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-rw-r--r--src/node/transaction.h24
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+// Copyright (c) 2017-2019 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_NODE_TRANSACTION_H
+#define BITCOIN_NODE_TRANSACTION_H
+
+#include <attributes.h>
+#include <primitives/transaction.h>
+#include <uint256.h>
+#include <util/error.h>
+
+/**
+ * Broadcast a transaction
+ *
+ * @param[in] tx the transaction to broadcast
+ * @param[out] &txid the txid of the transaction, if successfully broadcast
+ * @param[out] &err_string reference to std::string to fill with error string if available
+ * @param[in] highfee Reject txs with fees higher than this (if 0, accept any fee)
+ * return error
+ */
+NODISCARD TransactionError BroadcastTransaction(CTransactionRef tx, uint256& txid, std::string& err_string, const CAmount& highfee);
+
+#endif // BITCOIN_NODE_TRANSACTION_H