openethereum/ethcore/src/trace/noop_tracer.rs
Wei Tang 1e9aebbc86
Resumable EVM and heap-allocated callstack (#9360)
* Add new Vm trappable interface

* Exec/Resume interface

* Basic implementation of CallCreateExecutive

* Implement resume_call and resume_create for executive

* Move convertion to call/create result to separate function

* Implement consume that converts resumable to non-resumable

* Use consume for Executive::call/create

* Resumable EVM

* Implement tracing mode without needing subtracers

* Implement vmtracer so it doesn't require extra structs for subtracing

* Use the new tracing mode in executive

* Fix most of the linting errors for cargo build

* Add the concept of stack_depth

* Add back crossbeam

* Fix some test compile

* Fix prefix address test

* Fix evm crate tests

* Fix wasm crate test compile

* Fix wasm runner compile

* Fix jsontests compile

* Fix evmbin compile

* Fix an issue with create nonce and better vm tracing interface

* Fix linting

* Fix evmbin compile

* Fix unconfirmed_substate and static_flag

* Fix an issue in create address logic

* Fix top-level tracing

* Handle builtin tracing

* Fix suicide and reward tracing index stack

* Fix an issue where trap conflicts with tracing

* Fix an issue in parent step vm tracing

* Fix revert tracing

* Fix evmbin tests

* Remove params clone

* Fix TODO proofs

* Fix jsontests compile

* Fix evmbin merge issue

* Fix wasm merge issue

* Fix wasm test

* Fix ethcore merge warnings

* Fix evmbin compile

* Better expect messages and add some trace::skip_one asserts
2018-10-02 22:33:19 +08:00

48 lines
1.7 KiB
Rust

// Copyright 2015-2018 Parity Technologies (UK) Ltd.
// This file is part of Parity.
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.
//! Nonoperative tracer.
use ethereum_types::{U256, Address};
use vm::{Error as VmError, ActionParams};
use trace::{Tracer, VMTracer, FlatTrace};
use trace::trace::{VMTrace, RewardType};
/// Nonoperative tracer. Does not trace anything.
pub struct NoopTracer;
impl Tracer for NoopTracer {
type Output = FlatTrace;
fn prepare_trace_call(&mut self, _: &ActionParams, _: usize, _: bool) { }
fn prepare_trace_create(&mut self, _: &ActionParams) { }
fn done_trace_call(&mut self, _: U256, _: &[u8]) { }
fn done_trace_create(&mut self, _: U256, _: &[u8], _: Address) { }
fn done_trace_failed(&mut self, _: &VmError) { }
fn trace_suicide(&mut self, _: Address, _: U256, _: Address) { }
fn trace_reward(&mut self, _: Address, _: U256, _: RewardType) { }
fn drain(self) -> Vec<FlatTrace> { vec![] }
}
/// Nonoperative VM tracer. Does not trace anything.
pub struct NoopVMTracer;
impl VMTracer for NoopVMTracer {
type Output = VMTrace;
fn drain(self) -> Option<VMTrace> { None }
}