diff options
Diffstat (limited to 'src/rpc/mining.cpp')
| -rw-r--r-- | src/rpc/mining.cpp | 232 |
1 files changed, 119 insertions, 113 deletions
diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp index 623b0bd86a..2fd6f99be5 100644 --- a/src/rpc/mining.cpp +++ b/src/rpc/mining.cpp @@ -18,12 +18,14 @@ #include <rpc/blockchain.h> #include <rpc/mining.h> #include <rpc/server.h> +#include <rpc/util.h> #include <shutdown.h> #include <txmempool.h> -#include <util.h> -#include <utilstrencodings.h> +#include <util/strencodings.h> +#include <util/system.h> #include <validation.h> #include <validationinterface.h> +#include <versionbitsinfo.h> #include <warnings.h> #include <memory> @@ -85,13 +87,15 @@ static UniValue getnetworkhashps(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() > 2) throw std::runtime_error( - "getnetworkhashps ( nblocks height )\n" - "\nReturns the estimated network hashes per second based on the last n blocks.\n" - "Pass in [blocks] to override # of blocks, -1 specifies since last difficulty change.\n" - "Pass in [height] to estimate the network speed at the time when a certain block was found.\n" - "\nArguments:\n" - "1. nblocks (numeric, optional, default=120) The number of blocks, or -1 for blocks since last difficulty change.\n" - "2. height (numeric, optional, default=-1) To estimate at the time of the given height.\n" + RPCHelpMan{"getnetworkhashps", + "\nReturns the estimated network hashes per second based on the last n blocks.\n" + "Pass in [blocks] to override # of blocks, -1 specifies since last difficulty change.\n" + "Pass in [height] to estimate the network speed at the time when a certain block was found.\n", + { + {"nblocks", RPCArg::Type::NUM, /* opt */ true, /* default_val */ "120", "The number of blocks, or -1 for blocks since last difficulty change."}, + {"height", RPCArg::Type::NUM, /* opt */ true, /* default_val */ "-1", "To estimate at the time of the given height."}, + }} + .ToString() + "\nResult:\n" "x (numeric) Hashes per second estimated\n" "\nExamples:\n" @@ -155,17 +159,21 @@ static UniValue generatetoaddress(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() < 2 || request.params.size() > 3) throw std::runtime_error( - "generatetoaddress nblocks address (maxtries)\n" - "\nMine blocks immediately to a specified address (before the RPC call returns)\n" - "\nArguments:\n" - "1. nblocks (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" + RPCHelpMan{"generatetoaddress", + "\nMine blocks immediately to a specified address (before the RPC call returns)\n", + { + {"nblocks", RPCArg::Type::NUM, /* opt */ false, /* default_val */ "", "How many blocks are generated immediately."}, + {"address", RPCArg::Type::STR, /* opt */ false, /* default_val */ "", "The address to send the newly generated bitcoin to."}, + {"maxtries", RPCArg::Type::NUM, /* opt */ true, /* default_val */ "1000000", "How many iterations to try."}, + }} + .ToString() + "\nResult:\n" "[ blockhashes ] (array) hashes of blocks generated\n" "\nExamples:\n" "\nGenerate 11 blocks to myaddress\n" + HelpExampleCli("generatetoaddress", "11 \"myaddress\"") + + "If you are running the bitcoin core wallet, you can get a new address to send the newly generated bitcoin to with:\n" + + HelpExampleCli("getnewaddress", "") ); int nGenerate = request.params[0].get_int(); @@ -189,8 +197,9 @@ static UniValue getmininginfo(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 0) throw std::runtime_error( - "getmininginfo\n" - "\nReturns a json object containing mining-related information." + RPCHelpMan{"getmininginfo", + "\nReturns a json object containing mining-related information.", {}} + .ToString() + "\nResult:\n" "{\n" " \"blocks\": nnn, (numeric) The current block\n" @@ -228,16 +237,18 @@ static UniValue prioritisetransaction(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 3) throw std::runtime_error( - "prioritisetransaction <txid> <dummy value> <fee delta>\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. dummy (numeric, optional) API-Compatibility for previous API. Must be zero or null.