table_registrator_exits.hpp

См. документацию.

#pragma once
 
#include <optional>
 
#include <eosio/asset.hpp>
#include <eosio/crypto.hpp>
#include <eosio/eosio.hpp>
 
#include "../consts.hpp"
#include "document_core.hpp"
 
namespace Registrator {
 
using namespace eosio;
 
struct [[eosio::table, eosio::contract(REGISTRATOR)]] exit {
  name username;
  name coopname;
  name status;                  
  time_point_sec created_at;
  document2 statement;          
  document2 approved_statement; 
  checksum256 exit_hash;
  asset quantity;               
 
  uint64_t primary_key() const { return username.value; }
  checksum256 by_hash() const { return exit_hash; }
};
 
typedef multi_index<
    "exits"_n, exit,
    indexed_by<"byhash"_n, const_mem_fun<exit, checksum256, &exit::by_hash>>>
    exits_index;
 
inline std::optional<exit> get_exit_by_hash(name coopname, const checksum256 &hash) {
  exits_index primary_index(_registrator, coopname.value);
  auto secondary_index = primary_index.get_index<"byhash"_n>();
 
  auto itr = secondary_index.find(hash);
  if (itr == secondary_index.end()) {
    return std::nullopt;
  }
 
  return *itr;
}
 
} // namespace Registrator