44cc442d12
* WIP move errors, pod_account and state account to own crates * Sort out dependencies, fix broken code and tests Remove botched ethcore-error crate * remove template line * fix review feedback * Remove test-only AccountDBMut::new * Extract AccountDB to account-db * Move Substate to state-account – wip * Add lib.rs * cleanup * test failure * test failure 2 * third time's the charm * Add factories crate * Use new factories crate * Use factories crate * Extract trace * Fix tests * Sort out parity-util-mem and parking_lot * cleanup * WIP port over the rest of state from ethcore * Collect all impls for Machine * some notes * Rename pod-account to pod * Move PodState to pod crate * Use PodState from pod crate * Fix use clause for json tests * Sort out evmbin * Add missing code and use PodState * Move code that depends on Machine and Executive to own module * Sort out cloning errors, fix ethcore to use new state crate * Do without funky From impls * Fix ethcore tests * Fixes around the project to use new state crate * Add back the more specific impls of StateOrBlock From conversions * Move execute to freestanding function and remove it from trait Sort out the error handling in executive_state by moving the result types from state to ethcore Undo the verbose code added to work around the StateOrBlock From conversions * cleanup * Fix "error: enum variants on type aliases are experimental" * Bring back the state tests Fix whitespace * remove ethcore/state/mod.rs * cleanup * cleanup * Cleanup state-account errors * Fix more todos Add module docs * Add error.rs * Fixup Cargo.lock * Smaller ethcore API is fine * Add `to-pod-full` feature to state-account Fix evmbin * Fix a few more test failures * Fix RPC test build * Baptize the new trait * Remove resolved TODOs * Rename state-account to account-state * Do not re-export the trace crate * Don't export state_db from ethcore * Let private-tx use StateDB. :( * Remove ethcore/src/pod_state.rs * Inner type does not need to be pub/pub(crate) * optimise imports * Revert "Inner type does not need to be pub/pub(crate)" This reverts commit 2f839f8a0f72f71334da64620f57e6dd6039f06b. * Move DatabaseExtras to ethcore-blockchain * Add database_extra module to ethcore-blockchain * Remove to-pod-full feature * Sort out the merge * sort imports * address grumbles * rename crate * address more grumbles
1699 lines
58 KiB
Rust
1699 lines
58 KiB
Rust
// Copyright 2015-2019 Parity Technologies (UK) Ltd.
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// This file is part of Parity Ethereum.
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// Parity Ethereum 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 Ethereum 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 Ethereum. If not, see <http://www.gnu.org/licenses/>.
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//! Execute transactions and modify State. This is glue code between the `ethcore` and
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//! `account-state` crates and contains everything that requires `Machine` or `Executive` (or types
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//! thereof).
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use machine::Machine;
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use vm::EnvInfo;
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use executive::{Executive, TransactOptions};
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use executed::{Executed, ExecutionError};
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use types::{
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transaction::SignedTransaction,
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receipt::{TransactionOutcome, Receipt},
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};
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use trace::{FlatTrace, VMTrace};
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use account_state::{
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backend::{self, Backend},
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state::State,
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};
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use ethereum_types::H256;
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use trie_vm_factories::Factories;
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use bytes::Bytes;
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use keccak_hasher::KeccakHasher;
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use kvdb::DBValue;
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use hash_db::AsHashDB;
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use error::Error;
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/// Return type of proof validity check.
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#[derive(Debug, Clone)]
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pub enum ProvedExecution {
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/// Proof wasn't enough to complete execution.
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BadProof,
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/// The transaction failed, but not due to a bad proof.
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Failed(ExecutionError),
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/// The transaction successfully completed with the given proof.
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Complete(Box<Executed>),
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}
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/// Used to return information about an `State::apply` operation.
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pub struct ApplyOutcome<T, V> {
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/// The receipt for the applied transaction.
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pub receipt: Receipt,
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/// The output of the applied transaction.
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pub output: Bytes,
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/// The trace for the applied transaction, empty if tracing was not produced.
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pub trace: Vec<T>,
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/// The VM trace for the applied transaction, None if tracing was not produced.
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pub vm_trace: Option<V>
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}
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/// Result type for the execution ("application") of a transaction.
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pub type ApplyResult<T, V> = Result<ApplyOutcome<T, V>, Error>;
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/// Check the given proof of execution.
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/// `Err(ExecutionError::Internal)` indicates failure, everything else indicates
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/// a successful proof (as the transaction itself may be poorly chosen).
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pub fn check_proof(
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proof: &[DBValue],
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root: H256,
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transaction: &SignedTransaction,
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machine: &Machine,
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env_info: &EnvInfo,
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) -> ProvedExecution {
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let backend = self::backend::ProofCheck::new(proof);
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let mut factories = Factories::default();
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factories.accountdb = ::account_db::Factory::Plain;
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let res = State::from_existing(
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backend,
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root,
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machine.account_start_nonce(env_info.number),
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factories
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);
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let mut state = match res {
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Ok(state) => state,
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Err(_) => return ProvedExecution::BadProof,
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};
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let options = TransactOptions::with_no_tracing().save_output_from_contract();
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match execute(&mut state, env_info, machine, transaction, options, true) {
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Ok(executed) => ProvedExecution::Complete(Box::new(executed)),
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Err(ExecutionError::Internal(_)) => ProvedExecution::BadProof,
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Err(e) => ProvedExecution::Failed(e),
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}
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}
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/// Prove a `virtual` transaction on the given state.
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/// Returns `None` when the transaction could not be proved,
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/// and a proof otherwise.
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pub fn prove_transaction_virtual<H: AsHashDB<KeccakHasher, DBValue> + Send + Sync>(
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db: H,
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root: H256,
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transaction: &SignedTransaction,
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machine: &Machine,
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env_info: &EnvInfo,
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factories: Factories,
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) -> Option<(Bytes, Vec<DBValue>)> {
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use account_state::backend::Proving;
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let backend = Proving::new(db);
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let res = State::from_existing(
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backend,
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root,
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machine.account_start_nonce(env_info.number),
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factories,
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);
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let mut state = match res {
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Ok(state) => state,
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Err(_) => return None,
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};
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let options = TransactOptions::with_no_tracing().dont_check_nonce().save_output_from_contract();
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match execute(&mut state, env_info, machine, transaction, options, true) {
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Err(ExecutionError::Internal(_)) => None,
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Err(e) => {
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trace!(target: "state", "Proved call failed: {}", e);
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Some((Vec::new(), state.drop().1.extract_proof()))
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}
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Ok(res) => Some((res.output, state.drop().1.extract_proof())),
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}
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}
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/// Collects code that needs a Machine and/or Executive
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pub trait ExecutiveState {
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/// Execute a given transaction, producing a receipt and an optional trace.
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/// This will change the state accordingly.
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fn apply(
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&mut self,
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env_info: &EnvInfo,
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machine: &Machine,
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t: &SignedTransaction,
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tracing: bool
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) -> ApplyResult<FlatTrace, VMTrace>;
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/// Execute a given transaction with given tracer and VM tracer producing a receipt and an optional trace.
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/// This will change the state accordingly.
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fn apply_with_tracing<V, T>(
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&mut self,
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env_info: &EnvInfo,
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machine: &Machine,
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t: &SignedTransaction,
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tracer: T,
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vm_tracer: V,
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) -> ApplyResult<T::Output, V::Output>
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where
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T: trace::Tracer,
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V: trace::VMTracer;
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}
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impl<B: Backend> ExecutiveState for State<B> {
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/// Execute a given transaction, producing a receipt and an optional trace.
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/// This will change the state accordingly.
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fn apply(
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&mut self,
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env_info: &EnvInfo,
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machine: &Machine,
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t: &SignedTransaction,
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tracing: bool
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) -> ApplyResult<FlatTrace, VMTrace> {
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if tracing {
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let options = TransactOptions::with_tracing();
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self.apply_with_tracing(env_info, machine, t, options.tracer, options.vm_tracer)
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} else {
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let options = TransactOptions::with_no_tracing();
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self.apply_with_tracing(env_info, machine, t, options.tracer, options.vm_tracer)
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}
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}
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/// Execute a given transaction with given tracer and VM tracer producing a receipt and an optional trace.
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/// This will change the state accordingly.
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fn apply_with_tracing<V, T>(
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&mut self,
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env_info: &EnvInfo,
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machine: &Machine,
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t: &SignedTransaction,
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tracer: T,
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vm_tracer: V,
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) -> ApplyResult<T::Output, V::Output>
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where
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T: trace::Tracer,
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V: trace::VMTracer,
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{
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let options = TransactOptions::new(tracer, vm_tracer);
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let e = execute(self, env_info, machine, t, options, false)?;
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let params = machine.params();
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let eip658 = env_info.number >= params.eip658_transition;
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let no_intermediate_commits =
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eip658 ||
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(env_info.number >= params.eip98_transition && env_info.number >= params.validate_receipts_transition);
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let outcome = if no_intermediate_commits {
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if eip658 {
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TransactionOutcome::StatusCode(if e.exception.is_some() { 0 } else { 1 })
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} else {
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TransactionOutcome::Unknown
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}
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} else {
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self.commit()?;
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TransactionOutcome::StateRoot(self.root().clone())
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};
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let output = e.output;
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let receipt = Receipt::new(outcome, e.cumulative_gas_used, e.logs);
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trace!(target: "state", "Transaction receipt: {:?}", receipt);
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Ok(ApplyOutcome {
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receipt,
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output,
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trace: e.trace,
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vm_trace: e.vm_trace,
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})
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}
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}
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// Execute a given transaction without committing changes.
