol/s\n" " \"pooledtx\": n (numeric) The size of the mem pool\n" " \"testnet\": true|false (boolean) If using testnet or not\n" " \"chain\": \"xxxx\", (string) current network name as defined in BIP70 (main, test, regtest)\n" "}\n" "\nExamples:\n" + HelpExampleCli("getmininginfo", "") + HelpExampleRpc("getmininginfo", "") ); LOCK(cs_main); UniValue obj(UniValue::VOBJ); obj.push_back(Pair("blocks", (int)chainActive.Height())); obj.push_back(Pair("currentblocksize", (uint64_t)nLastBlockSize)); obj.push_back(Pair("currentblocktx", (uint64_t)nLastBlockTx)); obj.push_back(Pair("difficulty", (double)GetNetworkDifficulty())); obj.push_back(Pair("errors", GetWarnings("statusbar"))); obj.push_back(Pair("genproclimit", (int)GetArg("-genproclimit", -1))); if (ASSETCHAINS_ALGO == ASSETCHAINS_EQUIHASH) { obj.push_back(Pair("localsolps" , getlocalsolps(params, false, mypk))); obj.push_back(Pair("networksolps", getnetworksolps(params, false, mypk))); } else { obj.push_back(Pair("localhashps" , GetBoolArg("-gen", false) ? getlocalsolps(params, false, mypk) : (double)0.0)); } obj.push_back(Pair("networkhashps", getnetworksolps(params, false, mypk))); obj.push_back(Pair("pooledtx", (uint64_t)mempool.size())); obj.push_back(Pair("testnet", Params().TestnetToBeDeprecatedFieldRPC())); obj.push_back(Pair("chain", Params().NetworkIDString())); #ifdef ENABLE_MINING obj.push_back(Pair("generate", GetBoolArg("-gen", false) && GetBoolArg("-genproclimit", -1) != 0 )); obj.push_back(Pair("numthreads", (int64_t)KOMODO_MININGTHREADS)); #endif return obj; } // NOTE: Unlike wallet RPC (which use BTC values), mining RPCs follow GBT (BIP 22) in using satoshi amounts UniValue prioritisetransaction(const UniValue& params, bool fHelp, const CPubKey& mypk) { if (fHelp || params.size() != 3) throw runtime_error( "prioritisetransaction \n" "Accepts the transaction into mined blocks at a higher (or lower) priority\n" "\nArguments:\n" "1. \"txid\" (string, required) The transaction id.\n" "2. priority delta (numeric, required) The priority to add or subtract.\n" " The transaction selection algorithm considers the tx as it would have a higher priority.\n" " (priority of a transaction is calculated: coinage * value_in_satoshis / txsize) \n" "3. fee delta (numeric, required) The fee value (in satoshis) to add (or subtract, if negative).\n" " The fee is not actually paid, only the algorithm for selecting transactions into a block\n" " considers the transaction as it would have paid a higher (or lower) fee.\n" "\nResult\n" "true (boolean) Returns true\n" "\nExamples:\n" + HelpExampleCli("prioritisetransaction", "\"txid\" 0.0 10000") + HelpExampleRpc("prioritisetransaction", "\"txid\", 0.0, 10000") ); LOCK(cs_main); uint256 hash = ParseHashStr(params[0].get_str(), "txid"); CAmount nAmount = params[2].get_int64(); mempool.PrioritiseTransaction(hash, params[0].get_str(), params[1].get_real(), nAmount); return true; } // NOTE: Assumes a conclusive result; if result is inconclusive, it must be handled by caller static UniValue BIP22ValidationResult(const CValidationState& state) { if (state.IsValid()) return NullUniValue; std::string strRejectReason = state.GetRejectReason(); if (state.IsError()) throw JSONRPCError(RPC_VERIFY_ERROR, strRejectReason); if (state.IsInvalid()) { if (strRejectReason.empty()) return "rejected"; return strRejectReason; } // Should be impossible return "valid?"; } UniValue getblocktemplate(const UniValue& params, bool fHelp, const CPubKey& mypk) { if (fHelp || params.size() > 1) throw runtime_error( "getblocktemplate ( \"jsonrequestobject\" )\n" "\nIf the request parameters include a 'mode' key, that is used to explicitly select between the default 'template' request or a 'proposal'.