78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
// Copyright (c) 2018 The Bitcoin Private developers
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// Copyright (c) 2016 The Zcash developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_ZCASH_NOTE_H
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#define BITCOIN_ZCASH_NOTE_H
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#include "uint256.h"
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#include "Zcash.h"
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#include "Address.hpp"
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#include "NoteEncryption.hpp"
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#include <array>
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namespace libzcash {
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class Note {
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public:
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uint256 a_pk;
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uint64_t value;
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uint256 rho;
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uint256 r;
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Note(uint256 a_pk, uint64_t value, uint256 rho, uint256 r)
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: a_pk(a_pk), value(value), rho(rho), r(r) {}
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Note();
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uint256 cm() const;
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uint256 nullifier(const SpendingKey& a_sk) const;
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};
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class NotePlaintext {
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public:
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uint64_t value = 0;
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uint256 rho;
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uint256 r;
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std::array<unsigned char, ZC_MEMO_SIZE> memo;
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NotePlaintext() {}
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NotePlaintext(const Note& note, std::array<unsigned char, ZC_MEMO_SIZE> memo);
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Note note(const PaymentAddress& addr) const;
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ADD_SERIALIZE_METHODS;
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template <typename Stream, typename Operation>
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inline void SerializationOp(Stream& s, Operation ser_action) {
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unsigned char leadingByte = 0x00;
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READWRITE(leadingByte);
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if (leadingByte != 0x00) {
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throw std::ios_base::failure("lead byte of NotePlaintext is not recognized");
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}
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READWRITE(value);
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READWRITE(rho);
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READWRITE(r);
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READWRITE(memo);
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}
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static NotePlaintext decrypt(const ZCNoteDecryption& decryptor,
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const ZCNoteDecryption::Ciphertext& ciphertext,
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const uint256& ephemeralKey,
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const uint256& h_sig,
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unsigned char nonce
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);
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ZCNoteEncryption::Ciphertext encrypt(ZCNoteEncryption& encryptor,
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const uint256& pk_enc
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) const;
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};
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}
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#endif // BITCOIN_ZCASH_NOTE_H
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