912 lines
28 KiB
Rust
912 lines
28 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of OpenEthereum.
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// OpenEthereum 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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// OpenEthereum 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 OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
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//! Transaction Execution environment.
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use bytes::Bytes;
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use ethereum_types::{Address, H256, U256};
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use executive::*;
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use machine::EthereumMachine as Machine;
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use state::{Backend as StateBackend, CleanupMode, State, Substate};
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use std::{cmp, sync::Arc};
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use trace::{Tracer, VMTracer};
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use types::transaction::UNSIGNED_SENDER;
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use vm::{
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self, AccessList, ActionParams, ActionValue, CallType, ContractCreateResult,
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CreateContractAddress, EnvInfo, Ext, MessageCallResult, ReturnData, Schedule, TrapKind,
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};
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/// Policy for handling output data on `RETURN` opcode.
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pub enum OutputPolicy {
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/// Return reference to fixed sized output.
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/// Used for message calls.
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Return,
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/// Init new contract as soon as `RETURN` is called.
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InitContract,
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}
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/// Transaction properties that externalities need to know about.
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pub struct OriginInfo {
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address: Address,
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origin: Address,
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gas_price: U256,
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value: U256,
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}
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impl OriginInfo {
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/// Populates origin info from action params.
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pub fn from(params: &ActionParams) -> Self {
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OriginInfo {
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address: params.address.clone(),
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origin: params.origin.clone(),
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gas_price: params.gas_price,
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value: match params.value {
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ActionValue::Transfer(val) | ActionValue::Apparent(val) => val,
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},
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}
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}
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}
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/// Implementation of evm Externalities.
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pub struct Externalities<'a, T: 'a, V: 'a, B: 'a> {
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state: &'a mut State<B>,
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env_info: &'a EnvInfo,
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depth: usize,
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stack_depth: usize,
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origin_info: &'a OriginInfo,
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substate: &'a mut Substate,
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machine: &'a Machine,
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schedule: &'a Schedule,
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output: OutputPolicy,
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tracer: &'a mut T,
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vm_tracer: &'a mut V,
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static_flag: bool,
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}
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impl<'a, T: 'a, V: 'a, B: 'a> Externalities<'a, T, V, B>
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where
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T: Tracer,
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V: VMTracer,
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B: StateBackend,
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{
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/// Basic `Externalities` constructor.
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pub fn new(
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state: &'a mut State<B>,
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env_info: &'a EnvInfo,
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machine: &'a Machine,
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schedule: &'a Schedule,
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depth: usize,
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stack_depth: usize,
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origin_info: &'a OriginInfo,
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substate: &'a mut Substate,
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output: OutputPolicy,
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tracer: &'a mut T,
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vm_tracer: &'a mut V,
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static_flag: bool,
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) -> Self {
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Externalities {
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state: state,
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env_info: env_info,
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depth: depth,
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stack_depth: stack_depth,
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origin_info: origin_info,
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substate: substate,
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machine: machine,
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schedule: schedule,
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output: output,
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tracer: tracer,
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vm_tracer: vm_tracer,
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static_flag: static_flag,
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}
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}
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}
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impl<'a, T: 'a, V: 'a, B: 'a> Ext for Externalities<'a, T, V, B>
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where
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T: Tracer,
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V: VMTracer,
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B: StateBackend,
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{
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fn initial_storage_at(&self, key: &H256) -> vm::Result<H256> {
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if self
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.state
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.is_base_storage_root_unchanged(&self.origin_info.address)?
