openethereum/src/executive.rs

778 lines
26 KiB
Rust
Raw Normal View History

2016-01-11 02:42:02 +01:00
//! Transaction Execution environment.
2016-01-11 16:33:08 +01:00
use common::*;
2016-01-07 19:05:44 +01:00
use state::*;
use engine::*;
2016-01-15 14:22:46 +01:00
use evm::{self, Factory, Ext};
use externalities::*;
use substate::*;
2016-01-07 23:33:54 +01:00
2016-01-09 00:51:09 +01:00
/// Returns new address created from address and given nonce.
2016-01-08 00:16:15 +01:00
pub fn contract_address(address: &Address, nonce: &U256) -> Address {
2016-01-07 23:33:54 +01:00
let mut stream = RlpStream::new_list(2);
stream.append(address);
stream.append(nonce);
From::from(stream.out().sha3())
}
2016-01-07 19:05:44 +01:00
2016-01-11 19:25:37 +01:00
/// Transaction execution receipt.
#[derive(Debug)]
2016-01-11 02:17:29 +01:00
pub struct Executed {
/// Gas paid up front for execution of transaction.
pub gas: U256,
/// Gas used during execution of transaction.
pub gas_used: U256,
/// Gas refunded after the execution of transaction.
/// To get gas that was required up front, add `refunded` and `gas_used`.
pub refunded: U256,
/// Cumulative gas used in current block so far.
///
/// `cumulative_gas_used = gas_used(t0) + gas_used(t1) + ... gas_used(tn)`
2016-01-11 02:17:29 +01:00
///
/// where `tn` is current transaction.
pub cumulative_gas_used: U256,
/// Vector of logs generated by transaction.
2016-01-11 17:37:22 +01:00
pub logs: Vec<LogEntry>,
/// Addresses of contracts created during execution of transaction.
/// Ordered from earliest creation.
///
/// eg. sender creates contract A and A in constructor creates contract B
///
/// B creation ends first, and it will be the first element of the vector.
pub contracts_created: Vec<Address>
2016-01-07 19:05:44 +01:00
}
2016-01-11 19:25:37 +01:00
/// Transaction execution result.
2016-01-11 02:17:29 +01:00
pub type ExecutionResult = Result<Executed, ExecutionError>;
2016-01-11 19:25:37 +01:00
/// Transaction executor.
2016-01-07 19:05:44 +01:00
pub struct Executive<'a> {
state: &'a mut State,
info: &'a EnvInfo,
engine: &'a Engine,
depth: usize
2016-01-07 19:05:44 +01:00
}
impl<'a> Executive<'a> {
2016-01-11 19:25:37 +01:00
/// Basic constructor.
2016-01-14 17:24:57 +01:00
pub fn new(state: &'a mut State, info: &'a EnvInfo, engine: &'a Engine) -> Self {
Executive::new_with_depth(state, info, engine, 0)
2016-01-09 17:55:47 +01:00
}
2016-01-09 00:51:09 +01:00
2016-01-11 14:08:03 +01:00
/// Populates executive from parent properties. Increments executive depth.
2016-01-15 14:22:46 +01:00
pub fn from_parent(state: &'a mut State, info: &'a EnvInfo, engine: &'a Engine, depth: usize) -> Self {
2016-01-14 17:24:57 +01:00
Executive::new_with_depth(state, info, engine, depth + 1)
2016-01-09 00:51:09 +01:00
}
2016-01-09 21:39:38 +01:00
/// Helper constructor. Should be used to create `Executive` with desired depth.
/// Private.
2016-01-14 17:24:57 +01:00
fn new_with_depth(state: &'a mut State, info: &'a EnvInfo, engine: &'a Engine, depth: usize) -> Self {
2016-01-07 19:05:44 +01:00
Executive {
state: state,
info: info,
engine: engine,
depth: depth
2016-01-07 19:05:44 +01:00
}
}
2016-01-15 14:22:46 +01:00
/// Creates `Externalities` from `Executive`.
pub fn to_externalities<'_>(&'_ mut self, params: &'_ ActionParams, substate: &'_ mut Substate, output: OutputPolicy<'_>) -> Externalities {
Externalities::new(self.state, self.info, self.engine, self.depth, params, substate, output)
}
2016-01-09 21:39:38 +01:00
/// This funtion should be used to execute transaction.
