aboutsummaryrefslogtreecommitdiff
path: root/src/exchangedb/0003-aml_history.sql
blob: d3650f6c6f0ee6d4533f0dc62ae312e39713aea9 (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
--
-- This file is part of TALER
-- Copyright (C) 2014--2022 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 OR REPLACE FUNCTION create_table_aml_history(
  IN partition_suffix VARCHAR DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
  table_name VARCHAR DEFAULT 'aml_history';
BEGIN
  PERFORM create_partitioned_table(
    'CREATE TABLE IF NOT EXISTS %I'
      '(aml_history_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
      ',h_payto BYTEA PRIMARY KEY CHECK (LENGTH(h_payto)=32)'
      ',new_threshold_val INT8 NOT NULL DEFAULT(0)'
      ',new_threshold_frac INT4 NOT NULL DEFAULT(0)'
      ',new_status INT4 NOT NULL DEFAULT(0)'
      ',decision_time INT8 NOT NULL DEFAULT(0)'
      ',justification VARCHAR NOT NULL'
      ',decider_pub BYTEA CHECK (LENGTH(decider_pub)=32)'
      ',decider_sig BYTEA CHECK (LENGTH(decider_sig)=64)'
    ') %s ;'
    ,table_name
    ,'PARTITION BY HASH (h_payto)'
    ,partition_suffix
  );
  PERFORM comment_partitioned_table(
     'AML decision history for a particular payment destination'
    ,table_name
    ,partition_suffix
  );
  PERFORM comment_partitioned_column(
     'hash of the payto://-URI this AML history is about'
    ,'h_payto'
    ,table_name
    ,partition_suffix
  );
  PERFORM comment_partitioned_column(
     'new monthly inbound transaction limit below which we are OK'
    ,'new_threshold_val'
    ,table_name
    ,partition_suffix
  );
  PERFORM comment_partitioned_column(
     '0 for all OK, 1 for AML decision required, 2 for account is frozen (prevents further transactions)'
    ,'new_status'
    ,table_name
    ,partition_suffix
  );
  PERFORM comment_partitioned_column(
     'when was the status changed'
    ,'decision_time'
    ,table_name
    ,partition_suffix
  );
  PERFORM comment_partitioned_column(
     'human-readable justification for the status change'
    ,'justification'
    ,table_name
    ,partition_suffix
  );
  PERFORM comment_partitioned_column(
     'Public key of the staff member who made the AML decision'
    ,'decider_pub'
    ,table_name
    ,partition_suffix
  );
  PERFORM comment_partitioned_column(
     'Signature key of the staff member affirming the AML decision; of type AML_DECISION'
    ,'decider_sig'
    ,table_name
    ,partition_suffix
  );
END $$;

COMMENT ON FUNCTION create_table_aml_history
  IS 'Creates the aml_history table';


CREATE OR REPLACE FUNCTION constrain_table_aml_history(
  IN partition_suffix VARCHAR
)
RETURNS void
LANGUAGE plpgsql
AS $$
DECLARE
  table_name VARCHAR DEFAULT 'aml_history';
BEGIN
  table_name = concat_ws('_', table_name, partition_suffix);
  EXECUTE FORMAT (
    'ALTER TABLE ' || table_name ||
      ' ADD CONSTRAINT ' || table_name || '_serial_key '
        'UNIQUE (aml_history_serial_id)'
  );
  EXECUTE FORMAT (
    'CREATE INDEX ' || table_name || '_main_index '
    'ON ' || table_name || ' '
    '(h_payto ASC, decision_time ASC);'
  );
END $$;


INSERT INTO exchange_tables
    (name
    ,version
    ,action
    ,partitioned
    ,by_range)
  VALUES
    ('aml_history'
    ,'exchange-0003'
    ,'create'
    ,TRUE
    ,FALSE),
    ('aml_history'
    ,'exchange-0003'
    ,'constrain'
    ,TRUE
    ,FALSE);