From 4b7091a842c2c3a76f4136cb0fdcf1c5904fd237 Mon Sep 17 00:00:00 2001
From: Marcin Jachymiak <marcin@bitcoinops.org>
Date: Wed, 8 Aug 2018 14:40:56 -0400
Subject: Replace median fee rate with feerate percentiles

Removes medianfeerate result from getblockstats.
Adds feerate_percentiles which give the feerate of the 10th, 25th, 50th,
75th, and 90th percentile weight unit in the block.
---
 src/rpc/blockchain.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/rpc/blockchain.h')

diff --git a/src/rpc/blockchain.h b/src/rpc/blockchain.h
index c664139ed3..544bc62c36 100644
--- a/src/rpc/blockchain.h
+++ b/src/rpc/blockchain.h
@@ -5,10 +5,16 @@
 #ifndef BITCOIN_RPC_BLOCKCHAIN_H
 #define BITCOIN_RPC_BLOCKCHAIN_H
 
+#include <vector>
+#include <stdint.h>
+#include <amount.h>
+
 class CBlock;
 class CBlockIndex;
 class UniValue;
 
+static constexpr int NUM_GETBLOCKSTATS_PERCENTILES = 5;
+
 /**
  * Get the difficulty of the net wrt to the given block index, or the chain tip if
  * not provided.
@@ -33,4 +39,7 @@ UniValue mempoolToJSON(bool fVerbose = false);
 /** Block header to JSON */
 UniValue blockheaderToJSON(const CBlockIndex* blockindex);
 
+/** Used by getblockstats to get feerates at different percentiles by weight  */
+void CalculatePercentilesByWeight(CAmount result[NUM_GETBLOCKSTATS_PERCENTILES], std::vector<std::pair<CAmount, int64_t>>& scores, int64_t total_weight);
+
 #endif
-- 
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