[taler-exchange] 07/15: more work on SQL refactoring

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[taler-exchange] 07/15: more work on SQL refactoring

From:	gnunet
Subject:	[taler-exchange] 07/15: more work on SQL refactoring
Date:	Sun, 27 Nov 2022 22:14:31 +0100
This is an automated email from the git hooks/post-receive script.

grothoff pushed a commit to branch master
in repository exchange.

commit 2eff222c524fa3b5ce2dd4a636aaec8dfb0862c7
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Sun Nov 27 15:31:39 2022 +0100

    more work on SQL refactoring
---
 src/exchangedb/0002-account_merges.sql   |  85 ++++++++++---
 src/exchangedb/0002-close_requests.sql   |  83 +++++++++----
 src/exchangedb/0002-contracts.sql        |  72 ++++++++---
 src/exchangedb/0002-history_requests.sql |  54 +++++++--
 src/exchangedb/0002-purse_deposits.sql   | 100 +++++++++++++---
 src/exchangedb/0002-wad_in_entries.sql   | 132 ++++++++++++++++++---
 src/exchangedb/0002-wad_out_entries.sql  | 157 +++++++++++++++++++-----
 src/exchangedb/0002-wads_in.sql          |  76 ++++++++----
 src/exchangedb/0002-wads_out.sql         |  77 ++++++++++--
 src/exchangedb/exchange-0001-part.sql    | 197 -------------------------------
 10 files changed, 675 insertions(+), 358 deletions(-)

diff --git a/src/exchangedb/0002-account_merges.sql 
b/src/exchangedb/0002-account_merges.sql
index c4102ac6..d6400f42 100644
--- a/src/exchangedb/0002-account_merges.sql
+++ b/src/exchangedb/0002-account_merges.sql
@@ -14,8 +14,8 @@
 -- TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 --
 
-CREATE OR REPLACE FUNCTION create_table_account_merges(
-  IN shard_suffix VARCHAR DEFAULT NULL
+CREATE FUNCTION create_table_account_merges(
+  IN partition_suffix VARCHAR DEFAULT NULL
 )
 RETURNS VOID
 LANGUAGE plpgsql
@@ -23,44 +23,85 @@ AS $$
 DECLARE
   table_name VARCHAR DEFAULT 'account_merges';
 BEGIN
-
   PERFORM create_partitioned_table(
     'CREATE TABLE IF NOT EXISTS %I '
-      '(account_merge_request_serial_id BIGINT GENERATED BY DEFAULT AS 
IDENTITY' -- UNIQUE
-      ',reserve_pub BYTEA NOT NULL CHECK (LENGTH(reserve_pub)=32)' -- 
REFERENCES reserves (reserve_pub) ON DELETE CASCADE
+      '(account_merge_request_serial_id BIGINT GENERATED BY DEFAULT AS 
IDENTITY'
+      ',reserve_pub BYTEA NOT NULL CHECK (LENGTH(reserve_pub)=32)'
       ',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)'
-      ',purse_pub BYTEA NOT NULL CHECK (LENGTH(purse_pub)=32)' -- REFERENCES 
purse_requests (purse_pub)
+      ',purse_pub BYTEA NOT NULL CHECK (LENGTH(purse_pub)=32)'
       ',wallet_h_payto BYTEA NOT NULL CHECK (LENGTH(wallet_h_payto)=32)'
       ',PRIMARY KEY (purse_pub)'
     ') %s ;'
     ,table_name
     ,'PARTITION BY HASH (purse_pub)'
-    ,shard_suffix
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_table(
+     'Merge requests where a purse- and account-owner requested merging the 
purse into the account'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'public key of the target reserve'
+    ,'reserve_pub'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'public key of the purse'
+    ,'purse_pub'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'signature by the reserve private key affirming the merge, of type 
TALER_SIGNATURE_WALLET_ACCOUNT_MERGE'
+    ,'reserve_sig'
+    ,table_name
+    ,partition_suffix
   );
+END
+$$;
 
-  table_name = concat_ws('_', table_name, shard_suffix);
 
-  -- FIXME: change to materialized index by reserve_pub!
+CREATE FUNCTION constrain_table_account_merges(
+  IN partition_suffix VARCHAR
+)
+RETURNS VOID
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  table_name VARCHAR DEFAULT 'account_merges';
+BEGIN
+  table_name = concat_ws('_', table_name, partition_suffix);
+
+  -- FIXME: change to materialized index by reserve_pub!?
   EXECUTE FORMAT (
-    'CREATE INDEX IF NOT EXISTS ' || table_name || '_by_reserve_pub '
+    'CREATE INDEX ' || table_name || '_by_reserve_pub '
     'ON ' || table_name || ' '
     '(reserve_pub);'
   );
-
+  EXECUTE FORMAT (
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_account_merge_request_serial_id_key'
+    ' UNIQUE (account_merge_request_serial_id) '
+  );
 END
 $$;
 
-CREATE OR REPLACE FUNCTION add_constraints_to_account_merges_partition(
-  IN partition_suffix VARCHAR
-)
+
+CREATE FUNCTION foreign_table_account_merges()
 RETURNS VOID
 LANGUAGE plpgsql
 AS $$
+DECLARE
+  table_name VARCHAR DEFAULT 'account_merges';
 BEGIN
   EXECUTE FORMAT (
-    'ALTER TABLE account_merges_' || partition_suffix || ' '
-      'ADD CONSTRAINT account_merges_' || partition_suffix || 
'_account_merge_request_serial_id_key '
-        'UNIQUE (account_merge_request_serial_id) '
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_foreign_reserve_pub'
+    ' REFERENCES reserves (reserve_pub) ON DELETE CASCADE'
+    ',ADD CONSTRAINT ' || table_name || '_foreign_purse_pub'
+    ' REFERENCES purse_requests (purse_pub)'
   );
 END
 $$;
@@ -77,4 +118,14 @@ INSERT INTO exchange_tables
     ,'exchange-0002'
     ,'create'
     ,TRUE
+    ,FALSE),
+    ('account_merges'
+    ,'exchange-0002'
+    ,'constrain'
+    ,TRUE
+    ,FALSE),
+    ('account_merges'
+    ,'exchange-0002'
+    ,'foreign'
+    ,TRUE
     ,FALSE);
diff --git a/src/exchangedb/0002-close_requests.sql 
b/src/exchangedb/0002-close_requests.sql
index 103342c2..75151898 100644
--- a/src/exchangedb/0002-close_requests.sql
+++ b/src/exchangedb/0002-close_requests.sql
@@ -14,8 +14,8 @@
 -- TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 --
 
