set_validators.rs

// Copyright Rivtower Technologies 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 crate::config::chain_config::ConfigStage;
use crate::constant::CHAIN_CONFIG_FILE;
use crate::error::Error;
use crate::util::{check_address, read_chain_config, write_toml};
use clap::Parser;

/// A subcommand for run
#[derive(Parser, Debug, Clone)]
pub struct SetValidatorsOpts {
    /// set chain name
    #[clap(long = "chain-name", default_value = "test-chain")]
    pub chain_name: String,
    /// set config file directory, default means current directory
    #[clap(long = "config-dir", default_value = ".")]
    pub config_dir: String,
    /// validators account splited by ','
    #[clap(long = "validators")]
    pub validators: String,
}

/// execute set validators
pub fn execute_set_validators(opts: SetValidatorsOpts) -> Result<(), Error> {
    // load chain_config
    let file_name = format!(
        "{}/{}/{}",
        &opts.config_dir, &opts.chain_name, CHAIN_CONFIG_FILE
    );
    let mut chain_config = read_chain_config(&file_name).unwrap();

    if chain_config.stage != ConfigStage::Public {
        return Err(Error::InvalidStage);
    }

    let validators: Vec<&str> = opts.validators.split(',').collect();

    chain_config.set_validators(
        validators
            .iter()
            .map(|x| check_address(&x[..]).to_string())
            .collect(),
    );

    // store chain_config
    write_toml(&chain_config, file_name);

    Ok(())
}