1 files changed, 11 insertions, 0 deletions
diff --git a/src/psbt.cpp b/src/psbt.cpp
index ef9781817a..10260740f0 100644
--- a/src/psbt.cpp
+++ b/src/psbt.cpp
@@ -214,6 +214,17 @@ bool PSBTInputSigned(const PSBTInput& input)
     return !input.final_script_sig.empty() || !input.final_script_witness.IsNull();
 }
 
+size_t CountPSBTUnsignedInputs(const PartiallySignedTransaction& psbt) {
+    size_t count = 0;
+    for (const auto& input : psbt.inputs) {
+        if (!PSBTInputSigned(input)) {
+            count++;
+        }
+    }
+
+    return count;
+}
+
 void UpdatePSBTOutput(const SigningProvider& provider, PartiallySignedTransaction& psbt, int index)
 {
     const CTxOut& out = psbt.tx->vout.at(index);