diff options
Diffstat (limited to 'src/rpc/blockchain.cpp')
| -rw-r--r-- | src/rpc/blockchain.cpp | 1109 |
1 files changed, 690 insertions, 419 deletions
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp index 46dec4ca6e..56018caf24 100644 --- a/src/rpc/blockchain.cpp +++ b/src/rpc/blockchain.cpp @@ -1,5 +1,5 @@ // Copyright (c) 2010 Satoshi Nakamoto -// Copyright (c) 2009-2017 The Bitcoin Core developers +// Copyright (c) 2009-2019 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -7,28 +7,34 @@ #include <amount.h> #include <base58.h> +#include <blockfilter.h> #include <chain.h> #include <chainparams.h> -#include <checkpoints.h> #include <coins.h> #include <consensus/validation.h> -#include <validation.h> #include <core_io.h> +#include <hash.h> +#include <index/blockfilterindex.h> #include <index/txindex.h> #include <key_io.h> #include <policy/feerate.h> #include <policy/policy.h> +#include <policy/rbf.h> #include <primitives/transaction.h> #include <rpc/server.h> +#include <rpc/util.h> #include <script/descriptor.h> #include <streams.h> #include <sync.h> #include <txdb.h> #include <txmempool.h> -#include <util.h> -#include <utilstrencodings.h> -#include <hash.h> +#include <undo.h> +#include <util/strencodings.h> +#include <util/system.h> +#include <util/validation.h> +#include <validation.h> #include <validationinterface.h> +#include <versionbitsinfo.h> #include <warnings.h> #include <assert.h> @@ -36,7 +42,6 @@ #include <univalue.h> -#include <boost/algorithm/string.hpp> #include <boost/thread/thread.hpp> // boost::thread::interrupt #include <memory> @@ -49,7 +54,7 @@ struct CUpdatedBlock int height; }; -static std::mutex cs_blockchange; +static Mutex cs_blockchange; static std::condition_variable cond_blockchange; static CUpdatedBlock latestblock; @@ -57,10 +62,7 @@ static CUpdatedBlock latestblock; */ double GetDifficulty(const CBlockIndex* blockindex) { - if (blockindex == nullptr) - { - return 1.0; - } + assert(blockindex); int nShift = (blockindex->nBits >> 24) & 0xff; double dDiff = @@ -80,15 +82,25 @@ double GetDifficulty(const CBlockIndex* blockindex) return dDiff; } -UniValue blockheaderToJSON(const CBlockIndex* blockindex) +static int ComputeNextBlockAndDepth(const CBlockIndex* tip, const CBlockIndex* blockindex, const CBlockIndex*& next) { - AssertLockHeld(cs_main); + next = tip->GetAncestor(blockindex->nHeight + 1); + if (next && next->pprev == blockindex) { + return tip->nHeight - blockindex->nHeight + 1; + } + next = nullptr; + return blockindex == tip ? 1 : -1; +} + +UniValue blockheaderToJSON(const CBlockIndex* tip, const CBlockIndex* blockindex) +{ + // Serialize passed information without accessing chain state of the active chain! + AssertLockNotHeld(cs_main); // For performance reasons + UniValue result(UniValue::VOBJ); result.pushKV("hash", blockindex->GetBlockHash().GetHex()); - int confirmations = -1; - // Only report confirmations if the block is on the main chain - if (chainActive.Contains(blockindex)) - confirmations = chainActive.Height() - blockindex->nHeight + 1; + const CBlockIndex* pnext; + int confirmations = ComputeNextBlockAndDepth(tip, blockindex, pnext); result.pushKV("confirmations", confirmations); result.pushKV("height", blockindex->nHeight); result.pushKV("version", blockindex->nVersion); @@ -104,24 +116,23 @@ UniValue blockheaderToJSON(const CBlockIndex* blockindex) if (blockindex->pprev) result.pushKV("previousblockhash", blockindex->pprev->GetBlockHash().GetHex()); - CBlockIndex *pnext = chainActive.Next(blockindex); if (pnext) result.pushKV("nextblockhash", pnext->GetBlockHash().GetHex()); return result; } -UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool txDetails) +UniValue blockToJSON(const CBlock& block, const CBlockIndex* tip, const CBlockIndex* blockindex, bool txDetails) { - AssertLockHeld(cs_main); + // Serialize passed information without accessing chain state of the active chain! + AssertLockNotHeld(cs_main); // For performance reasons + UniValue result(UniValue::VOBJ); result.pushKV("hash", blockindex->GetBlockHash().GetHex()); - int confirmations = -1; - // Only report confirmations if the block is on the main chain - if (chainActive.Contains(blockindex)) - confirmations = chainActive.Height() - blockindex->nHeight + 1; + const CBlockIndex* pnext; + int confirmations = ComputeNextBlockAndDepth(tip, blockindex, pnext); result.pushKV("confirmations", confirmations); - result.pushKV("strippedsize", (int)::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS)); - result.pushKV("size", (int)::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION)); + result.pushKV("strippedsize", (int)::GetSerializeSize(block, PROTOCOL_VERSION | SERIALIZE_TRANSACTION_NO_WITNESS)); + result.pushKV("size", (int)::GetSerializeSize(block, PROTOCOL_VERSION)); result.pushKV("weight", (int)::GetBlockWeight(block)); result.pushKV("height", blockindex->nHeight); result.pushKV("version", block.nVersion); @@ -150,7 +161,6 @@ UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool tx if (blockindex->pprev) result.pushKV("previousblockhash", blockindex->pprev->GetBlockHash().GetHex()); - CBlockIndex *pnext = chainActive.Next(blockindex); if (pnext) result.pushKV("nextblockhash", pnext->GetBlockHash().GetHex()); return result; @@ -160,34 +170,40 @@ static UniValue getblockcount(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 0) throw std::runtime_error( - "getblockcount\n" - "\nReturns the number of blocks in the longest blockchain.\n" - "\nResult:\n" + RPCHelpMan{"getblockcount", + "\nReturns the number of blocks in the longest blockchain.\n", + {}, + RPCResult{ "n (numeric) The current block count\n" - "\nExamples:\n" - + HelpExampleCli("getblockcount", "") + }, + RPCExamples{ + HelpExampleCli("getblockcount", "") + HelpExampleRpc("getblockcount", "") - ); + }, + }.ToString()); LOCK(cs_main); - return chainActive.Height(); + return ::ChainActive().Height(); } static UniValue getbestblockhash(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 0) throw std::runtime_error( - "getbestblockhash\n" - "\nReturns the hash of the best (tip) block in the longest blockchain.\n" - "\nResult:\n" - "\"hex\" (string) the block hash hex encoded\n" - "\nExamples:\n" - + HelpExampleCli("getbestblockhash", "") + RPCHelpMan{"getbestblockhash", + "\nReturns the hash of the best (tip) block in the longest blockchain.\n", + {}, + RPCResult{ + "\"hex\" (string) the block hash, hex-encoded\n" + }, + RPCExamples{ + HelpExampleCli("getbestblockhash", "") + HelpExampleRpc("getbestblockhash", "") - ); + }, + }.ToString()); LOCK(cs_main); - return chainActive.Tip()->GetBlockHash().GetHex(); + return ::ChainActive().Tip()->GetBlockHash().GetHex(); } void RPCNotifyBlockChange(bool ibd, const CBlockIndex * pindex) @@ -204,27 +220,30 @@ static UniValue waitfornewblock(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() > 1) throw std::runtime_error( - "waitfornewblock (timeout)\n" - "\nWaits for a specific new block and returns useful info about it.\n" - "\nReturns the current block on timeout or exit.\n" - "\nArguments:\n" - "1. timeout (int, optional, default=0) Time in milliseconds to wait for a response. 0 indicates no timeout.\n" - "\nResult:\n" + RPCHelpMan{"waitfornewblock", + "\nWaits for a specific new block and returns useful info about it.\n" + "\nReturns the current block on timeout or exit.\n", + { + {"timeout", RPCArg::Type::NUM, /* default */ "0", "Time in milliseconds to wait for a response. 0 indicates no timeout."}, + }, + RPCResult{ "{ (json object)\n" " \"hash\" : { (string) The blockhash\n" " \"height\" : { (int) Block height\n" "}\n" - "\nExamples:\n" - + HelpExampleCli("waitfornewblock", "1000") + }, + RPCExamples{ + HelpExampleCli("waitfornewblock", "1000") + HelpExampleRpc("waitfornewblock", "1000") - ); + }, + }.ToString()); int timeout = 0; if (!request.params[0].isNull()) timeout = request.params[0].get_int(); CUpdatedBlock block; { - std::unique_lock<std::mutex> lock(cs_blockchange); + WAIT_LOCK(cs_blockchange, lock); block = latestblock; if(timeout) cond_blockchange.wait_for(lock, std::chrono::milliseconds(timeout), [&block]{return latestblock.height != block.height || latestblock.hash != block.hash || !IsRPCRunning(); }); @@ -242,31 +261,34 @@ static UniValue waitforblock(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) throw std::runtime_error( - "waitforblock <blockhash> (timeout)\n" - "\nWaits for a specific new block and returns useful info about it.\n" - "\nReturns the current block on timeout or exit.\n" - "\nArguments:\n" - "1. \"blockhash\" (required, string) Block hash to wait for.\n" - "2. timeout (int, optional, default=0) Time in milliseconds to wait for a response. 0 indicates no timeout.\n" - "\nResult:\n" + RPCHelpMan{"waitforblock", + "\nWaits for a specific new block and returns useful info about it.\n" + "\nReturns the current block on timeout or exit.\n", + { + {"blockhash", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "Block hash to wait for."}, + {"timeout", RPCArg::Type::NUM, /* default */ "0", "Time in milliseconds to wait for a response. 0 indicates no timeout."