\n" - " DEPRECATED. For forward compatibility use named arguments and omit this parameter.\n" - "3. fee_delta (numeric, required) The fee value (in satoshis) to add (or subtract, if negative).\n" + RPCHelpMan{"prioritisetransaction", + "Accepts the transaction into mined blocks at a higher (or lower) priority\n", + { + {"txid", RPCArg::Type::STR_HEX, /* opt */ false, /* default_val */ "", "The transaction id."}, + {"dummy", RPCArg::Type::NUM, /* opt */ true, /* default_val */ "null", "API-Compatibility for previous API. Must be zero or null.\n" + " DEPRECATED. For forward compatibility use named arguments and omit this parameter."}, + {"fee_delta", RPCArg::Type::NUM, /* opt */ false, /* default_val */ "", "The fee value (in satoshis) to add (or subtract, if negative).\n" " Note, that this value is not a fee rate. It is a value to modify absolute fee of the TX.\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" + " considers the transaction as it would have paid a higher (or lower) fee."}, + }} + .ToString() + "\nResult:\n" "true (boolean) Returns true\n" "\nExamples:\n" @@ -247,7 +258,7 @@ static UniValue prioritisetransaction(const JSONRPCRequest& request) LOCK(cs_main); - uint256 hash = ParseHashStr(request.params[0].get_str(), "txid"); + uint256 hash(ParseHashV(request.params[0], "txid")); CAmount nAmount = request.params[2].get_int64(); if (!(request.params[1].isNull() || request.params[1].get_real() == 0)) { @@ -291,30 +302,32 @@ static UniValue getblocktemplate(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() > 1) throw std::runtime_error( - "getblocktemplate ( TemplateRequest )\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" - "For full specification, see BIPs 22, 23, 9, and 145:\n" - " https://github.com/bitcoin/bips/blob/master/bip-0022.mediawiki\n" - " https://github.com/bitcoin/bips/blob/master/bip-0023.mediawiki\n" - " https://github.com/bitcoin/bips/blob/master/bip-0009.mediawiki#getblocktemplate_changes\n" - " https://github.com/bitcoin/bips/blob/master/bip-0145.mediawiki\n" - - "\nArguments:\n" - "1. template_request (json object, optional) A json object in the following spec\n" - " {\n" - " \"mode\":\"template\" (string, optional) This must be set to \"template\", \"proposal\" (see BIP 23), 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" - " \"rules\":[ (array, optional) A list of strings\n" - " \"support\" (string) client side supported softfork deployment\n" - " ,...\n" - " ]\n" - " }\n" - "\n" - + RPCHelpMan{"getblocktemplate", + "\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" + "For full specification, see BIPs 22, 23, 9, and 145:\n" + " https://github.com/bitcoin/bips/blob/master/bip-0022.mediawiki\n" + " https://github.com/bitcoin/bips/blob/master/bip-0023.mediawiki\n" + " https://github.com/bitcoin/bips/blob/master/bip-0009.mediawiki#getblocktemplate_changes\n" + " https://github.com/bitcoin/bips/blob/master/bip-0145.mediawiki\n", + { + {"template_request", RPCArg::Type::OBJ, /* opt */ false, /* default_val */ "", "A json object in the following spec", + { + {"mode", RPCArg::Type::STR, /* opt */ true, /* default_val */ "", "This must be set to \"template\", \"proposal\" (see BIP 23), or omitted"}, + {"capabilities", RPCArg::Type::ARR, /* opt */ true, /* default_val */ "", "A list of strings", + { + {"support", RPCArg::Type::STR, /* opt */ true, /* default_val */ "", "client side supported feature, 'longpoll', 'coinbasetxn', 'coinbasevalue', 'proposal', 'serverlist', 'workid'"}, + }, + }, + {"rules", RPCArg::Type::ARR, /* opt */ false, /* default_val */ "", "A list of strings", + { + {"support", RPCArg::Type::STR, /* opt */ true, /* default_val */ "", "client side supported softfork deployment"}, + }, + }, + }, + "\"template_request\""}, + }} + .ToString() + "\nResult:\n" "{\n" " \"version\" : n, (numeric) The preferred block version\n" @@ -361,8 +374,8 @@ static UniValue getblocktemplate(const JSONRPCRequest& request) "}\n" "\nExamples:\n" - + HelpExampleCli("getblocktemplate", "") - + HelpExampleRpc("getblocktemplate", "") + + HelpExampleCli("getblocktemplate", "{\"rules\": [\"segwit\"]}") + + HelpExampleRpc("getblocktemplate", "{\"rules\": [\"segwit\"]}") ); LOCK(cs_main); @@ -455,7 +468,7 @@ static UniValue getblocktemplate(const JSONRPCRequest& request) // Format: <hashBestChain><nTransactionsUpdatedLast> std::string lpstr = lpval.get_str(); - hashWatchedChain.SetHex(lpstr.substr(0, 64)); + hashWatchedChain = ParseHashV(lpstr.substr(0, 64), "longpollid"); nTransactionsUpdatedLastLP = atoi64(lpstr.substr(64)); } else @@ -470,7 +483,7 @@ static UniValue getblocktemplate(const JSONRPCRequest& request) { checktxtime = std::chrono::steady_clock::now() + std::chrono::minutes(1); - WaitableLock lock(g_best_block_mutex); + WAIT_LOCK(g_best_block_mutex, lock); while (g_best_block == hashWatchedChain && IsRPCRunning()) { if (g_best_block_cv.wait_until(lock, checktxtime) == std::cv_status::timeout) @@ -490,21 +503,17 @@ static UniValue getblocktemplate(const JSONRPCRequest& request) } const struct VBDeploymentInfo& segwit_info = VersionBitsDeploymentInfo[Consensus::DEPLOYMENT_SEGWIT]; - // If the caller is indicating segwit support, then allow CreateNewBlock() - // to select witness transactions, after segwit activates (otherwise - // don't). - bool fSupportsSegwit = setClientRules.find(segwit_info.name) != setClientRules.end(); + // GBT must be called with 'segwit' set in the rules + if (setClientRules.count(segwit_info.name) != 1) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "getblocktemplate must be called with the segwit rule set (call with {\"rules\": [\"segwit\"]})"); + } // Update block static CBlockIndex* pindexPrev; static int64_t nStart; static std::unique_ptr<CBlockTemplate> pblocktemplate; - // Cache whether the last invocation was with segwit support, to avoid returning - // a segwit-block to a non-segwit caller. - static bool fLastTemplateSupportsSegwit = true; if (pindexPrev != chainActive.Tip() || - (mempool.GetTransactionsUpdated() != nTransactionsUpdatedLast && GetTime() - nStart > 5) || - fLastTemplateSupportsSegwit != fSupportsSegwit) + (mempool.GetTransactionsUpdated() != nTransactionsUpdatedLast && GetTime() - nStart > 5)) { // Clear pindexPrev so future calls make a new block, despite any failures from here on pindexPrev = nullptr; @@ -513,11 +522,10 @@ static UniValue getblocktemplate(const JSONRPCRequest& request) nTransactionsUpdatedLast = mempool.GetTransactionsUpdated(); CBlockIndex* pindexPrevNew = chainActive.Tip(); nStart = GetTime(); - fLastTemplateSupportsSegwit = fSupportsSegwit; // Create new block CScript scriptDummy = CScript() << OP_TRUE; - pblocktemplate = BlockAssembler(Params()).CreateNewBlock(scriptDummy, fSupportsSegwit); + pblocktemplate = BlockAssembler(Params()).CreateNewBlock(scriptDummy); if (!pblocktemplate) throw JSONRPCError(RPC_OUT_OF_MEMORY, "Out of memory"); @@ -669,7 +677,7 @@ static UniValue getblocktemplate(const JSONRPCRequest& request) result.pushKV("bits", strprintf("%08x", pblock->nBits)); result.pushKV("height", (int64_t)(pindexPrev->nHeight+1)); - if (!pblocktemplate->vchCoinbaseCommitment.empty() && fSupportsSegwit) { + if (!pblocktemplate->vchCoinbaseCommitment.empty()) { result.pushKV("default_witness_commitment", HexStr(pblocktemplate->vchCoinbaseCommitment.begin(), pblocktemplate->vchCoinbaseCommitment.end())); } @@ -699,13 +707,14 @@ static UniValue submitblock(const JSONRPCRequest& request) // We allow 2 arguments for compliance with BIP22. Argument 2 is ignored. if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) { throw std::runtime_error( - "submitblock \"hexdata\" ( \"dummy\" )\n" - "\nAttempts to submit new block to network.