GetUtxoReturnAddress
Input: txid and accepting_block_daa_score
Output: return_address -> Option<Address>
Notes:
When this call finds an address, it is guaranteed that the address is from the first input of the transaction that produced your UTXO. If the algorithm cannot find a return address (there are many reasons why it might not be able to), it will return None
GetUtxoReturnAddress
Input:txid
andaccepting_block_daa_score
Output:return_address
->Option<Address>
Notes:
None