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//
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// `virt` signals that we are executing outside of a block set and restrictions like
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// gas limits and gas costs should be lifted.
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fn execute<B, T, V>(
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state: &mut State<B>,
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env_info: &EnvInfo,
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machine: &Machine,
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t: &SignedTransaction,
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options: TransactOptions<T, V>,
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virt: bool
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) -> Result<Executed<T::Output, V::Output>, ExecutionError>
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where
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B: Backend,
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T: trace::Tracer,
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V: trace::VMTracer,
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{
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let schedule = machine.schedule(env_info.number);
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let mut e = Executive::new(state, env_info, machine, &schedule);
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match virt {
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true => e.transact_virtual(t, options),
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false => e.transact(t, options),
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}
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}
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#[cfg(test)]
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mod tests {
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use std::sync::Arc;
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use std::str::FromStr;
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use std::collections::HashSet;
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use rustc_hex::FromHex;
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use hash::{keccak, KECCAK_NULL_RLP};
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use super::*;
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use ethkey::Secret;
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use ethereum_types::{H256, U256, Address, BigEndianHash};
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use test_helpers::{get_temp_state, get_temp_state_db};
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use machine::Machine;
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use vm::EnvInfo;
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use spec::*;
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use types::transaction::*;
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use trace::{FlatTrace, TraceError, trace};
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use evm::CallType;
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use pod::{self, PodAccount};
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use pod::PodState;
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use executive_state::ExecutiveState;
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use account_state::{Account, CleanupMode};
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fn secret() -> Secret {
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keccak("").into()
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}
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fn make_frontier_machine(max_depth: usize) -> Machine {
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let mut machine = ::ethereum::new_frontier_test_machine();
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machine.set_schedule_creation_rules(Box::new(move |s, _| s.max_depth = max_depth));
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machine
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}
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#[test]
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fn should_apply_create_transaction() {
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let _ = env_logger::try_init();
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let mut state = get_temp_state();
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let mut info = EnvInfo::default();
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info.gas_limit = 1_000_000.into();
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let machine = make_frontier_machine(5);
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let t = Transaction {
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nonce: 0.into(),
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gas_price: 0.into(),
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gas: 100_000.into(),
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action: Action::Create,
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value: 100.into(),
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data: FromHex::from_hex("601080600c6000396000f3006000355415600957005b60203560003555").unwrap(),
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}.sign(&secret(), None);
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state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
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let result = state.apply(&info, &machine, &t, true).unwrap();
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let expected_trace = vec![FlatTrace {
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trace_address: Default::default(),
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subtraces: 0,
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action: trace::Action::Create(trace::Create {
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from: Address::from_str("9cce34f7ab185c7aba1b7c8140d620b4bda941d6").unwrap(),
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value: 100.into(),
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gas: 77412.into(),
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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],
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}),
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result: trace::Res::Create(trace::CreateResult {
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gas_used: U256::from(3224),
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address: Address::from_str("8988167e088c87cd314df6d3c2b83da5acb93ace").unwrap(),
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code: vec![96, 0, 53, 84, 21, 96, 9, 87, 0, 91, 96, 32, 53, 96, 0, 53]
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}),
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}];
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assert_eq!(result.trace, expected_trace);
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}
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#[test]
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fn should_work_when_cloned() {
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let _ = env_logger::try_init();
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let a = Address::zero();
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let mut state = {
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let mut state = get_temp_state();
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assert_eq!(state.exists(&a).unwrap(), false);
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state.inc_nonce(&a).unwrap();
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state.commit().unwrap();
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state.clone()
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};
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state.inc_nonce(&a).unwrap();
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state.commit().unwrap();
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}
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#[test]
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fn should_trace_failed_create_transaction() {
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let _ = env_logger::try_init();
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let mut state = get_temp_state();
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let mut info = EnvInfo::default();
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info.gas_limit = 1_000_000.into();
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let machine = make_frontier_machine(5);
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let t = Transaction {
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nonce: 0.into(),
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gas_price: 0.into(),
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gas: 100_000.into(),
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action: Action::Create,
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value: 100.into(),
