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Add tests for VM tracing.

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This commit is contained in:
Gav Wood
2016-05-29 13:05:41 +02:00
parent c20eaf98ec
commit 22c4298bee
4 changed files with 70 additions and 11 deletions
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68
ethcore/src/executive.rs
View File

@@ -196,7 +196,7 @@ impl<'a> Executive<'a> {
};
// finalize here!
Ok(try!(self.finalize(t, substate, gas_left, output, tracer.traces().pop(), vm_tracer.drain().and_then(|mut i| i.subs.pop()))))
Ok(try!(self.finalize(t, substate, gas_left, output, tracer.traces().pop(), vm_tracer.drain())))
}
fn exec_vm<T, V>(
@@ -496,7 +496,7 @@ mod tests {
use tests::helpers::*;
use trace::trace;
use trace::{Trace, Tracer, NoopTracer, ExecutiveTracer};
use trace::{VMTrace, VMTracer, NoopVMTracer, ExecutiveVMTracer};
use trace::{VMTrace, VMOperation, VMTracer, NoopVMTracer, ExecutiveVMTracer};
#[test]
fn test_contract_address() {
@@ -601,7 +601,7 @@ mod tests {
// 52
// 60 1d - push 29
// 60 03 - push 3
// 60 17 - push 17
// 60 17 - push 23
// f0 - create
// 60 00 - push 0
// 55 sstore
@@ -637,13 +637,16 @@ mod tests {
let engine = TestEngine::new(5);
let mut substate = Substate::new();
let mut tracer = ExecutiveTracer::default();
let mut vm_tracer = ExecutiveVMTracer::default();
let gas_left = {
let mut ex = Executive::new(&mut state, &info, &engine, &factory);
let output = BytesRef::Fixed(&mut[0u8;0]);
ex.call(params, &mut substate, output, &mut tracer, &mut NoopVMTracer).unwrap()
ex.call(params, &mut substate, output, &mut tracer, &mut vm_tracer).unwrap()
};
assert_eq!(gas_left, U256::from(44_752));
let expected_trace = vec![ Trace {
depth: 0,
action: trace::Action::Call(trace::Call {
@@ -674,7 +677,39 @@ mod tests {
}]
}];
assert_eq!(tracer.traces(), expected_trace);
assert_eq!(gas_left, U256::from(44_752));
let expected_vm_trace = VMTrace {
parent_step: 0,
code: vec![124, 96, 16, 128, 96, 12, 96, 0, 57, 96, 0, 243, 0, 96, 0, 53, 84, 21, 96, 9, 87, 0, 91, 96, 32, 53, 96, 0, 53, 85, 96, 0, 82, 96, 29, 96, 3, 96, 23, 240, 96, 0, 85],
operations: vec![
VMOperation { pc: 1, instruction: 124, gas_cost: x!(3), stack: vecx![] },
VMOperation { pc: 31, instruction: 96, gas_cost: x!(3), stack: vecx![U256::from_dec_str("2589892687202724018173567190521546555304938078595079151649957320078677").unwrap()] },
VMOperation { pc: 33, instruction: 82, gas_cost: x!(6), stack: vecx![U256::from_dec_str("2589892687202724018173567190521546555304938078595079151649957320078677").unwrap(), 0] },
VMOperation { pc: 34, instruction: 96, gas_cost: x!(3), stack: vecx![] },
VMOperation { pc: 36, instruction: 96, gas_cost: x!(3), stack: vecx![29] },
VMOperation { pc: 38, instruction: 96, gas_cost: x!(3), stack: vecx![29, 3] },
VMOperation { pc: 40, instruction: 240, gas_cost: x!(32000), stack: vecx![29, 3, 23] },
VMOperation { pc: 41, instruction: 96, gas_cost: x!(3), stack: vecx![U256::from_dec_str("1135198453258042933984631383966629874710669425204").unwrap()] },
VMOperation { pc: 43, instruction: 85, gas_cost: x!(20000), stack: vecx![U256::from_dec_str("1135198453258042933984631383966629874710669425204").unwrap(), 0] }
],
subs: vec![
VMTrace {
parent_step: 7,
code: vec![96, 16, 128, 96, 12, 96, 0, 57, 96, 0, 243, 0, 96, 0, 53, 84, 21, 96, 9, 87, 0, 91, 96, 32, 53, 96, 0, 53, 85],
operations: vec![
VMOperation { pc: 1, instruction: 96, gas_cost: x!(3), stack: vecx![] },
VMOperation { pc: 3, instruction: 128, gas_cost: x!(3), stack: vecx![16] },
VMOperation { pc: 4, instruction: 96, gas_cost: x!(3), stack: vecx![16, 16] },
VMOperation { pc: 6, instruction: 96, gas_cost: x!(3), stack: vecx![16, 16, 12] },
VMOperation { pc: 8, instruction: 57, gas_cost: x!(9), stack: vecx![16, 16, 12, 0] },
VMOperation { pc: 9, instruction: 96, gas_cost: x!(3), stack: vecx![16] },
VMOperation { pc: 11, instruction: 243, gas_cost: x!(0), stack: vecx![16, 0] }
],
subs: vec![]
}
]
};
assert_eq!(vm_tracer.drain().unwrap(), expected_vm_trace);
}
evm_test!{test_create_contract: test_create_contract_jit, test_create_contract_int}
@@ -709,12 +744,15 @@ mod tests {
let engine = TestEngine::new(5);
let mut substate = Substate::new();
let mut tracer = ExecutiveTracer::default();
let mut vm_tracer = ExecutiveVMTracer::default();
let gas_left = {
let mut ex = Executive::new(&mut state, &info, &engine, &factory);
ex.create(params.clone(), &mut substate, &mut tracer, &mut NoopVMTracer).unwrap()
ex.create(params.clone(), &mut substate, &mut tracer, &mut vm_tracer).unwrap()
};
assert_eq!(gas_left, U256::from(96_776));
let expected_trace = vec![Trace {
depth: 0,
action: trace::Action::Create(trace::Create {
@@ -730,9 +768,23 @@ mod tests {
}),
subs: vec![]
}];
assert_eq!(tracer.traces(), expected_trace);
assert_eq!(gas_left, U256::from(96_776));
let expected_vm_trace = VMTrace {
parent_step: 0,
code: vec![96, 16, 128, 96, 12, 96, 0, 57, 96, 0, 243, 0, 96, 0, 53, 84, 21, 96, 9, 87, 0, 91, 96, 32, 53, 96, 0, 53, 85],
operations: vec![
VMOperation { pc: 1, instruction: 96, gas_cost: x!(3), stack: vecx![] },
VMOperation { pc: 3, instruction: 128, gas_cost: x!(3), stack: vecx![16] },
VMOperation { pc: 4, instruction: 96, gas_cost: x!(3), stack: vecx![16, 16] },
VMOperation { pc: 6, instruction: 96, gas_cost: x!(3), stack: vecx![16, 16, 12] },
VMOperation { pc: 8, instruction: 57, gas_cost: x!(9), stack: vecx![16, 16, 12, 0] },
VMOperation { pc: 9, instruction: 96, gas_cost: x!(3), stack: vecx![16] },
VMOperation { pc: 11, instruction: 243, gas_cost: x!(0), stack: vecx![16, 0] }
],
subs: vec![]
};
assert_eq!(vm_tracer.drain().unwrap(), expected_vm_trace);
}
evm_test!{test_create_contract_value_too_high: test_create_contract_value_too_high_jit, test_create_contract_value_too_high_int}

