1.1.0

Added

• Added index for fields in "transfers" table: ['from_type', 'from_id', 'refund'].
• Added index for fields in "transfers" table: ['to_type', 'to_id', 'refund'].
• In the table "transactions" added to the type index.
• Exception ProductEnded
• Method public paid(Product $product): ?Transfer.
• Method public canBuy(Customer $customer): bool.
• Static balance caching. Also the description for what it is necessary.

Changed

• In the table "transactions" is deleted the index of the field "uuid" and added a unique index.
• In the table "transfers" is deleted the index of the field "uuid" and added a unique index.
• Method pay began to check the possibility of buying.

Removed

• public resetBalance(): void

What's Changed

• add paid by @rez1dent3 in #4
• add canBuy by @rez1dent3 in #5
• update method pay by @rez1dent3 in #6
• Scrutinizer Auto-Fixes by @scrutinizer-auto-fixer in #7

Full Changelog: 1.0.0...1.1.0