\n" "It returns data needed to construct a block to work on.\n" "See https://en.bitcoin.it/wiki/BIP_0022 for full specification.\n" "\nArguments:\n" "1. \"jsonrequestobject\" (string, optional) A json object in the following spec\n" " {\n" " \"mode\":\"template\" (string, optional) This must be set to \"template\" or omitted\n" " \"capabilities\":[ (array, optional) A list of strings\n" " \"support\" (string) client side supported feature, 'longpoll', 'coinbasetxn', 'coinbasevalue', 'proposal', 'serverlist', 'workid'\n" " ,...\n" " ]\n" " }\n" "\n" "\nResult:\n" "{\n" " \"version\" : n, (numeric) The block version\n" " \"previousblockhash\" : \"xxxx\", (string) The hash of current highest block\n" " \"finalsaplingroothash\" : \"xxxx\", (string) The hash of the final sapling root\n" " \"transactions\" : [ (array) contents of non-coinbase transactions that should be included in the next block\n" " {\n" " \"data\" : \"xxxx\", (string) transaction data encoded in hexadecimal (byte-for-byte)\n" " \"hash\" : \"xxxx\", (string) hash/id encoded in little-endian hexadecimal\n" " \"depends\" : [ (array) array of numbers \n" " 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" " ,...\n" " ],\n" " \"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" " \"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" " \"required\" : true|false (boolean) if provided and true, this transaction must be in the final block\n" " }\n" " ,...\n" " ],\n" // " \"coinbaseaux\" : { (json object) data that should be included in the coinbase's scriptSig content\n" // " \"flags\" : \"flags\" (string) \n" // " },\n" // " \"coinbasevalue\" : n, (numeric) maximum allowable input to coinbase transaction, including the generation award and transaction fees (in Satoshis)\n" " \"coinbasetxn\" : { ... }, (json object) information for coinbase transaction\n" " \"target\" : \"xxxx\", (string) The hash target\n" " \"mintime\" : xxx, (numeric) The minimum timestamp appropriate for next block time in seconds since epoch (Jan 1 1970 GMT)\n" " \"mutable\" : [ (array of string) list of ways the block template may be changed \n" " \"value\" (string) A way the block template may be changed, e.g. 'time', 'transactions', 'prevblock'\n" " ,...\n" " ],\n" " \"noncerange\" : \"00000000ffffffff\", (string) A range of valid nonces\n" " \"sigoplimit\" : n, (numeric) limit of sigops in blocks\n" " \"sizelimit\" : n, (numeric) limit of block size\n" " \"curtime\" : ttt, (numeric) current timestamp in seconds since epoch (Jan 1 1970 GMT)\n" " \"bits\" : \"xxx\", (string) compressed target of next block\n" " \"height\" : n (numeric) The height of the next block\n" "}\n" "\nExamples:\n" + HelpExampleCli("getblocktemplate", "") + HelpExampleRpc("getblocktemplate", "") ); LOCK(cs_main); // Wallet or miner address is required because we support coinbasetxn if (GetArg("-mineraddress", "").empty()) { #ifdef ENABLE_WALLET if (!pwalletMain) { throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Wallet disabled and -mineraddress not set"); } #else throw JSONRPCError(RPC_METHOD_NOT_FOUND, "komodod compiled without wallet and -mineraddress not set"); #endif } if ( GetArg("disablemining",false) ) throw JSONRPCError(RPC_TYPE_ERROR, "Mining is Disabled"); UniValue lpval = NullUniValue; // TODO: Re-enable coinbasevalue once a specification has been written bool coinbasetxn = true; std::string strMode; if (params.size() > 0) { const UniValue& oparam = params[0].get_obj(); const UniValue& modeval = find_value(oparam, "mode"); if (modeval.isStr()) strMode = modeval.get_str(); else if (modeval.isNull()) { strMode = "template"; } else throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid mode"); lpval = find_value(oparam, "longpollid"); if (strMode == "disablecb") coinbasetxn = false; if (strMode == "proposal") { const UniValue& dataval = find_value(oparam, "data"); if (!dataval.isStr()) throw JSONRPCError(RPC_TYPE_ERROR, "Missing data String key for proposal"); CBlock block; if (!DecodeHexBlk(block, dataval.get_str())) throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Block decode failed"); uint256 hash = block.GetHash(); BlockMap::iterator mi = mapBlockIndex.find(hash); if (mi != mapBlockIndex.end()) { CBlockIndex *pindex = mi->second; if (pindex) { if (pindex->IsValid(BLOCK_VALID_SCRIPTS)) return "duplicate"; if (pindex->nStatus & BLOCK_FAILED_MASK) return "duplicate-invalid"; } return "duplicate-inconclusive"; } CBlockIndex* const pindexPrev = chainActive.LastTip(); // TestBlockValidity only supports blocks built on the current Tip if (block.hashPrevBlock != pindexPrev->GetBlockHash()) return "inconclusive-not-best-prevblk"; CValidationState state; TestBlockValidity(state, block, pindexPrev, false, true); return BIP22ValidationResult(state); } } else { strMode = "template"; } bool fvNodesEmpty; { LOCK(cs_vNodes); fvNodesEmpty = vNodes.empty(); } if (Params().MiningRequiresPeers() && (IsNotInSync() || fvNodesEmpty)) { throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Cannot get a block template while no peers are connected or chain not in sync!"); } static unsigned int nTransactionsUpdatedLast; if (!lpval.isNull()) { // Wait to respond until either the best block changes, OR a minute has passed and there are more transactions uint256 hashWatchedChain; boost::system_time checktxtime; unsigned int nTransactionsUpdatedLastLP; if (lpval.isStr()) { // Format: std::string lpstr = lpval.get_str(); hashWatchedChain.SetHex(lpstr.substr(0, 64)); nTransactionsUpdatedLastLP = atoi64(lpstr.substr(64)); } else { // NOTE: Spec does not specify behaviour for non-string longpollid, but this makes testing easier hashWatchedChain = chainActive.LastTip()->GetBlockHash(); nTransactionsUpdatedLastLP = nTransactionsUpdatedLast; } // Release the wallet and main lock while waiting LEAVE_CRITICAL_SECTION(cs_main); { checktxtime = boost::get_system_time() + boost::posix_time::minutes(1); boost::unique_lock lock(csBestBlock); while (chainActive.LastTip()->GetBlockHash() == hashWatchedChain && IsRPCRunning()) { if (!cvBlockChange.timed_wait(lock, checktxtime)) { // Timeout: Check transactions for update if (mempool.GetTransactionsUpdated() != nTransactionsUpdatedLastLP) break; checktxtime += boost::posix_time::seconds(10); } } } ENTER_CRITICAL_SECTION(cs_main); if (!IsRPCRunning()) throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Shutting down"); // TODO: Maybe recheck connections/IBD and (if something wrong) send an expires-immediately template to stop miners? } // Update block static CBlockIndex* pindexPrev; static int64_t nStart; static CBlockTemplate* pblocktemplate; if (pindexPrev != chainActive.LastTip() || (mempool.GetTransactionsUpdated() != 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 CreateNewBlockWithKey, to avoid races nTransactionsUpdatedLast = mempool.GetTransactionsUpdated(); CBlockIndex* pindexPrevNew = chainActive.LastTip(); nStart = GetTime(); // Create new block if(pblocktemplate) { delete pblocktemplate; pblocktemplate = NULL; } #ifdef ENABLE_WALLET CReserveKey reservekey(pwalletMain); LEAVE_CRITICAL_SECTION(cs_main); pblocktemplate = CreateNewBlockWithKey(reservekey,pindexPrevNew->GetHeight()+1,KOMODO_MAXGPUCOUNT,false); #else pblocktemplate = CreateNewBlockWithKey(); #endif ENTER_CRITICAL_SECTION(cs_main); if (!pblocktemplate) throw std::runtime_error("CreateNewBlock(): create block failed"); //throw JSONRPCError(RPC_OUT_OF_MEMORY, "Out of memory or no available utxo for staking"); // Need to update only after we know CreateNewBlockWithKey succeeded pindexPrev = pindexPrevNew; } CBlock* pblock = &pblocktemplate->block; // pointer for convenience // Update nTime UpdateTime(pblock, Params().GetConsensus(), pindexPrev); pblock->nNonce = uint256(); UniValue aCaps(UniValue::VARR); aCaps.push_back("proposal"); UniValue txCoinbase = NullUniValue; UniValue transactions(UniValue::VARR); map setTxIndex; int i = 0; BOOST_FOREACH (const CTransaction& tx, pblock->vtx) { uint256 txHash = tx.GetHash(); setTxIndex[txHash] = i++; //if (tx.IsCoinBase() && !coinbasetxn) // 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])); if (tx.IsCoinBase() && coinbasetxn == true ) { // Show founders' reward if it is required if (ASSETCHAINS_FOUNDERS && pblock->vtx[0].vout.size() > 1) { // Correct this if GetBlockTemplate changes the order entry.push_back(Pair("foundersreward", (int64_t)tx.vout[1].nValue)); } CAmount nReward = GetBlockSubsidy(chainActive.LastTip()->GetHeight()+1, Params().GetConsensus()); entry.push_back(Pair("coinbasevalue", nReward)); entry.push_back(Pair("required", true)); txCoinbase = entry; } else 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("finalsaplingroothash", pblock->hashFinalSaplingRoot.GetHex())); result.push_back(Pair("transactions", transactions)); if (coinbasetxn) { assert(txCoinbase.isObject()); result.push_back(Pair("coinbasetxn", txCoinbase)); } // else { // 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.LastTip()->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(chainActive.LastTip()->GetHeight()+1))); result.push_back(Pair("curtime", pblock->GetBlockTime())); result.push_back(Pair("bits", strprintf("%08x", pblock->nBits))); result.push_back(Pair("height", (int64_t)(pindexPrev->GetHeight()+1))); //fprintf(stderr,"return complete template\n"); 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, const CPubKey& mypk) { 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" "\"duplicate\" - node already has valid copy of block\n" "\"duplicate-invalid\" - node already has block, but it is invalid\n" "\"duplicate-inconclusive\" - node already has block but has not validated it\n" "\"inconclusive\" - node has not validated the block, it may not be on the node's current best chain\n" "\"rejected\" - block was rejected as invalid\n" "For more information on submitblock parameters and results, see: https://github.com/bitcoin/bips/blob/master/bip-0022.mediawiki#block-submission\n" "\nExamples:\n" + HelpExampleCli("submitblock", "\"mydata\"") + HelpExampleRpc("submitblock", "\"mydata\"") ); CBlock block; //LogPrintStr("Hex block submission: " + params[0].get_str()); 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) { 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); //printf("submitblock, height=%d, coinbase sequence: %d, scriptSig: %s\n", chainActive.LastTip()->GetHeight()+1, block.vtx[0].vin[0].nSequence, block.vtx[0].vin[0].scriptSig.ToString().c_str()); bool fAccepted = ProcessNewBlock(1,chainActive.LastTip()->GetHeight()+1,state, 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, const CPubKey& mypk) { if (fHelp || params.size() != 1) throw runtime_error( "estimatefee nblocks\n" "\nEstimates the approximate fee per kilobyte\n" "needed for a transaction to begin confirmation\n" "within nblocks blocks.