Branch data     Line data    Source code

       1                 :            : // Copyright (c) 2022 The Bitcoin Core developers
       2                 :            : // Distributed under the MIT software license, see the accompanying
       3                 :            : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4                 :            : 
       5                 :            : #include <node/mempool_args.h>
       6                 :            : 
       7                 :            : #include <kernel/mempool_limits.h>
       8                 :            : #include <kernel/mempool_options.h>
       9                 :            : 
      10                 :            : #include <common/args.h>
      11                 :            : #include <consensus/amount.h>
      12                 :            : #include <kernel/chainparams.h>
      13                 :            : #include <logging.h>
      14                 :            : #include <policy/feerate.h>
      15                 :            : #include <policy/policy.h>
      16                 :            : #include <tinyformat.h>
      17         [ +  - ]:          2 : #include <util/error.h>
      18         [ +  - ]:          2 : #include <util/moneystr.h>
      19                 :            : #include <util/translation.h>
      20                 :            : 
      21                 :            : #include <chrono>
      22                 :            : #include <memory>
      23                 :            : 
      24                 :            : using kernel::MemPoolLimits;
      25                 :            : using kernel::MemPoolOptions;
      26                 :            : 
      27                 :            : namespace {
      28                 :          1 : void ApplyArgsManOptions(const ArgsManager& argsman, MemPoolLimits& mempool_limits)
      29                 :            : {
      30 [ +  - ][ +  - ]:          1 :     mempool_limits.ancestor_count = argsman.GetIntArg("-limitancestorcount", mempool_limits.ancestor_count);
      31                 :            : 
      32 [ +  - ][ +  - ]:          1 :     if (auto vkb = argsman.GetIntArg("-limitancestorsize")) mempool_limits.ancestor_size_vbytes = *vkb * 1'000;
                 [ +  - ]
      33                 :            : 
      34 [ +  - ][ +  - ]:          1 :     mempool_limits.descendant_count = argsman.GetIntArg("-limitdescendantcount", mempool_limits.descendant_count);
      35                 :            : 
      36 [ +  - ][ +  - ]:          1 :     if (auto vkb = argsman.GetIntArg("-limitdescendantsize")) mempool_limits.descendant_size_vbytes = *vkb * 1'000;
                 [ +  - ]
      37                 :          1 : }
      38                 :            : }
      39                 :            : 
      40                 :          1 : util::Result<void> ApplyArgsManOptions(const ArgsManager& argsman, const CChainParams& chainparams, MemPoolOptions& mempool_opts)
      41                 :            : {
      42 [ +  - ][ +  - ]:          1 :     mempool_opts.check_ratio = argsman.GetIntArg("-checkmempool", mempool_opts.check_ratio);
      43                 :            : 
      44 [ +  - ][ +  - ]:          1 :     if (auto mb = argsman.GetIntArg("-maxmempool")) mempool_opts.max_size_bytes = *mb * 1'000'000;
                 [ +  - ]
      45                 :            : 
      46 [ +  - ][ +  - ]:          1 :     if (auto hours = argsman.GetIntArg("-mempoolexpiry")) mempool_opts.expiry = std::chrono::hours{*hours};
                 [ +  - ]
      47                 :            : 
      48                 :            :     // incremental relay fee sets the minimum feerate increase necessary for replacement in the mempool
      49                 :            :     // and the amount the mempool min fee increases above the feerate of txs evicted due to mempool limiting.
