diff options
Diffstat (limited to 'src/rpc/mining.cpp')
| -rw-r--r-- | src/rpc/mining.cpp | 290 |
1 files changed, 192 insertions, 98 deletions
diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp index fec0987a4c..2bd52eadbc 100644 --- a/src/rpc/mining.cpp +++ b/src/rpc/mining.cpp @@ -3,10 +3,12 @@ // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. +#include "base58.h" #include "amount.h" #include "chain.h" #include "chainparams.h" #include "consensus/consensus.h" +#include "consensus/params.h" #include "consensus/validation.h" #include "core_io.h" #include "init.h" @@ -93,59 +95,12 @@ UniValue getnetworkhashps(const UniValue& params, bool fHelp) return GetNetworkHashPS(params.size() > 0 ? params[0].get_int() : 120, params.size() > 1 ? params[1].get_int() : -1); } -UniValue getgenerate(const UniValue& params, bool fHelp) +UniValue generateBlocks(boost::shared_ptr<CReserveScript> coinbaseScript, int nGenerate, uint64_t nMaxTries, bool keepScript) { - if (fHelp || params.size() != 0) - throw runtime_error( - "getgenerate\n" - "\nReturn if the server is set to generate coins or not. The default is false.\n" - "It is set with the command line argument -gen (or " + std::string(BITCOIN_CONF_FILENAME) + " setting gen)\n" - "It can also be set with the setgenerate call.\n" - "\nResult\n" - "true|false (boolean) If the server is set to generate coins or not\n" - "\nExamples:\n" - + HelpExampleCli("getgenerate", "") - + HelpExampleRpc("getgenerate", "") - ); - - LOCK(cs_main); - return GetBoolArg("-gen", DEFAULT_GENERATE); -} - -UniValue generate(const UniValue& params, bool fHelp) -{ - 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, required) 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 (!Params().MineBlocksOnDemand()) - throw JSONRPCError(RPC_METHOD_NOT_FOUND, "This method can only be used on regtest"); - + static const int nInnerLoopCount = 0x10000; int nHeightStart = 0; int nHeightEnd = 0; int nHeight = 0; - int nGenerate = params[0].get_int(); - - boost::shared_ptr<CReserveScript> coinbaseScript; - GetMainSignals().ScriptForMining(coinbaseScript); - - // If the keypool is exhausted, no script is returned at all. Catch this. - if (!coinbaseScript) - throw JSONRPCError(RPC_WALLET_KEYPOOL_RAN_OUT, "Error: Keypool ran out, please call keypoolrefill first"); - - //throw an error if no script was provided - if (coinbaseScript->reserveScript.empty()) - throw JSONRPCError(RPC_INTERNAL_ERROR, "No coinbase script available (mining requires a wallet)"); { // Don't keep cs_main locked LOCK(cs_main); @@ -157,7 +112,7 @@ UniValue generate(const UniValue& params, bool fHelp) UniValue blockHashes(UniValue::VARR); while (nHeight < nHeightEnd) { - auto_ptr<CBlockTemplate> pblocktemplate(CreateNewBlock(Params(), coinbaseScript->reserveScript)); + std::unique_ptr<CBlockTemplate> pblocktemplate(CreateNewBlock(Params(), coinbaseScript->reserveScript)); if (!pblocktemplate.get()) throw JSONRPCError(RPC_INTERNAL_ERROR, "Couldn't create new block"); CBlock *pblock = &pblocktemplate->block; @@ -165,10 +120,15 @@ UniValue generate(const UniValue& params, bool fHelp) LOCK(cs_main); IncrementExtraNonce(pblock, chainActive.Tip(), nExtraNonce); } - while (!CheckProofOfWork(pblock->GetHash(), pblock->nBits, Params().GetConsensus())) { - // Yes, there is a chance every nonce could fail to satisfy the -regtest - // target -- 1 in 2^(2^32). That ain't gonna happen. + while (nMaxTries > 0 && pblock->nNonce < nInnerLoopCount && !CheckProofOfWork(pblock->GetHash(), pblock->nBits, Params().GetConsensus())) { ++pblock->nNonce; + --nMaxTries; + } + if (nMaxTries == 0) { + break; + } + if (pblock->nNonce == nInnerLoopCount) { + continue; } CValidationState state; if (!ProcessNewBlock(state, Params(), NULL, pblock, true, NULL)) @@ -176,54 +136,82 @@ UniValue generate(const UniValue& params, bool