fees.cpp raw

   1  // Copyright (c) 2020-present 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 <common/messages.h>
   6  #include <consensus/amount.h>
   7  #include <policy/fees/block_policy_estimator.h>
   8  #include <test/fuzz/FuzzedDataProvider.h>
   9  #include <test/fuzz/fuzz.h>
  10  #include <test/fuzz/util.h>
  11  
  12  #include <cstdint>
  13  #include <string>
  14  #include <vector>
  15  
  16  using common::StringForFeeReason;
  17  
  18  FUZZ_TARGET(fees)
  19  {
  20      FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
  21      const CFeeRate minimal_incremental_fee{ConsumeMoney(fuzzed_data_provider)};
  22      FastRandomContext rng{/*fDeterministic=*/true};
  23      FeeFilterRounder fee_filter_rounder{minimal_incremental_fee, rng};
  24      LIMITED_WHILE(fuzzed_data_provider.ConsumeBool(), 10000) {
  25          const CAmount current_minimum_fee = ConsumeMoney(fuzzed_data_provider);
  26          const CAmount rounded_fee = fee_filter_rounder.round(current_minimum_fee);
  27          assert(MoneyRange(rounded_fee));
  28      }
  29      const FeeReason fee_reason = fuzzed_data_provider.PickValueInArray({FeeReason::NONE, FeeReason::HALF_ESTIMATE, FeeReason::FULL_ESTIMATE, FeeReason::DOUBLE_ESTIMATE, FeeReason::CONSERVATIVE, FeeReason::MEMPOOL_MIN, FeeReason::FALLBACK, FeeReason::REQUIRED});
  30      (void)StringForFeeReason(fee_reason);
  31  }
  32