stream.output.util_service.proto Maven / Gradle / Ivy
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/**
* # Util Service
* Block stream messages that report the results of transactions handled by
* the `Util` service.
*
* ### 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 com.hedera.hapi.block.stream.output;
/*
* 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.hedera.hapi.block.stream.output.protoc";
// <<>> This comment is special code for setting PBJ Compiler java package
option java_multiple_files = true;
/**
* Block data produced by `prng` transactions submitted to the `Util` service.
*
* The `entropy` reported in this block stream message is deterministically
* produced, but has high dispersion and is very difficult to predict.
*
* This message SHALL NOT duplicate information already contained in
* the original transaction.
*/
message UtilPrngOutput {
oneof entropy {
/**
* A deterministic pseudo-random sequence of 48 bytes.
*
* This value SHALL be the result of a corresponding
* `UtilService` `prng` transaction.
*/
bytes prng_bytes = 1;
/**
* A deterministic pseudo-random number generated within a
* specified range.
*
* This value SHALL be the result of a corresponding `UtilService`
* `prng` transaction.
* Note that the transaction only permits a non-negative range, the
* output SHALL always be a whole number.
*/
uint32 prng_number = 2;
}
}