}, + }, + RPCResult{ "{ (json object)\n" " \"hash\" : { (string) The blockhash\n" " \"height\" : { (int) Block height\n" "}\n" - "\nExamples:\n" - + HelpExampleCli("waitforblock", "\"0000000000079f8ef3d2c688c244eb7a4570b24c9ed7b4a8c619eb02596f8862\", 1000") + }, + RPCExamples{ + HelpExampleCli("waitforblock", "\"0000000000079f8ef3d2c688c244eb7a4570b24c9ed7b4a8c619eb02596f8862\", 1000") + HelpExampleRpc("waitforblock", "\"0000000000079f8ef3d2c688c244eb7a4570b24c9ed7b4a8c619eb02596f8862\", 1000") - ); + }, + }.ToString()); int timeout = 0; - uint256 hash = uint256S(request.params[0].get_str()); + uint256 hash(ParseHashV(request.params[0], "blockhash")); if (!request.params[1].isNull()) timeout = request.params[1].get_int(); CUpdatedBlock block; { - std::unique_lock<std::mutex> lock(cs_blockchange); + WAIT_LOCK(cs_blockchange, lock); if(timeout) cond_blockchange.wait_for(lock, std::chrono::milliseconds(timeout), [&hash]{return latestblock.hash == hash || !IsRPCRunning();}); else @@ -284,22 +306,25 @@ static UniValue waitforblockheight(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) throw std::runtime_error( - "waitforblockheight <height> (timeout)\n" - "\nWaits for (at least) block height and returns the height and hash\n" - "of the current tip.\n" - "\nReturns the current block on timeout or exit.\n" - "\nArguments:\n" - "1. height (required, int) Block height to wait for (int)\n" - "2. timeout (int, optional, default=0) Time in milliseconds to wait for a response. 0 indicates no timeout.\n" - "\nResult:\n" + RPCHelpMan{"waitforblockheight", + "\nWaits for (at least) block height and returns the height and hash\n" + "of the current tip.\n" + "\nReturns the current block on timeout or exit.\n", + { + {"height", RPCArg::Type::NUM, RPCArg::Optional::NO, "Block height to wait for."}, + {"timeout", RPCArg::Type::NUM, /* default */ "0", "Time in milliseconds to wait for a response. 0 indicates no timeout."}, + }, + RPCResult{ "{ (json object)\n" " \"hash\" : { (string) The blockhash\n" " \"height\" : { (int) Block height\n" "}\n" - "\nExamples:\n" - + HelpExampleCli("waitforblockheight", "\"100\", 1000") + }, + RPCExamples{ + HelpExampleCli("waitforblockheight", "\"100\", 1000") + HelpExampleRpc("waitforblockheight", "\"100\", 1000") - ); + }, + }.ToString()); int timeout = 0; int height = request.params[0].get_int(); @@ -309,7 +334,7 @@ static UniValue waitforblockheight(const JSONRPCRequest& request) CUpdatedBlock block; { - std::unique_lock<std::mutex> lock(cs_blockchange); + WAIT_LOCK(cs_blockchange, lock); if(timeout) cond_blockchange.wait_for(lock, std::chrono::milliseconds(timeout), [&height]{return latestblock.height >= height || !IsRPCRunning();}); else @@ -326,12 +351,15 @@ static UniValue syncwithvalidationinterfacequeue(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() > 0) { throw std::runtime_error( - "syncwithvalidationinterfacequeue\n" - "\nWaits for the validation interface queue to catch up on everything that was there when we entered this function.\n" - "\nExamples:\n" - + HelpExampleCli("syncwithvalidationinterfacequeue","") + RPCHelpMan{"syncwithvalidationinterfacequeue", + "\nWaits for the validation interface queue to catch up on everything that was there when we entered this function.\n", + {}, + RPCResults{}, + RPCExamples{ + HelpExampleCli("syncwithvalidationinterfacequeue","") + HelpExampleRpc("syncwithvalidationinterfacequeue","") - ); + }, + }.ToString()); } SyncWithValidationInterfaceQueue(); return NullUniValue; @@ -341,22 +369,27 @@ static UniValue getdifficulty(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 0) throw std::runtime_error( - "getdifficulty\n" - "\nReturns the proof-of-work difficulty as a multiple of the minimum difficulty.\n" - "\nResult:\n" + RPCHelpMan{"getdifficulty", + "\nReturns the proof-of-work difficulty as a multiple of the minimum difficulty.\n", + {}, + RPCResult{ "n.nnn (numeric) the proof-of-work difficulty as a multiple of the minimum difficulty.\n" - "\nExamples:\n" - + HelpExampleCli("getdifficulty", "") + }, + RPCExamples{ + HelpExampleCli("getdifficulty", "") + HelpExampleRpc("getdifficulty", "") - ); + }, + }.ToString()); LOCK(cs_main); - return GetDifficulty(chainActive.Tip()); + return GetDifficulty(::ChainActive().Tip()); } static std::string EntryDescriptionString() { - return " \"size\" : n, (numeric) virtual transaction size as defined in BIP 141. This is different from actual serialized size for witness transactions as witness data is discounted.\n" + return " \"vsize\" : n, (numeric) virtual transaction size as defined in BIP 141. This is different from actual serialized size for witness transactions as witness data is discounted.\n" + " \"size\" : n, (numeric) (DEPRECATED) same as vsize. Only returned if bitcoind is started with -deprecatedrpc=size\n" + " size will be completely removed in v0.20.\n" " \"fee\" : n, (numeric) transaction fee in " + CURRENCY_UNIT + " (DEPRECATED)\n" " \"modifiedfee\" : n, (numeric) transaction fee with fee deltas used for mining priority (DEPRECATED)\n" " \"time\" : n, (numeric) local time transaction entered pool in seconds since 1 Jan 1970 GMT\n" @@ -379,12 +412,13 @@ static std::string EntryDescriptionString() " ... ]\n" " \"spentby\" : [ (array) unconfirmed transactions spending outputs from this transaction\n" " \"transactionid\", (string) child transaction id\n" - " ... ]\n"; + " ... ]\n" + " \"bip125-replaceable\" : true|false, (boolean) Whether this transaction could be replaced due to BIP125 (replace-by-fee)\n"; } -static void entryToJSON(UniValue &info, const CTxMemPoolEntry &e) EXCLUSIVE_LOCKS_REQUIRED(::mempool.cs) +static void entryToJSON(const CTxMemPool& pool, UniValue& info, const CTxMemPoolEntry& e) EXCLUSIVE_LOCKS_REQUIRED(pool.cs) { - AssertLockHeld(mempool.cs); + AssertLockHeld(pool.cs); UniValue fees(UniValue::VOBJ); fees.pushKV("base", ValueFromAmount(e.GetFee())); @@ -393,7 +427,8 @@ static void entryToJSON(UniValue &info, const CTxMemPoolEntry &e) EXCLUSIVE_LOCK fees.pushKV("descendant", ValueFromAmount(e.GetModFeesWithDescendants())); info.pushKV("fees", fees); - info.pushKV("size", (int)e.GetTxSize()); + info.pushKV("vsize", (int)e.GetTxSize()); + if (IsDeprecatedRPCEnabled("size")) info.pushKV("size", (int)e.GetTxSize()); info.pushKV("fee", ValueFromAmount(e.GetFee())); info.pushKV("modifiedfee", ValueFromAmount(e.GetModifiedFee())); info.pushKV("time", e.GetTime()); @@ -404,12 +439,12 @@ static void entryToJSON(UniValue &info, const CTxMemPoolEntry &e) EXCLUSIVE_LOCK info.pushKV("ancestorcount", e.GetCountWithAncestors()); info.pushKV("ancestorsize", e.GetSizeWithAncestors()); info.pushKV("ancestorfees", e.GetModFeesWithAncestors()); - info.pushKV("wtxid", mempool.vTxHashes[e.vTxHashesIdx].first.ToString()); + info.pushKV("wtxid", pool.vTxHashes[e.vTxHashesIdx].first.ToString()); const CTransaction& tx = e.GetTx(); std::set<std::string> setDepends; for (const CTxIn& txin : tx.vin) { - if (mempool.exists(txin.prevout.hash)) + if (pool.exists(txin.prevout.hash)) setDepends.insert(txin.prevout.hash.ToString()); } @@ -422,34 +457,44 @@ static void entryToJSON(UniValue &info, const CTxMemPoolEntry &e) EXCLUSIVE_LOCK info.pushKV("depends", depends); UniValue spent(UniValue::VARR); - const CTxMemPool::txiter &it = mempool.mapTx.find(tx.GetHash()); - const CTxMemPool::setEntries &setChildren = mempool.GetMemPoolChildren(it); - for (const CTxMemPool::txiter &childiter : setChildren) { + const CTxMemPool::txiter& it = pool.mapTx.find(tx.GetHash()); + const CTxMemPool::setEntries& setChildren = pool.GetMemPoolChildren(it); + for (CTxMemPool::txiter childiter : setChildren) { spent.push_back(childiter->GetTx().GetHash().ToString()); } info.pushKV("spentby", spent); + + // Add opt-in RBF status + bool rbfStatus = false; + RBFTransactionState rbfState = IsRBFOptIn(tx, pool); + if (rbfState == RBFTransactionState::UNKNOWN) { + throw JSONRPCError(RPC_MISC_ERROR, "Transaction is not in mempool"); + } else if (rbfState == RBFTransactionState::REPLACEABLE_BIP125) { + rbfStatus = true; + } + + info.pushKV("bip125-replaceable", rbfStatus); } -UniValue mempoolToJSON(bool fVerbose) +UniValue MempoolToJSON(const CTxMemPool& pool, bool verbose) { - if (fVerbose) - { - LOCK(mempool.cs); + if (verbose) { + LOCK(pool.cs); UniValue o(UniValue::VOBJ); - for (const CTxMemPoolEntry& e : mempool.mapTx) - { + for (const CTxMemPoolEntry& e : pool.mapTx) { const uint256& hash = e.GetTx().GetHash(); UniValue info(UniValue::VOBJ); - entryToJSON(info, e); - o.pushKV(hash.ToString(), info); + entryToJSON(pool, info, e); + // Mempool has unique entries so there is no advantage in using + // UniValue::pushKV, which checks if the key already exists in O(N). + // UniValue::__pushKV is used instead which currently is O(1). + o.__pushKV(hash.ToString(), info); } return o; - } - else - { + } else { std::vector<uint256> vtxid; - mempool.queryHashes(vtxid); + pool.queryHashes(vtxid); UniValue a(UniValue::VARR); for (const uint256& hash : vtxid) @@ -463,12 +508,13 @@ static UniValue getrawmempool(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() > 1) throw std::runtime_error( - "getrawmempool ( verbose )\n" - "\nReturns all transaction ids in memory pool as a json array of string transaction ids.\n" - "\nHint: use getmempoolentry to fetch a specific transaction from the mempool.\n" - "\nArguments:\n" - "1. verbose (boolean, optional, default=false) True for a json object, false for array of transaction ids\n" - "\nResult: (for verbose = false):\n" + RPCHelpMan{"getrawmempool", + "\nReturns all transaction ids in memory pool as a json array of string transaction ids.\n" + "\nHint: use getmempoolentry to fetch a specific transaction from the mempool.\n", + { + {"verbose", RPCArg::Type::BOOL, /* default */ "false", "True for a json object, false for array of transaction ids"}, + }, + RPCResult{"for verbose = false", "[ (json array of string)\n" " \"transactionid\" (string) The transaction id\n" " ,...