@ -93,9 +93,9 @@ namespace cryptonote
bool construct_tx_and_get_tx_key ( const account_keys & sender_account_keys , const std : : vector < tx_source_entry > & sources , const std : : vector < tx_destination_entry > & destinations , std : : vector < uint8_t > extra , transaction & tx , uint64_t unlock_time , crypto : : secret_key & tx_key , bool rct = false ) ;
template < typename T >
bool find_tx_extra_field_by_type ( const std : : vector < tx_extra_field > & tx_extra_fields , T & field )
bool find_tx_extra_field_by_type ( const std : : vector < tx_extra_field > & tx_extra_fields , T & field , size_t index = 0 )
{
auto it = std : : find_if ( tx_extra_fields . begin ( ) , tx_extra_fields . end ( ) , [ ] ( const tx_extra_field & f ) { return typeid ( T ) = = f . type ( ) ; } ) ;
auto it = std : : find_if ( tx_extra_fields . begin ( ) , tx_extra_fields . end ( ) , [ & index ] ( const tx_extra_field & f ) { return typeid ( T ) = = f . type ( ) & & ! index - - ; } ) ;
if ( tx_extra_fields . end ( ) = = it )
return false ;