LCOV - code coverage report
Current view: top level - src/rpc - mempool.cpp (source / functions) Coverage Total Hit
Test: fuzz_coverage.info Lines: 64.2 % 671 431
Test Date: 2024-11-04 04:15:01 Functions: 84.4 % 32 27
Branches: 40.2 % 2850 1146

             Branch data     Line data    Source code
       1                 :             : // Copyright (c) 2010 Satoshi Nakamoto
       2                 :             : // Copyright (c) 2009-2022 The Bitcoin Core developers
       3                 :             : // Distributed under the MIT software license, see the accompanying
       4                 :             : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       5                 :             : 
       6                 :             : #include <rpc/blockchain.h>
       7                 :             : 
       8                 :             : #include <node/mempool_persist.h>
       9                 :             : 
      10                 :             : #include <chainparams.h>
      11                 :             : #include <consensus/validation.h>
      12                 :             : #include <core_io.h>
      13                 :             : #include <kernel/mempool_entry.h>
      14                 :             : #include <net_processing.h>
      15                 :             : #include <node/mempool_persist_args.h>
      16                 :             : #include <node/types.h>
      17                 :             : #include <policy/rbf.h>
      18                 :             : #include <policy/settings.h>
      19                 :             : #include <primitives/transaction.h>
      20                 :             : #include <rpc/server.h>
      21                 :             : #include <rpc/server_util.h>
      22                 :             : #include <rpc/util.h>
      23                 :             : #include <txmempool.h>
      24                 :             : #include <univalue.h>
      25                 :             : #include <util/fs.h>
      26                 :             : #include <util/moneystr.h>
      27                 :             : #include <util/strencodings.h>
      28                 :             : #include <util/time.h>
      29                 :             : #include <util/vector.h>
      30                 :             : 
      31                 :             : #include <utility>
      32                 :             : 
      33                 :             : using node::DumpMempool;
      34                 :             : 
      35                 :             : using node::DEFAULT_MAX_BURN_AMOUNT;
      36                 :             : using node::DEFAULT_MAX_RAW_TX_FEE_RATE;
      37                 :             : using node::MempoolPath;
      38                 :             : using node::NodeContext;
      39                 :             : using node::TransactionError;
      40                 :             : using util::ToString;
      41                 :             : 
      42                 :         178 : static RPCHelpMan sendrawtransaction()
      43                 :             : {
      44                 :         178 :     return RPCHelpMan{"sendrawtransaction",
      45                 :             :         "\nSubmit a raw transaction (serialized, hex-encoded) to local node and network.\n"
      46                 :             :         "\nThe transaction will be sent unconditionally to all peers, so using sendrawtransaction\n"
      47                 :             :         "for manual rebroadcast may degrade privacy by leaking the transaction's origin, as\n"
      48                 :             :         "nodes will normally not rebroadcast non-wallet transactions already in their mempool.\n"
      49                 :             :         "\nA specific exception, RPC_TRANSACTION_ALREADY_IN_UTXO_SET, may throw if the transaction cannot be added to the mempool.\n"
      50                 :             :         "\nRelated RPCs: createrawtransaction, signrawtransactionwithkey\n",
      51                 :             :         {
      52         [ +  - ]:         178 :             {"hexstring", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The hex string of the raw transaction"},
      53   [ +  -  +  - ]:         356 :             {"maxfeerate", RPCArg::Type::AMOUNT, RPCArg::Default{FormatMoney(DEFAULT_MAX_RAW_TX_FEE_RATE.GetFeePerK())},
      54                 :         178 :              "Reject transactions whose fee rate is higher than the specified value, expressed in " + CURRENCY_UNIT +
      55                 :         178 :                  "/kvB.\nFee rates larger than 1BTC/kvB are rejected.\nSet to 0 to accept any fee rate."},
      56   [ +  -  +  - ]:         356 :             {"maxburnamount", RPCArg::Type::AMOUNT, RPCArg::Default{FormatMoney(DEFAULT_MAX_BURN_AMOUNT)},
      57                 :         178 :              "Reject transactions with provably unspendable outputs (e.g. 'datacarrier' outputs that use the OP_RETURN opcode) greater than the specified value, expressed in " + CURRENCY_UNIT + ".\n"
      58                 :             :              "If burning funds through unspendable outputs is desired, increase this value.\n"
      59                 :         178 :              "This check is based on heuristics and does not guarantee spendability of outputs.\n"},
      60                 :             :         },
      61                 :           0 :         RPCResult{
      62                 :             :             RPCResult::Type::STR_HEX, "", "The transaction hash in hex"
      63   [ +  -  +  -  :         356 :         },
                   +  - ]
      64                 :         178 :         RPCExamples{
      65                 :             :             "\nCreate a transaction\n"
      66   [ +  -  +  -  :         356 :             + HelpExampleCli("createrawtransaction", "\"[{\\\"txid\\\" : \\\"mytxid\\\",\\\"vout\\\":0}]\" \"{\\\"myaddress\\\":0.01}\"") +
             +  -  +  - ]
      67                 :         178 :             "Sign the transaction, and get back the hex\n"
      68   [ +  -  +  -  :         712 :             + HelpExampleCli("signrawtransactionwithwallet", "\"myhex\"") +
             +  -  +  - ]
      69                 :         178 :             "\nSend the transaction (signed hex)\n"
      70   [ +  -  +  -  :         712 :             + HelpExampleCli("sendrawtransaction", "\"signedhex\"") +
             +  -  +  - ]
      71                 :         178 :             "\nAs a JSON-RPC call\n"
      72   [ +  -  +  -  :         712 :             + HelpExampleRpc("sendrawtransaction", "\"signedhex\"")
             +  -  +  - ]
      73         [ +  - ]:         178 :                 },
      74                 :         115 :         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
      75                 :             :         {
      76         [ +  + ]:         115 :             const CAmount max_burn_amount = request.params[2].isNull() ? 0 : AmountFromValue(request.params[2]);
      77                 :             : 
      78                 :          97 :             CMutableTransaction mtx;
      79   [ +  -  +  -  :          97 :             if (!DecodeHexTx(mtx, request.params[0].get_str())) {
             +  -  +  + ]
      80   [ +  -  +  - ]:          10 :                 throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed. Make sure the tx has at least one input.");
      81                 :             :             }
      82                 :             : 
      83         [ +  + ]:      130823 :             for (const auto& out : mtx.vout) {
      84   [ +  +  +  -  :      130744 :                 if((out.scriptPubKey.IsUnspendable() || !out.scriptPubKey.HasValidOps()) && out.nValue > max_burn_amount) {
             +  +  +  + ]
      85   [ +  -  +  - ]:          26 :                     throw JSONRPCTransactionError(TransactionError::MAX_BURN_EXCEEDED);
      86                 :             :                 }
      87                 :             :             }
      88                 :             : 
      89         [ +  - ]:          79 :             CTransactionRef tx(MakeTransactionRef(std::move(mtx)));
      90                 :             : 
      91   [ +  -  +  + ]:          79 :             const CFeeRate max_raw_tx_fee_rate{ParseFeeRate(self.Arg<UniValue>("maxfeerate"))};
      92                 :             : 
      93         [ +  - ]:          77 :             int64_t virtual_size = GetVirtualTransactionSize(*tx);
      94         [ +  - ]:          77 :             CAmount max_raw_tx_fee = max_raw_tx_fee_rate.GetFee(virtual_size);
      95                 :             : 
      96         [ +  - ]:          77 :             std::string err_string;
      97                 :          77 :             AssertLockNotHeld(cs_main);
      98         [ +  - ]:          77 :             NodeContext& node = EnsureAnyNodeContext(request.context);
      99   [ +  -  +  -  :         154 :             const TransactionError err = BroadcastTransaction(node, tx, err_string, max_raw_tx_fee, /*relay=*/true, /*wait_callback=*/true);
                   +  - ]
     100         [ +  - ]:          77 :             if (TransactionError::OK != err) {
     101         [ +  - ]:          77 :                 throw JSONRPCTransactionError(err, err_string);
     102                 :             :             }
     103                 :             : 
     104   [ #  #  #  # ]:           0 :             return tx->GetHash().GetHex();
     105         [ -  - ]:         156 :         },
     106   [ +  -  +  -  :        3382 :     };
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
             -  +  +  -  
                      - ]
     107   [ +  -  +  -  :        1246 : }
          +  -  +  -  -  
                      - ]
     108                 :             : 
     109                 :         316 : static RPCHelpMan testmempoolaccept()
     110                 :             : {
     111                 :         316 :     return RPCHelpMan{"testmempoolaccept",
     112                 :             :         "\nReturns result of mempool acceptance tests indicating if raw transaction(s) (serialized, hex-encoded) would be accepted by mempool.\n"
     113                 :             :         "\nIf multiple transactions are passed in, parents must come before children and package policies apply: the transactions cannot conflict with any mempool transactions or each other.\n"
     114                 :             :         "\nIf one transaction fails, other transactions may not be fully validated (the 'allowed' key will be blank).\n"
     115   [ +  -  +  - ]:         632 :         "\nThe maximum number of transactions allowed is " + ToString(MAX_PACKAGE_COUNT) + ".\n"
     116                 :             :         "\nThis checks if transactions violate the consensus or policy rules.\n"
     117                 :         316 :         "\nSee sendrawtransaction call.\n",
     118                 :             :         {
     119         [ +  - ]:         316 :             {"rawtxs", RPCArg::Type::ARR, RPCArg::Optional::NO, "An array of hex strings of raw transactions.",
     120                 :             :                 {
     121         [ +  - ]:         316 :                     {"rawtx", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, ""},
     122                 :             :                 },
     123                 :             :             },
     124   [ +  -  +  - ]:         632 :             {"maxfeerate", RPCArg::Type::AMOUNT, RPCArg::Default{FormatMoney(DEFAULT_MAX_RAW_TX_FEE_RATE.GetFeePerK())},
     125                 :         316 :              "Reject transactions whose fee rate is higher than the specified value, expressed in " + CURRENCY_UNIT +
     126                 :         316 :                  "/kvB.\nFee rates larger than 1BTC/kvB are rejected.\nSet to 0 to accept any fee rate."},
