exchange

Base system with REST service to issue digital coins, run by the payment service provider
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0002-legitimization_processes.sql (6770B)


      1 --
      2 -- This file is part of TALER
      3 -- Copyright (C) 2014--2022 Taler Systems SA
      4 --
      5 -- TALER is free software; you can redistribute it and/or modify it under the
      6 -- terms of the GNU General Public License as published by the Free Software
      7 -- Foundation; either version 3, or (at your option) any later version.
      8 --
      9 -- TALER is distributed in the hope that it will be useful, but WITHOUT ANY
     10 -- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
     11 -- A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
     12 --
     13 -- You should have received a copy of the GNU General Public License along with
     14 -- TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
     15 --
     16 
     17 CREATE FUNCTION create_table_legitimization_processes(
     18   IN shard_suffix TEXT DEFAULT NULL
     19 )
     20 RETURNS VOID
     21 LANGUAGE plpgsql
     22 AS $$
     23 BEGIN
     24   PERFORM create_partitioned_table(
     25     'CREATE TABLE %I'
     26       '(legitimization_process_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
     27       ',h_payto BYTEA NOT NULL CHECK (LENGTH(h_payto)=32)'
     28       ',start_time INT8 NOT NULL'
     29       ',expiration_time INT8 NOT NULL DEFAULT (0)'
     30       ',provider_name TEXT NOT NULL'
     31       ',provider_user_id TEXT DEFAULT NULL'
     32       ',provider_legitimization_id TEXT DEFAULT NULL'
     33       ',redirect_url TEXT DEFAULT NULL'
     34       ',finished BOOLEAN DEFAULT (FALSE)'
     35       ',legitimization_measure_serial_id BIGINT'
     36       ',measure_index INT4 DEFAULT(0)'
     37       ',error_code INT4 DEFAULT (0)'
     38       ',error_message TEXT DEFAULT NULL'
     39     ') %s ;'
     40     ,'legitimization_processes'
     41     ,'PARTITION BY HASH (h_payto)'
     42     ,shard_suffix
     43   );
     44   PERFORM comment_partitioned_table(
     45     'List of legitimization processes (ongoing and completed) by account and provider'
     46     ,'legitimization_processes'
     47     ,shard_suffix
     48   );
     49   PERFORM comment_partitioned_column(
     50      'unique ID for this legitimization process at the exchange'
     51     ,'legitimization_process_serial_id'
     52     ,'legitimization_processes'
     53     ,shard_suffix
     54   );
     55   PERFORM comment_partitioned_column(
     56      'hash over the normalized payto URI; foreign key linking the entry to the kyc_targets table, NOT a primary key (multiple legitimizations are possible per wire target)'
     57     ,'h_payto'
     58     ,'legitimization_processes'
     59     ,shard_suffix
     60   );
     61   PERFORM comment_partitioned_column(
     62      'time when the KYC check was initiated, useful for garbage collection (absolute time, not rounded)'
     63     ,'start_time'
     64     ,'legitimization_processes'
     65     ,shard_suffix
     66   );
     67   PERFORM comment_partitioned_column(
     68      'URL where the user should go to begin the KYC process'
     69     ,'redirect_url'
     70     ,'legitimization_processes'
     71     ,shard_suffix
     72   );
     73   PERFORM comment_partitioned_column(
     74      'in the future if the respective KYC check was passed successfully; an absolute time (not rounded)'
     75     ,'expiration_time'
     76     ,'legitimization_processes'
     77     ,shard_suffix
     78   );
     79   PERFORM comment_partitioned_column(
     80      'Configuration file section with details about this provider'
     81     ,'provider_name'
     82     ,'legitimization_processes'
     83     ,shard_suffix
     84   );
     85   PERFORM comment_partitioned_column(
     86      'Identifier for the user at the provider that was used for the legitimization. NULL if provider is unaware.'
     87     ,'provider_user_id'
     88     ,'legitimization_processes'
     89     ,shard_suffix
     90   );
     91   PERFORM comment_partitioned_column(
     92      'Identifier for the specific legitimization process at the provider. NULL if legitimization was not started.'
     93     ,'provider_legitimization_id'
     94     ,'legitimization_processes'
     95     ,shard_suffix
     96   );
     97   PERFORM comment_partitioned_column(
     98      'Set to TRUE when the specific legitimization process is finished.'