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data: FromHex::from_hex("5b600056").unwrap(),
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}.sign(&secret(), None);
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state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
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let result = state.apply(&info, &machine, &t, true).unwrap();
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let expected_trace = vec![FlatTrace {
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trace_address: Default::default(),
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action: trace::Action::Create(trace::Create {
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from: Address::from_str("9cce34f7ab185c7aba1b7c8140d620b4bda941d6").unwrap(),
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value: 100.into(),
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gas: 78792.into(),
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init: vec![91, 96, 0, 86],
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}),
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result: trace::Res::FailedCreate(TraceError::OutOfGas),
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subtraces: 0
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}];
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assert_eq!(result.trace, expected_trace);
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}
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#[test]
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fn should_trace_call_transaction() {
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let _ = env_logger::try_init();
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let mut state = get_temp_state();
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let mut info = EnvInfo::default();
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info.gas_limit = 1_000_000.into();
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let machine = make_frontier_machine(5);
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let t = Transaction {
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nonce: 0.into(),
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gas_price: 0.into(),
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gas: 100_000.into(),
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action: Action::Call(Address::from_low_u64_be(0xa)),
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value: 100.into(),
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data: vec![],
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}.sign(&secret(), None);
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state.init_code(&Address::from_low_u64_be(0xa), FromHex::from_hex("6000").unwrap()).unwrap();
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state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
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let result = state.apply(&info, &machine, &t, true).unwrap();
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let expected_trace = vec![FlatTrace {
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trace_address: Default::default(),
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action: trace::Action::Call(trace::Call {
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from: Address::from_str("9cce34f7ab185c7aba1b7c8140d620b4bda941d6").unwrap(),
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to: Address::from_low_u64_be(0xa),
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value: 100.into(),
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gas: 79000.into(),
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input: vec![],
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call_type: CallType::Call,
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}),
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result: trace::Res::Call(trace::CallResult {
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gas_used: U256::from(3),
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output: vec![]
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}),
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subtraces: 0,
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}];
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assert_eq!(result.trace, expected_trace);
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}
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|
|
#[test]
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fn should_trace_basic_call_transaction() {
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let _ = env_logger::try_init();
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let mut state = get_temp_state();
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let mut info = EnvInfo::default();
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info.gas_limit = 1_000_000.into();
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let machine = make_frontier_machine(5);
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let t = Transaction {
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nonce: 0.into(),
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gas_price: 0.into(),
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gas: 100_000.into(),
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action: Action::Call(Address::from_low_u64_be(0xa)),
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value: 100.into(),
|
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data: vec![],
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}.sign(&secret(), None);
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|
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state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
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let result = state.apply(&info, &machine, &t, true).unwrap();
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let expected_trace = vec![FlatTrace {
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trace_address: Default::default(),
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action: trace::Action::Call(trace::Call {
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from: Address::from_str("9cce34f7ab185c7aba1b7c8140d620b4bda941d6").unwrap(),
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to: Address::from_low_u64_be(0xa),
|
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value: 100.into(),
|
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gas: 79000.into(),
|
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input: vec![],
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call_type: CallType::Call,
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}),
|
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result: trace::Res::Call(trace::CallResult {
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gas_used: U256::from(0),
|
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output: vec![]
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}),
|
|
subtraces: 0,
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}];
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|
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assert_eq!(result.trace, expected_trace);
|
|
}
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|
|
#[test]
|
|
fn should_trace_call_transaction_to_builtin() {
|
|
let _ = env_logger::try_init();
|
|
|
|
let mut state = get_temp_state();
|
|
|
|
let mut info = EnvInfo::default();
|
|
info.gas_limit = 1_000_000.into();
|
|
let machine = Spec::new_test_machine();
|
|
|
|
let t = Transaction {
|
|
nonce: 0.into(),
|
|
gas_price: 0.into(),
|
|
gas: 100_000.into(),
|
|
action: Action::Call(Address::from_low_u64_be(0x1)),
|
|
value: 0.into(),
|
|
data: vec![],
|
|
}.sign(&secret(), None);
|
|
|
|
let result = state.apply(&info, &machine, &t, true).unwrap();
|
|
|
|
let expected_trace = vec![FlatTrace {
|
|
trace_address: Default::default(),
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_str("9cce34f7ab185c7aba1b7c8140d620b4bda941d6").unwrap(),
|
|
to: Address::from_str("0000000000000000000000000000000000000001").unwrap(),
|
|
value: 0.into(),
|
|
gas: 79_000.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: U256::from(3000),
|
|
output: vec![]
|
|
}),
|
|
subtraces: 0,
|
|
}];
|
|
|
|
assert_eq!(result.trace, expected_trace);
|
|
}
|
|
|
|
#[test]
|
|
fn should_not_trace_subcall_transaction_to_builtin() {
|
|
let _ = env_logger::try_init();
|
|
|
|
let mut state = get_temp_state();
|
|
|
|
let mut info = EnvInfo::default();
|
|
info.gas_limit = 1_000_000.into();
|
|
let machine = Spec::new_test_machine();
|
|
|
|
let t = Transaction {
|
|
nonce: 0.into(),
|
|
gas_price: 0.into(),
|
|
gas: 100_000.into(),
|
|
action: Action::Call(Address::from_low_u64_be(0xa)),
|
|
value: 0.into(),
|
|
data: vec![],
|
|
}.sign(&secret(), None);
|
|
|
|
state.init_code(&Address::from_low_u64_be(0xa), FromHex::from_hex("600060006000600060006001610be0f1").unwrap()).unwrap();
|
|
let result = state.apply(&info, &machine, &t, true).unwrap();
|
|
|
|
let expected_trace = vec![FlatTrace {
|
|
trace_address: Default::default(),
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_str("9cce34f7ab185c7aba1b7c8140d620b4bda941d6").unwrap(),
