e2465b1eab
* Bumping clippy * Fixing warnings found by clippy
1128 lines
38 KiB
Rust
1128 lines
38 KiB
Rust
// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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//! Transaction Execution environment.
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use common::*;
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use state::*;
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use engine::*;
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use evm::{self, Ext};
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use externalities::*;
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use substate::*;
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use trace::{Trace, Tracer, NoopTracer, ExecutiveTracer};
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use crossbeam;
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/// Max depth to avoid stack overflow (when it's reached we start a new thread with VM)
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/// TODO [todr] We probably need some more sophisticated calculations here (limit on my machine 132)
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/// Maybe something like here: `https://github.com/ethereum/libethereum/blob/4db169b8504f2b87f7d5a481819cfb959fc65f6c/libethereum/ExtVM.cpp`
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const MAX_VM_DEPTH_FOR_THREAD: usize = 64;
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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);
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stream.append(address);
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stream.append(nonce);
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From::from(stream.out().sha3())
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}
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/// Transaction execution options.
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pub struct TransactOptions {
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/// Enable call tracing.
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pub tracing: bool,
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/// Check transaction nonce before execution.
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pub check_nonce: bool,
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}
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/// Transaction execution receipt.
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#[derive(Debug, PartialEq, Clone)]
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pub struct Executed {
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/// Gas paid up front for execution of transaction.
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pub gas: U256,
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/// Gas used during execution of transaction.
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pub gas_used: U256,
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/// Gas refunded after the execution of transaction.
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/// To get gas that was required up front, add `refunded` and `gas_used`.
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pub refunded: U256,
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/// Cumulative gas used in current block so far.
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///
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/// `cumulative_gas_used = gas_used(t0) + gas_used(t1) + ... gas_used(tn)`
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///
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/// where `tn` is current transaction.
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pub cumulative_gas_used: U256,
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/// Vector of logs generated by transaction.
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pub logs: Vec<LogEntry>,
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/// Addresses of contracts created during execution of transaction.
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/// Ordered from earliest creation.
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///
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/// eg. sender creates contract A and A in constructor creates contract B
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///
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/// B creation ends first, and it will be the first element of the vector.
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pub contracts_created: Vec<Address>,
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/// Transaction output.
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pub output: Bytes,
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/// The trace of this transaction.
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pub trace: Option<Trace>,
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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> {
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state: &'a mut State,
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info: &'a EnvInfo,
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engine: &'a Engine,
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depth: usize,
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}
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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 {
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Executive {
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state: state,
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info: info,
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engine: engine,
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depth: 0,
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}
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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, parent_depth: usize) -> Self {
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Executive {
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state: state,
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info: info,
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engine: engine,
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depth: parent_depth + 1,
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}
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}
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/// Creates `Externalities` from `Executive`.
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pub fn as_externalities<'_, T>(&'_ mut self, origin_info: OriginInfo, substate: &'_ mut Substate, output: OutputPolicy<'_, '_>, tracer: &'_ mut T) -> Externalities<'_, T> where T: Tracer {
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Externalities::new(self.state, self.info, self.engine, self.depth, origin_info, substate, output, tracer)
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}
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/// This function should be used to execute transaction.
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pub fn transact(&'a mut self, t: &SignedTransaction, options: TransactOptions) -> Result<Executed, Error> {
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let check = options.check_nonce;
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match options.tracing {
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true => self.transact_with_tracer(t, check, ExecutiveTracer::default()),
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false => self.transact_with_tracer(t, check, NoopTracer),
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}
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}
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/// Execute transaction/call with tracing enabled
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pub fn transact_with_tracer<T>(&'a mut self, t: &SignedTransaction, check_nonce: bool, mut tracer: T) -> Result<Executed, Error> where T: Tracer {
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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);
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let base_gas_required = U256::from(t.gas_required(&schedule));
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if t.gas < base_gas_required {
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return Err(From::from(ExecutionError::NotEnoughBaseGas { required: base_gas_required, got: t.gas }));
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}
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let init_gas = t.gas - base_gas_required;
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// validate transaction nonce
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if check_nonce && 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,
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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);
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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 (gas_left, output) = match t.action {
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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(),
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address: new_address,
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sender: sender.clone(),
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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()),
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data: None,
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};
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(self.create(params, &mut substate, &mut tracer), vec![])
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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(),
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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),
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data: Some(t.data.clone()),
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};
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// TODO: move output upstream
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let mut out = vec![];
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(self.call(params, &mut substate, BytesRef::Flexible(&mut out), &mut tracer), out)
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}
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};
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// finalize here!
