From 8baf00e0c43ee0ba748cf34fc76c491799f42394 Mon Sep 17 00:00:00 2001
From: Luke Dashjr <luke-jr+git@utopios.org>
Date: Wed, 25 Nov 2020 01:09:17 +0000
Subject: [PATCH] core_io: Add ValueFromFeeRate helper

---
 src/core_io.h      | 2 ++
 src/core_write.cpp | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/src/core_io.h b/src/core_io.h
index 4405f5c8f8..fd33629db5 100644
--- a/src/core_io.h
+++ b/src/core_io.h
@@ -13,6 +13,7 @@
 
 class CBlock;
 class CBlockHeader;
+class CFeeRate;
 class CScript;
 class CTransaction;
 struct CMutableTransaction;
@@ -50,6 +51,7 @@ bool ParseHashStr(const std::string& strHex, uint256& result);
 
 // core_write.cpp
 UniValue ValueFromAmount(const CAmount amount);
+UniValue ValueFromFeeRate(const CFeeRate& fee_rate);
 std::string FormatScript(const CScript& script);
 std::string EncodeHexTx(const CTransaction& tx);
 std::string SighashToStr(unsigned char sighash_type);
diff --git a/src/core_write.cpp b/src/core_write.cpp
index 63f2c36b5a..7254ef760d 100644
--- a/src/core_write.cpp
+++ b/src/core_write.cpp
@@ -9,6 +9,7 @@
 #include <consensus/consensus.h>
 #include <consensus/validation.h>
 #include <key_io.h>
+#include <policy/feerate.h>
 #include <script/descriptor.h>
 #include <script/script.h>
 #include <script/solver.h>
@@ -36,6 +37,11 @@ UniValue ValueFromAmount(const CAmount amount)
             strprintf("%s%d.%08d", amount < 0 ? "-" : "", quotient, remainder));
 }
 
+UniValue ValueFromFeeRate(const CFeeRate& fee_rate)
+{
+    return UniValue(UniValue::VNUM, fee_rate.SatsToString());
+}
+
 std::string FormatScript(const CScript& script)
 {
     std::string ret;