eosio/changevariable.cpp at main · Forbiddensequence/eosio · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
#include <eosio/eosio.hpp>

using namespace eosio;

class [[eosio::contract("test1")]] test1 : public eosio::contract {

public:

  test1(name receiver, name code,  datastream<const char*> ds): contract(receiver, code, ds) {}

  [[eosio::action]]
  void change(name user, uint64_t variable) {
    require_auth( user );

    address_index addresses( get_self(), get_first_receiver().value );

    auto iterator = addresses.find(user.value);

    check(iterator != addresses.end(), "Record does not exist");
    addresses.modify(iterator, user, [&]( auto& row ) {
        row.key = user;
        row.variable=variable;
      });

  }

  [[eosio::action]]
  void init(name user, uint64_t variable) {
    require_auth( user );

    address_index addresses( get_self(), get_first_receiver().value );

    auto iterator = addresses.find(user.value);

    addresses.emplace( user, [&]( auto& row ) {
        row.key = user;
        row.variable = variable;
      });

  }

  [[eosio::action]]
  void settozero(name user) {
    require_auth(user);

    address_index addresses( get_self(), get_first_receiver().value);

    auto iterator = addresses.find(user.value);
    check(iterator != addresses.end(), "Record does not exist");
    addresses.modify(iterator, user, [&]( auto& row ) {
        row.key = row.key;
        row.variable = 0;
      });
  }

private:
  struct [[eosio::table]] person {
    name key;
    uint64_t variable;
    uint64_t primary_key() const { return key.value; }
  };
  using address_index = eosio::multi_index<"people"_n, person>;
};