grassrootseconomics/openethereum
5
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

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

Browse Source
This commit is contained in:
arkpar 2016-01-15 13:18:18 +01:00
commit d80fe310a3
4 changed files with 45 additions and 54 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/error.rs
View File

@ -20,16 +20,19 @@ pub struct OutOfBounds<T: fmt::Debug> {
/// Result of executing the transaction.
#[derive(PartialEq, Debug)]
pub enum ExecutionError {
/// Returned when there gas paid for transaction execution is
/// lower than base gas required.
NotEnoughBaseGas { required: U256, got: U256 },
/// Returned when block (gas_used + gas) > gas_limit.
///
/// If gas =< gas_limit, upstream may try to execute the transaction
/// in next block.
BlockGasLimitReached { gas_limit: U256, gas_used: U256, gas: U256 },
/// Returned when transaction nonce does not match state nonce.
InvalidNonce { expected: U256, is: U256 },
InvalidNonce { expected: U256, got: U256 },
/// Returned when cost of transaction (value + gas_price * gas) exceeds
/// current sender balance.
NotEnoughCash { required: U512, is: U512 },
NotEnoughCash { required: U512, got: U512 },
/// Returned when internal evm error occurs.
Internal
}

43
src/executive.rs
View File

@ -21,8 +21,6 @@ pub struct Substate {
logs: Vec<LogEntry>,
/// Refund counter of SSTORE nonzero->zero.
refunds_count: U256,
/// True if transaction, or one of its subcalls runs out of gas.
excepted: bool,
/// Created contracts.
contracts_created: Vec<Address>
}
@ -34,7 +32,6 @@ impl Substate {
suicides: HashSet::new(),
logs: vec![],
refunds_count: U256::zero(),
excepted: false,
contracts_created: vec![]
}
}
@ -43,11 +40,8 @@ impl Substate {
self.suicides.extend(s.suicides.into_iter());
self.logs.extend(s.logs.into_iter());
self.refunds_count = self.refunds_count + s.refunds_count;
self.excepted |= s.excepted;
self.contracts_created.extend(s.contracts_created.into_iter());
}
pub fn excepted(&self) -> bool { self.excepted }
}
/// Transaction execution receipt.
@ -68,8 +62,6 @@ pub struct Executed {
pub cumulative_gas_used: U256,
/// Vector of logs generated by transaction.
pub logs: Vec<LogEntry>,
/// Execution ended running out of gas.
pub excepted: bool,
/// Addresses of contracts created during execution of transaction.
/// Ordered from earliest creation.
///
@ -117,11 +109,18 @@ impl<'a> Executive<'a> {
let sender = try!(t.sender());
let nonce = self.state.nonce(&sender);
// TODO: error on base gas required
let schedule = self.engine.schedule(self.info);
let base_gas_required = U256::from(t.gas_required(&schedule));
if t.gas < base_gas_required {
return Err(From::from(ExecutionError::NotEnoughBaseGas { required: base_gas_required, got: t.gas }));
}
let init_gas = t.gas - base_gas_required;
// validate transaction nonce
if t.nonce != nonce {
return Err(From::from(ExecutionError::InvalidNonce { expected: nonce, is: t.nonce }));
return Err(From::from(ExecutionError::InvalidNonce { expected: nonce, got: t.nonce }));
}
// validate if transaction fits into given block
@ -140,7 +139,7 @@ impl<'a> Executive<'a> {
// avoid unaffordable transactions
if U512::from(balance) < total_cost {
return Err(From::from(ExecutionError::NotEnoughCash { required: total_cost, is: U512::from(balance) }));
return Err(From::from(ExecutionError::NotEnoughCash { required: total_cost, got: U512::from(balance) }));
}
// NOTE: there can be no invalid transactions from this point.
@ -149,9 +148,6 @@ impl<'a> Executive<'a> {
let mut substate = Substate::new();
let schedule = self.engine.schedule(self.info);
let init_gas = t.gas - U256::from(t.gas_required(&schedule));
let res = match t.action() {
&Action::Create => {
let params = ActionParams {
@ -207,7 +203,10 @@ impl<'a> Executive<'a> {
Ok(params.gas - cost)
},
// just drain the whole gas
false => Ok(U256::zero())
false => {
self.state.revert(backup);
Err(evm::Error::OutOfGas)
}
}
} else if params.code.len() > 0 {
// if destination is a contract, do normal message call
@ -293,7 +292,6 @@ impl<'a> Executive<'a> {
refunded: refund,
cumulative_gas_used: self.info.gas_used + gas_used,
logs: substate.logs,
excepted: substate.excepted,
contracts_created: substate.contracts_created
})
},
@ -304,7 +302,6 @@ impl<'a> Executive<'a> {
refunded: U256::zero(),
cumulative_gas_used: self.info.gas_used + t.gas,
logs: vec![],
excepted: true,
contracts_created: vec![]
})
}
@ -315,7 +312,6 @@ impl<'a> Executive<'a> {
// TODO: handle other evm::Errors same as OutOfGas once they are implemented
match result {
&Err(evm::Error::OutOfGas) => {
substate.excepted = true;
self.state.revert(backup);
},
&Ok(_) | &Err(evm::Error::Internal) => substate.accrue(un_substate)
@ -461,7 +457,7 @@ impl<'a> Ext for Externalities<'a> {
let gas = *gas - gas_cost;
// if balance is insufficient or we are to deep, return
// if balance is insufficient or we are too deep, return
if self.state.balance(&self.params.address) < *value || self.depth >= self.schedule.max_depth {
return Ok((gas + call_gas, true));
}
@ -899,7 +895,6 @@ mod tests {
assert_eq!(executed.refunded, U256::from(58_699));
assert_eq!(executed.cumulative_gas_used, U256::from(41_301));
assert_eq!(executed.logs.len(), 0);
assert_eq!(executed.excepted, false);
assert_eq!(executed.contracts_created.len(), 0);
assert_eq!(state.balance(&sender), U256::from(1));
assert_eq!(state.balance(&contract), U256::from(17));
@ -946,8 +941,8 @@ mod tests {
};
match res {
Err(Error::Execution(ExecutionError::InvalidNonce { expected, is }))
if expected == U256::zero() && is == U256::one() => (),
Err(Error::Execution(ExecutionError::InvalidNonce { expected, got }))
if expected == U256::zero() && got == U256::one() => (),
_ => assert!(false, "Expected invalid nonce error.")
}
}
@ -997,8 +992,8 @@ mod tests {
};
match res {
Err(Error::Execution(ExecutionError::NotEnoughCash { required , is }))
if required == U512::from(100_018) && is == U512::from(100_017) => (),
Err(Error::Execution(ExecutionError::NotEnoughCash { required , got }))
if required == U512::from(100_018) && got == U512::from(100_017) => (),
_ => assert!(false, "Expected not enough cash error. {:?}", res)
}
}

