Create a transaction for a payment order. Create a payment order to purchase territory for target_acc. Specify the space size and time of the territory to be paid for by gib_count and days. order_type specifies whether the order type is purchase, expansion or renewal.
/// Creates a payment order to purchase, expand, or renew a territory for a specified account.////// This function creates a payment order for the `target_acc` to purchase a territory./// The space size and duration of the territory are specified by `gib_count` and `days`, respectively./// The `order_type` parameter specifies whether the order is for a purchase, expansion, or renewal.////// # Arguments////// * `target_acc` - A reference to a string slice that holds the target account for the payment order./// * `territory_name` - A reference to a string slice that holds the name of the territory./// * `order_type` - The type of order (purchase, expansion, or renewal)./// * `gib_count` - The amount of space in GiB to be purchased./// * `days` - The duration in days for which the territory is to be purchased./// * `expired` - The expiration timestamp for the order.////// # Returns////// This function returns a `Result` which is:/// * `Ok((TxHash, CreatePayOrder))` - A tuple containing the transaction hash and the `CreatePayOrder` struct./// * `Err(Box<dyn std::error::Error>)` - An error if the transaction fails.///pubasyncfncreate_order(&self, target_acc:&str, territory_name:&str, order_type:OrderType, gib_count:u32, days:u32, expired:u32,) ->Result<(TxHash, CreatePayOrder), Box<dyn std::error::Error>>