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Removed DAO soft fork traces (#1639)

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This commit is contained in:
Arkadiy Paronyan 2016-07-16 19:49:52 +02:00 committed by Gav Wood
parent d8472a8031
commit 5dba43178b
4 changed files with 0 additions and 34 deletions
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3
ethcore/src/error.rs
View File

@ -59,8 +59,6 @@ pub enum TransactionError {
},
/// Transaction's gas limit (aka gas) is invalid.
InvalidGasLimit(OutOfBounds<U256>),
/// Transaction is invalid for some other reason.
DAORescue,
}
impl fmt::Display for TransactionError {
@ -79,7 +77,6 @@ impl fmt::Display for TransactionError {
GasLimitExceeded { limit, got } =>
format!("Gas limit exceeded. Limit={}, Given={}", limit, got),
InvalidGasLimit(ref err) => format!("Invalid gas limit. {}", err),
DAORescue => "Transaction is invalid due to the DAO rescue.".into(),
};
f.write_fmt(format_args!("Transaction error ({})", msg))

3
ethcore/src/evm/schedule.rs
View File

@ -80,8 +80,6 @@ pub struct Schedule {
pub tx_data_non_zero_gas: usize,
/// Gas price for copying memory
pub copy_gas: usize,
/// DAO Rescue softfork block
pub reject_dao_transactions: bool,
}
impl Schedule {
@ -128,7 +126,6 @@ impl Schedule {
tx_data_zero_gas: 4,
tx_data_non_zero_gas: 68,
copy_gas: 3,
reject_dao_transactions: false,
}
}
}

27
ethcore/src/state.rs
View File

@ -232,33 +232,6 @@ impl State {
let options = TransactOptions { tracing: tracing, vm_tracing: false, check_nonce: true };
let e = try!(Executive::new(self, env_info, engine, vm_factory).transact(t, options));
let broken_dao = H256::from("6a5d24750f78441e56fec050dc52fe8e911976485b7472faac7464a176a67caa");
// dao attack soft fork
if engine.schedule(&env_info).reject_dao_transactions {
let whitelisted = if let Action::Call(to) = t.action {
to == Address::from("Da4a4626d3E16e094De3225A751aAb7128e96526") ||
to == Address::from("2ba9D006C1D72E67A70b5526Fc6b4b0C0fd6D334")
} else { false };
if !whitelisted {
// collect all the addresses which have changed.
let addresses = self.cache.borrow().iter().map(|(addr, _)| addr.clone()).collect::<Vec<_>>();
for a in &addresses {
if self.code(a).map_or(false, |c| c.sha3() == broken_dao) {
// Figure out if the balance has been reduced.
let maybe_original = self.trie_factory
.readonly(self.db.as_hashdb(), &self.root)
.expect(SEC_TRIE_DB_UNWRAP_STR)
.get(&a).map(Account::from_rlp);
if maybe_original.map_or(false, |original| *original.balance() > self.balance(a)) {
return Err(Error::Transaction(TransactionError::DAORescue));
}
}
}
}
}
// TODO uncomment once to_pod() works correctly.
// trace!("Applied transaction. Diff:\n{}\n", state_diff::diff_pod(&old, &self.to_pod()));
self.commit();

1
rpc/src/v1/impls/mod.rs
View File

@ -170,7 +170,6 @@ fn transaction_error(error: EthcoreError) -> Error {
format!("Transaction cost exceeds current gas limit. Limit: {}, got: {}. Try decreasing supplied gas.", limit, got)
},
InvalidGasLimit(_) => "Supplied gas is beyond limit.".into(),
DAORescue => "Transaction removes funds from a DAO.".into(),
};
Error {
code: ErrorCode::ServerError(error_codes::TRANSACTION_ERROR),