openethereum/src/executive.rs

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//! Transaction Execution environment.
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use common::*;
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use state::*;
use engine::*;
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use evm::{self, Ext};
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use externalities::*;
use substate::*;
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/// Returns new address created from address and given nonce.
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pub fn contract_address(address: &Address, nonce: &U256) -> Address {
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let mut stream = RlpStream::new_list(2);
stream.append(address);
stream.append(nonce);
From::from(stream.out().sha3())
}
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/// Transaction execution receipt.
#[derive(Debug)]
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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)`
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///
/// where `tn` is current transaction.
pub cumulative_gas_used: U256,
/// Vector of logs generated by transaction.
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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>
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}
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/// Transaction execution result.
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pub type ExecutionResult = Result<Executed, ExecutionError>;
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/// Transaction executor.
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pub struct Executive<'a> {
state: &'a mut State,
info: &'a EnvInfo,
engine: &'a Engine,
depth: usize
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}
impl<'a> Executive<'a> {
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/// Basic constructor.
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pub fn new(state: &'a mut State, info: &'a EnvInfo, engine: &'a Engine) -> Self {
Executive::new_with_depth(state, info, engine, 0)
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}
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/// Populates executive from parent properties. Increments executive depth.
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pub fn from_parent(state: &'a mut State, info: &'a EnvInfo, engine: &'a Engine, depth: usize) -> Self {
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Executive::new_with_depth(state, info, engine, depth + 1)
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}
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/// Helper constructor. Should be used to create `Executive` with desired depth.
/// Private.
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fn new_with_depth(state: &'a mut State, info: &'a EnvInfo, engine: &'a Engine, depth: usize) -> Self {
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Executive {
state: state,
info: info,
engine: engine,
depth: depth
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}
}
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/// Creates `Externalities` from `Executive`.
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pub fn as_externalities<'_>(&'_ mut self, origin_info: OriginInfo, substate: &'_ mut Substate, output: OutputPolicy<'_>) -> Externalities {
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Externalities::new(self.state, self.info, self.engine, self.depth, origin_info, substate, output)
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}
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/// This funtion should be used to execute transaction.
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pub fn transact(&'a mut self, t: &Transaction) -> Result<Executed, Error> {
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let sender = try!(t.sender());
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let nonce = self.state.nonce(&sender);
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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;
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// validate transaction nonce
if t.nonce != nonce {
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return Err(From::from(ExecutionError::InvalidNonce { expected: nonce, got: t.nonce }));
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}
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// validate if transaction fits into given block
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if self.info.gas_used + t.gas > self.info.gas_limit {
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return Err(From::from(ExecutionError::BlockGasLimitReached {
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gas_limit: self.info.gas_limit,
gas_used: self.info.gas_used,
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gas: t.gas
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}));
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}
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// TODO: we might need bigints here, or at least check overflows.
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let balance = self.state.balance(&sender);
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let gas_cost = U512::from(t.gas) * U512::from(t.gas_price);
let total_cost = U512::from(t.value) + gas_cost;
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// avoid unaffordable transactions
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if U512::from(balance) < total_cost {
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return Err(From::from(ExecutionError::NotEnoughCash { required: total_cost, got: U512::from(balance) }));
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}
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// NOTE: there can be no invalid transactions from this point.
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self.state.inc_nonce(&sender);
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self.state.sub_balance(&sender, &U256::from(gas_cost));
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let mut substate = Substate::new();
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let res = match *t.action() {
Action::Create => {
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let new_address = contract_address(&sender, &nonce);
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let params = ActionParams {
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code_address: new_address.clone(),
address: new_address,
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sender: sender.clone(),
origin: sender.clone(),
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gas: init_gas,
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gas_price: t.gas_price,
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value: ActionValue::Transfer(t.value),
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code: Some(t.data.clone()),
data: None,
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};
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self.create(params, &mut substate)
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},
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Action::Call(ref address) => {
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let params = ActionParams {
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code_address: address.clone(),
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address: address.clone(),
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sender: sender.clone(),
origin: sender.clone(),
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gas: init_gas,
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gas_price: t.gas_price,
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value: ActionValue::Transfer(t.value),
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code: self.state.code(address),
data: Some(t.data.clone()),
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};
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// TODO: move output upstream
let mut out = vec![];
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self.call(params, &mut substate, BytesRef::Flexible(&mut out))
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}
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};
// finalize here!