2016-01-15 14:22:46 +01:00
pub fn transact(&'a mut self, t: &Transaction) -> Result<Executed, Error> {
2016-01-11 20:47:19 +01:00
let sender = try!(t.sender());
2016-01-11 02:42:02 +01:00
let nonce = self.state.nonce(&sender);
2016-01-10 12:29:35 +01:00
2016-01-15 13:07:44 +01:00
let schedule = self.engine.schedule(self.info);
let base_gas_required = U256::from(t.gas_required(&schedule));
if t.gas < base_gas_required {
return Err(From::from(ExecutionError::NotEnoughBaseGas { required: base_gas_required, got: t.gas }));
}
let init_gas = t.gas - base_gas_required;
2016-01-14 02:20:46 +01:00
2016-01-10 12:29:35 +01:00
// validate transaction nonce
if t.nonce != nonce {
2016-01-15 13:07:44 +01:00
return Err(From::from(ExecutionError::InvalidNonce { expected: nonce, got: t.nonce }));
2016-01-10 12:29:35 +01:00
}
2016-01-11 02:17:29 +01:00
// validate if transaction fits into given block
2016-01-11 02:42:02 +01:00
if self.info.gas_used + t.gas > self.info.gas_limit {
2016-01-11 20:47:19 +01:00
return Err(From::from(ExecutionError::BlockGasLimitReached {
2016-01-11 02:42:02 +01:00
gas_limit: self.info.gas_limit,
gas_used: self.info.gas_used,
2016-01-11 02:17:29 +01:00
gas: t.gas
2016-01-11 20:47:19 +01:00
}));
2016-01-11 02:17:29 +01:00
}
2016-01-10 12:29:35 +01:00
// TODO: we might need bigints here, or at least check overflows.
2016-01-11 02:42:02 +01:00
let balance = self.state.balance(&sender);
2016-01-12 17:40:34 +01:00
let gas_cost = U512::from(t.gas) * U512::from(t.gas_price);
let total_cost = U512::from(t.value) + gas_cost;
2016-01-10 12:29:35 +01:00
// avoid unaffordable transactions
2016-01-12 17:40:34 +01:00
if U512::from(balance) < total_cost {
2016-01-15 13:07:44 +01:00
return Err(From::from(ExecutionError::NotEnoughCash { required: total_cost, got: U512::from(balance) }));
2016-01-10 12:29:35 +01:00
}
2016-01-07 21:29:36 +01:00
2016-01-11 02:17:29 +01:00
// NOTE: there can be no invalid transactions from this point.
2016-01-11 02:42:02 +01:00
self.state.inc_nonce(&sender);
2016-01-12 17:40:34 +01:00
self.state.sub_balance(&sender, &U256::from(gas_cost));
2016-01-09 21:39:38 +01:00
let mut substate = Substate::new();
2016-01-11 15:23:27 +01:00
let res = match t.action() {
&Action::Create => {
2016-01-11 16:33:08 +01:00
let params = ActionParams {
2016-01-10 12:29:35 +01:00
address: contract_address(&sender, &nonce),
2016-01-09 17:55:47 +01:00
sender: sender.clone(),
origin: sender.clone(),
2016-01-14 01:18:44 +01:00
gas: init_gas,
2016-01-09 17:55:47 +01:00
gas_price: t.gas_price,
value: t.value,
code: t.data.clone(),
data: vec![],
};
2016-01-11 15:23:27 +01:00
self.create(&params, &mut substate)
2016-01-09 00:51:09 +01:00
},
2016-01-11 15:23:27 +01:00
&Action::Call(ref address) => {
2016-01-11 16:33:08 +01:00
let params = ActionParams {
2016-01-11 15:23:27 +01:00
address: address.clone(),
2016-01-09 17:55:47 +01:00
sender: sender.clone(),
origin: sender.clone(),
2016-01-14 01:18:44 +01:00
gas: init_gas,
2016-01-09 17:55:47 +01:00
gas_price: t.gas_price,
value: t.value,
2016-01-11 15:23:27 +01:00
code: self.state.code(address).unwrap_or(vec![]),
2016-01-09 17:55:47 +01:00
data: t.data.clone(),
};
2016-01-13 15:26:52 +01:00
// TODO: move output upstream
let mut out = vec![];
self.call(&params, &mut substate, BytesRef::Flexible(&mut out))
2016-01-09 17:55:47 +01:00
}
2016-01-09 21:39:38 +01:00
};
// finalize here!
2016-01-14 17:40:38 +01:00
Ok(try!(self.finalize(t, substate, res)))
2016-01-07 19:05:44 +01:00
}
2016-01-09 21:39:38 +01:00
/// Calls contract function with given contract params.
2016-01-11 02:17:29 +01:00
/// NOTE. It does not finalize the transaction (doesn't do refunds, nor suicides).
/// Modifies the substate and the output.
/// Returns either gas_left or `evm::Error`.
