message.h

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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2020 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_UTIL_MESSAGE_H
#define BITCOIN_UTIL_MESSAGE_H
 
#include <key.h> // For CKey
#include <uint256.h>
 
#include <string>
 
extern const std::string MESSAGE_MAGIC;
 
enum class MessageVerificationResult {
    ERR_INVALID_ADDRESS,
 
    ERR_ADDRESS_NO_KEY,
 
    ERR_MALFORMED_SIGNATURE,
 
    ERR_PUBKEY_NOT_RECOVERED,
 
    ERR_NOT_SIGNED,
 
    OK
};
 
enum class SigningResult {
    OK, 
    PRIVATE_KEY_NOT_AVAILABLE,
    SIGNING_FAILED,
};
 
MessageVerificationResult MessageVerify(
    const std::string& address,
    const std::string& signature,
    const std::string& message);
 
bool MessageSign(
    const CKey& privkey,
    const std::string& message,
    std::string& signature);
 
uint256 MessageHash(const std::string& message);
 
std::string SigningResultString(const SigningResult res);
 
#endif // BITCOIN_UTIL_MESSAGE_H