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{
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self.state
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.checkpoint_storage_at(0, &self.origin_info.address, key)
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.map(|v| v.unwrap_or_default())
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.map_err(Into::into)
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} else {
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warn!(target: "externalities", "Detected existing account {:#x} where a forced contract creation happened.", self.origin_info.address);
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Ok(H256::zero())
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}
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}
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fn storage_at(&self, key: &H256) -> vm::Result<H256> {
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self.state
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.storage_at(&self.origin_info.address, key)
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.map_err(Into::into)
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}
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fn set_storage(&mut self, key: H256, value: H256) -> vm::Result<()> {
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if self.static_flag {
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Err(vm::Error::MutableCallInStaticContext)
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} else {
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self.state
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.set_storage(&self.origin_info.address, key, value)
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.map_err(Into::into)
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}
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}
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fn is_static(&self) -> bool {
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return self.static_flag;
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}
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fn exists(&self, address: &Address) -> vm::Result<bool> {
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self.state.exists(address).map_err(Into::into)
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}
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fn exists_and_not_null(&self, address: &Address) -> vm::Result<bool> {
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self.state.exists_and_not_null(address).map_err(Into::into)
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}
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fn origin_balance(&self) -> vm::Result<U256> {
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self.balance(&self.origin_info.address).map_err(Into::into)
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}
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fn balance(&self, address: &Address) -> vm::Result<U256> {
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self.state.balance(address).map_err(Into::into)
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}
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fn blockhash(&mut self, number: &U256) -> H256 {
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if self.env_info.number + 256 >= self.machine.params().eip210_transition {
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let blockhash_contract_address = self.machine.params().eip210_contract_address;
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let code_res = self
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.state
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.code(&blockhash_contract_address)
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.and_then(|code| {
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self.state
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.code_hash(&blockhash_contract_address)
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.map(|hash| (code, hash))
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});
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let (code, code_hash) = match code_res {
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Ok((code, hash)) => (code, hash),
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Err(_) => return H256::zero(),
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};
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let params = ActionParams {
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sender: self.origin_info.address.clone(),
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address: blockhash_contract_address.clone(),
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value: ActionValue::Apparent(self.origin_info.value),
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code_address: blockhash_contract_address.clone(),
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origin: self.origin_info.origin.clone(),
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gas: self.machine.params().eip210_contract_gas,
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gas_price: 0.into(),
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code: code,
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code_hash: code_hash,
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data: Some(H256::from(number).to_vec()),
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call_type: CallType::Call,
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params_type: vm::ParamsType::Separate,
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access_list: AccessList::default(),
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};
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let mut ex = Executive::new(self.state, self.env_info, self.machine, self.schedule);
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let r = ex.call_with_stack_depth(
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params,
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self.substate,
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self.stack_depth + 1,
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self.tracer,
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self.vm_tracer,
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);
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let output = match &r {
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Ok(ref r) => H256::from(&r.return_data[..32]),
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_ => H256::new(),
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};
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trace!(
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"ext: blockhash contract({}) -> {:?}({}) self.env_info.number={}\n",
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number,
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r,
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output,
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self.env_info.number
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);
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output
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} else {
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// TODO: comment out what this function expects from env_info, since it will produce panics if the latter is inconsistent
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match *number < U256::from(self.env_info.number)
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&& number.low_u64() >= cmp::max(256, self.env_info.number) - 256
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{
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true => {
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let index = self.env_info.number - number.low_u64() - 1;
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assert!(
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index < self.env_info.last_hashes.len() as u64,
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format!(
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"Inconsistent env_info, should contain at least {:?} last hashes",
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index + 1
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)
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);
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let r = self.env_info.last_hashes[index as usize].clone();
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trace!(
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"ext: blockhash({}) -> {} self.env_info.number={}\n",
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number,
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r,
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self.env_info.number
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);
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r
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}
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false => {
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trace!(
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"ext: blockhash({}) -> null self.env_info.number={}\n",
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number,
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self.env_info.number
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);
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H256::zero()
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}
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}
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}
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}
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fn create(
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&mut self,
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gas: &U256,
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value: &U256,
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code: &[u8],
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address_scheme: CreateContractAddress,
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trap: bool,
