/**
 * # Fee Schedule Update
 * Transaction to update the fee schedule for a token. A token creator may
 * wish to charge custom transaction fees for a token type, and if a
 * `fee_schedule_key` is assigned, this transaction enables adding, removing,
 * or updating those custom transaction fees.
 *
 * ### Keywords
 * The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
 * "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
 * document are to be interpreted as described in
 * [RFC2119](https://www.ietf.org/rfc/rfc2119) and clarified in
 * [RFC8174](https://www.ietf.org/rfc/rfc8174).
 */
syntax = "proto3";

package proto;

// SPDX-License-Identifier: Apache-2.0
option java_package = "com.hederahashgraph.api.proto.java";
// <<<pbj.java_package = "com.hedera.hapi.node.token">>> This comment is special code for setting PBJ Compiler java package
option java_multiple_files = true;

import "services_basic_types.proto";
import "services_custom_fees.proto";

/**
 * Update the custom fee schedule for a token type.
 *
 * The token MUST have a `fee_schedule_key` set and that key MUST NOT
 * be an empty `KeyList`.<br/>
 * The token `fee_schedule_key` MUST sign this transaction.<br/>
 * The token MUST exist, MUST NOT be deleted, and MUST NOT be expired.<br/>
 *
 * If the custom_fees list is empty, clears the fee schedule or resolves to
 * CUSTOM_SCHEDULE_ALREADY_HAS_NO_FEES if the fee schedule was already empty.
 *
 * ### Block Stream Effects
 * None
 */
message TokenFeeScheduleUpdateTransactionBody {
    /**
     * A token identifier.
     * <p>
     * This SHALL identify the token type to modify with an updated
     * custom fee schedule.<br/>
     * The identified token MUST exist, and MUST NOT be deleted.
     */
    TokenID token_id = 1;

    /**
     * A list of custom fees representing a fee schedule.
     * <p>
     * This list MAY be empty to remove custom fees from a token.<br/>
     * If the identified token is a non-fungible/unique type, the entries
     * in this list MUST NOT declare a `fractional_fee`.<br/>
     * If the identified token is a fungible/common type, the entries in this
     * list MUST NOT declare a `royalty_fee`.<br/>
     * Any token type MAY include entries that declare a `fixed_fee`.
     */
    repeated CustomFee custom_fees = 2;
}