     127                 :             :         },
     128                 :           0 :         RPCResult{
     129                 :             :             RPCResult::Type::ARR, "", "The result of the mempool acceptance test for each raw transaction in the input array.\n"
     130                 :             :                                       "Returns results for each transaction in the same order they were passed in.\n"
     131                 :             :                                       "Transactions that cannot be fully validated due to failures in other transactions will not contain an 'allowed' result.\n",
     132                 :             :             {
     133                 :             :                 {RPCResult::Type::OBJ, "", "",
     134                 :             :                 {
     135                 :             :                     {RPCResult::Type::STR_HEX, "txid", "The transaction hash in hex"},
     136                 :             :                     {RPCResult::Type::STR_HEX, "wtxid", "The transaction witness hash in hex"},
     137                 :             :                     {RPCResult::Type::STR, "package-error", /*optional=*/true, "Package validation error, if any (only possible if rawtxs had more than 1 transaction)."},
     138                 :             :                     {RPCResult::Type::BOOL, "allowed", /*optional=*/true, "Whether this tx would be accepted to the mempool and pass client-specified maxfeerate. "
     139                 :             :                                                        "If not present, the tx was not fully validated due to a failure in another tx in the list."},
     140                 :             :                     {RPCResult::Type::NUM, "vsize", /*optional=*/true, "Virtual transaction size as defined in BIP 141. This is different from actual serialized size for witness transactions as witness data is discounted (only present when 'allowed' is true)"},
     141                 :             :                     {RPCResult::Type::OBJ, "fees", /*optional=*/true, "Transaction fees (only present if 'allowed' is true)",
     142                 :             :                     {
     143         [ +  - ]:         632 :                         {RPCResult::Type::STR_AMOUNT, "base", "transaction fee in " + CURRENCY_UNIT},
     144         [ +  - ]:         632 :                         {RPCResult::Type::STR_AMOUNT, "effective-feerate", /*optional=*/false, "the effective feerate in " + CURRENCY_UNIT + " per KvB. May differ from the base feerate if, for example, there are modified fees from prioritisetransaction or a package feerate was used."},
     145                 :             :                         {RPCResult::Type::ARR, "effective-includes", /*optional=*/false, "transactions whose fees and vsizes are included in effective-feerate.",
     146   [ +  -  +  -  :         632 :                             {RPCResult{RPCResult::Type::STR_HEX, "", "transaction wtxid in hex"},
                   +  - ]
     147                 :             :                         }},
     148                 :             :                     }},
     149                 :             :                     {RPCResult::Type::STR, "reject-reason", /*optional=*/true, "Rejection string (only present when 'allowed' is false)"},
     150                 :             :                 }},
     151                 :             :             }
     152   [ +  -  +  -  :        7268 :         },
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
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          +  -  +  -  +  
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          +  -  +  -  +  
          -  +  +  +  +  
          +  +  +  +  -  
          -  -  -  -  -  
                   -  - ]
     153                 :         316 :         RPCExamples{
     154                 :             :             "\nCreate a transaction\n"
     155   [ +  -  +  -  :         632 :             + HelpExampleCli("createrawtransaction", "\"[{\\\"txid\\\" : \\\"mytxid\\\",\\\"vout\\\":0}]\" \"{\\\"myaddress\\\":0.01}\"") +
             +  -  +  - ]
     156                 :         316 :             "Sign the transaction, and get back the hex\n"
     157   [ +  -  +  -  :        1264 :             + HelpExampleCli("signrawtransactionwithwallet", "\"myhex\"") +
             +  -  +  - ]
     158                 :         316 :             "\nTest acceptance of the transaction (signed hex)\n"
     159   [ +  -  +  -  :        1264 :             + HelpExampleCli("testmempoolaccept", R"('["signedhex"]')") +
             +  -  +  - ]
     160                 :         316 :             "\nAs a JSON-RPC call\n"
     161   [ +  -  +  - ]:        1264 :             + HelpExampleRpc("testmempoolaccept", "[\"signedhex\"]")
     162         [ +  - ]:         316 :                 },
     163                 :         259 :         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
     164                 :             :         {
     165                 :         259 :             const UniValue raw_transactions = request.params[0].get_array();
     166   [ +  +  +  + ]:         259 :             if (raw_transactions.size() < 1 || raw_transactions.size() > MAX_PACKAGE_COUNT) {
     167                 :           2 :                 throw JSONRPCError(RPC_INVALID_PARAMETER,
     168   [ +  -  +  -  :           6 :                                    "Array must contain between 1 and " + ToString(MAX_PACKAGE_COUNT) + " transactions.");
                   +  - ]
     169                 :             :             }
     170                 :             : 
     171   [ +  -  +  + ]:         257 :             const CFeeRate max_raw_tx_fee_rate{ParseFeeRate(self.Arg<UniValue>("maxfeerate"))};
     172                 :             : 
     173                 :         227 :             std::vector<CTransactionRef> txns;
     174         [ +  - ]:         227 :             txns.reserve(raw_transactions.size());
     175   [ +  -  +  + ]:        1576 :             for (const auto& rawtx : raw_transactions.getValues()) {
     176         [ +  - ]:        1367 :                 CMutableTransaction mtx;
     177   [ +  +  +  -  :        1367 :                 if (!DecodeHexTx(mtx, rawtx.get_str())) {
                   +  + ]
     178                 :          17 :                     throw JSONRPCError(RPC_DESERIALIZATION_ERROR,
     179   [ +  -  +  -  :          51 :                                        "TX decode failed: " + rawtx.get_str() + " Make sure the tx has at least one input.");
                   +  - ]
     180                 :             :                 }
     181   [ +  -  +  - ]:        4047 :                 txns.emplace_back(MakeTransactionRef(std::move(mtx)));
     182                 :        1367 :             }
     183                 :             : 
     184         [ +  - ]:         209 :             NodeContext& node = EnsureAnyNodeContext(request.context);
     185         [ +  - ]:         209 :             CTxMemPool& mempool = EnsureMemPool(node);
     186         [ +  - ]:         209 :             ChainstateManager& chainman = EnsureChainman(node);
     187         [ +  - ]:         209 :             Chainstate& chainstate = chainman.ActiveChainstate();
     188                 :         418 :             const PackageMempoolAcceptResult package_result = [&] {
     189                 :         209 :                 LOCK(::cs_main);
     190   [ +  +  +  - ]:         209 :                 if (txns.size() > 1) return ProcessNewPackage(chainstate, mempool, txns, /*test_accept=*/true, /*client_maxfeerate=*/{});
     191         [ +  - ]:          44 :                 return PackageMempoolAcceptResult(txns[0]->GetWitnessHash(),
     192   [ +  -  +  - ]:          44 :                                                   chainman.ProcessTransaction(txns[0], /*test_accept=*/true));
     193         [ +  - ]:         418 :             }();
     194                 :             : 
     195                 :         209 :             UniValue rpc_result(UniValue::VARR);
     196                 :             :             // We will check transaction fees while we iterate through txns in order. If any transaction fee
     197                 :             :             // exceeds maxfeerate, we will leave the rest of the validation results blank, because it
     198                 :             :             // doesn't make sense to return a validation result for a transaction if its ancestor(s) would
     199                 :             :             // not be submitted.
     200                 :         209 :             bool exit_early{false};
     201         [ +  + ]:        1424 :             for (const auto& tx : txns) {
     202                 :        1215 :                 UniValue result_inner(UniValue::VOBJ);
     203   [ +  -  +  -  :        2430 :                 result_inner.pushKV("txid", tx->GetHash().GetHex());
             +  -  +  - ]
     204   [ +  -  +  -  :        2430 :                 result_inner.pushKV("wtxid", tx->GetWitnessHash().GetHex());
             +  -  +  - ]
     205         [ +  + ]:        1215 :                 if (package_result.m_state.GetResult() == PackageValidationResult::PCKG_POLICY) {
     206   [ +  -  +  -  :        1918 :                     result_inner.pushKV("package-error", package_result.m_state.ToString());
             +  -  +  - ]
     207                 :             :                 }
     208                 :        1215 :                 auto it = package_result.m_tx_results.find(tx->GetWitnessHash());
     209   [ +  -  +  + ]:        1215 :                 if (exit_early || it == package_result.m_tx_results.end()) {
     210                 :             :                     // Validation unfinished. Just return the txid and wtxid.
     211         [ +  - ]:        1104 :                     rpc_result.push_back(std::move(result_inner));
     212                 :        1104 :                     continue;
     213                 :             :                 }
     214         [ +  - ]:         111 :                 const auto& tx_result = it->second;
     215                 :             :                 // Package testmempoolaccept doesn't allow transactions to already be in the mempool.
     216         [ +  - ]:         111 :                 CHECK_NONFATAL(tx_result.m_result_type != MempoolAcceptResult::ResultType::MEMPOOL_ENTRY);
     217         [ -  + ]:         111 :                 if (tx_result.m_result_type == MempoolAcceptResult::ResultType::VALID) {
     218         [ #  # ]:           0 :                     const CAmount fee = tx_result.m_base_fees.value();
     219                 :             :                     // Check that fee does not exceed maximum fee
     220         [ #  # ]:           0 :                     const int64_t virtual_size = tx_result.m_vsize.value();
     221         [ #  # ]:           0 :                     const CAmount max_raw_tx_fee = max_raw_tx_fee_rate.GetFee(virtual_size);
     222         [ #  # ]:           0 :                     if (max_raw_tx_fee && fee > max_raw_tx_fee) {
     223   [ #  #  #  #  :           0 :                         result_inner.pushKV("allowed", false);
                   #  # ]
     224   [ #  #  #  #  :           0 :                         result_inner.pushKV("reject-reason", "max-fee-exceeded");
                   #  # ]
     225                 :           0 :                         exit_early = true;
     226                 :             :                     } else {
     227                 :             :                         // Only return the fee and vsize if the transaction would pass ATMP.
     228                 :             :                         // These can be used to calculate the feerate.
