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syntax = "proto3";

package proto;

/*-
 *
 * Hedera Network Services Protobuf
 *
 * Copyright (C) 2023 Hedera Hashgraph, LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

import "basic_types.proto";
import "timestamp.proto";
import "schedulable_transaction_body.proto";
import "transaction_body.proto";

option java_package = "com.hederahashgraph.api.proto.java";
// <<>> This comment is special code for setting PBJ Compiler java package
option java_multiple_files = true;

/**
 * Representation of a Hedera Schedule entry in the network Merkle tree.
 *
 * As with all network entities, a schedule has a unique entity number, which is usually given along
 * with the network's shard and realm in the form of a shard.realm.number id.
 */
message Schedule {
    /**
     * This schedule's unique ID within the global network state.
     */
    ScheduleID schedule_id = 1;

    /**
     * The schedule deleted flag
     * A schedule will either be executed or deleted, but never both.
     */
    bool deleted = 2;

    /**
     * The schedule executed flag
     * A schedule will either be executed or deleted, but never both.
     */
    bool executed = 3;

    /**
     * The schedule flag to wait for expiration
     * A schedule will be executed immediately when all necessary signatures are gathered, unless
     * this flag is set.  If this flag is set, the schedule will wait until the consensus time
     * reaches expiration_time_provided, when signatures will again be verified, and if all
     * required signatures are present at that time, the schedule will be executed.  Otherwise
     * the schedule will expire without execution.
     * Note that a schedule is always removed from state when it expires, regardless of whether it
     * was executed or not.
     */
    bool wait_for_expiry = 4;

    /**
     * The memo associated with this schedule.
     */
    string memo = 5;

    /**
     * The schedule account for this schedule.  This is the account that submitted the original
     * ScheduleCreate transaction.
     */
    AccountID scheduler_account_id = 6;

    /**
     * The explicit payer account for the scheduled transaction.
     * This account is added to the accounts that must sign the schedule before it will execute.
     */
    AccountID payer_account_id = 7;

    /**
     * The admin key for this schedule.
     * If this is not set, then the schedule cannot be deleted.
     */
    Key admin_key = 8;

    /**
     * The transaction valid start value from the transaction that created this schedule.
     */
    Timestamp schedule_valid_start = 9;

    /**
     * The requested expiration time of the schedule as provided by the user.
     * The actual calculated expiration time may be "earlier" than this, but will not be later.
     */
    int64 provided_expiration_second = 10;

    /**
     * The calculated expiration time of the schedule.  This is calculated based on the requested
     * expiration time from the create transaction, and the maximum expiration permitted by the
     * network.
     * The schedule will be removed from global network state after the network reaches a consensus
     * time greater than or equal to this value.
     */
    int64 calculated_expiration_second = 11;

    /**
     * The consensus timestamp of the transaction that executed or deleted this schedule.
     */
    Timestamp resolution_time = 12;

    /**
     * The scheduled transaction to execute.
     */
    SchedulableTransactionBody scheduled_transaction = 13;

    /**
     * The full transaction that created this schedule.  This is primarily used for duplicate
     * schedule create detection.  This is also the source of the parent transaction ID, from
     * which the child transaction ID is derived.
     */
    TransactionBody original_create_transaction = 14;

    /**
     * All the primitive keys that have already signed this schedule.
     * The scheduled transaction will not be executed before this list is
     * sufficient to "activate" the required keys for the scheduled transaction.
     */
    repeated Key signatories = 15;
}

/**
 * A message for storing a list of schedules in state.
 * This is used to store lists of schedules that expire at a particular time or that have the same
 * simplified hash code.
 */
message ScheduleList {
  /**
   * a list of schedules, in no particular order.
   */
  repeated Schedule schedules = 1;
}




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