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Ok(try!(self.finalize(t, substate, res)))
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}
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/// Calls contract function with given contract params.
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/// 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`.
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pub fn call(&mut self, params: ActionParams, substate: &mut Substate, mut output: BytesRef) -> evm::Result {
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// backup used in case of running out of gas
let backup = self.state.clone();
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// at first, transfer value to destination
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if let ActionValue::Transfer(val) = params.value {
self.state.transfer_balance(&params.sender, &params.address, &val);
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}
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trace!("Executive::call(params={:?}) self.env_info={:?}", params, self.info);
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if self.engine.is_builtin(&params.code_address) {
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// if destination is builtin, try to execute it
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let default = [];
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let data = if let Some(ref d) = params.data { d as &[u8] } else { &default as &[u8] };
let cost = self.engine.cost_of_builtin(&params.code_address, data);
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match cost <= params.gas {
true => {
self.engine.execute_builtin(&params.code_address, data, &mut output);
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Ok(params.gas - cost)
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},
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// just drain the whole gas
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false => {
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self.state.revert(backup);
Err(evm::Error::OutOfGas)
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}
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}
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} else if params.code.is_some() {
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// if destination is a contract, do normal message call
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// part of substate that may be reverted
let mut unconfirmed_substate = Substate::new();
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let res = {
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let mut ext = self.as_externalities(OriginInfo::from(&params), &mut unconfirmed_substate, OutputPolicy::Return(output));
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self.engine.vm_factory().create().exec(params, &mut ext)
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};
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trace!("exec: sstore-clears={}\n", unconfirmed_substate.sstore_clears_count);
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trace!("exec: substate={:?}; unconfirmed_substate={:?}\n", substate, unconfirmed_substate);
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self.enact_result(&res, substate, unconfirmed_substate, backup);
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trace!("exec: new substate={:?}\n", substate);
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res
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} else {
// otherwise, nothing
Ok(params.gas)
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}
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}
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/// Creates contract with given contract params.
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/// NOTE. It does not finalize the transaction (doesn't do refunds, nor suicides).
/// Modifies the substate.
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pub fn create(&mut self, params: ActionParams, substate: &mut Substate) -> evm::Result {
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// backup used in case of running out of gas
let backup = self.state.clone();
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// part of substate that may be reverted
let mut unconfirmed_substate = Substate::new();
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// at first create new contract
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self.state.new_contract(&params.address);
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// then transfer value to it
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if let ActionValue::Transfer(val) = params.value {
self.state.transfer_balance(&params.sender, &params.address, &val);
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}
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let res = {
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let mut ext = self.as_externalities(OriginInfo::from(&params), &mut unconfirmed_substate, OutputPolicy::InitContract);
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self.engine.vm_factory().create().exec(params, &mut ext)
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};
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self.enact_result(&res, substate, unconfirmed_substate, backup);
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res
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}
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/// Finalizes the transaction (does refunds and suicides).