\n" @@ -479,42 +525,50 @@ static UniValue getrawmempool(const JSONRPCRequest& request) + EntryDescriptionString() + " }, ...\n" "}\n" - "\nExamples:\n" - + HelpExampleCli("getrawmempool", "true") + }, + RPCExamples{ + HelpExampleCli("getrawmempool", "true") + HelpExampleRpc("getrawmempool", "true") - ); + }, + }.ToString()); bool fVerbose = false; if (!request.params[0].isNull()) fVerbose = request.params[0].get_bool(); - return mempoolToJSON(fVerbose); + return MempoolToJSON(::mempool, fVerbose); } static UniValue getmempoolancestors(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) { throw std::runtime_error( - "getmempoolancestors txid (verbose)\n" - "\nIf txid is in the mempool, returns all in-mempool ancestors.\n" - "\nArguments:\n" - "1. \"txid\" (string, required) The transaction id (must be in mempool)\n" - "2. verbose (boolean, optional, default=false) True for a json object, false for array of transaction ids\n" - "\nResult (for verbose=false):\n" + RPCHelpMan{"getmempoolancestors", + "\nIf txid is in the mempool, returns all in-mempool ancestors.\n", + { + {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id (must be in mempool)"}, + {"verbose", RPCArg::Type::BOOL, /* default */ "false", "True for a json object, false for array of transaction ids"}, + }, + { + RPCResult{"for verbose = false", "[ (json array of strings)\n" " \"transactionid\" (string) The transaction id of an in-mempool ancestor transaction\n" " ,...\n" "]\n" - "\nResult (for verbose=true):\n" + }, + RPCResult{"for verbose = true", "{ (json object)\n" " \"transactionid\" : { (json object)\n" + EntryDescriptionString() + " }, ...\n" "}\n" - "\nExamples:\n" - + HelpExampleCli("getmempoolancestors", "\"mytxid\"") + }, + }, + RPCExamples{ + HelpExampleCli("getmempoolancestors", "\"mytxid\"") + HelpExampleRpc("getmempoolancestors", "\"mytxid\"") - ); + }, + }.ToString()); } bool fVerbose = false; @@ -548,7 +602,7 @@ static UniValue getmempoolancestors(const JSONRPCRequest& request) const CTxMemPoolEntry &e = *ancestorIt; const uint256& _hash = e.GetTx().GetHash(); UniValue info(UniValue::VOBJ); - entryToJSON(info, e); + entryToJSON(::mempool, info, e); o.pushKV(_hash.ToString(), info); } return o; @@ -559,26 +613,32 @@ static UniValue getmempooldescendants(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) { throw std::runtime_error( - "getmempooldescendants txid (verbose)\n" - "\nIf txid is in the mempool, returns all in-mempool descendants.\n" - "\nArguments:\n" - "1. \"txid\" (string, required) The transaction id (must be in mempool)\n" - "2. verbose (boolean, optional, default=false) True for a json object, false for array of transaction ids\n" - "\nResult (for verbose=false):\n" + RPCHelpMan{"getmempooldescendants", + "\nIf txid is in the mempool, returns all in-mempool descendants.\n", + { + {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id (must be in mempool)"}, + {"verbose", RPCArg::Type::BOOL, /* default */ "false", "True for a json object, false for array of transaction ids"}, + }, + { + RPCResult{"for verbose = false", "[ (json array of strings)\n" " \"transactionid\" (string) The transaction id of an in-mempool descendant transaction\n" " ,...\n" "]\n" - "\nResult (for verbose=true):\n" + }, + RPCResult{"for verbose = true", "{ (json object)\n" " \"transactionid\" : { (json object)\n" + EntryDescriptionString() + " }, ...\n" "}\n" - "\nExamples:\n" - + HelpExampleCli("getmempooldescendants", "\"mytxid\"") + }, + }, + RPCExamples{ + HelpExampleCli("getmempooldescendants", "\"mytxid\"") + HelpExampleRpc("getmempooldescendants", "\"mytxid\"") - ); + }, + }.ToString()); } bool fVerbose = false; @@ -612,7 +672,7 @@ static UniValue getmempooldescendants(const JSONRPCRequest& request) const CTxMemPoolEntry &e = *descendantIt; const uint256& _hash = e.GetTx().GetHash(); UniValue info(UniValue::VOBJ); - entryToJSON(info, e); + entryToJSON(::mempool, info, e); o.pushKV(_hash.ToString(), info); } return o; @@ -623,18 +683,21 @@ static UniValue getmempoolentry(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 1) { throw std::runtime_error( - "getmempoolentry txid\n" - "\nReturns mempool data for given transaction\n" - "\nArguments:\n" - "1. \"txid\" (string, required) The transaction id (must be in mempool)\n" - "\nResult:\n" + RPCHelpMan{"getmempoolentry", + "\nReturns mempool data for given transaction\n", + { + {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id (must be in mempool)"}, + }, + RPCResult{ "{ (json object)\n" + EntryDescriptionString() + "}\n" - "\nExamples:\n" - + HelpExampleCli("getmempoolentry", "\"mytxid\"") + }, + RPCExamples{ + HelpExampleCli("getmempoolentry", "\"mytxid\"") + HelpExampleRpc("getmempoolentry", "\"mytxid\"") - ); + }, + }.ToString()); } uint256 hash = ParseHashV(request.params[0], "parameter 1"); @@ -648,7 +711,7 @@ static UniValue getmempoolentry(const JSONRPCRequest& request) const CTxMemPoolEntry &e = *it; UniValue info(UniValue::VOBJ); - entryToJSON(info, e); + entryToJSON(::mempool, info, e); return info; } @@ -656,24 +719,27 @@ static UniValue getblockhash(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 1) throw std::runtime_error( - "getblockhash height\n" - "\nReturns hash of block in best-block-chain at height provided.\n" - "\nArguments:\n" - "1. height (numeric, required) The height index\n" - "\nResult:\n" + RPCHelpMan{"getblockhash", + "\nReturns hash of block in best-block-chain at height provided.\n", + { + {"height", RPCArg::Type::NUM, RPCArg::Optional::NO, "The height index"}, + }, + RPCResult{ "\"hash\" (string) The block hash\n" - "\nExamples:\n" - + HelpExampleCli("getblockhash", "1000") + }, + RPCExamples{ + HelpExampleCli("getblockhash", "1000") + HelpExampleRpc("getblockhash", "1000") - ); + }, + }.ToString()); LOCK(cs_main); int nHeight = request.params[0].get_int(); - if (nHeight < 0 || nHeight > chainActive.Height()) + if (nHeight < 0 || nHeight > ::ChainActive().Height()) throw JSONRPCError(RPC_INVALID_PARAMETER, "Block height out of range"); - CBlockIndex* pblockindex = chainActive[nHeight]; + CBlockIndex* pblockindex = ::ChainActive()[nHeight]; return pblockindex->GetBlockHash().GetHex(); } @@ -681,13 +747,15 @@ static UniValue getblockheader(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) throw std::runtime_error( - "getblockheader \"hash\" ( verbose )\n" - "\nIf verbose is false, returns a string that is serialized, hex-encoded data for blockheader 'hash'.\n" - "If verbose is true, returns an Object with information about blockheader <hash>.\n" - "\nArguments:\n" - "1. \"hash\" (string, required) The block hash\n" - "2. verbose (boolean, optional, default=true) true for a json object, false for the hex encoded data\n" - "\nResult (for verbose = true):\n" + RPCHelpMan{"getblockheader", + "\nIf verbose is false, returns a string that is serialized, hex-encoded data for blockheader 'hash'.\n" + "If verbose is true, returns an Object with information about blockheader <hash>.\n", + { + {"blockhash", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The block hash"}, + {"verbose", RPCArg::Type::BOOL, /* default */ "true", "true for a json object, false for the hex-encoded data"}, + }, + { + RPCResult{"for verbose = true", "{\n" " \"hash\" : \"hash\", (string) the block hash (same as provided)\n" " \"confirmations\" : n, (numeric) The number of confirmations, or -1 if the block is not on the main chain\n" @@ -705,23 +773,31 @@ static UniValue getblockheader(const JSONRPCRequest& request) " \"previousblockhash\" : \"hash\", (string) The hash of the previous block\n" " \"nextblockhash\" : \"hash\", (string) The hash of the next block\n" "}\n" - "\nResult (for verbose=false):\n" + }, + RPCResult{"for verbose=false", "\"data\" (string) A string that is serialized, hex-encoded data for block 'hash'.\n" - "\nExamples:\n" - + HelpExampleCli("getblockheader", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"") + }, + }, + RPCExamples{ + HelpExampleCli("getblockheader", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"") + HelpExampleRpc("getblockheader", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"") - ); - - LOCK(cs_main); + }, + }.ToString()); - std::string strHash = request.params[0].get_str(); - uint256 hash(uint256S(strHash)); + uint256 hash(ParseHashV(request.params[0], "hash")); bool fVerbose = true; if (!request.params[1].isNull()) fVerbose = request.params[1].get_bool(); - const CBlockIndex* pblockindex = LookupBlockIndex(hash); + const CBlockIndex* pblockindex; + const CBlockIndex* tip; + { + LOCK(cs_main); + pblockindex = LookupBlockIndex(hash); + tip = ::ChainActive().Tip(); + } + if (!pblockindex) { throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found"); } @@ -734,7 +810,7 @@ static UniValue getblockheader(const JSONRPCRequest& request) return strHex; } - return blockheaderToJSON(pblockindex); + return blockheaderToJSON(tip, pblockindex); } static CBlock GetBlockChecked(const CBlockIndex* pblockindex) @@ -756,20 +832,35 @@ static CBlock GetBlockChecked(const CBlockIndex* pblockindex) return block; } +static CBlockUndo GetUndoChecked(const CBlockIndex* pblockindex) +{ + CBlockUndo blockUndo; + if (IsBlockPruned(pblockindex)) { + throw JSONRPCError(RPC_MISC_ERROR, "Undo data not available (pruned data)"); + } + + if (!UndoReadFromDisk(blockUndo, pblockindex)) { + throw JSONRPCError(RPC_MISC_ERROR, "Can't read undo data from disk"); + } + + return blockUndo; +} + static UniValue getblock(const JSONRPCRequest& request) { - if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) - throw std::runtime_error( - "getblock \"blockhash\" ( verbosity ) \n" - "\nIf verbosity is 0, returns a string that is serialized, hex-encoded data for block 'hash'.