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I am trying to build a transactional system that:

  1. Generates a new address for each customer.
  2. Waits for the confirmed balance on the address to reach a certain value.
  3. Launches a function once the balance condition is met.

I am currently using a while loop with polling to accomplish this, but it will not scale up properly for my intended use case.

Is there a way to register some kind of callback when a transaction is received to one of my wallet addresses and get rid of polling ?

Thank you all

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  • Please clarify whether you are generating a full master wallet address for each customer, or whether you are just generating a subaddress (with each subaddress part of the same wallet) for each customer.
    – knaccc
    Commented May 30, 2018 at 16:06
  • @knacc Subaddress for each customer. I am creating a new address with monero-python using wallet.new_address(). I believe it means this is a subaddress but I am still new at this. Would be awesome to be able to call a script when there is an incoming transaction to a local address.
    – Jopela
    Commented May 30, 2018 at 18:29
  • I'm not familiar with monero-python, but unless you have code that talks to the daemon directly you are going to have to poll. You may find a method in getmonero.org/resources/developer-guides/wallet-rpc.html that allows you to see only the latest incoming transfers, rather than listing every single balance for every single subaddress.
    – knaccc
    Commented May 31, 2018 at 0:13
  • @knaccc alright, I believe you are right and I have no other choice but to poll. Thx
    – Jopela
    Commented May 31, 2018 at 17:06

1 Answer 1

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You will need to poll if using the RPC interfaces to daemon / wallet.

but it will not scale up properly for my intended use case

Nothing wrong with polling with regards to scaling. Just run the polling requests in a separate thread notifying your other code at appropriate times (e.g. when you detect new incoming transfers).

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