3
src/pod_account.rs
View File

@ -31,8 +31,7 @@ impl PodAccount {
let mut stream = RlpStream::new_list(4);
stream.append(&self.nonce);
stream.append(&self.balance);
// TODO.
stream.append(&SHA3_NULL_RLP);
stream.append(&sec_trie_root(self.storage.iter().map(|(k, v)| (k.to_vec(), encode(&U256::from(v.as_slice())))).collect()));
stream.append(&self.code.sha3());
stream.out()
}

18
src/tests/state.rs
View File

@ -4,11 +4,6 @@ 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();
@ -39,14 +34,12 @@ fn do_json_test(json_data: &[u8]) -> Vec<String> {
//println!("Transaction: {:?}", t);
//println!("Env: {:?}", env);
let calc_post = sec_trie_root(post.get().iter().map(|(k, v)| (k.to_vec(), v.rlp())).collect());
{
let mut s = State::new_temp();
s.populate_from(post.clone());
s.commit();
assert_eq!(&post_state_root, s.root());
}
if fail_unless(post_state_root == calc_post) {
println!("!!! {}: Trie root mismatch (got: {}, expect: {}):", name, calc_post, post_state_root);
println!("!!! Post:\n{}", post);
} else {
let mut s = State::new_temp();
s.populate_from(pre);
s.commit();
@ -68,6 +61,7 @@ fn do_json_test(json_data: &[u8]) -> Vec<String> {
}
}
}
}
if !fail {
flush(format!("ok\n"));
}