summaryrefslogtreecommitdiff
path: root/src/exchangedb/0002-reserves_open_deposits.sql
blob: 776859df86ac13a060a7e33db4d9475adaf36271 (plain)
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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
--
-- This file is part of TALER
-- Copyright (C) 2014--2023 Taler Systems SA
--
-- TALER is free software; you can redistribute it and/or modify it under the
-- terms of the GNU General Public License as published by the Free Software
-- Foundation; either version 3, or (at your option) any later version.
--
-- TALER is distributed in the hope that it will be useful, but WITHOUT ANY
-- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
-- A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License along with
-- TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
--

CREATE FUNCTION create_table_reserves_open_deposits(
  IN partition_suffix TEXT DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
  table_name TEXT default 'reserves_open_deposits';
BEGIN
  PERFORM create_partitioned_table(
    'CREATE TABLE %I'
      '(reserve_open_deposit_uuid BIGINT GENERATED BY DEFAULT AS IDENTITY'
      ',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)'
      ',reserve_pub BYTEA NOT NULL CHECK (LENGTH(reserve_pub)=32)'
      ',coin_pub BYTEA NOT NULL CHECK (LENGTH(coin_pub)=32)'
      ',coin_sig BYTEA NOT NULL CHECK (LENGTH(coin_sig)=64)'
      ',contribution taler_amount NOT NULL'
    ') %s ;'
    ,table_name
    ,'PARTITION BY HASH (coin_pub)'
    ,partition_suffix
  );
  PERFORM comment_partitioned_table(
     'coin contributions paying for a reserve to remain open'
    ,table_name
    ,partition_suffix
  );
  PERFORM comment_partitioned_column(
     'Identifies the specific reserve being paid for (possibly together with reserve_sig).'
    ,'reserve_pub'
    ,table_name
    ,partition_suffix
  );
END
$$;


CREATE FUNCTION constrain_table_reserves_open_deposits(
  IN partition_suffix TEXT
)
RETURNS void
LANGUAGE plpgsql
AS $$
DECLARE
  table_name TEXT default 'reserves_open_deposits';
BEGIN
  table_name = concat_ws('_', table_name, partition_suffix);
  EXECUTE FORMAT (
    'ALTER TABLE ' || table_name || ' '
      'ADD CONSTRAINT ' || table_name || '_coin_unique '
        'PRIMARY KEY (coin_pub,coin_sig)'
  );
  EXECUTE FORMAT (
    'CREATE INDEX ' || table_name || '_by_uuid '
    'ON ' || table_name || ' '
    '(reserve_open_deposit_uuid);'
  );
  EXECUTE FORMAT (
    'CREATE INDEX ' || table_name || '_by_reserve '
    'ON ' || table_name || ' '
    '(reserve_pub);'
  );
END
$$;


CREATE OR REPLACE FUNCTION reserves_open_deposits_insert_trigger()
  RETURNS trigger
  LANGUAGE plpgsql
  AS $$
BEGIN
  INSERT INTO exchange.coin_history
    (coin_pub
    ,table_name
    ,serial_id)
 VALUES
     (NEW.coin_pub
    ,'reserves_open_deposits'
    ,NEW.reserve_open_deposit_uuid);
  RETURN NEW;
END $$;
COMMENT ON FUNCTION reserves_open_deposits_insert_trigger()
  IS 'Automatically generate coin history entry.';


CREATE FUNCTION master_table_reserves_open_deposits()
RETURNS VOID
LANGUAGE plpgsql
AS $$
BEGIN
  CREATE TRIGGER reserves_open_deposits_on_insert
    AFTER INSERT
     ON reserves_open_deposits
     FOR EACH ROW EXECUTE FUNCTION reserves_open_deposits_insert_trigger();
END $$;


INSERT INTO exchange_tables
    (name
    ,version
    ,action
    ,partitioned
    ,by_range)
  VALUES
    ('reserves_open_deposits'
    ,'exchange-0002'
    ,'create'
    ,TRUE
    ,FALSE),
    ('reserves_open_deposits'
    ,'exchange-0002'
    ,'constrain'
    ,TRUE
    ,FALSE),
    ('reserves_open_deposits'
    ,'exchange-0002'
    ,'master'
    ,TRUE
    ,FALSE);