akildemir
37594fe8fa
* return tx fixes * save change output for return tx * successfully receive returned tx * complete post-carrot return txs
193 lines
7.0 KiB
C++
193 lines
7.0 KiB
C++
// Copyright (c) 2024, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// A 'payment proposal' is a proposal to make an enote sending funds to a Carrot address.
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// Carrot: Cryptonote Address For Rerandomizable-RingCT-Output Transactions
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#pragma once
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//local headers
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#include "carrot_enote_types.h"
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#include "destination.h"
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#include "device.h"
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#include "ringct/rctTypes.h"
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#include "common/variant.h"
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//third party headers
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//standard headers
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#include <optional>
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//forward declarations
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namespace carrot
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{
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////
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// CarrotPaymentProposalV1
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// - for creating an output proposal to send an amount to someone
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///
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struct CarrotPaymentProposalV1 final
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{
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/// user address
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CarrotDestinationV1 destination;
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/// b
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rct::xmr_amount amount;
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/// asset type
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std::string asset_type;
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/// anchor_norm: secret 16-byte randomness for Janus anchor
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janus_anchor_t randomness;
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};
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////
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// CarrotPaymentProposalSelfSendV1
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// - for creating an output proposal to send an change to yourself
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///
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struct CarrotPaymentProposalSelfSendV1 final
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{
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/// one of our own address spend pubkeys: K^j_s
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crypto::public_key destination_address_spend_pubkey;
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/// a
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rct::xmr_amount amount;
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/// enote_type
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CarrotEnoteType enote_type;
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/// enote ephemeral pubkey: D_e
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std::optional<mx25519_pubkey> enote_ephemeral_pubkey;
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/// anchor: arbitrary, pre-encrypted message for _internal_ selfsends
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std::optional<janus_anchor_t> internal_message;
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};
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struct RCTOutputEnoteProposal
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{
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CarrotEnoteV1 enote;
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// we need this opening information to make amount range proofs
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rct::xmr_amount amount;
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crypto::secret_key amount_blinding_factor;
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};
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/// equality operators
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bool operator==(const CarrotPaymentProposalV1 &a, const CarrotPaymentProposalV1 &b);
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/// equality operators
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bool operator==(const CarrotPaymentProposalSelfSendV1 &a, const CarrotPaymentProposalSelfSendV1 &b);
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/**
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* brief: get_enote_ephemeral_privkey - get the proposal's enote ephemeral privkey d_e
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* param: proposal -
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* param: input_context -
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* return: d_e
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*/
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crypto::secret_key get_enote_ephemeral_privkey(const CarrotPaymentProposalV1 &proposal,
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const input_context_t &input_context);
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/**
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* brief: get_enote_ephemeral_pubkey - get the proposal's enote ephemeral pubkey D_e
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* param: proposal -
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* param: input_context -
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* return: D_e
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*/
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mx25519_pubkey get_enote_ephemeral_pubkey(const CarrotPaymentProposalV1 &proposal,
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const input_context_t &input_context);
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/**
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* brief: get_coinbase_output_proposal_v1 - convert the carrot proposal to a coinbase output proposal
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* param: proposal -
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* param: block_index - index of the coinbase tx's block
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* outparam: output_enote_out -
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* outparam: partial_memo_out -
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*/
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void get_coinbase_output_proposal_v1(const CarrotPaymentProposalV1 &proposal,
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const std::uint64_t block_index,
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CarrotCoinbaseEnoteV1 &output_enote_out);
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/**
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* brief: get_output_proposal_normal_v1 - convert the carrot proposal to an output proposal
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* param: proposal -
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* param: tx_first_key_image -
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* outparam: output_enote_out -
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* outparam: encrypted_payment_id_out - pid_enc
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*/
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void get_output_proposal_normal_v1(const CarrotPaymentProposalV1 &proposal,
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const crypto::key_image &tx_first_key_image,
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const view_incoming_key_device *k_view_dev,
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RCTOutputEnoteProposal &output_enote_out,
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encrypted_payment_id_t &encrypted_payment_id_out);
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/**
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* brief: get_output_proposal_return_v1 - convert the carrot proposal to an output proposal
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* param: proposal -
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* param: tx_first_key_image -
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* param: k_view_dev -
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* outparam: output_enote_out -
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* outparam: encrypted_payment_id_out - pid_enc
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*/
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void get_output_proposal_return_v1(const CarrotPaymentProposalV1 &proposal,
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const crypto::key_image &tx_first_key_image,
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const view_incoming_key_device *k_view_dev,
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RCTOutputEnoteProposal &output_enote_out,
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encrypted_payment_id_t &encrypted_payment_id_out);
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/**
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* brief: get_output_proposal_special_v1 - convert the carrot proposal to an output proposal (external selfsend)
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* param: proposal -
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* param: k_view_dev -
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* param: tx_first_key_image -
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* param: other_enote_ephemeral_pubkey -
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* outparam: output_enote_out -
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*/
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void get_output_proposal_special_v1(const CarrotPaymentProposalSelfSendV1 &proposal,
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const view_incoming_key_device &k_view_dev,
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const crypto::key_image &tx_first_key_image,
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const cryptonote::transaction_type tx_type,
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const std::optional<mx25519_pubkey> &other_enote_ephemeral_pubkey,
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RCTOutputEnoteProposal &return_enote_out,
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RCTOutputEnoteProposal &output_enote_out);
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/**
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* brief: get_output_proposal_internal_v1 - convert the carrot proposal to an output proposal (internal)
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* param: proposal -
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* param: s_view_balance_dev -
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* param: account_spend_pubkey -
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* param: tx_first_key_image -
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* param: other_enote_ephemeral_pubkey -
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* outparam: output_enote_out -
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*/
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void get_output_proposal_internal_v1(const CarrotPaymentProposalSelfSendV1 &proposal,
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const view_balance_secret_device &s_view_balance_dev,
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const crypto::key_image &tx_first_key_image,
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const std::optional<mx25519_pubkey> &other_enote_ephemeral_pubkey,
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RCTOutputEnoteProposal &output_enote_out);
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/**
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* brief: gen_jamtis_payment_proposal_v1 - generate a random proposal
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* param: is_subaddress - whether to generate a proposal to subaddress
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* param: has_payment_id - true to generate non-zero payment ID, false for null payment ID
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* param: amount -
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* return: a random proposal
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*/
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CarrotPaymentProposalV1 gen_carrot_payment_proposal_v1(const bool is_subaddress,
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const bool has_payment_id,
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const rct::xmr_amount amount);
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} //namespace carrot
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