2016-01-13 15:26:52 +01:00
pub fn call(&mut self, params: &ActionParams, substate: &mut Substate, mut output: BytesRef) -> evm::Result {
2016-01-14 17:40:38 +01:00
// backup used in case of running out of gas
let backup = self.state.clone();
2016-01-09 22:54:16 +01:00
// at first, transfer value to destination
2016-01-11 02:42:02 +01:00
self.state.transfer_balance(&params.sender, &params.address, &params.value);
2016-01-09 22:54:16 +01:00
2016-01-11 02:42:02 +01:00
if self.engine.is_builtin(&params.address) {
2016-01-11 02:17:29 +01:00
// if destination is builtin, try to execute it
2016-01-11 02:42:02 +01:00
let cost = self.engine.cost_of_builtin(&params.address, &params.data);
2016-01-11 02:17:29 +01:00
match cost <= params.gas {
true => {
2016-01-13 15:26:52 +01:00
self.engine.execute_builtin(&params.address, &params.data, &mut output);
2016-01-11 02:17:29 +01:00
Ok(params.gas - cost)
2016-01-09 22:54:16 +01:00
},
2016-01-14 17:40:38 +01:00
// just drain the whole gas
2016-01-15 11:39:10 +01:00
false => {
2016-01-15 13:08:37 +01:00
self.state.revert(backup);
Err(evm::Error::OutOfGas)
2016-01-15 11:39:10 +01:00
}
2016-01-09 22:54:16 +01:00
}
2016-01-11 02:17:29 +01:00
} else if params.code.len() > 0 {
// if destination is a contract, do normal message call
2016-01-14 17:40:38 +01:00
2016-01-15 00:54:19 +01:00
// part of substate that may be reverted
let mut unconfirmed_substate = Substate::new();
2016-01-14 17:40:38 +01:00
let res = {
2016-01-15 14:22:46 +01:00
let mut ext = self.to_externalities(params, &mut unconfirmed_substate, OutputPolicy::Return(output));
self.engine.vm_factory().create().exec(&params, &mut ext)
2016-01-14 17:40:38 +01:00
};
2016-01-15 01:00:32 +01:00
self.enact_result(&res, substate, unconfirmed_substate, backup);
2016-01-14 19:52:40 +01:00
res
2016-01-11 02:17:29 +01:00
} else {
// otherwise, nothing
Ok(params.gas)
2016-01-09 22:54:16 +01:00
}
2016-01-07 19:05:44 +01:00
}
2016-01-09 02:12:17 +01:00
2016-01-09 21:39:38 +01:00
/// Creates contract with given contract params.
2016-01-11 02:17:29 +01:00
/// NOTE. It does not finalize the transaction (doesn't do refunds, nor suicides).
/// Modifies the substate.
2016-01-15 14:22:46 +01:00
pub fn create(&mut self, params: &ActionParams, substate: &mut Substate) -> evm::Result {
2016-01-14 17:40:38 +01:00
// backup used in case of running out of gas
let backup = self.state.clone();
2016-01-15 00:54:19 +01:00
// part of substate that may be reverted
let mut unconfirmed_substate = Substate::new();
2016-01-09 22:54:16 +01:00
// at first create new contract
2016-01-11 02:42:02 +01:00
self.state.new_contract(&params.address);
2016-01-14 17:40:38 +01:00
2016-01-09 22:54:16 +01:00
// then transfer value to it
2016-01-11 02:42:02 +01:00
self.state.transfer_balance(&params.sender, &params.address, &params.value);
2016-01-09 17:55:47 +01:00
2016-01-14 17:40:38 +01:00
let res = {
2016-01-15 14:22:46 +01:00
let mut ext = self.to_externalities(params, &mut unconfirmed_substate, OutputPolicy::InitContract);
self.engine.vm_factory().create().exec(&params, &mut ext)
2016-01-14 17:40:38 +01:00
};
2016-01-15 01:00:32 +01:00
self.enact_result(&res, substate, unconfirmed_substate, backup);
2016-01-14 19:52:40 +01:00
res
2016-01-07 19:05:44 +01:00
}
2016-01-09 21:39:38 +01:00
2016-01-09 22:54:16 +01:00
/// Finalizes the transaction (does refunds and suicides).
2016-01-14 17:40:38 +01:00
fn finalize(&mut self, t: &Transaction, substate: Substate, result: evm::Result) -> ExecutionResult {
2016-01-15 00:36:58 +01:00
let schedule = self.engine.schedule(self.info);
// refunds from SSTORE nonzero -> zero
let sstore_refunds = U256::from(schedule.sstore_refund_gas) * substate.refunds_count;
// refunds from contract suicides
let suicide_refunds = U256::from(schedule.suicide_refund_gas) * U256::from(substate.suicides.len());
// real ammount to refund
let gas_left = match &result { &Ok(x) => x, _ => x!(0) };
let refund = cmp::min(sstore_refunds + suicide_refunds, (t.gas - gas_left) / U256::from(2)) + gas_left;
let refund_value = refund * t.gas_price;
2016-01-15 01:02:14 +01:00
trace!("Refunding sender: sstore0s: {}, suicides: {}, gas_left: {}, refund: {}, refund_value: {}, sender: {}", sstore_refunds, suicide_refunds, gas_left, refund, refund_value, t.sender().unwrap());
2016-01-15 00:36:58 +01:00
self.state.add_balance(&t.sender().unwrap(), &refund_value);
// fees earned by author
let fees = t.gas - refund;
let fees_value = fees * t.gas_price;
let author = &self.info.author;
self.state.add_balance(author, &fees_value);
2016-01-15 00:40:20 +01:00
trace!("Compensating author: fees: {}, fees_value: {}, author: {}", fees, fees_value, author);
2016-01-15 00:36:58 +01:00
// perform suicides
for address in substate.suicides.iter() {
2016-01-15 00:40:20 +01:00
trace!("Killing {}", address);
2016-01-15 00:36:58 +01:00
self.state.kill_account(address);
}
let gas_used = t.gas - gas_left;
match result {
Err(evm::Error::Internal) => Err(ExecutionError::Internal),
// TODO [ToDr] BadJumpDestination @debris - how to handle that?
