How to use the iroha.IrohaCrypto.hash function in iroha

def send_transaction_and_print_status(transaction):
    global net
    hex_hash = binascii.hexlify(ic.hash(transaction))
    print('Transaction hash = {}, creator = {}'.format(
        hex_hash, transaction.payload.reduced_payload.creator_account_id))
    net.send_tx(transaction)
    for status in net.tx_status_stream(transaction):
        print(status)

def send_transaction_and_print_status(transaction):
    hex_hash = binascii.hexlify(IrohaCrypto.hash(transaction))
    print('Transaction hash = {}, creator = {}'.format(
        hex_hash, transaction.payload.reduced_payload.creator_account_id))
    net.send_tx(transaction)
    for status in net.tx_status_stream(transaction):
        print(status)

def send_batch_and_print_status(transactions):
    global net
    net.send_txs(transactions)
    for tx in transactions:
        hex_hash = binascii.hexlify(ic.hash(tx))
        print('\t' + '-' * 20)
        print('Transaction hash = {}, creator = {}'.format(
            hex_hash, tx.payload.reduced_payload.creator_account_id))
        for status in net.tx_status_stream(tx):
            print(status)