     229   [ #  #  #  #  :           0 :                         result_inner.pushKV("allowed", true);
                   #  # ]
     230   [ #  #  #  #  :           0 :                         result_inner.pushKV("vsize", virtual_size);
                   #  # ]
     231                 :           0 :                         UniValue fees(UniValue::VOBJ);
     232   [ #  #  #  #  :           0 :                         fees.pushKV("base", ValueFromAmount(fee));
                   #  # ]
     233   [ #  #  #  #  :           0 :                         fees.pushKV("effective-feerate", ValueFromAmount(tx_result.m_effective_feerate.value().GetFeePerK()));
             #  #  #  # ]
     234                 :           0 :                         UniValue effective_includes_res(UniValue::VARR);
     235   [ #  #  #  # ]:           0 :                         for (const auto& wtxid : tx_result.m_wtxids_fee_calculations.value()) {
     236   [ #  #  #  #  :           0 :                             effective_includes_res.push_back(wtxid.ToString());
                   #  # ]
     237                 :             :                         }
     238   [ #  #  #  # ]:           0 :                         fees.pushKV("effective-includes", std::move(effective_includes_res));
     239   [ #  #  #  # ]:           0 :                         result_inner.pushKV("fees", std::move(fees));
     240                 :           0 :                     }
     241                 :             :                 } else {
     242   [ +  -  +  -  :         222 :                     result_inner.pushKV("allowed", false);
                   +  - ]
     243         [ +  - ]:         111 :                     const TxValidationState state = tx_result.m_state;
     244         [ +  + ]:         111 :                     if (state.GetResult() == TxValidationResult::TX_MISSING_INPUTS) {
     245   [ +  -  +  -  :          18 :                         result_inner.pushKV("reject-reason", "missing-inputs");
                   +  - ]
     246                 :             :                     } else {
     247   [ +  -  +  -  :         204 :                         result_inner.pushKV("reject-reason", state.GetRejectReason());
             +  -  +  - ]
     248                 :             :                     }
     249                 :         111 :                 }
     250         [ +  - ]:         111 :                 rpc_result.push_back(std::move(result_inner));
     251                 :        1215 :             }
     252                 :         209 :             return rpc_result;
     253                 :         277 :         },
     254   [ +  -  +  -  :        6004 :     };
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             -  -  -  - ]
     255   [ +  -  +  -  :        6320 : }
          +  -  +  -  +  
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                      - ]
     256                 :             : 
     257                 :         248 : static std::vector<RPCResult> MempoolEntryDescription()
     258                 :             : {
     259                 :         248 :     return {
     260   [ +  -  +  -  :         496 :         RPCResult{RPCResult::Type::NUM, "vsize", "virtual transaction size as defined in BIP 141. This is different from actual serialized size for witness transactions as witness data is discounted."},
                   +  - ]
     261   [ +  -  +  -  :         496 :         RPCResult{RPCResult::Type::NUM, "weight", "transaction weight as defined in BIP 141."},
                   +  - ]
     262   [ +  -  +  -  :         496 :         RPCResult{RPCResult::Type::NUM_TIME, "time", "local time transaction entered pool in seconds since 1 Jan 1970 GMT"},
                   +  - ]
     263   [ +  -  +  -  :         496 :         RPCResult{RPCResult::Type::NUM, "height", "block height when transaction entered pool"},
                   +  - ]
     264   [ +  -  +  -  :         496 :         RPCResult{RPCResult::Type::NUM, "descendantcount", "number of in-mempool descendant transactions (including this one)"},
                   +  - ]
     265   [ +  -  +  -  :         496 :         RPCResult{RPCResult::Type::NUM, "descendantsize", "virtual transaction size of in-mempool descendants (including this one)"},
                   +  - ]
     266   [ +  -  +  -  :         496 :         RPCResult{RPCResult::Type::NUM, "ancestorcount", "number of in-mempool ancestor transactions (including this one)"},
                   +  - ]
     267   [ +  -  +  -  :         496 :         RPCResult{RPCResult::Type::NUM, "ancestorsize", "virtual transaction size of in-mempool ancestors (including this one)"},
                   +  - ]
     268   [ +  -  +  -  :         496 :         RPCResult{RPCResult::Type::STR_HEX, "wtxid", "hash of serialized transaction, including witness data"},
                   +  - ]
     269                 :             :         RPCResult{RPCResult::Type::OBJ, "fees", "",
     270                 :             :             {
     271   [ +  -  +  -  :         496 :                 RPCResult{RPCResult::Type::STR_AMOUNT, "base", "transaction fee, denominated in " + CURRENCY_UNIT},
                   +  - ]
     272   [ +  -  +  -  :         496 :                 RPCResult{RPCResult::Type::STR_AMOUNT, "modified", "transaction fee with fee deltas used for mining priority, denominated in " + CURRENCY_UNIT},
                   +  - ]
     273   [ +  -  +  -  :         496 :                 RPCResult{RPCResult::Type::STR_AMOUNT, "ancestor", "transaction fees of in-mempool ancestors (including this one) with fee deltas used for mining priority, denominated in " + CURRENCY_UNIT},
                   +  - ]
     274   [ +  -  +  -  :         496 :                 RPCResult{RPCResult::Type::STR_AMOUNT, "descendant", "transaction fees of in-mempool descendants (including this one) with fee deltas used for mining priority, denominated in " + CURRENCY_UNIT},
                   +  - ]
     275   [ +  -  +  -  :        1984 :             }},
          +  -  +  +  -  
                      - ]
     276                 :             :         RPCResult{RPCResult::Type::ARR, "depends", "unconfirmed transactions used as inputs for this transaction",
     277   [ +  -  +  -  :         744 :             {RPCResult{RPCResult::Type::STR_HEX, "transactionid", "parent transaction id"}}},
          +  -  +  -  +  
          -  +  -  +  +  
                   -  - ]
     278                 :             :         RPCResult{RPCResult::Type::ARR, "spentby", "unconfirmed transactions spending outputs from this transaction",
     279   [ +  -  +  -  :         744 :             {RPCResult{RPCResult::Type::STR_HEX, "transactionid", "child transaction id"}}},
          +  -  +  -  +  
          -  +  -  +  +  
                   -  - ]
     280   [ +  -  +  -  :         496 :         RPCResult{RPCResult::Type::BOOL, "bip125-replaceable", "Whether this transaction signals BIP125 replaceability or has an unconfirmed ancestor signaling BIP125 replaceability.\n"},
                   +  - ]
     281   [ +  -  +  -  :         496 :         RPCResult{RPCResult::Type::BOOL, "unbroadcast", "Whether this transaction is currently unbroadcast (initial broadcast not yet acknowledged by any peers)"},
                   +  - ]
     282   [ +  -  +  +  :        4216 :     };
                   -  - ]
     283   [ +  -  +  -  :        5208 : }
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  -  -  
                   -  - ]
     284                 :             : 
     285                 :           0 : static void entryToJSON(const CTxMemPool& pool, UniValue& info, const CTxMemPoolEntry& e) EXCLUSIVE_LOCKS_REQUIRED(pool.cs)
     286                 :             : {
     287                 :           0 :     AssertLockHeld(pool.cs);
     288                 :             : 
     289   [ #  #  #  # ]:           0 :     info.pushKV("vsize", (int)e.GetTxSize());
     290   [ #  #  #  # ]:           0 :     info.pushKV("weight", (int)e.GetTxWeight());
     291   [ #  #  #  # ]:           0 :     info.pushKV("time", count_seconds(e.GetTime()));
     292   [ #  #  #  # ]:           0 :     info.pushKV("height", (int)e.GetHeight());
     293   [ #  #  #  # ]:           0 :     info.pushKV("descendantcount", e.GetCountWithDescendants());
     294   [ #  #  #  # ]:           0 :     info.pushKV("descendantsize", e.GetSizeWithDescendants());
     295   [ #  #  #  # ]:           0 :     info.pushKV("ancestorcount", e.GetCountWithAncestors());
     296   [ #  #  #  # ]:           0 :     info.pushKV("ancestorsize", e.GetSizeWithAncestors());
     297   [ #  #  #  #  :           0 :     info.pushKV("wtxid", e.GetTx().GetWitnessHash().ToString());
                   #  # ]
     298                 :             : 
     299                 :           0 :     UniValue fees(UniValue::VOBJ);
     300   [ #  #  #  #  :           0 :     fees.pushKV("base", ValueFromAmount(e.GetFee()));
                   #  # ]
     301   [ #  #  #  #  :           0 :     fees.pushKV("modified", ValueFromAmount(e.GetModifiedFee()));
                   #  # ]
     302   [ #  #  #  #  :           0 :     fees.pushKV("ancestor", ValueFromAmount(e.GetModFeesWithAncestors()));
                   #  # ]
     303   [ #  #  #  #  :           0 :     fees.pushKV("descendant", ValueFromAmount(e.GetModFeesWithDescendants()));
                   #  # ]
     304   [ #  #  #  # ]:           0 :     info.pushKV("fees", std::move(fees));
     305                 :             : 
     306                 :           0 :     const CTransaction& tx = e.GetTx();
     307                 :           0 :     std::set<std::string> setDepends;
     308         [ #  # ]:           0 :     for (const CTxIn& txin : tx.vin)
     309                 :             :     {
     310   [ #  #  #  # ]:           0 :         if (pool.exists(GenTxid::Txid(txin.prevout.hash)))
     311   [ #  #  #  # ]:           0 :             setDepends.insert(txin.prevout.hash.ToString());
     312                 :             :     }
     313                 :             : 
     314                 :           0 :     UniValue depends(UniValue::VARR);
     315         [ #  # ]:           0 :     for (const std::string& dep : setDepends)
     316                 :             :     {
     317   [ #  #  #  # ]:           0 :         depends.push_back(dep);
     318                 :             :     }
     319                 :             : 
     320   [ #  #  #  # ]:           0 :     info.pushKV("depends", std::move(depends));
     321                 :             : 
     322                 :           0 :     UniValue spent(UniValue::VARR);
     323   [ #  #  #  # ]:           0 :     for (const CTxMemPoolEntry& child : e.GetMemPoolChildrenConst()) {
     324   [ #  #  #  #  :           0 :         spent.push_back(child.GetTx().GetHash().ToString());
                   #  # ]
     325                 :             :     }
     326                 :             : 
     327   [ #  #  #  # ]:           0 :     info.pushKV("spentby", std::move(spent));
     328                 :             : 
     329                 :             :     // Add opt-in RBF status
     330                 :           0 :     bool rbfStatus = false;
     331         [ #  # ]:           0 :     RBFTransactionState rbfState = IsRBFOptIn(tx, pool);
     332         [ #  # ]:           0 :     if (rbfState == RBFTransactionState::UNKNOWN) {
     333   [ #  #  #  # ]:           0 :         throw JSONRPCError(RPC_MISC_ERROR, "Transaction is not in mempool");
     334         [ #  # ]:           0 :     } else if (rbfState == RBFTransactionState::REPLACEABLE_BIP125) {
     335                 :           0 :         rbfStatus = true;
     336                 :             :     }
     337                 :             : 
     338   [ #  #  #  #  :           0 :     info.pushKV("bip125-replaceable", rbfStatus);
                   #  # ]
     339   [ #  #  #  #  :           0 :     info.pushKV("unbroadcast", pool.IsUnbroadcastTx(tx.GetHash()));
                   #  # ]
     340                 :           0 : }
     341                 :             : 
     342                 :           4 : UniValue MempoolToJSON(const CTxMemPool& pool, bool verbose, bool include_mempool_sequence)
     343                 :             : {
     344         [ +  + ]:           4 :     if (verbose) {
     345         [ +  + ]:           2 :         if (include_mempool_sequence) {
     346   [ +  -  +  - ]:           2 :             throw JSONRPCError(RPC_INVALID_PARAMETER, "Verbose results cannot contain mempool sequence values.");
     347                 :             :         }
     348                 :           1 :         LOCK(pool.cs);
     349                 :           1 :         UniValue o(UniValue::VOBJ);
     350   [ +  -  -  + ]:           1 :         for (const CTxMemPoolEntry& e : pool.entryAll()) {
     351                 :           0 :             UniValue info(UniValue::VOBJ);
     352         [ #  # ]:           0 :             entryToJSON(pool, info, e);
     353                 :             :             // Mempool has unique entries so there is no advantage in using
     354                 :             :             // UniValue::pushKV, which checks if the key already exists in O(N).
     355                 :             :             // UniValue::pushKVEnd is used instead which currently is O(1).