\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. \"dummy\" (optional) dummy value, for compatibility with BIP22. This value is ignored.\n" + RPCHelpMan{"submitblock", + "\nAttempts to submit new block to network.\n" + "See https://en.bitcoin.it/wiki/BIP_0022 for full specification.\n", + { + {"hexdata", RPCArg::Type::STR_HEX, /* opt */ false, /* default_val */ "", "the hex-encoded block data to submit"}, + {"dummy", RPCArg::Type::STR, /* opt */ true, /* default_val */ "ignored", "dummy value, for compatibility with BIP22. This value is ignored."}, + }} + .ToString() + "\nResult:\n" "\nExamples:\n" + HelpExampleCli("submitblock", "\"mydata\"") @@ -750,11 +759,7 @@ static UniValue submitblock(const JSONRPCRequest& request) RegisterValidationInterface(&sc); bool accepted = ProcessNewBlock(Params(), blockptr, /* fForceProcessing */ true, /* fNewBlock */ &new_block); UnregisterValidationInterface(&sc); - if (!new_block) { - if (!accepted) { - // TODO Maybe pass down fNewBlock to AcceptBlockHeader, so it is properly set to true in this case? - return "invalid"; - } + if (!new_block && accepted) { return "duplicate"; } if (!sc.found) { @@ -767,11 +772,13 @@ static UniValue submitheader(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 1) { throw std::runtime_error( - "submitheader \"hexdata\"\n" - "\nDecode the given hexdata as a header and submit it as a candidate chain tip if valid." - "\nThrows when the header is invalid.\n" - "\nArguments\n" - "1. \"hexdata\" (string, required) the hex-encoded block header data\n" + RPCHelpMan{"submitheader", + "\nDecode the given hexdata as a header and submit it as a candidate chain tip if valid." + "\nThrows when the header is invalid.\n", + { + {"hexdata", RPCArg::Type::STR_HEX, /* opt */ false, /* default_val */ "", "the hex-encoded block header data"}, + }} + .ToString() + "\nResult:\n" "None" "\nExamples:\n" + @@ -799,32 +806,28 @@ static UniValue submitheader(const JSONRPCRequest& request) throw JSONRPCError(RPC_VERIFY_ERROR, state.GetRejectReason()); } -static UniValue estimatefee(const JSONRPCRequest& request) -{ - throw JSONRPCError(RPC_METHOD_DEPRECATED, "estimatefee was removed in v0.17.\n" - "Clients should use estimatesmartfee."); -} - static UniValue estimatesmartfee(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) throw std::runtime_error( - "estimatesmartfee conf_target (\"estimate_mode\")\n" - "\nEstimates the approximate fee per kilobyte needed for a transaction to begin\n" - "confirmation within conf_target blocks if possible and return the number of blocks\n" - "for which the estimate is valid. Uses virtual transaction size as defined\n" - "in BIP 141 (witness data is discounted).\n" - "\nArguments:\n" - "1. conf_target (numeric) Confirmation target in blocks (1 - 1008)\n" - "2. \"estimate_mode\" (string, optional, default=CONSERVATIVE) The fee estimate mode.\n" + RPCHelpMan{"estimatesmartfee", + "\nEstimates the approximate fee per kilobyte needed for a transaction to begin\n" + "confirmation within conf_target blocks if possible and return the number of blocks\n" + "for which the estimate is valid. Uses virtual transaction size as defined\n" + "in BIP 141 (witness data is discounted).\n", + { + {"conf_target", RPCArg::Type::NUM, /* opt */ false, /* default_val */ "", "Confirmation target in blocks (1 - 1008)"}, + {"estimate_mode", RPCArg::Type::STR, /* opt */ true, /* default_val */ "CONSERVATIVE", "The fee estimate mode.