Err(evm::Error::OutOfGas)
| Err(evm::Error::BadJumpDestination { destination: _ })
| Err(evm::Error::BadInstruction { instruction: _ })
2016-01-14 01:31:45 +01:00
| Err(evm::Error::StackUnderflow {instruction: _, wanted: _, on_stack: _})
| Err(evm::Error::OutOfStack {instruction: _, wanted: _, limit: _}) => {
2016-01-11 17:37:22 +01:00
Ok(Executed {
gas: t.gas,
gas_used: t.gas,
refunded: U256::zero(),
cumulative_gas_used: self.info.gas_used + t.gas,
logs: vec![],
2016-01-15 02:16:04 +01:00
excepted: true,
contracts_created: vec![]
2016-01-11 17:37:22 +01:00
})
},
2016-01-15 00:36:58 +01:00
Ok(_) => {
2016-01-11 16:05:21 +01:00
Ok(Executed {
gas: t.gas,
gas_used: gas_used,
refunded: refund,
cumulative_gas_used: self.info.gas_used + gas_used,
2016-01-11 17:37:22 +01:00
logs: substate.logs,
contracts_created: substate.contracts_created
2016-01-11 16:05:21 +01:00
})
2016-01-14 17:40:38 +01:00
},
2016-01-14 22:41:39 +01:00
_err => {
Ok(Executed {
gas: t.gas,
gas_used: t.gas,
refunded: U256::zero(),
cumulative_gas_used: self.info.gas_used + t.gas,
logs: vec![],
contracts_created: vec![]
})
}
2016-01-09 23:24:01 +01:00
}
2016-01-09 21:39:38 +01:00
}
2016-01-14 17:40:38 +01:00
2016-01-15 01:00:32 +01:00
fn enact_result(&mut self, result: &evm::Result, substate: &mut Substate, un_substate: Substate, backup: State) {
2016-01-15 00:04:40 +01:00
// TODO: handle other evm::Errors same as OutOfGas once they are implemented
match result {
2016-01-15 02:16:04 +01:00
&Err(evm::Error::OutOfGas)
| &Err(evm::Error::BadJumpDestination { destination: _ })
| &Err(evm::Error::BadInstruction { instruction: _ })
| &Err(evm::Error::StackUnderflow {instruction: _, wanted: _, on_stack: _})
| &Err(evm::Error::OutOfStack {instruction: _, wanted: _, limit: _}) => {
2016-01-15 00:04:40 +01:00
self.state.revert(backup);
},
2016-01-15 00:54:19 +01:00
&Ok(_) | &Err(evm::Error::Internal) => substate.accrue(un_substate)
2016-01-14 17:40:38 +01:00
}
}
2016-01-09 17:55:47 +01:00
}
2016-01-07 23:33:54 +01:00
#[cfg(test)]
mod tests {
2016-01-11 17:49:49 +01:00
use super::*;
use common::*;
2016-01-09 01:33:50 +01:00
use state::*;
use ethereum;
use engine::*;
use spec::*;
use evm::Schedule;
2016-01-15 14:22:46 +01:00
use substate::*;
2016-01-09 01:33:50 +01:00
struct TestEngine {
2016-01-14 17:24:57 +01:00
factory: Factory,
spec: Spec,
2016-01-14 01:40:55 +01:00
max_depth: usize
}
impl TestEngine {
2016-01-14 17:24:57 +01:00
fn new(max_depth: usize, factory: Factory) -> TestEngine {
TestEngine {
2016-01-14 17:24:57 +01:00
factory: factory,
2016-01-13 01:23:01 +01:00
spec: ethereum::new_frontier_test(),
2016-01-14 01:40:55 +01:00
max_depth: max_depth
}
}
}
impl Engine for TestEngine {
fn name(&self) -> &str { "TestEngine" }
fn spec(&self) -> &Spec { &self.spec }
2016-01-14 17:24:57 +01:00
fn vm_factory(&self) -> &Factory {
&self.factory
}
fn schedule(&self, _env_info: &EnvInfo) -> Schedule {
let mut schedule = Schedule::new_frontier();
2016-01-14 01:40:55 +01:00
schedule.max_depth = self.max_depth;
schedule
}
}
2016-01-07 23:33:54 +01:00
#[test]
fn test_contract_address() {
let address = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
2016-01-09 02:12:17 +01:00
let expected_address = Address::from_str("3f09c73a5ed19289fb9bdc72f1742566df146f56").unwrap();
assert_eq!(expected_address, contract_address(&address, &U256::from(88)));
2016-01-07 23:33:54 +01:00
}
2016-01-09 01:33:50 +01:00
2016-01-09 13:51:59 +01:00
// TODO: replace params with transactions!
