feat: check recent confirmed utxos to void missing pending xudt

[ahonn]

• resolve When the ckb transaction is pending, querying the get_balance api returns [ ] #166

• send xudt to an empty account
• When a btc transaction is pending, get_balance can obtain xudt information.
• After the btc transaction is confirmed, get_balance obtains an array of xudt [];
• The data can only be queried after the ckb transaction is processed.

Get the confirmed txid within the last 20 minutes to avoid missing xUDT where the BTC transaction has been confirmed but the CKB transaction is still pending

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
btc-assets-api	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 19, 2024 6:21am

[ShookLyngs]

Is it possible to identify RGBPP UTXOs with the pending jobs in the queue?

[ahonn]

Yes, that's another way to accomplish this, but the transaction queue may contain many pending jobs. We need to retrieve transaction details using the pending jobs' txid to determine if the transaction belongs to the current address.

Also, the number of pending jobs might exceed the number of transactions that have occurred within the last 20 minutes by the current address.

The issue here is that we cannot obtain the pending amount between the BTC transaction being confirmed and the CKB transaction being confirmed. Therefore, I believe it is sufficient to obtain the confirmed BTC transactions 20 minutes before the current time would work and have minimal modification.