\n" - "If verbosity is 1, returns an Object with information about block <hash>.\n" - "If verbosity is 2, returns an Object with information about block <hash> and information about each transaction. \n" - "\nArguments:\n" - "1. \"blockhash\" (string, required) The block hash\n" - "2. verbosity (numeric, optional, default=1) 0 for hex encoded data, 1 for a json object, and 2 for json object with transaction data\n" - "\nResult (for verbosity = 0):\n" + const RPCHelpMan help{"getblock", + "\nIf verbosity is 0, returns a string that is serialized, hex-encoded data for block 'hash'.\n" + "If verbosity is 1, returns an Object with information about block <hash>.\n" + "If verbosity is 2, returns an Object with information about block <hash> and information about each transaction. \n", + { + {"blockhash", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The block hash"}, + {"verbosity", RPCArg::Type::NUM, /* default */ "1", "0 for hex-encoded data, 1 for a json object, and 2 for json object with transaction data"}, + }, + { + RPCResult{"for verbosity = 0", "\"data\" (string) A string that is serialized, hex-encoded data for block 'hash'.\n" - "\nResult (for verbosity = 1):\n" + }, + RPCResult{"for verbosity = 1", "{\n" " \"hash\" : \"hash\", (string) the block hash (same as provided)\n" " \"confirmations\" : n, (numeric) The number of confirmations, or -1 if the block is not on the main chain\n" @@ -794,7 +885,8 @@ static UniValue getblock(const JSONRPCRequest& request) " \"previousblockhash\" : \"hash\", (string) The hash of the previous block\n" " \"nextblockhash\" : \"hash\" (string) The hash of the next block\n" "}\n" - "\nResult (for verbosity = 2):\n" + }, + RPCResult{"for verbosity = 2", "{\n" " ..., Same output as verbosity = 1.\n" " \"tx\" : [ (array of Objects) The transactions in the format of the getrawtransaction RPC. Different from verbosity = 1 \"tx\" result.\n" @@ -802,15 +894,19 @@ static UniValue getblock(const JSONRPCRequest& request) " ],\n" " ,... Same output as verbosity = 1.\n" "}\n" - "\nExamples:\n" - + HelpExampleCli("getblock", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"") + }, + }, + RPCExamples{ + HelpExampleCli("getblock", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"") + HelpExampleRpc("getblock", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"") - ); + }, + }; - LOCK(cs_main); + if (request.fHelp || !help.IsValidNumArgs(request.params.size())) { + throw std::runtime_error(help.ToString()); + } - std::string strHash = request.params[0].get_str(); - uint256 hash(uint256S(strHash)); + uint256 hash(ParseHashV(request.params[0], "blockhash")); int verbosity = 1; if (!request.params[1].isNull()) { @@ -820,12 +916,20 @@ static UniValue getblock(const JSONRPCRequest& request) verbosity = request.params[1].get_bool() ? 1 : 0; } - const CBlockIndex* pblockindex = LookupBlockIndex(hash); - if (!pblockindex) { - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found"); - } + CBlock block; + const CBlockIndex* pblockindex; + const CBlockIndex* tip; + { + LOCK(cs_main); + pblockindex = LookupBlockIndex(hash); + tip = ::ChainActive().Tip(); - const CBlock block = GetBlockChecked(pblockindex); + if (!pblockindex) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found"); + } + + block = GetBlockChecked(pblockindex); + } if (verbosity <= 0) { @@ -835,7 +939,7 @@ static UniValue getblock(const JSONRPCRequest& request) return strHex; } - return blockToJSON(block, pblockindex, verbosity >= 2); + return blockToJSON(block, tip, pblockindex, verbosity >= 2); } struct CCoinsStats @@ -913,15 +1017,19 @@ static UniValue pruneblockchain(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 1) throw std::runtime_error( - "pruneblockchain\n" - "\nArguments:\n" - "1. \"height\" (numeric, required) The block height to prune up to. May be set to a discrete height, or a unix timestamp\n" - " to prune blocks whose block time is at least 2 hours older than the provided timestamp.\n" - "\nResult:\n" + RPCHelpMan{"pruneblockchain", "", + { + {"height", RPCArg::Type::NUM, RPCArg::Optional::NO, "The block height to prune up to. May be set to a discrete height, or a unix timestamp\n" + " to prune blocks whose block time is at least 2 hours older than the provided timestamp."}, + }, + RPCResult{ "n (numeric) Height of the last block pruned.\n" - "\nExamples:\n" - + HelpExampleCli("pruneblockchain", "1000") - + HelpExampleRpc("pruneblockchain", "1000")); + }, + RPCExamples{ + HelpExampleCli("pruneblockchain", "1000") + + HelpExampleRpc("pruneblockchain", "1000") + }, + }.ToString()); if (!fPruneMode) throw JSONRPCError(RPC_MISC_ERROR, "Cannot prune blocks because node is not in prune mode."); @@ -936,7 +1044,7 @@ static UniValue pruneblockchain(const JSONRPCRequest& request) // too low to be a block time (corresponds to timestamp from Sep 2001). if (heightParam > 1000000000) { // Add a 2 hour buffer to include blocks which might have had old timestamps - CBlockIndex* pindex = chainActive.FindEarliestAtLeast(heightParam - TIMESTAMP_WINDOW); + CBlockIndex* pindex = ::ChainActive().FindEarliestAtLeast(heightParam - TIMESTAMP_WINDOW, 0); if (!pindex) { throw JSONRPCError(RPC_INVALID_PARAMETER, "Could not find block with at least the specified timestamp."); } @@ -944,7 +1052,7 @@ static UniValue pruneblockchain(const JSONRPCRequest& request) } unsigned int height = (unsigned int) heightParam; - unsigned int chainHeight = (unsigned int) chainActive.Height(); + unsigned int chainHeight = (unsigned int) ::ChainActive().Height(); if (chainHeight < Params().PruneAfterHeight()) throw JSONRPCError(RPC_MISC_ERROR, "Blockchain is too short for pruning."); else if (height > chainHeight) @@ -962,10 +1070,11 @@ static UniValue gettxoutsetinfo(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 0) throw std::runtime_error( - "gettxoutsetinfo\n" - "\nReturns statistics about the unspent transaction output set.\n" - "Note this call may take some time.\n" - "\nResult:\n" + RPCHelpMan{"gettxoutsetinfo", + "\nReturns statistics about the unspent transaction output set.\n" + "Note this call may take some time.\n", + {}, + RPCResult{ "{\n" " \"height\":n, (numeric) The current block height (index)\n" " \"bestblock\": \"hex\", (string) The hash of the block at the tip of the chain\n" @@ -976,10 +1085,12 @@ static UniValue gettxoutsetinfo(const JSONRPCRequest& request) " \"disk_size\": n, (numeric) The estimated size of the chainstate on disk\n" " \"total_amount\": x.xxx (numeric) The total amount\n" "}\n" - "\nExamples:\n" - + HelpExampleCli("gettxoutsetinfo", "") + }, + RPCExamples{ + HelpExampleCli("gettxoutsetinfo", "") + HelpExampleRpc("gettxoutsetinfo", "") - ); + }, + }.ToString()); UniValue ret(UniValue::VOBJ); @@ -1004,14 +1115,14 @@ UniValue gettxout(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() < 2 || request.params.size() > 3) throw std::runtime_error( - "gettxout \"txid\" n ( include_mempool )\n" - "\nReturns details about an unspent transaction output.\n" - "\nArguments:\n" - "1. \"txid\" (string, required) The transaction id\n" - "2. \"n\" (numeric, required) vout number\n" - "3. \"include_mempool\" (boolean, optional) Whether to include the mempool. Default: true." - " Note that an unspent output that is spent in the mempool won't appear.\n" - "\nResult:\n" + RPCHelpMan{"gettxout", + "\nReturns details about an unspent transaction output.\n", + { + {"txid", RPCArg::Type::STR, RPCArg::Optional::NO, "The transaction id"}, + {"n", RPCArg::Type::NUM, RPCArg::Optional::NO, "vout number"}, + {"include_mempool", RPCArg::Type::BOOL, /* default */ "true", "Whether to include the mempool. Note that an unspent output that is spent in the mempool won't appear."}, + }, + RPCResult{ "{\n" " \"bestblock\": \"hash\", (string) The hash of the block at the tip of the chain\n" " \"confirmations\" : n, (numeric) The number of confirmations\n" @@ -1028,22 +1139,22 @@ UniValue gettxout(const JSONRPCRequest& request) " },\n" " \"coinbase\" : true|false (boolean) Coinbase or not\n" "}\n" - - "\nExamples:\n" + }, + RPCExamples{ "\nGet unspent transactions\n" + HelpExampleCli("listunspent", "") + "\nView the details\n" + HelpExampleCli("gettxout", "\"txid\" 1") + - "\nAs a json rpc call\n" + "\nAs a JSON-RPC call\n" + HelpExampleRpc("gettxout", "\"txid\", 1") - ); + }, + }.ToString()); LOCK(cs_main); UniValue ret(UniValue::VOBJ); - std::string strHash = request.params[0].get_str(); - uint256 hash(uint256S(strHash)); + uint256 hash(ParseHashV(request.params[0], "txid")); int n = request.params[1].get_int(); COutPoint out(hash, n); bool fMempool = true; @@ -1085,17 +1196,20 @@ static UniValue verifychain(const JSONRPCRequest& request) int nCheckDepth = gArgs.GetArg("-checkblocks", DEFAULT_CHECKBLOCKS); if (request.fHelp || request.params.size() > 2) throw std::runtime_error( - "verifychain ( checklevel nblocks )\n" - "\nVerifies blockchain database.\n" - "\nArguments:\n" - "1. checklevel (numeric, optional, 0-4, default=" + strprintf("%d", nCheckLevel) + ") How thorough the block verification is.\n" - "2. nblocks (numeric, optional, default=" + strprintf("%d", nCheckDepth) + ", 0=all) The number of blocks to check.\n" - "\nResult:\n" + RPCHelpMan{"verifychain", + "\nVerifies blockchain database.\n", + { + {"checklevel", RPCArg::Type::NUM, /* default */ strprintf("%d, range=0-4", nCheckLevel), "How thorough the block verification is."}, + {"nblocks", RPCArg::Type::NUM, /* default */ strprintf("%d, 0=all", nCheckDepth), "The number of blocks to check."