     356   [ #  #  #  # ]:           0 :             o.pushKVEnd(e.GetTx().GetHash().ToString(), std::move(info));
     357                 :           0 :         }
     358         [ +  - ]:           1 :         return o;
     359                 :           1 :     } else {
     360                 :           2 :         UniValue a(UniValue::VARR);
     361                 :           2 :         uint64_t mempool_sequence;
     362                 :           2 :         {
     363         [ +  - ]:           2 :             LOCK(pool.cs);
     364   [ +  -  -  -  :           2 :             for (const CTxMemPoolEntry& e : pool.entryAll()) {
                   -  + ]
     365   [ #  #  #  #  :           0 :                 a.push_back(e.GetTx().GetHash().ToString());
                   #  # ]
     366                 :           0 :             }
     367         [ +  - ]:           2 :             mempool_sequence = pool.GetSequence();
     368                 :           0 :         }
     369         [ +  + ]:           2 :         if (!include_mempool_sequence) {
     370                 :           1 :             return a;
     371                 :             :         } else {
     372                 :           1 :             UniValue o(UniValue::VOBJ);
     373   [ +  -  +  - ]:           2 :             o.pushKV("txids", std::move(a));
     374   [ +  -  +  -  :           2 :             o.pushKV("mempool_sequence", mempool_sequence);
                   +  - ]
     375                 :           1 :             return o;
     376                 :           1 :         }
     377                 :           2 :     }
     378                 :             : }
     379                 :             : 
     380                 :          62 : static RPCHelpMan getrawmempool()
     381                 :             : {
     382                 :          62 :     return RPCHelpMan{"getrawmempool",
     383                 :             :         "\nReturns all transaction ids in memory pool as a json array of string transaction ids.\n"
     384                 :             :         "\nHint: use getmempoolentry to fetch a specific transaction from the mempool.\n",
     385                 :             :         {
     386         [ +  - ]:         124 :             {"verbose", RPCArg::Type::BOOL, RPCArg::Default{false}, "True for a json object, false for array of transaction ids"},
     387         [ +  - ]:         124 :             {"mempool_sequence", RPCArg::Type::BOOL, RPCArg::Default{false}, "If verbose=false, returns a json object with transaction list and mempool sequence number attached."},
     388                 :             :         },
     389                 :             :         {
     390                 :             :             RPCResult{"for verbose = false",
     391                 :             :                 RPCResult::Type::ARR, "", "",
     392                 :             :                 {
     393                 :             :                     {RPCResult::Type::STR_HEX, "", "The transaction id"},
     394   [ +  -  +  -  :         186 :                 }},
          +  -  +  -  +  
          -  +  -  +  -  
             +  +  -  - ]
     395                 :             :             RPCResult{"for verbose = true",
     396                 :             :                 RPCResult::Type::OBJ_DYN, "", "",
     397                 :             :                 {
     398         [ +  - ]:         124 :                     {RPCResult::Type::OBJ, "transactionid", "", MempoolEntryDescription()},
     399   [ +  -  +  -  :         310 :                 }},
          +  -  +  -  +  
          -  +  -  +  +  
                   -  - ]
     400                 :             :             RPCResult{"for verbose = false and mempool_sequence = true",
     401                 :             :                 RPCResult::Type::OBJ, "", "",
     402                 :             :                 {
     403                 :             :                     {RPCResult::Type::ARR, "txids", "",
     404                 :             :                     {
     405                 :             :                         {RPCResult::Type::STR_HEX, "", "The transaction id"},
     406                 :             :                     }},
     407                 :             :                     {RPCResult::Type::NUM, "mempool_sequence", "The mempool sequence value."},
     408   [ +  -  +  -  :         372 :                 }},
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  +  +  
             +  -  -  -  
                      - ]
     409                 :             :         },
     410                 :          62 :         RPCExamples{
     411   [ +  -  +  -  :         124 :             HelpExampleCli("getrawmempool", "true")
                   +  - ]
     412   [ +  -  +  -  :         248 :             + HelpExampleRpc("getrawmempool", "true")
             +  -  +  - ]
     413         [ +  - ]:          62 :         },
     414                 :           4 :         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
     415                 :             : {
     416                 :           4 :     bool fVerbose = false;
     417         [ +  + ]:           4 :     if (!request.params[0].isNull())
     418                 :           3 :         fVerbose = request.params[0].get_bool();
     419                 :             : 
     420                 :           4 :     bool include_mempool_sequence = false;
     421         [ +  + ]:           4 :     if (!request.params[1].isNull()) {
     422                 :           2 :         include_mempool_sequence = request.params[1].get_bool();
     423                 :             :     }
     424                 :             : 
     425                 :           4 :     return MempoolToJSON(EnsureAnyMemPool(request.context), fVerbose, include_mempool_sequence);
     426                 :             : },
     427   [ +  -  +  -  :        1240 :     };
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          +  +  +  -  -  
                   -  - ]
     428   [ +  -  +  -  :         868 : }
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          -  -  -  -  -  
                      - ]
     429                 :             : 
     430                 :          59 : static RPCHelpMan getmempoolancestors()
     431                 :             : {
     432                 :          59 :     return RPCHelpMan{"getmempoolancestors",
     433                 :             :         "\nIf txid is in the mempool, returns all in-mempool ancestors.\n",
     434                 :             :         {
     435         [ +  - ]:          59 :             {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id (must be in mempool)"},
     436         [ +  - ]:         118 :             {"verbose", RPCArg::Type::BOOL, RPCArg::Default{false}, "True for a json object, false for array of transaction ids"},
     437                 :             :         },
     438                 :             :         {
     439                 :             :             RPCResult{"for verbose = false",
     440                 :             :                 RPCResult::Type::ARR, "", "",
     441   [ +  -  +  -  :         177 :                 {{RPCResult::Type::STR_HEX, "", "The transaction id of an in-mempool ancestor transaction"}}},
          +  -  +  -  +  
          -  +  -  +  -  
             +  +  -  - ]
     442                 :             :             RPCResult{"for verbose = true",
     443                 :             :                 RPCResult::Type::OBJ_DYN, "", "",
     444                 :             :                 {
     445         [ +  - ]:         118 :                     {RPCResult::Type::OBJ, "transactionid", "", MempoolEntryDescription()},
     446   [ +  -  +  -  :         295 :                 }},
          +  -  +  -  +  
          -  +  -  +  +  
                   -  - ]
     447                 :             :         },
     448                 :          59 :         RPCExamples{
     449   [ +  -  +  -  :         118 :             HelpExampleCli("getmempoolancestors", "\"mytxid\"")
                   +  - ]
     450   [ +  -  +  -  :         236 :             + HelpExampleRpc("getmempoolancestors", "\"mytxid\"")
             +  -  +  - ]
     451         [ +  - ]:          59 :         },
     452                 :           2 :         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
     453                 :             : {
     454                 :           2 :     bool fVerbose = false;
     455         [ +  + ]:           2 :     if (!request.params[1].isNull())
     456                 :           1 :         fVerbose = request.params[1].get_bool();
     457                 :             : 
     458                 :           2 :     uint256 hash = ParseHashV(request.params[0], "parameter 1");
     459                 :             : 
     460                 :           1 :     const CTxMemPool& mempool = EnsureAnyMemPool(request.context);
     461                 :           1 :     LOCK(mempool.cs);
     462                 :             : 
     463         [ +  - ]:           1 :     const auto entry{mempool.GetEntry(Txid::FromUint256(hash))};
     464         [ +  - ]:           1 :     if (entry == nullptr) {
     465   [ +  -  +  - ]:           2 :         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Transaction not in mempool");
     466                 :             :     }
     467                 :             : 
     468         [ #  # ]:           0 :     auto ancestors{mempool.AssumeCalculateMemPoolAncestors(self.m_name, *entry, CTxMemPool::Limits::NoLimits(), /*fSearchForParents=*/false)};
     469                 :             : 
     470         [ #  # ]:           0 :     if (!fVerbose) {
     471                 :           0 :         UniValue o(UniValue::VARR);
     472         [ #  # ]:           0 :         for (CTxMemPool::txiter ancestorIt : ancestors) {
     473   [ #  #  #  #  :           0 :             o.push_back(ancestorIt->GetTx().GetHash().ToString());
                   #  # ]
     474                 :             :         }
     475                 :             :         return o;
     476                 :           0 :     } else {
     477                 :           0 :         UniValue o(UniValue::VOBJ);
     478         [ #  # ]:           0 :         for (CTxMemPool::txiter ancestorIt : ancestors) {
     479                 :           0 :             const CTxMemPoolEntry &e = *ancestorIt;
     480                 :           0 :             const uint256& _hash = e.GetTx().GetHash();
     481                 :           0 :             UniValue info(UniValue::VOBJ);
     482         [ #  # ]:           0 :             entryToJSON(mempool, info, e);
     483   [ #  #  #  # ]:           0 :             o.pushKV(_hash.ToString(), std::move(info));
     484                 :           0 :         }
     485                 :           0 :         return o;
     486                 :           0 :     }
     487         [ #  # ]:           0 : },
     488   [ +  -  +  -  :        1003 :     };
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          +  +  +  -  -  
                   -  - ]
     489   [ +  -  +  -  :         590 : }
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  -  -  -  
                      - ]
     490                 :             : 
     491                 :          62 : static RPCHelpMan getmempooldescendants()
     492                 :             : {
     493                 :          62 :     return RPCHelpMan{"getmempooldescendants",
     494                 :             :         "\nIf txid is in the mempool, returns all in-mempool descendants.\n",
     495                 :             :         {
     496         [ +  - ]:          62 :             {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id (must be in mempool)"},
     497         [ +  - ]:         124 :             {"verbose", RPCArg::Type::BOOL, RPCArg::Default{false}, "True for a json object, false for array of transaction ids"},
     498                 :             :         },
     499                 :             :         {
     500                 :             :             RPCResult{"for verbose = false",
     501                 :             :                 RPCResult::Type::ARR, "", "",
     502   [ +  -  +  -  :         186 :                 {{RPCResult::Type::STR_HEX, "", "The transaction id of an in-mempool descendant transaction"}}},
          +  -  +  -  +  
          -  +  -  +  -  
             +  +  -  - ]
     503                 :             :             RPCResult{"for verbose = true",
     504                 :             :                 RPCResult::Type::OBJ_DYN, "", "",
     505                 :             :                 {
     506         [ +  - ]:         124 :                     {RPCResult::Type::OBJ, "transactionid", "", MempoolEntryDescription()},
     507   [ +  -  +  -  :         310 :                 }},
          +  -  +  -  +  
          -  +  -  +  +  
                   -  - ]
     508                 :             :         },
     509                 :          62 :         RPCExamples{
     510   [ +  -  +  -  :         124 :             HelpExampleCli("getmempooldescendants", "\"mytxid\"")
                   +  - ]
     511   [ +  -  +  -  :         248 :             + HelpExampleRpc("getmempooldescendants", "\"mytxid\"")
             +  -  +  - ]
     512         [ +  - ]:          62 :         },
     513                 :           2 :         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
     514                 :             : {
     515                 :           2 :     bool fVerbose = false;
     516         [ +  + ]:           2 :     if (!request.params[1].isNull())
     517                 :           1 :         fVerbose = request.params[1].get_bool();
     518                 :             : 
     519                 :           2 :     uint256 hash = ParseHashV(request.params[0], "parameter 1");
     520                 :             : 
     521                 :           1 :     const CTxMemPool& mempool = EnsureAnyMemPool(request.context);
     522                 :           1 :     LOCK(mempool.cs);
     523                 :             : 
     524         [ +  - ]:           1 :     const auto it{mempool.GetIter(hash)};
     525         [ +  - ]:           1 :     if (!it) {
     526   [ +  -  +  - ]:           2 :         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Transaction not in mempool");
     527                 :             :     }
     528                 :             : 
     529         [ #  # ]:           0 :     CTxMemPool::setEntries setDescendants;