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) -> ::std::result::Result<ContractCreateResult, TrapKind> {
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// create new contract address
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let (address, code_hash) = match self.state.nonce(&self.origin_info.address) {
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Ok(nonce) => contract_address(address_scheme, &self.origin_info.address, &nonce, &code),
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Err(e) => {
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debug!(target: "ext", "Database corruption encountered: {:?}", e);
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return Ok(ContractCreateResult::Failed);
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}
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};
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// prepare the params
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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: self.origin_info.address.clone(),
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origin: self.origin_info.origin.clone(),
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gas: *gas,
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gas_price: self.origin_info.gas_price,
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value: ActionValue::Transfer(*value),
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code: Some(Arc::new(code.to_vec())),
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code_hash: code_hash,
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data: None,
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call_type: CallType::None,
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params_type: vm::ParamsType::Embedded,
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access_list: self.substate.access_list.clone(),
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};
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if !self.static_flag {
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if !self.schedule.keep_unsigned_nonce || params.sender != UNSIGNED_SENDER {
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if let Err(e) = self.state.inc_nonce(&self.origin_info.address) {
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debug!(target: "ext", "Database corruption encountered: {:?}", e);
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return Ok(ContractCreateResult::Failed);
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}
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}
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}
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if trap {
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return Err(TrapKind::Create(params, address));
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}
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// TODO: handle internal error separately
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let mut ex = Executive::from_parent(
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self.state,
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self.env_info,
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self.machine,
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self.schedule,
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self.depth,
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self.static_flag,
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);
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let out = ex.create_with_stack_depth(
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params,
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self.substate,
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self.stack_depth + 1,
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self.tracer,
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self.vm_tracer,
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);
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Ok(into_contract_create_result(out, &address, self.substate))
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}
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fn calc_address(&self, code: &[u8], address_scheme: CreateContractAddress) -> Option<Address> {
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match self.state.nonce(&self.origin_info.address) {
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Ok(nonce) => {
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Some(contract_address(address_scheme, &self.origin_info.address, &nonce, &code).0)
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}
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Err(_) => None,
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}
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}
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fn call(
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&mut self,
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gas: &U256,
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sender_address: &Address,
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receive_address: &Address,
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value: Option<U256>,
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data: &[u8],
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code_address: &Address,
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call_type: CallType,
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trap: bool,
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) -> ::std::result::Result<MessageCallResult, TrapKind> {
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trace!(target: "externalities", "call");
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let code_res = self
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.state
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.code(code_address)
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.and_then(|code| self.state.code_hash(code_address).map(|hash| (code, hash)));
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let (code, code_hash) = match code_res {
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Ok((code, hash)) => (code, hash),
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Err(_) => return Ok(MessageCallResult::Failed),
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};
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let mut params = ActionParams {
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sender: sender_address.clone(),
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address: receive_address.clone(),
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value: ActionValue::Apparent(self.origin_info.value),
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code_address: code_address.clone(),
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origin: self.origin_info.origin.clone(),
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gas: *gas,
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gas_price: self.origin_info.gas_price,
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code: code,
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code_hash: code_hash,
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data: Some(data.to_vec()),
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call_type: call_type,
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params_type: vm::ParamsType::Separate,
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access_list: self.substate.access_list.clone(),
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};
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if let Some(value) = value {
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params.value = ActionValue::Transfer(value);
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}
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if trap {
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return Err(TrapKind::Call(params));
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}
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let mut ex = Executive::from_parent(
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self.state,
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self.env_info,
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self.machine,
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self.schedule,
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self.depth,
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self.static_flag,
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);
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let out = ex.call_with_stack_depth(
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params,
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self.substate,
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self.stack_depth + 1,
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self.tracer,
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self.vm_tracer,
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);
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Ok(into_message_call_result(out))
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}
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fn extcode(&self, address: &Address) -> vm::Result<Option<Arc<Bytes>>> {
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Ok(self.state.code(address)?)
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}
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fn extcodehash(&self, address: &Address) -> vm::Result<Option<H256>> {
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if self.state.exists_and_not_null(address)? {
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Ok(self.state.code_hash(address)?)
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} else {
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Ok(None)
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}
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}
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fn extcodesize(&self, address: &Address) -> vm::Result<Option<usize>> {
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Ok(self.state.code_size(address)?)
