From 50e647210d513dab8f40ded61fe439ecaa9a67c3 Mon Sep 17 00:00:00 2001
From: Russell Yanofsky <russ@yanofsky.org>
Date: Fri, 8 Feb 2019 15:29:45 -0500
Subject: Move ParseConfirmTarget from rpc/mining to rpc/util

Util is a better home since it's called both by wallet and mining code.

Suggested https://github.com/bitcoin/bitcoin/pull/15288#discussion_r254449444
---
 src/rpc/util.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/rpc/util.cpp')

diff --git a/src/rpc/util.cpp b/src/rpc/util.cpp
index 4275cc09a..aa5076cd8 100644
--- a/src/rpc/util.cpp
+++ b/src/rpc/util.cpp
@@ -4,10 +4,12 @@
 
 #include <key_io.h>
 #include <keystore.h>
+#include <policy/fees.h>
 #include <rpc/protocol.h>
 #include <rpc/util.h>
 #include <tinyformat.h>
 #include <util/strencodings.h>
+#include <validation.h>
 
 InitInterfaces* g_rpc_interfaces = nullptr;
 
@@ -129,6 +131,16 @@ UniValue DescribeAddress(const CTxDestination& dest)
     return boost::apply_visitor(DescribeAddressVisitor(), dest);
 }
 
+unsigned int ParseConfirmTarget(const UniValue& value)
+{
+    int target = value.get_int();
+    unsigned int max_target = ::feeEstimator.HighestTargetTracked(FeeEstimateHorizon::LONG_HALFLIFE);
+    if (target < 1 || (unsigned int)target > max_target) {
+        throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid conf_target, must be between %u - %u", 1, max_target));
+    }
+    return (unsigned int)target;
+}
+
 struct Section {
     Section(const std::string& left, const std::string& right)
         : m_left{left}, m_right{right} {}
-- 
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