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shgraph.hedera-protobuf-java-api.0.56.2.source-code.address_book_service.proto Maven / Gradle / Ivy

syntax = "proto3";

package proto;

/*
 * Copyright (C) 2024 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.
 */

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

import "query.proto";
import "response.proto";
import "transaction_response.proto";
import "transaction.proto";

/**
 * The Address Book service provides the ability for Hedera network node
 * administrators to add, update, and remove consensus nodes. This addition,
 * update, or removal of a consensus node requires governing council approval,
 * but each node operator may update their own operational attributes without
 * additional approval, reducing overhead for routine operations.
 *
 * Most operations are `privileged operations` and require governing council
 * approval.
 *
 * ### For a node creation transaction.
 * - The node operator SHALL create a `createNode` transaction.
 *    - The node operator SHALL sign this transaction with the active `key` for
 *      the account to be assigned as the "node account".
 *    - The node operator MUST deliver the signed transaction to the Hedera
 *      council representative.
 *    - The Hedera council representative SHALL arrange for council members to
 *      review and sign the transaction.
 *    - Once sufficient council members have signed the transaction, the
 *      Hedera council representative SHALL submit the transaction to the
 *      network.
 * - Upon receipt of a valid and signed node creation transaction the network
 *   software SHALL
 *    - Validate the threshold signature for the Hedera governing council
 *    - Validate the signature of the active `key` for the account to be
 *      assigned as the "node account".
 *    - Create the new node in state, this new node SHALL NOT be active in the
 *      network at this time.
 *    - When executing the next `freeze` transaction with `freeze_type` set to
 *      `PREPARE_UPGRADE`, update network configuration and bring the
 *      new node to an active status within the network. The node to be added
 *      SHALL be active in the network following this upgrade.
 *
 * ### For a node deletion transaction.
 * - The node operator or Hedera council representative SHALL create a
 *   `deleteNode` transaction.
 *    - If the node operator creates the transaction
 *       - The node operator MUST sign this transaction with the active `key`
 *         for the account assigned as the "node account".
 *       - The node operator SHALL deliver the signed transaction to the Hedera
 *         council representative.
 *    - The Hedera council representative SHALL arrange for council members to
 *      review and sign the transaction.
 *    - Once sufficient council members have signed the transaction, the
 *      Hedera council representative SHALL submit the transaction to the
 *      network.
 * - Upon receipt of a valid and signed node deletion transaction the network
 *   software SHALL
 *    - Validate the threshold signature for the Hedera governing council
 *    - Remove the existing node from network state. The node SHALL still
 *      be active in the network at this time.
 *    - When executing the next `freeze` transaction with `freeze_type` set to
 *      `PREPARE_UPGRADE`, update network configuration and remove the
 *      node to be deleted from the network. The node to be deleted SHALL NOT
 *      be active in the network following this upgrade.
 *
 * ### For a node update transaction.
 * - The node operator SHALL create an `updateNode` transaction.
 *    - The node operator MUST sign this transaction with the active `key`
 *      assigned as the `admin_key`.
 *    - The node operator SHALL submit the transaction to the
 *      network.  Hedera council approval SHALL NOT be sought for this
 *      transaction
 * - Upon receipt of a valid and signed node update transaction the network
 *   software SHALL
 *    - If the transaction modifies the value of the "node account",
 *       - Validate the signature of the active `key` for the account
 *         assigned as the _current_ "node account".
 *       - Validate the signature of the active `key` for the account to be
 *         assigned as the _new_ "node account".
 *    - Modify the node information held in network state with the changes
 *      requested in the update transaction. The node changes SHALL NOT be
 *      applied to network configuration, and SHALL NOT affect network
 *      operation at this time.
 *    - When executing the next `freeze` transaction with `freeze_type` set to
 *      `PREPARE_UPGRADE`, update network configuration according to the
 *      modified information in network state. The requested changes SHALL
 *      affect network operation following this upgrade.
 */
service AddressBookService {
    /**
     * A transaction to create a new consensus node in the network.
     * address book.
     * 

     * This transaction, once complete, SHALL add a new consensus node to the
     * network state.

     * The new consensus node SHALL remain in state, but SHALL NOT participate
     * in network consensus until the network updates the network configuration.
     * 

     * Hedera governing council authorization is REQUIRED for this transaction.
     */
    rpc createNode (proto.Transaction) returns (proto.TransactionResponse);

    /**
     * A transaction to remove a consensus node from the network address
     * book.
     * 

     * This transaction, once complete, SHALL remove the identified consensus
     * node from the network state.
     * 

     * Hedera governing council authorization is REQUIRED for this transaction.
     */
    rpc deleteNode (proto.Transaction) returns (proto.TransactionResponse);

    /**
     * A transaction to update an existing consensus node from the network
     * address book.
     * 

     * This transaction, once complete, SHALL modify the identified consensus
     * node state as requested.
     * 

     * This transaction is authorized by the node operator
     */
    rpc updateNode (proto.Transaction) returns (proto.TransactionResponse);
}