1 files changed, 14 insertions, 0 deletions
diff --git a/src/interfaces/chain.cpp b/src/interfaces/chain.cpp
index c12215cd60..f888606879 100644
--- a/src/interfaces/chain.cpp
+++ b/src/interfaces/chain.cpp
@@ -6,6 +6,8 @@
 
 #include <chain.h>
 #include <chainparams.h>
+#include <policy/fees.h>
+#include <policy/policy.h>
 #include <policy/rbf.h>
 #include <primitives/block.h>
 #include <sync.h>
@@ -214,6 +216,18 @@ public:
         return ::mempool.CalculateMemPoolAncestors(entry, ancestors, limit_ancestor_count, limit_ancestor_size,
             limit_descendant_count, limit_descendant_size, unused_error_string);
     }
+    CFeeRate estimateSmartFee(int num_blocks, bool conservative, FeeCalculation* calc) override
+    {
+        return ::feeEstimator.estimateSmartFee(num_blocks, calc, conservative);
+    }
+    unsigned int estimateMaxBlocks() override
+    {
+        return ::feeEstimator.HighestTargetTracked(FeeEstimateHorizon::LONG_HALFLIFE);
+    }
+    CFeeRate mempoolMinFee() override
+    {
+        return ::mempool.GetMinFee(gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000);
+    }
 };
 
 } // namespace