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path: root/src/exchangedb/exchange_do_batch_withdraw.sql
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Diffstat (limited to 'src/exchangedb/exchange_do_batch_withdraw.sql')
-rw-r--r--src/exchangedb/exchange_do_batch_withdraw.sql48
1 files changed, 20 insertions, 28 deletions
diff --git a/src/exchangedb/exchange_do_batch_withdraw.sql b/src/exchangedb/exchange_do_batch_withdraw.sql
index ba364ddae..b896e04f2 100644
--- a/src/exchangedb/exchange_do_batch_withdraw.sql
+++ b/src/exchangedb/exchange_do_batch_withdraw.sql
@@ -30,9 +30,8 @@ CREATE OR REPLACE FUNCTION exchange_do_batch_withdraw(
LANGUAGE plpgsql
AS $$
DECLARE
- reserve_gc INT8;
- reserve taler_amount;
- reserve_birthday INT4;
+ reserve RECORD;
+ balance taler_amount;
not_before date;
BEGIN
-- Shards: reserves by reserve_pub (SELECT)
@@ -42,18 +41,8 @@ BEGIN
-- wire_targets by wire_target_h_payto
-SELECT
- current_balance.val
- ,current_balance.frac
- ,gc_date
- ,birthday
- ,reserve_uuid
- INTO
- reserve.val
- ,reserve.frac
- ,reserve_gc
- ,reserve_birthday
- ,ruuid
+SELECT *
+ INTO reserve
FROM exchange.reserves
WHERE reserves.reserve_pub=rpub;
@@ -68,9 +57,10 @@ THEN
RETURN;
END IF;
+ruuid = reserve.reserve_uuid;
-- Check if age requirements are present
-IF ((NOT do_age_check) OR (reserve_birthday = 0))
+IF ((NOT do_age_check) OR (reserve.birthday = 0))
THEN
age_ok = TRUE;
allowed_maximum_age = -1;
@@ -80,7 +70,7 @@ ELSE
-- birthday set (reserve_birthday != 0), but the client called the
-- batch-withdraw endpoint instead of the age-withdraw endpoint, which it
-- should have.
- not_before=date '1970-01-01' + reserve_birthday;
+ not_before=date '1970-01-01' + reserve.birthday;
allowed_maximum_age = extract(year from age(current_date, not_before));
reserve_found=TRUE;
@@ -89,22 +79,24 @@ ELSE
RETURN;
END IF;
+balance = reserve.current_balance;
+
-- Check reserve balance is sufficient.
-IF (reserve.val > amount.val)
+IF (balance.val > amount.val)
THEN
- IF (reserve.frac >= amount.frac)
+ IF (balance.frac >= amount.frac)
THEN
- reserve.val=reserve.val - amount.val;
- reserve.frac=reserve.frac - amount.frac;
+ balance.val=balance.val - amount.val;
+ balance.frac=balance.frac - amount.frac;
ELSE
- reserve.val=reserve.val - amount.val - 1;
- reserve.frac=reserve.frac + 100000000 - amount.frac;
+ balance.val=balance.val - amount.val - 1;
+ balance.frac=balance.frac + 100000000 - amount.frac;
END IF;
ELSE
- IF (reserve.val = amount.val) AND (reserve.frac >= amount.frac)
+ IF (balance.val = amount.val) AND (balance.frac >= amount.frac)
THEN
- reserve.val=0;
- reserve.frac=reserve.frac - amount.frac;
+ balance.val=0;
+ balance.frac=balance.frac - amount.frac;
ELSE
balance_ok=FALSE;
RETURN;
@@ -112,12 +104,12 @@ ELSE
END IF;
-- Calculate new expiration dates.
-min_reserve_gc=GREATEST(min_reserve_gc,reserve_gc);
+min_reserve_gc=GREATEST(min_reserve_gc,reserve.gc_date);
-- Update reserve balance.
UPDATE reserves SET
gc_date=min_reserve_gc
- ,current_balance=reserve
+ ,current_balance=balance
WHERE
reserves.reserve_pub=rpub;