How to programtically know the price of a cryptocoin in a specifi exchange? - exchange-server

I want to learn the way to programatically (API, WS...) query the price of a cryptocoin in a particular exchange vs a pair.
For example know the price of MATIC vs USDT in quickswap exchange: https://quickswap.exchange/#/swap
I was inspecting the querys (F12>Network>Fetch/XHR); but I do not get any clue to do that.
I am not looking for the code, just the way to do that.

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how to add cash on delivery charges by my custom module magento

HI I want to add some charges on cash on delivery, I dont know where to do that
what I need to extend or what observer I need to call and how I can get and update quote price can any body explain briefly to me.
Thanks in advance
Before you start thinking about code you need to describe (if only to yourself) how your new "cash on delivery" feature will work with Magento. When will users be prompted for this choice? What needs to be added to the backend order information panes? etc.
Once you know that, you can start to identify the blocks/phtml and model logic you'll need to change/add-to in order to implement your feature.

Magento DHL module, what it's supposed to do?

Should be an easy-to-find info, but I wasn't able to find any doc page explaining what the DHL module can do and what cannot. Specifically:
can automatically create the shipment? (I mean, in such a way that whenever an order is placed - w-and ithout any action by me - someone at DHL will be notified that there's a box to be picked up at my company to be shipped...)
can automatically create the tracking number and send it - via email - to the customer
or all it can do is just getting quotes?
No, and No. What it does do is allow for you to get, display, and record rates for the various shipping options.

Magento, add a custom attribute to a customer address

I'm looking for a way to add a drop down for a customer's address (during registration, editing, checkout, etc..) that indicates whether or not it is a Residential or Business address. I have spent hours going through tutorials but they are all out of date or poorly written. I have read 6 different ones telling me how to do the same thing 6 different ways. Can someone outline a simple process that you need to do in order to add a custom attribute to an address? I'm on Magento 1.6
Try something like this tutorial at Fontis: Know More About Your Customers - Adding Custom Signup Attributes
Whilst this was written for 1.3.2.4, most (if not all) is still relevant for 1.6. I've done a very similar thing by allowing a customer to choose the customer group they wish to belong to, by following these directions.
Oh, and there are some great comments on the post as well.
These tutorials should give you a good idea how to do what you want:
http://www.unexpectedit.com/magento/add-new-customer-attribute-onepage-magento-checkout
http://www.excellencemagentoblog.com/magento-adding-custom-field-to-customer-address
Best regards

Virtuemart Coupon Plugin based on quantity not value

I've had a look at available Virtuemart plugins and I can't find anything close to what I am after. This is what I need.
Allow admin user to create coupon codes. An import feature would be nice as there will be thousands but I can handle this bit if needed anyway.
The admin user selects the number of products the customer is allowed for each coupon code.
When the customer uses the coupon code they are allowed to choose any product on the website up to the total amount of products issued to the coupon. Regardless of the products price.
Nice extra would be to allow free shipping with the coupon.
I've looked at the possibility of extending virtuemart and I think it would be possible. It would however require quite a lot of changes and if I can find something that is halfway there it would help me on my way.
Thanks in advance.
OK well time was running out and I didn't get an answer so I rolled my own. It was actually fairly painless. I can't release the code but I can give you a good idea of the steps and a direction to go in.
extend vm_ps_coupon and override the update, add and process methods. Add and update should only require a change to the array that is sent to the DB. See here for more info on extending classes
Alter the enum in the database to allow for quantity as well as total and percent.
Within your new update method handle the variation of quantity to do as you need.
In the update method you can also set a flag for free shipping in a session variable.
In templates/checkout edit list_shipping_methods.php. Simply check for the free shipping flag and load the free_shipping class. You can then call free_shipping->list_rates($vars);
extend vm_ps_checkout, override the add method, call the parent add method and then check the result so you can delete the session variable for the free shipping.
Finally you will need to make some changes in the HTML. Unfortunatly i could not find a way to override this easily and since its only two small changes to the markup i just went ahead and hacked the core. If anyone knows of another way that would be great? I did see something online about using a Joomla hook and a System plugin but I'd rather keep it reliant on Virtuemart only.
In administrator/components/com_virtuemart/html/ edit coupon.coupon_form.php to show the new quantity radio button.
Then edit coupon.coupon_list.php to display the correct values. Currently it will only display percent and total.
Hope this helps someone in the future. If you need some assistance then post on here and I'll be happy to help.

how to add more simple products into configurable products using magento API

How can I simply add new simple products incrementally to configurable products?
or do I still need to retrieve the 2 original arrays of the pre-defined configurable product (getConfigurableAttributesData and getConfigurableProductsData) first, append the new arrays and set them again? Is it worked for my case just as the first-time creation?
And if the new simple product owns a new attribute / attribute options, do I also need to create /edit the attribute first before adding?
Thanks in advance!
The API as it stands does not have the functionality to do this.
Your options are:
Extend the API. (Hours of fun)
Do it with Magento methods in your own module or standalone code that includes Mage.php.
SQL script mixed in with your existing API code.
Buy someone's module - (Hope your German is good)
The approach you take also depends on your SKU naming scheme, if you have a simple BASECODE-SIZE-COLOUR type of scheme then the SQL option can work a treat, and in next to no time, but will be heavily scorned on by Magento evangelists.
That means you are probably going to have to write your own code. Here is a very useful site that should help get you started:
http://www.ayasoftware.com/
As well as being able to import configurables (by a variety of means including SQL) there are also snippets of code useful for updating superattribute price differentials. No readymade complete solution, but, you may need to roll your own anyway depending on your SKU naming scheme.
Whilst you are at it you may also want to write some code to find simple products that are not hooked up to anything when they should be, i,e. the ones with no visibility.

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