Fix the traceAddress field in transaction traces. (#2373)

* Fix the traceAddress field in transaction traces.

* Add test

* Fix warning.

* Fix test

* Additional fix.

* Fix tests content.
This commit is contained in:
Gav Wood 2016-09-28 17:24:26 +02:00 committed by GitHub
parent baa2feaca6
commit 948b614f40
2 changed files with 66 additions and 54 deletions

View File

@ -31,7 +31,7 @@ fn top_level_subtraces(traces: &[FlatTrace]) -> usize {
traces.iter().filter(|t| t.trace_address.is_empty()).count() traces.iter().filter(|t| t.trace_address.is_empty()).count()
} }
fn update_trace_address(traces: Vec<FlatTrace>) -> Vec<FlatTrace> { fn prefix_subtrace_addresses(mut traces: Vec<FlatTrace>) -> Vec<FlatTrace> {
// input traces are expected to be ordered like // input traces are expected to be ordered like
// [] // []
// [0] // [0]
@ -48,26 +48,38 @@ fn update_trace_address(traces: Vec<FlatTrace>) -> Vec<FlatTrace> {
// [0, 0, 1] // [0, 0, 1]
// [1] // [1]
// [1, 0] // [1, 0]
let mut top_subtrace_index = 0; let mut current_subtrace_index = 0;
let mut subtrace_subtraces_left = 0; let mut first = true;
traces.into_iter().map(|mut trace| { for trace in traces.iter_mut() {
let is_top_subtrace = trace.trace_address.is_empty(); match (first, trace.trace_address.is_empty()) {
let is_subtrace = trace.trace_address.len() == 1; (true, _) => first = false,
trace.trace_address.push_front(top_subtrace_index); (_, true) => current_subtrace_index += 1,
_ => {}
if is_top_subtrace { }
subtrace_subtraces_left = trace.subtraces; trace.trace_address.push_front(current_subtrace_index);
} else if is_subtrace { }
subtrace_subtraces_left -= 1; traces
}
if subtrace_subtraces_left == 0 {
top_subtrace_index += 1;
}
trace
}).collect()
} }
#[test]
fn should_prefix_address_properly() {
use super::trace::{Action, Res, Suicide};
let f = |v: Vec<usize>| FlatTrace {
action: Action::Suicide(Suicide {
address: Default::default(),
balance: Default::default(),
refund_address: Default::default(),
}),
result: Res::None,
subtraces: 0,
trace_address: v.into_iter().collect(),
};
let t = vec![vec![], vec![0], vec![0, 0], vec![0], vec![], vec![], vec![0], vec![]].into_iter().map(&f).collect();
let t = prefix_subtrace_addresses(t);
assert_eq!(t, vec![vec![0], vec![0, 0], vec![0, 0, 0], vec![0, 0], vec![1], vec![2], vec![2, 0], vec![3]].into_iter().map(&f).collect::<Vec<_>>());
}
impl Tracer for ExecutiveTracer { impl Tracer for ExecutiveTracer {
fn prepare_trace_call(&self, params: &ActionParams) -> Option<Call> { fn prepare_trace_call(&self, params: &ActionParams) -> Option<Call> {
Some(Call::from(params.clone())) Some(Call::from(params.clone()))
@ -93,7 +105,7 @@ impl Tracer for ExecutiveTracer {
}; };
debug!(target: "trace", "Traced call {:?}", trace); debug!(target: "trace", "Traced call {:?}", trace);
self.traces.push(trace); self.traces.push(trace);
self.traces.extend(update_trace_address(subs)); self.traces.extend(prefix_subtrace_addresses(subs));
} }
fn trace_create(&mut self, create: Option<Create>, gas_used: U256, code: Option<Bytes>, address: Address, subs: Vec<FlatTrace>) { fn trace_create(&mut self, create: Option<Create>, gas_used: U256, code: Option<Bytes>, address: Address, subs: Vec<FlatTrace>) {
@ -109,7 +121,7 @@ impl Tracer for ExecutiveTracer {
}; };
debug!(target: "trace", "Traced create {:?}", trace); debug!(target: "trace", "Traced create {:?}", trace);
self.traces.push(trace); self.traces.push(trace);
self.traces.extend(update_trace_address(subs)); self.traces.extend(prefix_subtrace_addresses(subs));
} }
fn trace_failed_call(&mut self, call: Option<Call>, subs: Vec<FlatTrace>, error: TraceError) { fn trace_failed_call(&mut self, call: Option<Call>, subs: Vec<FlatTrace>, error: TraceError) {
@ -121,7 +133,7 @@ impl Tracer for ExecutiveTracer {
}; };
debug!(target: "trace", "Traced failed call {:?}", trace); debug!(target: "trace", "Traced failed call {:?}", trace);
self.traces.push(trace); self.traces.push(trace);
self.traces.extend(update_trace_address(subs)); self.traces.extend(prefix_subtrace_addresses(subs));
} }
fn trace_failed_create(&mut self, create: Option<Create>, subs: Vec<FlatTrace>, error: TraceError) { fn trace_failed_create(&mut self, create: Option<Create>, subs: Vec<FlatTrace>, error: TraceError) {
@ -133,7 +145,7 @@ impl Tracer for ExecutiveTracer {
}; };
debug!(target: "trace", "Traced failed create {:?}", trace); debug!(target: "trace", "Traced failed create {:?}", trace);
self.traces.push(trace); self.traces.push(trace);
self.traces.extend(update_trace_address(subs)); self.traces.extend(prefix_subtrace_addresses(subs));
} }
fn trace_suicide(&mut self, address: Address, balance: U256, refund_address: Address) { fn trace_suicide(&mut self, address: Address, balance: U256, refund_address: Address) {