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}
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fn ret(self, gas: &U256, data: &ReturnData, apply_state: bool) -> vm::Result<U256>
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where
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Self: Sized,
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{
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match self.output {
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OutputPolicy::Return => Ok(*gas),
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OutputPolicy::InitContract if apply_state => {
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let return_cost =
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U256::from(data.len()) * U256::from(self.schedule.create_data_gas);
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if return_cost > *gas || data.len() > self.schedule.create_data_limit {
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return match self.schedule.exceptional_failed_code_deposit {
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true => Err(vm::Error::OutOfGas),
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false => Ok(*gas),
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};
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}
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self.state
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.init_code(&self.origin_info.address, data.to_vec())?;
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Ok(*gas - return_cost)
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}
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OutputPolicy::InitContract => Ok(*gas),
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}
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}
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fn log(&mut self, topics: Vec<H256>, data: &[u8]) -> vm::Result<()> {
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use types::log_entry::LogEntry;
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if self.static_flag {
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return Err(vm::Error::MutableCallInStaticContext);
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}
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let address = self.origin_info.address.clone();
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self.substate.logs.push(LogEntry {
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address: address,
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topics: topics,
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data: data.to_vec(),
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});
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Ok(())
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}
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fn suicide(&mut self, refund_address: &Address) -> vm::Result<()> {
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if self.static_flag {
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return Err(vm::Error::MutableCallInStaticContext);
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}
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let address = self.origin_info.address.clone();
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let balance = self.balance(&address)?;
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if &address == refund_address {
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// TODO [todr] To be consistent with CPP client we set balance to 0 in that case.
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self.state
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.sub_balance(&address, &balance, &mut CleanupMode::NoEmpty)?;
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} else {
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trace!(target: "ext", "Suiciding {} -> {} (xfer: {})", address, refund_address, balance);
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self.state.transfer_balance(
