policy: optional FeeEstimateMode param to CFeeRate::ToString

Author: kallewoof

src/policy/feerate.cpp

@@ -35,7 +35,10 @@ CAmount CFeeRate::GetFee(size_t nBytes_) const
     return nFee;
 }
 
-std::string CFeeRate::ToString() const
+std::string CFeeRate::ToString(const FeeEstimateMode& fee_estimate_mode) const
 {
-    return strprintf("%d.%08d %s/kB", nSatoshisPerK / COIN, nSatoshisPerK % COIN, CURRENCY_UNIT);
+    switch (fee_estimate_mode) {
+    case FeeEstimateMode::SAT_B:  return strprintf("%d.%03d %s/B", nSatoshisPerK / 1000, nSatoshisPerK % 1000, CURRENCY_ATOM);
+    default:                      return strprintf("%d.%08d %s/kB", nSatoshisPerK / COIN, nSatoshisPerK % COIN, CURRENCY_UNIT);
+    }
 }

src/policy/feerate.h

@@ -56,7 +56,7 @@ class CFeeRate
     friend bool operator>=(const CFeeRate& a, const CFeeRate& b) { return a.nSatoshisPerK >= b.nSatoshisPerK; }
     friend bool operator!=(const CFeeRate& a, const CFeeRate& b) { return a.nSatoshisPerK != b.nSatoshisPerK; }
     CFeeRate& operator+=(const CFeeRate& a) { nSatoshisPerK += a.nSatoshisPerK; return *this; }
-    std::string ToString() const;
+    std::string ToString(const FeeEstimateMode& fee_estimate_mode = FeeEstimateMode::BTC_KB) const;
 
     SERIALIZE_METHODS(CFeeRate, obj) { READWRITE(obj.nSatoshisPerK); }
 };