|
|
to: Address::from_low_u64_be(0xa),
|
|
value: 0.into(),
|
|
gas: 79000.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: U256::from(3_721), // in post-eip150
|
|
output: vec![]
|
|
}),
|
|
subtraces: 0,
|
|
}];
|
|
|
|
assert_eq!(result.trace, expected_trace);
|
|
}
|
|
|
|
#[test]
|
|
fn should_trace_callcode_properly() {
|
|
let _ = env_logger::try_init();
|
|
|
|
let mut state = get_temp_state();
|
|
|
|
let mut info = EnvInfo::default();
|
|
info.gas_limit = 1_000_000.into();
|
|
let machine = Spec::new_test_machine();
|
|
|
|
let t = Transaction {
|
|
nonce: 0.into(),
|
|
gas_price: 0.into(),
|
|
gas: 100_000.into(),
|
|
action: Action::Call(Address::from_low_u64_be(0xa)),
|
|
value: 0.into(),
|
|
data: vec![],
|
|
}.sign(&secret(), None);
|
|
|
|
state.init_code(&Address::from_low_u64_be(0xa), FromHex::from_hex("60006000600060006000600b611000f2").unwrap()).unwrap();
|
|
state.init_code(&Address::from_low_u64_be(0xb), FromHex::from_hex("6000").unwrap()).unwrap();
|
|
let result = state.apply(&info, &machine, &t, true).unwrap();
|
|
|
|
let expected_trace = vec![FlatTrace {
|
|
trace_address: Default::default(),
|
|
subtraces: 1,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_str("9cce34f7ab185c7aba1b7c8140d620b4bda941d6").unwrap(),
|
|
to: Address::from_low_u64_be(0xa),
|
|
value: 0.into(),
|
|
gas: 79000.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: 724.into(), // in post-eip150
|
|
output: vec![]
|
|
}),
|
|
}, FlatTrace {
|
|
trace_address: vec![0].into_iter().collect(),
|
|
subtraces: 0,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_low_u64_be(0xa),
|
|
to: Address::from_low_u64_be(0xb),
|
|
value: 0.into(),
|
|
gas: 4096.into(),
|
|
input: vec![],
|
|
call_type: CallType::CallCode,
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: 3.into(),
|
|
output: vec![],
|
|
}),
|
|
}];
|
|
|
|
assert_eq!(result.trace, expected_trace);
|
|
}
|
|
|
|
#[test]
|
|
fn should_trace_delegatecall_properly() {
|
|
let _ = env_logger::try_init();
|
|
|
|
let mut state = get_temp_state();
|
|
|
|
let mut info = EnvInfo::default();
|
|
info.gas_limit = 1_000_000.into();
|
|
info.number = 0x789b0;
|
|
let machine = Spec::new_test_machine();
|
|
|
|
let t = Transaction {
|
|
nonce: 0.into(),
|
|
gas_price: 0.into(),
|
|
gas: 100_000.into(),
|
|
action: Action::Call(Address::from_low_u64_be(0xa)),
|
|
value: 0.into(),
|
|
data: vec![],
|
|
}.sign(&secret(), None);
|
|
|
|
state.init_code(&Address::from_low_u64_be(0xa), FromHex::from_hex("6000600060006000600b618000f4").unwrap()).unwrap();
|
|
state.init_code(&Address::from_low_u64_be(0xb), FromHex::from_hex("60056000526001601ff3").unwrap()).unwrap();
|
|
let result = state.apply(&info, &machine, &t, true).unwrap();
|
|
|
|
let expected_trace = vec![FlatTrace {
|
|
trace_address: Default::default(),
|
|
subtraces: 1,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_str("9cce34f7ab185c7aba1b7c8140d620b4bda941d6").unwrap(),
|
|
to: Address::from_low_u64_be(0xa),
|
|
value: 0.into(),
|
|
gas: 79000.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: U256::from(736), // in post-eip150
|
|
output: vec![]
|
|
}),
|
|
}, FlatTrace {
|
|
trace_address: vec![0].into_iter().collect(),
|
|
subtraces: 0,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_low_u64_be(0xa),
|
|
to: Address::from_low_u64_be(0xb),
|
|
value: 0.into(),
|
|
gas: 32768.into(),
|
|
input: vec![],
|
|
call_type: CallType::DelegateCall,
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: 18.into(),
|
|
output: vec![5],
|
|
}),
|
|
}];
|
|
|
|
assert_eq!(result.trace, expected_trace);
|
|
}
|
|
|
|
#[test]
|
|
fn should_trace_failed_call_transaction() {
|
|
let _ = env_logger::try_init();
|
|
|
|
let mut state = get_temp_state();
|
|
|
|
let mut info = EnvInfo::default();
|
|
info.gas_limit = 1_000_000.into();
|
|
let machine = make_frontier_machine(5);
|
|
|
|
let t = Transaction {
|
|
nonce: 0.into(),
|
|
gas_price: 0.into(),
|
|
gas: 100_000.into(),
|
|
action: Action::Call(Address::from_low_u64_be(0xa)),
|
|
value: 100.into(),
|
|
data: vec![],
|
|
}.sign(&secret(), None);
|
|
|
|
state.init_code(&Address::from_low_u64_be(0xa), FromHex::from_hex("5b600056").unwrap()).unwrap();
|
|
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
|
|
let result = state.apply(&info, &machine, &t, true).unwrap();
|
|
let expected_trace = vec![FlatTrace {
|
|
trace_address: Default::default(),
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_str("9cce34f7ab185c7aba1b7c8140d620b4bda941d6").unwrap(),
|
|
to: Address::from_low_u64_be(0xa),
|
|
value: 100.into(),
|
|
gas: 79000.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::FailedCall(TraceError::OutOfGas),
|
|
subtraces: 0,
|
|
}];
|
|
|
|
assert_eq!(result.trace, expected_trace);
|
|
}
|
|
|
|
#[test]
|
|
fn should_trace_call_with_subcall_transaction() {
|
|
let _ = env_logger::try_init();
|
|
|
|
let mut state = get_temp_state();
|
|
|
|
let mut info = EnvInfo::default();
|
|
info.gas_limit = 1_000_000.into();
|
|
let machine = make_frontier_machine(5);
|
|
|
|
let t = Transaction {
|
|
nonce: 0.into(),
|
|
gas_price: 0.into(),
|
|
gas: 100_000.into(),
|
|
action: Action::Call(Address::from_low_u64_be(0xa)),
|
|
value: 100.into(),
|
|
data: vec![],
|
|
}.sign(&secret(), None);
|
|
|
|
state.init_code(&Address::from_low_u64_be(0xa), FromHex::from_hex("60006000600060006000600b602b5a03f1").unwrap()).unwrap();
|
|
state.init_code(&Address::from_low_u64_be(0xb), FromHex::from_hex("6000").unwrap()).unwrap();
|
|
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
|
|
let result = state.apply(&info, &machine, &t, true).unwrap();
|
|
|
|
let expected_trace = vec![FlatTrace {
|
|
trace_address: Default::default(),
|
|
subtraces: 1,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_str("9cce34f7ab185c7aba1b7c8140d620b4bda941d6").unwrap(),
|
|
to: Address::from_low_u64_be(0xa),
|
|
value: 100.into(),
|
|
gas: 79000.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: U256::from(69),
|
|
output: vec![]
|
|
}),
|
|
}, FlatTrace {
|
|
trace_address: vec![0].into_iter().collect(),
|
|
subtraces: 0,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_low_u64_be(0xa),
|
|
to: Address::from_low_u64_be(0xb),
|
|
value: 0.into(),
|
|
gas: 78934.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: U256::from(3),
|
|
output: vec![]
|
|
}),
|
|
}];
|
|
|
|
assert_eq!(result.trace, expected_trace);
|
|
}
|
|
|
|
#[test]
|
|
fn should_trace_call_with_basic_subcall_transaction() {
|
|
let _ = env_logger::try_init();
|
|
|
|
let mut state = get_temp_state();
|
|
|
|
let mut info = EnvInfo::default();
|
|
info.gas_limit = 1_000_000.into();
|
|
let machine = make_frontier_machine(5);
|
|
|
|
let t = Transaction {
|
|
nonce: 0.into(),
|
|
gas_price: 0.into(),
|
|
gas: 100_000.into(),
|
|
action: Action::Call(Address::from_low_u64_be(0xa)),
|
|
value: 100.into(),
|
|
data: vec![],
|
|
}.sign(&secret(), None);
|
|
|
|
state.init_code(&Address::from_low_u64_be(0xa), FromHex::from_hex("60006000600060006045600b6000f1").unwrap()).unwrap();
|
|
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
|
|
let result = state.apply(&info, &machine, &t, true).unwrap();
|
|
let expected_trace = vec![FlatTrace {
|
|
trace_address: Default::default(),
|
|
subtraces: 1,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_str("9cce34f7ab185c7aba1b7c8140d620b4bda941d6").unwrap(),
|
|
to: Address::from_low_u64_be(0xa),
|
|
value: 100.into(),
|
|
gas: 79000.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: U256::from(31761),
|
|
output: vec![]
|
|
}),
|
|
}, FlatTrace {
|
|
trace_address: vec![0].into_iter().collect(),
|
|
subtraces: 0,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_low_u64_be(0xa),
|
|
to: Address::from_low_u64_be(0xb),
|
|
value: 69.into(),
|
|
gas: 2300.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult::default()),
|
|
}];
|
|
|
|
assert_eq!(result.trace, expected_trace);
|
|
}
|
|
|
|
#[test]
|
|
fn should_not_trace_call_with_invalid_basic_subcall_transaction() {
|
|
let _ = env_logger::try_init();
|
|
|
|
let mut state = get_temp_state();
|
|
|
|
let mut info = EnvInfo::default();
|
|
info.gas_limit = 1_000_000.into();
|
|
let machine = make_frontier_machine(5);
|
|
|
|
let t = Transaction {
|
|
nonce: 0.into(),
|
|
gas_price: 0.into(),
|
|
gas: 100_000.into(),
|
|
action: Action::Call(Address::from_low_u64_be(0xa)),
|
|
value: 100.into(),
|
|
data: vec![],
|
|
}.sign(&secret(), None);
|
|
|
|
state.init_code(&Address::from_low_u64_be(0xa), FromHex::from_hex("600060006000600060ff600b6000f1").unwrap()).unwrap(); // not enough funds.
|
|
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
|
|
let result = state.apply(&info, &machine, &t, true).unwrap();
|
|
let expected_trace = vec![FlatTrace {
|
|
trace_address: Default::default(),
|
|
subtraces: 0,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_str("9cce34f7ab185c7aba1b7c8140d620b4bda941d6").unwrap(),
|
|
to: Address::from_low_u64_be(0xa),
|
|
value: 100.into(),
|
|
gas: 79000.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: U256::from(31761),
|
|
output: vec![]
|
|
}),
|
|
}];
|
|
|
|
assert_eq!(result.trace, expected_trace);
|
|
}
|
|
|
|
#[test]
|
|
fn should_trace_failed_subcall_transaction() {
|
|
let _ = env_logger::try_init();
|
|
|
|
let mut state = get_temp_state();
|
|