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Ok(try!(self.finalize(t, substate, gas_left, output, tracer.traces().pop())))
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}
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fn exec_vm<T>(&mut self, params: ActionParams, unconfirmed_substate: &mut Substate, output_policy: OutputPolicy, tracer: &mut T)
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-> evm::Result where T: Tracer {
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// Ordinary execution - keep VM in same thread
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if (self.depth + 1) % MAX_VM_DEPTH_FOR_THREAD != 0 {
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let mut ext = self.as_externalities(OriginInfo::from(¶ms), unconfirmed_substate, output_policy, tracer);
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let vm_factory = self.engine.vm_factory();
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trace!(target: "executive", "ext.schedule.have_delegate_call: {}", ext.schedule().have_delegate_call);
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return vm_factory.create().exec(params, &mut ext);
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}
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// Start in new thread to reset stack
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// TODO [todr] No thread builder yet, so we need to reset once for a while
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// https://github.com/aturon/crossbeam/issues/16
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crossbeam::scope(|scope| {
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let mut ext = self.as_externalities(OriginInfo::from(¶ms), unconfirmed_substate, output_policy, tracer);
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let vm_factory = self.engine.vm_factory();
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scope.spawn(move || {
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vm_factory.create().exec(params, &mut ext)
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})
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}).join()
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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).
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/// Modifies the substate and the output.
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/// Returns either gas_left or `evm::Error`.
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pub fn call<T>(&mut self, params: ActionParams, substate: &mut Substate, mut output: BytesRef, tracer: &mut T)
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-> evm::Result where T: Tracer {
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// backup used in case of running out of gas
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self.state.snapshot();
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// at first, transfer value to destination
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if let ActionValue::Transfer(val) = params.value {
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self.state.transfer_balance(¶ms.sender, ¶ms.address, &val);
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}
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trace!("Executive::call(params={:?}) self.env_info={:?}", params, self.info);
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let delegate_call = params.code_address != params.address;
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if self.engine.is_builtin(¶ms.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] };
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let trace_info = tracer.prepare_trace_call(¶ms);
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let cost = self.engine.cost_of_builtin(¶ms.code_address, data);
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match cost <= params.gas {
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true => {
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self.engine.execute_builtin(¶ms.code_address, data, &mut output);
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self.state.clear_snapshot();
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// trace only top level calls to builtins to avoid DDoS attacks
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if self.depth == 0 {
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let mut trace_output = tracer.prepare_trace_output();
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if let Some(mut out) = trace_output.as_mut() {
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*out = output.to_owned();
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}
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tracer.trace_call(
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trace_info,
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cost,
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trace_output,
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self.depth,
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vec![],
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delegate_call
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);
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}
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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_snapshot();
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tracer.trace_failed_call(trace_info, self.depth, vec![], delegate_call);
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Err(evm::Error::OutOfGas)
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}
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}
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} else {
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let trace_info = tracer.prepare_trace_call(¶ms);
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let mut trace_output = tracer.prepare_trace_output();
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let mut subtracer = tracer.subtracer();
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let gas = params.gas;
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if params.code.is_some() {
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// part of substate that may be reverted
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let mut unconfirmed_substate = Substate::new();
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let res = {
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self.exec_vm(params, &mut unconfirmed_substate, OutputPolicy::Return(output, trace_output.as_mut()), &mut subtracer)
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};
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trace!(target: "executive", "res={:?}", res);
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let traces = subtracer.traces();
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match res {
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Ok(gas_left) => tracer.trace_call(
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trace_info,
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gas - gas_left,
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trace_output,
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self.depth,
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traces,
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delegate_call
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),
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_ => tracer.trace_failed_call(trace_info, self.depth, traces, delegate_call),
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};
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trace!(target: "executive", "substate={:?}; unconfirmed_substate={:?}\n", substate, unconfirmed_substate);
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self.enact_result(&res, substate, unconfirmed_substate);
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trace!(target: "executive", "enacted: substate={:?}\n", substate);
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res
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} else {
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// otherwise it's just a basic transaction, only do tracing, if necessary.
