diff options
Diffstat (limited to 'src/wallet/wallet2.cpp')
| -rw-r--r-- | src/wallet/wallet2.cpp | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp index d56c80105..02a067986 100644 --- a/src/wallet/wallet2.cpp +++ b/src/wallet/wallet2.cpp @@ -1523,6 +1523,18 @@ void wallet2::add_subaddress(uint32_t index_major, const std::string& label) m_subaddress_labels[index_major][index_minor] = label; } //---------------------------------------------------------------------------------------------------- +bool wallet2::should_expand(const cryptonote::subaddress_index &index) const +{ + const uint32_t last_major = m_subaddress_labels.size() - 1 > (std::numeric_limits<uint32_t>::max() - m_subaddress_lookahead_major) ? std::numeric_limits<uint32_t>::max() : (m_subaddress_labels.size() + m_subaddress_lookahead_major - 1); + if (index.major > last_major) + return false; + const size_t nsub = index.major < m_subaddress_labels.size() ? m_subaddress_labels[index.major].size() : 0; + const uint32_t last_minor = nsub - 1 > (std::numeric_limits<uint32_t>::max() - m_subaddress_lookahead_minor) ? std::numeric_limits<uint32_t>::max() : (nsub + m_subaddress_lookahead_minor - 1); + if (index.minor > last_minor) + return false; + return true; +} +//---------------------------------------------------------------------------------------------------- void wallet2::expand_subaddresses(const cryptonote::subaddress_index& index) { hw::device &hwdev = m_account.get_device(); @@ -2108,7 +2120,7 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote td.m_amount = amount; td.m_pk_index = pk_index - 1; td.m_subaddr_index = tx_scan_info[o].received->index; - if (tx_scan_info[o].received->index.major < m_subaddress_labels.size() && tx_scan_info[o].received->index.minor < m_subaddress_labels[tx_scan_info[o].received->index.major].size()) + if (should_expand(tx_scan_info[o].received->index)) expand_subaddresses(tx_scan_info[o].received->index); if (tx.vout[o].amount == 0) { @@ -2187,7 +2199,7 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote td.m_amount = amount; td.m_pk_index = pk_index - 1; td.m_subaddr_index = tx_scan_info[o].received->index; - if (tx_scan_info[o].received->index.major < m_subaddress_labels.size() && tx_scan_info[o].received->index.minor < m_subaddress_labels[tx_scan_info[o].received->index.major].size()) + if (should_expand(tx_scan_info[o].received->index)) expand_subaddresses(tx_scan_info[o].received->index); if (tx.vout[o].amount == 0) { @@ -12772,7 +12784,7 @@ process: const crypto::public_key& out_key = boost::get<cryptonote::txout_to_key>(td.m_tx.vout[td.m_internal_output_index].target).key; bool r = cryptonote::generate_key_image_helper(m_account.get_keys(), m_subaddresses, out_key, tx_pub_key, additional_tx_pub_keys, td.m_internal_output_index, in_ephemeral, td.m_key_image, m_account.get_device()); THROW_WALLET_EXCEPTION_IF(!r, error::wallet_internal_error, "Failed to generate key image"); - if (td.m_subaddr_index.major < m_subaddress_labels.size() && td.m_subaddr_index.minor < m_subaddress_labels[td.m_subaddr_index.major].size()) + if (should_expand(td.m_subaddr_index)) expand_subaddresses(td.m_subaddr_index); td.m_key_image_known = true; td.m_key_image_request = true; |