|
|
let mut info = EnvInfo::default();
|
|
info.gas_limit = 1_000_000.into();
|
|
let machine = make_frontier_machine(5);
|
|
|
|
let t = Transaction {
|
|
nonce: 0.into(),
|
|
gas_price: 0.into(),
|
|
gas: 100_000.into(),
|
|
action: Action::Call(Address::from_low_u64_be(0xa)),
|
|
value: 100.into(),
|
|
data: vec![],//600480600b6000396000f35b600056
|
|
}.sign(&secret(), None);
|
|
|
|
state.init_code(&Address::from_low_u64_be(0xa), FromHex::from_hex("60006000600060006000600b602b5a03f1").unwrap()).unwrap();
|
|
state.init_code(&Address::from_low_u64_be(0xb), FromHex::from_hex("5b600056").unwrap()).unwrap();
|
|
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
|
|
let result = state.apply(&info, &machine, &t, true).unwrap();
|
|
let expected_trace = vec![FlatTrace {
|
|
trace_address: Default::default(),
|
|
subtraces: 1,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_str("9cce34f7ab185c7aba1b7c8140d620b4bda941d6").unwrap(),
|
|
to: Address::from_low_u64_be(0xa),
|
|
value: 100.into(),
|
|
gas: 79000.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: U256::from(79_000),
|
|
output: vec![]
|
|
}),
|
|
}, FlatTrace {
|
|
trace_address: vec![0].into_iter().collect(),
|
|
subtraces: 0,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_low_u64_be(0xa),
|
|
to: Address::from_low_u64_be(0xb),
|
|
value: 0.into(),
|
|
gas: 78934.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::FailedCall(TraceError::OutOfGas),
|
|
}];
|
|
|
|
assert_eq!(result.trace, expected_trace);
|
|
}
|
|
|
|
#[test]
|
|
fn should_trace_call_with_subcall_with_subcall_transaction() {
|
|
let _ = env_logger::try_init();
|
|
|
|
let mut state = get_temp_state();
|
|
|
|
let mut info = EnvInfo::default();
|
|
info.gas_limit = 1_000_000.into();
|
|
let machine = make_frontier_machine(5);
|
|
|
|
let t = Transaction {
|
|
nonce: 0.into(),
|
|
gas_price: 0.into(),
|
|
gas: 100_000.into(),
|
|
action: Action::Call(Address::from_low_u64_be(0xa)),
|
|
value: 100.into(),
|
|
data: vec![],
|
|
}.sign(&secret(), None);
|
|
|
|
state.init_code(&Address::from_low_u64_be(0xa), FromHex::from_hex("60006000600060006000600b602b5a03f1").unwrap()).unwrap();
|
|
state.init_code(&Address::from_low_u64_be(0xb), FromHex::from_hex("60006000600060006000600c602b5a03f1").unwrap()).unwrap();
|
|
state.init_code(&Address::from_low_u64_be(0xc), FromHex::from_hex("6000").unwrap()).unwrap();
|
|
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
|
|
let result = state.apply(&info, &machine, &t, true).unwrap();
|
|
let expected_trace = vec![FlatTrace {
|
|
trace_address: Default::default(),
|
|
subtraces: 1,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_str("9cce34f7ab185c7aba1b7c8140d620b4bda941d6").unwrap(),
|
|
to: Address::from_low_u64_be(0xa),
|
|
value: 100.into(),
|
|
gas: 79000.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: U256::from(135),
|
|
output: vec![]
|
|
}),
|
|
}, FlatTrace {
|
|
trace_address: vec![0].into_iter().collect(),
|
|
subtraces: 1,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_low_u64_be(0xa),
|
|
to: Address::from_low_u64_be(0xb),
|
|
value: 0.into(),
|
|
gas: 78934.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: U256::from(69),
|
|
output: vec![]
|
|
}),
|
|
}, FlatTrace {
|
|
trace_address: vec![0, 0].into_iter().collect(),
|
|
subtraces: 0,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_low_u64_be(0xb),
|
|
to: Address::from_low_u64_be(0xc),
|
|
value: 0.into(),
|
|
gas: 78868.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: U256::from(3),
|
|
output: vec![]
|
|
}),
|
|
}];
|
|
|
|
assert_eq!(result.trace, expected_trace);
|
|
}
|
|
|
|
#[test]
|
|
fn should_trace_failed_subcall_with_subcall_transaction() {
|
|
let _ = env_logger::try_init();
|
|
|
|
let mut state = get_temp_state();
|
|
|
|
let mut info = EnvInfo::default();
|
|
info.gas_limit = 1_000_000.into();
|
|
let machine = make_frontier_machine(5);
|
|
|
|
let t = Transaction {
|
|
nonce: 0.into(),
|
|
gas_price: 0.into(),
|
|
gas: 100_000.into(),
|
|
action: Action::Call(Address::from_low_u64_be(0xa)),
|
|
value: 100.into(),
|
|
data: vec![],//600480600b6000396000f35b600056
|
|
}.sign(&secret(), None);
|
|
|
|
state.init_code(&Address::from_low_u64_be(0xa), FromHex::from_hex("60006000600060006000600b602b5a03f1").unwrap()).unwrap();
|
|
state.init_code(&Address::from_low_u64_be(0xb), FromHex::from_hex("60006000600060006000600c602b5a03f1505b601256").unwrap()).unwrap();
|
|
state.init_code(&Address::from_low_u64_be(0xc), FromHex::from_hex("6000").unwrap()).unwrap();
|
|
state.add_balance(&t.sender(), &(100.into()), CleanupMode::NoEmpty).unwrap();
|
|
let result = state.apply(&info, &machine, &t, true).unwrap();
|
|
|
|
let expected_trace = vec![FlatTrace {
|
|
trace_address: Default::default(),
|
|
subtraces: 1,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_str("9cce34f7ab185c7aba1b7c8140d620b4bda941d6").unwrap(),
|
|
to: Address::from_low_u64_be(0xa),
|
|
value: 100.into(),
|
|
gas: 79000.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: U256::from(79_000),
|
|
output: vec![]
|
|
})
|
|
}, FlatTrace {
|
|
trace_address: vec![0].into_iter().collect(),
|
|
subtraces: 1,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_low_u64_be(0xa),
|
|
to: Address::from_low_u64_be(0xb),
|
|
value: 0.into(),
|
|
gas: 78934.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::FailedCall(TraceError::OutOfGas),
|
|
}, FlatTrace {
|
|
trace_address: vec![0, 0].into_iter().collect(),
|
|
subtraces: 0,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_low_u64_be(0xb),
|
|
to: Address::from_low_u64_be(0xc),
|
|
value: 0.into(),
|
|
gas: 78868.into(),
|
|
call_type: CallType::Call,
|
|
input: vec![],
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: U256::from(3),
|
|
output: vec![]
|
|
}),
|
|
}];
|
|
|
|
assert_eq!(result.trace, expected_trace);
|
|
}
|
|
|
|
#[test]
|
|
fn should_trace_suicide() {
|
|
let _ = env_logger::try_init();
|
|
|
|
let mut state = get_temp_state();
|
|
|
|
let mut info = EnvInfo::default();
|
|
info.gas_limit = 1_000_000.into();
|
|
let machine = make_frontier_machine(5);
|
|
|
|
let t = Transaction {
|
|
nonce: 0.into(),
|
|
gas_price: 0.into(),
|
|
gas: 100_000.into(),
|
|
action: Action::Call(Address::from_low_u64_be(0xa)),
|
|
value: 100.into(),
|
|
data: vec![],
|
|
}.sign(&secret(), None);
|
|
|
|
state.init_code(&Address::from_low_u64_be(0xa), FromHex::from_hex("73000000000000000000000000000000000000000bff").unwrap()).unwrap();
|
|
state.add_balance(&Address::from_low_u64_be(0xa), &50.into(), CleanupMode::NoEmpty).unwrap();
|
|
state.add_balance(&t.sender(), &100.into(), CleanupMode::NoEmpty).unwrap();
|
|
let result = state.apply(&info, &machine, &t, true).unwrap();
|
|
let expected_trace = vec![FlatTrace {
|
|
trace_address: Default::default(),
|
|
subtraces: 1,
|
|
action: trace::Action::Call(trace::Call {
|
|
from: Address::from_str("9cce34f7ab185c7aba1b7c8140d620b4bda941d6").unwrap(),
|
|
to: Address::from_low_u64_be(0xa),
|
|
value: 100.into(),
|
|
gas: 79000.into(),
|
|
input: vec![],
|
|
call_type: CallType::Call,
|
|
}),
|
|
result: trace::Res::Call(trace::CallResult {
|
|
gas_used: 3.into(),
|
|
output: vec![]
|
|
}),
|
|
}, FlatTrace {
|
|
trace_address: vec![0].into_iter().collect(),
|
|
subtraces: 0,
|
|
action: trace::Action::Suicide(trace::Suicide {
|
|
address: Address::from_low_u64_be(0xa),
|
|
refund_address: Address::from_low_u64_be(0xb),
|
|
balance: 150.into(),
|
|
}),
|
|
result: trace::Res::None,
|
|
}];
|
|
|
|
assert_eq!(result.trace, expected_trace);
|
|
}
|
|
|
|
#[test]
|
|
fn code_from_database() {
|
|
let a = Address::zero();
|
|
let (root, db) = {
|
|
let mut state = get_temp_state();
|
|
state.require_or_from(&a, false, || Account::new_contract(42.into(), 0.into(), 0.into(), KECCAK_NULL_RLP), |_|{}).unwrap();
|
|
state.init_code(&a, vec![1, 2, 3]).unwrap();
|
|
assert_eq!(state.code(&a).unwrap(), Some(Arc::new(vec![1u8, 2, 3])));
|
|
state.commit().unwrap();
|
|
assert_eq!(state.code(&a).unwrap(), Some(Arc::new(vec![1u8, 2, 3])));
|
|
state.drop()
|
|
};
|
|
|
|
let state = State::from_existing(db, root, U256::from(0u8), Default::default()).unwrap();
|
|
assert_eq!(state.code(&a).unwrap(), Some(Arc::new(vec![1u8, 2, 3])));
|
|
}
|
|
|
|
#[test]
|
|
fn storage_at_from_database() {
|
|
let a = Address::zero();
|
|
let (root, db) = {
|
|
let mut state = get_temp_state();
|
|
state.set_storage(&a, BigEndianHash::from_uint(&U256::from(1u64)), BigEndianHash::from_uint(&U256::from(69u64))).unwrap();
|
|
state.commit().unwrap();
|
|
state.drop()
|
|
};
|
|
|
|
let s = State::from_existing(db, root, U256::from(0u8), Default::default()).unwrap();
|
|
let h1 = BigEndianHash::from_uint(&U256::from(1u64));
|
|
let h2 = BigEndianHash::from_uint(&U256::from(69u64));
|
|
assert_eq!(s.storage_at(&a, &h1).unwrap(), h2);
|
|
}
|
|
|
|
#[test]
|
|
fn get_from_database() {
|
|
let a = Address::zero();
|
|
let (root, db) = {
|
|
let mut state = get_temp_state();
|
|
state.inc_nonce(&a).unwrap();
|
|
state.add_balance(&a, &U256::from(69u64), CleanupMode::NoEmpty).unwrap();
|
|
state.commit().unwrap();
|
|
assert_eq!(state.balance(&a).unwrap(), U256::from(69u64));
|
|
state.drop()
|
|
};
|
|
|
|
let state = State::from_existing(db, root, U256::from(0u8), Default::default()).unwrap();
|
|