     530         [ #  # ]:           0 :     mempool.CalculateDescendants(*it, setDescendants);
     531                 :             :     // CTxMemPool::CalculateDescendants will include the given tx
     532                 :           0 :     setDescendants.erase(*it);
     533                 :             : 
     534         [ #  # ]:           0 :     if (!fVerbose) {
     535                 :           0 :         UniValue o(UniValue::VARR);
     536         [ #  # ]:           0 :         for (CTxMemPool::txiter descendantIt : setDescendants) {
     537   [ #  #  #  #  :           0 :             o.push_back(descendantIt->GetTx().GetHash().ToString());
                   #  # ]
     538                 :             :         }
     539                 :             : 
     540                 :             :         return o;
     541                 :           0 :     } else {
     542                 :           0 :         UniValue o(UniValue::VOBJ);
     543         [ #  # ]:           0 :         for (CTxMemPool::txiter descendantIt : setDescendants) {
     544                 :           0 :             const CTxMemPoolEntry &e = *descendantIt;
     545                 :           0 :             const uint256& _hash = e.GetTx().GetHash();
     546                 :           0 :             UniValue info(UniValue::VOBJ);
     547         [ #  # ]:           0 :             entryToJSON(mempool, info, e);
     548   [ #  #  #  # ]:           0 :             o.pushKV(_hash.ToString(), std::move(info));
     549                 :           0 :         }
     550                 :           0 :         return o;
     551                 :           0 :     }
     552         [ #  # ]:           0 : },
     553   [ +  -  +  -  :        1054 :     };
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          +  +  +  -  -  
                   -  - ]
     554   [ +  -  +  -  :         620 : }
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  -  -  -  
                      - ]
     555                 :             : 
     556                 :          65 : static RPCHelpMan getmempoolentry()
     557                 :             : {
     558                 :          65 :     return RPCHelpMan{"getmempoolentry",
     559                 :             :         "\nReturns mempool data for given transaction\n",
     560                 :             :         {
     561         [ +  - ]:          65 :             {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id (must be in mempool)"},
     562                 :             :         },
     563                 :           0 :         RPCResult{
     564   [ +  -  +  -  :         130 :             RPCResult::Type::OBJ, "", "", MempoolEntryDescription()},
             +  -  +  - ]
     565                 :          65 :         RPCExamples{
     566   [ +  -  +  -  :         130 :             HelpExampleCli("getmempoolentry", "\"mytxid\"")
                   +  - ]
     567   [ +  -  +  -  :         260 :             + HelpExampleRpc("getmempoolentry", "\"mytxid\"")
             +  -  +  - ]
     568         [ +  - ]:          65 :         },
     569                 :           3 :         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
     570                 :             : {
     571                 :           3 :     uint256 hash = ParseHashV(request.params[0], "parameter 1");
     572                 :             : 
     573                 :           1 :     const CTxMemPool& mempool = EnsureAnyMemPool(request.context);
     574                 :           1 :     LOCK(mempool.cs);
     575                 :             : 
     576         [ +  - ]:           1 :     const auto entry{mempool.GetEntry(Txid::FromUint256(hash))};
     577         [ +  - ]:           1 :     if (entry == nullptr) {
     578   [ +  -  +  - ]:           2 :         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Transaction not in mempool");
     579                 :             :     }
     580                 :             : 
     581                 :           0 :     UniValue info(UniValue::VOBJ);
     582         [ #  # ]:           0 :     entryToJSON(mempool, info, *entry);
     583         [ #  # ]:           0 :     return info;
     584                 :           0 : },
     585   [ +  -  +  -  :         585 :     };
          +  -  +  -  +  
          -  +  -  +  +  
                   -  - ]
     586   [ +  -  +  - ]:         195 : }
     587                 :             : 
     588                 :          62 : static RPCHelpMan gettxspendingprevout()
     589                 :             : {
     590                 :          62 :     return RPCHelpMan{"gettxspendingprevout",
     591                 :             :         "Scans the mempool to find transactions spending any of the given outputs",
     592                 :             :         {
     593         [ +  - ]:          62 :             {"outputs", RPCArg::Type::ARR, RPCArg::Optional::NO, "The transaction outputs that we want to check, and within each, the txid (string) vout (numeric).",
     594                 :             :                 {
     595         [ +  - ]:          62 :                     {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "",
     596                 :             :                         {
     597         [ +  - ]:          62 :                             {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"},
     598         [ +  - ]:          62 :                             {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO, "The output number"},
     599                 :             :                         },
     600                 :             :                     },
     601                 :             :                 },
     602                 :             :             },
     603                 :             :         },
     604                 :           0 :         RPCResult{
     605                 :             :             RPCResult::Type::ARR, "", "",
     606                 :             :             {
     607                 :             :                 {RPCResult::Type::OBJ, "", "",
     608                 :             :                 {
     609                 :             :                     {RPCResult::Type::STR_HEX, "txid", "the transaction id of the checked output"},
     610                 :             :                     {RPCResult::Type::NUM, "vout", "the vout value of the checked output"},
     611                 :             :                     {RPCResult::Type::STR_HEX, "spendingtxid", /*optional=*/true, "the transaction id of the mempool transaction spending this output (omitted if unspent)"},
     612                 :             :                 }},
     613                 :             :             }
     614   [ +  -  +  -  :         434 :         },
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  +  
          +  +  -  -  -  
                      - ]
     615                 :          62 :         RPCExamples{
     616   [ +  -  +  -  :         124 :             HelpExampleCli("gettxspendingprevout", "\"[{\\\"txid\\\":\\\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\\\",\\\"vout\\\":3}]\"")
                   +  - ]
     617   [ +  -  +  -  :         248 :             + HelpExampleRpc("gettxspendingprevout", "\"[{\\\"txid\\\":\\\"a08e6907dbbd3d809776dbfc5d82e371b764ed838b5655e72f463568df1aadf0\\\",\\\"vout\\\":3}]\"")
             +  -  +  - ]
     618         [ +  - ]:          62 :         },
     619                 :           4 :         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
     620                 :             :         {
     621                 :           4 :             const UniValue& output_params = request.params[0].get_array();
     622         [ +  + ]:           4 :             if (output_params.empty()) {
     623   [ +  -  +  - ]:           2 :                 throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, outputs are missing");
     624                 :             :             }
     625                 :             : 
     626                 :           3 :             std::vector<COutPoint> prevouts;
     627         [ +  - ]:           3 :             prevouts.reserve(output_params.size());
     628                 :             : 
     629         [ +  - ]:           3 :             for (unsigned int idx = 0; idx < output_params.size(); idx++) {
     630   [ +  -  +  + ]:           3 :                 const UniValue& o = output_params[idx].get_obj();
     631                 :             : 
     632   [ -  +  -  -  :           5 :                 RPCTypeCheckObj(o,
                   +  + ]
     633                 :             :                                 {
     634         [ +  - ]:           1 :                                     {"txid", UniValueType(UniValue::VSTR)},
     635         [ +  - ]:           1 :                                     {"vout", UniValueType(UniValue::VNUM)},
     636                 :             :                                 }, /*fAllowNull=*/false, /*fStrict=*/true);
     637                 :             : 
     638         [ #  # ]:           0 :                 const Txid txid = Txid::FromUint256(ParseHashO(o, "txid"));
     639   [ #  #  #  # ]:           0 :                 const int nOutput{o.find_value("vout").getInt<int>()};
     640         [ #  # ]:           0 :                 if (nOutput < 0) {
     641   [ #  #  #  # ]:           0 :                     throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, vout cannot be negative");
     642                 :             :                 }
     643                 :             : 
     644         [ #  # ]:           0 :                 prevouts.emplace_back(txid, nOutput);
     645                 :             :             }
     646                 :             : 
     647         [ #  # ]:           0 :             const CTxMemPool& mempool = EnsureAnyMemPool(request.context);
     648         [ #  # ]:           0 :             LOCK(mempool.cs);
     649                 :             : 
     650                 :           0 :             UniValue result{UniValue::VARR};
     651                 :             : 
     652         [ #  # ]:           0 :             for (const COutPoint& prevout : prevouts) {
     653                 :           0 :                 UniValue o(UniValue::VOBJ);
     654   [ #  #  #  #  :           0 :                 o.pushKV("txid", prevout.hash.ToString());
             #  #  #  # ]
     655   [ #  #  #  #  :           0 :                 o.pushKV("vout", (uint64_t)prevout.n);
                   #  # ]
     656                 :             : 
     657         [ #  # ]:           0 :                 const CTransaction* spendingTx = mempool.GetConflictTx(prevout);
     658         [ #  # ]:           0 :                 if (spendingTx != nullptr) {
     659   [ #  #  #  #  :           0 :                     o.pushKV("spendingtxid", spendingTx->GetHash().ToString());
             #  #  #  # ]
     660                 :             :                 }
     661                 :             : 
     662         [ #  # ]:           0 :                 result.push_back(std::move(o));
     663                 :           0 :             }
     664                 :             : 
     665         [ #  # ]:           0 :             return result;
     666   [ +  -  +  -  :           2 :         },
             +  -  -  + ]
     667   [ +  -  +  -  :        1116 :     };
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          +  +  +  +  +  
          -  -  -  -  -  
                      - ]
     668   [ +  -  +  -  :         868 : }
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
             -  -  -  -  
                      - ]
     669                 :             : 
     670                 :           1 : UniValue MempoolInfoToJSON(const CTxMemPool& pool)
     671                 :             : {
     672                 :             :     // Make sure this call is atomic in the pool.
     673                 :           1 :     LOCK(pool.cs);
     674                 :           1 :     UniValue ret(UniValue::VOBJ);
     675   [ +  -  +  -  :           2 :     ret.pushKV("loaded", pool.GetLoadTried());
             +  -  +  - ]
     676   [ +  -  +  -  :           2 :     ret.pushKV("size", (int64_t)pool.size());
             +  -  +  - ]
     677   [ +  -  +  -  :           2 :     ret.pushKV("bytes", (int64_t)pool.GetTotalTxSize());
                   +  - ]
     678   [ +  -  +  -  :           2 :     ret.pushKV("usage", (int64_t)pool.DynamicMemoryUsage());
             +  -  +  - ]
     679   [ +  -  +  -  :           2 :     ret.pushKV("total_fee", ValueFromAmount(pool.GetTotalFee()));
                   +  - ]
     680   [ +  -  +  -  :           2 :     ret.pushKV("maxmempool", pool.m_opts.max_size_bytes);
                   +  - ]
     681   [ +  -  +  -  :           3 :     ret.pushKV("mempoolminfee", ValueFromAmount(std::max(pool.GetMinFee(), pool.m_opts.min_relay_feerate).GetFeePerK()));
          +  -  +  -  +  
                      - ]
     682   [ +  -  +  -  :           2 :     ret.pushKV("minrelaytxfee", ValueFromAmount(pool.m_opts.min_relay_feerate.GetFeePerK()));
                   +  - ]
     683   [ +  -  +  -  :           2 :     ret.pushKV("incrementalrelayfee", ValueFromAmount(pool.m_opts.incremental_relay_feerate.GetFeePerK()));
                   +  - ]
     684   [ +  -  +  -  :           2 :     ret.pushKV("unbroadcastcount", uint64_t{pool.GetUnbroadcastTxs().size()});
             +  -  +  - ]
     685   [ +  -  +  -  :           2 :     ret.pushKV("fullrbf", pool.m_opts.full_rbf);
                   +  - ]
     686         [ +  - ]:           1 :     return ret;
     687                 :           1 : }
     688                 :             : 
     689                 :          66 : static RPCHelpMan getmempoolinfo()
     690                 :             : {
     691                 :          66 :     return RPCHelpMan{"getmempoolinfo",
     692                 :             :         "Returns details on the active state of the TX memory pool.",
     693                 :             :         {},
     694                 :           0 :         RPCResult{
     695                 :             :             RPCResult::Type::OBJ, "", "",
     696                 :             :             {
     697                 :             :                 {RPCResult::Type::BOOL, "loaded", "True if the initial load attempt of the persisted mempool finished"},
     698                 :             :                 {RPCResult::Type::NUM, "size", "Current tx count"},
     699                 :             :                 {RPCResult::Type::NUM, "bytes", "Sum of all virtual transaction sizes as defined in BIP 141. Differs from actual serialized size because witness data is discounted"},