     99     ,'finished'
    100     ,'legitimization_processes'
    101     ,shard_suffix
    102   );
    103   PERFORM comment_partitioned_column(
    104      'measure that enabled this setup, NULL if client voluntarily initiated the process'
    105     ,'legitimization_measure_serial_id'
    106     ,'legitimization_processes'
    107     ,shard_suffix
    108   );
    109   PERFORM comment_partitioned_column(
    110      'index of the measure in legitimization_measures that was selected for this KYC setup; NULL if legitimization_measure_serial_id is NULL; enables determination of the context data provided to the external process'
    111     ,'measure_index'
    112     ,'legitimization_processes'
    113     ,shard_suffix
    114   );
    115   PERFORM comment_partitioned_column(
    116      'TALER_ErrorCode set if the process failed, otherwise NULL'
    117     ,'error_code'
    118     ,'legitimization_processes'
    119     ,shard_suffix
    120   );
    121   PERFORM comment_partitioned_column(
    122      'human-readable error details set if the process failed, otherwise NULL'
    123     ,'error_message'
    124     ,'legitimization_processes'
    125     ,shard_suffix
    126   );
    127 END
    128 $$;
    129 
    130 -- We need a separate function for this, as we call create_table only once but need to add
    131 -- those constraints to each partition which gets created
    132 CREATE FUNCTION constrain_table_legitimization_processes(
    133   IN partition_suffix TEXT
    134 )
    135 RETURNS void
    136 LANGUAGE plpgsql
    137 AS $$
    138 DECLARE
    139   partition_name TEXT;
    140 BEGIN
    141   partition_name = concat_ws('_', 'legitimization_processes', partition_suffix);
    142 
    143   EXECUTE FORMAT (
    144     'ALTER TABLE ' || partition_name
    145     || ' '
    146       'ADD CONSTRAINT ' || partition_name || '_serial_key '
    147         'UNIQUE (legitimization_process_serial_id)');
    148   EXECUTE FORMAT (
    149     'CREATE INDEX IF NOT EXISTS ' || partition_name || '_by_provider_and_legi_index '
    150         'ON '|| partition_name || ' '
    151         '(provider_name,provider_legitimization_id)'
    152   );
    153   EXECUTE FORMAT (
    154     'COMMENT ON INDEX ' || partition_name || '_by_provider_and_legi_index '
    155     'IS ' || quote_literal('used (rarely) in kyc_provider_account_lookup') || ';'
    156   );
    157 END
    158 $$;
    159 
    160 
    161 -- We need a separate function for this, as we call create_table only once but need to add
    162 -- those constraints to each partition which gets created
    163 CREATE FUNCTION foreign_table_legitimization_processes()
    164 RETURNS void
    165 LANGUAGE plpgsql
    166 AS $$
    167 DECLARE
    168   table_name TEXT DEFAULT 'legitimization_processes';
    169 BEGIN
    170   EXECUTE FORMAT (
    171     'ALTER TABLE ' || table_name ||
    172     ' ADD CONSTRAINT ' || table_name || '_foreign_key_legitimization_measure'
    173     ' FOREIGN KEY (legitimization_measure_serial_id)'
    174     ' REFERENCES legitimization_measures (legitimization_measure_serial_id)');
    175 
    176   EXECUTE FORMAT (
    177     'ALTER TABLE ' || table_name ||
    178     ' ADD CONSTRAINT ' || table_name || '_unique_measure_and_index'
    179     ' UNIQUE (legitimization_measure_serial_id,measure_index)');
    180 END
    181 $$;
    182 
    183 
    184 
    185 INSERT INTO exchange_tables
    186     (name
    187     ,version
    188     ,action
    189     ,partitioned
    190     ,by_range)
    191   VALUES
    192     ('legitimization_processes'
    193     ,'exchange-0002'
    194     ,'create'
    195     ,TRUE
    196     ,FALSE),
    197     ('legitimization_processes'
    198     ,'exchange-0002'
    199     ,'constrain'
    200     ,TRUE
    201     ,FALSE),
    202     ('legitimization_processes'
    203     ,'exchange-0002'
    204     ,'foreign'
    205     ,TRUE
    206     ,FALSE);