-CREATE OR REPLACE FUNCTION create_table_close_requests(
-  IN shard_suffix VARCHAR DEFAULT NULL
+CREATE FUNCTION create_table_close_requests(
+  IN partition_suffix VARCHAR DEFAULT NULL
 )
 RETURNS VOID
 LANGUAGE plpgsql
@@ -23,11 +23,10 @@ AS $$
 DECLARE
   table_name VARCHAR DEFAULT 'close_requests';
 BEGIN
-
   PERFORM create_partitioned_table(
-    'CREATE TABLE IF NOT EXISTS %I '
-      '(close_request_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY' 
--UNIQUE'
-      ',reserve_pub BYTEA NOT NULL CHECK (LENGTH(reserve_pub)=32)' -- 
REFERENCES reserves(reserve_pub) ON DELETE CASCADE
+    'CREATE TABLE %I '
+      '(close_request_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
+      ',reserve_pub BYTEA NOT NULL CHECK (LENGTH(reserve_pub)=32)'
       ',close_timestamp INT8 NOT NULL'
       ',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)'
       ',close_val INT8 NOT NULL'
@@ -40,13 +39,41 @@ BEGIN
     ') %s ;'
     ,table_name
     ,'PARTITION BY HASH (reserve_pub)'
-    ,shard_suffix
+    ,partition_suffix
   );
-END
-$$;
+  PERFORM comment_partitioned_table(
+     'Explicit requests by a reserve owner to close a reserve immediately'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'When the request was created by the client'
+    ,'close_timestamp'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Signature affirming that the reserve is to be closed'
+    ,'reserve_sig'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Balance of the reserve at the time of closing, to be wired to the 
associated bank account (minus the closing fee)'
+    ,'close_val'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Identifies the credited bank account. Optional.'
+    ,'payto_uri'
+    ,table_name
+    ,partition_suffix
+  );
+END $$;
 
 
-CREATE OR REPLACE FUNCTION add_constraints_to_close_requests(
+CREATE FUNCTION constrain_table_close_requests(
   IN partition_suffix VARCHAR
 )
 RETURNS VOID
@@ -55,31 +82,37 @@ AS $$
 DECLARE
   table_name VARCHAR DEFAULT 'close_requests';
 BEGIN
-
+  table_name = concat_ws('_', table_name, partition_suffix);
   EXECUTE FORMAT (
-    'CREATE INDEX IF NOT EXISTS ' || table_name || 
'_by_close_request_uuid_index '
+    'CREATE INDEX ' || table_name || '_by_close_request_uuid_index '
     'ON ' || table_name || ' '
     '(close_request_serial_id);'
   );
   EXECUTE FORMAT (
-    'CREATE INDEX IF NOT EXISTS ' || table_name || 
'_by_close_request_done_index '
+    'CREATE INDEX ' || table_name || '_by_close_request_done_index '
     'ON ' || table_name || ' '
     '(done);'
   );
+  EXECUTE FORMAT (
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_close_request_uuid_pkey'
+    ' UNIQUE (close_request_serial_id)'
+  );
 END
 $$;
 
-CREATE OR REPLACE FUNCTION add_constraints_to_close_requests_partition(
-  IN partition_suffix VARCHAR
-)
-RETURNS void
+
+CREATE FUNCTION foreign_table_close_requests()
+RETURNS VOID
 LANGUAGE plpgsql
 AS $$
+DECLARE
+  table_name VARCHAR DEFAULT 'close_requests';
 BEGIN
   EXECUTE FORMAT (
-    'ALTER TABLE close_requests_' || partition_suffix || ' '
-      'ADD CONSTRAINT close_requests_' || partition_suffix || 
'_close_request_uuid_pkey '
-        'UNIQUE (close_request_serial_id)'
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_foreign_reserve_pub'
+    ' REFERENCES reserves(reserve_pub) ON DELETE CASCADE'
   );
 END
 $$;
@@ -96,4 +129,14 @@ INSERT INTO exchange_tables
     ,'exchange-0002'
     ,'create'
     ,TRUE
+    ,FALSE),
+    ('close_requests'
+    ,'exchange-0002'
+    ,'constrain'
+    ,TRUE
+    ,FALSE),
+    ('close_requests'
+    ,'exchange-0002'
+    ,'foreign'
+    ,TRUE
     ,FALSE);
diff --git a/src/exchangedb/0002-contracts.sql 
b/src/exchangedb/0002-contracts.sql
index 224430c9..40965306 100644
--- a/src/exchangedb/0002-contracts.sql
+++ b/src/exchangedb/0002-contracts.sql
@@ -15,8 +15,8 @@
 --
 
 
-CREATE OR REPLACE FUNCTION create_table_contracts(
-  IN shard_suffix VARCHAR DEFAULT NULL
+CREATE FUNCTION create_table_contracts(
+  IN partition_suffix VARCHAR DEFAULT NULL
 )
 RETURNS VOID
 LANGUAGE plpgsql
@@ -24,36 +24,67 @@ AS $$
 DECLARE
   table_name VARCHAR DEFAULT 'contracts';
 BEGIN
-
   PERFORM create_partitioned_table(
-    'CREATE TABLE IF NOT EXISTS %I '
-      '(contract_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY' --UNIQUE
-      ',purse_pub BYTEA NOT NULL CHECK (LENGTH(purse_pub)=32)'
-      ',pub_ckey BYTEA NOT NULL CHECK (LENGTH(pub_ckey)=32)'
-      ',contract_sig BYTEA NOT NULL CHECK (LENGTH(contract_sig)=64)'
-      ',e_contract BYTEA NOT NULL'
-      ',purse_expiration INT8 NOT NULL'
-      ',PRIMARY KEY (purse_pub)'
-    ') %s ;'
+     'CREATE TABLE %I '
+     '(contract_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
+     ',purse_pub BYTEA NOT NULL CHECK (LENGTH(purse_pub)=32)'
+     ',pub_ckey BYTEA NOT NULL CHECK (LENGTH(pub_ckey)=32)'
+     ',contract_sig BYTEA NOT NULL CHECK (LENGTH(contract_sig)=64)'
+     ',e_contract BYTEA NOT NULL'
+     ',purse_expiration INT8 NOT NULL'
+     ',PRIMARY KEY (purse_pub)'
+     ') %s ;'
     ,table_name
     ,'PARTITION BY HASH (purse_pub)'
-    ,shard_suffix
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_table(
+     'encrypted contracts associated with purses'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'public key of the purse that the contract is associated with'
+    ,'purse_pub'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'signature over the encrypted contract by the purse contract key'
+    ,'contract_sig'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Public ECDH key used to encrypt the contract, to be used with the purse 
private key for decryption'
+    ,'pub_ckey'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'AES-GCM encrypted contract terms (contains gzip compressed JSON after 
decryption)'
+    ,'e_contract'
+    ,table_name
+    ,partition_suffix
   );
-
 END
 $$;
 
