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

1 files changed, 12 insertions, 0 deletions

diff --git a/src/rpc/util.cpp b/src/rpc/util.cpp
index 4275cc09a8..aa5076cd8e 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} {}