assert_eq!(state.balance(&a).unwrap(), U256::from(69u64));
|
|
assert_eq!(state.nonce(&a).unwrap(), U256::from(1u64));
|
|
}
|
|
|
|
#[test]
|
|
fn remove() {
|
|
let a = Address::zero();
|
|
let mut state = get_temp_state();
|
|
assert_eq!(state.exists(&a).unwrap(), false);
|
|
assert_eq!(state.exists_and_not_null(&a).unwrap(), false);
|
|
state.inc_nonce(&a).unwrap();
|
|
assert_eq!(state.exists(&a).unwrap(), true);
|
|
assert_eq!(state.exists_and_not_null(&a).unwrap(), true);
|
|
assert_eq!(state.nonce(&a).unwrap(), U256::from(1u64));
|
|
state.kill_account(&a);
|
|
assert_eq!(state.exists(&a).unwrap(), false);
|
|
assert_eq!(state.exists_and_not_null(&a).unwrap(), false);
|
|
assert_eq!(state.nonce(&a).unwrap(), U256::from(0u64));
|
|
}
|
|
|
|
#[test]
|
|
fn empty_account_is_not_created() {
|
|
let a = Address::zero();
|
|
let db = get_temp_state_db();
|
|
let (root, db) = {
|
|
let mut state = State::new(db, U256::from(0), Default::default());
|
|
state.add_balance(&a, &U256::default(), CleanupMode::NoEmpty).unwrap(); // create an empty account
|
|
state.commit().unwrap();
|
|
state.drop()
|
|
};
|
|
let state = State::from_existing(db, root, U256::from(0u8), Default::default()).unwrap();
|
|
assert!(!state.exists(&a).unwrap());
|
|
assert!(!state.exists_and_not_null(&a).unwrap());
|
|
}
|
|
|
|
#[test]
|
|
fn empty_account_exists_when_creation_forced() {
|
|
let a = Address::zero();
|
|
let db = get_temp_state_db();
|
|
let (root, db) = {
|
|
let mut state = State::new(db, U256::from(0), Default::default());
|
|
state.add_balance(&a, &U256::default(), CleanupMode::ForceCreate).unwrap(); // create an empty account
|
|
state.commit().unwrap();
|
|
state.drop()
|
|
};
|
|
let state = State::from_existing(db, root, U256::from(0u8), Default::default()).unwrap();
|
|
assert!(state.exists(&a).unwrap());
|
|
assert!(!state.exists_and_not_null(&a).unwrap());
|
|
}
|
|
|
|
#[test]
|
|
fn remove_from_database() {
|
|
let a = Address::zero();
|
|
let (root, db) = {
|
|
let mut state = get_temp_state();
|
|
state.inc_nonce(&a).unwrap();
|
|
state.commit().unwrap();
|
|
assert_eq!(state.exists(&a).unwrap(), true);
|
|
assert_eq!(state.nonce(&a).unwrap(), U256::from(1u64));
|
|
state.drop()
|
|
};
|
|
|
|
let (root, db) = {
|
|
let mut state = State::from_existing(db, root, U256::from(0u8), Default::default()).unwrap();
|
|
assert_eq!(state.exists(&a).unwrap(), true);
|
|
assert_eq!(state.nonce(&a).unwrap(), U256::from(1u64));
|
|
state.kill_account(&a);
|
|
state.commit().unwrap();
|
|
assert_eq!(state.exists(&a).unwrap(), false);
|
|
assert_eq!(state.nonce(&a).unwrap(), U256::from(0u64));
|
|
state.drop()
|
|
};
|
|
|
|
let state = State::from_existing(db, root, U256::from(0u8), Default::default()).unwrap();
|
|
assert_eq!(state.exists(&a).unwrap(), false);
|
|
assert_eq!(state.nonce(&a).unwrap(), U256::from(0u64));
|
|
}
|
|
|
|
#[test]
|
|
fn alter_balance() {
|
|
let mut state = get_temp_state();
|
|
let a = Address::zero();
|
|
let b = Address::from_low_u64_be(1u64);
|
|
state.add_balance(&a, &U256::from(69u64), CleanupMode::NoEmpty).unwrap();
|
|
assert_eq!(state.balance(&a).unwrap(), U256::from(69u64));
|
|
state.commit().unwrap();
|
|
assert_eq!(state.balance(&a).unwrap(), U256::from(69u64));
|
|
state.sub_balance(&a, &U256::from(42u64), &mut CleanupMode::NoEmpty).unwrap();
|
|
assert_eq!(state.balance(&a).unwrap(), U256::from(27u64));
|
|
state.commit().unwrap();
|
|
assert_eq!(state.balance(&a).unwrap(), U256::from(27u64));
|
|
state.transfer_balance(&a, &b, &U256::from(18u64), CleanupMode::NoEmpty).unwrap();
|
|
assert_eq!(state.balance(&a).unwrap(), U256::from(9u64));
|
|
assert_eq!(state.balance(&b).unwrap(), U256::from(18u64));
|
|
state.commit().unwrap();
|
|
assert_eq!(state.balance(&a).unwrap(), U256::from(9u64));
|
|
assert_eq!(state.balance(&b).unwrap(), U256::from(18u64));
|
|
}
|
|
|
|
#[test]
|
|
fn alter_nonce() {
|
|
let mut state = get_temp_state();
|
|
let a = Address::zero();
|
|
state.inc_nonce(&a).unwrap();
|
|
assert_eq!(state.nonce(&a).unwrap(), U256::from(1u64));
|
|
state.inc_nonce(&a).unwrap();
|
|
assert_eq!(state.nonce(&a).unwrap(), U256::from(2u64));
|
|
state.commit().unwrap();
|
|
assert_eq!(state.nonce(&a).unwrap(), U256::from(2u64));
|
|
state.inc_nonce(&a).unwrap();
|
|
assert_eq!(state.nonce(&a).unwrap(), U256::from(3u64));
|
|
state.commit().unwrap();
|
|
assert_eq!(state.nonce(&a).unwrap(), U256::from(3u64));
|
|
}
|
|
|
|
#[test]
|
|
fn balance_nonce() {
|
|
let mut state = get_temp_state();
|
|
let a = Address::zero();
|
|
assert_eq!(state.balance(&a).unwrap(), U256::from(0u64));
|
|
assert_eq!(state.nonce(&a).unwrap(), U256::from(0u64));
|
|
state.commit().unwrap();
|
|
assert_eq!(state.balance(&a).unwrap(), U256::from(0u64));
|
|
assert_eq!(state.nonce(&a).unwrap(), U256::from(0u64));
|
|
}
|
|
|
|
#[test]
|
|
fn ensure_cached() {
|
|
let mut state = get_temp_state();
|
|
let a = Address::zero();
|
|
state.require(&a, false).unwrap();
|
|
state.commit().unwrap();
|
|
assert_eq!(*state.root(), H256::from_str("0ce23f3c809de377b008a4a3ee94a0834aac8bec1f86e28ffe4fdb5a15b0c785").unwrap());
|
|
}
|
|
|
|
#[test]
|
|
fn checkpoint_basic() {
|
|
let mut state = get_temp_state();
|
|
let a = Address::zero();
|
|
state.checkpoint();
|
|
state.add_balance(&a, &U256::from(69u64), CleanupMode::NoEmpty).unwrap();
|
|
assert_eq!(state.balance(&a).unwrap(), U256::from(69u64));
|
|
state.discard_checkpoint();
|
|
assert_eq!(state.balance(&a).unwrap(), U256::from(69u64));
|
|
state.checkpoint();
|
|
state.add_balance(&a, &U256::from(1u64), CleanupMode::NoEmpty).unwrap();
|
|
assert_eq!(state.balance(&a).unwrap(), U256::from(70u64));
|
|
state.revert_to_checkpoint();
|
|
assert_eq!(state.balance(&a).unwrap(), U256::from(69u64));
|
|
}
|
|
|
|
#[test]
|
|
fn checkpoint_nested() {
|
|
let mut state = get_temp_state();
|
|
let a = Address::zero();
|
|
state.checkpoint();
|
|
state.checkpoint();
|
|
state.add_balance(&a, &U256::from(69u64), CleanupMode::NoEmpty).unwrap();
|
|
assert_eq!(state.balance(&a).unwrap(), U256::from(69u64));
|
|
state.discard_checkpoint();
|
|
assert_eq!(state.balance(&a).unwrap(), U256::from(69u64));
|
|
state.revert_to_checkpoint();
|
|
assert_eq!(state.balance(&a).unwrap(), U256::from(0));
|
|
}
|
|
|
|
#[test]
|
|
fn checkpoint_revert_to_get_storage_at() {
|
|
let mut state = get_temp_state();
|
|
let a = Address::zero();
|
|
let k = BigEndianHash::from_uint(&U256::from(0));
|
|
|
|
let c0 = state.checkpoint();
|
|
let c1 = state.checkpoint();
|
|
state.set_storage(&a, k, BigEndianHash::from_uint(&U256::from(1))).unwrap();
|
|
|
|
assert_eq!(state.checkpoint_storage_at(c0, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
assert_eq!(state.checkpoint_storage_at(c1, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
assert_eq!(state.storage_at(&a, &k).unwrap(), BigEndianHash::from_uint(&U256::from(1)));
|
|
|
|
state.revert_to_checkpoint(); // Revert to c1.
|
|
assert_eq!(state.checkpoint_storage_at(c0, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
assert_eq!(state.storage_at(&a, &k).unwrap(), BigEndianHash::from_uint(&U256::from(0)));
|
|
}
|
|
|
|
#[test]
|
|
fn checkpoint_from_empty_get_storage_at() {
|
|
let mut state = get_temp_state();
|
|
let a = Address::zero();
|
|
let k = BigEndianHash::from_uint(&U256::from(0));
|
|
let k2 = BigEndianHash::from_uint(&U256::from(1));
|
|
|
|
assert_eq!(state.storage_at(&a, &k).unwrap(), BigEndianHash::from_uint(&U256::from(0)));
|
|
state.clear();
|
|
|
|
let c0 = state.checkpoint();
|
|
state.new_contract(&a, U256::zero(), U256::zero(), U256::zero()).unwrap();
|
|
let c1 = state.checkpoint();
|
|
state.set_storage(&a, k, BigEndianHash::from_uint(&U256::from(1))).unwrap();
|
|
let c2 = state.checkpoint();
|
|
let c3 = state.checkpoint();
|
|
state.set_storage(&a, k2, BigEndianHash::from_uint(&U256::from(3))).unwrap();
|
|
state.set_storage(&a, k, BigEndianHash::from_uint(&U256::from(3))).unwrap();
|
|
let c4 = state.checkpoint();
|
|
state.set_storage(&a, k, BigEndianHash::from_uint(&U256::from(4))).unwrap();
|
|
let c5 = state.checkpoint();
|
|
|
|
assert_eq!(state.checkpoint_storage_at(c0, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
assert_eq!(state.checkpoint_storage_at(c1, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
assert_eq!(state.checkpoint_storage_at(c2, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(1))));
|
|
assert_eq!(state.checkpoint_storage_at(c3, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(1))));
|
|
assert_eq!(state.checkpoint_storage_at(c4, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(3))));
|
|
assert_eq!(state.checkpoint_storage_at(c5, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(4))));
|
|
|
|
state.discard_checkpoint(); // Commit/discard c5.
|
|
assert_eq!(state.checkpoint_storage_at(c0, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
assert_eq!(state.checkpoint_storage_at(c1, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
assert_eq!(state.checkpoint_storage_at(c2, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(1))));
|
|
assert_eq!(state.checkpoint_storage_at(c3, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(1))));
|
|
assert_eq!(state.checkpoint_storage_at(c4, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(3))));
|
|
|
|
state.revert_to_checkpoint(); // Revert to c4.
