1. Using Moodle as source for wallet: this allow all transaction to done internally on moodle site including the balance and coupon data.
2. Using wordpress with woocommerce and Treawallet as wallet source: now you use the futures of woocommerce including coupons and wallet balance, also it creates users in wordpress automatically with the same email.

• Manager creates a course and decide the cost for it.
• Users can enrol themselves with their credit and the cost deducted from their wallets.

• By default site managers has the capability to add or deduct from a user's wallet balance.
• Admin can change these capability "enrol/wallet:creditdebit" or grant it to any role.

• Users can charge their wallets by themselves using payments gateways available.
• Also can use fixed value coupons to do that.
• Users can review their balance from profile page and topping up their wallets.

• In addition to enrol using wallet credit, user's can be direct enrol themselves using a coupon code it is a 100% discount or fixed with value greater than the course cost.
• If the coupon with fixed value greater than the course cost, the remaining value will be added to the user's balance.
• Also if there is payment gateway enabled they can enrol to the course by direct payment.
• If the user already have a balance for example 20 USD, and the course cost 100 USD, so he will have to pay only 80 to get enrolled and the 20 will be deducted from his balance.

• Admin can enable a cashback program, so when a user pay for a course, a percentage amount from what he paid will be return to his wallet.

• Encourage your students by awarding them for completing a course.
• In each course, the course creator can enable awarding program with a certain condition and amount.
• For example set the condition for 80, means that only students completed the course with 80% or more of the fullmark of the course will get awarded.
• Setting up the value for 0.2 USD for awarding means that for every raw mark the student get above the condition will add 0.2 to his wallet (student grade is 900 out of max grade for the course 1000, this is a 100 grade above the condition, so 20 USD award added to his wallet).

• You can enable referral program in the website.
• Users can send their referral code or url to new user and both gets a referral gift.
• Referral gift is in hold state until the new user get enrolled in at least one course.
• Admin can choose what is the enrolment method able to release the hold gift.
• Times users can use their referral code can be limited by a maximum value.

• If you use moodle as a wallet source, you can add a coupon manually or generate any number you need of coupons.
• Coupons could be of type fixed of percent.
• Determine the interval of time at which the coupon could be used or just anytime.
• Determine the maximum usage for each coupon.
• Only users with capability "enrol/wallet:createcoupon" could generate coupons and with "enrol/wallet:deletecoupon" can delete coupons.
• Editing coupons is not an option now but I'll try to add it in the future.
• You can choose the length of random coupon, the type of characters in the generated random coupon (lowercase, uppercase and digits).

• If you use woocommerce as a wallet source, so you can't use moodle coupons.
• Instate you use woocommerce coupons so you can generate and create it their.

• In each enrol_wallet instance, course creator can decide if only users in a certain course can enrol (using any of previous methods) or not.

• Course creator can decide to restrict using wallet enrollment so only users enrolled in a set of other selected courses can enrol themselves in this course.
• Also the creator can select a set of 10 courses in example, and set number of of required courses 5 for example, so the user must be enrolled at least in five courses from the 10 selected.

• Enable or disable the ability for users to unenrol themselves.
• Can enable with period condition.

• Users with capability "enrol/wallet:transactions" can see all wallet transaction can review any transaction in the website.
• Other user can see only their own transactions.
• Using Wallet Balance block plugin to allow users to see their balance anywhere and recharge it by payment.

• Admin can enable the option for users to transfer credit to each other by email.
• The capability enrol/wallet:transfer is set to all users by default, can be altered by admin.
• A transfer fee can be set.
• Admin can configure if the fee deducted from the sender balance or from the receiver balance.

Admin settings:

Transfer form:

• Their is an option for admins to edit all users enrollments in selected courses in bulk from a central place.

• Admins can edit all wallet enrolment instances in all or selected courses from a central place.

• From settings, admins can enable new user gift program.
• This gives new users a balance in their wallet as a gift for joining the website.

• Want to give certain student a discount 50%?
• Or another student want to give him courses for free?
• If yes, create a custom profile field and make it locked, also invisible if needed.
• In wallet enrolment setting, select this field as a discount field.
• Users with 20 in this field will get 20% discount in all courses.
• Users with 100 or 'free' in this field will get courses for free.

19- Conditional discounts.

• In the latest version a conditional discount rules added.
• Admin can enable or disable conditional discounts.
• Conditional discount applied for charging the wallet only.
• Add a rule which is an amount for charging wallet, if the user charge their wallet with a value exceed the rule, the discount applied.
• Decide the percentage amount for this discount.

• Discount appear on confirmation when user top-up their wallet using payment along with the refund policy (if admin left it blank nothing appears).

• Also discount appear to users with capability 'creditdebit' as a final calculated value when they try to recharge other user wallet.

20- Manual refunding and Policy.

• Admins can customize a refunding policy to display it to users.
• Users can see how much of their wallet balance is refundable.
• All gifts, cashback, credit from discount and awards are not refundable.
• Admin can set a grace time period for refunding, after this time is over the balance turn to be nonrefundable (14 days by default).
• Setting grace period to 0 means that is no grace period and no transformations for the balance.
• If Admin unchecked 'enable refund' so all balance now on will be nonrefundable.

• Enable or disable refunding users by unenrol.
• Conditions like grace period could be configured.
• Unenrol deduction fee can be configured.

• Availability Conditions plugins meant to be used for restrict sections of course modules only, but now using enrol wallet some of them could be used to restrict enrollment by wallet balance, coupons or payments.
• Tested with profile, grade, activity completion, date and another course completion plugins.
• Not support group, grouping, any payment plugins.
• Other plugins may work and maybe not according to their logic, don't hesitate to contact me for any help about this future. 
• Admin settings:

• Instance form:

• User view:

Restriction by wallet payment (availablity_wallet)

Restrict access to course modules and sections by payment with wallet balance.

Signup with wallet balance confirmation (auth_wallet)