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self.state.clear_snapshot();
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tracer.trace_call(trace_info, U256::zero(), trace_output, self.depth, vec![], delegate_call);
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Ok(params.gas)
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}
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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).
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/// Modifies the substate.
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pub fn create<T>(&mut self, params: ActionParams, substate: &mut Substate, tracer: &mut T) -> evm::Result where T:
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Tracer {
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// backup used in case of running out of gas
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self.state.snapshot();
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// part of substate that may be reverted
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let mut unconfirmed_substate = Substate::new();
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// create contract and transfer value to it if necessary
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let prev_bal = self.state.balance(¶ms.address);
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if let ActionValue::Transfer(val) = params.value {
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self.state.sub_balance(¶ms.sender, &val);
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self.state.new_contract(¶ms.address, val + prev_bal);
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} else {
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self.state.new_contract(¶ms.address, prev_bal);
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}
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let trace_info = tracer.prepare_trace_create(¶ms);
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let mut trace_output = tracer.prepare_trace_output();
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let mut subtracer = tracer.subtracer();
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let gas = params.gas;
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let created = params.address.clone();
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let res = {
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self.exec_vm(params, &mut unconfirmed_substate, OutputPolicy::InitContract(trace_output.as_mut()), &mut subtracer)
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};
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match res {
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Ok(gas_left) => tracer.trace_create(
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trace_info,
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gas - gas_left,
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trace_output,
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created,
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self.depth,
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subtracer.traces()
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),
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_ => tracer.trace_failed_create(trace_info, self.depth, subtracer.traces())
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};
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self.enact_result(&res, substate, unconfirmed_substate);
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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: &SignedTransaction, substate: Substate, result: evm::Result, output: Bytes, trace: Option<Trace>) -> ExecutionResult {
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let schedule = self.engine.schedule(self.info);
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// 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
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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));
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let gas_left = gas_left_prerefund + refunded;
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let gas_used = t.gas - gas_left;
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let refund_value = gas_left * t.gas_price;
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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);
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}
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match result {
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Err(evm::Error::Internal) => Err(ExecutionError::Internal),
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Err(_) => {
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Ok(Executed {
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gas: t.gas,
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gas_used: t.gas,
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refunded: U256::zero(),
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cumulative_gas_used: self.info.gas_used + t.gas,
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logs: vec![],
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contracts_created: vec![],
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output: output,
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trace: trace,
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})
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},
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_ => {
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Ok(Executed {
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gas: t.gas,
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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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output: output,
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trace: trace,
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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) {
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match *result {
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Err(evm::Error::OutOfGas)
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| Err(evm::Error::BadJumpDestination {..})
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| Err(evm::Error::BadInstruction {.. })
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| Err(evm::Error::StackUnderflow {..})
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| Err(evm::Error::OutOfStack {..}) => {
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self.state.revert_snapshot();
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},
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Ok(_) | Err(evm::Error::Internal) => {
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self.state.clear_snapshot();
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substate.accrue(un_substate);
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}
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}
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}
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}
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#[cfg(test)]
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#[allow(dead_code)]
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mod tests {
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use super::*;
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use common::*;
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use evm::{Factory, VMType};
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use substate::*;
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use tests::helpers::*;
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use trace::trace;
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use trace::{Trace, Tracer, NoopTracer, ExecutiveTracer};
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#[test]
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fn test_contract_address() {
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let address = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
|
|
let expected_address = Address::from_str("3f09c73a5ed19289fb9bdc72f1742566df146f56").unwrap();
|
|
assert_eq!(expected_address, contract_address(&address, &U256::from(88)));
|
|
}
|
|
|
|
// TODO: replace params with transactions!