2016-01-14 16:17:44 +01:00
evm_test!{test_sender_balance: test_sender_balance_jit, test_sender_balance_int}
fn test_sender_balance(factory: Factory) {
2016-01-09 02:12:17 +01:00
let sender = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
let address = contract_address(&sender, &U256::zero());
2016-01-11 16:33:08 +01:00
let mut params = ActionParams::new();
2016-01-09 02:12:17 +01:00
params.address = address.clone();
params.sender = sender.clone();
params.gas = U256::from(100_000);
2016-01-09 02:12:17 +01:00
params.code = "3331600055".from_hex().unwrap();
params.value = U256::from(0x7);
let mut state = State::new_temp();
state.add_balance(&sender, &U256::from(0x100u64));
let info = EnvInfo::new();
2016-01-14 17:24:57 +01:00
let engine = TestEngine::new(0, factory);
2016-01-09 21:39:38 +01:00
let mut substate = Substate::new();
2016-01-09 02:12:17 +01:00
let gas_left = {
2016-01-14 17:24:57 +01:00
let mut ex = Executive::new(&mut state, &info, &engine);
ex.create(&params, &mut substate).unwrap()
};
2016-01-09 02:12:17 +01:00
assert_eq!(gas_left, U256::from(79_975));
2016-01-09 13:51:59 +01:00
assert_eq!(state.storage_at(&address, &H256::new()), H256::from(&U256::from(0xf9u64)));
2016-01-09 02:12:17 +01:00
assert_eq!(state.balance(&sender), U256::from(0xf9));
assert_eq!(state.balance(&address), U256::from(0x7));
// 0 cause contract hasn't returned
assert_eq!(substate.contracts_created.len(), 0);
2016-01-11 17:37:22 +01:00
// TODO: just test state root.
2016-01-09 01:33:50 +01:00
}
2016-01-09 13:51:59 +01:00
2016-01-14 16:17:44 +01:00
evm_test!{test_create_contract: test_create_contract_jit, test_create_contract_int}
fn test_create_contract(factory: Factory) {
// code:
//
// 7c 601080600c6000396000f3006000355415600957005b60203560003555 - push 29 bytes?
// 60 00 - push 0
// 52
// 60 1d - push 29
// 60 03 - push 3
// 60 17 - push 17
// f0 - create
// 60 00 - push 0
// 55 sstore
//
// other code:
//
// 60 10 - push 16
// 80 - duplicate first stack item
// 60 0c - push 12
// 60 00 - push 0
// 39 - copy current code to memory
// 60 00 - push 0
// f3 - return
let code = "7c601080600c6000396000f3006000355415600957005b60203560003555600052601d60036017f0600055".from_hex().unwrap();
2016-01-09 13:51:59 +01:00
let sender = Address::from_str("cd1722f3947def4cf144679da39c4c32bdc35681").unwrap();
let address = contract_address(&sender, &U256::zero());
// TODO: add tests for 'callcreate'
//let next_address = contract_address(&address, &U256::zero());
2016-01-11 16:33:08 +01:00
let mut params = ActionParams::new();
2016-01-09 13:51:59 +01:00
params.address = address.clone();
params.sender = sender.clone();
params.origin = sender.clone();
params.gas = U256::from(100_000);
params.code = code.clone();
params.value = U256::from(100);
2016-01-09 13:51:59 +01:00
let mut state = State::new_temp();
state.add_balance(&sender, &U256::from(100));
2016-01-09 13:51:59 +01:00
let info = EnvInfo::new();
2016-01-14 17:24:57 +01:00
let engine = TestEngine::new(0, factory);
2016-01-09 21:39:38 +01:00
let mut substate = Substate::new();
2016-01-09 13:51:59 +01:00
let gas_left = {
2016-01-14 17:24:57 +01:00
let mut ex = Executive::new(&mut state, &info, &engine);
ex.create(&params, &mut substate).unwrap()
};
2016-01-09 13:51:59 +01:00
2016-01-13 13:16:53 +01:00
assert_eq!(gas_left, U256::from(62_976));
// ended with max depth
assert_eq!(substate.contracts_created.len(), 0);
}
2016-01-14 16:17:44 +01:00
evm_test!{test_create_contract_value_too_high: test_create_contract_value_too_high_jit, test_create_contract_value_too_high_int}
fn test_create_contract_value_too_high(factory: Factory) {
2016-01-13 13:16:53 +01:00
// code:
//
// 7c 601080600c6000396000f3006000355415600957005b60203560003555 - push 29 bytes?
// 60 00 - push 0
// 52
// 60 1d - push 29
// 60 03 - push 3
// 60 e6 - push 230
// f0 - create a contract trying to send 230.
