producer.cpp

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#include <sysio/chain/webassembly/interface.hpp>
#include <sysio/chain/apply_context.hpp>
 
namespace sysio { namespace chain { namespace webassembly {
   int32_t interface::get_active_producers( legacy_span<account_name> producers ) const {
      auto active_producers = context.get_active_producers();
 
      size_t len = active_producers.size();
      auto s = len * sizeof(chain::account_name);
      if( producers.size_bytes() == 0 ) return s;
 
      auto copy_size = std::min( producers.size(), s );
      std::memcpy( producers.data(), active_producers.data(), copy_size );
 
      return copy_size;
   }
}}} // ns sysio::chain::webassembly