fHelp) ++nHeight; blockHashes.push_back(pblock->GetHash().GetHex()); - //mark script as important because it was used at least for one coinbase output - coinbaseScript->KeepScript(); + //mark script as important because it was used at least for one coinbase output if the script came from the wallet + if (keepScript) + { + coinbaseScript->KeepScript(); + } } return blockHashes; } -UniValue setgenerate(const UniValue& params, bool fHelp) +UniValue generate(const UniValue& params, bool fHelp) { if (fHelp || params.size() < 1 || params.size() > 2) throw runtime_error( - "setgenerate generate ( genproclimit )\n" - "\nSet 'generate' true or false to turn generation on or off.\n" - "Generation is limited to 'genproclimit' processors, -1 is unlimited.\n" - "See the getgenerate call for the current setting.\n" + "generate numblocks ( maxtries )\n" + "\nMine up to numblocks blocks immediately (before the RPC call returns)\n" "\nArguments:\n" - "1. generate (boolean, required) Set to true to turn on generation, off to turn off.\n" - "2. genproclimit (numeric, optional) Set the processor limit for when generation is on. Can be -1 for unlimited.\n" + "1. numblocks (numeric, required) How many blocks are generated immediately.\n" + "2. maxtries (numeric, optional) How many iterations to try (default = 1000000).\n" + "\nResult\n" + "[ blockhashes ] (array) hashes of blocks generated\n" "\nExamples:\n" - "\nSet the generation on with a limit of one processor\n" - + HelpExampleCli("setgenerate", "true 1") + - "\nCheck the setting\n" - + HelpExampleCli("getgenerate", "") + - "\nTurn off generation\n" - + HelpExampleCli("setgenerate", "false") + - "\nUsing json rpc\n" - + HelpExampleRpc("setgenerate", "true, 1") + "\nGenerate 11 blocks\n" + + HelpExampleCli("generate", "11") ); - if (Params().MineBlocksOnDemand()) - throw JSONRPCError(RPC_METHOD_NOT_FOUND, "Use the generate method instead of setgenerate on this network"); + int nGenerate = params[0].get_int(); + uint64_t nMaxTries = 1000000; + if (params.size() > 1) { + nMaxTries = params[1].get_int(); + } - bool fGenerate = true; - if (params.size() > 0) - fGenerate = params[0].get_bool(); + boost::shared_ptr<CReserveScript> coinbaseScript; + GetMainSignals().ScriptForMining(coinbaseScript); - int nGenProcLimit = GetArg("-genproclimit", DEFAULT_GENERATE_THREADS); - if (params.size() > 1) - { - nGenProcLimit = params[1].get_int(); - if (nGenProcLimit == 0) - fGenerate = false; + // If the keypool is exhausted, no script is returned at all. Catch this. + if (!coinbaseScript) + throw JSONRPCError(RPC_WALLET_KEYPOOL_RAN_OUT, "Error: Keypool ran out, please call keypoolrefill first"); + + //throw an error if no script was provided + if (coinbaseScript->reserveScript.empty()) + throw JSONRPCError(RPC_INTERNAL_ERROR, "No coinbase script available (mining requires a wallet)"); + + return generateBlocks(coinbaseScript, nGenerate, nMaxTries, true); +} + +UniValue generatetoaddress(const UniValue& params, bool fHelp) +{ + if (fHelp || params.size() < 2 || params.size() > 3) + throw runtime_error( + "generatetoaddress numblocks address (maxtries)\n" + "\nMine blocks immediately to a specified address (before the RPC call returns)\n" + "\nArguments:\n" + "1. numblocks (numeric, required) How many blocks are generated immediately.\n" + "2. address (string, required) The address to send the newly generated bitcoin to.\n" + "3. maxtries (numeric, optional) How many iterations to try (default = 1000000).