     700                 :             :                 {RPCResult::Type::NUM, "usage", "Total memory usage for the mempool"},
     701         [ +  - ]:         132 :                 {RPCResult::Type::STR_AMOUNT, "total_fee", "Total fees for the mempool in " + CURRENCY_UNIT + ", ignoring modified fees through prioritisetransaction"},
     702                 :             :                 {RPCResult::Type::NUM, "maxmempool", "Maximum memory usage for the mempool"},
     703         [ +  - ]:         132 :                 {RPCResult::Type::STR_AMOUNT, "mempoolminfee", "Minimum fee rate in " + CURRENCY_UNIT + "/kvB for tx to be accepted. Is the maximum of minrelaytxfee and minimum mempool fee"},
     704                 :             :                 {RPCResult::Type::STR_AMOUNT, "minrelaytxfee", "Current minimum relay fee for transactions"},
     705         [ +  - ]:         132 :                 {RPCResult::Type::NUM, "incrementalrelayfee", "minimum fee rate increment for mempool limiting or replacement in " + CURRENCY_UNIT + "/kvB"},
     706                 :             :                 {RPCResult::Type::NUM, "unbroadcastcount", "Current number of transactions that haven't passed initial broadcast yet"},
     707                 :             :                 {RPCResult::Type::BOOL, "fullrbf", "True if the mempool accepts RBF without replaceability signaling inspection"},
     708   [ +  -  +  -  :        1254 :             }},
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
                +  -  - ]
     709                 :          66 :         RPCExamples{
     710   [ +  -  +  -  :         132 :             HelpExampleCli("getmempoolinfo", "")
                   +  - ]
     711   [ +  -  +  -  :         264 :             + HelpExampleRpc("getmempoolinfo", "")
             +  -  +  - ]
     712         [ +  - ]:          66 :         },
     713                 :           1 :         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
     714                 :             : {
     715                 :           1 :     return MempoolInfoToJSON(EnsureAnyMemPool(request.context));
     716                 :             : },
     717   [ +  -  +  -  :         396 :     };
             +  -  +  - ]
     718   [ +  -  +  -  :         792 : }
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
                   -  - ]
     719                 :             : 
     720                 :          57 : static RPCHelpMan importmempool()
     721                 :             : {
     722                 :          57 :     return RPCHelpMan{
     723                 :             :         "importmempool",
     724                 :             :         "Import a mempool.dat file and attempt to add its contents to the mempool.\n"
     725                 :             :         "Warning: Importing untrusted files is dangerous, especially if metadata from the file is taken over.",
     726                 :             :         {
     727         [ +  - ]:          57 :             {"filepath", RPCArg::Type::STR, RPCArg::Optional::NO, "The mempool file"},
     728                 :             :             {"options",
     729                 :             :              RPCArg::Type::OBJ_NAMED_PARAMS,
     730         [ +  - ]:          57 :              RPCArg::Optional::OMITTED,
     731                 :             :              "",
     732                 :             :              {
     733         [ +  - ]:         114 :                  {"use_current_time", RPCArg::Type::BOOL, RPCArg::Default{true},
     734                 :             :                   "Whether to use the current system time or use the entry time metadata from the mempool file.\n"
     735                 :             :                   "Warning: Importing untrusted metadata may lead to unexpected issues and undesirable behavior."},
     736         [ +  - ]:         114 :                  {"apply_fee_delta_priority", RPCArg::Type::BOOL, RPCArg::Default{false},
     737                 :             :                   "Whether to apply the fee delta metadata from the mempool file.\n"
     738                 :             :                   "It will be added to any existing fee deltas.\n"
     739                 :             :                   "The fee delta can be set by the prioritisetransaction RPC.\n"
     740                 :             :                   "Warning: Importing untrusted metadata may lead to unexpected issues and undesirable behavior.\n"
     741                 :             :                   "Only set this bool if you understand what it does."},
     742         [ +  - ]:         114 :                  {"apply_unbroadcast_set", RPCArg::Type::BOOL, RPCArg::Default{false},
     743                 :             :                   "Whether to apply the unbroadcast set metadata from the mempool file.\n"
     744                 :             :                   "Warning: Importing untrusted metadata may lead to unexpected issues and undesirable behavior."},
     745                 :             :              },
     746   [ +  -  +  - ]:          57 :              RPCArgOptions{.oneline_description = "options"}},
     747                 :             :         },
     748   [ +  -  +  -  :         114 :         RPCResult{RPCResult::Type::OBJ, "", "", std::vector<RPCResult>{}},
                   +  - ]
     749   [ +  -  +  -  :         171 :         RPCExamples{HelpExampleCli("importmempool", "/path/to/mempool.dat") + HelpExampleRpc("importmempool", "/path/to/mempool.dat")},
          +  -  +  -  +  
          -  +  -  +  -  
                   +  - ]
     750                 :           0 :         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue {
     751                 :           0 :             const NodeContext& node{EnsureAnyNodeContext(request.context)};
     752                 :             : 
     753                 :           0 :             CTxMemPool& mempool{EnsureMemPool(node)};
     754                 :           0 :             ChainstateManager& chainman = EnsureChainman(node);
     755                 :           0 :             Chainstate& chainstate = chainman.ActiveChainstate();
     756                 :             : 
     757         [ #  # ]:           0 :             if (chainman.IsInitialBlockDownload()) {
     758   [ #  #  #  # ]:           0 :                 throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "Can only import the mempool after the block download and sync is done.");
     759                 :             :             }
     760                 :             : 
     761                 :           0 :             const fs::path load_path{fs::u8path(request.params[0].get_str())};
     762   [ #  #  #  #  :           0 :             const UniValue& use_current_time{request.params[1]["use_current_time"]};
                   #  # ]
     763   [ #  #  #  #  :           0 :             const UniValue& apply_fee_delta{request.params[1]["apply_fee_delta_priority"]};
                   #  # ]
     764   [ #  #  #  #  :           0 :             const UniValue& apply_unbroadcast{request.params[1]["apply_unbroadcast_set"]};
                   #  # ]
     765         [ #  # ]:           0 :             node::ImportMempoolOptions opts{
     766   [ #  #  #  # ]:           0 :                 .use_current_time = use_current_time.isNull() ? true : use_current_time.get_bool(),
     767   [ #  #  #  # ]:           0 :                 .apply_fee_delta_priority = apply_fee_delta.isNull() ? false : apply_fee_delta.get_bool(),
     768   [ #  #  #  # ]:           0 :                 .apply_unbroadcast_set = apply_unbroadcast.isNull() ? false : apply_unbroadcast.get_bool(),
     769   [ #  #  #  #  :           0 :             };
                   #  # ]
     770                 :             : 
     771   [ #  #  #  # ]:           0 :             if (!node::LoadMempool(mempool, load_path, chainstate, std::move(opts))) {
     772   [ #  #  #  # ]:           0 :                 throw JSONRPCError(RPC_MISC_ERROR, "Unable to import mempool file, see debug.log for details.");
     773                 :             :             }
     774                 :             : 
     775                 :           0 :             UniValue ret{UniValue::VOBJ};
     776                 :           0 :             return ret;
     777                 :           0 :         },
     778   [ +  -  +  -  :        1539 :     };
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  +  +  +  
             -  -  -  - ]
     779   [ +  -  +  -  :         570 : }
          +  -  +  -  +  
          -  +  -  -  -  
                   -  - ]
     780                 :             : 
     781                 :          56 : static RPCHelpMan savemempool()
     782                 :             : {
     783                 :          56 :     return RPCHelpMan{"savemempool",
     784                 :             :         "\nDumps the mempool to disk. It will fail until the previous dump is fully loaded.\n",
     785                 :             :         {},
     786                 :           0 :         RPCResult{
     787                 :             :             RPCResult::Type::OBJ, "", "",
     788                 :             :             {
     789                 :             :                 {RPCResult::Type::STR, "filename", "the directory and file where the mempool was saved"},
     790   [ +  -  +  -  :         168 :             }},
          +  -  +  -  +  
          -  +  -  +  -  
             +  +  -  - ]
     791                 :          56 :         RPCExamples{
     792   [ +  -  +  -  :         112 :             HelpExampleCli("savemempool", "")
                   +  - ]
     793   [ +  -  +  -  :         224 :             + HelpExampleRpc("savemempool", "")
             +  -  +  - ]
     794         [ +  - ]:          56 :         },
     795                 :           0 :         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
     796                 :             : {
     797                 :           0 :     const ArgsManager& args{EnsureAnyArgsman(request.context)};
     798                 :           0 :     const CTxMemPool& mempool = EnsureAnyMemPool(request.context);
     799                 :             : 
     800         [ #  # ]:           0 :     if (!mempool.GetLoadTried()) {
     801   [ #  #  #  # ]:           0 :         throw JSONRPCError(RPC_MISC_ERROR, "The mempool was not loaded yet");
     802                 :             :     }
     803                 :             : 
     804                 :           0 :     const fs::path& dump_path = MempoolPath(args);
     805                 :             : 
     806   [ #  #  #  # ]:           0 :     if (!DumpMempool(mempool, dump_path)) {
     807   [ #  #  #  # ]:           0 :         throw JSONRPCError(RPC_MISC_ERROR, "Unable to dump mempool to disk");
     808                 :             :     }
     809                 :             : 
     810                 :           0 :     UniValue ret(UniValue::VOBJ);
     811   [ #  #  #  #  :           0 :     ret.pushKV("filename", dump_path.utf8string());
             #  #  #  # ]
     812                 :             : 
     813                 :           0 :     return ret;
     814                 :           0 : },
     815   [ +  -  +  -  :         336 :     };
             +  -  +  - ]
     816   [ +  -  +  - ]:         112 : }
     817                 :             : 
     818                 :         102 : static std::vector<RPCResult> OrphanDescription()
     819                 :             : {
     820                 :         102 :     return {
     821   [ +  -  +  -  :         204 :         RPCResult{RPCResult::Type::STR_HEX, "txid", "The transaction hash in hex"},
                   +  - ]
     822   [ +  -  +  -  :         204 :         RPCResult{RPCResult::Type::STR_HEX, "wtxid", "The transaction witness hash in hex"},
                   +  - ]
     823   [ +  -  +  -  :         204 :         RPCResult{RPCResult::Type::NUM, "bytes", "The serialized transaction size in bytes"},
                   +  - ]
     824   [ +  -  +  -  :         204 :         RPCResult{RPCResult::Type::NUM, "vsize", "The virtual transaction size as defined in BIP 141. This is different from actual serialized size for witness transactions as witness data is discounted."},
                   +  - ]
     825   [ +  -  +  -  :         204 :         RPCResult{RPCResult::Type::NUM, "weight", "The transaction weight as defined in BIP 141."},
                   +  - ]
     826   [ +  -  +  -  :         204 :         RPCResult{RPCResult::Type::NUM_TIME, "entry", "The entry time into the orphanage expressed in " + UNIX_EPOCH_TIME},
                   +  - ]
     827   [ +  -  +  -  :         204 :         RPCResult{RPCResult::Type::NUM_TIME, "expiration", "The orphan expiration time expressed in " + UNIX_EPOCH_TIME},
                   +  - ]
     828                 :             :         RPCResult{RPCResult::Type::ARR, "from", "",
     829                 :             :         {
     830   [ +  -  +  -  :         204 :             RPCResult{RPCResult::Type::NUM, "peer_id", "Peer ID"},
                   +  - ]
     831   [ +  -  +  -  :         510 :         }},
          +  -  +  +  -  
                      - ]
     832   [ +  -  +  +  :        1122 :     };
                   -  - ]
     833   [ +  -  +  -  :        1020 : }
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
                -  -  - ]
     834                 :             : 
     835                 :           0 : static UniValue OrphanToJSON(const TxOrphanage::OrphanTxBase& orphan)
     836                 :             : {
     837                 :           0 :     UniValue o(UniValue::VOBJ);
     838   [ #  #  #  #  :           0 :     o.pushKV("txid", orphan.tx->GetHash().ToString());
             #  #  #  # ]
     839   [ #  #  #  #  :           0 :     o.pushKV("wtxid", orphan.tx->GetWitnessHash().ToString());
             #  #  #  # ]
     840   [ #  #  #  #  :           0 :     o.pushKV("bytes", orphan.tx->GetTotalSize());
             #  #  #  # ]
     841   [ #  #  #  #  :           0 :     o.pushKV("vsize", GetVirtualTransactionSize(*orphan.tx));
             #  #  #  # ]
     842   [ #  #  #  #  :           0 :     o.pushKV("weight", GetTransactionWeight(*orphan.tx));
                   #  # ]
     843   [ #  #  #  #  :           0 :     o.pushKV("entry", int64_t{TicksSinceEpoch<std::chrono::seconds>(orphan.nTimeExpire - ORPHAN_TX_EXPIRE_TIME)});
                   #  # ]
     844   [ #  #  #  #  :           0 :     o.pushKV("expiration", int64_t{TicksSinceEpoch<std::chrono::seconds>(orphan.nTimeExpire)});
                   #  # ]