// 60 00 - push 0
// 55 sstore
//
// other code:
//
// 60 10 - push 16
// 80 - duplicate first stack item
// 60 0c - push 12
// 60 00 - push 0
// 39 - copy current code to memory
// 60 00 - push 0
// f3 - return
let code = "7c601080600c6000396000f3006000355415600957005b60203560003555600052601d600360e6f0600055".from_hex().unwrap();
let sender = Address::from_str("cd1722f3947def4cf144679da39c4c32bdc35681").unwrap();
let address = contract_address(&sender, &U256::zero());
// TODO: add tests for 'callcreate'
//let next_address = contract_address(&address, &U256::zero());
let mut params = ActionParams::new();
params.address = address.clone();
params.sender = sender.clone();
params.origin = sender.clone();
params.gas = U256::from(100_000);
params.code = code.clone();
params.value = U256::from(100);
let mut state = State::new_temp();
state.add_balance(&sender, &U256::from(100));
let info = EnvInfo::new();
2016-01-14 17:24:57 +01:00
let engine = TestEngine::new(0, factory);
2016-01-13 13:16:53 +01:00
let mut substate = Substate::new();
let gas_left = {
2016-01-14 17:24:57 +01:00
let mut ex = Executive::new(&mut state, &info, &engine);
2016-01-13 13:16:53 +01:00
ex.create(&params, &mut substate).unwrap()
};
assert_eq!(gas_left, U256::from(62_976));
assert_eq!(substate.contracts_created.len(), 0);
}
2016-01-14 16:17:44 +01:00
evm_test!{test_create_contract_without_max_depth: test_create_contract_without_max_depth_jit, test_create_contract_without_max_depth_int}
fn test_create_contract_without_max_depth(factory: Factory) {
// code:
//
// 7c 601080600c6000396000f3006000355415600957005b60203560003555 - push 29 bytes?
// 60 00 - push 0
// 52
// 60 1d - push 29
// 60 03 - push 3
// 60 17 - push 17
// f0 - create
// 60 00 - push 0
// 55 sstore
//
// other code:
//
// 60 10 - push 16
// 80 - duplicate first stack item
// 60 0c - push 12
// 60 00 - push 0
// 39 - copy current code to memory
// 60 00 - push 0
// f3 - return
2016-01-14 12:33:49 +01:00
let code = "7c601080600c6000396000f3006000355415600957005b60203560003555600052601d60036017f0".from_hex().unwrap();
2016-01-09 13:51:59 +01:00
let sender = Address::from_str("cd1722f3947def4cf144679da39c4c32bdc35681").unwrap();
let address = contract_address(&sender, &U256::zero());
let next_address = contract_address(&address, &U256::zero());
2016-01-11 16:33:08 +01:00
let mut params = ActionParams::new();
2016-01-09 13:51:59 +01:00
params.address = address.clone();
params.sender = sender.clone();
params.origin = sender.clone();
params.gas = U256::from(100_000);
params.code = code.clone();
params.value = U256::from(100);
2016-01-09 13:51:59 +01:00
let mut state = State::new_temp();
state.add_balance(&sender, &U256::from(100));
2016-01-09 13:51:59 +01:00
let info = EnvInfo::new();
2016-01-14 17:24:57 +01:00
let engine = TestEngine::new(1024, factory);
2016-01-09 21:39:38 +01:00
let mut substate = Substate::new();
2016-01-09 13:51:59 +01:00
{
2016-01-14 17:24:57 +01:00
let mut ex = Executive::new(&mut state, &info, &engine);
ex.create(&params, &mut substate).unwrap();
2016-01-09 13:51:59 +01:00
}
assert_eq!(substate.contracts_created.len(), 1);
assert_eq!(substate.contracts_created[0], next_address);
}
2016-01-14 16:17:44 +01:00
evm_test!{test_aba_calls: test_aba_calls_jit, test_aba_calls_int}
fn test_aba_calls(factory: Factory) {
// 60 00 - push 0
// 60 00 - push 0
// 60 00 - push 0
// 60 00 - push 0
// 60 18 - push 18
// 73 945304eb96065b2a98b57a48a06ae28d285a71b5 - push this address
// 61 03e8 - push 1000
// f1 - message call
// 58 - get PC
// 55 - sstore
let code_a = "6000600060006000601873945304eb96065b2a98b57a48a06ae28d285a71b56103e8f15855".from_hex().unwrap();
// 60 00 - push 0
// 60 00 - push 0
// 60 00 - push 0
// 60 00 - push 0
// 60 17 - push 17
// 73 0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6 - push this address
// 61 0x01f4 - push 500
// f1 - message call
// 60 01 - push 1
// 01 - add
// 58 - get PC
// 55 - sstore
let code_b = "60006000600060006017730f572e5295c57f15886f9b263e2f6d2d6c7b5ec66101f4f16001015855".from_hex().unwrap();
let address_a = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
let address_b = Address::from_str("945304eb96065b2a98b57a48a06ae28d285a71b5" ).unwrap();
let sender = Address::from_str("cd1722f3947def4cf144679da39c4c32bdc35681").unwrap();
let mut params = ActionParams::new();
params.address = address_a.clone();
params.sender = sender.clone();
params.gas = U256::from(100_000);
params.code = code_a.clone();
params.value = U256::from(100_000);
let mut state = State::new_temp();
state.init_code(&address_a, code_a.clone());
state.init_code(&address_b, code_b.clone());
