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       1                 :             : // Copyright (c) 2009-2010 Satoshi Nakamoto
       2                 :             : // Copyright (c) 2009-present 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 <consensus/amount.h>
       7                 :             : #include <policy/feerate.h>
       8                 :             : #include <tinyformat.h>
       9                 :             : 
      10                 :             : 
      11         [ +  - ]:     1526023 : CFeeRate::CFeeRate(const CAmount& nFeePaid, int32_t virtual_bytes)
      12                 :             : {
      13         [ +  - ]:     1526023 :     if (virtual_bytes > 0) {
      14                 :     1526023 :         m_feerate = FeePerVSize(nFeePaid, virtual_bytes);
      15                 :             :     } else {
      16                 :           0 :         m_feerate = FeePerVSize();
      17                 :             :     }
      18                 :     1526023 : }
      19                 :             : 
      20                 :   100092794 : CAmount CFeeRate::GetFee(int32_t virtual_bytes) const
      21                 :             : {
      22         [ -  + ]:   100092794 :     Assume(virtual_bytes >= 0);
      23         [ +  + ]:   100092794 :     if (m_feerate.IsEmpty()) { return CAmount(0);}
      24                 :   100089986 :     CAmount nFee = CAmount(m_feerate.EvaluateFeeUp(virtual_bytes));
      25   [ +  +  +  + ]:   100089986 :     if (nFee == 0 && virtual_bytes != 0 && m_feerate.fee < 0) return CAmount(-1);
      26                 :             :     return nFee;
      27                 :             : }
      28                 :             : 
      29                 :        1721 : std::string CFeeRate::ToString(FeeRateFormat fee_rate_format) const
      30                 :             : {
      31                 :        1721 :     const CAmount feerate_per_kvb{GetFeePerK()};
      32      [ +  +  - ]:        1721 :     switch (fee_rate_format) {
      33                 :        1703 :     case FeeRateFormat::BTC_KVB: return strprintf("%d.%08d %s/kvB", feerate_per_kvb / COIN, feerate_per_kvb % COIN, CURRENCY_UNIT);
      34                 :          18 :     case FeeRateFormat::SAT_VB: return strprintf("%d.%03d %s/vB", feerate_per_kvb / 1000, feerate_per_kvb % 1000, CURRENCY_ATOM);
      35                 :             :     } // no default case, so the compiler can warn about missing cases
      36                 :           0 :     assert(false);
      37                 :             : }