part of eos contract

part.cpp

// @abi_action
    void addheir(account_name testator, account_name heir) {
      auto header = "======== add_heir function ========";
      print(header, "\n" );

      heir_table_type heir_table( code_account, testator );

      eosio_assert(testator == _self, "you can't add heir to another person!");

      heir_table.emplace(testator, [&]( auto& h_rec ) {
        h_rec.pkey = heir_table.available_primary_key();
        h_rec.name = heir;
        h_rec.testator = testator;
        h_rec.share = 0;
        // h_rec.is_testator_dead = false;
      });
    }

    /*
        Claim that account_name is dead (run by one of the heirs)
    */
    // @abi_action
    void claimdead(account_name testator) {
      auto header = "======== claim_dead function ========";
      bool authorised = false;
      print(header, "\n" );

      heir_table_type heir_table( code_account, testator );

      auto testator_index = heir_table.template get_index<N(bytestator)>();
      auto testator_itr = testator_index.find(testator);
      eosio_assert(testator_itr == testator_index.end(), "is not registered as testator");

      while (testator_itr != testator_index.end() && testator_itr->testator == testator) {
        if (_self != testator_itr->name) {
          testator_itr++;
        }
        else {
          authorised = true;
        }
      }
      // Nobody but heirs has right to claim that testator is dead!
      eosio_assert(authorised == false, "run not by one of the heirs");
      
      heir_table.modify(testator_itr, 0, [&]( auto& h_rec ) {
        h_rec.is_testator_dead = true;
      });

      print(eosio::name{_self}, " claims that ", eosio::name{testator}, " is dead!");
}