\n" + "\nResult\n" + "[ blockhashes ] (array) hashes of blocks generated\n" + "\nExamples:\n" + "\nGenerate 11 blocks to myaddress\n" + + HelpExampleCli("generatetoaddress", "11 \"myaddress\"") + ); + + int nGenerate = params[0].get_int(); + uint64_t nMaxTries = 1000000; + if (params.size() > 2) { + nMaxTries = params[2].get_int(); } - mapArgs["-gen"] = (fGenerate ? "1" : "0"); - mapArgs ["-genproclimit"] = itostr(nGenProcLimit); - GenerateBitcoins(fGenerate, nGenProcLimit, Params()); + CBitcoinAddress address(params[1].get_str()); + if (!address.IsValid()) + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Error: Invalid address"); + + boost::shared_ptr<CReserveScript> coinbaseScript(new CReserveScript()); + coinbaseScript->reserveScript = GetScriptForDestination(address.Get()); - return NullUniValue; + return generateBlocks(coinbaseScript, nGenerate, nMaxTries, false); } UniValue getmininginfo(const UniValue& params, bool fHelp) @@ -239,8 +227,6 @@ UniValue getmininginfo(const UniValue& params, bool fHelp) " \"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" " \"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" @@ -259,12 +245,10 @@ UniValue getmininginfo(const UniValue& params, bool fHelp) obj.push_back(Pair("currentblocktx", (uint64_t)nLastBlockTx)); obj.push_back(Pair("difficulty", (double)GetDifficulty())); obj.push_back(Pair("errors", GetWarnings("statusbar"))); - obj.push_back(Pair("genproclimit", (int)GetArg("-genproclimit", DEFAULT_GENERATE_THREADS))); obj.push_back(Pair("networkhashps", getnetworkhashps(params, false))); obj.push_back(Pair("pooledtx", (uint64_t)mempool.size())); obj.push_back(Pair("testnet", Params().TestnetToBeDeprecatedFieldRPC())); obj.push_back(Pair("chain", Params().NetworkIDString())); - obj.push_back(Pair("generate", getgenerate(params, false))); return obj; } @@ -320,6 +304,15 @@ static UniValue BIP22ValidationResult(const CValidationState& state) return "valid?"; } +std::string gbt_vb_name(const Consensus::DeploymentPos pos) { + const struct BIP9DeploymentInfo& vbinfo = VersionBitsDeploymentInfo[pos]; + std::string s = vbinfo.name; + if (!vbinfo.gbt_force) { + s.insert(s.begin(), '!'); + } + return s; +} + UniValue getblocktemplate(const UniValue& params, bool fHelp) { if (fHelp || params.size() > 1) @@ -327,7 +320,9 @@ UniValue getblocktemplate(const UniValue& params, bool fHelp) "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" + "For full specification, see BIPs 22 and 9:\n" + " https://github.com/bitcoin/bips/blob/master/bip-0022.mediawiki\n" + " https://github.com/bitcoin/bips/blob/master/bip-0009.mediawiki#getblocktemplate_changes\n" "\nArguments:\n" "1. \"jsonrequestobject\" (string, optional) A json object in the following spec\n" @@ -343,6 +338,12 @@ UniValue getblocktemplate(const UniValue& params, bool fHelp) "\nResult:\n" "{\n" " \"version\" : n, (numeric) The block version\n" + " \"rules\" : [ \"rulename\", ... ], (array of strings) specific block rules that are to be enforced\n" + " \"vbavailable\" : { (json object) set of pending, supported versionbit (BIP 9) softfork deployments\n" + " \"rulename\" : bitnumber (numeric) identifies the bit number as indicating acceptance and readiness for the named softfork rule\n" + " ,...\n" + " },\n" + " \"vbrequired\" : n, (numeric) bit mask of versionbits the server requires set in submissions\n" " \"previousblockhash\" : \"xxxx\", (string) The hash of current highest block\n" " \"transactions\" : [ (array) contents of non-coinbase transactions that should be included in the next block\n" " {\n" @@ -386,6 +387,8 @@ UniValue getblocktemplate(const UniValue& params, bool fHelp) std::string strMode = "template"; UniValue lpval = NullUniValue; + std::set<std::string> setClientRules; + int64_t nMaxVersionPreVB = -1; if (params.size() > 0) { const UniValue& oparam = params[0].get_obj(); @@ -429,6 +432,20 @@ UniValue getblocktemplate(const UniValue& params, bool fHelp) TestBlockValidity(state, Params(), block, pindexPrev, false, true); return BIP22ValidationResult(state); } + + const UniValue& aClientRules = find_value(oparam, "rules"); + if (aClientRules.isArray()) { + for (unsigned int i = 0; i < aClientRules.size(); ++i) { + const UniValue& v = aClientRules[i]; + setClientRules.insert(v.get_str()); + } + } else { + // NOTE: It is important that this NOT be read if versionbits is supported + const UniValue& uvMaxVersion = find_value(oparam, "maxversion"); + if (uvMaxVersion.isNum()) { + nMaxVersionPreVB = uvMaxVersion.get_int64(); + } + } } if (strMode != "template") @@ -518,9 +535,10 @@ UniValue getblocktemplate(const UniValue& params, bool fHelp) pindexPrev = pindexPrevNew; } CBlock* pblock = &pblocktemplate->block; // pointer for convenience + const Consensus::Params& consensusParams = Params().GetConsensus(); // Update nTime - UpdateTime(pblock, Params().GetConsensus(), pindexPrev); + UpdateTime(pblock, consensusParams, pindexPrev); pblock->nNonce = 0; UniValue aCaps(UniValue::VARR); aCaps.push_back("proposal"); @@ -561,17 +579,69 @@ UniValue getblocktemplate(const UniValue& params, bool fHelp) 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 aMutable(UniValue::VARR); + aMutable.push_back("time"); + aMutable.push_back("transactions"); + aMutable.push_back("prevblock"); UniValue result(UniValue::VOBJ); result.push_back(Pair("capabilities", aCaps)); + + UniValue aRules(UniValue::VARR); + UniValue vbavailable(UniValue::VOBJ); + for (int i = 0; i < (int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; ++i) { + Consensus::DeploymentPos pos = Consensus::DeploymentPos(i); + ThresholdState state = VersionBitsState(pindexPrev, consensusParams, pos, versionbitscache); + switch (state) { + case THRESHOLD_DEFINED: + case THRESHOLD_FAILED: + // Not exposed to GBT at all + break; + case THRESHOLD_LOCKED_IN: + // Ensure bit is set in block version + pblock->nVersion |= VersionBitsMask(consensusParams, pos); + // FALL THROUGH to get vbavailable set... + case THRESHOLD_STARTED: + { + const struct BIP9DeploymentInfo& vbinfo = VersionBitsDeploymentInfo[pos]; + vbavailable.push_back(Pair(gbt_vb_name(pos), consensusParams.vDeployments[pos].bit)); + if (setClientRules.find(vbinfo.name) == setClientRules.end()) { + if (!vbinfo.gbt_force) { + // If the client doesn't support this, don't indicate it in the [default] version + pblock->nVersion &= ~VersionBitsMask(consensusParams, pos); + } + } + break; + } + case THRESHOLD_ACTIVE: + { + // Add to rules only + const struct BIP9DeploymentInfo& vbinfo = VersionBitsDeploymentInfo[pos]; + aRules.push_back(gbt_vb_name(pos)); + if (setClientRules.find(vbinfo.name) == setClientRules.end()) { + // Not supported by the client; make sure it's safe to proceed + if (!vbinfo.gbt_force) { + // If we do anything other than throw an exception here, be sure version/force isn't sent to old clients + throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Support for '%s' rule requires explicit client support", vbinfo.name)); + } + } + break; + } + } + } result.push_back(Pair("version", pblock->nVersion)); + result.push_back(Pair("rules", aRules)); + result.push_back(Pair("vbavailable", vbavailable)); + result.push_back(Pair("vbrequired", int(0))); + + if (nMaxVersionPreVB >= 2) { + // If VB is supported by the client, nMaxVersionPreVB is -1, so we won't get here + // Because BIP 34 changed how the generation transaction is serialised, we can only use version/force back to v2 blocks + // This is safe to do [otherwise-]unconditionally only because we are throwing an exception above if a non-force deployment gets activated + // Note that this can probably also be removed entirely after the first BIP9 non-force deployment (ie, probably segwit) gets activated + aMutable.push_back("version/force"); + } + result.push_back(Pair("previousblockhash", pblock->hashPrevBlock.GetHex())); result.push_back(Pair("transactions", transactions)); result.push_back(Pair("coinbaseaux", aux)); @@ -798,3 +868,27 @@ UniValue estimatesmartpriority(const UniValue& params, bool fHelp) 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]); +} |