10 Compute Units.
Reference: Here
Parameters
txids - json array, required
The txids to filter
blockhash - string, optional
If specified, looks for txid in the block with this hash
Blockchain RPCs
gettxoutproof
Returns a hex-encoded proof that “txid” was included in a block.
NOTE: By default this function only works sometimes. This is when there is an unspent output in the utxo for this transaction. To make it always work, you need to maintain a transaction index, using the -txindex command line option or specify the block in which the transaction is included manually (by blockhash).
This method will use