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Output data (code) for creates.

This commit is contained in:
Gav Wood 2016-03-19 18:46:41 +01:00
parent 7d93fa2533
commit ab9b8c7bf3
2 changed files with 19 additions and 10 deletions
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10
ethcore/src/executive.rs
View File

@ -249,6 +249,8 @@ impl<'a> Executive<'a> {
// part of substate that may be reverted
let mut unconfirmed_substate = Substate::new(substate.subtraces.is_some());
// transaction tracing stuff. None if there's no tracing.
let mut trace_info = substate.subtraces.as_ref().map(|_| (TraceAction::from_call(&params), self.depth));
let mut trace_output = trace_info.as_ref().map(|_| vec![]);
@ -256,6 +258,7 @@ impl<'a> Executive<'a> {
self.exec_vm(params, &mut unconfirmed_substate, OutputPolicy::Return(output, trace_output.as_mut()))
};
// if there's tracing, make up trace_info's result with trace_output and some arithmetic.
if let Some((TraceAction::Call(ref mut c), _)) = trace_info {
if let Some(output) = trace_output {
c.result = res.as_ref().ok().map(|gas_left| (c.gas - *gas_left, output));
@ -295,14 +298,17 @@ impl<'a> Executive<'a> {
}
let mut trace_info = substate.subtraces.as_ref().map(|_| (TraceAction::from_create(&params), self.depth));
let mut trace_output = trace_info.as_ref().map(|_| vec![]);
let created = params.address.clone();
let res = {
self.exec_vm(params, &mut unconfirmed_substate, OutputPolicy::InitContract)
self.exec_vm(params, &mut unconfirmed_substate, OutputPolicy::InitContract(trace_output.as_mut()))
};
if let Some((TraceAction::Create(ref mut c), _)) = trace_info {
c.result = res.as_ref().ok().map(|gas_left| (c.gas - *gas_left, created, vec![]));
if let Some(output) = trace_output {
c.result = res.as_ref().ok().map(|gas_left| (c.gas - *gas_left, created, output));
}
}
self.enact_result(&res, substate, unconfirmed_substate, trace_info);

19
ethcore/src/externalities.rs
View File

@ -28,7 +28,7 @@ pub enum OutputPolicy<'a, 'b> {
/// Used for message calls.
Return(BytesRef<'a>, Option<&'b mut Bytes>),
/// Init new contract as soon as `RETURN` is called.
InitContract,
InitContract(Option<&'b mut Bytes>),
}
/// Transaction properties that externalities need to know about.
@ -213,7 +213,7 @@ impl<'a> Ext for Externalities<'a> {
}
Ok(*gas)
},
OutputPolicy::InitContract => {
OutputPolicy::InitContract(ref mut copy) => {
let return_cost = U256::from(data.len()) * U256::from(self.schedule.create_data_gas);
if return_cost > *gas {
return match self.schedule.exceptional_failed_code_deposit {
@ -221,6 +221,9 @@ impl<'a> Ext for Externalities<'a> {
false => Ok(*gas)
}
}
handle_copy(copy);
let mut code = vec![];
code.reserve(data.len());
unsafe {
@ -333,7 +336,7 @@ mod tests {
let mut setup = TestSetup::new();
let state = setup.state.reference_mut();
let ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract);
let ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None));
assert_eq!(ext.env_info().number, 100);
}
@ -342,7 +345,7 @@ mod tests {
fn can_return_block_hash_no_env() {
let mut setup = TestSetup::new();
let state = setup.state.reference_mut();
let ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract);
let ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None));
let hash = ext.blockhash(&U256::from_str("0000000000000000000000000000000000000000000000000000000000120000").unwrap());
@ -361,7 +364,7 @@ mod tests {
env_info.last_hashes.push(test_hash.clone());
}
let state = setup.state.reference_mut();
let ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract);
let ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None));
let hash = ext.blockhash(&U256::from_str("0000000000000000000000000000000000000000000000000000000000120000").unwrap());
@ -373,7 +376,7 @@ mod tests {
fn can_call_fail_empty() {
let mut setup = TestSetup::new();
let state = setup.state.reference_mut();
let mut ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract);
let mut ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None));
let mut output = vec![];
@ -397,7 +400,7 @@ mod tests {
let state = setup.state.reference_mut();
{
let mut ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract);
let mut ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None));
ext.log(log_topics, &log_data);
}
@ -412,7 +415,7 @@ mod tests {
let state = setup.state.reference_mut();
{
let mut ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract);
let mut ext = Externalities::new(state, &setup.env_info, &*setup.engine, 0, get_test_origin(), &mut setup.sub_state, OutputPolicy::InitContract(None));
ext.suicide(&refund_account);
}