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&address,
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refund_address,
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&balance,
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self.substate.to_cleanup_mode(&self.schedule),
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)?;
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}
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self.tracer
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.trace_suicide(address, balance, refund_address.clone());
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self.substate.suicides.insert(address);
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Ok(())
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}
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fn schedule(&self) -> &Schedule {
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&self.schedule
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}
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fn env_info(&self) -> &EnvInfo {
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self.env_info
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}
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fn chain_id(&self) -> u64 {
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self.machine.params().chain_id
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}
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fn depth(&self) -> usize {
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self.depth
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}
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fn add_sstore_refund(&mut self, value: usize) {
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self.substate.sstore_clears_refund += value as i128;
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}
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fn sub_sstore_refund(&mut self, value: usize) {
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self.substate.sstore_clears_refund -= value as i128;
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}
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fn trace_next_instruction(&mut self, pc: usize, instruction: u8, current_gas: U256) -> bool {
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self.vm_tracer
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.trace_next_instruction(pc, instruction, current_gas)
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}
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fn trace_prepare_execute(
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&mut self,
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pc: usize,
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instruction: u8,
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gas_cost: U256,
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mem_written: Option<(usize, usize)>,
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store_written: Option<(U256, U256)>,
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) {
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self.vm_tracer
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.trace_prepare_execute(pc, instruction, gas_cost, mem_written, store_written)
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}
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fn trace_failed(&mut self) {
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self.vm_tracer.trace_failed();
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}
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|
|
fn trace_executed(&mut self, gas_used: U256, stack_push: &[U256], mem: &[u8]) {
|
|
self.vm_tracer.trace_executed(gas_used, stack_push, mem)
|
|
}
|
|
|
|
fn al_is_enabled(&self) -> bool {
|
|
self.substate.access_list.is_enabled()
|
|
}
|
|
|
|
fn al_contains_storage_key(&self, address: &Address, key: &H256) -> bool {
|
|
self.substate.access_list.contains_storage_key(address, key)
|
|
}
|
|
|
|
fn al_insert_storage_key(&mut self, address: Address, key: H256) {
|
|
