279 lines
8.9 KiB
Rust
279 lines
8.9 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of OpenEthereum.
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// OpenEthereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// OpenEthereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
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//! Traces api implementation.
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use std::sync::Arc;
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use ethcore::client::{
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BlockChainClient, BlockId, Call, CallAnalytics, EngineInfo, StateClient, StateInfo, TraceId,
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TransactionId,
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};
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use ethereum_types::H256;
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use types::transaction::{SignedTransaction, TypedTransaction};
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use jsonrpc_core::Result;
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use v1::{
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helpers::{errors, fake_sign},
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traits::Traces,
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types::{
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block_number_to_id, BlockNumber, Bytes, CallRequest, Index, LocalizedTrace, TraceFilter,
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TraceOptions, TraceResults, TraceResultsWithTransactionHash,
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},
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Metadata,
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};
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fn to_call_analytics(flags: TraceOptions) -> CallAnalytics {
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CallAnalytics {
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transaction_tracing: flags.contains(&("trace".to_owned())),
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vm_tracing: flags.contains(&("vmTrace".to_owned())),
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state_diffing: flags.contains(&("stateDiff".to_owned())),
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}
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}
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/// Traces api implementation.
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pub struct TracesClient<C> {
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client: Arc<C>,
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}
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impl<C> TracesClient<C> {
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/// Creates new Traces client.
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pub fn new(client: &Arc<C>) -> Self {
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TracesClient {
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client: client.clone(),
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}
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}
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}
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impl<C, S> Traces for TracesClient<C>
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where
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S: StateInfo + 'static,
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C: BlockChainClient + StateClient<State = S> + Call<State = S> + EngineInfo + 'static,
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{
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type Metadata = Metadata;
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fn filter(&self, filter: TraceFilter) -> Result<Option<Vec<LocalizedTrace>>> {
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Ok(self
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.client
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.filter_traces(filter.into())
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.map(|traces| traces.into_iter().map(LocalizedTrace::from).collect()))
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}
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fn block_traces(&self, block_number: BlockNumber) -> Result<Option<Vec<LocalizedTrace>>> {
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let id = match block_number {
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BlockNumber::Pending => return Ok(None),
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num => block_number_to_id(num),
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};
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Ok(self
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.client
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.block_traces(id)
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.map(|traces| traces.into_iter().map(LocalizedTrace::from).collect()))
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}
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fn transaction_traces(&self, transaction_hash: H256) -> Result<Option<Vec<LocalizedTrace>>> {
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Ok(self
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.client
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.transaction_traces(TransactionId::Hash(transaction_hash))
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.map(|traces| traces.into_iter().map(LocalizedTrace::from).collect()))
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}
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fn trace(&self, transaction_hash: H256, address: Vec<Index>) -> Result<Option<LocalizedTrace>> {
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let id = TraceId {
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transaction: TransactionId::Hash(transaction_hash),
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address: address.into_iter().map(|i| i.value()).collect(),
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};
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Ok(self.client.trace(id).map(LocalizedTrace::from))
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}
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fn call(
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&self,
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request: CallRequest,
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flags: TraceOptions,
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block: Option<BlockNumber>,
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) -> Result<TraceResults> {
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let block = block.unwrap_or_default();
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let request = CallRequest::into(request);
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let signed = fake_sign::sign_call(request)?;
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let id = match block {
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BlockNumber::Hash { hash, .. } => BlockId::Hash(hash),
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BlockNumber::Num(num) => BlockId::Number(num),
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BlockNumber::Earliest => BlockId::Earliest,
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BlockNumber::Latest => BlockId::Latest,
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BlockNumber::Pending => {
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return Err(errors::invalid_params(
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"`BlockNumber::Pending` is not supported",
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(),
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))
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}
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};
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let mut state = self.client.state_at(id).ok_or_else(errors::state_pruned)?;
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let header = self
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.client
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.block_header(id)
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.ok_or_else(errors::state_pruned)?;
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self.client
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.call(
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&signed,
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to_call_analytics(flags),
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&mut state,
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&header
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.decode(self.client.engine().params().eip1559_transition)
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.map_err(errors::decode)?,
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)
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.map(TraceResults::from)
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.map_err(errors::call)
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}