|
|
evm_test!{test_sender_balance: test_sender_balance_jit, test_sender_balance_int}
|
|
fn test_sender_balance(factory: Factory) {
|
|
let sender = Address::from_str("0f572e5295c57f15886f9b263e2f6d2d6c7b5ec6").unwrap();
|
|
let address = contract_address(&sender, &U256::zero());
|
|
let mut params = ActionParams::default();
|
|
params.address = address.clone();
|
|
params.sender = sender.clone();
|
|
params.gas = U256::from(100_000);
|
|
params.code = Some("3331600055".from_hex().unwrap());
|
|
params.value = ActionValue::Transfer(U256::from(0x7));
|
|
let mut state_result = get_temp_state();
|
|
let mut state = state_result.reference_mut();
|
|
state.add_balance(&sender, &U256::from(0x100u64));
|
|
let info = EnvInfo::default();
|
|
let engine = TestEngine::new(0, factory);
|
|
let mut substate = Substate::new();
|
|
|
|
let gas_left = {
|
|
let mut ex = Executive::new(&mut state, &info, &engine);
|
|
ex.create(params, &mut substate, &mut NoopTracer).unwrap()
|
|
};
|
|
|
|
assert_eq!(gas_left, U256::from(79_975));
|
|
assert_eq!(state.storage_at(&address, &H256::new()), H256::from(&U256::from(0xf9u64)));
|
|
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);
|
|
|
|
// TODO: just test state root.
|
|
}
|
|
|
|
evm_test!{test_create_contract_out_of_depth: test_create_contract_out_of_depth_jit, test_create_contract_out_of_depth_int}
|
|
fn test_create_contract_out_of_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
|
|
|
|
let code = "7c601080600c6000396000f3006000355415600957005b60203560003555600052601d60036017f0600055".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::default();
|
|
params.address = address.clone();
|
|
params.sender = sender.clone();
|
|
params.origin = sender.clone();
|
|
params.gas = U256::from(100_000);
|
|
params.code = Some(code.clone());
|
|
params.value = ActionValue::Transfer(U256::from(100));
|
|
let mut state_result = get_temp_state();
|
|
let mut state = state_result.reference_mut();
|
|
state.add_balance(&sender, &U256::from(100));
|
|
let info = EnvInfo::default();
|
|
let engine = TestEngine::new(0, factory);
|
|
let mut substate = Substate::new();
|
|
|
|
let gas_left = {
|
|
let mut ex = Executive::new(&mut state, &info, &engine);
|
|
ex.create(params, &mut substate, &mut NoopTracer).unwrap()
|
|
};
|
|
|
|
assert_eq!(gas_left, U256::from(62_976));
|
|
// ended with max depth
|
|
assert_eq!(substate.contracts_created.len(), 0);
|
|
}
|
|
|
|
evm_test!{test_call_to_create: test_call_to_create_jit, test_call_to_create_int}
|
|
fn test_call_to_create(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();
|
|
|
|
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::default();
|
|
params.address = address.clone();
|
|
params.code_address = address.clone();
|
|
params.sender = sender.clone();
|
|
params.origin = sender.clone();
|
|
params.gas = U256::from(100_000);
|
|
params.code = Some(code.clone());
|
|
params.value = ActionValue::Transfer(U256::from(100));
|
|
let mut state_result = get_temp_state();
|
|
let mut state = state_result.reference_mut();
|
|
state.add_balance(&sender, &U256::from(100));
|
|
let info = EnvInfo::default();
|
|
let engine = TestEngine::new(5, factory);
|
|
let mut substate = Substate::new();
|
|
let mut tracer = ExecutiveTracer::default();
|
|
|
|
let gas_left = {
|
|
let mut ex = Executive::new(&mut state, &info, &engine);
|
