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Fix issues with testnet dir, update docs (#992)

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* Fix issues with testnet dir, update docs

* Remove "simple testnet" docs

* Tear out old "bn testnet" stuff

* Add back ClientGenesis::Interop

* Tidy

* Remove lighthouse-bootstrap module

* Fix bug with spec constant mismatch

* Ensure beacon-node.toml is written to correct dir

* Add -t alias for --testnet-dir

* Update book/src/local-testnets.md

Co-Authored-By: Age Manning <Age@AgeManning.com>

* Add --purge CLI flag

* Update purge docs

* Perform manual delete of files in purge

* Rename --purge to --purge-db

* Address Michael's comments

Co-authored-by: Age Manning <Age@AgeManning.com>
This commit is contained in:
Paul Hauner
2020-04-17 17:49:29 +10:00
committed by GitHub
parent a8ee3389c2
commit 1a3d1b3077
23 changed files with 280 additions and 1139 deletions
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42
eth2/utils/eth2_config/src/lib.rs
View File

@@ -1,7 +1,4 @@
use serde_derive::{Deserialize, Serialize};
use std::fs::File;
use std::io::prelude::*;
use std::path::PathBuf;
use types::ChainSpec;
/// The core configuration of a Lighthouse beacon node.
@@ -44,45 +41,6 @@ impl Eth2Config {
}
}
/// Write a configuration to file.
pub fn write_to_file<T>(path: PathBuf, config: &T) -> Result<(), String>
where
T: Default + serde::de::DeserializeOwned + serde::Serialize,
{
if let Ok(mut file) = File::create(path.clone()) {
let toml_encoded = toml::to_string(&config).map_err(|e| {
format!(
"Failed to write configuration to {:?}. Error: {:?}",
path, e
)
})?;
file.write_all(toml_encoded.as_bytes())
.unwrap_or_else(|_| panic!("Unable to write to {:?}", path));
}
Ok(())
}
/// Loads a `ClientConfig` from file. If unable to load from file, generates a default
/// configuration and saves that as a sample file.
pub fn read_from_file<T>(path: PathBuf) -> Result<Option<T>, String>
where
T: Default + serde::de::DeserializeOwned + serde::Serialize,
{
if let Ok(mut file) = File::open(path.clone()) {
let mut contents = String::new();
file.read_to_string(&mut contents)
.map_err(|e| format!("Unable to read {:?}. Error: {:?}", path, e))?;
let config = toml::from_str(&contents)
.map_err(|e| format!("Unable to parse {:?}: {:?}", path, e))?;
Ok(Some(config))
} else {
Ok(None)
}
}
#[cfg(test)]
mod tests {
use super::*;