-CREATE OR REPLACE FUNCTION add_constraints_to_contracts_partition(
+
+CREATE FUNCTION constrain_table_contracts(
   IN partition_suffix VARCHAR
 )
 RETURNS VOID
 LANGUAGE plpgsql
 AS $$
+DECLARE
+  table_name VARCHAR DEFAULT 'contracts';
 BEGIN
+  table_name = concat_ws('_', table_name, partition_suffix);
   EXECUTE FORMAT (
-    'ALTER TABLE contracts_' || partition_suffix || ' '
-      'ADD CONSTRAINT contracts_' || partition_suffix || 
'_contract_serial_id_key '
-        'UNIQUE (contract_serial_id) '
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_contract_serial_id_key'
+    ' UNIQUE (contract_serial_id) '
   );
 END
 $$;
@@ -70,4 +101,9 @@ INSERT INTO exchange_tables
     ,'exchange-0002'
     ,'create'
     ,TRUE
+    ,FALSE),
+    ('contracts'
+    ,'exchange-0002'
+    ,'constrain'
+    ,TRUE
     ,FALSE);
diff --git a/src/exchangedb/0002-history_requests.sql 
b/src/exchangedb/0002-history_requests.sql
index 0df5ae01..978dea64 100644
--- a/src/exchangedb/0002-history_requests.sql
+++ b/src/exchangedb/0002-history_requests.sql
@@ -15,7 +15,7 @@
 --
 
 
-CREATE OR REPLACE FUNCTION create_table_history_requests(
+CREATE OR create_table_history_requests(
   IN shard_suffix VARCHAR DEFAULT NULL
 )
 RETURNS VOID
@@ -24,11 +24,10 @@ AS $$
 DECLARE
   table_name VARCHAR DEFAULT 'history_requests';
 BEGIN
-
   PERFORM create_partitioned_table(
-    'CREATE TABLE IF NOT EXISTS %I '
-      '(history_request_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY' 
--UNIQUE'
-      ',reserve_pub BYTEA NOT NULL CHECK (LENGTH(reserve_pub)=32)' -- 
REFERENCES reserves(reserve_pub) ON DELETE CASCADE
+    'CREATE TABLE %I '
+      '(history_request_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY' 
--UNIQUE
+      ',reserve_pub BYTEA NOT NULL CHECK (LENGTH(reserve_pub)=32)'
       ',request_timestamp INT8 NOT NULL'
       ',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)'
       ',history_fee_val INT8 NOT NULL'
@@ -39,9 +38,45 @@ BEGIN
     ,'PARTITION BY HASH (reserve_pub)'
     ,shard_suffix
   );
+  PERFORM comment_partitioned_table(
+     'Paid history requests issued by a client against a reserve'
+    ,table_name
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'When was the history request made'
+    ,'request_timestamp'
+    ,table_name
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Signature approving payment for the history request'
+    ,'reserve_sig'
+    ,table_name
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'History fee approved by the signature'
+    ,'history_fee_val'
+    ,table_name
+    ,shard_suffix
+  );
+END $$;
+
 
-END
-$$;
+CREATE OR foreign_table_history_requests()
+RETURNS VOID
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  table_name VARCHAR DEFAULT 'history_requests';
+BEGIN
+  EXECUTE FORMAT (
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_foreign_reserve_pub'
+    ' REFERENCES reserves(reserve_pub) ON DELETE CASCADE'
+  );
+END $$;
 
 
 INSERT INTO exchange_tables
@@ -55,4 +90,9 @@ INSERT INTO exchange_tables
     ,'exchange-0002'
     ,'create'
     ,TRUE
+    ,FALSE),
+    ('history_requests'
+    ,'exchange-0002'
+    ,'foreign'
+    ,TRUE
     ,FALSE);
diff --git a/src/exchangedb/0002-purse_deposits.sql 
b/src/exchangedb/0002-purse_deposits.sql
index 0e0c9807..25ccf1aa 100644
--- a/src/exchangedb/0002-purse_deposits.sql
+++ b/src/exchangedb/0002-purse_deposits.sql
@@ -14,8 +14,8 @@
 -- TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 --
 
-CREATE OR REPLACE FUNCTION create_table_purse_deposits(
-  IN shard_suffix VARCHAR DEFAULT NULL
+CREATE FUNCTION create_table_purse_deposits(
+  IN partition_suffix VARCHAR DEFAULT NULL
 )
 RETURNS VOID
 LANGUAGE plpgsql
@@ -23,13 +23,12 @@ AS $$
 DECLARE
   table_name VARCHAR DEFAULT 'purse_deposits';
 BEGIN
-
   PERFORM create_partitioned_table(
-    'CREATE TABLE IF NOT EXISTS %I '
-      '(purse_deposit_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY' -- 
UNIQUE
-      ',partner_serial_id INT8' -- REFERENCES partners(partner_serial_id) ON 
DELETE CASCADE'
+    'CREATE TABLE %I '
+      '(purse_deposit_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
+      ',partner_serial_id INT8'
       ',purse_pub BYTEA NOT NULL CHECK (LENGTH(purse_pub)=32)'
-      ',coin_pub BYTEA NOT NULL' -- REFERENCES known_coins (coin_pub) ON 
DELETE CASCADE'
+      ',coin_pub BYTEA NOT NULL'
       ',amount_with_fee_val INT8 NOT NULL'
       ',amount_with_fee_frac INT4 NOT NULL'
       ',coin_sig BYTEA NOT NULL CHECK(LENGTH(coin_sig)=64)'
@@ -37,32 +36,85 @@ BEGIN
     ') %s ;'
     ,table_name
     ,'PARTITION BY HASH (purse_pub)'
-    ,shard_suffix
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_table(
+     'Requests depositing coins into a purse'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'identifies the partner exchange, NULL in case the target purse lives at 
this exchange'
+    ,'partner_serial_id'
+    ,table_name
+    ,partition_suffix
   );
+  PERFORM comment_partitioned_column(
+     'Public key of the purse'
+    ,'purse_pub'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Public key of the coin being deposited'
+    ,'coin_pub'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Total amount being deposited'
+    ,'amount_with_fee_val'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Signature of the coin affirming the deposit into the purse, of type 
TALER_SIGNATURE_PURSE_DEPOSIT'
+    ,'coin_sig'
+    ,table_name
+    ,partition_suffix
+  );
+END
+$$;
 