     845                 :           0 :     UniValue from(UniValue::VARR);
     846   [ #  #  #  # ]:           0 :     from.push_back(orphan.fromPeer); // only one fromPeer for now
     847   [ #  #  #  #  :           0 :     o.pushKV("from", from);
                   #  # ]
     848                 :           0 :     return o;
     849                 :           0 : }
     850                 :             : 
     851                 :          51 : static RPCHelpMan getorphantxs()
     852                 :             : {
     853                 :          51 :     return RPCHelpMan{"getorphantxs",
     854                 :             :         "\nShows transactions in the tx orphanage.\n"
     855                 :             :         "\nEXPERIMENTAL warning: this call may be changed in future releases.\n",
     856                 :             :         {
     857         [ +  - ]:         102 :             {"verbosity", RPCArg::Type::NUM, RPCArg::Default{0}, "0 for an array of txids (may contain duplicates), 1 for an array of objects with tx details, and 2 for details from (1) and tx hex",
     858         [ +  - ]:         102 :              RPCArgOptions{.skip_type_check = true}},
     859                 :             :         },
     860                 :             :         {
     861                 :             :             RPCResult{"for verbose = 0",
     862                 :             :                 RPCResult::Type::ARR, "", "",
     863                 :             :                 {
     864                 :             :                     {RPCResult::Type::STR_HEX, "txid", "The transaction hash in hex"},
     865   [ +  -  +  -  :         153 :                 }},
          +  -  +  -  +  
          -  +  -  +  -  
             +  +  -  - ]
     866                 :             :             RPCResult{"for verbose = 1",
     867                 :             :                 RPCResult::Type::ARR, "", "",
     868                 :             :                 {
     869         [ +  - ]:         102 :                     {RPCResult::Type::OBJ, "", "", OrphanDescription()},
     870   [ +  -  +  -  :         255 :                 }},
          +  -  +  -  +  
          -  +  -  +  +  
                   -  - ]
     871                 :             :             RPCResult{"for verbose = 2",
     872                 :             :                 RPCResult::Type::ARR, "", "",
     873                 :             :                 {
     874                 :             :                     {RPCResult::Type::OBJ, "", "",
     875   [ +  -  +  -  :         255 :                         Cat<std::vector<RPCResult>>(
          +  -  +  -  +  
             -  +  +  -  
                      - ]
     876         [ +  - ]:         102 :                             OrphanDescription(),
     877                 :             :                             {{RPCResult::Type::STR_HEX, "hex", "The serialized, hex-encoded transaction data"}}
     878                 :             :                         )
     879                 :             :                     },
     880   [ +  -  +  -  :         255 :                 }},
          +  -  +  -  +  
          -  +  -  +  +  
                   -  - ]
     881                 :             :         },
     882                 :          51 :         RPCExamples{
     883   [ +  -  +  -  :         102 :             HelpExampleCli("getorphantxs", "2")
                   +  - ]
     884   [ +  -  +  -  :         204 :             + HelpExampleRpc("getorphantxs", "2")
             +  -  +  - ]
     885         [ +  - ]:          51 :         },
     886                 :           0 :         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
     887                 :             :         {
     888                 :           0 :             const NodeContext& node = EnsureAnyNodeContext(request.context);
     889                 :           0 :             PeerManager& peerman = EnsurePeerman(node);
     890                 :           0 :             std::vector<TxOrphanage::OrphanTxBase> orphanage = peerman.GetOrphanTransactions();
     891                 :             : 
     892   [ #  #  #  # ]:           0 :             int verbosity{ParseVerbosity(request.params[0], /*default_verbosity=*/0, /*allow_bool*/false)};
     893                 :             : 
     894                 :           0 :             UniValue ret(UniValue::VARR);
     895                 :             : 
     896         [ #  # ]:           0 :             if (verbosity == 0) {
     897         [ #  # ]:           0 :                 for (auto const& orphan : orphanage) {
     898   [ #  #  #  #  :           0 :                     ret.push_back(orphan.tx->GetHash().ToString());
                   #  # ]
     899                 :             :                 }
     900         [ #  # ]:           0 :             } else if (verbosity == 1) {
     901         [ #  # ]:           0 :                 for (auto const& orphan : orphanage) {
     902   [ #  #  #  # ]:           0 :                     ret.push_back(OrphanToJSON(orphan));
     903                 :             :                 }
     904         [ #  # ]:           0 :             } else if (verbosity == 2) {
     905         [ #  # ]:           0 :                 for (auto const& orphan : orphanage) {
     906         [ #  # ]:           0 :                     UniValue o{OrphanToJSON(orphan)};
     907   [ #  #  #  #  :           0 :                     o.pushKV("hex", EncodeHexTx(*orphan.tx));
             #  #  #  # ]
     908   [ #  #  #  # ]:           0 :                     ret.push_back(o);
     909                 :           0 :                 }
     910                 :             :             } else {
     911   [ #  #  #  #  :           0 :                 throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid verbosity value " + ToString(verbosity));
                   #  # ]
     912                 :             :             }
     913                 :             : 
     914                 :           0 :             return ret;
     915                 :           0 :         },
     916   [ +  -  +  -  :         765 :     };
          +  -  +  -  +  
          -  +  -  +  -  
          +  +  +  +  -  
                -  -  - ]
     917   [ +  -  +  -  :         510 : }
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
                -  -  - ]
     918                 :             : 
     919                 :         181 : static RPCHelpMan submitpackage()
     920                 :             : {
     921                 :         181 :     return RPCHelpMan{"submitpackage",
     922                 :             :         "Submit a package of raw transactions (serialized, hex-encoded) to local node.\n"
     923                 :             :         "The package will be validated according to consensus and mempool policy rules. If any transaction passes, it will be accepted to mempool.\n"
     924                 :             :         "This RPC is experimental and the interface may be unstable. Refer to doc/policy/packages.md for documentation on package policies.\n"
     925                 :             :         "Warning: successful submission does not mean the transactions will propagate throughout the network.\n"
     926                 :             :         ,
     927                 :             :         {
     928         [ +  - ]:         181 :             {"package", RPCArg::Type::ARR, RPCArg::Optional::NO, "An array of raw transactions.\n"
     929                 :             :                 "The package must solely consist of a child and its parents. None of the parents may depend on each other.\n"
     930                 :             :                 "The package must be topologically sorted, with the child being the last element in the array.",
     931                 :             :                 {
     932         [ +  - ]:         181 :                     {"rawtx", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, ""},
     933                 :             :                 },
     934                 :             :             },
     935   [ +  -  +  - ]:         362 :             {"maxfeerate", RPCArg::Type::AMOUNT, RPCArg::Default{FormatMoney(DEFAULT_MAX_RAW_TX_FEE_RATE.GetFeePerK())},
     936                 :         181 :              "Reject transactions whose fee rate is higher than the specified value, expressed in " + CURRENCY_UNIT +
     937                 :         181 :                  "/kvB.\nFee rates larger than 1BTC/kvB are rejected.\nSet to 0 to accept any fee rate."},
     938   [ +  -  +  - ]:         362 :             {"maxburnamount", RPCArg::Type::AMOUNT, RPCArg::Default{FormatMoney(DEFAULT_MAX_BURN_AMOUNT)},
     939                 :         181 :              "Reject transactions with provably unspendable outputs (e.g. 'datacarrier' outputs that use the OP_RETURN opcode) greater than the specified value, expressed in " + CURRENCY_UNIT + ".\n"
     940                 :             :              "If burning funds through unspendable outputs is desired, increase this value.\n"
     941                 :         181 :              "This check is based on heuristics and does not guarantee spendability of outputs.\n"
     942                 :             :             },
     943                 :             :         },
     944                 :           0 :         RPCResult{
     945                 :             :             RPCResult::Type::OBJ, "", "",
     946                 :             :             {
     947                 :             :                 {RPCResult::Type::STR, "package_msg", "The transaction package result message. \"success\" indicates all transactions were accepted into or are already in the mempool."},
     948                 :             :                 {RPCResult::Type::OBJ_DYN, "tx-results", "transaction results keyed by wtxid",
     949                 :             :                 {
     950                 :             :                     {RPCResult::Type::OBJ, "wtxid", "transaction wtxid", {
     951                 :             :                         {RPCResult::Type::STR_HEX, "txid", "The transaction hash in hex"},
     952                 :             :                         {RPCResult::Type::STR_HEX, "other-wtxid", /*optional=*/true, "The wtxid of a different transaction with the same txid but different witness found in the mempool. This means the submitted transaction was ignored."},
     953                 :             :                         {RPCResult::Type::NUM, "vsize", /*optional=*/true, "Sigops-adjusted virtual transaction size."},
     954                 :             :                         {RPCResult::Type::OBJ, "fees", /*optional=*/true, "Transaction fees", {
     955         [ +  - ]:         362 :                             {RPCResult::Type::STR_AMOUNT, "base", "transaction fee in " + CURRENCY_UNIT},
     956         [ +  - ]:         362 :                             {RPCResult::Type::STR_AMOUNT, "effective-feerate", /*optional=*/true, "if the transaction was not already in the mempool, the effective feerate in " + CURRENCY_UNIT + " per KvB. For example, the package feerate and/or feerate with modified fees from prioritisetransaction."},
     957                 :             :                             {RPCResult::Type::ARR, "effective-includes", /*optional=*/true, "if effective-feerate is provided, the wtxids of the transactions whose fees and vsizes are included in effective-feerate.",
     958                 :             :                                 {{RPCResult::Type::STR_HEX, "", "transaction wtxid in hex"},
     959                 :             :                             }},
     960                 :             :                         }},
     961                 :             :                         {RPCResult::Type::STR, "error", /*optional=*/true, "The transaction error string, if it was rejected by the mempool"},
     962                 :             :                     }}
     963                 :             :                 }},
     964                 :             :                 {RPCResult::Type::ARR, "replaced-transactions", /*optional=*/true, "List of txids of replaced transactions",
     965                 :             :                 {
     966                 :             :                     {RPCResult::Type::STR_HEX, "", "The transaction id"},
     967                 :             :                 }},
     968                 :             :             },
     969   [ +  -  +  -  :        4525 :         },
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          +  +  +  +  +  
          +  +  +  +  +  
          +  -  -  -  -  
          -  -  -  -  -  
                -  -  - ]
     970                 :         181 :         RPCExamples{
     971   [ +  -  +  -  :         362 :             HelpExampleRpc("submitpackage", R"(["rawtx1", "rawtx2"])") +
                   +  - ]
     972   [ +  -  +  -  :         543 :             HelpExampleCli("submitpackage", R"('["rawtx1", "rawtx2"]')")
             +  -  +  - ]
     973         [ +  - ]:         181 :         },
     974                 :         121 :         [&](const RPCHelpMan& self, const JSONRPCRequest& request) -> UniValue
     975                 :             :         {
     976                 :         121 :             const UniValue raw_transactions = request.params[0].get_array();
     977   [ +  +  +  + ]:         121 :             if (raw_transactions.size() < 2 || raw_transactions.size() > MAX_PACKAGE_COUNT) {
     978                 :           5 :                 throw JSONRPCError(RPC_INVALID_PARAMETER,
     979   [ +  -  +  -  :          15 :                                    "Array must contain between 2 and " + ToString(MAX_PACKAGE_COUNT) + " transactions.");
                   +  - ]
     980                 :             :             }
     981                 :             : 
     982                 :             :             // Fee check needs to be run with chainstate and package context
     983   [ +  -  +  + ]:         116 :             const CFeeRate max_raw_tx_fee_rate{ParseFeeRate(self.Arg<UniValue>("maxfeerate"))};
     984         [ +  + ]:         115 :             std::optional<CFeeRate> client_maxfeerate{max_raw_tx_fee_rate};
     985                 :             :             // 0-value is special; it's mapped to no sanity check
     986         [ +  + ]:         115 :             if (max_raw_tx_fee_rate == CFeeRate(0)) {
     987                 :           5 :                 client_maxfeerate = std::nullopt;
     988                 :             :             }
     989                 :             : 