self.substate.access_list.insert_storage_key(address, key)
|
|
}
|
|
|
|
fn al_contains_address(&self, address: &Address) -> bool {
|
|
self.substate.access_list.contains_address(address)
|
|
}
|
|
|
|
fn al_insert_address(&mut self, address: Address) {
|
|
self.substate.access_list.insert_address(address)
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
use ethereum_types::{Address, U256};
|
|
use evm::{CallType, EnvInfo, Ext};
|
|
use state::{State, Substate};
|
|
use test_helpers::get_temp_state;
|
|
use trace::{NoopTracer, NoopVMTracer};
|
|
|
|
fn get_test_origin() -> OriginInfo {
|
|
OriginInfo {
|
|
address: Address::zero(),
|
|
origin: Address::zero(),
|
|
gas_price: U256::zero(),
|
|
value: U256::zero(),
|
|
}
|
|
}
|
|
|
|
fn get_test_env_info() -> EnvInfo {
|
|
EnvInfo {
|
|
number: 100,
|
|
author: 0.into(),
|
|
timestamp: 0,
|
|
difficulty: 0.into(),
|
|
last_hashes: Arc::new(vec![]),
|
|
gas_used: 0.into(),
|
|
gas_limit: 0.into(),
|
|
}
|
|
}
|
|
|
|
struct TestSetup {
|
|
state: State<::state_db::StateDB>,
|
|
machine: ::machine::EthereumMachine,
|
|
schedule: Schedule,
|
|
sub_state: Substate,
|
|
env_info: EnvInfo,
|
|
}
|
|
|
|
impl Default for TestSetup {
|
|
fn default() -> Self {
|
|
TestSetup::new()
|
|
}
|
|
}
|
|
|
|
impl TestSetup {
|
|
fn new() -> Self {
|
|
let machine = ::spec::Spec::new_test_machine();
|
|
let env_info = get_test_env_info();
|
|
let schedule = machine.schedule(env_info.number);
|
|
TestSetup {
|
|
state: get_temp_state(),
|
|
schedule: schedule,
|
|
machine: machine,
|
|
sub_state: Substate::new(),
|
|
env_info: env_info,
|
|
}
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn can_be_created() {
|
|
let mut setup = TestSetup::new();
|
|
let state = &mut setup.state;
|
|
let mut tracer = NoopTracer;
|
|
let mut vm_tracer = NoopVMTracer;
|
|
let origin_info = get_test_origin();
|
|
|
|
let ext = Externalities::new(
|
|
state,
|
|
&setup.env_info,
|
|
&setup.machine,
|
|
&setup.schedule,
|
|
0,
|
|
0,
|
|
&origin_info,
|
|
&mut setup.sub_state,
|
|
OutputPolicy::InitContract,
|
|
&mut tracer,
|
|
&mut vm_tracer,
|
|
false,
|
|
);
|
|
|
|
assert_eq!(ext.env_info().number, 100);
|
|
}
|
|
|
|
#[test]
|
|
fn can_return_block_hash_no_env() {
|
|
let mut setup = TestSetup::new();
|
|
let state = &mut setup.state;
|
|
let mut tracer = NoopTracer;
|
|
let mut vm_tracer = NoopVMTracer;
|
|
let origin_info = get_test_origin();
|
|
|
|
let mut ext = Externalities::new(
|
|
state,
|
|
&setup.env_info,
|
|
&setup.machine,
|
|
&setup.schedule,
|
|
0,
|
|
0,
|
|
&origin_info,
|
|
&mut setup.sub_state,
|
|
OutputPolicy::InitContract,
|
|
&mut tracer,
|
|
&mut vm_tracer,
|
|
false,
|
|
);
|
|
|
|
let hash = ext.blockhash(
|
|
&"0000000000000000000000000000000000000000000000000000000000120000"
|
|
.parse::<U256>()
|
|
.unwrap(),
|
|
);
|
|
|
|
assert_eq!(hash, H256::zero());
|
|
}
|
|
|
|
#[test]
|
|
fn can_return_block_hash() {
|
|
let test_hash =
|
|
H256::from("afafafafafafafafafafafbcbcbcbcbcbcbcbcbcbeeeeeeeeeeeeedddddddddd");
|
|
let test_env_number = 0x120001;
|
|
|
|
let mut setup = TestSetup::new();
|
|
{
|
|
let env_info = &mut setup.env_info;
|
|
env_info.number = test_env_number;
|
|
let mut last_hashes = (*env_info.last_hashes).clone();
|
|
last_hashes.push(test_hash.clone());
|
|
env_info.last_hashes = Arc::new(last_hashes);
|
|
}
|
|
let state = &mut setup.state;
|
|
let mut tracer = NoopTracer;
|
|
let mut vm_tracer = NoopVMTracer;
|
|
let origin_info = get_test_origin();
|
|
|
|
let mut ext = Externalities::new(
|
|
state,
|
|
&setup.env_info,
|
|
&setup.machine,
|
|
&setup.schedule,
|
|
0,
|
|
0,
|
|
&origin_info,
|
|
&mut setup.sub_state,
|
|
OutputPolicy::InitContract,
|
|
&mut tracer,
|
|
&mut vm_tracer,
|
|
false,
|
|
);
|
|
|
|
let hash = ext.blockhash(
|
|
&"0000000000000000000000000000000000000000000000000000000000120000"
|
|
.parse::<U256>()
|
|
.unwrap(),
|
|
);
|
|
|
|
assert_eq!(test_hash, hash);
|
|
}
|
|
|
|
#[test]
|
|
#[should_panic]
|
|
fn can_call_fail_empty() {
|
|
let mut setup = TestSetup::new();
|
|
let state = &mut setup.state;
|
|
let mut tracer = NoopTracer;
|
|
let mut vm_tracer = NoopVMTracer;