View File

@ -414,15 +414,15 @@ pub struct LocalizedTrace {
/// Result /// Result
result: Res, result: Res,
/// Trace address /// Trace address
trace_address: Vec<U256>, trace_address: Vec<usize>,
/// Subtraces /// Subtraces
subtraces: U256, subtraces: usize,
/// Transaction position /// Transaction position
transaction_position: U256, transaction_position: usize,
/// Transaction hash /// Transaction hash
transaction_hash: H256, transaction_hash: H256,
/// Block Number /// Block Number
block_number: U256, block_number: u64,
/// Block Hash /// Block Hash
block_hash: H256, block_hash: H256,
} }
@ -485,9 +485,9 @@ impl From<EthLocalizedTrace> for LocalizedTrace {
#[derive(Debug)] #[derive(Debug)]
pub struct Trace { pub struct Trace {
/// Trace address /// Trace address
trace_address: Vec<U256>, trace_address: Vec<usize>,
/// Subtraces /// Subtraces
subtraces: U256, subtraces: usize,
/// Action /// Action
action: Action, action: Action,
/// Result /// Result
@ -601,15 +601,15 @@ mod tests {
gas_used: 8.into(), gas_used: 8.into(),
output: vec![0x56, 0x78].into(), output: vec![0x56, 0x78].into(),
}), }),
trace_address: vec![10.into()], trace_address: vec![10],
subtraces: 1.into(), subtraces: 1,
transaction_position: 11.into(), transaction_position: 11,
transaction_hash: 12.into(), transaction_hash: 12.into(),
block_number: 13.into(), block_number: 13,
block_hash: 14.into(), block_hash: 14.into(),
}; };
let serialized = serde_json::to_string(&t).unwrap(); let serialized = serde_json::to_string(&t).unwrap();
assert_eq!(serialized, r#"{"type":"call","action":{"from":"0x0000000000000000000000000000000000000004","to":"0x0000000000000000000000000000000000000005","value":"0x6","gas":"0x7","input":"0x1234","callType":"call"},"result":{"gasUsed":"0x8","output":"0x5678"},"traceAddress":["0xa"],"subtraces":"0x1","transactionPosition":"0xb","transactionHash":"0x000000000000000000000000000000000000000000000000000000000000000c","blockNumber":"0xd","blockHash":"0x000000000000000000000000000000000000000000000000000000000000000e"}"#); assert_eq!(serialized, r#"{"type":"call","action":{"from":"0x0000000000000000000000000000000000000004","to":"0x0000000000000000000000000000000000000005","value":"0x6","gas":"0x7","input":"0x1234","callType":"call"},"result":{"gasUsed":"0x8","output":"0x5678"},"traceAddress":[10],"subtraces":1,"transactionPosition":11,"transactionHash":"0x000000000000000000000000000000000000000000000000000000000000000c","blockNumber":13,"blockHash":"0x000000000000000000000000000000000000000000000000000000000000000e"}"#);
} }
#[test] #[test]
@ -624,15 +624,15 @@ mod tests {
call_type: CallType::Call, call_type: CallType::Call,
}), }),
result: Res::FailedCall(TraceError::OutOfGas), result: Res::FailedCall(TraceError::OutOfGas),
trace_address: vec![10.into()], trace_address: vec![10],
subtraces: 1.into(), subtraces: 1,
transaction_position: 11.into(), transaction_position: 11,