}, + }, + RPCResult{ "true|false (boolean) Verified or not\n" - "\nExamples:\n" - + HelpExampleCli("verifychain", "") + }, + RPCExamples{ + HelpExampleCli("verifychain", "") + HelpExampleRpc("verifychain", "") - ); + }, + }.ToString()); LOCK(cs_main); @@ -1108,7 +1222,7 @@ static UniValue verifychain(const JSONRPCRequest& request) } /** Implementation of IsSuperMajority with better feedback */ -static UniValue SoftForkMajorityDesc(int version, CBlockIndex* pindex, const Consensus::Params& consensusParams) +static UniValue SoftForkMajorityDesc(int version, const CBlockIndex* pindex, const Consensus::Params& consensusParams) { UniValue rv(UniValue::VOBJ); bool activated = false; @@ -1128,7 +1242,7 @@ static UniValue SoftForkMajorityDesc(int version, CBlockIndex* pindex, const Con return rv; } -static UniValue SoftForkDesc(const std::string &name, int version, CBlockIndex* pindex, const Consensus::Params& consensusParams) +static UniValue SoftForkDesc(const std::string &name, int version, const CBlockIndex* pindex, const Consensus::Params& consensusParams) { UniValue rv(UniValue::VOBJ); rv.pushKV("id", name); @@ -1182,9 +1296,10 @@ UniValue getblockchaininfo(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 0) throw std::runtime_error( - "getblockchaininfo\n" - "Returns an object containing various state info regarding blockchain processing.\n" - "\nResult:\n" + RPCHelpMan{"getblockchaininfo", + "Returns an object containing various state info regarding blockchain processing.\n", + {}, + RPCResult{ "{\n" " \"chain\": \"xxxx\", (string) current network name as defined in BIP70 (main, test, regtest)\n" " \"blocks\": xxxxxx, (numeric) the current number of blocks processed in the server\n" @@ -1227,27 +1342,30 @@ UniValue getblockchaininfo(const JSONRPCRequest& request) " }\n" " \"warnings\" : \"...\", (string) any network and blockchain warnings.\n" "}\n" - "\nExamples:\n" - + HelpExampleCli("getblockchaininfo", "") + }, + RPCExamples{ + HelpExampleCli("getblockchaininfo", "") + HelpExampleRpc("getblockchaininfo", "") - ); + }, + }.ToString()); LOCK(cs_main); + const CBlockIndex* tip = ::ChainActive().Tip(); UniValue obj(UniValue::VOBJ); obj.pushKV("chain", Params().NetworkIDString()); - obj.pushKV("blocks", (int)chainActive.Height()); + obj.pushKV("blocks", (int)::ChainActive().Height()); obj.pushKV("headers", pindexBestHeader ? pindexBestHeader->nHeight : -1); - obj.pushKV("bestblockhash", chainActive.Tip()->GetBlockHash().GetHex()); - obj.pushKV("difficulty", (double)GetDifficulty(chainActive.Tip())); - obj.pushKV("mediantime", (int64_t)chainActive.Tip()->GetMedianTimePast()); - obj.pushKV("verificationprogress", GuessVerificationProgress(Params().TxData(), chainActive.Tip())); + obj.pushKV("bestblockhash", tip->GetBlockHash().GetHex()); + obj.pushKV("difficulty", (double)GetDifficulty(tip)); + obj.pushKV("mediantime", (int64_t)tip->GetMedianTimePast()); + obj.pushKV("verificationprogress", GuessVerificationProgress(Params().TxData(), tip)); obj.pushKV("initialblockdownload", IsInitialBlockDownload()); - obj.pushKV("chainwork", chainActive.Tip()->nChainWork.GetHex()); + obj.pushKV("chainwork", tip->nChainWork.GetHex()); obj.pushKV("size_on_disk", CalculateCurrentUsage()); obj.pushKV("pruned", fPruneMode); if (fPruneMode) { - CBlockIndex* block = chainActive.Tip(); + const CBlockIndex* block = tip; assert(block); while (block->pprev && (block->pprev->nStatus & BLOCK_HAVE_DATA)) { block = block->pprev; @@ -1264,7 +1382,6 @@ UniValue getblockchaininfo(const JSONRPCRequest& request) } const Consensus::Params& consensusParams = Params().GetConsensus(); - CBlockIndex* tip = chainActive.Tip(); UniValue softforks(UniValue::VARR); UniValue bip9_softforks(UniValue::VOBJ); softforks.push_back(SoftForkDesc("bip34", 2, tip, consensusParams)); @@ -1299,10 +1416,11 @@ static UniValue getchaintips(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 0) throw std::runtime_error( - "getchaintips\n" - "Return information about all known tips in the block tree," - " including the main chain as well as orphaned branches.\n" - "\nResult:\n" + RPCHelpMan{"getchaintips", + "Return information about all known tips in the block tree," + " including the main chain as well as orphaned branches.\n", + {}, + RPCResult{ "[\n" " {\n" " \"height\": xxxx, (numeric) height of the chain tip\n" @@ -1323,19 +1441,21 @@ static UniValue getchaintips(const JSONRPCRequest& request) "3. \"valid-headers\" All blocks are available for this branch, but they were never fully validated\n" "4. \"valid-fork\" This branch is not part of the active chain, but is fully validated\n" "5. \"active\" This is the tip of the active main chain, which is certainly valid\n" - "\nExamples:\n" - + HelpExampleCli("getchaintips", "") + }, + RPCExamples{ + HelpExampleCli("getchaintips", "") + HelpExampleRpc("getchaintips", "") - ); + }, + }.ToString()); LOCK(cs_main); /* - * Idea: the set of chain tips is chainActive.tip, plus orphan blocks which do not have another orphan building off of them. + * Idea: the set of chain tips is ::ChainActive().tip, plus orphan blocks which do not have another orphan building off of them. * Algorithm: * - Make one pass through mapBlockIndex, picking out the orphan blocks, and also storing a set of the orphan block's pprev pointers. * - Iterate through the orphan blocks. If the block isn't pointed to by another orphan, it is a chain tip. - * - add chainActive.Tip() + * - add ::ChainActive().Tip() */ std::set<const CBlockIndex*, CompareBlocksByHeight> setTips; std::set<const CBlockIndex*> setOrphans; @@ -1343,7 +1463,7 @@ static UniValue getchaintips(const JSONRPCRequest& request) for (const std::pair<const uint256, CBlockIndex*>& item : mapBlockIndex) { - if (!chainActive.Contains(item.second)) { + if (!::ChainActive().Contains(item.second)) { setOrphans.insert(item.second); setPrevs.insert(item.second->pprev); } @@ -1357,7 +1477,7 @@ static UniValue getchaintips(const JSONRPCRequest& request) } // Always report the currently active tip. - setTips.insert(chainActive.Tip()); + setTips.insert(::ChainActive().Tip()); /* Construct the output array. */ UniValue res(UniValue::VARR); @@ -1367,17 +1487,17 @@ static UniValue getchaintips(const JSONRPCRequest& request) obj.pushKV("height", block->nHeight); obj.pushKV("hash", block->phashBlock->GetHex()); - const int branchLen = block->nHeight - chainActive.FindFork(block)->nHeight; + const int branchLen = block->nHeight - ::ChainActive().FindFork(block)->nHeight; obj.pushKV("branchlen", branchLen); std::string status; - if (chainActive.Contains(block)) { + if (::ChainActive().Contains(block)) { // This block is part of the currently active chain. status = "active"; } else if (block->nStatus & BLOCK_FAILED_MASK) { // This block or one of its ancestors is invalid. status = "invalid"; - } else if (block->nChainTx == 0) { + } else if (!block->HaveTxsDownloaded()) { // This block cannot be connected because full block data for it or one of its parents is missing. status = "headers-only"; } else if (block->IsValid(BLOCK_VALID_SCRIPTS)) { @@ -1398,15 +1518,18 @@ static UniValue getchaintips(const JSONRPCRequest& request) return res; } -UniValue mempoolInfoToJSON() +UniValue MempoolInfoToJSON(const CTxMemPool& pool) { + // Make sure this call is atomic in the pool. + LOCK(pool.cs); UniValue ret(UniValue::VOBJ); - ret.pushKV("size", (int64_t) mempool.size()); - ret.pushKV("bytes", (int64_t) mempool.GetTotalTxSize()); - ret.pushKV("usage", (int64_t) mempool.DynamicMemoryUsage()); + ret.pushKV("loaded", pool.IsLoaded()); + ret.pushKV("size", (int64_t)pool.size()); + ret.pushKV("bytes", (int64_t)pool.GetTotalTxSize()); + ret.pushKV("usage", (int64_t)pool.DynamicMemoryUsage()); size_t maxmempool = gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000; ret.pushKV("maxmempool", (int64_t) maxmempool); - ret.pushKV("mempoolminfee", ValueFromAmount(std::max(mempool.GetMinFee(maxmempool), ::minRelayTxFee).GetFeePerK())); + ret.pushKV("mempoolminfee", ValueFromAmount(std::max(pool.GetMinFee(maxmempool), ::minRelayTxFee).GetFeePerK())); ret.pushKV("minrelaytxfee", ValueFromAmount(::minRelayTxFee.GetFeePerK())); return ret; @@ -1416,10 +1539,12 @@ static UniValue getmempoolinfo(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 0) throw std::runtime_error( - "getmempoolinfo\n" - "\nReturns details on the active state of the TX memory pool.\n" - "\nResult:\n" + RPCHelpMan{"getmempoolinfo", + "\nReturns details on the active state of the TX memory pool.\n", + {}, + RPCResult{ "{\n" + " \"loaded\": true|false (boolean) True if the mempool is fully loaded\n" " \"size\": xxxxx, (numeric) Current tx count\n" " \"bytes\": xxxxx, (numeric) Sum of all virtual transaction sizes as defined in BIP 141. Differs from actual serialized size because witness data is discounted\n" " \"usage\": xxxxx, (numeric) Total memory usage for the mempool\n" @@ -1427,32 +1552,35 @@ static UniValue getmempoolinfo(const JSONRPCRequest& request) " \"mempoolminfee\": xxxxx (numeric) Minimum fee rate in " + CURRENCY_UNIT + "/kB for tx to be accepted. Is the maximum of minrelaytxfee and minimum mempool fee\n" " \"minrelaytxfee\": xxxxx (numeric) Current minimum relay fee for transactions\n" "}\n" - "\nExamples:\n" - + HelpExampleCli("getmempoolinfo", "") + }, + RPCExamples{ + HelpExampleCli("getmempoolinfo", "") + HelpExampleRpc("getmempoolinfo", "") - ); + }, + }.ToString()); - return mempoolInfoToJSON(); + return MempoolInfoToJSON(::mempool); } static UniValue preciousblock(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 1) throw std::runtime_error( - "preciousblock \"blockhash\"\n" - "\nTreats a block as if it were received before others with the same work.