     990                 :             :             // Burn sanity check is run with no context
     991   [ +  -  +  +  :         115 :             const CAmount max_burn_amount = request.params[2].isNull() ? 0 : AmountFromValue(request.params[2]);
             +  -  +  + ]
     992                 :             : 
     993                 :         113 :             std::vector<CTransactionRef> txns;
     994         [ +  - ]:         113 :             txns.reserve(raw_transactions.size());
     995   [ +  -  +  + ]:         617 :             for (const auto& rawtx : raw_transactions.getValues()) {
     996         [ +  - ]:         530 :                 CMutableTransaction mtx;
     997   [ +  +  +  -  :         530 :                 if (!DecodeHexTx(mtx, rawtx.get_str())) {
                   +  + ]
     998                 :           8 :                     throw JSONRPCError(RPC_DESERIALIZATION_ERROR,
     999   [ +  -  +  -  :          24 :                                        "TX decode failed: " + rawtx.get_str() + " Make sure the tx has at least one input.");
                   +  - ]
    1000                 :             :                 }
    1001                 :             : 
    1002         [ +  + ]:        2861 :                 for (const auto& out : mtx.vout) {
    1003   [ +  +  +  -  :        2357 :                     if((out.scriptPubKey.IsUnspendable() || !out.scriptPubKey.HasValidOps()) && out.nValue > max_burn_amount) {
             +  +  +  + ]
    1004   [ +  -  +  - ]:          32 :                         throw JSONRPCTransactionError(TransactionError::MAX_BURN_EXCEEDED);
    1005                 :             :                     }
    1006                 :             :                 }
    1007                 :             : 
    1008   [ +  -  +  - ]:        1512 :                 txns.emplace_back(MakeTransactionRef(std::move(mtx)));
    1009                 :         530 :             }
    1010   [ +  -  +  + ]:          87 :             if (!IsChildWithParentsTree(txns)) {
    1011   [ +  -  +  - ]:         104 :                 throw JSONRPCTransactionError(TransactionError::INVALID_PACKAGE, "package topology disallowed. not child-with-parents or parents depend on each other.");
    1012                 :             :             }
    1013                 :             : 
    1014         [ +  - ]:          35 :             NodeContext& node = EnsureAnyNodeContext(request.context);
    1015         [ +  - ]:          35 :             CTxMemPool& mempool = EnsureMemPool(node);
    1016   [ +  -  +  - ]:          35 :             Chainstate& chainstate = EnsureChainman(node).ActiveChainstate();
    1017   [ +  -  +  - ]:         105 :             const auto package_result = WITH_LOCK(::cs_main, return ProcessNewPackage(chainstate, mempool, txns, /*test_accept=*/ false, client_maxfeerate));
    1018                 :             : 
    1019         [ +  - ]:          35 :             std::string package_msg = "success";
    1020                 :             : 
    1021                 :             :             // First catch package-wide errors, continue if we can
    1022   [ -  -  +  - ]:          35 :             switch(package_result.m_state.GetResult()) {
    1023                 :           0 :                 case PackageValidationResult::PCKG_RESULT_UNSET:
    1024                 :           0 :                 {
    1025                 :             :                     // Belt-and-suspenders check; everything should be successful here
    1026         [ #  # ]:           0 :                     CHECK_NONFATAL(package_result.m_tx_results.size() == txns.size());
    1027         [ #  # ]:           0 :                     for (const auto& tx : txns) {
    1028   [ #  #  #  # ]:           0 :                         CHECK_NONFATAL(mempool.exists(GenTxid::Txid(tx->GetHash())));
    1029                 :             :                     }
    1030                 :             :                     break;
    1031                 :             :                 }
    1032                 :           0 :                 case PackageValidationResult::PCKG_MEMPOOL_ERROR:
    1033                 :           0 :                 {
    1034                 :             :                     // This only happens with internal bug; user should stop and report
    1035                 :           0 :                     throw JSONRPCTransactionError(TransactionError::MEMPOOL_ERROR,
    1036   [ #  #  #  # ]:           0 :                         package_result.m_state.GetRejectReason());
    1037                 :             :                 }
    1038                 :          35 :                 case PackageValidationResult::PCKG_POLICY:
    1039                 :          35 :                 case PackageValidationResult::PCKG_TX:
    1040                 :          35 :                 {
    1041                 :             :                     // Package-wide error we want to return, but we also want to return individual responses
    1042         [ +  - ]:          35 :                     package_msg = package_result.m_state.ToString();
    1043   [ +  -  +  -  :          70 :                     CHECK_NONFATAL(package_result.m_tx_results.size() == txns.size() ||
                   +  - ]
    1044                 :             :                             package_result.m_tx_results.empty());
    1045                 :             :                     break;
    1046                 :             :                 }
    1047                 :             :             }
    1048                 :             : 
    1049                 :          35 :             size_t num_broadcast{0};
    1050         [ +  + ]:         199 :             for (const auto& tx : txns) {
    1051                 :             :                 // We don't want to re-submit the txn for validation in BroadcastTransaction
    1052   [ +  -  +  - ]:         164 :                 if (!mempool.exists(GenTxid::Txid(tx->GetHash()))) {
    1053                 :         164 :                     continue;
    1054                 :             :                 }
    1055                 :             : 
    1056                 :             :                 // We do not expect an error here; we are only broadcasting things already/still in mempool
    1057         [ #  # ]:           0 :                 std::string err_string;
    1058   [ #  #  #  #  :           0 :                 const auto err = BroadcastTransaction(node, tx, err_string, /*max_tx_fee=*/0, /*relay=*/true, /*wait_callback=*/true);
                   #  # ]
    1059         [ #  # ]:           0 :                 if (err != TransactionError::OK) {
    1060                 :           0 :                     throw JSONRPCTransactionError(err,
    1061         [ #  # ]:           0 :                         strprintf("transaction broadcast failed: %s (%d transactions were broadcast successfully)",
    1062         [ #  # ]:           0 :                             err_string, num_broadcast));
    1063                 :             :                 }
    1064                 :           0 :                 num_broadcast++;
    1065                 :           0 :             }
    1066                 :             : 
    1067                 :          35 :             UniValue rpc_result{UniValue::VOBJ};
    1068   [ +  -  +  -  :          70 :             rpc_result.pushKV("package_msg", package_msg);
                   +  - ]
    1069                 :          70 :             UniValue tx_result_map{UniValue::VOBJ};
    1070                 :          70 :             std::set<uint256> replaced_txids;
    1071         [ +  + ]:         199 :             for (const auto& tx : txns) {
    1072                 :         164 :                 UniValue result_inner{UniValue::VOBJ};
    1073   [ +  -  +  -  :         328 :                 result_inner.pushKV("txid", tx->GetHash().GetHex());
             +  -  +  - ]
    1074                 :         164 :                 auto it = package_result.m_tx_results.find(tx->GetWitnessHash());
    1075         [ +  - ]:         164 :                 if (it == package_result.m_tx_results.end()) {
    1076                 :             :                     // No results, report error and continue
    1077   [ +  -  +  -  :         328 :                     result_inner.pushKV("error", "unevaluated");
                   +  - ]
    1078                 :         164 :                     continue;
    1079                 :             :                 }
    1080   [ #  #  #  # ]:           0 :                 const auto& tx_result = it->second;
    1081   [ #  #  #  # ]:           0 :                 switch(it->second.m_result_type) {
    1082                 :           0 :                 case MempoolAcceptResult::ResultType::DIFFERENT_WITNESS:
    1083   [ #  #  #  #  :           0 :                     result_inner.pushKV("other-wtxid", it->second.m_other_wtxid.value().GetHex());
          #  #  #  #  #  
                      # ]
    1084                 :           0 :                     break;
    1085                 :           0 :                 case MempoolAcceptResult::ResultType::INVALID:
    1086   [ #  #  #  #  :           0 :                     result_inner.pushKV("error", it->second.m_state.ToString());
             #  #  #  # ]
    1087                 :           0 :                     break;
    1088                 :           0 :                 case MempoolAcceptResult::ResultType::VALID:
    1089                 :           0 :                 case MempoolAcceptResult::ResultType::MEMPOOL_ENTRY:
    1090   [ #  #  #  #  :           0 :                     result_inner.pushKV("vsize", int64_t{it->second.m_vsize.value()});
             #  #  #  # ]
    1091                 :           0 :                     UniValue fees(UniValue::VOBJ);
    1092   [ #  #  #  #  :           0 :                     fees.pushKV("base", ValueFromAmount(it->second.m_base_fees.value()));
             #  #  #  # ]
    1093         [ #  # ]:           0 :                     if (tx_result.m_result_type == MempoolAcceptResult::ResultType::VALID) {
    1094                 :             :                         // Effective feerate is not provided for MEMPOOL_ENTRY transactions even
    1095                 :             :                         // though modified fees is known, because it is unknown whether package
    1096                 :             :                         // feerate was used when it was originally submitted.
    1097   [ #  #  #  #  :           0 :                         fees.pushKV("effective-feerate", ValueFromAmount(tx_result.m_effective_feerate.value().GetFeePerK()));
             #  #  #  # ]
    1098                 :           0 :                         UniValue effective_includes_res(UniValue::VARR);
    1099   [ #  #  #  # ]:           0 :                         for (const auto& wtxid : tx_result.m_wtxids_fee_calculations.value()) {
    1100   [ #  #  #  #  :           0 :                             effective_includes_res.push_back(wtxid.ToString());
                   #  # ]
    1101                 :             :                         }
    1102   [ #  #  #  # ]:           0 :                         fees.pushKV("effective-includes", std::move(effective_includes_res));
    1103                 :           0 :                     }
    1104   [ #  #  #  # ]:           0 :                     result_inner.pushKV("fees", std::move(fees));
    1105         [ #  # ]:           0 :                     for (const auto& ptx : it->second.m_replaced_transactions) {
    1106         [ #  # ]:           0 :                         replaced_txids.insert(ptx->GetHash());
    1107                 :             :                     }
    1108                 :           0 :                     break;
    1109                 :             :                 }
    1110   [ #  #  #  # ]:           0 :                 tx_result_map.pushKV(tx->GetWitnessHash().GetHex(), std::move(result_inner));
    1111                 :         164 :             }
    1112   [ +  -  +  - ]:          70 :             rpc_result.pushKV("tx-results", std::move(tx_result_map));
    1113                 :          70 :             UniValue replaced_list(UniValue::VARR);
    1114   [ -  -  -  -  :          35 :             for (const uint256& hash : replaced_txids) replaced_list.push_back(hash.ToString());
             -  -  -  + ]
    1115   [ +  -  +  - ]:          70 :             rpc_result.pushKV("replaced-transactions", std::move(replaced_list));
    1116                 :          70 :             return rpc_result;
    1117                 :         199 :         },
    1118   [ +  -  +  -  :        3982 :     };
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  +  +  
             +  -  -  -  
                      - ]
    1119   [ +  -  +  -  :        4344 : }
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
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          -  -  -  -  -  
             -  -  -  - ]
    1120                 :             : 
    1121                 :          25 : void RegisterMempoolRPCCommands(CRPCTable& t)
    1122                 :             : {
    1123                 :          25 :     static const CRPCCommand commands[]{
    1124                 :             :         {"rawtransactions", &sendrawtransaction},
    1125                 :             :         {"rawtransactions", &testmempoolaccept},
    1126                 :             :         {"blockchain", &getmempoolancestors},
    1127                 :             :         {"blockchain", &getmempooldescendants},
    1128                 :             :         {"blockchain", &getmempoolentry},
    1129                 :             :         {"blockchain", &gettxspendingprevout},
    1130                 :             :         {"blockchain", &getmempoolinfo},
    1131                 :             :         {"blockchain", &getrawmempool},
    1132                 :             :         {"blockchain", &importmempool},
    1133                 :             :         {"blockchain", &savemempool},
    1134                 :             :         {"hidden", &getorphantxs},
    1135                 :             :         {"rawtransactions", &submitpackage},
    1136   [ +  -  +  -  :          25 :     };
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
          -  +  -  +  -  
          +  -  +  -  +  
             -  +  -  -  
                      - ]
    1137         [ +  + ]:         325 :     for (const auto& c : commands) {
    1138                 :         300 :         t.appendCommand(c.name, &c);
    1139                 :             :     }
    1140                 :          25 : }
        

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