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
GitHub
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baa2feaca6
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948b614f40
@ -31,7 +31,7 @@ fn top_level_subtraces(traces: &[FlatTrace]) -> usize {
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traces.iter().filter(|t| t.trace_address.is_empty()).count()
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}
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fn update_trace_address(traces: Vec<FlatTrace>) -> Vec<FlatTrace> {
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fn prefix_subtrace_addresses(mut traces: Vec<FlatTrace>) -> Vec<FlatTrace> {
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// input traces are expected to be ordered like
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// []
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// [0]
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@ -48,24 +48,36 @@ fn update_trace_address(traces: Vec<FlatTrace>) -> Vec<FlatTrace> {
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// [0, 0, 1]
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// [1]
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// [1, 0]
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let mut top_subtrace_index = 0;
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let mut subtrace_subtraces_left = 0;
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traces.into_iter().map(|mut trace| {
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let is_top_subtrace = trace.trace_address.is_empty();
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let is_subtrace = trace.trace_address.len() == 1;
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trace.trace_address.push_front(top_subtrace_index);
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if is_top_subtrace {
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subtrace_subtraces_left = trace.subtraces;
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} else if is_subtrace {
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subtrace_subtraces_left -= 1;
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let mut current_subtrace_index = 0;
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let mut first = true;
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for trace in traces.iter_mut() {
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match (first, trace.trace_address.is_empty()) {
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(true, _) => first = false,
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(_, true) => current_subtrace_index += 1,
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_ => {}
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}
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if subtrace_subtraces_left == 0 {
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top_subtrace_index += 1;
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trace.trace_address.push_front(current_subtrace_index);
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}
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trace
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}).collect()
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traces
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}
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#[test]
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fn should_prefix_address_properly() {
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use super::trace::{Action, Res, Suicide};
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let f = |v: Vec<usize>| FlatTrace {
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action: Action::Suicide(Suicide {
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address: Default::default(),
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balance: Default::default(),
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refund_address: Default::default(),
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}),
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result: Res::None,
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subtraces: 0,
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trace_address: v.into_iter().collect(),
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};
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let t = vec![vec![], vec![0], vec![0, 0], vec![0], vec![], vec![], vec![0], vec![]].into_iter().map(&f).collect();
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let t = prefix_subtrace_addresses(t);
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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<_>>());
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}
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impl Tracer for ExecutiveTracer {
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@ -93,7 +105,7 @@ impl Tracer for ExecutiveTracer {
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};
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debug!(target: "trace", "Traced call {:?}", trace);
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self.traces.push(trace);
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self.traces.extend(update_trace_address(subs));
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self.traces.extend(prefix_subtrace_addresses(subs));
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}
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fn trace_create(&mut self, create: Option<Create>, gas_used: U256, code: Option<Bytes>, address: Address, subs: Vec<FlatTrace>) {
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@ -109,7 +121,7 @@ impl Tracer for ExecutiveTracer {
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};
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debug!(target: "trace", "Traced create {:?}", trace);
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self.traces.push(trace);
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self.traces.extend(update_trace_address(subs));
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self.traces.extend(prefix_subtrace_addresses(subs));
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}
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fn trace_failed_call(&mut self, call: Option<Call>, subs: Vec<FlatTrace>, error: TraceError) {
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@ -121,7 +133,7 @@ impl Tracer for ExecutiveTracer {
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};
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debug!(target: "trace", "Traced failed call {:?}", trace);
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self.traces.push(trace);
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self.traces.extend(update_trace_address(subs));
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self.traces.extend(prefix_subtrace_addresses(subs));
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}
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fn trace_failed_create(&mut self, create: Option<Create>, subs: Vec<FlatTrace>, error: TraceError) {
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@ -133,7 +145,7 @@ impl Tracer for ExecutiveTracer {
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};
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debug!(target: "trace", "Traced failed create {:?}", trace);
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self.traces.push(trace);
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self.traces.extend(update_trace_address(subs));
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self.traces.extend(prefix_subtrace_addresses(subs));
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}
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fn trace_suicide(&mut self, address: Address, balance: U256, refund_address: Address) {
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@ -414,15 +414,15 @@ pub struct LocalizedTrace {
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/// Result
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result: Res,
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/// Trace address
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trace_address: Vec<U256>,
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trace_address: Vec<usize>,
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/// Subtraces
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subtraces: U256,
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subtraces: usize,
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/// Transaction position
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transaction_position: U256,
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transaction_position: usize,
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/// Transaction hash
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transaction_hash: H256,
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/// Block Number
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block_number: U256,