\n" - "\nA later preciousblock call can override the effect of an earlier one.\n" - "\nThe effects of preciousblock are not retained across restarts.\n" - "\nArguments:\n" - "1. \"blockhash\" (string, required) the hash of the block to mark as precious\n" - "\nResult:\n" - "\nExamples:\n" - + HelpExampleCli("preciousblock", "\"blockhash\"") + RPCHelpMan{"preciousblock", + "\nTreats a block as if it were received before others with the same work.\n" + "\nA later preciousblock call can override the effect of an earlier one.\n" + "\nThe effects of preciousblock are not retained across restarts.\n", + { + {"blockhash", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "the hash of the block to mark as precious"}, + }, + RPCResults{}, + RPCExamples{ + HelpExampleCli("preciousblock", "\"blockhash\"") + HelpExampleRpc("preciousblock", "\"blockhash\"") - ); + }, + }.ToString()); - std::string strHash = request.params[0].get_str(); - uint256 hash(uint256S(strHash)); + uint256 hash(ParseHashV(request.params[0], "blockhash")); CBlockIndex* pblockindex; { @@ -1477,29 +1605,30 @@ static UniValue invalidateblock(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 1) throw std::runtime_error( - "invalidateblock \"blockhash\"\n" - "\nPermanently marks a block as invalid, as if it violated a consensus rule.\n" - "\nArguments:\n" - "1. \"blockhash\" (string, required) the hash of the block to mark as invalid\n" - "\nResult:\n" - "\nExamples:\n" - + HelpExampleCli("invalidateblock", "\"blockhash\"") + RPCHelpMan{"invalidateblock", + "\nPermanently marks a block as invalid, as if it violated a consensus rule.\n", + { + {"blockhash", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "the hash of the block to mark as invalid"}, + }, + RPCResults{}, + RPCExamples{ + HelpExampleCli("invalidateblock", "\"blockhash\"") + HelpExampleRpc("invalidateblock", "\"blockhash\"") - ); + }, + }.ToString()); - std::string strHash = request.params[0].get_str(); - uint256 hash(uint256S(strHash)); + uint256 hash(ParseHashV(request.params[0], "blockhash")); CValidationState state; + CBlockIndex* pblockindex; { LOCK(cs_main); - CBlockIndex* pblockindex = LookupBlockIndex(hash); + pblockindex = LookupBlockIndex(hash); if (!pblockindex) { throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found"); } - - InvalidateBlock(state, Params(), pblockindex); } + InvalidateBlock(state, Params(), pblockindex); if (state.IsValid()) { ActivateBestChain(state, Params()); @@ -1516,19 +1645,20 @@ static UniValue reconsiderblock(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 1) throw std::runtime_error( - "reconsiderblock \"blockhash\"\n" - "\nRemoves invalidity status of a block and its descendants, reconsider them for activation.\n" - "This can be used to undo the effects of invalidateblock.\n" - "\nArguments:\n" - "1. \"blockhash\" (string, required) the hash of the block to reconsider\n" - "\nResult:\n" - "\nExamples:\n" - + HelpExampleCli("reconsiderblock", "\"blockhash\"") + RPCHelpMan{"reconsiderblock", + "\nRemoves invalidity status of a block, its ancestors and its descendants, reconsider them for activation.\n" + "This can be used to undo the effects of invalidateblock.\n", + { + {"blockhash", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "the hash of the block to reconsider"}, + }, + RPCResults{}, + RPCExamples{ + HelpExampleCli("reconsiderblock", "\"blockhash\"") + HelpExampleRpc("reconsiderblock", "\"blockhash\"") - ); + }, + }.ToString()); - std::string strHash = request.params[0].get_str(); - uint256 hash(uint256S(strHash)); + uint256 hash(ParseHashV(request.params[0], "blockhash")); { LOCK(cs_main); @@ -1554,12 +1684,13 @@ static UniValue getchaintxstats(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() > 2) throw std::runtime_error( - "getchaintxstats ( nblocks blockhash )\n" - "\nCompute statistics about the total number and rate of transactions in the chain.\n" - "\nArguments:\n" - "1. nblocks (numeric, optional) Size of the window in number of blocks (default: one month).\n" - "2. \"blockhash\" (string, optional) The hash of the block that ends the window.\n" - "\nResult:\n" + RPCHelpMan{"getchaintxstats", + "\nCompute statistics about the total number and rate of transactions in the chain.\n", + { + {"nblocks", RPCArg::Type::NUM, /* default */ "one month", "Size of the window in number of blocks"}, + {"blockhash", RPCArg::Type::STR_HEX, /* default */ "chain tip", "The hash of the block that ends the window."}, + }, + RPCResult{ "{\n" " \"time\": xxxxx, (numeric) The timestamp for the final block in the window in UNIX format.\n" " \"txcount\": xxxxx, (numeric) The total number of transactions in the chain up to that point.\n" @@ -1569,25 +1700,27 @@ static UniValue getchaintxstats(const JSONRPCRequest& request) " \"window_interval\": xxxxx, (numeric) The elapsed time in the window in seconds. Only returned if \"window_block_count\" is > 0.\n" " \"txrate\": x.xx, (numeric) The average rate of transactions per second in the window. Only returned if \"window_interval\" is > 0.\n" "}\n" - "\nExamples:\n" - + HelpExampleCli("getchaintxstats", "") + }, + RPCExamples{ + HelpExampleCli("getchaintxstats", "") + HelpExampleRpc("getchaintxstats", "2016") - ); + }, + }.ToString()); const CBlockIndex* pindex; int blockcount = 30 * 24 * 60 * 60 / Params().GetConsensus().nPowTargetSpacing; // By default: 1 month if (request.params[1].isNull()) { LOCK(cs_main); - pindex = chainActive.Tip(); + pindex = ::ChainActive().Tip(); } else { - uint256 hash = uint256S(request.params[1].get_str()); + uint256 hash(ParseHashV(request.params[1], "blockhash")); LOCK(cs_main); pindex = LookupBlockIndex(hash); if (!pindex) { throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found"); } - if (!chainActive.Contains(pindex)) { + if (!::ChainActive().Contains(pindex)) { throw JSONRPCError(RPC_INVALID_PARAMETER, "Block is not in main chain"); } } @@ -1640,6 +1773,35 @@ static T CalculateTruncatedMedian(std::vector<T>& scores) } } +void CalculatePercentilesByWeight(CAmount result[NUM_GETBLOCKSTATS_PERCENTILES], std::vector<std::pair<CAmount, int64_t>>& scores, int64_t total_weight) +{ + if (scores.empty()) { + return; + } + + std::sort(scores.begin(), scores.end()); + + // 10th, 25th, 50th, 75th, and 90th percentile weight units. + const double weights[NUM_GETBLOCKSTATS_PERCENTILES] = { + total_weight / 10.0, total_weight / 4.0, total_weight / 2.0, (total_weight * 3.0) / 4.0, (total_weight * 9.0) / 10.0 + }; + + int64_t next_percentile_index = 0; + int64_t cumulative_weight = 0; + for (const auto& element : scores) { + cumulative_weight += element.second; + while (next_percentile_index < NUM_GETBLOCKSTATS_PERCENTILES && cumulative_weight >= weights[next_percentile_index]) { + result[next_percentile_index] = element.first; + ++next_percentile_index; + } + } + + // Fill any remaining percentiles with the last value. + for (int64_t i = next_percentile_index; i < NUM_GETBLOCKSTATS_PERCENTILES; i++) { + result[i] = scores.back().first; + } +} + template<typename T> static inline bool SetHasKeys(const std::set<T>& set) {return false;} template<typename T, typename Tk, typename... Args> @@ -1653,33 +1815,37 @@ static constexpr size_t PER_UTXO_OVERHEAD = sizeof(COutPoint) + sizeof(uint32_t) static UniValue getblockstats(const JSONRPCRequest& request) { - if (request.fHelp || request.params.size() < 1 || request.params.size() > 4) { - throw std::runtime_error( - "getblockstats hash_or_height ( stats )\n" - "\nCompute per block statistics for a given window. All amounts are in satoshis.\n" - "It won't work for some heights with pruning.\n" - "It won't work without -txindex for utxo_size_inc, *fee or *feerate stats.\n" - "\nArguments:\n" - "1. \"hash_or_height\" (string or numeric, required) The block hash or height of the target block\n" - "2. \"stats\" (array, optional) Values to plot, by default all values (see result below)\n" - " [\n" - " \"height\", (string, optional) Selected statistic\n" - " \"time\", (string, optional) Selected statistic\n" - " ,...\n" - " ]\n" - "\nResult:\n" + const RPCHelpMan help{"getblockstats", + "\nCompute per block statistics for a given window. All amounts are in satoshis.\n" + "It won't work for some heights with pruning.