32 lines
1.1 KiB
Rust
32 lines
1.1 KiB
Rust
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mod common;
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mod eth1_genesis_service;
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mod interop;
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pub use eth1::Config as Eth1Config;
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pub use eth1_genesis_service::Eth1GenesisService;
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pub use interop::{interop_genesis_state, recent_genesis_time};
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pub use types::test_utils::generate_deterministic_keypairs;
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use ssz::Decode;
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use std::fs::File;
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use std::io::prelude::*;
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use std::path::PathBuf;
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use types::{BeaconState, EthSpec};
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/// Load a `BeaconState` from the given `path`. The file should contain raw SSZ bytes (i.e., no
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/// ASCII encoding or schema).
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pub fn state_from_ssz_file<E: EthSpec>(path: PathBuf) -> Result<BeaconState<E>, String> {
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File::open(path.clone())
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.map_err(move |e| format!("Unable to open SSZ genesis state file {:?}: {:?}", path, e))
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.and_then(|mut file| {
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let mut bytes = vec![];
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file.read_to_end(&mut bytes)
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.map_err(|e| format!("Failed to read SSZ file: {:?}", e))?;
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Ok(bytes)
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})
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.and_then(|bytes| {
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BeaconState::from_ssz_bytes(&bytes)
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.map_err(|e| format!("Unable to parse SSZ genesis state file: {:?}", e))
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})
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}
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