List output types in an array in order to be iterated over

src/outputtype.cpp

@@ -19,6 +19,8 @@ static const std::string OUTPUT_TYPE_STRING_LEGACY = "legacy";
 static const std::string OUTPUT_TYPE_STRING_P2SH_SEGWIT = "p2sh-segwit";
 static const std::string OUTPUT_TYPE_STRING_BECH32 = "bech32";
 
+const std::array<OutputType, 3> OUTPUT_TYPES = {OutputType::LEGACY, OutputType::P2SH_SEGWIT, OutputType::BECH32};
+
 bool ParseOutputType(const std::string& type, OutputType& output_type)
 {
     if (type == OUTPUT_TYPE_STRING_LEGACY) {

src/outputtype.h

@@ -10,6 +10,7 @@
 #include <script/signingprovider.h>
 #include <script/standard.h>
 
+#include <array>
 #include <string>
 #include <vector>
 
@@ -27,6 +28,8 @@ enum class OutputType {
     CHANGE_AUTO,
 };
 
+extern const std::array<OutputType, 3> OUTPUT_TYPES;
+
 NODISCARD bool ParseOutputType(const std::string& str, OutputType& output_type);
 const std::string& FormatOutputType(OutputType type);
 
@@ -47,4 +50,3 @@ std::vector<CTxDestination> GetAllDestinationsForKey(const CPubKey& key);
 CTxDestination AddAndGetDestinationForScript(FillableSigningProvider& keystore, const CScript& script, OutputType);
 
 #endif // BITCOIN_OUTPUTTYPE_H
-