transaction_hash: 12.into(), transaction_hash: 12.into(),
block_number: 13.into(), block_number: 13,
block_hash: 14.into(), block_hash: 14.into(),
}; };
let serialized = serde_json::to_string(&t).unwrap(); let serialized = serde_json::to_string(&t).unwrap();
assert_eq!(serialized, r#"{"type":"call","action":{"from":"0x0000000000000000000000000000000000000004","to":"0x0000000000000000000000000000000000000005","value":"0x6","gas":"0x7","input":"0x1234","callType":"call"},"error":"Out of gas","traceAddress":["0xa"],"subtraces":"0x1","transactionPosition":"0xb","transactionHash":"0x000000000000000000000000000000000000000000000000000000000000000c","blockNumber":"0xd","blockHash":"0x000000000000000000000000000000000000000000000000000000000000000e"}"#); assert_eq!(serialized, r#"{"type":"call","action":{"from":"0x0000000000000000000000000000000000000004","to":"0x0000000000000000000000000000000000000005","value":"0x6","gas":"0x7","input":"0x1234","callType":"call"},"error":"Out of gas","traceAddress":[10],"subtraces":1,"transactionPosition":11,"transactionHash":"0x000000000000000000000000000000000000000000000000000000000000000c","blockNumber":13,"blockHash":"0x000000000000000000000000000000000000000000000000000000000000000e"}"#);
} }
#[test] #[test]
@ -649,15 +649,15 @@ mod tests {
code: vec![0x56, 0x78].into(), code: vec![0x56, 0x78].into(),
address: 0xff.into(), address: 0xff.into(),
}), }),
trace_address: vec![10.into()], trace_address: vec![10],
subtraces: 1.into(), subtraces: 1,
transaction_position: 11.into(), transaction_position: 11,
transaction_hash: 12.into(), transaction_hash: 12.into(),
block_number: 13.into(), block_number: 13,
block_hash: 14.into(), block_hash: 14.into(),
}; };
let serialized = serde_json::to_string(&t).unwrap(); let serialized = serde_json::to_string(&t).unwrap();
assert_eq!(serialized, r#"{"type":"create","action":{"from":"0x0000000000000000000000000000000000000004","value":"0x6","gas":"0x7","init":"0x1234"},"result":{"gasUsed":"0x8","code":"0x5678","address":"0x00000000000000000000000000000000000000ff"},"traceAddress":["0xa"],"subtraces":"0x1","transactionPosition":"0xb","transactionHash":"0x000000000000000000000000000000000000000000000000000000000000000c","blockNumber":"0xd","blockHash":"0x000000000000000000000000000000000000000000000000000000000000000e"}"#); assert_eq!(serialized, r#"{"type":"create","action":{"from":"0x0000000000000000000000000000000000000004","value":"0x6","gas":"0x7","init":"0x1234"},"result":{"gasUsed":"0x8","code":"0x5678","address":"0x00000000000000000000000000000000000000ff"},"traceAddress":[10],"subtraces":1,"transactionPosition":11,"transactionHash":"0x000000000000000000000000000000000000000000000000000000000000000c","blockNumber":13,"blockHash":"0x000000000000000000000000000000000000000000000000000000000000000e"}"#);
} }
#[test] #[test]
@ -670,15 +670,15 @@ mod tests {