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fn finalize(&mut self, t: &Transaction, substate: Substate, result: evm::Result) -> ExecutionResult {
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let schedule = self.engine.schedule(self.info);
// refunds from SSTORE nonzero -> zero
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let sstore_refunds = U256::from(schedule.sstore_refund_gas) * substate.sstore_clears_count;
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// refunds from contract suicides
let suicide_refunds = U256::from(schedule.suicide_refund_gas) * U256::from(substate.suicides.len());
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let refunds_bound = sstore_refunds + suicide_refunds;
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// real ammount to refund
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let gas_left_prerefund = match result { Ok(x) => x, _ => x!(0) };
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let refunded = cmp::min(refunds_bound, (t.gas - gas_left_prerefund) / U256::from(2));
let gas_left = gas_left_prerefund + refunded;
let gas_used = t.gas - gas_left;
let refund_value = gas_left * t.gas_price;
let fees_value = gas_used * t.gas_price;
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trace!("exec::finalize: t.gas={}, sstore_refunds={}, suicide_refunds={}, refunds_bound={}, gas_left_prerefund={}, refunded={}, gas_left={}, gas_used={}, refund_value={}, fees_value={}\n",
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t.gas, sstore_refunds, suicide_refunds, refunds_bound, gas_left_prerefund, refunded, gas_left, gas_used, refund_value, fees_value);
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trace!("exec::finalize: Refunding refund_value={}, sender={}\n", refund_value, t.sender().unwrap());
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self.state.add_balance(&t.sender().unwrap(), &refund_value);
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trace!("exec::finalize: Compensating author: fees_value={}, author={}\n", fees_value, &self.info.author);
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self.state.add_balance(&self.info.author, &fees_value);
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// perform suicides
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for address in &substate.suicides {
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self.state.kill_account(address);
}
match result {
Err(evm::Error::Internal) => Err(ExecutionError::Internal),
// TODO [ToDr] BadJumpDestination @debris - how to handle that?
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Err(_) => {
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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![]
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})
},
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_ => {
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Ok(Executed {
gas: t.gas,
gas_used: gas_used,
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refunded: refunded,
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cumulative_gas_used: self.info.gas_used + gas_used,
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logs: substate.logs,
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contracts_created: substate.contracts_created,
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})
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},
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}
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}
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fn enact_result(&mut self, result: &evm::Result, substate: &mut Substate, un_substate: Substate, backup: State) {
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// TODO: handle other evm::Errors same as OutOfGas once they are implemented
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match *result {
Err(evm::Error::OutOfGas)
| Err(evm::Error::BadJumpDestination {..})
| Err(evm::Error::BadInstruction {.. })
| Err(evm::Error::StackUnderflow {..})
| Err(evm::Error::OutOfStack {..}) => {
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self.state.revert(backup);
},
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Ok(_) | Err(evm::Error::Internal) => substate.accrue(un_substate)
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}
}
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}
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#[cfg(test)]
mod tests {
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use super::*;
use common::*;
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use state::*;
use ethereum;
use engine::*;
use spec::*;
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use evm::{Schedule, Factory, VMType};
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use substate::*;
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struct TestEngine {
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factory: Factory,
spec: Spec,
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max_depth: usize
}
impl TestEngine {
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fn new(max_depth: usize, factory: Factory) -> TestEngine {
TestEngine {
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factory: factory,
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spec: ethereum::new_frontier_test(),
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max_depth: max_depth
}
}
}
impl Engine for TestEngine {
fn name(&self) -> &str { "TestEngine" }
fn spec(&self) -> &Spec { &self.spec }
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fn vm_factory(&self) -> &Factory {
&self.factory
}
fn schedule(&self, _env_info: &EnvInfo) -> Schedule {
let mut schedule = Schedule::new_frontier();
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schedule.max_depth = self.max_depth;
schedule
}
}
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#[test]
fn test_contract_address() {
let address = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
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let expected_address = Address::from_str("3f09c73a5ed19289fb9bdc72f1742566df146f56").unwrap();
assert_eq!(expected_address, contract_address(&address, &U256::from(88)));
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}
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// TODO: replace params with transactions!
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evm_test!{test_sender_balance: test_sender_balance_jit, test_sender_balance_int}
fn test_sender_balance(factory: Factory) {
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let sender = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
let address = contract_address(&sender, &U256::zero());
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let mut params = ActionParams::default();
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params.address = address.clone();
params.sender = sender.clone();
params.gas = U256::from(100_000);
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params.code = Some("3331600055".from_hex().unwrap());
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params.value = ActionValue::Transfer(U256::from(0x7));
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let mut state = State::new_temp();
state.add_balance(&sender, &U256::from(0x100u64));
let info = EnvInfo::new();
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let engine = TestEngine::new(0, factory);
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let mut substate = Substate::new();
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let gas_left = {
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let mut ex = Executive::new(&mut state, &info, &engine);
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ex.create(params, &mut substate).unwrap()
};
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assert_eq!(gas_left, U256::from(79_975));
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assert_eq!(state.storage_at(&address, &H256::new()), H256::from(&U256::from(0xf9u64)));
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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);
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// TODO: just test state root.
