Merge pull request #81 from gavofyork/evm_tests

fixed getting block info in evmjit + tests

src/evm/jit.rs

@@ -328,12 +328,11 @@ impl evm::Evm for JitEvm {
 		data.call_value = params.value;
 		data.code = params.code.clone();
 
-		// TODO:
+		data.author = ext.env_info().author.clone();
-		data.author = Address::new();
+		data.difficulty = ext.env_info().difficulty;
-		data.difficulty = U256::zero();
+		data.gas_limit = ext.env_info().gas_limit;
-		data.gas_limit = U256::zero();
+		data.number = ext.env_info().number;
-		data.number = 0;
+		data.timestamp = ext.env_info().timestamp;
-		data.timestamp = 0;
 		
 		let mut context = unsafe { evmjit::ContextHandle::new(data.into_jit(), &mut ext_handle) };
 		let res = context.exec();

src/evm/tests.rs

@@ -323,3 +323,103 @@ fn test_calldataload() {
 	assert_eq!(ext.store.get(&H256::new()).unwrap(), &H256::from_str("23ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff23").unwrap());
 
 }
+
+#[test]
+fn test_author() {
+	let author = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
+	let code = "41600055".from_hex().unwrap();
+
+	let mut params = ActionParams::new();
+	params.gas = U256::from(100_000);
+	params.code = code;
+	let mut ext = FakeExt::new();
+	ext.info.author = author;
+
+	let gas_left = {
+		let vm = Factory::create();
+		vm.exec(&params, &mut ext).unwrap()
+	};
+
+	assert_eq!(gas_left, U256::from(79_995));
+	assert_eq!(ext.store.get(&H256::new()).unwrap(), &H256::from_str("0000000000000000000000000f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap());
+}
+
+#[test]
+fn test_timestamp() {
+	let timestamp = 0x1234; 
+	let code = "42600055".from_hex().unwrap();
+
+	let mut params = ActionParams::new();
+	params.gas = U256::from(100_000);
+	params.code = code;
+	let mut ext = FakeExt::new();
+	ext.info.timestamp = timestamp;
+
+	let gas_left = {
+		let vm = Factory::create();
+		vm.exec(&params, &mut ext).unwrap()
+	};
+
+	assert_eq!(gas_left, U256::from(79_995));
+	assert_eq!(ext.store.get(&H256::new()).unwrap(), &H256::from_str("0000000000000000000000000000000000000000000000000000000000001234").unwrap());
+}
+
+#[test]
+fn test_number() {
+	let number = 0x1234; 
+	let code = "43600055".from_hex().unwrap();
+
+	let mut params = ActionParams::new();
+	params.gas = U256::from(100_000);
+	params.code = code;
+	let mut ext = FakeExt::new();
+	ext.info.number = number;
+
+	let gas_left = {
+		let vm = Factory::create();
+		vm.exec(&params, &mut ext).unwrap()
+	};
+
+	assert_eq!(gas_left, U256::from(79_995));
+	assert_eq!(ext.store.get(&H256::new()).unwrap(), &H256::from_str("0000000000000000000000000000000000000000000000000000000000001234").unwrap());
+}
+
+#[test]
+fn test_difficulty() {
+	let difficulty = U256::from(0x1234);
+	let code = "44600055".from_hex().unwrap();
+
+	let mut params = ActionParams::new();
+	params.gas = U256::from(100_000);
+	params.code = code;
+	let mut ext = FakeExt::new();
+	ext.info.difficulty = difficulty;
+
+	let gas_left = {
+		let vm = Factory::create();
+		vm.exec(&params, &mut ext).unwrap()
+	};
+
+	assert_eq!(gas_left, U256::from(79_995));
+	assert_eq!(ext.store.get(&H256::new()).unwrap(), &H256::from_str("0000000000000000000000000000000000000000000000000000000000001234").unwrap());
+}
+
+#[test]
+fn test_gas_limit() {
+	let gas_limit = U256::from(0x1234);
+	let code = "45600055".from_hex().unwrap();
+
+	let mut params = ActionParams::new();
+	params.gas = U256::from(100_000);
+	params.code = code;
+	let mut ext = FakeExt::new();
+	ext.info.gas_limit = gas_limit;
+
+	let gas_left = {
+		let vm = Factory::create();
+		vm.exec(&params, &mut ext).unwrap()
+	};
+
+	assert_eq!(gas_left, U256::from(79_995));
+	assert_eq!(ext.store.get(&H256::new()).unwrap(), &H256::from_str("0000000000000000000000000000000000000000000000000000000000001234").unwrap());
+}