|
let output = BytesRef::Fixed(&mut[0u8;0]);
|
|
ex.call(params, &mut substate, output, &mut tracer).unwrap()
|
|
};
|
|
|
|
let expected_trace = vec![ Trace {
|
|
depth: 0,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: x!("cd1722f3947def4cf144679da39c4c32bdc35681"),
|
|
to: x!("b010143a42d5980c7e5ef0e4a4416dc098a4fed3"),
|
|
value: x!(100),
|
|
gas: x!(100000),
|
|
input: vec![],
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: U256::from(55_248),
|
|
output: vec![],
|
|
}),
|
|
subs: vec![Trace {
|
|
depth: 1,
|
|
action: trace::Action::Create(trace::Create {
|
|
from: x!("b010143a42d5980c7e5ef0e4a4416dc098a4fed3"),
|
|
value: x!(23),
|
|
gas: x!(67979),
|
|
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: trace::Res::Create(trace::CreateResult {
|
|
gas_used: U256::from(3224),
|
|
address: Address::from_str("c6d80f262ae5e0f164e5fde365044d7ada2bfa34").unwrap(),
|
|
code: vec![96, 0, 53, 84, 21, 96, 9, 87, 0, 91, 96, 32, 53, 96, 0, 53]
|
|
}),
|
|
subs: vec![]
|
|
}]
|
|
}];
|
|
assert_eq!(tracer.traces(), expected_trace);
|
|
assert_eq!(gas_left, U256::from(44_752));
|
|
}
|
|
|
|
evm_test!{test_create_contract: test_create_contract_jit, test_create_contract_int}
|
|
fn test_create_contract(factory: Factory) {
|
|
// 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 = "601080600c6000396000f3006000355415600957005b60203560003555".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::default();
|
|
params.address = address.clone();
|
|
params.sender = sender.clone();
|
|
params.origin = sender.clone();
|
|
params.gas = U256::from(100_000);
|
|
params.code = Some(code.clone());
|
|
params.value = ActionValue::Transfer(x!(100));
|
|
let mut state_result = get_temp_state();
|
|
let mut state = state_result.reference_mut();
|
|
state.add_balance(&sender, &U256::from(100));
|
|
let info = EnvInfo::default();
|
|
let engine = TestEngine::new(5, factory);
|
|
let mut substate = Substate::new();
|
|
let mut tracer = ExecutiveTracer::default();
|
|
|
|
let gas_left = {
|
|
let mut ex = Executive::new(&mut state, &info, &engine);
|
|
ex.create(params.clone(), &mut substate, &mut tracer).unwrap()
|
|
};
|
|
|
|
let expected_trace = vec![Trace {
|
|
depth: 0,
|
|
action: trace::Action::Create(trace::Create {
|
|
from: params.sender,
|
|
value: x!(100),
|
|
gas: params.gas,
|
|
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: trace::Res::Create(trace::CreateResult {
|
|
gas_used: U256::from(3224),
|
|
address: params.address,
|
|
code: vec![96, 0, 53, 84, 21, 96, 9, 87, 0, 91, 96, 32, 53, 96, 0, 53]
|
|
}),
|
|
subs: vec![]
|
|
}];
|
|
|
|
assert_eq!(tracer.traces(), expected_trace);
|
|
assert_eq!(gas_left, U256::from(96_776));
|
|
}
|
|
|
|
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) {
|
|
// 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::default();
|
|
params.address = address.clone();
|
|
params.sender = sender.clone();
|
|
params.origin = sender.clone();
|
|
params.gas = U256::from(100_000);
|
|
params.code = Some(code.clone());
|
|
params.value = ActionValue::Transfer(U256::from(100));
|
|
let mut state_result = get_temp_state();
|
|
let mut state = state_result.reference_mut();
|
|
state.add_balance(&sender, &U256::from(100));
|
|
let info = EnvInfo::default();
|
|
let engine = TestEngine::new(0, factory);
|
|
let mut substate = Substate::new();
|
|
|
|
let gas_left = {