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}
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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();
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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());
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let mut params = ActionParams::default();
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params.address = address.clone();
params.sender = sender.clone();
params.origin = sender.clone();
params.gas = U256::from(100_000);
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params.code = Some(code.clone());
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params.value = ActionValue::Transfer(U256::from(100));
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let mut state = State::new_temp();
state.add_balance(&sender, &U256::from(100));
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let info = EnvInfo::new();
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let engine = TestEngine::new(0, factory);
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let mut substate = Substate::new();
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let gas_left = {
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let mut ex = Executive::new(&mut state, &info, &engine);
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ex.create(params, &mut substate).unwrap()
};
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assert_eq!(gas_left, U256::from(62_976));
// ended with max depth
assert_eq!(substate.contracts_created.len(), 0);
}
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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) {
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// 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());
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let mut params = ActionParams::default();
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params.address = address.clone();
params.sender = sender.clone();
params.origin = sender.clone();
params.gas = U256::from(100_000);
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params.code = Some(code.clone());
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params.value = ActionValue::Transfer(U256::from(100));
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let mut state = State::new_temp();
state.add_balance(&sender, &U256::from(100));
let info = EnvInfo::new();
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let engine = TestEngine::new(0, factory);
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let mut substate = Substate::new();
let gas_left = {
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let mut ex = Executive::new(&mut state, &info, &engine);
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ex.create(params, &mut substate).unwrap()
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};
assert_eq!(gas_left, U256::from(62_976));
assert_eq!(substate.contracts_created.len(), 0);
}
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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
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let code = "7c601080600c6000396000f3006000355415600957005b60203560003555600052601d60036017f0".from_hex().unwrap();
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let sender = Address::from_str("cd1722f3947def4cf144679da39c4c32bdc35681").unwrap();
let address = contract_address(&sender, &U256::zero());
let next_address = contract_address(&address, &U256::zero());
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let mut params = ActionParams::default();
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params.address = address.clone();
params.sender = sender.clone();
params.origin = sender.clone();
params.gas = U256::from(100_000);
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params.code = Some(code.clone());
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params.value = ActionValue::Transfer(U256::from(100));
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let mut state = State::new_temp();
state.add_balance(&sender, &U256::from(100));
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let info = EnvInfo::new();
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let engine = TestEngine::new(1024, factory);
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let mut substate = Substate::new();
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{
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let mut ex = Executive::new(&mut state, &info, &engine);
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ex.create(params, &mut substate).unwrap();
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}
assert_eq!(substate.contracts_created.len(), 1);
assert_eq!(substate.contracts_created[0], next_address);
}
// test is incorrect, mk
evm_test_ignore!{test_aba_calls: test_aba_calls_jit, test_aba_calls_int}
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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();
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let mut params = ActionParams::default();
params.address = address_a.clone();
params.sender = sender.clone();
params.gas = U256::from(100_000);
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params.code = Some(code_a.clone());
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params.value = ActionValue::Transfer(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();
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let engine = TestEngine::new(0, factory);
let mut substate = Substate::new();
let gas_left = {
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let mut ex = Executive::new(&mut state, &info, &engine);
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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)));
}
// test is incorrect, mk
evm_test_ignore!{test_recursive_bomb1: test_recursive_bomb1_jit, test_recursive_bomb1_int}
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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();
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let code = "600160005401600055600060006000600060003060e05a03f1600155".from_hex().unwrap();
let address = contract_address(&sender, &U256::zero());
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let mut params = ActionParams::default();
params.address = address.clone();
params.gas = U256::from(100_000);
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params.code = Some(code.clone());
let mut state = State::new_temp();
state.init_code(&address, code.clone());
let info = EnvInfo::new();
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let engine = TestEngine::new(0, factory);
let mut substate = Substate::new();
let gas_left = {
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let mut ex = Executive::new(&mut state, &info, &engine);
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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)));
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}