|
|
assert_eq!(state.checkpoint_storage_at(c0, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
assert_eq!(state.checkpoint_storage_at(c1, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
assert_eq!(state.checkpoint_storage_at(c2, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(1))));
|
|
assert_eq!(state.checkpoint_storage_at(c3, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(1))));
|
|
|
|
state.discard_checkpoint(); // Commit/discard c3.
|
|
assert_eq!(state.checkpoint_storage_at(c0, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
assert_eq!(state.checkpoint_storage_at(c1, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
assert_eq!(state.checkpoint_storage_at(c2, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(1))));
|
|
|
|
state.revert_to_checkpoint(); // Revert to c2.
|
|
assert_eq!(state.checkpoint_storage_at(c0, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
assert_eq!(state.checkpoint_storage_at(c1, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
|
|
state.discard_checkpoint(); // Commit/discard c1.
|
|
assert_eq!(state.checkpoint_storage_at(c0, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
}
|
|
|
|
#[test]
|
|
fn checkpoint_get_storage_at() {
|
|
let mut state = get_temp_state();
|
|
let a = Address::zero();
|
|
let k = BigEndianHash::from_uint(&U256::from(0));
|
|
let k2 = BigEndianHash::from_uint(&U256::from(1));
|
|
|
|
state.set_storage(&a, k, BigEndianHash::from_uint(&U256::from(0xffff))).unwrap();
|
|
state.commit().unwrap();
|
|
state.clear();
|
|
|
|
assert_eq!(state.storage_at(&a, &k).unwrap(), BigEndianHash::from_uint(&U256::from(0xffff)));
|
|
state.clear();
|
|
|
|
let cm1 = state.checkpoint();
|
|
let c0 = state.checkpoint();
|
|
state.new_contract(&a, U256::zero(), U256::zero(), U256::zero()).unwrap();
|
|
let c1 = state.checkpoint();
|
|
state.set_storage(&a, k, BigEndianHash::from_uint(&U256::from(1))).unwrap();
|
|
let c2 = state.checkpoint();
|
|
let c3 = state.checkpoint();
|
|
state.set_storage(&a, k2, BigEndianHash::from_uint(&U256::from(3))).unwrap();
|
|
state.set_storage(&a, k, BigEndianHash::from_uint(&U256::from(3))).unwrap();
|
|
let c4 = state.checkpoint();
|
|
state.set_storage(&a, k, BigEndianHash::from_uint(&U256::from(4))).unwrap();
|
|
let c5 = state.checkpoint();
|
|
|
|
assert_eq!(state.checkpoint_storage_at(cm1, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0xffff))));
|
|
assert_eq!(state.checkpoint_storage_at(c0, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0xffff))));
|
|
assert_eq!(state.checkpoint_storage_at(c1, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
assert_eq!(state.checkpoint_storage_at(c2, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(1))));
|
|
assert_eq!(state.checkpoint_storage_at(c3, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(1))));
|
|
assert_eq!(state.checkpoint_storage_at(c4, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(3))));
|
|
assert_eq!(state.checkpoint_storage_at(c5, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(4))));
|
|
|
|
state.discard_checkpoint(); // Commit/discard c5.
|
|
assert_eq!(state.checkpoint_storage_at(cm1, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0xffff))));
|
|
assert_eq!(state.checkpoint_storage_at(c0, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0xffff))));
|
|
assert_eq!(state.checkpoint_storage_at(c1, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
assert_eq!(state.checkpoint_storage_at(c2, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(1))));
|
|
assert_eq!(state.checkpoint_storage_at(c3, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(1))));
|
|
assert_eq!(state.checkpoint_storage_at(c4, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(3))));
|
|
|
|
state.revert_to_checkpoint(); // Revert to c4.
|
|
assert_eq!(state.checkpoint_storage_at(cm1, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0xffff))));
|
|
assert_eq!(state.checkpoint_storage_at(c0, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0xffff))));
|
|
assert_eq!(state.checkpoint_storage_at(c1, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
assert_eq!(state.checkpoint_storage_at(c2, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(1))));
|
|
assert_eq!(state.checkpoint_storage_at(c3, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(1))));
|
|
|
|
state.discard_checkpoint(); // Commit/discard c3.
|
|
assert_eq!(state.checkpoint_storage_at(cm1, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0xffff))));
|
|
assert_eq!(state.checkpoint_storage_at(c0, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0xffff))));
|
|
assert_eq!(state.checkpoint_storage_at(c1, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
assert_eq!(state.checkpoint_storage_at(c2, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(1))));
|
|
|
|
state.revert_to_checkpoint(); // Revert to c2.
|
|
assert_eq!(state.checkpoint_storage_at(cm1, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0xffff))));
|
|
assert_eq!(state.checkpoint_storage_at(c0, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0xffff))));
|
|
assert_eq!(state.checkpoint_storage_at(c1, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0))));
|
|
|
|
state.discard_checkpoint(); // Commit/discard c1.
|
|
assert_eq!(state.checkpoint_storage_at(cm1, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0xffff))));
|
|
assert_eq!(state.checkpoint_storage_at(c0, &a, &k).unwrap(), Some(BigEndianHash::from_uint(&U256::from(0xffff))));
|
|
}
|
|
|
|
#[test]
|
|
fn kill_account_with_checkpoints() {
|
|
let mut state = get_temp_state();
|
|
let a = Address::zero();
|
|
let k = BigEndianHash::from_uint(&U256::from(0));
|
|
state.checkpoint();
|
|
state.set_storage(&a, k, BigEndianHash::from_uint(&U256::from(1))).unwrap();
|
|
state.checkpoint();
|
|
state.kill_account(&a);
|
|
|
|
assert_eq!(state.storage_at(&a, &k).unwrap(), BigEndianHash::from_uint(&U256::from(0)));
|
|
state.revert_to_checkpoint();
|
|
assert_eq!(state.storage_at(&a, &k).unwrap(), BigEndianHash::from_uint(&U256::from(1)));
|
|
}
|
|
|
|
#[test]
|
|
fn create_contract_fail() {
|
|
let mut state = get_temp_state();
|
|
let orig_root = state.root().clone();
|
|
let a = Address::from_low_u64_be(1000);
|
|
|
|
state.checkpoint(); // c1
|
|
state.new_contract(&a, U256::zero(), U256::zero(), U256::zero()).unwrap();
|
|
state.add_balance(&a, &U256::from(1), CleanupMode::ForceCreate).unwrap();
|
|
state.checkpoint(); // c2
|
|
state.add_balance(&a, &U256::from(1), CleanupMode::ForceCreate).unwrap();
|
|
state.discard_checkpoint(); // discard c2
|
|
state.revert_to_checkpoint(); // revert to c1
|
|
assert_eq!(state.exists(&a).unwrap(), false);
|
|
|
|
state.commit().unwrap();
|
|
assert_eq!(orig_root, state.root().clone());
|
|
}
|
|
|
|
#[test]
|
|
fn create_contract_fail_previous_storage() {
|
|
let mut state = get_temp_state();
|
|
let a = Address::from_low_u64_be(1000);
|
|
let k = BigEndianHash::from_uint(&U256::from(0));
|
|
|
|
state.set_storage(&a, k, BigEndianHash::from_uint(&U256::from(0xffff))).unwrap();
|
|
state.commit().unwrap();
|
|
state.clear();
|
|
|
|
let orig_root = state.root().clone();
|
|
assert_eq!(state.storage_at(&a, &k).unwrap(), BigEndianHash::from_uint(&U256::from(0xffff)));
|
|
state.clear();
|
|
|
|
state.checkpoint(); // c1
|
|
state.new_contract(&a, U256::zero(), U256::zero(), U256::zero()).unwrap();
|
|
state.checkpoint(); // c2
|
|
state.set_storage(&a, k, BigEndianHash::from_uint(&U256::from(2))).unwrap();
|
|
state.revert_to_checkpoint(); // revert to c2
|
|
assert_eq!(state.storage_at(&a, &k).unwrap(), BigEndianHash::from_uint(&U256::from(0)));
|
|
state.revert_to_checkpoint(); // revert to c1