4
ethcore/src/trace/executive_tracer.rs
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@@ -117,7 +117,7 @@ impl VMTracer for ExecutiveVMTracer {
self.data.operations.push(VMOperation {
pc: pc,
instruction: instruction,
gas_cost: gas_cost.clone(),
gas_cost: gas_cost.clone(),
stack: stack.iter().cloned().collect(),
})
}
@@ -135,5 +135,5 @@ impl VMTracer for ExecutiveVMTracer {
self.data.subs.push(sub.data);
}
fn drain(self) -> Option<VMTrace> { Some(self.data) }
fn drain(mut self) -> Option<VMTrace> { self.data.subs.pop() }
}

2
ethcore/src/trace/mod.rs
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@@ -31,7 +31,7 @@ pub use self::block::BlockTraces;
pub use self::config::{Config, Switch};
pub use self::db::TraceDB;
pub use self::error::Error;
pub use types::trace_types::trace::{Trace, VMTrace};
pub use types::trace_types::trace::{Trace, VMTrace, VMOperation};
pub use self::noop_tracer::{NoopTracer, NoopVMTracer};
pub use self::executive_tracer::{ExecutiveTracer, ExecutiveVMTracer};
pub use types::trace_types::filter::{Filter, AddressesFilter};

7
util/src/common.rs
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@@ -52,6 +52,13 @@ macro_rules! mapx {
}
}
#[macro_export]
macro_rules! vecx {
( $( $x:expr ),* ) => {
vec![ $( From::from($x) ),* ]
}
}
#[macro_export]
macro_rules! x {
( $x:expr ) => {