1 files changed, 54 insertions, 0 deletions
diff --git a/src/outputtype.h b/src/outputtype.h
new file mode 100644
index 0000000000..c59262591b
--- /dev/null
+++ b/src/outputtype.h
@@ -0,0 +1,54 @@
+// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2009-2021 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_OUTPUTTYPE_H
+#define BITCOIN_OUTPUTTYPE_H
+
+#include <script/signingprovider.h>
+#include <script/standard.h>
+
+#include <array>
+#include <optional>
+#include <string>
+#include <vector>
+
+enum class OutputType {
+    LEGACY,
+    P2SH_SEGWIT,
+    BECH32,
+    BECH32M,
+    UNKNOWN,
+};
+
+static constexpr auto OUTPUT_TYPES = std::array{
+    OutputType::LEGACY,
+    OutputType::P2SH_SEGWIT,
+    OutputType::BECH32,
+    OutputType::BECH32M,
+};
+
+std::optional<OutputType> ParseOutputType(const std::string& str);
+const std::string& FormatOutputType(OutputType type);
+
+/**
+ * Get a destination of the requested type (if possible) to the specified key.
+ * The caller must make sure LearnRelatedScripts has been called beforehand.
+ */
+CTxDestination GetDestinationForKey(const CPubKey& key, OutputType);
+
+/** Get all destinations (potentially) supported by the wallet for the given key. */
+std::vector<CTxDestination> GetAllDestinationsForKey(const CPubKey& key);
+
+/**
+ * Get a destination of the requested type (if possible) to the specified script.
+ * This function will automatically add the script (and any other
+ * necessary scripts) to the keystore.
+ */
+CTxDestination AddAndGetDestinationForScript(FillableSigningProvider& keystore, const CScript& script, OutputType);
+
+/** Get the OutputType for a CTxDestination */
+std::optional<OutputType> OutputTypeFromDestination(const CTxDestination& dest);
+
+#endif // BITCOIN_OUTPUTTYPE_H