state.add_balance(&sender, &U256::from(100_000));
let info = EnvInfo::new();
2016-01-14 17:24:57 +01:00
let engine = TestEngine::new(0, factory);
let mut substate = Substate::new();
let gas_left = {
2016-01-14 17:24:57 +01:00
let mut ex = Executive::new(&mut state, &info, &engine);
2016-01-13 15:26:52 +01:00
ex.call(&params, &mut substate, BytesRef::Fixed(&mut [])).unwrap()
};
assert_eq!(gas_left, U256::from(73_237));
assert_eq!(state.storage_at(&address_a, &H256::from(&U256::from(0x23))), H256::from(&U256::from(1)));
}
2016-01-14 16:17:44 +01:00
evm_test!{test_recursive_bomb1: test_recursive_bomb1_jit, test_recursive_bomb1_int}
fn test_recursive_bomb1(factory: Factory) {
// 60 01 - push 1
// 60 00 - push 0
// 54 - sload
// 01 - add
// 60 00 - push 0
// 55 - sstore
// 60 00 - push 0
// 60 00 - push 0
// 60 00 - push 0
// 60 00 - push 0
// 60 00 - push 0
// 30 - load address
// 60 e0 - push e0
// 5a - get gas
// 03 - sub
// f1 - message call (self in this case)
// 60 01 - push 1
// 55 - sstore
let sender = Address::from_str("cd1722f3947def4cf144679da39c4c32bdc35681").unwrap();
2016-01-11 14:08:03 +01:00
let code = "600160005401600055600060006000600060003060e05a03f1600155".from_hex().unwrap();
let address = contract_address(&sender, &U256::zero());
2016-01-11 16:33:08 +01:00
let mut params = ActionParams::new();
params.address = address.clone();
params.gas = U256::from(100_000);
params.code = code.clone();
let mut state = State::new_temp();
state.init_code(&address, code.clone());
let info = EnvInfo::new();
2016-01-14 17:24:57 +01:00
let engine = TestEngine::new(0, factory);
let mut substate = Substate::new();
let gas_left = {
2016-01-14 17:24:57 +01:00
let mut ex = Executive::new(&mut state, &info, &engine);
2016-01-13 15:26:52 +01:00
ex.call(&params, &mut substate, BytesRef::Fixed(&mut [])).unwrap()
};
assert_eq!(gas_left, U256::from(59_870));
assert_eq!(state.storage_at(&address, &H256::from(&U256::zero())), H256::from(&U256::from(1)));
assert_eq!(state.storage_at(&address, &H256::from(&U256::one())), H256::from(&U256::from(1)));
2016-01-09 13:51:59 +01:00
}
2016-01-12 18:31:47 +01:00
2016-01-14 16:17:44 +01:00
evm_test!{test_transact_simple: test_transact_simple_jit, test_transact_simple_int}
fn test_transact_simple(factory: Factory) {
let mut t = Transaction::new_create(U256::from(17), "3331600055".from_hex().unwrap(), U256::from(100_000), U256::zero(), U256::zero());
let keypair = KeyPair::create().unwrap();
t.sign(&keypair.secret());
2016-01-12 18:31:47 +01:00
let sender = t.sender().unwrap();
2016-01-12 19:43:26 +01:00
let contract = contract_address(&sender, &U256::zero());
2016-01-12 18:31:47 +01:00
let mut state = State::new_temp();
2016-01-12 19:43:26 +01:00
state.add_balance(&sender, &U256::from(18));
2016-01-12 18:31:47 +01:00
let mut info = EnvInfo::new();
info.gas_limit = U256::from(100_000);
2016-01-14 17:24:57 +01:00
let engine = TestEngine::new(0, factory);
2016-01-12 18:31:47 +01:00
let executed = {
2016-01-14 17:24:57 +01:00
let mut ex = Executive::new(&mut state, &info, &engine);
2016-01-12 18:31:47 +01:00
ex.transact(&t).unwrap()
};
assert_eq!(executed.gas, U256::from(100_000));
2016-01-14 16:40:50 +01:00
assert_eq!(executed.gas_used, U256::from(41_301));
assert_eq!(executed.refunded, U256::from(58_699));
assert_eq!(executed.cumulative_gas_used, U256::from(41_301));
2016-01-12 18:31:47 +01:00
assert_eq!(executed.logs.len(), 0);
assert_eq!(executed.contracts_created.len(), 0);
2016-01-12 19:43:26 +01:00
assert_eq!(state.balance(&sender), U256::from(1));
assert_eq!(state.balance(&contract), U256::from(17));
assert_eq!(state.nonce(&sender), U256::from(1));
assert_eq!(state.storage_at(&contract, &H256::new()), H256::from(&U256::from(1)));
2016-01-12 18:31:47 +01:00
}
2016-01-14 16:17:44 +01:00
evm_test!{test_transact_invalid_sender: test_transact_invalid_sender_jit, test_transact_invalid_sender_int}
fn test_transact_invalid_sender(factory: Factory) {
2016-01-12 19:43:26 +01:00
let t = Transaction::new_create(U256::from(17), "3331600055".from_hex().unwrap(), U256::from(100_000), U256::zero(), U256::zero());
2016-01-12 18:31:47 +01:00
let mut state = State::new_temp();
2016-01-12 19:43:26 +01:00
let mut info = EnvInfo::new();
info.gas_limit = U256::from(100_000);
2016-01-14 17:24:57 +01:00
let engine = TestEngine::new(0, factory);
2016-01-12 18:31:47 +01:00
let res = {
2016-01-14 17:24:57 +01:00
let mut ex = Executive::new(&mut state, &info, &engine);
2016-01-12 18:31:47 +01:00
ex.transact(&t)
};
match res {
Err(Error::Util(UtilError::Crypto(CryptoError::InvalidSignature))) => (),
2016-01-12 19:43:26 +01:00
_ => assert!(false, "Expected invalid signature error.")