|
|
let origin_info = get_test_origin();
|
|
|
|
let mut ext = Externalities::new(
|
|
state,
|
|
&setup.env_info,
|
|
&setup.machine,
|
|
&setup.schedule,
|
|
0,
|
|
0,
|
|
&origin_info,
|
|
&mut setup.sub_state,
|
|
OutputPolicy::InitContract,
|
|
&mut tracer,
|
|
&mut vm_tracer,
|
|
false,
|
|
);
|
|
|
|
// this should panic because we have no balance on any account
|
|
ext.call(
|
|
&"0000000000000000000000000000000000000000000000000000000000120000"
|
|
.parse::<U256>()
|
|
.unwrap(),
|
|
&Address::new(),
|
|
&Address::new(),
|
|
Some(
|
|
"0000000000000000000000000000000000000000000000000000000000150000"
|
|
.parse::<U256>()
|
|
.unwrap(),
|
|
),
|
|
&[],
|
|
&Address::new(),
|
|
CallType::Call,
|
|
false,
|
|
)
|
|
.ok()
|
|
.unwrap();
|
|
}
|
|
|
|
#[test]
|
|
fn can_log() {
|
|
let log_data = vec![120u8, 110u8];
|
|
let log_topics = vec![H256::from(
|
|
"af0fa234a6af46afa23faf23bcbc1c1cb4bcb7bcbe7e7e7ee3ee2edddddddddd",
|
|
)];
|
|
|
|
let mut setup = TestSetup::new();
|
|
let state = &mut setup.state;
|
|
let mut tracer = NoopTracer;
|
|
let mut vm_tracer = NoopVMTracer;
|
|
let origin_info = get_test_origin();
|
|
|
|
{
|
|
let mut ext = Externalities::new(
|
|
state,
|
|
&setup.env_info,
|
|
&setup.machine,
|
|
&setup.schedule,
|
|
0,
|
|
0,
|
|
&origin_info,
|
|
&mut setup.sub_state,
|
|
OutputPolicy::InitContract,
|
|
&mut tracer,
|
|
&mut vm_tracer,
|
|
false,
|
|
);
|
|
ext.log(log_topics, &log_data).unwrap();
|
|
}
|
|
|
|
assert_eq!(setup.sub_state.logs.len(), 1);
|
|
}
|
|
|
|
#[test]
|
|
fn can_suicide() {
|
|
let refund_account = &Address::new();
|
|
|
|
let mut setup = TestSetup::new();
|
|
let state = &mut setup.state;
|
|
let mut tracer = NoopTracer;
|
|
let mut vm_tracer = NoopVMTracer;
|
|
let origin_info = get_test_origin();
|
|
|
|
{
|
|
let mut ext = Externalities::new(
|
|
state,
|
|
&setup.env_info,
|
|
&setup.machine,
|
|
&setup.schedule,
|
|
0,
|
|
0,
|
|
&origin_info,
|
|
&mut setup.sub_state,
|
|
OutputPolicy::InitContract,
|
|
&mut tracer,
|
|
&mut vm_tracer,
|
|
false,
|
|
);
|
|
ext.suicide(refund_account).unwrap();
|
|
}
|
|
|
|
assert_eq!(setup.sub_state.suicides.len(), 1);
|
|
}
|
|
|
|
#[test]
|
|
fn can_create() {
|
|
use std::str::FromStr;
|
|
|
|
let mut setup = TestSetup::new();
|
|
let state = &mut setup.state;
|
|
let mut tracer = NoopTracer;
|
|
let mut vm_tracer = NoopVMTracer;
|
|
let origin_info = get_test_origin();
|
|
|
|
let address = {
|
|
let mut ext = Externalities::new(
|
|
state,
|
|
&setup.env_info,
|
|
&setup.machine,
|
|
&setup.schedule,
|
|
0,
|
|
0,
|
|
&origin_info,
|
|
&mut setup.sub_state,
|
|
OutputPolicy::InitContract,
|
|
&mut tracer,
|
|
&mut vm_tracer,
|
|
false,
|
|
);
|
|
match ext.create(
|
|
&U256::max_value(),
|
|
&U256::zero(),
|
|
&[],
|
|
CreateContractAddress::FromSenderAndNonce,
|
|
false,
|
|
) {
|
|
Ok(ContractCreateResult::Created(address, _)) => address,
|
|
_ => panic!("Test create failed; expected Created, got Failed/Reverted."),
|
|
}
|
|
};
|
|
|
|
assert_eq!(
|
|
address,
|
|
Address::from_str("bd770416a3345f91e4b34576cb804a576fa48eb1").unwrap()
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn can_create2() {
|
|
use std::str::FromStr;
|
|
|
|
let mut setup = TestSetup::new();
|
|
let state = &mut setup.state;
|
|
let mut tracer = NoopTracer;
|
|
let mut vm_tracer = NoopVMTracer;
|
|
let origin_info = get_test_origin();
|
|
|
|
let address = {
|
|
let mut ext = Externalities::new(
|
|
state,
|
|
&setup.env_info,
|
|
&setup.machine,
|
|
&setup.schedule,
|
|
0,
|
|
0,
|
|
&origin_info,
|
|
&mut setup.sub_state,
|
|
OutputPolicy::InitContract,
|
|
&mut tracer,
|
|
&mut vm_tracer,
|
|
false,
|
|
);
|
|
|
|
match ext.create(
|
|
&U256::max_value(),
|
|
&U256::zero(),
|
|
&[],
|
|
CreateContractAddress::FromSenderSaltAndCodeHash(H256::default()),
|
|
false,
|
|
) {
|
|
Ok(ContractCreateResult::Created(address, _)) => address,
|
|
_ => panic!("Test create failed; expected Created, got Failed/Reverted."),
|
|
}
|
|
};
|
|
|
|
assert_eq!(
|
|
address,
|
|
Address::from_str("e33c0c7f7df4809055c3eba6c09cfe4baf1bd9e0").unwrap()
|
|
);
|
|
}
|
|
}
|