balances.hpp

См. документацию.

 
struct balances_base {
  uint64_t id;          
  eosio::name contract; 
  eosio::asset quantity; 
  uint64_t primary_key() const { return id; } 
  uint128_t byconsym() const {
    return combine_ids(contract.value, quantity.symbol.code().raw());
  } 
};
 
typedef eosio::multi_index<"balances"_n, balances_base, eosio::indexed_by<"byconsym"_n, eosio::const_mem_fun<balances_base, uint128_t, &balances_base::byconsym>>> balances_index; 
// -----------------------------------------------------------------
// Таблица кошельков конкретных программ
// -----------------------------------------------------------------
struct [[eosio::table, eosio::contract(SOVIET)]] progwallet {
  uint64_t id; 
  eosio::name coopname; 
  uint64_t program_id; 
  uint64_t agreement_id; 
  eosio::name username; 
  eosio::asset available; 
  eosio::binary_extension<eosio::asset> blocked; 
  eosio::binary_extension<eosio::asset> membership_contribution; 
  
 
  uint64_t primary_key() const { return id; }
  uint64_t by_username() const { return username.value; } 
  uint64_t by_program() const { return program_id; } 
  uint64_t by_agreement() const { return agreement_id; } 
 
  uint128_t by_username_and_program() const {
    return combine_ids(username.value, program_id);
  } 
};
 
typedef eosio::multi_index<
  "progwallets"_n, 
  progwallet,
  eosio::indexed_by<"byusername"_n, eosio::const_mem_fun<progwallet, uint64_t, &progwallet::by_username>>,
  eosio::indexed_by<"byprogram"_n, eosio::const_mem_fun<progwallet, uint64_t, &progwallet::by_program>>,
  eosio::indexed_by<"byuserprog"_n, eosio::const_mem_fun<progwallet, uint128_t, &progwallet::by_username_and_program>>,
  eosio::indexed_by<"byagreement"_n, eosio::const_mem_fun<progwallet, uint64_t, &progwallet::by_agreement>>
> progwallets_index; 
progwallet get_user_program_wallet_or_fail(eosio::name coopname, eosio::name username, uint64_t program_id) {
  progwallets_index progwallets(_soviet, coopname.value);
  
  auto wallets_by_username_and_program = progwallets.template get_index<"byuserprog"_n>();
  auto username_and_program_index = combine_ids(username.value, program_id);
  auto wallet = wallets_by_username_and_program.find(username_and_program_index);
 
  eosio::check(wallet != wallets_by_username_and_program.end(), "Кошелёк не найден");
  
  return *wallet;
}