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Merge pull request #1358
7abfc54
wallet: fix exporting outputs and key images with txes with two pubkeys (moneromooo-monero)
This commit is contained in:
commit
a26b27f66e
2 changed files with 52 additions and 7 deletions
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@ -4714,6 +4714,53 @@ bool wallet2::verify(const std::string &data, const cryptonote::account_public_a
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return crypto::check_signature(hash, address.m_spend_public_key, s);
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return crypto::check_signature(hash, address.m_spend_public_key, s);
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}
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}
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//----------------------------------------------------------------------------------------------------
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//----------------------------------------------------------------------------------------------------
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crypto::public_key wallet2::get_tx_pub_key_from_received_outs(const tools::wallet2::transfer_details &td) const
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{
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std::vector<tx_extra_field> tx_extra_fields;
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if(!parse_tx_extra(td.m_tx.extra, tx_extra_fields))
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{
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// Extra may only be partially parsed, it's OK if tx_extra_fields contains public key
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}
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// Due to a previous bug, there might be more than one tx pubkey in extra, one being
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// the result of a previously discarded signature.
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// For speed, since scanning for outputs is a slow process, we check whether extra
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// contains more than one pubkey. If not, the first one is returned. If yes, they're
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// checked for whether they yield at least one output
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tx_extra_pub_key pub_key_field;
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THROW_WALLET_EXCEPTION_IF(!find_tx_extra_field_by_type(tx_extra_fields, pub_key_field, 0), error::wallet_internal_error,
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"Public key wasn't found in the transaction extra");
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const crypto::public_key tx_pub_key = pub_key_field.pub_key;
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bool two_found = find_tx_extra_field_by_type(tx_extra_fields, pub_key_field, 1);
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if (!two_found) {
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// easy case, just one found
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return tx_pub_key;
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}
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// more than one, loop and search
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const cryptonote::account_keys& keys = m_account.get_keys();
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size_t pk_index = 0;
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while (find_tx_extra_field_by_type(tx_extra_fields, pub_key_field, pk_index++)) {
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const crypto::public_key tx_pub_key = pub_key_field.pub_key;
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crypto::key_derivation derivation;
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generate_key_derivation(tx_pub_key, keys.m_view_secret_key, derivation);
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for (size_t i = 0; i < td.m_tx.vout.size(); ++i)
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{
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uint64_t money_transfered = 0;
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bool error = false, received = false;
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check_acc_out_precomp(keys.m_account_address.m_spend_public_key, td.m_tx.vout[i], derivation, i, received, money_transfered, error);
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if (!error && received)
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return tx_pub_key;
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}
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}
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// we found no key yielding an output
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THROW_WALLET_EXCEPTION_IF(true, error::wallet_internal_error,
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"Public key yielding at least one output wasn't found in the transaction extra");
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return cryptonote::null_pkey;
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}
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//----------------------------------------------------------------------------------------------------
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std::vector<std::pair<crypto::key_image, crypto::signature>> wallet2::export_key_images() const
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std::vector<std::pair<crypto::key_image, crypto::signature>> wallet2::export_key_images() const
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{
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{
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std::vector<std::pair<crypto::key_image, crypto::signature>> ski;
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std::vector<std::pair<crypto::key_image, crypto::signature>> ski;
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@ -4739,10 +4786,8 @@ std::vector<std::pair<crypto::key_image, crypto::signature>> wallet2::export_key
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{
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{
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// Extra may only be partially parsed, it's OK if tx_extra_fields contains public key
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// Extra may only be partially parsed, it's OK if tx_extra_fields contains public key
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}
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}
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tx_extra_pub_key pub_key_field;
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THROW_WALLET_EXCEPTION_IF(!find_tx_extra_field_by_type(tx_extra_fields, pub_key_field), error::wallet_internal_error,
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crypto::public_key tx_pub_key = get_tx_pub_key_from_received_outs(td);
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"Public key wasn't found in the transaction extra");
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crypto::public_key tx_pub_key = pub_key_field.pub_key;
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// generate ephemeral secret key
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// generate ephemeral secret key
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crypto::key_image ki;
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crypto::key_image ki;
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@ -4871,10 +4916,9 @@ size_t wallet2::import_outputs(const std::vector<tools::wallet2::transfer_detail
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THROW_WALLET_EXCEPTION_IF(td.m_tx.vout.empty(), error::wallet_internal_error, "tx with no outputs at index " + boost::lexical_cast<std::string>(i));
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THROW_WALLET_EXCEPTION_IF(td.m_tx.vout.empty(), error::wallet_internal_error, "tx with no outputs at index " + boost::lexical_cast<std::string>(i));
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THROW_WALLET_EXCEPTION_IF(!parse_tx_extra(td.m_tx.extra, tx_extra_fields), error::wallet_internal_error,
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THROW_WALLET_EXCEPTION_IF(!parse_tx_extra(td.m_tx.extra, tx_extra_fields), error::wallet_internal_error,
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"Transaction extra has unsupported format at index " + boost::lexical_cast<std::string>(i));
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"Transaction extra has unsupported format at index " + boost::lexical_cast<std::string>(i));
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THROW_WALLET_EXCEPTION_IF(!find_tx_extra_field_by_type(tx_extra_fields, pub_key_field), error::wallet_internal_error,
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crypto::public_key tx_pub_key = get_tx_pub_key_from_received_outs(td);
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"Public key wasn't found in the transaction extra at index " + boost::lexical_cast<std::string>(i));
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cryptonote::generate_key_image_helper(m_account.get_keys(), pub_key_field.pub_key, td.m_internal_output_index, in_ephemeral, td.m_key_image);
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cryptonote::generate_key_image_helper(m_account.get_keys(), tx_pub_key, td.m_internal_output_index, in_ephemeral, td.m_key_image);
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td.m_key_image_known = true;
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td.m_key_image_known = true;
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THROW_WALLET_EXCEPTION_IF(in_ephemeral.pub != boost::get<cryptonote::txout_to_key>(td.m_tx.vout[td.m_internal_output_index].target).key,
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THROW_WALLET_EXCEPTION_IF(in_ephemeral.pub != boost::get<cryptonote::txout_to_key>(td.m_tx.vout[td.m_internal_output_index].target).key,
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error::wallet_internal_error, "key_image generated ephemeral public key not matched with output_key at index " + boost::lexical_cast<std::string>(i));
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error::wallet_internal_error, "key_image generated ephemeral public key not matched with output_key at index " + boost::lexical_cast<std::string>(i));
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@ -591,6 +591,7 @@ namespace tools
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template<typename entry>
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template<typename entry>
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void get_outs(std::vector<std::vector<entry>> &outs, const std::list<size_t> &selected_transfers, size_t fake_outputs_count);
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void get_outs(std::vector<std::vector<entry>> &outs, const std::list<size_t> &selected_transfers, size_t fake_outputs_count);
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bool wallet_generate_key_image_helper(const cryptonote::account_keys& ack, const crypto::public_key& tx_public_key, size_t real_output_index, cryptonote::keypair& in_ephemeral, crypto::key_image& ki);
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bool wallet_generate_key_image_helper(const cryptonote::account_keys& ack, const crypto::public_key& tx_public_key, size_t real_output_index, cryptonote::keypair& in_ephemeral, crypto::key_image& ki);
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crypto::public_key get_tx_pub_key_from_received_outs(const tools::wallet2::transfer_details &td) const;
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cryptonote::account_base m_account;
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cryptonote::account_base m_account;
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std::string m_daemon_address;
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std::string m_daemon_address;
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