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// Copyright (c) 2021 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_INTERFACES_ECHO_H
#define BITCOIN_INTERFACES_ECHO_H
#include <memory>
#include <string>
namespace interfaces {
//! Simple string echoing interface for testing.
class Echo
{
public:
virtual ~Echo() = default;
//! Echo provided string.
virtual std::string echo(const std::string& echo) = 0;
};
//! Return implementation of Echo interface.
std::unique_ptr<Echo> MakeEcho();
} // namespace interfaces
#endif // BITCOIN_INTERFACES_ECHO_H
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