message: Add producer name to double-confirm assert
diff: @@ -155,7 +155,7 @@ namespace eosio { namespace chain {
  auto itr = producer_to_last_produced.find(h.producer);
  if( itr != producer_to_last_produced.end() ) {
  - FC_ASSERT( itr->second < result.block_num - h.confirmed, "producer double-confirming known range" );
  + FC_ASSERT( itr->second < result.block_num - h.confirmed, "producer ${prod} double-confirming known range", ("prod", h.producer) );
  }
  // FC_ASSERT( result.header.block_mroot == h.block_mroot, "mismatch block merkle root" );
  