coinpay | Payment QR code generator for multi cryptocurrencies | QRCode Processing library
kandi X-RAY | coinpay Summary
kandi X-RAY | coinpay Summary
Payment QR-Code generator for multi cryptocurrencies. CoinPay is a simple PHP script for stores or freelancers accepting cryptocurrencies as a payment. First of all, I'm sorry if the code isn't clean, I did this on my spare time for my website. You can find a demo here:
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of coinpay
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QUESTION
So here is my problem, I work with Express JS, I am setting up payments with coinPayments, everything work npm coinpayments, however I couldn't get any body with the IPN
...ANSWER
Answered 2021-Jun-14 at 18:09From the coinpayment documentation
It is implemented by making a standard HTTP POST (application/x-www-form-urlencoded) call over a https:// or http:// URL to a script or CGI program on your server.
In your Express server, you may need to add the middleware to parse requests in urlencoded format:
QUESTION
I am trying to create an HTML dropdown-menu that would send its value to other HTML input tags through Javascript before being sent to Coinpayment by POST method. Obviously...something's not working, "itemval" and "amountval" don't seem to get the value from Javascript.
...ANSWER
Answered 2020-Nov-11 at 18:37Just made the following modification:
QUESTION
I'm writing Django app and want to send out tokens using Web3 once Coinpayments sends me callback about successfull payment. The problem is that Coinpayments sends multiple callbacks at once and just in one case tokens are sending, other callbacks get replacement transaction underpriced error
. I've already tried to use solutions like add +1 to nonce
or remove this parameter, but that doesn't help me because transactions are still building with the same nonce. How can that be fixed or what am I doing wrong?
ANSWER
Answered 2020-Mar-30 at 22:08Ok, let the web know answer and solution that I found out by myself
Each transaction should have unique nonce, so I noticed that if I do a loop for sending transactions and set nonce
as w3.eth.getTransactionCount(WALLET_ADDRESS) + index
then it sends all transactions without any errors. So I removed instant coins sending (even removed waitForTransactionReceipt
to speed up it), and made management command where I process all payouts and if it was sent successfully I assign its tx_hash
and run it every 10 minutes with Heroku Scheduler
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