I'm looking to build a Monero web wallet, but I'm not sure how to go about querying the remote Monero nodes to get an updated balance of an address. Let's say I have the Monero private keys, how do I get the balance from a remote RPC API Monero node? What is the API call I need to make? Is there an example of how this is done?
asked Jun 7, 2018 at 15:12
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1 Answer
You'll want to use the monero-wallet-rpc. Documentation for the API methods are here.
Note, this is a different application than the main Monero daemon monerod.
UPDATE based on comments:
If you don't want to work with wallet files you will need to implement something like this. You'll see it invokes a daemon RPC method /get_address_info with parameters address and view_key.
answered Jun 7, 2018 at 17:21
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which of those api calls do I pass my private key to do a rescan to get a balance? Jun 7, 2018 at 18:23
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You would store the wallet on the same machine as the RPC and call open_wallet the getbalance– jtgrassie ♦Jun 7, 2018 at 18:59
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I don't want to store my wallet on the same machine. I want to make something like mymonero web wallet where I can just get the balance of a private key. Say I have 100 users on my web application and each one has their own monero private key. How would I update the balance for each of these users? What is the RPC api call where I can pass in the private key to do a scan to get the total balance like how monero mobile wallets do it now. Jun 7, 2018 at 20:01
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