From f75fb6a59faae7f6d7665153de4d4fbcdc2c8ccf Mon Sep 17 00:00:00 2001
From: Gav Wood <gavin@ethcore.io>
Date: Sun, 20 Mar 2016 11:33:36 +0100
Subject: [PATCH] Create transaction tracing test.

---
 ethcore/src/evm/factory.rs | 12 +++++------
 ethcore/src/executive.rs   |  2 ++
 ethcore/src/state.rs       | 42 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 50 insertions(+), 6 deletions(-)

diff --git a/ethcore/src/evm/factory.rs b/ethcore/src/evm/factory.rs
index 4a9bd38ba..65add0050 100644
--- a/ethcore/src/evm/factory.rs
+++ b/ethcore/src/evm/factory.rs
@@ -25,7 +25,7 @@ use evm::Evm;
 /// Type of EVM to use.
 pub enum VMType {
 	/// JIT EVM
-	#[cfg(feature="jit")]
+	#[cfg(feature = "jit")]
 	Jit,
 	/// RUST EVM
 	Interpreter
@@ -52,13 +52,13 @@ impl fmt::Display for VMType {
 #[cfg(feature = "json-tests")]
 impl VMType {
 	/// Return all possible VMs (JIT, Interpreter)
-	#[cfg(feature="jit")]
+	#[cfg(feature = "jit")]
 	pub fn all() -> Vec<VMType> {
 		vec![VMType::Jit, VMType::Interpreter]
 	}
 
 	/// Return all possible VMs (Interpreter)
-	#[cfg(not(feature="jit"))]
+	#[cfg(not(feature = "jit"))]
 	pub fn all() -> Vec<VMType> {
 		vec![VMType::Interpreter]
 	}
@@ -66,12 +66,12 @@ impl VMType {
 
 /// Evm factory. Creates appropriate Evm.
 pub struct Factory {
-	evm : VMType
+	evm: VMType
 }
 
 impl Factory {
 	/// Create fresh instance of VM
-	#[cfg(feature="jit")]
+	#[cfg(feature = "jit")]
 	pub fn create(&self) -> Box<Evm> {
 		match self.evm {
 			VMType::Jit => {
@@ -84,7 +84,7 @@ impl Factory {
 	}
 
 	/// Create fresh instance of VM
-	#[cfg(not(feature="jit"))]
+	#[cfg(not(feature = "jit"))]
 	pub fn create(&self) -> Box<Evm> {
 		match self.evm {
 			VMType::Interpreter => {
diff --git a/ethcore/src/executive.rs b/ethcore/src/executive.rs
index 2421150e5..49cea6f23 100644
--- a/ethcore/src/executive.rs
+++ b/ethcore/src/executive.rs
@@ -310,6 +310,8 @@ impl<'a> Executive<'a> {
 				c.result = res.as_ref().ok().map(|gas_left| (c.gas - *gas_left, created, output));
 			}
 		}
+		
+		trace!(target: "executive", "trace_info={:?}", trace_info);
 
 		self.enact_result(&res, substate, unconfirmed_substate, trace_info);
 		res
diff --git a/ethcore/src/state.rs b/ethcore/src/state.rs
index cad29b678..2f64401d2 100644
--- a/ethcore/src/state.rs
+++ b/ethcore/src/state.rs
@@ -349,6 +349,48 @@ use util::rlp::*;
 use account::*;
 use tests::helpers::*;
 use devtools::*;
+use evm::factory::*;
+use env_info::*;
+use transaction::*;
+use util::log::init_log;
+use trace::*;
+
+#[test]
+fn should_apply_create_transaction() {
+	init_log();
+
+	let temp = RandomTempPath::new();
+	let mut state = get_temp_state_in(temp.as_path());
+
+	let mut info = EnvInfo::default();
+	info.gas_limit = x!(1_000_000);
+	let engine = TestEngine::new(5, Factory::default());
+
+	let t = Transaction {
+		nonce: x!(0),
+		gas_price: x!(0),
+		gas: x!(100_000),
+		action: Action::Create,
+		value: x!(100),
+		data: FromHex::from_hex("601080600c6000396000f3006000355415600957005b60203560003555").unwrap(),
+	}.sign(&"".sha3());
+
+	state.add_balance(t.sender().as_ref().unwrap(), &x!(100));
+	let result = state.apply(&info, &engine, &t, true).unwrap();
+	let expected_trace = Some(Trace {
+		depth: 0,
+		action: TraceAction::Create(TraceCreate {
+			from: x!("9cce34f7ab185c7aba1b7c8140d620b4bda941d6"),
+			value: x!(100),
+			gas: x!(77412),
+			init: 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],
+			result: Some((x!(3224), x!("8988167e088c87cd314df6d3c2b83da5acb93ace"), vec![96, 0, 53, 84, 21, 96, 9, 87, 0, 91, 96, 32, 53, 96, 0, 53]))
+		}),
+		subs: vec![]
+	});
+
+	assert_eq!(result.trace, expected_trace);
+}
 
 #[test]
 fn code_from_database() {