\n" "\nArguments:\n" "1. nblocks (numeric)\n" "\nResult:\n" "n : (numeric) estimated fee-per-kilobyte\n" "\n" "-1.0 is returned if not enough transactions and\n" "blocks 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, const CPubKey& mypk) { if (fHelp || params.size() != 1) throw runtime_error( "estimatepriority nblocks\n" "\nEstimates the approximate priority\n" "a zero-fee transaction needs to begin confirmation\n" "within nblocks blocks.\n" "\nArguments:\n" "1. nblocks (numeric)\n" "\nResult:\n" "n : (numeric) estimated priority\n" "\n" "-1.0 is returned if not enough transactions and\n" "blocks 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 getblocksubsidy(const UniValue& params, bool fHelp, const CPubKey& mypk) { if (fHelp || params.size() > 1) throw runtime_error( "getblocksubsidy height\n" "\nReturns block subsidy reward, taking into account the mining slow start and the founders reward, of block at index provided.\n" "\nArguments:\n" "1. height (numeric, optional) The block height. If not provided, defaults to the current height of the chain.\n" "\nResult:\n" "{\n" " \"miner\" : x.xxx (numeric) The mining reward amount in HUSH.\n" " \"ac_pubkey\" : x.xxx (numeric) The mining reward amount in HUSH.\n" "}\n" "\nExamples:\n" + HelpExampleCli("getblocksubsidy", "1000") + HelpExampleRpc("getblocksubsidy", "1000") ); LOCK(cs_main); int nHeight = (params.size()==1) ? params[0].get_int() : chainActive.Height(); if (nHeight < 0) throw JSONRPCError(RPC_INVALID_PARAMETER, "Block height out of range"); CAmount nFoundersReward = 0; CAmount nReward = GetBlockSubsidy(nHeight, Params().GetConsensus()); UniValue result(UniValue::VOBJ); result.push_back(Pair("miner", ValueFromAmount(nReward))); if ( strlen(ASSETCHAINS_OVERRIDE_PUBKEY.c_str()) == 66 || ASSETCHAINS_SCRIPTPUB.size() > 1 ) { if ( ASSETCHAINS_FOUNDERS == 0 && ASSETCHAINS_COMMISSION != 0 ) { // ac comission chains need the block to exist to calulate the reward. if ( nHeight <= chainActive.Height() ) { CBlockIndex* pblockIndex = chainActive[nHeight]; CBlock block; if ( komodo_blockload(block, pblockIndex) == 0 ) nFoundersReward = komodo_commission(&block, nHeight); } } else if ( ASSETCHAINS_FOUNDERS != 0 ) { // Assetchains founders chains have a fixed reward so can be calculated at any given height. nFoundersReward = komodo_commission(0, nHeight); } result.push_back(Pair("ac_pubkey", ValueFromAmount(nFoundersReward))); } return result; } static const CRPCCommand commands[] = { // category name actor (function) okSafeMode // --------------------- ------------------------ ----------------------- ---------- { "mining", "getlocalsolps", &getlocalsolps, true }, { "mining", "getnetworksolps", &getnetworksolps, true }, { "mining", "getnetworkhashps", &getnetworkhashps, true }, { "mining", "getmininginfo", &getmininginfo, true }, { "mining", "prioritisetransaction", &prioritisetransaction, true }, { "mining", "getblocktemplate", &getblocktemplate, true }, { "mining", "submitblock", &submitblock, true }, { "mining", "getblocksubsidy", &getblocksubsidy, true }, #ifdef ENABLE_MINING { "generating", "getgenerate", &getgenerate, true }, { "generating", "setgenerate", &setgenerate, true }, { "generating", "generate", &generate, true }, #endif { "util", "estimatefee", &estimatefee, true }, { "util", "estimatepriority", &estimatepriority, true }, }; void RegisterMiningRPCCommands(CRPCTable &tableRPC) { for (unsigned int vcidx = 0; vcidx < ARRAYLEN(commands); vcidx++) tableRPC.appendCommand(commands[vcidx].name, &commands[vcidx]); }