-  table_name = concat_ws('_', table_name, shard_suffix);
+
+CREATE FUNCTION constrain_table_purse_deposits(
+  IN partition_suffix VARCHAR
+)
+RETURNS VOID
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  table_name VARCHAR DEFAULT 'purse_deposits';
+BEGIN
+  table_name = concat_ws('_', table_name, partition_suffix);
 
   -- FIXME: change to materialized index by coin_pub!
   EXECUTE FORMAT (
-    'CREATE INDEX IF NOT EXISTS ' || table_name || '_by_coin_pub '
-    'ON ' || table_name || ' '
-    '(coin_pub);'
+    'CREATE INDEX ' || table_name || '_by_coin_pub'
+    ' ON ' || table_name || ' (coin_pub);'
+  );
+  EXECUTE FORMAT (
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_purse_deposit_serial_id_key'
+    ' UNIQUE (purse_deposit_serial_id) '
   );
-
 END
 $$;
 
-CREATE OR REPLACE FUNCTION add_constraints_to_purse_deposits_partition(
-  IN partition_suffix VARCHAR
-)
+
+CREATE FUNCTION foreign_table_purse_deposits()
 RETURNS VOID
 LANGUAGE plpgsql
 AS $$
+DECLARE
+  table_name VARCHAR DEFAULT 'purse_deposits';
 BEGIN
   EXECUTE FORMAT (
-    'ALTER TABLE purse_deposits_' || partition_suffix || ' '
-      'ADD CONSTRAINT purse_deposits_' || partition_suffix || 
'_purse_deposit_serial_id_key '
-        'UNIQUE (purse_deposit_serial_id) '
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_foreign_partner'
+    ' REFERENCES partners(partner_serial_id) ON DELETE CASCADE'
+    ',ADD CONSTRAINT ' || table_name || '_foreign_coin_pub'
+    ' REFERENCES known_coins (coin_pub) ON DELETE CASCADE'
   );
 END
 $$;
@@ -79,4 +131,14 @@ INSERT INTO exchange_tables
     ,'exchange-0002'
     ,'create'
     ,TRUE
+    ,FALSE),
+    ('purse-deposits'
+    ,'exchange-0002'
+    ,'constrain'
+    ,TRUE
+    ,FALSE),
+    ('purse-deposits'
+    ,'exchange-0002'
+    ,'foreign'
+    ,TRUE
     ,FALSE);
diff --git a/src/exchangedb/0002-wad_in_entries.sql 
b/src/exchangedb/0002-wad_in_entries.sql
index cc8b0a6f..b8099f8d 100644
--- a/src/exchangedb/0002-wad_in_entries.sql
+++ b/src/exchangedb/0002-wad_in_entries.sql
@@ -14,8 +14,8 @@
 -- TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 --
 
-CREATE OR REPLACE FUNCTION create_table_wad_in_entries(
-  IN shard_suffix VARCHAR DEFAULT NULL
+CREATE FUNCTION create_table_wad_in_entries(
+  IN partition_suffix VARCHAR DEFAULT NULL
 )
 RETURNS VOID
 LANGUAGE plpgsql
@@ -23,11 +23,10 @@ AS $$
 DECLARE
   table_name VARCHAR DEFAULT 'wad_in_entries';
 BEGIN
-
   PERFORM create_partitioned_table(
-    'CREATE TABLE IF NOT EXISTS %I '
-      '(wad_in_entry_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY' 
--UNIQUE
-      ',wad_in_serial_id INT8' -- REFERENCES wads_in (wad_in_serial_id) ON 
DELETE CASCADE
+    'CREATE TABLE %I '
+      '(wad_in_entry_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
+      ',wad_in_serial_id INT8'
       ',reserve_pub BYTEA NOT NULL CHECK(LENGTH(reserve_pub)=32)'
       ',purse_pub BYTEA PRIMARY KEY CHECK(LENGTH(purse_pub)=32)'
       ',h_contract BYTEA NOT NULL CHECK(LENGTH(h_contract)=64)'
@@ -44,14 +43,96 @@ BEGIN
     ') %s ;'
     ,table_name
     ,'PARTITION BY HASH (purse_pub)'
-    ,shard_suffix
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_table(
+     'list of purses aggregated in a wad according to the sending exchange'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'wad for which the given purse was included in the aggregation'
+    ,'wad_in_serial_id'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'target account of the purse (must be at the local exchange)'
+    ,'reserve_pub'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'public key of the purse that was merged'
+    ,'purse_pub'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+    'hash of the contract terms of the purse'
+    ,'h_contract'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Time when the purse was set to expire'
+    ,'purse_expiration'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Time when the merge was approved'
+    ,'merge_timestamp'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Total amount in the purse'
+    ,'amount_with_fee_val'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Total wad fees paid by the purse'
+    ,'wad_fee_val'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Total deposit fees paid when depositing coins into the purse'
+    ,'deposit_fees_val'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Signature by the receiving reserve, of purpose 
TALER_SIGNATURE_ACCOUNT_MERGE'
+    ,'reserve_sig'
+    ,table_name
+    ,partition_suffix
   );
+  PERFORM comment_partitioned_column(
+     'Signature by the purse of purpose TALER_SIGNATURE_PURSE_MERGE'
+    ,'purse_sig'
+    ,table_name
+    ,partition_suffix
+  );
+END $$;
+
 
-  table_name = concat_ws('_', table_name, shard_suffix);
+CREATE FUNCTION constrain_table_wad_in_entries(
+  IN partition_suffix VARCHAR
+)
+RETURNS VOID
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  table_name VARCHAR DEFAULT 'wad_in_entries';
+BEGIN
+  table_name = concat_ws('_', table_name, partition_suffix);
 
   -- FIXME: change to materialized index by reserve_pub!
   EXECUTE FORMAT (
-    'CREATE INDEX IF NOT EXISTS ' || table_name || '_reserve_pub '
+    'CREATE INDEX ' || table_name || '_reserve_pub '
     'ON ' || table_name || ' '
     '(reserve_pub);'
   );
@@ -59,24 +140,27 @@ BEGIN
     'COMMENT ON INDEX ' || table_name || '_reserve_pub '
     'IS ' || quote_literal('needed in reserve history computation') || ';'
   );
+  EXECUTE FORMAT (
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_wad_in_entry_serial_id_key'
+    ' UNIQUE (wad_in_entry_serial_id) '
+  );
+END $$;
 
