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diff --git a/src/script/descriptor.h b/src/script/descriptor.h
--- a/src/script/descriptor.h
+++ b/src/script/descriptor.h
@@ -32,6 +32,13 @@
/** Whether the expansion of this descriptor depends on the position. */
virtual bool IsRange() const = 0;
+ /**
+ * Whether this descriptor has all information about signing ignoring lack
+ * of private keys. This is true for all descriptors except ones that use
+ * `raw` or `addr` constructions.
+ */
+ virtual bool IsSolvable() const = 0;
+
/** Convert the descriptor back to a string, undoing parsing. */
virtual std::string ToString() const = 0;
diff --git a/src/script/descriptor.cpp b/src/script/descriptor.cpp
--- a/src/script/descriptor.cpp
+++ b/src/script/descriptor.cpp
@@ -256,6 +256,7 @@
: m_destination(std::move(destination)) {}
bool IsRange() const override { return false; }
+ bool IsSolvable() const override { return false; }
std::string ToString() const override {
return "addr(" + EncodeDestination(m_destination, GetConfig()) + ")";
}
@@ -281,6 +282,7 @@
RawDescriptor(CScript script) : m_script(std::move(script)) {}
bool IsRange() const override { return false; }
+ bool IsSolvable() const override { return false; }
std::string ToString() const override {
return "raw(" + HexStr(m_script.begin(), m_script.end()) + ")";
}
@@ -310,6 +312,7 @@
: m_script_fn(fn), m_fn_name(name), m_provider(std::move(prov)) {}
bool IsRange() const override { return m_provider->IsRange(); }
+ bool IsSolvable() const override { return true; }
std::string ToString() const override {
return m_fn_name + "(" + m_provider->ToString() + ")";
}
@@ -363,6 +366,8 @@
return false;
}
+ bool IsSolvable() const override { return true; }
+
std::string ToString() const override {
std::string ret = strprintf("multi(%i", m_threshold);
for (const auto &p : m_providers) {
@@ -426,6 +431,7 @@
m_descriptor(std::move(descriptor)) {}
bool IsRange() const override { return m_descriptor->IsRange(); }
+ bool IsSolvable() const override { return m_descriptor->IsSolvable(); }
std::string ToString() const override {
return m_fn_name + "(" + m_descriptor->ToString() + ")";
}
@@ -468,6 +474,7 @@
: m_provider(std::move(provider)) {}
bool IsRange() const override { return m_provider->IsRange(); }
+ bool IsSolvable() const override { return true; }
std::string ToString() const override {
return "combo(" + m_provider->ToString() + ")";
}

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