interface: remove unused estimateSmartFee method from node

Co-Authored-by: MarcoFalke <falke.marco@gmail.com>
Signed-off-by: Antoine Poinsot <darosior@protonmail.com>

src/interfaces/node.h

@@ -151,9 +151,6 @@ public:
     //! Get network active.
     virtual bool getNetworkActive() = 0;
 
-    //! Estimate smart fee.
-    virtual CFeeRate estimateSmartFee(int num_blocks, bool conservative, int* returned_target = nullptr) = 0;
-
     //! Get dust relay fee.
     virtual CFeeRate getDustRelayFee() = 0;
 

src/node/interfaces.cpp

@@ -221,15 +221,6 @@ public:
         }
     }
     bool getNetworkActive() override { return m_context->connman && m_context->connman->GetNetworkActive(); }
-    CFeeRate estimateSmartFee(int num_blocks, bool conservative, int* returned_target = nullptr) override
-    {
-        FeeCalculation fee_calc;
-        CFeeRate result = ::feeEstimator.estimateSmartFee(num_blocks, &fee_calc, conservative);
-        if (returned_target) {
-            *returned_target = fee_calc.returnedTarget;
-        }
-        return result;
-    }
     CFeeRate getDustRelayFee() override { return ::dustRelayFee; }
     UniValue executeRpc(const std::string& command, const UniValue& params, const std::string& uri) override
     {