Add IsSingleType to Descriptors

IsSingleType will return whether the descriptor will give one or multiple scriptPubKeys

1 files changed, 3 insertions, 0 deletions

diff --git a/src/script/descriptor.h b/src/script/descriptor.h
index 69850eb670..17b43e7c81 100644
--- a/src/script/descriptor.h
+++ b/src/script/descriptor.h
@@ -87,6 +87,9 @@ struct Descriptor {
     /** Convert the descriptor back to a string, undoing parsing. */
     virtual std::string ToString() const = 0;
 
+    /** Whether this descriptor will return one scriptPubKey or multiple (aka is or is not combo) */
+    virtual bool IsSingleType() const = 0;
+
     /** Convert the descriptor to a private string. This fails if the provided provider does not have the relevant private keys. */
     virtual bool ToPrivateString(const SigningProvider& provider, std::string& out) const = 0;