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// test is incorrect, mk
evm_test_ignore!{test_transact_simple: test_transact_simple_jit, test_transact_simple_int}
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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());
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let sender = t.sender().unwrap();
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let contract = contract_address(&sender, &U256::zero());
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let mut state = State::new_temp();
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state.add_balance(&sender, &U256::from(18));
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let mut info = EnvInfo::new();
info.gas_limit = U256::from(100_000);
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let engine = TestEngine::new(0, factory);
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let executed = {
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let mut ex = Executive::new(&mut state, &info, &engine);
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ex.transact(&t).unwrap()
};
assert_eq!(executed.gas, U256::from(100_000));
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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));
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assert_eq!(executed.logs.len(), 0);
assert_eq!(executed.contracts_created.len(), 0);
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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)));
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}
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evm_test!{test_transact_invalid_sender: test_transact_invalid_sender_jit, test_transact_invalid_sender_int}
fn test_transact_invalid_sender(factory: Factory) {
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let t = Transaction::new_create(U256::from(17), "3331600055".from_hex().unwrap(), U256::from(100_000), U256::zero(), U256::zero());
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let mut state = State::new_temp();
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let mut info = EnvInfo::new();
info.gas_limit = U256::from(100_000);
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let engine = TestEngine::new(0, factory);
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let res = {
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let mut ex = Executive::new(&mut state, &info, &engine);
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ex.transact(&t)
};
match res {
Err(Error::Util(UtilError::Crypto(CryptoError::InvalidSignature))) => (),
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_ => assert!(false, "Expected invalid signature error.")
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}
}
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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());
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let sender = t.sender().unwrap();
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let mut state = State::new_temp();
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state.add_balance(&sender, &U256::from(17));
let mut info = EnvInfo::new();
info.gas_limit = U256::from(100_000);
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let engine = TestEngine::new(0, factory);
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let res = {
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let mut ex = Executive::new(&mut state, &info, &engine);
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ex.transact(&t)
};
match res {
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Err(Error::Execution(ExecutionError::InvalidNonce { expected, got }))
if expected == U256::zero() && got == U256::one() => (),
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_ => assert!(false, "Expected invalid nonce error.")
}
}
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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) {
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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);
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let engine = TestEngine::new(0, factory);
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let res = {
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let mut ex = Executive::new(&mut state, &info, &engine);
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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.")
}
}
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evm_test!{test_not_enough_cash: test_not_enough_cash_jit, test_not_enough_cash_int}
fn test_not_enough_cash(factory: Factory) {
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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);
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let engine = TestEngine::new(0, factory);
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let res = {
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let mut ex = Executive::new(&mut state, &info, &engine);
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ex.transact(&t)
};
match res {
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Err(Error::Execution(ExecutionError::NotEnoughCash { required , got }))
if required == U512::from(100_018) && got == U512::from(100_017) => (),
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_ => assert!(false, "Expected not enough cash error. {:?}", res)
}
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}
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evm_test!{test_sha3: test_sha3_jit, test_sha3_int}
fn test_sha3(factory: Factory) {
let code = "6064640fffffffff20600055".from_hex().unwrap();
let sender = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
let address = contract_address(&sender, &U256::zero());
// TODO: add tests for 'callcreate'
//let next_address = contract_address(&address, &U256::zero());
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let mut params = ActionParams::default();
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params.address = address.clone();
params.sender = sender.clone();
params.origin = sender.clone();
params.gas = U256::from(0x0186a0);
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params.code = Some(code.clone());
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params.value = ActionValue::Transfer(U256::from_str("0de0b6b3a7640000").unwrap());
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let mut state = State::new_temp();
state.add_balance(&sender, &U256::from_str("152d02c7e14af6800000").unwrap());
let info = EnvInfo::new();
let engine = TestEngine::new(0, factory);
let mut substate = Substate::new();
let result = {
let mut ex = Executive::new(&mut state, &info, &engine);
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ex.create(params, &mut substate)
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};
match result {
Err(_) => {
},
_ => {
panic!("Expected OutOfGas");
}
}
}
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}