diff options
Diffstat (limited to 'src/rpc/blockchain.cpp')
-rw-r--r-- | src/rpc/blockchain.cpp | 215 |
1 files changed, 162 insertions, 53 deletions
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp index d35f458b2e..56018caf24 100644 --- a/src/rpc/blockchain.cpp +++ b/src/rpc/blockchain.cpp @@ -7,13 +7,14 @@ #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 <core_io.h> #include <hash.h> +#include <index/blockfilterindex.h> #include <index/txindex.h> #include <key_io.h> #include <policy/feerate.h> @@ -27,8 +28,10 @@ #include <sync.h> #include <txdb.h> #include <txmempool.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> @@ -91,6 +94,9 @@ static int ComputeNextBlockAndDepth(const CBlockIndex* tip, const CBlockIndex* b 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()); const CBlockIndex* pnext; @@ -117,6 +123,9 @@ UniValue blockheaderToJSON(const CBlockIndex* tip, const CBlockIndex* blockindex UniValue blockToJSON(const CBlock& block, const CBlockIndex* tip, const CBlockIndex* blockindex, bool txDetails) { + // 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()); const CBlockIndex* pnext; @@ -174,7 +183,7 @@ static UniValue getblockcount(const JSONRPCRequest& request) }.ToString()); LOCK(cs_main); - return chainActive.Height(); + return ::ChainActive().Height(); } static UniValue getbestblockhash(const JSONRPCRequest& request) @@ -194,7 +203,7 @@ static UniValue getbestblockhash(const JSONRPCRequest& request) }.ToString()); LOCK(cs_main); - return chainActive.Tip()->GetBlockHash().GetHex(); + return ::ChainActive().Tip()->GetBlockHash().GetHex(); } void RPCNotifyBlockChange(bool ibd, const CBlockIndex * pindex) @@ -373,7 +382,7 @@ static UniValue getdifficulty(const JSONRPCRequest& request) }.ToString()); LOCK(cs_main); - return GetDifficulty(chainActive.Tip()); + return GetDifficulty(::ChainActive().Tip()); } static std::string EntryDescriptionString() @@ -477,7 +486,10 @@ UniValue MempoolToJSON(const CTxMemPool& pool, bool verbose) const uint256& hash = e.GetTx().GetHash(); UniValue info(UniValue::VOBJ); entryToJSON(pool, info, e); - o.pushKV(hash.ToString(), info); + // 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 { @@ -724,10 +736,10 @@ static UniValue getblockhash(const JSONRPCRequest& request) 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(); } @@ -783,7 +795,7 @@ static UniValue getblockheader(const JSONRPCRequest& request) { LOCK(cs_main); pblockindex = LookupBlockIndex(hash); - tip = chainActive.Tip(); + tip = ::ChainActive().Tip(); } if (!pblockindex) { @@ -820,11 +832,23 @@ 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( - RPCHelpMan{"getblock", + 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", @@ -876,9 +900,11 @@ static UniValue getblock(const JSONRPCRequest& request) HelpExampleCli("getblock", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"") + HelpExampleRpc("getblock", "\"00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09\"") }, - }.ToString()); + }; - LOCK(cs_main); + if (request.fHelp || !help.IsValidNumArgs(request.params.size())) { + throw std::runtime_error(help.ToString()); + } uint256 hash(ParseHashV(request.params[0], "blockhash")); @@ -890,12 +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(); + + if (!pblockindex) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found"); + } - const CBlock block = GetBlockChecked(pblockindex); + block = GetBlockChecked(pblockindex); + } if (verbosity <= 0) { @@ -905,7 +939,7 @@ static UniValue getblock(const JSONRPCRequest& request) return strHex; } - return blockToJSON(block, chainActive.Tip(), pblockindex, verbosity >= 2); + return blockToJSON(block, tip, pblockindex, verbosity >= 2); } struct CCoinsStats @@ -1010,7 +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."); } @@ -1018,7 +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) @@ -1317,10 +1351,10 @@ UniValue getblockchaininfo(const JSONRPCRequest& request) LOCK(cs_main); - const CBlockIndex* tip = chainActive.Tip(); + 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", tip->GetBlockHash().GetHex()); obj.pushKV("difficulty", (double)GetDifficulty(tip)); @@ -1417,11 +1451,11 @@ static UniValue getchaintips(const JSONRPCRequest& request) 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; @@ -1429,7 +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); } @@ -1443,7 +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); @@ -1453,11 +1487,11 @@ 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) { @@ -1486,7 +1520,10 @@ static UniValue getchaintips(const JSONRPCRequest& request) UniValue MempoolInfoToJSON(const CTxMemPool& pool) { + // Make sure this call is atomic in the pool. + LOCK(pool.cs); UniValue ret(UniValue::VOBJ); + 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()); @@ -1507,6 +1544,7 @@ static UniValue getmempoolinfo(const JSONRPCRequest& request) {}, 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" @@ -1674,7 +1712,7 @@ static UniValue getchaintxstats(const JSONRPCRequest& request) if (request.params[1].isNull()) { LOCK(cs_main); - pindex = chainActive.Tip(); + pindex = ::ChainActive().Tip(); } else { uint256 hash(ParseHashV(request.params[1], "blockhash")); LOCK(cs_main); @@ -1682,7 +1720,7 @@ static UniValue getchaintxstats(const JSONRPCRequest& request) 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"); } } @@ -1779,8 +1817,7 @@ static UniValue getblockstats(const JSONRPCRequest& request) { 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" - "It won't work without -txindex for utxo_size_inc, *fee or *feerate stats.\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)", @@ -1843,7 +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)); } @@ -1851,14 +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 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())); } } @@ -1875,6 +1912,7 @@ 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; @@ -1888,10 +1926,6 @@ static UniValue getblockstats(const JSONRPCRequest& request) 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"); - if (loop_inputs && !g_txindex) { - throw JSONRPCError(RPC_INVALID_PARAMETER, "One or more of the selected stats requires -txindex enabled"); - } - CAmount maxfee = 0; CAmount maxfeerate = 0; CAmount minfee = MAX_MONEY; @@ -1912,7 +1946,8 @@ static UniValue getblockstats(const JSONRPCRequest& request) 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; @@ -1956,14 +1991,9 @@ static UniValue getblockstats(const JSONRPCRequest& request) if (loop_inputs) { 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)) { - 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, PROTOCOL_VERSION) + PER_UTXO_OVERHEAD; @@ -2057,11 +2087,11 @@ static UniValue savemempool(const JSONRPCRequest& request) }.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"); } @@ -2224,8 +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 = ParseRange(range_uni); - if (range.first < 0 || (range.second >> 31) != 0 || range.second >= range.first + 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"); @@ -2296,6 +2325,85 @@ 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 @@ -2323,6 +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"} }, |