-END
-$$;
 
-CREATE OR REPLACE FUNCTION add_constraints_to_wad_in_entries_partition(
-  IN partition_suffix VARCHAR
-)
+CREATE FUNCTION foreign_table_wad_in_entries()
 RETURNS VOID
 LANGUAGE plpgsql
 AS $$
+DECLARE
+  table_name VARCHAR DEFAULT 'wad_in_entries';
 BEGIN
   EXECUTE FORMAT (
-    'ALTER TABLE wad_in_entries_' || partition_suffix || ' '
-      'ADD CONSTRAINT wad_in_entries_' || partition_suffix || 
'_wad_in_entry_serial_id_key '
-        'UNIQUE (wad_in_entry_serial_id) '
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_foreign_wad_in'
+    ' REFERENCES wads_in (wad_in_serial_id) ON DELETE CASCADE'
   );
-END
-$$;
+END $$;
 
 
 INSERT INTO exchange_tables
@@ -90,4 +174,14 @@ INSERT INTO exchange_tables
     ,'exchange-0002'
     ,'create'
     ,TRUE
+    ,FALSE),
+    ('wad_in_entries'
+    ,'exchange-0002'
+    ,'constrain'
+    ,TRUE
+    ,FALSE),
+    ('wad_in_entries'
+    ,'exchange-0002'
+    ,'foreign'
+    ,TRUE
     ,FALSE);
diff --git a/src/exchangedb/0002-wad_out_entries.sql 
b/src/exchangedb/0002-wad_out_entries.sql
index 3f1076b2..1db15156 100644
--- a/src/exchangedb/0002-wad_out_entries.sql
+++ b/src/exchangedb/0002-wad_out_entries.sql
@@ -15,8 +15,8 @@
 --
 
 
-CREATE OR REPLACE FUNCTION create_table_wad_out_entries(
-  IN shard_suffix VARCHAR DEFAULT NULL
+CREATE FUNCTION create_table_wad_out_entries(
+  IN partition_suffix VARCHAR DEFAULT NULL
 )
 RETURNS VOID
 LANGUAGE plpgsql
@@ -24,53 +24,140 @@ AS $$
 DECLARE
   table_name VARCHAR DEFAULT 'wad_out_entries';
 BEGIN
-
   PERFORM create_partitioned_table(
-    'CREATE TABLE IF NOT EXISTS %I '
-      '(wad_out_entry_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY' 
--UNIQUE
-      ',wad_out_serial_id INT8' -- REFERENCES wads_out (wad_out_serial_id) ON 
DELETE CASCADE
-      ',reserve_pub BYTEA NOT NULL CHECK(LENGTH(reserve_pub)=32)'
-      ',purse_pub BYTEA PRIMARY KEY CHECK(LENGTH(purse_pub)=32)'
-      ',h_contract BYTEA NOT NULL CHECK(LENGTH(h_contract)=64)'
-      ',purse_expiration INT8 NOT NULL'
-      ',merge_timestamp INT8 NOT NULL'
-      ',amount_with_fee_val INT8 NOT NULL'
-      ',amount_with_fee_frac INT4 NOT NULL'
-      ',wad_fee_val INT8 NOT NULL'
-      ',wad_fee_frac INT4 NOT NULL'
-      ',deposit_fees_val INT8 NOT NULL'
-      ',deposit_fees_frac INT4 NOT NULL'
-      ',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)'
-      ',purse_sig BYTEA NOT NULL CHECK (LENGTH(purse_sig)=64)'
-    ') %s ;'
+     'CREATE TABLE %I '
+     '(wad_out_entry_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
+     ',wad_out_serial_id INT8'
+     ',reserve_pub BYTEA NOT NULL CHECK(LENGTH(reserve_pub)=32)'
+     ',purse_pub BYTEA PRIMARY KEY CHECK(LENGTH(purse_pub)=32)'
+     ',h_contract BYTEA NOT NULL CHECK(LENGTH(h_contract)=64)'
+     ',purse_expiration INT8 NOT NULL'
+     ',merge_timestamp INT8 NOT NULL'
+     ',amount_with_fee_val INT8 NOT NULL'
+     ',amount_with_fee_frac INT4 NOT NULL'
+     ',wad_fee_val INT8 NOT NULL'
+     ',wad_fee_frac INT4 NOT NULL'
+     ',deposit_fees_val INT8 NOT NULL'
+     ',deposit_fees_frac INT4 NOT NULL'
+     ',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)'
+     ',purse_sig BYTEA NOT NULL CHECK (LENGTH(purse_sig)=64)'
+     ') %s ;'
     ,table_name
     ,'PARTITION BY HASH (purse_pub)'
-    ,shard_suffix
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_table(
+    'Purses combined into a wad'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Wad the purse was part of'
+    ,'wad_out_serial_id'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Target reserve for the purse'
+    ,'reserve_pub'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Public key of the purse'
+    ,'purse_pub'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Hash of the contract associated with the purse'
+    ,'h_contract'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Time when the purse expires'
+    ,'purse_expiration'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Time when the merge was approved'
+    ,'merge_timestamp'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Total amount in the purse'
+    ,'amount_with_fee_val'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+    'Wad fee charged to the purse'
+    ,'wad_fee_val'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Total deposit fees charged to the purse'
+    ,'deposit_fees_val'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Signature by the receiving reserve, of purpose 
TALER_SIGNATURE_ACCOUNT_MERGE'
+    ,'reserve_sig'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Signature by the purse of purpose TALER_SIGNATURE_PURSE_MERGE'
+    ,'purse_sig'
+    ,table_name
+    ,partition_suffix
   );
+END
+$$;
 
-  table_name = concat_ws('_', table_name, shard_suffix);
+
+CREATE FUNCTION constrain_table_wad_out_entries(
+  IN partition_suffix VARCHAR
+)
+RETURNS VOID
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  table_name VARCHAR DEFAULT 'wad_out_entries';
+BEGIN
+  table_name = concat_ws('_', table_name, partition_suffix);
 
   -- FIXME: change to materialized index by reserve_pub!
   EXECUTE FORMAT (
-    'CREATE INDEX IF NOT EXISTS ' || table_name || '_by_reserve_pub '
+    'CREATE INDEX ' || table_name || '_by_reserve_pub '
     'ON ' || table_name || ' '
     '(reserve_pub);'
   );
-
+  EXECUTE FORMAT (
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_wad_out_entry_serial_id_key'
+    ' UNIQUE (wad_out_entry_serial_id) '
+  );
 END
 $$;
 
