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Merge branch 'master' of github.com:gavofyork/ethcore into client

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This commit is contained in:
arkpar 2016-01-15 11:43:05 +01:00
commit e911e3d8a6
4 changed files with 91 additions and 44 deletions
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17
src/ethereum/ethash.rs
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@ -14,6 +14,8 @@ impl Ethash {
pub fn new_boxed(spec: Spec) -> Box<Engine> {
Box::new(Ethash{spec: spec})
}
fn u256_param(&self, name: &str) -> U256 { self.spec().engine_params.get(name).map(|a| decode(&a)).unwrap_or(U256::from(0u64)) }
}
impl Engine for Ethash {
@ -29,6 +31,20 @@ impl Engine for Ethash {
fn spec(&self) -> &Spec { &self.spec }
fn schedule(&self, _env_info: &EnvInfo) -> Schedule { Schedule::new_frontier() }
fn populate_from_parent(&self, header: &mut Header, parent: &Header) {
header.difficulty = self.calculate_difficuty(header, parent);
header.gas_limit = {
let gas_floor_target: U256 = x!(3141562);
let gas_limit = parent.gas_limit;
let bound_divisor = self.u256_param("gasLimitBoundDivisor");
if gas_limit < gas_floor_target {
min(gas_floor_target, gas_limit + gas_limit / bound_divisor - x!(1))
} else {
max(gas_floor_target, gas_limit - gas_limit / bound_divisor + x!(1) + (header.gas_used * x!(6) / x!(5)) / bound_divisor)
}
};
}
/// Apply the block reward on finalisation of the block.
/// This assumes that all uncles are valid uncles (i.e. of at least one generation before the current).
fn on_close_block(&self, block: &mut Block) {
@ -46,7 +62,6 @@ impl Engine for Ethash {
fields.state.commit();
}
fn verify_block_basic(&self, header: &Header, _block: Option<&[u8]>) -> result::Result<(), Error> {
let min_difficulty = decode(self.spec().engine_params.get("minimumDifficulty").unwrap());
if header.difficulty < min_difficulty {

2
src/executive.rs
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@ -266,7 +266,7 @@ impl<'a> Executive<'a> {
let gas_left = match &result { &Ok(x) => x, _ => x!(0) };
let refund = cmp::min(sstore_refunds + suicide_refunds, (t.gas - gas_left) / U256::from(2)) + gas_left;
let refund_value = refund * t.gas_price;
trace!("Refunding sender: gas_left: {}, refund: {}, refund_value: {}, sender: {}", gas_left, refund, refund_value, t.sender().unwrap());
trace!("Refunding sender: sstore0s: {}, suicides: {}, gas_left: {}, refund: {}, refund_value: {}, sender: {}", sstore_refunds, suicide_refunds, gas_left, refund, refund_value, t.sender().unwrap());
self.state.add_balance(&t.sender().unwrap(), &refund_value);
// fees earned by author

8
src/state.rs
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@ -158,7 +158,7 @@ impl State {
/// Commit accounts to SecTrieDBMut. This is similar to cpp-ethereum's dev::eth::commit.
/// `accounts` is mutable because we may need to commit the code or storage and record that.
pub fn commit_into(db: &mut HashDB, mut root: H256, accounts: &mut HashMap<Address, Option<Account>>) -> H256 {
pub fn commit_into(db: &mut HashDB, root: &mut H256, accounts: &mut HashMap<Address, Option<Account>>) {
// first, commit the sub trees.
// TODO: is this necessary or can we dispense with the `ref mut a` for just `a`?
for (_, ref mut a) in accounts.iter_mut() {
@ -172,7 +172,7 @@ impl State {
}
{
let mut trie = SecTrieDBMut::from_existing(db, &mut root);
let mut trie = SecTrieDBMut::from_existing(db, root);
for (address, ref a) in accounts.iter() {
match a {
&&Some(ref account) => trie.insert(address, &account.rlp()),
@ -180,13 +180,11 @@ impl State {
}
}
}
root
}
/// Commits our cached account changes into the trie.
pub fn commit(&mut self) {
let r = self.root.clone(); // would prefer not to do this, really.
self.root = Self::commit_into(&mut self.db, r, self.cache.borrow_mut().deref_mut());
Self::commit_into(&mut self.db, &mut self.root, self.cache.borrow_mut().deref_mut());
}
/// Populate the state from `accounts`.