|
|
assert_eq!(state.storage_at(&a, &k).unwrap(), BigEndianHash::from_uint(&U256::from(0xffff)));
|
|
|
|
state.commit().unwrap();
|
|
assert_eq!(orig_root, state.root().clone());
|
|
}
|
|
|
|
#[test]
|
|
fn create_empty() {
|
|
let mut state = get_temp_state();
|
|
state.commit().unwrap();
|
|
assert_eq!(*state.root(), H256::from_str("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421").unwrap());
|
|
}
|
|
|
|
#[test]
|
|
fn should_not_panic_on_state_diff_with_storage() {
|
|
let mut state = get_temp_state();
|
|
let a = Address::from_low_u64_be(0xa);
|
|
state.init_code(&a, b"abcdefg".to_vec()).unwrap();;
|
|
state.add_balance(&a, &256.into(), CleanupMode::NoEmpty).unwrap();
|
|
state.set_storage(&a, H256::from_low_u64_be(0xb), H256::from_low_u64_be(0xc).into()).unwrap();
|
|
|
|
let mut new_state = state.clone();
|
|
new_state.set_storage(&a, H256::from_low_u64_be(0xb), H256::from_low_u64_be(0xd).into()).unwrap();
|
|
|
|
new_state.diff_from(state).unwrap();
|
|
}
|
|
|
|
#[test]
|
|
fn should_kill_garbage() {
|
|
let a = Address::from_low_u64_be(10);
|
|
let b = Address::from_low_u64_be(20);
|
|
let c = Address::from_low_u64_be(30);
|
|
let d = Address::from_low_u64_be(40);
|
|
let e = Address::from_low_u64_be(50);
|
|
let x = Address::from_low_u64_be(0);
|
|
let db = get_temp_state_db();
|
|
let (root, db) = {
|
|
let mut state = State::new(db, U256::from(0), Default::default());
|
|
state.add_balance(&a, &U256::default(), CleanupMode::ForceCreate).unwrap(); // create an empty account
|
|
state.add_balance(&b, &100.into(), CleanupMode::ForceCreate).unwrap(); // create a dust account
|
|
state.add_balance(&c, &101.into(), CleanupMode::ForceCreate).unwrap(); // create a normal account
|
|
state.add_balance(&d, &99.into(), CleanupMode::ForceCreate).unwrap(); // create another dust account
|
|
state.new_contract(&e, 100.into(), 1.into(), 0.into()).unwrap(); // create a contract account
|
|
state.init_code(&e, vec![0x00]).unwrap();
|
|
state.commit().unwrap();
|
|
state.drop()
|
|
};
|
|
|
|
let mut state = State::from_existing(db, root, U256::from(0u8), Default::default()).unwrap();
|
|
let mut touched = HashSet::new();
|
|
state.add_balance(&a, &U256::default(), CleanupMode::TrackTouched(&mut touched)).unwrap(); // touch an account
|
|
state.transfer_balance(&b, &x, &1.into(), CleanupMode::TrackTouched(&mut touched)).unwrap(); // touch an account decreasing its balance
|
|
state.transfer_balance(&c, &x, &1.into(), CleanupMode::TrackTouched(&mut touched)).unwrap(); // touch an account decreasing its balance
|
|
state.transfer_balance(&e, &x, &1.into(), CleanupMode::TrackTouched(&mut touched)).unwrap(); // touch an account decreasing its balance
|
|
state.kill_garbage(&touched, true, &None, false).unwrap();
|
|
assert!(!state.exists(&a).unwrap());
|
|
assert!(state.exists(&b).unwrap());
|
|
state.kill_garbage(&touched, true, &Some(100.into()), false).unwrap();
|
|
assert!(!state.exists(&b).unwrap());
|
|
assert!(state.exists(&c).unwrap());
|
|
assert!(state.exists(&d).unwrap());
|
|
assert!(state.exists(&e).unwrap());
|
|
state.kill_garbage(&touched, true, &Some(100.into()), true).unwrap();
|
|
assert!(state.exists(&c).unwrap());
|
|
assert!(state.exists(&d).unwrap());
|
|
assert!(!state.exists(&e).unwrap());
|
|
}
|
|
|
|
#[test]
|
|
fn should_trace_diff_suicided_accounts() {
|
|
let a = Address::from_low_u64_be(10);
|
|
let db = get_temp_state_db();
|
|
let (root, db) = {
|
|
let mut state = State::new(db, U256::from(0), Default::default());
|
|
state.add_balance(&a, &100.into(), CleanupMode::ForceCreate).unwrap();
|
|
state.commit().unwrap();
|
|
state.drop()
|
|
};
|
|
|
|
let mut state = State::from_existing(db, root, U256::from(0u8), Default::default()).unwrap();
|
|
let original = state.clone();
|
|
state.kill_account(&a);
|
|
|
|
let diff = state.diff_from(original).unwrap();
|
|
let diff_map = diff.raw;
|
|
assert_eq!(diff_map.len(), 1);
|
|
assert!(diff_map.get(&a).is_some());
|
|
assert_eq!(diff_map.get(&a),
|
|
pod::account::diff_pod(
|
|
Some(&PodAccount {
|
|
balance: U256::from(100),
|
|
nonce: U256::zero(),
|
|
code: Some(Default::default()),
|
|
storage: Default::default(),
|
|
version: U256::zero(),
|
|
}), None).as_ref());
|
|
}
|
|
|
|
#[test]
|
|
fn should_trace_diff_unmodified_storage() {
|
|
let a = Address::from_low_u64_be(10);
|
|
let db = get_temp_state_db();
|
|
|
|
let (root, db) = {
|
|
let mut state = State::new(db, U256::from(0), Default::default());
|
|
state.set_storage(&a, BigEndianHash::from_uint(&U256::from(1u64)), BigEndianHash::from_uint(&U256::from(20u64))).unwrap();
|
|
state.commit().unwrap();
|
|
state.drop()
|
|
};
|
|
|
|
let mut state = State::from_existing(db, root, U256::from(0u8), Default::default()).unwrap();
|
|
let original = state.clone();
|
|
state.set_storage(&a, BigEndianHash::from_uint(&U256::from(1u64)), BigEndianHash::from_uint(&U256::from(100u64))).unwrap();
|
|
|
|
let diff = state.diff_from(original).unwrap();
|
|
let diff_map = diff.raw;
|
|
assert_eq!(diff_map.len(), 1);
|
|
assert!(diff_map.get(&a).is_some());
|
|
assert_eq!(diff_map.get(&a),
|
|
pod::account::diff_pod(
|
|
Some(&PodAccount {
|
|
balance: U256::zero(),
|
|
nonce: U256::zero(),
|
|
code: Some(Default::default()),
|
|
storage: vec![(BigEndianHash::from_uint(&U256::from(1u64)), BigEndianHash::from_uint(&U256::from(20u64)))].into_iter().collect(),
|
|
version: U256::zero(),
|
|
}),
|
|
Some(&PodAccount {
|
|
balance: U256::zero(),
|
|
nonce: U256::zero(),
|
|
code: Some(Default::default()),
|
|
storage: vec![(BigEndianHash::from_uint(&U256::from(1u64)), BigEndianHash::from_uint(&U256::from(100u64)))].into_iter().collect(),
|
|
version: U256::zero(),
|
|
})).as_ref());
|
|
}
|
|
|
|
#[test]
|
|
fn should_get_full_pod_storage_values() {
|
|
use trie::{TrieFactory, TrieSpec};
|
|
|
|
let a = Address::from_low_u64_be(10);
|
|
let db = get_temp_state_db();
|
|
|
|
let factories = Factories {
|
|
vm: Default::default(),
|
|
trie: TrieFactory::new(TrieSpec::Fat),
|
|
accountdb: Default::default(),
|
|
};
|
|
|
|
let get_pod_state_val = |pod_state : &PodState, ak, k| {
|
|
pod_state.get().get(ak).unwrap().storage.get(&k).unwrap().clone()
|
|
};
|
|
|
|
let storage_address: H256 = BigEndianHash::from_uint(&U256::from(1u64));
|
|
|
|
let (root, db) = {
|
|
let mut state = State::new(db, U256::from(0), factories.clone());
|
|
state.set_storage(&a, storage_address.clone(), BigEndianHash::from_uint(&U256::from(20u64))).unwrap();
|
|
let dump = state.to_pod_full().unwrap();
|
|
assert_eq!(get_pod_state_val(&dump, &a, storage_address.clone()), BigEndianHash::from_uint(&U256::from(20u64)));
|
|
state.commit().unwrap();
|
|
let dump = state.to_pod_full().unwrap();
|
|
assert_eq!(get_pod_state_val(&dump, &a, storage_address.clone()), BigEndianHash::from_uint(&U256::from(20u64)));
|
|
state.drop()
|
|
};
|
|
|
|
let mut state = State::from_existing(db, root, U256::from(0u8), factories).unwrap();
|
|
let dump = state.to_pod_full().unwrap();
|
|
assert_eq!(get_pod_state_val(&dump, &a, storage_address.clone()), BigEndianHash::from_uint(&U256::from(20u64)));
|
|
state.set_storage(&a, storage_address.clone(), BigEndianHash::from_uint(&U256::from(21u64))).unwrap();
|
|
let dump = state.to_pod_full().unwrap();
|
|
assert_eq!(get_pod_state_val(&dump, &a, storage_address.clone()), BigEndianHash::from_uint(&U256::from(21u64)));
|
|
state.commit().unwrap();
|
|
state.set_storage(&a, storage_address.clone(), BigEndianHash::from_uint(&U256::from(0u64))).unwrap();
|
|
let dump = state.to_pod_full().unwrap();
|
|
assert_eq!(get_pod_state_val(&dump, &a, storage_address.clone()), BigEndianHash::from_uint(&U256::from(0u64)));
|
|
}
|
|
}
|