fees: add FeeModes doc helper function

1 files changed, 28 insertions, 10 deletions

diff --git a/src/util/fees.cpp b/src/util/fees.cpp
index b335bfa666..9a1cea1d4e 100644
--- a/src/util/fees.cpp
+++ b/src/util/fees.cpp
@@ -6,11 +6,16 @@
 #include <util/fees.h>
 
 #include <policy/fees.h>
+#include <util/strencodings.h>
+#include <util/string.h>
 
 #include <map>
 #include <string>
+#include <vector>
+#include <utility>
 
-std::string StringForFeeReason(FeeReason reason) {
+std::string StringForFeeReason(FeeReason reason)
+{
     static const std::map<FeeReason, std::string> fee_reason_strings = {
         {FeeReason::NONE, "None"},
         {FeeReason::HALF_ESTIMATE, "Half Target 60% Threshold"},
@@ -29,16 +34,29 @@ std::string StringForFeeReason(FeeReason reason) {
     return reason_string->second;
 }
 
-bool FeeModeFromString(const std::string& mode_string, FeeEstimateMode& fee_estimate_mode) {
-    static const std::map<std::string, FeeEstimateMode> fee_modes = {
-        {"UNSET", FeeEstimateMode::UNSET},
-        {"ECONOMICAL", FeeEstimateMode::ECONOMICAL},
-        {"CONSERVATIVE", FeeEstimateMode::CONSERVATIVE},
+const std::vector<std::pair<std::string, FeeEstimateMode>>& FeeModeMap()
+{
+    static const std::vector<std::pair<std::string, FeeEstimateMode>> FEE_MODES = {
+        {"unset", FeeEstimateMode::UNSET},
+        {"economical", FeeEstimateMode::ECONOMICAL},
+        {"conservative", FeeEstimateMode::CONSERVATIVE},
     };
-    auto mode = fee_modes.find(mode_string);
+    return FEE_MODES;
+}
 
-    if (mode == fee_modes.end()) return false;
+std::string FeeModes(const std::string& delimiter)
+{
+    return Join(FeeModeMap(), delimiter, [&](const std::pair<std::string, FeeEstimateMode>& i) { return i.first; });
+}
 
-    fee_estimate_mode = mode->second;
-    return true;
+bool FeeModeFromString(const std::string& mode_string, FeeEstimateMode& fee_estimate_mode)
+{
+    auto searchkey = ToUpper(mode_string);
+    for (const auto& pair : FeeModeMap()) {
+        if (ToUpper(pair.first) == searchkey) {
+            fee_estimate_mode = pair.second;
+            return true;
+        }
+    }
+    return false;
 }