108
src/tests/state.rs
View File

@ -4,53 +4,73 @@ use pod_state::*;
use state_diff::*;
use ethereum;
fn flush(s: String) {
::std::io::stdout().write(s.as_bytes()).unwrap();
::std::io::stdout().flush().unwrap();
}
fn do_json_test(json_data: &[u8]) -> Vec<String> {
let json = Json::from_str(::std::str::from_utf8(json_data).unwrap()).expect("Json is invalid");
let mut failed = Vec::new();
let engine = ethereum::new_frontier_test().to_engine().unwrap();
flush(format!("\n"));
for (name, test) in json.as_object().unwrap() {
println!("name: {:?}", name);
let mut fail = false;
let mut fail_unless = |cond: bool| if !cond && !fail { failed.push(name.to_string()); fail = true; true } else {false};
let t = Transaction::from_json(&test["transaction"]);
let env = EnvInfo::from_json(&test["env"]);
let _out = Bytes::from_json(&test["out"]);
let post_state_root = xjson!(&test["postStateRoot"]);
let pre = PodState::from_json(&test["pre"]);
let post = PodState::from_json(&test["post"]);
let logs: Vec<_> = test["logs"].as_array().unwrap().iter().map(&LogEntry::from_json).collect();
//println!("Transaction: {:?}", t);
//println!("Env: {:?}", env);
{
let mut fail_unless = |cond: bool| if !cond && !fail {
failed.push(name.to_string());
flush(format!("FAIL\n"));
fail = true;
true
} else {false};
flush(format!(" - {}...", name));
let t = Transaction::from_json(&test["transaction"]);
let env = EnvInfo::from_json(&test["env"]);
let _out = Bytes::from_json(&test["out"]);
let post_state_root = xjson!(&test["postStateRoot"]);
let pre = PodState::from_json(&test["pre"]);
let post = PodState::from_json(&test["post"]);
let logs: Vec<_> = test["logs"].as_array().unwrap().iter().map(&LogEntry::from_json).collect();
//println!("Transaction: {:?}", t);
//println!("Env: {:?}", env);
{
let mut s = State::new_temp();
s.populate_from(post.clone());
s.commit();
assert_eq!(&post_state_root, s.root());
}
let mut s = State::new_temp();
s.populate_from(post.clone());
s.populate_from(pre);
s.commit();
assert_eq!(&post_state_root, s.root());
let res = s.apply(&env, engine.deref(), &t);
if fail_unless(s.root() == &post_state_root) {
println!("!!! {}: State mismatch (got: {}, expect: {}):", name, s.root(), post_state_root);
let our_post = s.to_pod();
println!("Got:\n{}", our_post);
println!("Expect:\n{}", post);
println!("Diff ---expect -> +++got:\n{}", StateDiff::diff_pod(&post, &our_post));
}
if let Ok(r) = res {
if fail_unless(logs == r.logs) {
println!("!!! {}: Logs mismatch:", name);
println!("Got:\n{:?}", r.logs);
println!("Expect:\n{:?}", logs);
}
}
}
let mut s = State::new_temp();
s.populate_from(pre);
let r = s.apply(&env, engine.deref(), &t).unwrap();
if fail_unless(&r.state_root == &post_state_root) {
println!("!!! {}: State mismatch (got: {}, expect: {}):", name, r.state_root, post_state_root);
let our_post = s.to_pod();
println!("Got:\n{}", our_post);
println!("Expect:\n{}", post);
println!("Diff ---expect -> +++got:\n{}", StateDiff::diff_pod(&post, &our_post));
if !fail {
flush(format!("ok\n"));
}
if fail_unless(logs == r.logs) {
println!("!!! {}: Logs mismatch:", name);
println!("Got:\n{:?}", r.logs);
println!("Expect:\n{:?}", logs);
}
// TODO: Add extra APIs for output
//if fail_unless(out == r.)
}
@ -58,8 +78,22 @@ fn do_json_test(json_data: &[u8]) -> Vec<String> {
failed
}
declare_test!{StateTests_stExample, "StateTests/stExample"}
declare_test!{StateTests_stBlockHashTest, "StateTests/stBlockHashTest"}
declare_test!{StateTests_stLogTests, "StateTests/stLogTests"}
declare_test!{StateTests_stCallCodes, "StateTests/stCallCodes"}
declare_test_ignore!{StateTests_stCallCreateCallCodeTest, "StateTests/stCallCreateCallCodeTest"}
declare_test_ignore!{StateTests_stCallCreateCallCodeTest, "StateTests/stCallCreateCallCodeTest"} //<< Out of stack
declare_test!{StateTests_stDelegatecallTest, "StateTests/stDelegatecallTest"} //<< FAIL - gas too high
declare_test!{StateTests_stExample, "StateTests/stExample"}
declare_test!{StateTests_stInitCodeTest, "StateTests/stInitCodeTest"}
declare_test!{StateTests_stLogTests, "StateTests/stLogTests"}
declare_test!{StateTests_stMemoryStressTest, "StateTests/stMemoryStressTest"}
declare_test!{StateTests_stMemoryTest, "StateTests/stMemoryTest"}
declare_test!{StateTests_stPreCompiledContracts, "StateTests/stPreCompiledContracts"}
declare_test_ignore!{StateTests_stQuadraticComplexityTest, "StateTests/stQuadraticComplexityTest"} //<< Too long
declare_test_ignore!{StateTests_stRecursiveCreate, "StateTests/stRecursiveCreate"} //<< Out of stack
declare_test!{StateTests_stRefundTest, "StateTests/stRefundTest"}
declare_test!{StateTests_stSolidityTest, "StateTests/stSolidityTest"}
declare_test_ignore!{StateTests_stSpecialTest, "StateTests/stSpecialTest"} //<< Signal 11
declare_test_ignore!{StateTests_stSystemOperationsTest, "StateTests/stSystemOperationsTest"} //<< Signal 11
declare_test!{StateTests_stTransactionTest, "StateTests/stTransactionTest"}
declare_test!{StateTests_stTransitionTest, "StateTests/stTransitionTest"}
declare_test!{StateTests_stWalletTest, "StateTests/stWalletTest"}