[rpc] Move DescribeAddressVisitor to rpc/util

1 files changed, 61 insertions, 0 deletions

diff --git a/src/rpc/util.cpp b/src/rpc/util.cpp
index 09ded4e46e..cdcb68d15f 100644
--- a/src/rpc/util.cpp
+++ b/src/rpc/util.cpp
@@ -66,3 +66,64 @@ CScript CreateMultisigRedeemscript(const int required, const std::vector<CPubKey
 
     return result;
 }
+
+class DescribeAddressVisitor : public boost::static_visitor<UniValue>
+{
+public:
+    explicit DescribeAddressVisitor() {}
+
+    UniValue operator()(const CNoDestination& dest) const
+    {
+        return UniValue(UniValue::VOBJ);
+    }
+
+    UniValue operator()(const CKeyID& keyID) const
+    {
+        UniValue obj(UniValue::VOBJ);
+        obj.pushKV("isscript", false);
+        obj.pushKV("iswitness", false);
+        return obj;
+    }
+
+    UniValue operator()(const CScriptID& scriptID) const
+    {
+        UniValue obj(UniValue::VOBJ);
+        obj.pushKV("isscript", true);
+        obj.pushKV("iswitness", false);
+        return obj;
+    }
+
+    UniValue operator()(const WitnessV0KeyHash& id) const
+    {
+        UniValue obj(UniValue::VOBJ);
+        obj.pushKV("isscript", false);
+        obj.pushKV("iswitness", true);
+        obj.pushKV("witness_version", 0);
+        obj.pushKV("witness_program", HexStr(id.begin(), id.end()));
+        return obj;
+    }
+
+    UniValue operator()(const WitnessV0ScriptHash& id) const
+    {
+        UniValue obj(UniValue::VOBJ);
+        obj.pushKV("isscript", true);
+        obj.pushKV("iswitness", true);
+        obj.pushKV("witness_version", 0);
+        obj.pushKV("witness_program", HexStr(id.begin(), id.end()));
+        return obj;
+    }
+
+    UniValue operator()(const WitnessUnknown& id) const
+    {
+        UniValue obj(UniValue::VOBJ);
+        obj.pushKV("iswitness", true);
+        obj.pushKV("witness_version", (int)id.version);
+        obj.pushKV("witness_program", HexStr(id.program, id.program + id.length));
+        return obj;
+    }
+};
+
+UniValue DescribeAddress(const CTxDestination& dest)
+{
+    return boost::apply_visitor(DescribeAddressVisitor(), dest);
+}