|
|
let mut ex = Executive::new(&mut state, &info, &engine);
|
|
ex.create(params, &mut substate, &mut NoopTracer).unwrap()
|
|
};
|
|
|
|
assert_eq!(gas_left, U256::from(62_976));
|
|
assert_eq!(substate.contracts_created.len(), 0);
|
|
}
|
|
|
|
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
|
|
|
|
let code = "7c601080600c6000396000f3006000355415600957005b60203560003555600052601d60036017f0".from_hex().unwrap();
|
|
|
|
let sender = Address::from_str("cd1722f3947def4cf144679da39c4c32bdc35681").unwrap();
|
|
let address = contract_address(&sender, &U256::zero());
|
|
let next_address = contract_address(&address, &U256::zero());
|
|
let mut params = ActionParams::default();
|
|
params.address = address.clone();
|
|
params.sender = sender.clone();
|
|
params.origin = sender.clone();
|
|
params.gas = U256::from(100_000);
|
|
params.code = Some(code.clone());
|
|
params.value = ActionValue::Transfer(U256::from(100));
|
|
let mut state_result = get_temp_state();
|
|
let mut state = state_result.reference_mut();
|
|
state.add_balance(&sender, &U256::from(100));
|
|
let info = EnvInfo::default();
|
|
let engine = TestEngine::new(1024, factory);
|
|
let mut substate = Substate::new();
|
|
|
|
{
|
|
let mut ex = Executive::new(&mut state, &info, &engine);
|
|
ex.create(params, &mut substate, &mut NoopTracer).unwrap();
|
|
}
|
|
|
|
assert_eq!(substate.contracts_created.len(), 1);
|
|
assert_eq!(substate.contracts_created[0], next_address);
|
|
}
|
|
|
|
// test is incorrect, mk
|
|
// TODO: fix (preferred) or remove
|
|
evm_test_ignore!{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::default();
|
|
params.address = address_a.clone();
|
|
params.sender = sender.clone();
|
|
params.gas = U256::from(100_000);
|
|
params.code = Some(code_a.clone());
|
|
params.value = ActionValue::Transfer(U256::from(100_000));
|
|
|
|
let mut state_result = get_temp_state();
|
|
let mut state = state_result.reference_mut();
|
|
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::default();
|
|
let engine = TestEngine::new(0, factory);
|
|
let mut substate = Substate::new();
|
|
|
|
let gas_left = {
|
|
let mut ex = Executive::new(&mut state, &info, &engine);
|
|
ex.call(params, &mut substate, BytesRef::Fixed(&mut []), &mut NoopTracer).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
|
|
// TODO: fix (preferred) or remove
|
|
evm_test_ignore!{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();
|
|
let code = "600160005401600055600060006000600060003060e05a03f1600155".from_hex().unwrap();
|
|
let address = contract_address(&sender, &U256::zero());
|
|
let mut params = ActionParams::default();
|
|
params.address = address.clone();
|
|
params.gas = U256::from(100_000);
|
|
params.code = Some(code.clone());
|
|
let mut state_result = get_temp_state();
|
|
let mut state = state_result.reference_mut();
|
|
state.init_code(&address, code.clone());
|
|
let info = EnvInfo::default();
|
|
let engine = TestEngine::new(0, factory);
|
|
let mut substate = Substate::new();
|
|
|
|
let gas_left = {
|
|
let mut ex = Executive::new(&mut state, &info, &engine);
|
|
ex.call(params, &mut substate, BytesRef::Fixed(&mut []), &mut NoopTracer).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)));
|
|
}
|
|
|
|
// test is incorrect, mk
|
|
// TODO: fix (preferred) or remove
|
|
evm_test_ignore!{test_transact_simple: test_transact_simple_jit, test_transact_simple_int}
