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Remove old code, fix bug with MAX_LENGTH_VALUE

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This commit is contained in:
Paul Hauner
2019-05-06 11:51:50 +10:00
parent 9d27f67643
commit c31ef5cf7f
3 changed files with 34 additions and 595 deletions
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222
eth2/utils/ssz/src/lib.rs
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@@ -1,18 +1,3 @@
/*
* This is a WIP of implementing an alternative
* serialization strategy. It attempts to follow Vitalik's
* "simpleserialize" format here:
* https://github.com/ethereum/beacon_chain/blob/master/beacon_chain/utils/simpleserialize.py
*
* This implementation is not final and would almost certainly
* have issues.
*/
/*
extern crate bytes;
extern crate ethereum_types;
pub mod decode;
*/
mod decode;
mod encode;
@@ -20,7 +5,7 @@ pub use decode::{Decodable, DecodeError, SszDecoderBuilder};
pub use encode::{Encodable, SszEncoder};
pub const BYTES_PER_LENGTH_OFFSET: usize = 4;
pub const MAX_LENGTH_VALUE: usize = 1 << (BYTES_PER_LENGTH_OFFSET * 8) - 1;
pub const MAX_LENGTH_VALUE: usize = (1 << (BYTES_PER_LENGTH_OFFSET * 8)) - 1;
/// Convenience function to SSZ encode an object supporting ssz::Encode.
///
@@ -31,208 +16,3 @@ where
{
val.as_ssz_bytes()
}
/*
mod impl_decode;
mod impl_encode;
pub use crate::decode::{decode, decode_ssz_list, Decodable, DecodeError};
pub use crate::encode::{Encodable, SszStream};
pub use hashing::hash;
pub const LENGTH_BYTES: usize = 4;
pub const MAX_LIST_SIZE: usize = 1 << (4 * 8);
#[cfg(test)]
mod tests {
extern crate hex;
extern crate yaml_rust;
use self::yaml_rust::yaml;
use super::*;
use std::{fs::File, io::prelude::*, path::PathBuf};
#[test]
pub fn test_vector_uint_bounds() {
let mut file = {
let mut file_path_buf = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
file_path_buf.push("src/test_vectors/uint_bounds.yaml");
File::open(file_path_buf).unwrap()
};
let mut yaml_str = String::new();
file.read_to_string(&mut yaml_str).unwrap();
let docs = yaml::YamlLoader::load_from_str(&yaml_str).unwrap();
let doc = &docs[0];
// Load test cases
let test_cases = doc["test_cases"].clone();
for test_case in test_cases {
// Only the valid cases are checked as parse::<uX>() will fail for all invalid cases
if test_case["valid"].as_bool().unwrap() {
// Convert test vector 'ssz' encoded yaml to Vec<u8>
let ssz = test_case["ssz"].as_str().unwrap().trim_start_matches("0x");
let test_vector_bytes = hex::decode(ssz).unwrap();
// Convert test vector 'value' to ssz encoded bytes
let mut bytes: Vec<u8>;
match test_case["type"].as_str().unwrap() {
"uint8" => {
let value: u8 = test_case["value"].as_str().unwrap().parse::<u8>().unwrap();
bytes = ssz_encode::<u8>(&value); // check encoding
// Check decoding
let decoded = decode::<u8>(&test_vector_bytes).unwrap();
assert_eq!(decoded, value);
}
"uint16" => {
let value: u16 =
test_case["value"].as_str().unwrap().parse::<u16>().unwrap();
bytes = ssz_encode::<u16>(&value);
// Check decoding
let decoded = decode::<u16>(&test_vector_bytes).unwrap();
assert_eq!(decoded, value);
}
"uint32" => {
let value: u32 =
test_case["value"].as_str().unwrap().parse::<u32>().unwrap();
bytes = ssz_encode::<u32>(&value);
// Check decoding
let decoded = decode::<u32>(&test_vector_bytes).unwrap();
assert_eq!(decoded, value);
}
