coverage & panics avoidance

This commit is contained in:
Nikolay Volf 2016-02-08 23:07:14 +03:00
parent 76d51a3da6
commit 1ae7db2e03

View File

@ -23,8 +23,6 @@ use spec::*;
use engine::*;
use evm::Schedule;
use evm::Factory;
#[cfg(test)]
use tests::helpers::*;
/// Engine using Ethash proof-of-work consensus algorithm, suitable for Ethereum
/// mainnet chains in the Olympic, Frontier and Homestead eras.
@ -49,6 +47,17 @@ impl Ethash {
})
}
#[cfg(test)]
fn new_test(spec: Spec) -> Ethash {
Ethash {
spec: spec,
pow: EthashManager::new(),
factory: Factory::default(),
u64_params: RwLock::new(HashMap::new()),
u256_params: RwLock::new(HashMap::new())
}
}
fn u64_param(&self, name: &str) -> u64 {
*self.u64_params.write().unwrap().entry(name.to_owned()).or_insert_with(||
self.spec().engine_params.get(name).map_or(0u64, |a| decode(&a)))
@ -123,6 +132,11 @@ impl Engine for Ethash {
fn verify_block_basic(&self, header: &Header, _block: Option<&[u8]>) -> result::Result<(), Error> {
// check the seal fields.
if header.seal.len() != self.seal_fields() {
return Err(From::from(BlockError::InvalidSealArity(
Mismatch { expected: self.seal_fields(), found: header.seal.len() }
)));
}
try!(UntrustedRlp::new(&header.seal[0]).as_val::<H256>());
try!(UntrustedRlp::new(&header.seal[1]).as_val::<H64>());
@ -242,38 +256,110 @@ impl Header {
}
}
#[test]
fn on_close_block() {
#[cfg(test)]
mod tests {
extern crate ethash;
use common::*;
use block::*;
use spec::*;
use engine::*;
use evm::Schedule;
use evm::Factory;
use tests::helpers::*;
use super::*;
let engine = new_morden().to_engine().unwrap();
let genesis_header = engine.spec().genesis_header();
let mut db_result = get_temp_journal_db();
let mut db = db_result.take();
engine.spec().ensure_db_good(&mut db);
let last_hashes = vec![genesis_header.hash()];
let b = OpenBlock::new(engine.deref(), db, &genesis_header, &last_hashes, Address::zero(), vec![]);
let b = b.close();
assert_eq!(b.state().balance(&Address::zero()), U256::from_str("4563918244f40000").unwrap());
use super::super::new_morden;
#[test]
fn on_close_block() {
let engine = new_morden().to_engine().unwrap();
let genesis_header = engine.spec().genesis_header();
let mut db_result = get_temp_journal_db();
let mut db = db_result.take();
engine.spec().ensure_db_good(&mut db);
let last_hashes = vec![genesis_header.hash()];
let b = OpenBlock::new(engine.deref(), db, &genesis_header, &last_hashes, Address::zero(), vec![]);
let b = b.close();
assert_eq!(b.state().balance(&Address::zero()), U256::from_str("4563918244f40000").unwrap());
}
#[test]
fn on_close_block_with_uncle() {
let engine = new_morden().to_engine().unwrap();
let genesis_header = engine.spec().genesis_header();
let mut db_result = get_temp_journal_db();
let mut db = db_result.take();
engine.spec().ensure_db_good(&mut db);
let last_hashes = vec![genesis_header.hash()];
let mut b = OpenBlock::new(engine.deref(), db, &genesis_header, &last_hashes, Address::zero(), vec![]);
let mut uncle = Header::new();
let uncle_author = address_from_hex("ef2d6d194084c2de36e0dabfce45d046b37d1106");
uncle.author = uncle_author.clone();
b.push_uncle(uncle).unwrap();
let b = b.close();
assert_eq!(b.state().balance(&Address::zero()), U256::from_str("478eae0e571ba000").unwrap());
assert_eq!(b.state().balance(&uncle_author), U256::from_str("3cb71f51fc558000").unwrap());
}
#[test]
fn has_valid_metadata() {
let engine = Ethash::new_boxed(new_morden());
assert!(!engine.name().is_empty());
assert!(engine.version().major >= 1);
}
#[test]
fn can_return_params() {
let engine = Ethash::new_test(new_morden());
assert!(engine.u64_param("durationLimit") > 0);
assert!(engine.u256_param("minimumDifficulty") > U256::zero());
}
#[test]
fn can_return_factory() {
let engine = Ethash::new_test(new_morden());
let factory = engine.vm_factory();
}
#[test]
fn can_return_schedule() {
let engine = Ethash::new_test(new_morden());
let schedule = engine.schedule(&EnvInfo {
number: 10000000,
author: x!(0),
timestamp: 0,
difficulty: x!(0),
last_hashes: vec![],
gas_used: x!(0),
gas_limit: x!(0)
});
assert!(schedule.stack_limit > 0);
let schedule = engine.schedule(&EnvInfo {
number: 100,
author: x!(0),
timestamp: 0,
difficulty: x!(0),
last_hashes: vec![],
gas_used: x!(0),
gas_limit: x!(0)
});
assert!(!schedule.have_delegate_call);
}
#[test]
fn can_do_basic_verification_fail() {
let engine = Ethash::new_test(new_morden());
let header: Header = Header::default();
let verify_result = engine.verify_block_basic(&header, None);
assert!(!verify_result.is_ok());
}
// TODO: difficulty test
}
#[test]
fn on_close_block_with_uncle() {
use super::*;
let engine = new_morden().to_engine().unwrap();
let genesis_header = engine.spec().genesis_header();
let mut db_result = get_temp_journal_db();
let mut db = db_result.take();
engine.spec().ensure_db_good(&mut db);
let last_hashes = vec![genesis_header.hash()];
let mut b = OpenBlock::new(engine.deref(), db, &genesis_header, &last_hashes, Address::zero(), vec![]);
let mut uncle = Header::new();
let uncle_author = address_from_hex("ef2d6d194084c2de36e0dabfce45d046b37d1106");
uncle.author = uncle_author.clone();
b.push_uncle(uncle).unwrap();
let b = b.close();
assert_eq!(b.state().balance(&Address::zero()), U256::from_str("478eae0e571ba000").unwrap());
assert_eq!(b.state().balance(&uncle_author), U256::from_str("3cb71f51fc558000").unwrap());
}
// TODO: difficulty test