-CREATE OR REPLACE FUNCTION add_constraints_to_wad_out_entries_partition(
-  IN partition_suffix VARCHAR
-)
+
+CREATE FUNCTION foreign_table_wad_out_entries()
 RETURNS VOID
 LANGUAGE plpgsql
 AS $$
+DECLARE
+  table_name VARCHAR DEFAULT 'wad_out_entries';
 BEGIN
   EXECUTE FORMAT (
-    'ALTER TABLE wad_out_entries_' || partition_suffix || ' '
-      'ADD CONSTRAINT wad_out_entries_' || partition_suffix || 
'_wad_out_entry_serial_id_key '
-        'UNIQUE (wad_out_entry_serial_id) '
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_foreign_wad_out'
+    ' REFERENCES wads_out (wad_out_serial_id) ON DELETE CASCADE'
   );
 END
 $$;
@@ -87,4 +174,14 @@ INSERT INTO exchange_tables
     ,'exchange-0002'
     ,'create'
     ,TRUE
+    ,FALSE),
+    ('wad_out_entries'
+    ,'exchange-0002'
+    ,'constrain'
+    ,TRUE
+    ,FALSE),
+    ('wad_out_entries'
+    ,'exchange-0002'
+    ,'foreign'
+    ,TRUE
     ,FALSE);
diff --git a/src/exchangedb/0002-wads_in.sql b/src/exchangedb/0002-wads_in.sql
index ca1466e0..dbbb02a7 100644
--- a/src/exchangedb/0002-wads_in.sql
+++ b/src/exchangedb/0002-wads_in.sql
@@ -14,7 +14,7 @@
 -- TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 --
 
-CREATE OR REPLACE FUNCTION create_table_wads_in(
+CREATE FUNCTION create_table_wads_in(
   IN shard_suffix VARCHAR DEFAULT NULL
 )
 RETURNS VOID
@@ -23,41 +23,70 @@ AS $$
 DECLARE
   table_name VARCHAR DEFAULT 'wads_in';
 BEGIN
-
   PERFORM create_partitioned_table(
-    'CREATE TABLE IF NOT EXISTS %I '
-      '(wad_in_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY' --UNIQUE
-      ',wad_id BYTEA PRIMARY KEY CHECK (LENGTH(wad_id)=24)'
-      ',origin_exchange_url TEXT NOT NULL'
-      ',amount_val INT8 NOT NULL'
-      ',amount_frac INT4 NOT NULL'
-      ',arrival_time INT8 NOT NULL'
-      ',UNIQUE (wad_id, origin_exchange_url)'
-    ') %s ;'
+     'CREATE TABLE %I '
+     '(wad_in_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
+     ',wad_id BYTEA PRIMARY KEY CHECK (LENGTH(wad_id)=24)'
+     ',origin_exchange_url TEXT NOT NULL'
+     ',amount_val INT8 NOT NULL'
+     ',amount_frac INT4 NOT NULL'
+     ',arrival_time INT8 NOT NULL'
+     ',UNIQUE (wad_id, origin_exchange_url)'
+     ') %s ;'
     ,table_name
     ,'PARTITION BY HASH (wad_id)'
     ,shard_suffix
   );
+  PERFORM comment_partitioned_table(
+     'Incoming exchange-to-exchange wad wire transfers'
+    ,table_name
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Unique identifier of the wad, part of the wire transfer subject'
+    ,'wad_id'
+    ,table_name
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Base URL of the originating URL, also part of the wire transfer subject'
+    ,'origin_exchange_url'
+    ,table_name
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Actual amount that was received by our exchange'
+    ,'amount_val'
+    ,table_name
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Time when the wad was received'
+    ,'arrival_time'
+    ,table_name
+    ,shard_suffix
+  );
+END $$;
 
-END
-$$;
 
-CREATE OR REPLACE FUNCTION add_constraints_to_wads_in_partition(
+CREATE FUNCTION constrain_table_wads_in(
   IN partition_suffix VARCHAR
 )
 RETURNS VOID
 LANGUAGE plpgsql
 AS $$
+DECLARE
+  table_name VARCHAR DEFAULT 'wads_in';
 BEGIN
+  table_name = concat_ws('_', table_name, partition_suffix);
   EXECUTE FORMAT (
-    'ALTER TABLE wads_in_' || partition_suffix || ' '
-      'ADD CONSTRAINT wads_in_' || partition_suffix || '_wad_in_serial_id_key '
-        'UNIQUE (wad_in_serial_id) '
-      ',ADD CONSTRAINT wads_in_' || partition_suffix || 
'_wad_is_origin_exchange_url_key '
-        'UNIQUE (wad_id, origin_exchange_url) '
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_wad_in_serial_id_key'
+    ' UNIQUE (wad_in_serial_id) '
+    ',ADD CONSTRAINT ' || table_name || '_wad_is_origin_exchange_url_key'
+    ' UNIQUE (wad_id, origin_exchange_url) '
   );
-END
-$$;
+END $$;
 
 
 INSERT INTO exchange_tables
@@ -71,4 +100,9 @@ INSERT INTO exchange_tables
     ,'exchange-0002'
     ,'create'
     ,TRUE
+    ,FALSE),
+    ('wads_in'
+    ,'exchange-0002'
+    ,'constrain'
+    ,TRUE
     ,FALSE);
diff --git a/src/exchangedb/0002-wads_out.sql b/src/exchangedb/0002-wads_out.sql
index a44b615e..d0e8d75f 100644
--- a/src/exchangedb/0002-wads_out.sql
+++ b/src/exchangedb/0002-wads_out.sql
@@ -14,7 +14,7 @@
 -- TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 --
 