\n", + { + {"hash_or_height", RPCArg::Type::NUM, RPCArg::Optional::NO, "The block hash or height of the target block", "", {"", "string or numeric"}}, + {"stats", RPCArg::Type::ARR, /* default */ "all values", "Values to plot (see result below)", + { + {"height", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "Selected statistic"}, + {"time", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "Selected statistic"}, + }, + "stats"}, + }, + RPCResult{ "{ (json object)\n" " \"avgfee\": xxxxx, (numeric) Average fee in the block\n" " \"avgfeerate\": xxxxx, (numeric) Average feerate (in satoshis per virtual byte)\n" " \"avgtxsize\": xxxxx, (numeric) Average transaction size\n" " \"blockhash\": xxxxx, (string) The block hash (to check for potential reorgs)\n" + " \"feerate_percentiles\": [ (array of numeric) Feerates at the 10th, 25th, 50th, 75th, and 90th percentile weight unit (in satoshis per virtual byte)\n" + " \"10th_percentile_feerate\", (numeric) The 10th percentile feerate\n" + " \"25th_percentile_feerate\", (numeric) The 25th percentile feerate\n" + " \"50th_percentile_feerate\", (numeric) The 50th percentile feerate\n" + " \"75th_percentile_feerate\", (numeric) The 75th percentile feerate\n" + " \"90th_percentile_feerate\", (numeric) The 90th percentile feerate\n" + " ],\n" " \"height\": xxxxx, (numeric) The height of the block\n" " \"ins\": xxxxx, (numeric) The number of inputs (excluding coinbase)\n" " \"maxfee\": xxxxx, (numeric) Maximum fee in the block\n" " \"maxfeerate\": xxxxx, (numeric) Maximum feerate (in satoshis per virtual byte)\n" " \"maxtxsize\": xxxxx, (numeric) Maximum transaction size\n" " \"medianfee\": xxxxx, (numeric) Truncated median fee in the block\n" - " \"medianfeerate\": xxxxx, (numeric) Truncated median feerate (in satoshis per virtual byte)\n" " \"mediantime\": xxxxx, (numeric) The block median time past\n" " \"mediantxsize\": xxxxx, (numeric) Truncated median transaction size\n" " \"minfee\": xxxxx, (numeric) Minimum fee in the block\n" @@ -1699,10 +1865,14 @@ static UniValue getblockstats(const JSONRPCRequest& request) " \"utxo_increase\": xxxxx, (numeric) The increase/decrease in the number of unspent outputs\n" " \"utxo_size_inc\": xxxxx, (numeric) The increase/decrease in size for the utxo index (not discounting op_return and similar)\n" "}\n" - "\nExamples:\n" - + HelpExampleCli("getblockstats", "1000 '[\"minfeerate\",\"avgfeerate\"]'") + }, + RPCExamples{ + HelpExampleCli("getblockstats", "1000 '[\"minfeerate\",\"avgfeerate\"]'") + HelpExampleRpc("getblockstats", "1000 '[\"minfeerate\",\"avgfeerate\"]'") - ); + }, + }; + if (request.fHelp || !help.IsValidNumArgs(request.params.size())) { + throw std::runtime_error(help.ToString()); } LOCK(cs_main); @@ -1710,7 +1880,7 @@ static UniValue getblockstats(const JSONRPCRequest& request) CBlockIndex* pindex; if (request.params[0].isNum()) { const int height = request.params[0].get_int(); - const int current_tip = chainActive.Height(); + const int current_tip = ::ChainActive().Height(); if (height < 0) { throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Target block height %d is negative", height)); } @@ -1718,15 +1888,14 @@ static UniValue getblockstats(const JSONRPCRequest& request) throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Target block height %d after current tip %d", height, current_tip)); } - pindex = chainActive[height]; + pindex = ::ChainActive()[height]; } else { - const std::string strHash = request.params[0].get_str(); - const uint256 hash(uint256S(strHash)); + const uint256 hash(ParseHashV(request.params[0], "hash_or_height")); pindex = LookupBlockIndex(hash); if (!pindex) { throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found"); } - if (!chainActive.Contains(pindex)) { + if (!::ChainActive().Contains(pindex)) { throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Block is not in chain %s", Params().NetworkIDString())); } } @@ -1743,17 +1912,18 @@ static UniValue getblockstats(const JSONRPCRequest& request) } const CBlock block = GetBlockChecked(pindex); + const CBlockUndo blockUndo = GetUndoChecked(pindex); const bool do_all = stats.size() == 0; // Calculate everything if nothing selected (default) const bool do_mediantxsize = do_all || stats.count("mediantxsize") != 0; const bool do_medianfee = do_all || stats.count("medianfee") != 0; - const bool do_medianfeerate = do_all || stats.count("medianfeerate") != 0; - const bool loop_inputs = do_all || do_medianfee || do_medianfeerate || + const bool do_feerate_percentiles = do_all || stats.count("feerate_percentiles") != 0; + const bool loop_inputs = do_all || do_medianfee || do_feerate_percentiles || SetHasKeys(stats, "utxo_size_inc", "totalfee", "avgfee", "avgfeerate", "minfee", "maxfee", "minfeerate", "maxfeerate"); const bool loop_outputs = do_all || loop_inputs || stats.count("total_out"); const bool do_calculate_size = do_mediantxsize || SetHasKeys(stats, "total_size", "avgtxsize", "mintxsize", "maxtxsize", "swtotal_size"); - const bool do_calculate_weight = do_all || SetHasKeys(stats, "total_weight", "avgfeerate", "swtotal_weight", "avgfeerate", "medianfeerate", "minfeerate", "maxfeerate"); + const bool do_calculate_weight = do_all || SetHasKeys(stats, "total_weight", "avgfeerate", "swtotal_weight", "avgfeerate", "feerate_percentiles", "minfeerate", "maxfeerate"); const bool do_calculate_sw = do_all || SetHasKeys(stats, "swtxs", "swtotal_size", "swtotal_weight"); CAmount maxfee = 0; @@ -1773,17 +1943,18 @@ static UniValue getblockstats(const JSONRPCRequest& request) int64_t total_weight = 0; int64_t utxo_size_inc = 0; std::vector<CAmount> fee_array; - std::vector<CAmount> feerate_array; + std::vector<std::pair<CAmount, int64_t>> feerate_array; std::vector<int64_t> txsize_array; - for (const auto& tx : block.vtx) { + for (size_t i = 0; i < block.vtx.size(); ++i) { + const auto& tx = block.vtx.at(i); outputs += tx->vout.size(); CAmount tx_total_out = 0; if (loop_outputs) { for (const CTxOut& out : tx->vout) { tx_total_out += out.nValue; - utxo_size_inc += GetSerializeSize(out, SER_NETWORK, PROTOCOL_VERSION) + PER_UTXO_OVERHEAD; + utxo_size_inc += GetSerializeSize(out, PROTOCOL_VERSION) + PER_UTXO_OVERHEAD; } } @@ -1819,22 +1990,13 @@ static UniValue getblockstats(const JSONRPCRequest& request) } if (loop_inputs) { - - if (!g_txindex) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "One or more of the selected stats requires -txindex enabled"); - } CAmount tx_total_in = 0; - for (const CTxIn& in : tx->vin) { - CTransactionRef tx_in; - uint256 hashBlock; - if (!GetTransaction(in.prevout.hash, tx_in, Params().GetConsensus(), hashBlock, false)) { - throw JSONRPCError(RPC_INTERNAL_ERROR, std::string("Unexpected internal error (tx index seems corrupt)")); - } - - CTxOut prevoutput = tx_in->vout[in.prevout.n]; + const auto& txundo = blockUndo.vtxundo.at(i - 1); + for (const Coin& coin: txundo.vprevout) { + const CTxOut& prevoutput = coin.out; tx_total_in += prevoutput.nValue; - utxo_size_inc -= GetSerializeSize(prevoutput, SER_NETWORK, PROTOCOL_VERSION) + PER_UTXO_OVERHEAD; + utxo_size_inc -= GetSerializeSize(prevoutput, PROTOCOL_VERSION) + PER_UTXO_OVERHEAD; } CAmount txfee = tx_total_in - tx_total_out; @@ -1848,26 +2010,34 @@ static UniValue getblockstats(const JSONRPCRequest& request) // New feerate uses satoshis per virtual byte instead of per serialized byte CAmount feerate = weight ? (txfee * WITNESS_SCALE_FACTOR) / weight : 0; - if (do_medianfeerate) { - feerate_array.push_back(feerate); + if (do_feerate_percentiles) { + feerate_array.emplace_back(std::make_pair(feerate, weight)); } maxfeerate = std::max(maxfeerate, feerate); minfeerate = std::min(minfeerate, feerate); } } + CAmount feerate_percentiles[NUM_GETBLOCKSTATS_PERCENTILES] = { 0 }; + CalculatePercentilesByWeight(feerate_percentiles, feerate_array, total_weight); + + UniValue feerates_res(UniValue::VARR); + for (int64_t i = 0; i < NUM_GETBLOCKSTATS_PERCENTILES; i++) { + feerates_res.push_back(feerate_percentiles[i]); + } + UniValue ret_all(UniValue::VOBJ); ret_all.pushKV("avgfee", (block.vtx.size() > 1) ? totalfee / (block.vtx.size() - 1) : 0); ret_all.pushKV("avgfeerate", total_weight ? (totalfee * WITNESS_SCALE_FACTOR) / total_weight : 0); // Unit: sat/vbyte ret_all.pushKV("avgtxsize", (block.vtx.size() > 1) ? total_size / (block.vtx.size() - 1) : 0); ret_all.pushKV("blockhash", pindex->GetBlockHash().GetHex()); + ret_all.pushKV("feerate_percentiles", feerates_res); ret_all.pushKV("height", (int64_t)pindex->nHeight); ret_all.pushKV("ins", inputs); ret_all.pushKV("maxfee", maxfee); ret_all.pushKV("maxfeerate", maxfeerate); ret_all.pushKV("maxtxsize", maxtxsize); ret_all.pushKV("medianfee", CalculateTruncatedMedian(fee_array)); - ret_all.pushKV("medianfeerate", CalculateTruncatedMedian(feerate_array)); ret_all.pushKV("mediantime", pindex->GetMedianTimePast()); ret_all.pushKV("mediantxsize", CalculateTruncatedMedian(txsize_array)); ret_all.pushKV("minfee", (minfee == MAX_MONEY) ? 0 : minfee); @@ -1906,19 +2076,22 @@ static UniValue savemempool(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() != 0) { throw std::runtime_error( - "savemempool\n" - "\nDumps the mempool to disk. It will fail until the previous dump is fully loaded.\n" - "\nExamples:\n" - + HelpExampleCli("savemempool", "") + RPCHelpMan{"savemempool", + "\nDumps the mempool to disk. It will fail until the previous dump is fully loaded.\n", + {}, + RPCResults{}, + RPCExamples{ + HelpExampleCli("savemempool", "") + HelpExampleRpc("savemempool", "") - ); + }, + }.ToString()); } - if (!g_is_mempool_loaded) { + if (!::mempool.IsLoaded()) { throw JSONRPCError(RPC_MISC_ERROR, "The mempool was not loaded yet"); } - if (!DumpMempool()) { + if (!DumpMempool(::mempool)) { throw JSONRPCError(RPC_MISC_ERROR, "Unable to dump mempool to disk"); } @@ -1989,47 +2162,55 @@ UniValue scantxoutset(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) throw std::runtime_error( - "scantxoutset <action> ( <scanobjects> )\n" - "\nEXPERIMENTAL warning: this call may be removed or changed in future releases.\n" - "\nScans the unspent transaction output set for entries that match certain output descriptors.\n" - "Examples of output descriptors are:\n" - " addr(<address>) Outputs whose scriptPubKey corresponds to the specified address (does not include P2PK)\n" - " raw(<hex script>) Outputs whose scriptPubKey equals the specified hex scripts\n" - " combo(<pubkey>) P2PK, P2PKH, P2WPKH, and P2SH-P2WPKH outputs for the given pubkey\n" - " pkh(<pubkey>) P2PKH outputs for the given pubkey\n" - " sh(multi(<n>,<pubkey>,<pubkey>,...)) P2SH-multisig outputs for the given threshold and pubkeys\n" - "\nIn the above, <pubkey> either refers to a fixed public key in hexadecimal notation, or to an xpub/xprv optionally followed by one\n" - "or more path elements separated by \"/\", and optionally ending in \"/*\" (unhardened), or \"/*'\" or \"/*h\" (hardened) to specify all\n" - "unhardened or hardened child keys.