      50 [ +  - ][ +  - ]:          1 :     if (argsman.IsArgSet("-incrementalrelayfee")) {
                 [ +  - ]
      51 [ #  # ][ #  # ]:          0 :         if (std::optional<CAmount> inc_relay_fee = ParseMoney(argsman.GetArg("-incrementalrelayfee", ""))) {
         [ #  # ][ #  # ]
                 [ #  # ]
      52                 :          0 :             mempool_opts.incremental_relay_feerate = CFeeRate{inc_relay_fee.value()};
      53                 :          0 :         } else {
      54 [ #  # ][ #  # ]:          0 :             return util::Error{AmountErrMsg("incrementalrelayfee", argsman.GetArg("-incrementalrelayfee", ""))};
         [ #  # ][ #  # ]
         [ #  # ][ #  # ]
      55                 :            :         }
      56                 :          0 :     }
      57                 :            : 
      58 [ +  - ][ +  - ]:          1 :     if (argsman.IsArgSet("-minrelaytxfee")) {
                 [ -  + ]
      59 [ #  # ][ #  # ]:          0 :         if (std::optional<CAmount> min_relay_feerate = ParseMoney(argsman.GetArg("-minrelaytxfee", ""))) {
         [ #  # ][ #  # ]
                 [ #  # ]
      60                 :            :             // High fee check is done afterward in CWallet::Create()
      61                 :          0 :             mempool_opts.min_relay_feerate = CFeeRate{min_relay_feerate.value()};
      62                 :          0 :         } else {
      63 [ #  # ][ #  # ]:          0 :             return util::Error{AmountErrMsg("minrelaytxfee", argsman.GetArg("-minrelaytxfee", ""))};
         [ #  # ][ #  # ]
         [ #  # ][ #  # ]
      64                 :            :         }
      65         [ +  - ]:          1 :     } else if (mempool_opts.incremental_relay_feerate > mempool_opts.min_relay_feerate) {
      66                 :            :         // Allow only setting incremental fee to control both
      67                 :          0 :         mempool_opts.min_relay_feerate = mempool_opts.incremental_relay_feerate;
      68 [ #  # ][ #  # ]:          0 :         LogPrintf("Increasing minrelaytxfee to %s to match incrementalrelayfee\n", mempool_opts.min_relay_feerate.ToString());
         [ #  # ][ #  # ]
      69                 :          0 :     }
      70                 :            : 
      71                 :            :     // Feerate used to define dust.  Shouldn't be changed lightly as old
      72                 :            :     // implementations may inadvertently create non-standard transactions
      73 [ +  - ][ +  - ]:          1 :     if (argsman.IsArgSet("-dustrelayfee")) {
                 [ +  - ]
      74 [ #  # ][ #  # ]:          0 :         if (std::optional<CAmount> parsed = ParseMoney(argsman.GetArg("-dustrelayfee", ""))) {
         [ #  # ][ #  # ]
                 [ #  # ]
      75                 :          0 :             mempool_opts.dust_relay_feerate = CFeeRate{parsed.value()};
      76                 :          0 :         } else {
      77 [ #  # ][ #  # ]:          0 :             return util::Error{AmountErrMsg("dustrelayfee", argsman.GetArg("-dustrelayfee", ""))};
         [ #  # ][ #  # ]
         [ #  # ][ #  # ]
      78                 :            :         }
      79                 :          0 :     }
      80                 :            : 
      81 [ +  - ][ +  - ]:          1 :     mempool_opts.permit_bare_multisig = argsman.GetBoolArg("-permitbaremultisig", DEFAULT_PERMIT_BAREMULTISIG);
      82                 :            : 
      83 [ +  - ][ +  - ]:          1 :     if (argsman.GetBoolArg("-datacarrier", DEFAULT_ACCEPT_DATACARRIER)) {
                 [ +  - ]
      84 [ +  - ][ +  - ]:          1 :         mempool_opts.max_datacarrier_bytes = argsman.GetIntArg("-datacarriersize", MAX_OP_RETURN_RELAY);
      85                 :          1 :     } else {
      86                 :          0 :         mempool_opts.max_datacarrier_bytes = std::nullopt;
      87                 :            :     }
      88                 :            : 
      89 [ +  - ][ +  - ]:          1 :     mempool_opts.require_standard = !argsman.GetBoolArg("-acceptnonstdtxn", DEFAULT_ACCEPT_NON_STD_TXN);
      90 [ -  + ][ #  # ]:          1 :     if (!chainparams.IsTestChain() && !mempool_opts.require_standard) {
      91 [ #  # ][ #  # ]:          0 :         return util::Error{strprintf(Untranslated("acceptnonstdtxn is not currently supported for %s chain"), chainparams.GetChainTypeString())};
         [ #  # ][ #  # ]
                 [ #  # ]
      92                 :            :     }
      93                 :            : 
      94 [ +  - ][ +  - ]:          1 :     mempool_opts.full_rbf = argsman.GetBoolArg("-mempoolfullrbf", mempool_opts.full_rbf);
      95                 :            : 
      96                 :          1 :     ApplyArgsManOptions(argsman, mempool_opts.limits);
      97                 :            : 
      98                 :          1 :     return {};
      99                 :          1 : }