a67fa5f4a4
## Issue Addressed - Resolves #1722 ## Proposed Changes This extends @danielschonfeld's work in #1739 with: - Use an empty boot node list - Remove the genesis state ## Additional Info NA Co-authored-by: Daniel Schonfeld <daniel@schonfeld.org>
58 lines
1.8 KiB
Rust
58 lines
1.8 KiB
Rust
//! Downloads a testnet configuration from Github.
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use eth2_config::{altona, medalla, spadina, zinken, Eth2NetArchiveAndDirectory};
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use std::fs;
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use std::fs::File;
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use std::io;
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use zip::ZipArchive;
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const ETH2_NET_DIRS: &[Eth2NetArchiveAndDirectory<'static>] = &[
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altona::ETH2_NET_DIR,
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medalla::ETH2_NET_DIR,
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spadina::ETH2_NET_DIR,
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zinken::ETH2_NET_DIR,
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];
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fn main() {
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for testnet in ETH2_NET_DIRS {
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match uncompress(testnet) {
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Ok(()) => (),
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Err(e) => panic!("Failed to uncompress testnet zip file: {}", e),
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}
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}
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}
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/// Uncompress the testnet configs archive into a testnet configs folder.
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fn uncompress(testnet: &Eth2NetArchiveAndDirectory<'static>) -> Result<(), String> {
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let archive_file = File::open(&testnet.archive_fullpath())
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.map_err(|e| format!("Failed to open archive file: {:?}", e))?;
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let mut archive =
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ZipArchive::new(archive_file).map_err(|e| format!("Error with zip file: {}", e))?;
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// Create testnet dir
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fs::create_dir_all(testnet.dir())
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.map_err(|e| format!("Failed to create testnet directory: {:?}", e))?;
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// Create empty genesis.ssz if genesis is unknown
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if !testnet.genesis_is_known {
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File::create(testnet.dir().join("genesis.ssz"))
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.map_err(|e| format!("Failed to create genesis.ssz: {}", e))?;
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}
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for i in 0..archive.len() {
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let mut file = archive
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.by_index(i)
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.map_err(|e| format!("Error retrieving file {} inside zip: {}", i, e))?;
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let path = testnet.dir().join(file.name());
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let mut outfile = File::create(&path)
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.map_err(|e| format!("Error while creating file {:?}: {}", path, e))?;
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io::copy(&mut file, &mut outfile)
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.map_err(|e| format!("Error writing file {:?}: {}", path, e))?;
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}
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Ok(())
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}
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