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block_number: u64,
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/// Block Hash
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block_hash: H256,
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}
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@ -485,9 +485,9 @@ impl From<EthLocalizedTrace> for LocalizedTrace {
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#[derive(Debug)]
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pub struct Trace {
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/// Trace address
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trace_address: Vec<U256>,
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trace_address: Vec<usize>,
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/// Subtraces
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subtraces: U256,
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subtraces: usize,
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/// Action
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action: Action,
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/// Result
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@ -601,15 +601,15 @@ mod tests {
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gas_used: 8.into(),
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output: vec![0x56, 0x78].into(),
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}),
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trace_address: vec![10.into()],
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subtraces: 1.into(),
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transaction_position: 11.into(),
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trace_address: vec![10],
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subtraces: 1,
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transaction_position: 11,
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transaction_hash: 12.into(),
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block_number: 13.into(),
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block_number: 13,
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block_hash: 14.into(),
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};
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let serialized = serde_json::to_string(&t).unwrap();
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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"}"#);
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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"}"#);
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}
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#[test]
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@ -624,15 +624,15 @@ mod tests {
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call_type: CallType::Call,
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}),
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result: Res::FailedCall(TraceError::OutOfGas),
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trace_address: vec![10.into()],
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subtraces: 1.into(),
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transaction_position: 11.into(),
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trace_address: vec![10],
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subtraces: 1,
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transaction_position: 11,
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transaction_hash: 12.into(),
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block_number: 13.into(),
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block_number: 13,
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block_hash: 14.into(),
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};
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let serialized = serde_json::to_string(&t).unwrap();
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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"}"#);
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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"}"#);
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}
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#[test]
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@ -649,15 +649,15 @@ mod tests {
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code: vec![0x56, 0x78].into(),
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address: 0xff.into(),
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}),
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trace_address: vec![10.into()],
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subtraces: 1.into(),
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transaction_position: 11.into(),
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trace_address: vec![10],
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subtraces: 1,
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transaction_position: 11,
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transaction_hash: 12.into(),
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block_number: 13.into(),
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block_number: 13,
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block_hash: 14.into(),
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};
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let serialized = serde_json::to_string(&t).unwrap();
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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"}"#);
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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"}"#);
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}
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#[test]
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@ -670,15 +670,15 @@ mod tests {
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init: Bytes::new(vec![0x12, 0x34]),
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}),
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result: Res::FailedCreate(TraceError::OutOfGas),
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trace_address: vec![10.into()],
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subtraces: 1.into(),
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transaction_position: 11.into(),
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trace_address: vec![10],
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subtraces: 1,
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transaction_position: 11,
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transaction_hash: 12.into(),
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block_number: 13.into(),
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block_number: 13,
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block_hash: 14.into(),
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};
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let serialized = serde_json::to_string(&t).unwrap();
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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"}"#);
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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"}"#);
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}
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#[test]
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@ -690,15 +690,15 @@ mod tests {
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balance: 7.into(),
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}),
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result: Res::None,
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trace_address: vec![10.into()],
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subtraces: 1.into(),
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transaction_position: 11.into(),
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trace_address: vec![10],
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subtraces: 1,
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transaction_position: 11,
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transaction_hash: 12.into(),
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block_number: 13.into(),
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block_number: 13,
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block_hash: 14.into(),
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};
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let serialized = serde_json::to_string(&t).unwrap();
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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"}"#);
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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"}"#);
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}
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#[test]
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