8a36acdb1a
## Issue Addressed
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Removed some unnecessary `mut`. 🙂
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## Proposed Changes
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## Additional Info
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63 lines
2.4 KiB
Rust
63 lines
2.4 KiB
Rust
use clap::ArgMatches;
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use environment::Environment;
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use eth2_network_config::Eth2NetworkConfig;
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use genesis::{Eth1Config, Eth1Endpoint, Eth1GenesisService};
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use sensitive_url::SensitiveUrl;
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use ssz::Encode;
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use std::cmp::max;
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use std::path::PathBuf;
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use std::time::Duration;
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use types::EthSpec;
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/// Interval between polling the eth1 node for genesis information.
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pub const ETH1_GENESIS_UPDATE_INTERVAL: Duration = Duration::from_millis(7_000);
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pub fn run<T: EthSpec>(
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env: Environment<T>,
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testnet_dir: PathBuf,
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matches: &ArgMatches<'_>,
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) -> Result<(), String> {
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let endpoints = matches
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.value_of("eth1-endpoint")
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.map(|e| {
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warn!("The --eth1-endpoint flag is deprecated. Please use --eth1-endpoints instead");
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String::from(e)
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})
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.or_else(|| matches.value_of("eth1-endpoints").map(String::from));
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let mut eth2_network_config = Eth2NetworkConfig::load(testnet_dir.clone())?;
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let spec = eth2_network_config.chain_spec::<T>()?;
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let mut config = Eth1Config::default();
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if let Some(v) = endpoints.clone() {
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let endpoint = SensitiveUrl::parse(&v)
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.map_err(|e| format!("Unable to parse eth1 endpoint URL: {:?}", e))?;
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config.endpoint = Eth1Endpoint::NoAuth(endpoint);
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}
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config.deposit_contract_address = format!("{:?}", spec.deposit_contract_address);
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config.deposit_contract_deploy_block = eth2_network_config.deposit_contract_deploy_block;
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config.lowest_cached_block_number = eth2_network_config.deposit_contract_deploy_block;
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config.follow_distance = spec.eth1_follow_distance / 2;
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config.node_far_behind_seconds = max(5, config.follow_distance) * spec.seconds_per_eth1_block;
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let genesis_service =
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Eth1GenesisService::new(config, env.core_context().log().clone(), spec.clone())?;
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env.runtime().block_on(async {
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let _ = genesis_service
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.wait_for_genesis_state::<T>(ETH1_GENESIS_UPDATE_INTERVAL, spec)
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.await
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.map(move |genesis_state| {
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eth2_network_config.genesis_state_bytes = Some(genesis_state.as_ssz_bytes());
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eth2_network_config.force_write_to_file(testnet_dir)
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})
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.map_err(|e| format!("Failed to find genesis: {}", e))?;
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info!("Starting service to produce genesis BeaconState from eth1");
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info!("Connecting to eth1 http endpoints: {:?}", endpoints);
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Ok(())
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})
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}
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