-CREATE OR REPLACE FUNCTION create_table_wads_out(
+CREATE FUNCTION create_table_wads_out(
   IN shard_suffix VARCHAR DEFAULT NULL
 )
 RETURNS VOID
@@ -23,12 +23,11 @@ AS $$
 DECLARE
   table_name VARCHAR DEFAULT 'wads_out';
 BEGIN
-
   PERFORM create_partitioned_table(
-    'CREATE TABLE IF NOT EXISTS %I '
-      '(wad_out_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY' --UNIQUE
+    'CREATE TABLE %I '
+      '(wad_out_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
       ',wad_id BYTEA PRIMARY KEY CHECK (LENGTH(wad_id)=24)'
-      ',partner_serial_id INT8 NOT NULL' -- REFERENCES 
partners(partner_serial_id) ON DELETE CASCADE
+      ',partner_serial_id INT8 NOT NULL'
       ',amount_val INT8 NOT NULL'
       ',amount_frac INT4 NOT NULL'
       ',execution_time INT8 NOT NULL'
@@ -37,21 +36,69 @@ BEGIN
     ,'PARTITION BY HASH (wad_id)'
     ,shard_suffix
   );
-
+  PERFORM comment_partitioned_table(
+     'Wire transfers made to another exchange to transfer purse funds'
+    ,table_name
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Unique identifier of the wad, part of the wire transfer subject'
+    ,'wad_id'
+    ,table_name
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'target exchange of the wad'
+    ,'partner_serial_id'
+    ,table_name
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Amount that was wired'
+    ,'amount_val'
+    ,table_name
+    ,shard_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Time when the wire transfer was scheduled'
+    ,'execution_time'
+    ,table_name
+    ,shard_suffix
+  );
 END
 $$;
 
-CREATE OR REPLACE FUNCTION add_constraints_to_wads_out_partition(
+
+CREATE FUNCTION constrain_table_wads_out(
   IN partition_suffix VARCHAR
 )
 RETURNS VOID
 LANGUAGE plpgsql
 AS $$
+DECLARE
+  table_name VARCHAR DEFAULT 'wads_out';
+BEGIN
+  table_name = concat_ws('_', table_name, partition_suffix);
+  EXECUTE FORMAT (
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_wad_out_serial_id_key'
+    ' UNIQUE (wad_out_serial_id) '
+  );
+END
+$$;
+
+
+CREATE FUNCTION foreign_table_wads_out()
+RETURNS VOID
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  table_name VARCHAR DEFAULT 'wads_out';
 BEGIN
   EXECUTE FORMAT (
-    'ALTER TABLE wads_out_' || partition_suffix || ' '
-      'ADD CONSTRAINT wads_out_' || partition_suffix || 
'_wad_out_serial_id_key '
-        'UNIQUE (wad_out_serial_id) '
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_foreign_partner'
+    ' REFERENCES partners(partner_serial_id) ON DELETE CASCADE'
   );
 END
 $$;
@@ -68,4 +115,14 @@ INSERT INTO exchange_tables
     ,'exchange-0002'
     ,'create'
     ,TRUE
+    ,FALSE),
+    ('wads_out'
+    ,'exchange-0002'
+    ,'constrain'
+    ,TRUE
+    ,FALSE),
+    ('wads_out'
+    ,'exchange-0002'
+    ,'foreign'
+    ,TRUE
     ,FALSE);
diff --git a/src/exchangedb/exchange-0001-part.sql 
b/src/exchangedb/exchange-0001-part.sql
deleted file mode 100644
index 9e6fc7c4..00000000
--- a/src/exchangedb/exchange-0001-part.sql
+++ /dev/null
@@ -1,197 +0,0 @@
---
--- 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/>
---
-
--- ------------------------------ account_merges 
----------------------------------------
-
-SELECT create_table_account_merges();
-
-COMMENT ON TABLE account_merges
-  IS 'Merge requests where a purse- and account-owner requested merging the 
purse into the account';
-COMMENT ON COLUMN account_merges.reserve_pub
-  IS 'public key of the target reserve';
-COMMENT ON COLUMN account_merges.purse_pub
-  IS 'public key of the purse';
-COMMENT ON COLUMN account_merges.reserve_sig
-  IS 'signature by the reserve private key affirming the merge, of type 
TALER_SIGNATURE_WALLET_ACCOUNT_MERGE';
-
-SELECT add_constraints_to_account_merges_partition('default');
-
-
--- ------------------------------ contracts 
----------------------------------------
-
-SELECT create_table_contracts();
-
-COMMENT ON TABLE contracts
-  IS 'encrypted contracts associated with purses';
-COMMENT ON COLUMN contracts.purse_pub
-  IS 'public key of the purse that the contract is associated with';
-COMMENT ON COLUMN contracts.contract_sig
-  IS 'signature over the encrypted contract by the purse contract key';
-COMMENT ON COLUMN contracts.pub_ckey
-  IS 'Public ECDH key used to encrypt the contract, to be used with the purse 
private key for decryption';
-COMMENT ON COLUMN contracts.e_contract
-  IS 'AES-GCM encrypted contract terms (contains gzip compressed JSON after 
decryption)';
-
-SELECT add_constraints_to_contracts_partition('default');
-
-
--- ------------------------------ history_requests 
----------------------------------------
-
-SELECT create_table_history_requests();
-
-COMMENT ON TABLE history_requests
-  IS 'Paid history requests issued by a client against a reserve';
-COMMENT ON COLUMN history_requests.request_timestamp
-  IS 'When was the history request made';
-COMMENT ON COLUMN history_requests.reserve_sig
-  IS 'Signature approving payment for the history request';
-COMMENT ON COLUMN history_requests.history_fee_val
-  IS 'History fee approved by the signature';
-
--- ------------------------------ close_requests 
----------------------------------------
-
-SELECT create_table_close_requests();
-
-COMMENT ON TABLE close_requests
-  IS 'Explicit requests by a reserve owner to close a reserve immediately';
-COMMENT ON COLUMN close_requests.close_timestamp
-  IS 'When the request was created by the client';
-COMMENT ON COLUMN close_requests.reserve_sig
-  IS 'Signature affirming that the reserve is to be closed';
-COMMENT ON COLUMN close_requests.close_val
-  IS 'Balance of the reserve at the time of closing, to be wired to the 
associated bank account (minus the closing fee)';
-COMMENT ON COLUMN close_requests.payto_uri
-  IS 'Identifies the credited bank account. Optional.';
-
-SELECT add_constraints_to_close_requests_partition('default');
-
--- ------------------------------ purse_deposits 
----------------------------------------
-
-SELECT create_table_purse_deposits();
-
-COMMENT ON TABLE purse_deposits
-  IS 'Requests depositing coins into a purse';
-COMMENT ON COLUMN purse_deposits.partner_serial_id
-  IS 'identifies the partner exchange, NULL in case the target purse lives at 
this exchange';
-COMMENT ON COLUMN purse_deposits.purse_pub
-  IS 'Public key of the purse';
-COMMENT ON COLUMN purse_deposits.coin_pub
-  IS 'Public key of the coin being deposited';
-COMMENT ON COLUMN purse_deposits.amount_with_fee_val
-  IS 'Total amount being deposited';
-COMMENT ON COLUMN purse_deposits.coin_sig
-  IS 'Signature of the coin affirming the deposit into the purse, of type 
TALER_SIGNATURE_PURSE_DEPOSIT';
-
-SELECT add_constraints_to_purse_deposits_partition('default');
-
-
--- ------------------------------ wads_out 
----------------------------------------
-
-SELECT create_table_wads_out();
-
-COMMENT ON TABLE wads_out
-  IS 'Wire transfers made to another exchange to transfer purse funds';
-COMMENT ON COLUMN wads_out.wad_id
-  IS 'Unique identifier of the wad, part of the wire transfer subject';
-COMMENT ON COLUMN wads_out.partner_serial_id
-  IS 'target exchange of the wad';
-COMMENT ON COLUMN wads_out.amount_val
-  IS 'Amount that was wired';
-COMMENT ON COLUMN wads_out.execution_time
-  IS 'Time when the wire transfer was scheduled';
-
-SELECT add_constraints_to_wads_out_partition('default');
-
-
--- ------------------------------ wads_out_entries 
----------------------------------------
-
-SELECT create_table_wad_out_entries();
-
-COMMENT ON TABLE wad_out_entries
-  IS 'Purses combined into a wad';
-COMMENT ON COLUMN wad_out_entries.wad_out_serial_id
-  IS 'Wad the purse was part of';
-COMMENT ON COLUMN wad_out_entries.reserve_pub
-  IS 'Target reserve for the purse';
-COMMENT ON COLUMN wad_out_entries.purse_pub
-  IS 'Public key of the purse';
-COMMENT ON COLUMN wad_out_entries.h_contract
-  IS 'Hash of the contract associated with the purse';
-COMMENT ON COLUMN wad_out_entries.purse_expiration
-  IS 'Time when the purse expires';
-COMMENT ON COLUMN wad_out_entries.merge_timestamp
-  IS 'Time when the merge was approved';
-COMMENT ON COLUMN wad_out_entries.amount_with_fee_val
-  IS 'Total amount in the purse';
-COMMENT ON COLUMN wad_out_entries.wad_fee_val
-  IS 'Wat fee charged to the purse';
-COMMENT ON COLUMN wad_out_entries.deposit_fees_val
-  IS 'Total deposit fees charged to the purse';
-COMMENT ON COLUMN wad_out_entries.reserve_sig
-  IS 'Signature by the receiving reserve, of purpose 
TALER_SIGNATURE_ACCOUNT_MERGE';
-COMMENT ON COLUMN wad_out_entries.purse_sig
-  IS 'Signature by the purse of purpose TALER_SIGNATURE_PURSE_MERGE';
-
-SELECT add_constraints_to_wad_out_entries_partition('default');
-
--- ------------------------------ wads_in 
----------------------------------------
-
-SELECT create_table_wads_in();
-
-COMMENT ON TABLE wads_in
-  IS 'Incoming exchange-to-exchange wad wire transfers';
-COMMENT ON COLUMN wads_in.wad_id
-  IS 'Unique identifier of the wad, part of the wire transfer subject';
-COMMENT ON COLUMN wads_in.origin_exchange_url
-  IS 'Base URL of the originating URL, also part of the wire transfer subject';
-COMMENT ON COLUMN wads_in.amount_val
-  IS 'Actual amount that was received by our exchange';
-COMMENT ON COLUMN wads_in.arrival_time
-  IS 'Time when the wad was received';
-
-SELECT add_constraints_to_wads_in_partition('default');
-
-
--- ------------------------------ wads_in_entries 
----------------------------------------
-
-SELECT create_table_wad_in_entries();
-
-COMMENT ON TABLE wad_in_entries
-  IS 'list of purses aggregated in a wad according to the sending exchange';
-COMMENT ON COLUMN wad_in_entries.wad_in_serial_id
-  IS 'wad for which the given purse was included in the aggregation';
-COMMENT ON COLUMN wad_in_entries.reserve_pub
-  IS 'target account of the purse (must be at the local exchange)';
-COMMENT ON COLUMN wad_in_entries.purse_pub
-  IS 'public key of the purse that was merged';
-COMMENT ON COLUMN wad_in_entries.h_contract
-  IS 'hash of the contract terms of the purse';
-COMMENT ON COLUMN wad_in_entries.purse_expiration
-  IS 'Time when the purse was set to expire';
-COMMENT ON COLUMN wad_in_entries.merge_timestamp
-  IS 'Time when the merge was approved';
-COMMENT ON COLUMN wad_in_entries.amount_with_fee_val
-  IS 'Total amount in the purse';
-COMMENT ON COLUMN wad_in_entries.wad_fee_val
-  IS 'Total wad fees paid by the purse';
-COMMENT ON COLUMN wad_in_entries.deposit_fees_val
-  IS 'Total deposit fees paid when depositing coins into the purse';
-COMMENT ON COLUMN wad_in_entries.reserve_sig
-  IS 'Signature by the receiving reserve, of purpose 
TALER_SIGNATURE_ACCOUNT_MERGE';
-COMMENT ON COLUMN wad_in_entries.purse_sig
-  IS 'Signature by the purse of purpose TALER_SIGNATURE_PURSE_MERGE';
-
-SELECT add_constraints_to_wad_in_entries_partition('default');