"uint64" => {
let value: u64 =
test_case["value"].as_str().unwrap().parse::<u64>().unwrap();
bytes = ssz_encode::<u64>(&value);
// Check decoding
let decoded = decode::<u64>(&test_vector_bytes).unwrap();
assert_eq!(decoded, value);
}
_ => continue,
};
assert_eq!(test_vector_bytes, bytes);
}
}
}
#[test]
pub fn test_vector_uint_random() {
let mut file = {
let mut file_path_buf = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
file_path_buf.push("src/test_vectors/uint_random.yaml");
File::open(file_path_buf).unwrap()
};
let mut yaml_str = String::new();
file.read_to_string(&mut yaml_str).unwrap();
let docs = yaml::YamlLoader::load_from_str(&yaml_str).unwrap();
let doc = &docs[0];
// Load test cases
let test_cases = doc["test_cases"].clone();
for test_case in test_cases {
// Only the valid cases are checked as parse::<uX>() will fail for all invalid cases
if test_case["valid"].as_bool().unwrap() {
// Convert test vector 'ssz' encoded yaml to Vec<u8>
let ssz = test_case["ssz"].as_str().unwrap().trim_start_matches("0x");
let test_vector_bytes = hex::decode(ssz).unwrap();
// Convert test vector 'value' to ssz encoded bytes
let mut bytes: Vec<u8>;
match test_case["type"].as_str().unwrap() {
"uint8" => {
let value: u8 = test_case["value"].as_str().unwrap().parse::<u8>().unwrap();
bytes = ssz_encode::<u8>(&value); // check encoding
// Check decoding
let decoded = decode::<u8>(&test_vector_bytes).unwrap();
assert_eq!(decoded, value);
}
"uint16" => {
let value: u16 =
test_case["value"].as_str().unwrap().parse::<u16>().unwrap();
bytes = ssz_encode::<u16>(&value);
// Check decoding
let decoded = decode::<u16>(&test_vector_bytes).unwrap();
assert_eq!(decoded, value);
}
"uint32" => {
let value: u32 =
test_case["value"].as_str().unwrap().parse::<u32>().unwrap();
bytes = ssz_encode::<u32>(&value);
// Check decoding
let decoded = decode::<u32>(&test_vector_bytes).unwrap();
assert_eq!(decoded, value);
}
"uint64" => {
let value: u64 =
test_case["value"].as_str().unwrap().parse::<u64>().unwrap();
bytes = ssz_encode::<u64>(&value);
// Check decoding
let decoded = decode::<u64>(&test_vector_bytes).unwrap();
assert_eq!(decoded, value);
}
_ => continue,
};
assert_eq!(test_vector_bytes, bytes);
}
}
}
#[test]
pub fn test_vector_uint_wrong_length() {
let mut file = {
let mut file_path_buf = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
file_path_buf.push("src/test_vectors/uint_wrong_length.yaml");
File::open(file_path_buf).unwrap()
};
let mut yaml_str = String::new();
file.read_to_string(&mut yaml_str).unwrap();
let docs = yaml::YamlLoader::load_from_str(&yaml_str).unwrap();
let doc = &docs[0];
// Load test cases
let test_cases = doc["test_cases"].clone();
for test_case in test_cases {
// Convert test vector 'ssz' encoded yaml to Vec<u8>
let ssz = test_case["ssz"].as_str().unwrap().trim_start_matches("0x");
let test_vector_bytes = hex::decode(ssz).unwrap();
// Attempt to decode invalid ssz bytes
match test_case["type"].as_str().unwrap() {
"uint8" => {
let decoded = decode::<u8>(&test_vector_bytes);
assert!(decoded.is_err());
}
"uint16" => {
let decoded = decode::<u16>(&test_vector_bytes);
assert!(decoded.is_err());
}
"uint32" => {
let decoded = decode::<u32>(&test_vector_bytes);
assert!(decoded.is_err());
}
"uint64" => {
let decoded = decode::<u64>(&test_vector_bytes);
assert!(decoded.is_err());
}
_ => continue,
};
}
}
}
*/