openethereum/rpc/src/v1/impls/traces.rs
2017-08-15 10:38:49 +02:00

134 lines
4.8 KiB
Rust

// Copyright 2015-2017 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/>.
//! Traces api implementation.
use std::sync::Arc;
use ethcore::client::{MiningBlockChainClient, CallAnalytics, TransactionId, TraceId};
use ethcore::miner::MinerService;
use ethcore::transaction::SignedTransaction;
use rlp::UntrustedRlp;
use jsonrpc_core::Error;
use jsonrpc_core::futures::{self, Future, BoxFuture};
use jsonrpc_macros::Trailing;
use v1::Metadata;
use v1::traits::Traces;
use v1::helpers::{errors, fake_sign};
use v1::types::{TraceFilter, LocalizedTrace, BlockNumber, Index, CallRequest, Bytes, TraceResults, TraceOptions, H256};
fn to_call_analytics(flags: TraceOptions) -> CallAnalytics {
CallAnalytics {
transaction_tracing: flags.contains(&("trace".to_owned())),
vm_tracing: flags.contains(&("vmTrace".to_owned())),
state_diffing: flags.contains(&("stateDiff".to_owned())),
}
}
/// Traces api implementation.
pub struct TracesClient<C, M> {
client: Arc<C>,
miner: Arc<M>,
}
impl<C, M> TracesClient<C, M> {
/// Creates new Traces client.
pub fn new(client: &Arc<C>, miner: &Arc<M>) -> Self {
TracesClient {
client: client.clone(),
miner: miner.clone(),
}
}
}
impl<C, M> Traces for TracesClient<C, M> where C: MiningBlockChainClient + 'static, M: MinerService + 'static {
type Metadata = Metadata;
fn filter(&self, filter: TraceFilter) -> Result<Option<Vec<LocalizedTrace>>, Error> {
Ok(self.client.filter_traces(filter.into())
.map(|traces| traces.into_iter().map(LocalizedTrace::from).collect()))
}
fn block_traces(&self, block_number: BlockNumber) -> Result<Option<Vec<LocalizedTrace>>, Error> {
Ok(self.client.block_traces(block_number.into())
.map(|traces| traces.into_iter().map(LocalizedTrace::from).collect()))
}
fn transaction_traces(&self, transaction_hash: H256) -> Result<Option<Vec<LocalizedTrace>>, Error> {
Ok(self.client.transaction_traces(TransactionId::Hash(transaction_hash.into()))
.map(|traces| traces.into_iter().map(LocalizedTrace::from).collect()))
}
fn trace(&self, transaction_hash: H256, address: Vec<Index>) -> Result<Option<LocalizedTrace>, Error> {
let id = TraceId {
transaction: TransactionId::Hash(transaction_hash.into()),
address: address.into_iter().map(|i| i.value()).collect()
};
Ok(self.client.trace(id)
.map(LocalizedTrace::from))
}
fn call(&self, meta: Self::Metadata, request: CallRequest, flags: TraceOptions, block: Trailing<BlockNumber>) -> BoxFuture<TraceResults, Error> {
let block = block.unwrap_or_default();
let request = CallRequest::into(request);
let signed = try_bf!(fake_sign::sign_call(&self.client, &self.miner, request, meta.is_dapp()));
let res = self.client.call(&signed, to_call_analytics(flags), block.into())
.map(TraceResults::from)
.map_err(errors::call);
futures::done(res).boxed()
}
fn call_many(&self, meta: Self::Metadata, requests: Vec<(CallRequest, TraceOptions)>, block: Trailing<BlockNumber>) -> BoxFuture<Vec<TraceResults>, Error> {
let block = block.unwrap_or_default();
let requests = try_bf!(requests.into_iter()
.map(|(request, flags)| {
let request = CallRequest::into(request);
let signed = fake_sign::sign_call(&self.client, &self.miner, request, meta.is_dapp())?;
Ok((signed, to_call_analytics(flags)))
})
.collect::<Result<Vec<_>, Error>>());
let res = self.client.call_many(&requests, block.into())
.map(|results| results.into_iter().map(TraceResults::from).collect())
.map_err(errors::call);
futures::done(res).boxed()
}
fn raw_transaction(&self, raw_transaction: Bytes, flags: TraceOptions, block: Trailing<BlockNumber>) -> Result<TraceResults, Error> {
let block = block.unwrap_or_default();
let tx = UntrustedRlp::new(&raw_transaction.into_vec()).as_val().map_err(|e| errors::invalid_params("Transaction is not valid RLP", e))?;
let signed = SignedTransaction::new(tx).map_err(errors::transaction)?;
self.client.call(&signed, to_call_analytics(flags), block.into())
.map(TraceResults::from)
.map_err(errors::call)
}
fn replay_transaction(&self, transaction_hash: H256, flags: TraceOptions) -> Result<TraceResults, Error> {
self.client.replay(TransactionId::Hash(transaction_hash.into()), to_call_analytics(flags))
.map(TraceResults::from)
.map_err(errors::call)
}
}