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[taler-exchange] branch master updated (95149f34 -> 07b4b1aa), gnunet, 2022/11/27
- [taler-exchange] 01/15: -remove shard support, gnunet, 2022/11/27
- [taler-exchange] 08/15: more work on SQL refactoring, gnunet, 2022/11/27
- [taler-exchange] 07/15: more work on SQL refactoring, gnunet <=
- [taler-exchange] 02/15: intermediate step in major SQL refactoring (not done at all), gnunet, 2022/11/27
- [taler-exchange] 03/15: more sql refactoring, gnunet, 2022/11/27
- [taler-exchange] 04/15: more work on SQL refactoring, gnunet, 2022/11/27
- [taler-exchange] 10/15: more work on SQL refactoring, gnunet, 2022/11/27
- [taler-exchange] 06/15: more work on SQL refactoring, gnunet, 2022/11/27
- [taler-exchange] 15/15: handle partner_serial_id being NULL, gnunet, 2022/11/27
- [taler-exchange] 14/15: -fix foreign key constraint issue, gnunet, 2022/11/27
- [taler-exchange] 13/15: -constraint no longer holds, gnunet, 2022/11/27
- [taler-exchange] 05/15: more work on SQL refactoring, gnunet, 2022/11/27
- [taler-exchange] 09/15: more sql refactoring, gnunet, 2022/11/27
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