init: Bytes::new(vec![0x12, 0x34]), init: Bytes::new(vec![0x12, 0x34]),
}), }),
result: Res::FailedCreate(TraceError::OutOfGas), result: Res::FailedCreate(TraceError::OutOfGas),
trace_address: vec![10.into()], trace_address: vec![10],
subtraces: 1.into(), subtraces: 1,
transaction_position: 11.into(), transaction_position: 11,
transaction_hash: 12.into(), transaction_hash: 12.into(),
block_number: 13.into(), block_number: 13,
block_hash: 14.into(), block_hash: 14.into(),
}; };
let serialized = serde_json::to_string(&t).unwrap(); let serialized = serde_json::to_string(&t).unwrap();
assert_eq!(serialized, r#"{"type":"create","action":{"from":"0x0000000000000000000000000000000000000004","value":"0x6","gas":"0x7","init":"0x1234"},"error":"Out of gas","traceAddress":["0xa"],"subtraces":"0x1","transactionPosition":"0xb","transactionHash":"0x000000000000000000000000000000000000000000000000000000000000000c","blockNumber":"0xd","blockHash":"0x000000000000000000000000000000000000000000000000000000000000000e"}"#); assert_eq!(serialized, r#"{"type":"create","action":{"from":"0x0000000000000000000000000000000000000004","value":"0x6","gas":"0x7","init":"0x1234"},"error":"Out of gas","traceAddress":[10],"subtraces":1,"transactionPosition":11,"transactionHash":"0x000000000000000000000000000000000000000000000000000000000000000c","blockNumber":13,"blockHash":"0x000000000000000000000000000000000000000000000000000000000000000e"}"#);
} }
#[test] #[test]
@ -690,15 +690,15 @@ mod tests {
balance: 7.into(), balance: 7.into(),
}), }),
result: Res::None, result: Res::None,
trace_address: vec![10.into()], trace_address: vec![10],
subtraces: 1.into(), subtraces: 1,
transaction_position: 11.into(), transaction_position: 11,
transaction_hash: 12.into(), transaction_hash: 12.into(),
block_number: 13.into(), block_number: 13,
block_hash: 14.into(), block_hash: 14.into(),
}; };
let serialized = serde_json::to_string(&t).unwrap(); let serialized = serde_json::to_string(&t).unwrap();
assert_eq!(serialized, r#"{"type":"suicide","action":{"address":"0x0000000000000000000000000000000000000004","refundAddress":"0x0000000000000000000000000000000000000006","balance":"0x7"},"result":null,"traceAddress":["0xa"],"subtraces":"0x1","transactionPosition":"0xb","transactionHash":"0x000000000000000000000000000000000000000000000000000000000000000c","blockNumber":"0xd","blockHash":"0x000000000000000000000000000000000000000000000000000000000000000e"}"#); assert_eq!(serialized, r#"{"type":"suicide","action":{"address":"0x0000000000000000000000000000000000000004","refundAddress":"0x0000000000000000000000000000000000000006","balance":"0x7"},"result":null,"traceAddress":[10],"subtraces":1,"transactionPosition":11,"transactionHash":"0x000000000000000000000000000000000000000000000000000000000000000c","blockNumber":13,"blockHash":"0x000000000000000000000000000000000000000000000000000000000000000e"}"#);
} }
#[test] #[test]