2016-01-12 18:31:47 +01:00
}
}
2016-01-14 16:17:44 +01:00
evm_test!{test_transact_invalid_nonce: test_transact_invalid_nonce_jit, test_transact_invalid_nonce_int}
fn test_transact_invalid_nonce(factory: Factory) {
let mut t = Transaction::new_create(U256::from(17), "3331600055".from_hex().unwrap(), U256::from(100_000), U256::zero(), U256::one());
let keypair = KeyPair::create().unwrap();
t.sign(&keypair.secret());
2016-01-12 19:43:26 +01:00
let sender = t.sender().unwrap();
2016-01-12 18:31:47 +01:00
let mut state = State::new_temp();
2016-01-12 19:43:26 +01:00
state.add_balance(&sender, &U256::from(17));
let mut info = EnvInfo::new();
info.gas_limit = U256::from(100_000);
2016-01-14 17:24:57 +01:00
let engine = TestEngine::new(0, factory);
2016-01-12 19:43:26 +01:00
let res = {
2016-01-14 17:24:57 +01:00
let mut ex = Executive::new(&mut state, &info, &engine);
2016-01-12 19:43:26 +01:00
ex.transact(&t)
};
match res {
2016-01-15 13:07:44 +01:00
Err(Error::Execution(ExecutionError::InvalidNonce { expected, got }))
if expected == U256::zero() && got == U256::one() => (),
2016-01-12 19:43:26 +01:00
_ => assert!(false, "Expected invalid nonce error.")
}
}
2016-01-14 16:17:44 +01:00
evm_test!{test_transact_gas_limit_reached: test_transact_gas_limit_reached_jit, test_transact_gas_limit_reached_int}
fn test_transact_gas_limit_reached(factory: Factory) {
2016-01-12 19:43:26 +01:00
let mut t = Transaction::new_create(U256::from(17), "3331600055".from_hex().unwrap(), U256::from(80_001), U256::zero(), U256::zero());
let keypair = KeyPair::create().unwrap();
t.sign(&keypair.secret());
let sender = t.sender().unwrap();
let mut state = State::new_temp();
state.add_balance(&sender, &U256::from(17));
let mut info = EnvInfo::new();
info.gas_used = U256::from(20_000);
info.gas_limit = U256::from(100_000);
2016-01-14 17:24:57 +01:00
let engine = TestEngine::new(0, factory);
2016-01-12 19:43:26 +01:00
let res = {
2016-01-14 17:24:57 +01:00
let mut ex = Executive::new(&mut state, &info, &engine);
2016-01-12 19:43:26 +01:00
ex.transact(&t)
};
match res {
Err(Error::Execution(ExecutionError::BlockGasLimitReached { gas_limit, gas_used, gas }))
if gas_limit == U256::from(100_000) && gas_used == U256::from(20_000) && gas == U256::from(80_001) => (),
_ => assert!(false, "Expected block gas limit error.")
}
}
2016-01-14 16:17:44 +01:00
evm_test!{test_not_enough_cash: test_not_enough_cash_jit, test_not_enough_cash_int}
fn test_not_enough_cash(factory: Factory) {
2016-01-12 19:43:26 +01:00
let mut t = Transaction::new_create(U256::from(18), "3331600055".from_hex().unwrap(), U256::from(100_000), U256::one(), U256::zero());
let keypair = KeyPair::create().unwrap();
t.sign(&keypair.secret());
let sender = t.sender().unwrap();
let mut state = State::new_temp();
state.add_balance(&sender, &U256::from(100_017));
let mut info = EnvInfo::new();
info.gas_limit = U256::from(100_000);
2016-01-14 17:24:57 +01:00
let engine = TestEngine::new(0, factory);
2016-01-12 18:31:47 +01:00
let res = {
2016-01-14 17:24:57 +01:00
let mut ex = Executive::new(&mut state, &info, &engine);
2016-01-12 18:31:47 +01:00
ex.transact(&t)
};
match res {
2016-01-15 13:07:44 +01:00
Err(Error::Execution(ExecutionError::NotEnoughCash { required , got }))
if required == U512::from(100_018) && got == U512::from(100_017) => (),
2016-01-13 13:16:53 +01:00
_ => assert!(false, "Expected not enough cash error. {:?}", res)
}
2016-01-09 13:51:59 +01:00
}
2016-01-07 23:33:54 +01:00
}