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+// Copyright (c) 2009-2018 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_WALLET_PSBTWALLET_H
+#define BITCOIN_WALLET_PSBTWALLET_H
+
+#include <node/transaction.h>
+#include <psbt.h>
+#include <primitives/transaction.h>
+#include <wallet/wallet.h>
+
+/**
+ * Fills out a PSBT with information from the wallet. Fills in UTXOs if we have
+ * them. Tries to sign if sign=true. Sets `complete` if the PSBT is now complete
+ * (i.e. has all required signatures or signature-parts, and is ready to
+ * finalize.) Sets `error` and returns false if something goes wrong.
+ *
+ * @param[in] pwallet pointer to a wallet
+ * @param[in] &psbtx reference to PartiallySignedTransaction to fill in
+ * @param[out] &error reference to UniValue to fill with error info on failure
+ * @param[out] &complete indicates whether the PSBT is now complete
+ * @param[in] sighash_type the sighash type to use when signing (if PSBT does not specify)
+ * @param[in] sign whether to sign or not
+ * @param[in] bip32derivs whether to fill in bip32 derivation information if available
+ * return true on success, false on error (and fills in `error`)
+ */
+bool FillPSBT(const CWallet* pwallet,
+ PartiallySignedTransaction& psbtx,
+ TransactionError& error,
+ bool& complete,
+ int sighash_type = 1 /* SIGHASH_ALL */,
+ bool sign = true,
+ bool bip32derivs = false);
+
+#endif // BITCOIN_WALLET_PSBTWALLET_H