D6045.diff
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	diff --git a/src/psbt.h b/src/psbt.h
	--- a/src/psbt.h
	+++ b/src/psbt.h
	@@ -330,6 +330,14 @@
	: tx(psbt_in.tx), inputs(psbt_in.inputs), outputs(psbt_in.outputs),
	unknown(psbt_in.unknown) {}
	explicit PartiallySignedTransaction(const CTransaction &txIn);
	+ /**
	+ * Finds the UTXO for a given input index
	+ *
	+ * @param[out] utxo The UTXO of the input if found
	+ * @param[in] input_index Index of the input to retrieve the UTXO of
	+ * @return Whether the UTXO for the specified input was found
	+ */
	+ bool GetInputUTXO(CTxOut &utxo, int input_index) const;

	PartiallySignedTransaction &
	operator=(const PartiallySignedTransaction &other) = default;
	diff --git a/src/psbt.cpp b/src/psbt.cpp
	--- a/src/psbt.cpp
	+++ b/src/psbt.cpp
	@@ -60,6 +60,17 @@
	return true;
	}

	+bool PartiallySignedTransaction::GetInputUTXO(CTxOut &utxo,
	+ int input_index) const {
	+ PSBTInput input = inputs[input_index];
	+ if (!input.utxo.IsNull()) {
	+ utxo = input.utxo;
	+ } else {
	+ return false;
	+ }
	+ return true;
	+}
	+
	bool PSBTInput::IsNull() const {
	return utxo.IsNull() && partial_sigs.empty() && unknown.empty() &&
	hd_keypaths.empty() && redeem_script.empty();