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global_exchange
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Fix crash

This commit is contained in:
raymoo 2016-02-25 21:26:05 -08:00
parent 1b83375c8f
commit 72f0a7832a
1 changed files with 8 additions and 0 deletions
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8
exchange.lua
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@ -50,6 +50,9 @@ ON Orders (Poster, Type, Time, Item, Rate);
CREATE INDEX if not exists index_inbox
ON Inbox (Recipient);
CREATE VIEW if not exists distinct_items AS
SELECT DISTINCT Item FROM Orders;
END TRANSACTION;
]=]
@ -649,6 +652,11 @@ function ex_methods.buy(self, p_name, ex_name, item_name, amount, rate)
local db = self.db
local bal = self:get_balance(p_name)
if not bal then
return false, "Nonexistent account."
end
if bal < amount * rate then
return false, "Not enough money."
end