feat(rgbpp): calculate the pending rgbpp balance

[ahonn]

Calculate the pending RGB++ balance by using unconfirmed UTXOs, and return in the corresponding xUDT balance as the pending_amount field

In the previous PR, #146, we collected bound RGB++ cells and calculated balances (xUDT by default; we support xUDT only for now). In this PR, We calculate the pending RGB++ balances by using unconfirmed UTXOs, and follow the following logic to implement:

• Get unconfirmed UTXOs by the btc_address
• Retrieve uncompleted jobs through unconfirmed UTXO txid
• Get output cells from ckbVirtualResult.ckbRawTx in job data
• Filter output cells by type script to make sure they are xUDT
• Calculate the pending amount and put them in the balances response

Tasks

• Update existing tests, change the unique cell decode case to PDD
  • context: feat: add /rgbpp/v1/address/:address/balance for get bound xUDT balance #146 (comment))
• Calculate the pending rgbpp balance and improve code readability
• Add more unit tests to make sure xUDT balances collect and calculate correctly

References

• Get bound xUDT balance by btc address #133 (comment)

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Name	Status	Preview	Comments	Updated (UTC)
btc-assets-api	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 3, 2024 6:51am

[Flouse]

Let's merge this PR into the testing workflow, and check #155 (comment) later.