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Merge pull request #3171 

402c9eef cryptonote_tx_utils: fixed logic bug in get_destination_view_key_pub (stoffu)
This commit is contained in:
Riccardo Spagni 2018-02-16 14:19:10 +01:00
parent 04a676397f 402c9eef0e
commit a43be404c7
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GPG Key ID: 55432DF31CCD4FCD
2 changed files with 14 additions and 10 deletions
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22
src/cryptonote_core/cryptonote_tx_utils.cpp
View File

@ -172,20 +172,24 @@ namespace cryptonote
return true; return true;
} }
//--------------------------------------------------------------- //---------------------------------------------------------------
crypto::public_key get_destination_view_key_pub(const std::vector<tx_destination_entry> &destinations, const account_keys &sender_keys) crypto::public_key get_destination_view_key_pub(const std::vector<tx_destination_entry> &destinations, const boost::optional<cryptonote::account_public_address>& change_addr)
{ {
if (destinations.empty()) account_public_address addr = {null_pkey, null_pkey};
return null_pkey; size_t count = 0;
for (size_t n = 1; n < destinations.size(); ++n) for (const auto &i : destinations)
{ {
if (!memcmp(&destinations[n].addr, &sender_keys.m_account_address, sizeof(destinations[0].addr))) if (i.amount == 0)
continue; continue;
if (destinations[n].amount == 0) if (change_addr && i.addr == *change_addr)
continue; continue;
if (memcmp(&destinations[n].addr, &destinations[0].addr, sizeof(destinations[0].addr))) if (i.addr == addr)
continue;
if (count > 0)
return null_pkey; return null_pkey;
addr = i.addr;
++count;
} }
return destinations[0].addr.m_view_public_key; return addr.m_view_public_key;
} }
//--------------------------------------------------------------- //---------------------------------------------------------------
bool construct_tx_with_tx_key(const account_keys& sender_account_keys, const std::unordered_map<crypto::public_key, subaddress_index>& subaddresses, std::vector<tx_source_entry>& sources, const std::vector<tx_destination_entry>& destinations, const boost::optional<cryptonote::account_public_address>& change_addr, std::vector<uint8_t> extra, transaction& tx, uint64_t unlock_time, const crypto::secret_key &tx_key, const std::vector<crypto::secret_key> &additional_tx_keys, bool rct, bool bulletproof, rct::multisig_out *msout) bool construct_tx_with_tx_key(const account_keys& sender_account_keys, const std::unordered_map<crypto::public_key, subaddress_index>& subaddresses, std::vector<tx_source_entry>& sources, const std::vector<tx_destination_entry>& destinations, const boost::optional<cryptonote::account_public_address>& change_addr, std::vector<uint8_t> extra, transaction& tx, uint64_t unlock_time, const crypto::secret_key &tx_key, const std::vector<crypto::secret_key> &additional_tx_keys, bool rct, bool bulletproof, rct::multisig_out *msout)
@ -221,7 +225,7 @@ namespace cryptonote
if (get_encrypted_payment_id_from_tx_extra_nonce(extra_nonce.nonce, payment_id)) if (get_encrypted_payment_id_from_tx_extra_nonce(extra_nonce.nonce, payment_id))
{ {
LOG_PRINT_L2("Encrypting payment id " << payment_id); LOG_PRINT_L2("Encrypting payment id " << payment_id);
crypto::public_key view_key_pub = get_destination_view_key_pub(destinations, sender_account_keys); crypto::public_key view_key_pub = get_destination_view_key_pub(destinations, change_addr);
if (view_key_pub == null_pkey) if (view_key_pub == null_pkey)
{ {
LOG_ERROR("Destinations have to have exactly one output to support encrypted payment ids"); LOG_ERROR("Destinations have to have exactly one output to support encrypted payment ids");

2
src/cryptonote_core/cryptonote_tx_utils.h
View File

@ -88,7 +88,7 @@ namespace cryptonote
}; };
//--------------------------------------------------------------- //---------------------------------------------------------------
crypto::public_key get_destination_view_key_pub(const std::vector<tx_destination_entry> &destinations, const account_keys &sender_keys); crypto::public_key get_destination_view_key_pub(const std::vector<tx_destination_entry> &destinations, const boost::optional<cryptonote::account_public_address>& change_addr);
bool construct_tx(const account_keys& sender_account_keys, std::vector<tx_source_entry> &sources, const std::vector<tx_destination_entry>& destinations, const boost::optional<cryptonote::account_public_address>& change_addr, std::vector<uint8_t> extra, transaction& tx, uint64_t unlock_time); bool construct_tx(const account_keys& sender_account_keys, std::vector<tx_source_entry> &sources, const std::vector<tx_destination_entry>& destinations, const boost::optional<cryptonote::account_public_address>& change_addr, std::vector<uint8_t> extra, transaction& tx, uint64_t unlock_time);
bool construct_tx_with_tx_key(const account_keys& sender_account_keys, const std::unordered_map<crypto::public_key, subaddress_index>& subaddresses, std::vector<tx_source_entry>& sources, const std::vector<tx_destination_entry>& destinations, const boost::optional<cryptonote::account_public_address>& change_addr, std::vector<uint8_t> extra, transaction& tx, uint64_t unlock_time, const crypto::secret_key &tx_key, const std::vector<crypto::secret_key> &additional_tx_keys, bool rct = false, bool bulletproof = false, rct::multisig_out *msout = NULL); bool construct_tx_with_tx_key(const account_keys& sender_account_keys, const std::unordered_map<crypto::public_key, subaddress_index>& subaddresses, std::vector<tx_source_entry>& sources, const std::vector<tx_destination_entry>& destinations, const boost::optional<cryptonote::account_public_address>& change_addr, std::vector<uint8_t> extra, transaction& tx, uint64_t unlock_time, const crypto::secret_key &tx_key, const std::vector<crypto::secret_key> &additional_tx_keys, bool rct = false, bool bulletproof = false, rct::multisig_out *msout = NULL);
bool construct_tx_and_get_tx_key(const account_keys& sender_account_keys, const std::unordered_map<crypto::public_key, subaddress_index>& subaddresses, std::vector<tx_source_entry>& sources, const std::vector<tx_destination_entry>& destinations, const boost::optional<cryptonote::account_public_address>& change_addr, std::vector<uint8_t> extra, transaction& tx, uint64_t unlock_time, crypto::secret_key &tx_key, std::vector<crypto::secret_key> &additional_tx_keys, bool rct = false, bool bulletproof = false, rct::multisig_out *msout = NULL); bool construct_tx_and_get_tx_key(const account_keys& sender_account_keys, const std::unordered_map<crypto::public_key, subaddress_index>& subaddresses, std::vector<tx_source_entry>& sources, const std::vector<tx_destination_entry>& destinations, const boost::optional<cryptonote::account_public_address>& change_addr, std::vector<uint8_t> extra, transaction& tx, uint64_t unlock_time, crypto::secret_key &tx_key, std::vector<crypto::secret_key> &additional_tx_keys, bool rct = false, bool bulletproof = false, rct::multisig_out *msout = NULL);