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[taler-exchange] branch master updated: -expand tables
From: |
gnunet |
Subject: |
[taler-exchange] branch master updated: -expand tables |
Date: |
Tue, 27 Dec 2022 03:31:16 +0100 |
This is an automated email from the git hooks/post-receive script.
grothoff pushed a commit to branch master
in repository exchange.
The following commit(s) were added to refs/heads/master by this push:
new 871d0106 -expand tables
871d0106 is described below
commit 871d010637205965dabb7f29e43679756a4449a6
Author: Christian Grothoff <grothoff@gnunet.org>
AuthorDate: Tue Dec 27 03:31:13 2022 +0100
-expand tables
---
src/exchangedb/0003-kyc_attributes.sql | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/src/exchangedb/0003-kyc_attributes.sql
b/src/exchangedb/0003-kyc_attributes.sql
index db7f2e1e..1547466f 100644
--- a/src/exchangedb/0003-kyc_attributes.sql
+++ b/src/exchangedb/0003-kyc_attributes.sql
@@ -27,7 +27,10 @@ BEGIN
'CREATE TABLE IF NOT EXISTS %I'
'(kyc_attributes_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
',h_payto BYTEA PRIMARY KEY CHECK (LENGTH(h_payto)=32)'
+ ',kyc_prox BYTEA NOT NULL CHECK (LENGTH(kyc_prox)=32)'
',provider VARCHAR NOT NULL'
+ ',birthdate VARCHAR'
+ ',collection_time INT8 NOT NULL'
',expiration_time INT8 NOT NULL'
',encrypted_attributes VARCHAR NOT NULL'
') %s ;'
@@ -46,6 +49,24 @@ BEGIN
,table_name
,partition_suffix
);
+ PERFORM comment_partitioned_column(
+ 'short hash of normalized full name and birthdate; used to efficiently
find likely duplicate users'
+ ,'kyc_prox'
+ ,table_name
+ ,partition_suffix
+ );
+ PERFORM comment_partitioned_column(
+ 'birth date of the user, in format YYYY-MM-DD where a value of 0 is used
to indicate unknown (in official documents); NULL if the birth date was not
collected by the provider; used for KYC-driven age restrictions'
+ ,'birthdate'
+ ,table_name
+ ,partition_suffix
+ );
+ PERFORM comment_partitioned_column(
+ 'time when the attributes were collected by the provider'
+ ,'collection_time'
+ ,table_name
+ ,partition_suffix
+ );
PERFORM comment_partitioned_column(
'time when the attributes should no longer be considered validated'
,'expiration_time'
@@ -85,6 +106,18 @@ BEGIN
' ADD CONSTRAINT ' || table_name || '_serial_key '
'UNIQUE (kyc_attributes_serial_id)'
);
+ -- To search similar users (e.g. during AML checks)
+ EXECUTE FORMAT (
+ 'CREATE INDEX ' || table_name || '_similarity_index '
+ 'ON ' || table_name || ' '
+ '(kyc_prox);'
+ );
+ -- For garbage collection
+ EXECUTE FORMAT (
+ 'CREATE INDEX ' || table_name || '_expiration_time '
+ 'ON ' || table_name || ' '
+ '(expiration_time ASC);'
+ );
END $$;
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