File: contracts/codedestate/src/state.rs
pub struct TokenInfo<T> {
    /// The owner of the newly minted NFT
    pub owner: Addr,
    pub approvals: Vec<Approval>,
    pub longterm_rental: LongTermRental,
    pub shortterm_rental: ShortTermRental,
    pub rentals: Vec<Rental>,  // <-- rental information is stored here
    pub bids: Vec<Bid>,
    pub sell: Sell,
    pub token_uri: Option<String>,
    pub extension: T,
}

File: contracts/codedestate/src/execute.rs
pub fn setlistforshorttermrental(
    //...
    //... function arguments
    //...
) -> Result<Response<C>, ContractError> {
    ...
    ... snipped
    ...
    let traveler = Rental {
        denom:token.shortterm_rental.denom.clone(),
        rental_type:false,
        approved_date:None,
        deposit_amount: Uint128::from(rent_amount),
        renting_period: vec![new_checkin_timestamp, new_checkout_timestamp],
        address: Some(info.sender.clone()),
        approved: token.shortterm_rental.auto_approve,
        cancelled:false,
        guests:guests,
    };

    // token.shortterm_rental.deposit_amount += sent_amount;
    token
        .rentals
        .insert(placetoreserve as usize, traveler); // deposited amount is stored in rentals vector
    ...
    ... snipped
    ...
}

fn burn(
    &self,
    deps: DepsMut,
    env: Env,
    info: MessageInfo,
    token_id: String,
) -> Result<Response<C>, ContractError> {
    let token = self.tokens.load(deps.storage, &token_id)?;
    self.check_can_send(deps.as_ref(), &env, &info, &token)?; // <-- Only checks ownership or approval

    self.tokens.remove(deps.storage, &token_id)?;  // <-- Deletes all token data including saved rentals vector
    self.decrement_tokens(deps.storage)?;

    Ok(Response::new()
        .add_attribute("action", "burn")
        .add_attribute("sender", info.sender)
        .add_attribute("token_id", token_id))
}