\n" - "In the latter case, a range needs to be specified by below if different from 1000.\n" - "For more information on output descriptors, see the documentation at TODO\n" - "\nArguments:\n" - "1. \"action\" (string, required) The action to execute\n" + RPCHelpMan{"scantxoutset", + "\nEXPERIMENTAL warning: this call may be removed or changed in future releases.\n" + "\nScans the unspent transaction output set for entries that match certain output descriptors.\n" + "Examples of output descriptors are:\n" + " addr(<address>) Outputs whose scriptPubKey corresponds to the specified address (does not include P2PK)\n" + " raw(<hex script>) Outputs whose scriptPubKey equals the specified hex scripts\n" + " combo(<pubkey>) P2PK, P2PKH, P2WPKH, and P2SH-P2WPKH outputs for the given pubkey\n" + " pkh(<pubkey>) P2PKH outputs for the given pubkey\n" + " sh(multi(<n>,<pubkey>,<pubkey>,...)) P2SH-multisig outputs for the given threshold and pubkeys\n" + "\nIn the above, <pubkey> either refers to a fixed public key in hexadecimal notation, or to an xpub/xprv optionally followed by one\n" + "or more path elements separated by \"/\", and optionally ending in \"/*\" (unhardened), or \"/*'\" or \"/*h\" (hardened) to specify all\n" + "unhardened or hardened child keys.\n" + "In the latter case, a range needs to be specified by below if different from 1000.\n" + "For more information on output descriptors, see the documentation in the doc/descriptors.md file.\n", + { + {"action", RPCArg::Type::STR, RPCArg::Optional::NO, "The action to execute\n" " \"start\" for starting a scan\n" " \"abort\" for aborting the current scan (returns true when abort was successful)\n" - " \"status\" for progress report (in %) of the current scan\n" - "2. \"scanobjects\" (array, required) Array of scan objects\n" - " [ Every scan object is either a string descriptor or an object:\n" - " \"descriptor\", (string, optional) An output descriptor\n" - " { (object, optional) An object with output descriptor and metadata\n" - " \"desc\": \"descriptor\", (string, required) An output descriptor\n" - " \"range\": n, (numeric, optional) Up to what child index HD chains should be explored (default: 1000)\n" - " },\n" - " ...\n" - " ]\n" - "\nResult:\n" + " \"status\" for progress report (in %) of the current scan"}, + {"scanobjects", RPCArg::Type::ARR, RPCArg::Optional::NO, "Array of scan objects\n" + " Every scan object is either a string descriptor or an object:", + { + {"descriptor", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "An output descriptor"}, + {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "An object with output descriptor and metadata", + { + {"desc", RPCArg::Type::STR, RPCArg::Optional::NO, "An output descriptor"}, + {"range", RPCArg::Type::RANGE, /* default */ "1000", "The range of HD chain indexes to explore (either end or [begin,end])"}, + }, + }, + }, + "[scanobjects,...]"}, + }, + RPCResult{ "{\n" " \"unspents\": [\n" " {\n" " \"txid\" : \"transactionid\", (string) The transaction id\n" " \"vout\": n, (numeric) the vout value\n" " \"scriptPubKey\" : \"script\", (string) the script key\n" + " \"desc\" : \"descriptor\", (string) A specialized descriptor for the matched scriptPubKey\n" " \"amount\" : x.xxx, (numeric) The total amount in " + CURRENCY_UNIT + " of the unspent output\n" " \"height\" : n, (numeric) Height of the unspent transaction output\n" " }\n" " ,...], \n" " \"total_amount\" : x.xxx, (numeric) The total amount of all found unspent outputs in " + CURRENCY_UNIT + "\n" "]\n" + }, + RPCExamples{""}, + }.ToString() ); RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VARR}); @@ -2058,12 +2239,13 @@ UniValue scantxoutset(const JSONRPCRequest& request) throw JSONRPCError(RPC_INVALID_PARAMETER, "Scan already in progress, use action \"abort\" or \"status\""); } std::set<CScript> needles; + std::map<CScript, std::string> descriptors; CAmount total_in = 0; // loop through the scan objects for (const UniValue& scanobject : request.params[1].get_array().getValues()) { std::string desc_str; - int range = 1000; + std::pair<int64_t, int64_t> range = {0, 1000}; if (scanobject.isStr()) { desc_str = scanobject.get_str(); } else if (scanobject.isObject()) { @@ -2072,8 +2254,7 @@ UniValue scantxoutset(const JSONRPCRequest& request) desc_str = desc_uni.get_str(); UniValue range_uni = find_value(scanobject, "range"); if (!range_uni.isNull()) { - range = range_uni.get_int(); - if (range < 0 || range > 1000000) throw JSONRPCError(RPC_INVALID_PARAMETER, "range out of range"); + range = ParseDescriptorRange(range_uni); } } else { throw JSONRPCError(RPC_INVALID_PARAMETER, "Scan object needs to be either a string or an object"); @@ -2084,13 +2265,20 @@ UniValue scantxoutset(const JSONRPCRequest& request) if (!desc) { throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Invalid descriptor '%s'", desc_str)); } - if (!desc->IsRange()) range = 0; - for (int i = 0; i <= range; ++i) { + if (!desc->IsRange()) { + range.first = 0; + range.second = 0; + } + for (int i = range.first; i <= range.second; ++i) { std::vector<CScript> scripts; if (!desc->Expand(i, provider, scripts, provider)) { throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Cannot derive script without private keys: '%s'", desc_str)); } - needles.insert(scripts.begin(), scripts.end()); + for (const auto& script : scripts) { + std::string inferred = InferDescriptor(script, provider)->ToString(); + needles.emplace(script); + descriptors.emplace(std::move(script), std::move(inferred)); + } } } @@ -2123,6 +2311,7 @@ UniValue scantxoutset(const JSONRPCRequest& request) unspent.pushKV("txid", outpoint.hash.GetHex()); unspent.pushKV("vout", (int32_t)outpoint.n); unspent.pushKV("scriptPubKey", HexStr(txo.scriptPubKey.begin(), txo.scriptPubKey.end())); + unspent.pushKV("desc", descriptors[txo.scriptPubKey]); unspent.pushKV("amount", ValueFromAmount(txo.nValue)); unspent.pushKV("height", (int32_t)coin.nHeight); @@ -2136,6 +2325,86 @@ UniValue scantxoutset(const JSONRPCRequest& request) return result; } +static UniValue getblockfilter(const JSONRPCRequest& request) +{ + if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) { + throw std::runtime_error( + RPCHelpMan{"getblockfilter", + "\nRetrieve a BIP 157 content filter for a particular block.\n", + { + {"blockhash", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The hash of the block"}, + {"filtertype", RPCArg::Type::STR, /*default*/ "basic", "The type name of the filter"}, + }, + RPCResult{ + "{\n" + " \"filter\" : (string) the hex-encoded filter data\n" + " \"header\" : (string) the hex-encoded filter header\n" + "}\n" + }, + RPCExamples{ + HelpExampleCli("getblockfilter", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\" \"basic\"") + } + }.ToString() + ); + } + + uint256 block_hash = ParseHashV(request.params[0], "blockhash"); + std::string filtertype_name = "basic"; + if (!request.params[1].isNull()) { + filtertype_name = request.params[1].get_str(); + } + + BlockFilterType filtertype; + if (!BlockFilterTypeByName(filtertype_name, filtertype)) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Unknown filtertype"); + } + + BlockFilterIndex* index = GetBlockFilterIndex(filtertype); + if (!index) { + throw JSONRPCError(RPC_MISC_ERROR, "Index is not enabled for filtertype " + filtertype_name); + } + + const CBlockIndex* block_index; + bool block_was_connected; + { + LOCK(cs_main); + block_index = LookupBlockIndex(block_hash); + if (!block_index) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found"); + } + block_was_connected = block_index->IsValid(BLOCK_VALID_SCRIPTS); + } + + bool index_ready = index->BlockUntilSyncedToCurrentChain(); + + BlockFilter filter; + uint256 filter_header; + if (!index->LookupFilter(block_index, filter) || + !index->LookupFilterHeader(block_index, filter_header)) { + int err_code; + std::string errmsg = "Filter not found."; + + if (!block_was_connected) { + err_code = RPC_INVALID_ADDRESS_OR_KEY; + errmsg += " Block was not connected to active chain."; + } else if (!index_ready) { + err_code = RPC_MISC_ERROR; + errmsg += " Block filters are still in the process of being indexed."; + } else { + err_code = RPC_INTERNAL_ERROR; + errmsg += " This error is unexpected and indicates index corruption."; + } + + throw JSONRPCError(err_code, errmsg); + } + + UniValue ret(UniValue::VOBJ); + ret.pushKV("filter", HexStr(filter.GetEncodedFilter())); + ret.pushKV("header", filter_header.GetHex()); + return ret; +} + +// clang-format off static const CRPCCommand commands[] = { // category name actor (function) argNames // --------------------- ------------------------ ----------------------- ---------- @@ -2162,6 +2431,7 @@ static const CRPCCommand commands[] = { "blockchain", "preciousblock", &preciousblock, {"blockhash"} }, { "blockchain", "scantxoutset", &scantxoutset, {"action", "scanobjects"} }, + { "blockchain", "getblockfilter", &getblockfilter, {"blockhash", "filtertype"} }, /* Not shown in help */ { "hidden", "invalidateblock", &invalidateblock, {"blockhash"} }, @@ -2171,6 +2441,7 @@ static const CRPCCommand commands[] = { "hidden", "waitforblockheight", &waitforblockheight, {"height","timeout"} }, { "hidden", "syncwithvalidationinterfacequeue", &syncwithvalidationinterfacequeue, {} }, }; +// clang-format on void RegisterBlockchainRPCCommands(CRPCTable &t) { |