diff options
Diffstat (limited to 'src/exchangedb/exchange_do_batch_withdraw.sql')
| -rw-r--r-- | src/exchangedb/exchange_do_batch_withdraw.sql | 55 |
1 files changed, 22 insertions, 33 deletions
diff --git a/src/exchangedb/exchange_do_batch_withdraw.sql b/src/exchangedb/exchange_do_batch_withdraw.sql index 53e908444..b896e04f2 100644 --- a/src/exchangedb/exchange_do_batch_withdraw.sql +++ b/src/exchangedb/exchange_do_batch_withdraw.sql @@ -17,8 +17,7 @@ -- @author Özgür Kesim CREATE OR REPLACE FUNCTION exchange_do_batch_withdraw( - IN amount_val INT8, - IN amount_frac INT4, + IN amount taler_amount, IN rpub BYTEA, IN now INT8, IN min_reserve_gc INT8, @@ -31,10 +30,8 @@ CREATE OR REPLACE FUNCTION exchange_do_batch_withdraw( LANGUAGE plpgsql AS $$ DECLARE - reserve_gc INT8; - reserve_val INT8; - reserve_frac INT4; - reserve_birthday INT4; + reserve RECORD; + balance taler_amount; not_before date; BEGIN -- Shards: reserves by reserve_pub (SELECT) @@ -44,18 +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; @@ -70,9 +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; @@ -82,7 +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; @@ -91,22 +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; @@ -114,13 +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_val=reserve_val - ,current_balance_frac=reserve_frac + ,current_balance=balance WHERE reserves.reserve_pub=rpub; @@ -129,6 +118,6 @@ balance_ok=TRUE; END $$; -COMMENT ON FUNCTION exchange_do_batch_withdraw(INT8, INT4, BYTEA, INT8, INT8, BOOLEAN) +COMMENT ON FUNCTION exchange_do_batch_withdraw(taler_amount, BYTEA, INT8, INT8, BOOLEAN) IS 'Checks whether the reserve has sufficient balance for a withdraw operation (or the request is repeated and was previously approved) and that age requirements are formally met. If so updates the database with the result. Excludes storing the planchets.'; |