|
|
fn test_transact_simple(factory: Factory) {
|
|
let keypair = KeyPair::create().unwrap();
|
|
let t = Transaction {
|
|
action: Action::Create,
|
|
value: U256::from(17),
|
|
data: "3331600055".from_hex().unwrap(),
|
|
gas: U256::from(100_000),
|
|
gas_price: U256::zero(),
|
|
nonce: U256::zero()
|
|
}.sign(&keypair.secret());
|
|
let sender = t.sender().unwrap();
|
|
let contract = contract_address(&sender, &U256::zero());
|
|
|
|
let mut state_result = get_temp_state();
|
|
let mut state = state_result.reference_mut();
|
|
state.add_balance(&sender, &U256::from(18));
|
|
let mut info = EnvInfo::default();
|
|
info.gas_limit = U256::from(100_000);
|
|
let engine = TestEngine::new(0, factory);
|
|
|
|
let executed = {
|
|
let mut ex = Executive::new(&mut state, &info, &engine);
|
|
let opts = TransactOptions { check_nonce: true, tracing: false };
|
|
ex.transact(&t, opts).unwrap()
|
|
};
|
|
|
|
assert_eq!(executed.gas, U256::from(100_000));
|
|
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));
|
|
assert_eq!(executed.logs.len(), 0);
|
|
assert_eq!(executed.contracts_created.len(), 0);
|
|
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)));
|
|
}
|
|
|
|
evm_test!{test_transact_invalid_sender: test_transact_invalid_sender_jit, test_transact_invalid_sender_int}
|
|
fn test_transact_invalid_sender(factory: Factory) {
|
|
let t = Transaction {
|
|
action: Action::Create,
|
|
value: U256::from(17),
|
|
data: "3331600055".from_hex().unwrap(),
|
|
gas: U256::from(100_000),
|
|
gas_price: U256::zero(),
|
|
nonce: U256::zero()
|
|
}.invalid_sign();
|
|
let mut state_result = get_temp_state();
|
|
let mut state = state_result.reference_mut();
|
|
let mut info = EnvInfo::default();
|
|
info.gas_limit = U256::from(100_000);
|
|
let engine = TestEngine::new(0, factory);
|
|
|
|
let res = {
|
|
let mut ex = Executive::new(&mut state, &info, &engine);
|
|
let opts = TransactOptions { check_nonce: true, tracing: false };
|
|
ex.transact(&t, opts)
|
|
};
|
|
|
|
match res {
|
|
Err(Error::Util(UtilError::Crypto(CryptoError::InvalidSignature))) => (),
|
|
_ => assert!(false, "Expected invalid signature error.")
|
|
}
|
|
}
|
|
|
|
evm_test!{test_transact_invalid_nonce: test_transact_invalid_nonce_jit, test_transact_invalid_nonce_int}
|
|
fn test_transact_invalid_nonce(factory: Factory) {
|
|
let keypair = KeyPair::create().unwrap();
|
|
let t = Transaction {
|
|
action: Action::Create,
|
|
value: U256::from(17),
|
|
data: "3331600055".from_hex().unwrap(),
|
|
gas: U256::from(100_000),
|
|
gas_price: U256::zero(),
|
|
nonce: U256::one()
|
|
}.sign(&keypair.secret());
|
|
let sender = t.sender().unwrap();
|
|
|
|
let mut state_result = get_temp_state();
|
|
let mut state = state_result.reference_mut();
|
|
state.add_balance(&sender, &U256::from(17));
|
|
let mut info = EnvInfo::default();
|
|
info.gas_limit = U256::from(100_000);
|
|
let engine = TestEngine::new(0, factory);
|
|
|
|
let res = {
|
|
let mut ex = Executive::new(&mut state, &info, &engine);
|
|
let opts = TransactOptions { check_nonce: true, tracing: false };
|
|
ex.transact(&t, opts)
|
|
};
|
|
|
|
match res {
|
|
Err(Error::Execution(ExecutionError::InvalidNonce { expected, got }))
|
|
if expected == U256::zero() && got == U256::one() => (),
|
|
_ => assert!(false, "Expected invalid nonce error.")
