isfinaltransaction "txid" ( "blockhash" ) Check if a transaction has been finalized by avalanche votes. Arguments: 1. txid (string, required) The id of the transaction. 2. blockhash (string, optional) The block in which to look for the transaction Result: true|false (boolean) Whether the transaction has been finalized by avalanche votes. Examples: > curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "isfinaltransaction", "params": [<txid> <blockhash>]}' -H 'content-type: text/plain;' http://127.0.0.1:8332/ > bitcoin-cli isfinaltransaction <txid> <blockhash>