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fn call_many(
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&self,
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requests: Vec<(CallRequest, TraceOptions)>,
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block: Option<BlockNumber>,
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) -> Result<Vec<TraceResults>> {
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let block = block.unwrap_or_default();
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let requests = requests
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.into_iter()
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.map(|(request, flags)| {
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let request = CallRequest::into(request);
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let signed = fake_sign::sign_call(request)?;
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Ok((signed, to_call_analytics(flags)))
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})
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.collect::<Result<Vec<_>>>()?;
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let id = match block {
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BlockNumber::Hash { hash, .. } => BlockId::Hash(hash),
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BlockNumber::Num(num) => BlockId::Number(num),
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BlockNumber::Earliest => BlockId::Earliest,
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BlockNumber::Latest => BlockId::Latest,
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BlockNumber::Pending => {
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return Err(errors::invalid_params(
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"`BlockNumber::Pending` is not supported",
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(),
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))
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}
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};
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let mut state = self.client.state_at(id).ok_or_else(errors::state_pruned)?;
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let header = self
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.client
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.block_header(id)
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.ok_or_else(errors::state_pruned)?;
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self.client
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.call_many(
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&requests,
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&mut state,
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&header
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.decode(self.client.engine().params().eip1559_transition)
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.map_err(errors::decode)?,
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)
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.map(|results| results.into_iter().map(TraceResults::from).collect())
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.map_err(errors::call)
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}
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fn raw_transaction(
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&self,
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raw_transaction: Bytes,
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flags: TraceOptions,
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block: Option<BlockNumber>,
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) -> Result<TraceResults> {
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let block = block.unwrap_or_default();
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let tx = TypedTransaction::decode(&raw_transaction.0)
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.map_err(|e| errors::invalid_params("Transaction is not in valid Format", e))?;
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let signed = SignedTransaction::new(tx).map_err(errors::transaction)?;
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let id = match block {
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BlockNumber::Hash { hash, .. } => BlockId::Hash(hash),
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BlockNumber::Num(num) => BlockId::Number(num),
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BlockNumber::Earliest => BlockId::Earliest,
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BlockNumber::Latest => BlockId::Latest,
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BlockNumber::Pending => {
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return Err(errors::invalid_params(
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"`BlockNumber::Pending` is not supported",
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(),
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))
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}
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};
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let mut state = self.client.state_at(id).ok_or_else(errors::state_pruned)?;
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let header = self
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.client
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.block_header(id)
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.ok_or_else(errors::state_pruned)?;
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self.client
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.call(
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&signed,
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to_call_analytics(flags),
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&mut state,
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&header
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.decode(self.client.engine().params().eip1559_transition)
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.map_err(errors::decode)?,
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)
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.map(TraceResults::from)
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.map_err(errors::call)
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}
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fn replay_transaction(
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&self,
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transaction_hash: H256,
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flags: TraceOptions,
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) -> Result<TraceResults> {
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self.client
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.replay(
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TransactionId::Hash(transaction_hash),
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to_call_analytics(flags),
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)
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.map(TraceResults::from)
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.map_err(errors::call)
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}
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fn replay_block_transactions(
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&self,
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block_number: BlockNumber,
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flags: TraceOptions,
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) -> Result<Vec<TraceResultsWithTransactionHash>> {
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let id = match block_number {
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BlockNumber::Hash { hash, .. } => BlockId::Hash(hash),
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BlockNumber::Num(num) => BlockId::Number(num),
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BlockNumber::Earliest => BlockId::Earliest,
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BlockNumber::Latest => BlockId::Latest,
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BlockNumber::Pending => {
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return Err(errors::invalid_params(
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"`BlockNumber::Pending` is not supported",
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(),
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))
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}
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};
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self.client
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.replay_block_transactions(id, to_call_analytics(flags))
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.map(|results| results.map(TraceResultsWithTransactionHash::from).collect())
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.map_err(errors::call)
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}
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}
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