\n" " Whether to return a more conservative estimate which also satisfies\n" " a longer history. A conservative estimate potentially returns a\n" " higher feerate and is more likely to be sufficient for the desired\n" " target, but is not as responsive to short term drops in the\n" " prevailing fee market. Must be one of:\n" - " \"UNSET\" (defaults to CONSERVATIVE)\n" + " \"UNSET\"\n" " \"ECONOMICAL\"\n" - " \"CONSERVATIVE\"\n" + " \"CONSERVATIVE\""}, + }} + .ToString() + "\nResult:\n" "{\n" " \"feerate\" : x.x, (numeric, optional) estimate fee rate in " + CURRENCY_UNIT + "/kB\n" @@ -870,19 +873,21 @@ static UniValue estimaterawfee(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) throw std::runtime_error( - "estimaterawfee conf_target (threshold)\n" - "\nWARNING: This interface is unstable and may disappear or change!\n" - "\nWARNING: This is an advanced API call that is tightly coupled to the specific\n" - " implementation of fee estimation. The parameters it can be called with\n" - " and the results it returns will change if the internal implementation changes.\n" - "\nEstimates the approximate fee per kilobyte needed for a transaction to begin\n" - "confirmation within conf_target blocks if possible. Uses virtual transaction size as\n" - "defined in BIP 141 (witness data is discounted).\n" - "\nArguments:\n" - "1. conf_target (numeric) Confirmation target in blocks (1 - 1008)\n" - "2. threshold (numeric, optional) The proportion of transactions in a given feerate range that must have been\n" + RPCHelpMan{"estimaterawfee", + "\nWARNING: This interface is unstable and may disappear or change!\n" + "\nWARNING: This is an advanced API call that is tightly coupled to the specific\n" + " implementation of fee estimation. The parameters it can be called with\n" + " and the results it returns will change if the internal implementation changes.\n" + "\nEstimates the approximate fee per kilobyte needed for a transaction to begin\n" + "confirmation within conf_target blocks if possible. Uses virtual transaction size as\n" + "defined in BIP 141 (witness data is discounted).\n", + { + {"conf_target", RPCArg::Type::NUM, /* opt */ false, /* default_val */ "", "Confirmation target in blocks (1 - 1008)"}, + {"threshold", RPCArg::Type::NUM, /* opt */ true, /* default_val */ "0.95", "The proportion of transactions in a given feerate range that must have been\n" " confirmed within conf_target in order to consider those feerates as high enough and proceed to check\n" - " lower buckets. Default: 0.95\n" + " lower buckets."}, + }} + .ToString() + "\nResult:\n" "{\n" " \"short\" : { (json object, optional) estimate for short time horizon\n" @@ -922,7 +927,7 @@ static UniValue estimaterawfee(const JSONRPCRequest& request) UniValue result(UniValue::VOBJ); - for (FeeEstimateHorizon horizon : {FeeEstimateHorizon::SHORT_HALFLIFE, FeeEstimateHorizon::MED_HALFLIFE, FeeEstimateHorizon::LONG_HALFLIFE}) { + for (const FeeEstimateHorizon horizon : {FeeEstimateHorizon::SHORT_HALFLIFE, FeeEstimateHorizon::MED_HALFLIFE, FeeEstimateHorizon::LONG_HALFLIFE}) { CFeeRate feeRate; EstimationResult buckets; @@ -968,6 +973,7 @@ static UniValue estimaterawfee(const JSONRPCRequest& request) return result; } +// clang-format off static const CRPCCommand commands[] = { // category name actor (function) argNames // --------------------- ------------------------ ----------------------- ---------- @@ -981,11 +987,11 @@ static const CRPCCommand commands[] = { "generating", "generatetoaddress", &generatetoaddress, {"nblocks","address","maxtries"} }, - { "hidden", "estimatefee", &estimatefee, {} }, { "util", "estimatesmartfee", &estimatesmartfee, {"conf_target", "estimate_mode"} }, { "hidden", "estimaterawfee", &estimaterawfee, {"conf_target", "threshold"} }, }; +// clang-format on void RegisterMiningRPCCommands(CRPCTable &t) { |