|
|
}
|
|
}
|
|
|
|
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) {
|
|
let keypair = KeyPair::create().unwrap();
|
|
let t = Transaction {
|
|
action: Action::Create,
|
|
value: U256::from(17),
|
|
data: "3331600055".from_hex().unwrap(),
|
|
gas: U256::from(80_001),
|
|
gas_price: U256::zero(),
|
|
nonce: U256::zero()
|
|
}.sign(&keypair.secret());
|
|
let sender = t.sender().unwrap();
|
|
|
|
let mut state_result = get_temp_state();
|
|
let mut state = state_result.reference_mut();
|
|
state.add_balance(&sender, &U256::from(17));
|
|
let mut info = EnvInfo::default();
|
|
info.gas_used = U256::from(20_000);
|
|
info.gas_limit = U256::from(100_000);
|
|
let engine = TestEngine::new(0, factory);
|
|
|
|
let res = {
|
|
let mut ex = Executive::new(&mut state, &info, &engine);
|
|
let opts = TransactOptions { check_nonce: true, tracing: false };
|
|
ex.transact(&t, opts)
|
|
};
|
|
|
|
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.")
|
|
}
|
|
}
|
|
|
|
evm_test!{test_not_enough_cash: test_not_enough_cash_jit, test_not_enough_cash_int}
|
|
fn test_not_enough_cash(factory: Factory) {
|
|
|
|
let keypair = KeyPair::create().unwrap();
|
|
let t = Transaction {
|
|
action: Action::Create,
|
|
value: U256::from(18),
|
|
data: "3331600055".from_hex().unwrap(),
|
|
gas: U256::from(100_000),
|
|
gas_price: U256::one(),
|
|
nonce: U256::zero()
|
|
}.sign(&keypair.secret());
|
|
let sender = t.sender().unwrap();
|
|
|
|
let mut state_result = get_temp_state();
|
|
let mut state = state_result.reference_mut();
|
|
state.add_balance(&sender, &U256::from(100_017));
|
|
let mut info = EnvInfo::default();
|
|
info.gas_limit = U256::from(100_000);
|
|
let engine = TestEngine::new(0, factory);
|
|
|
|
let res = {
|
|
let mut ex = Executive::new(&mut state, &info, &engine);
|
|
let opts = TransactOptions { check_nonce: true, tracing: false };
|
|
ex.transact(&t, opts)
|
|
};
|
|
|
|
match res {
|
|
Err(Error::Execution(ExecutionError::NotEnoughCash { required , got }))
|
|
if required == U512::from(100_018) && got == U512::from(100_017) => (),
|
|
_ => assert!(false, "Expected not enough cash error. {:?}", res)
|
|
}
|
|
}
|
|
|
|
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());
|
|
let mut params = ActionParams::default();
|
|
params.address = address.clone();
|
|
params.sender = sender.clone();
|
|
params.origin = sender.clone();
|
|
params.gas = U256::from(0x0186a0);
|
|
params.code = Some(code.clone());
|
|
params.value = ActionValue::Transfer(U256::from_str("0de0b6b3a7640000").unwrap());
|
|
let mut state_result = get_temp_state();
|
|
let mut state = state_result.reference_mut();
|
|
state.add_balance(&sender, &U256::from_str("152d02c7e14af6800000").unwrap());
|
|
let info = EnvInfo::default();
|
|
let engine = TestEngine::new(0, factory);
|
|
let mut substate = Substate::new();
|
|
|
|
let result = {
|
|
let mut ex = Executive::new(&mut state, &info, &engine);
|
|
ex.create(params, &mut substate, &mut NoopTracer)
|
|
};
|
|
|
|
match result {
|
|
Err(_) => {
|
|
},
|
|
_ => {
|
|
panic!("Expected OutOfGas");
|
|
}
|
|
}
|
|
}
|
|
}
|