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/*
*
* Hedera Rust SDK
*
* Copyright (C) 2022 - 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.
*
*/
use clap::Parser;
use hedera::{AccountId, Client, PrivateKey, PrngTransaction};
#[derive(Parser, Debug)]
struct Args {
#[clap(long, env)]
operator_account_id: AccountId,
#[clap(long, env)]
operator_key: PrivateKey,
#[clap(long, env, default_value = "testnet")]
hedera_network: String,
}
#[tokio::main]
async fn main() -> anyhow::Result<()> {
let _ = dotenvy::dotenv();
let args = Args::parse();
let client = Client::for_name(&args.hedera_network)?;
client.set_operator(args.operator_account_id, args.operator_key);
let record = PrngTransaction::new()
.range(100)
.execute(&client)
.await?
.get_record(&client)
.await?;
println!("generated random number = {:?}", record.prng_number);
Ok(())
}