trust just removing uncles from the cache
This commit is contained in:
Bryan Stitt
parent
4fe9ec38f0
commit
a10a283023
@ -52,6 +52,12 @@ pub enum Web3ProxyError {
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#[error(ignore)]
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Anyhow(anyhow::Error),
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Arc(Arc<Self>),
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#[from(ignore)]
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#[display(fmt = "{:?} to {:?}", min, max)]
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ArchiveRequired {
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min: Option<U64>,
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max: Option<U64>,
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},
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#[error(ignore)]
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#[from(ignore)]
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BadRequest(Cow<'static, str>),
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@ -235,6 +241,21 @@ impl Web3ProxyError {
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},
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)
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}
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Self::ArchiveRequired { min, max } => {
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// TODO: attach something to this trace. probably don't include much in the message though. don't want to leak creds by accident
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trace!(?min, ?max, "archive node required");
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(
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StatusCode::OK,
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JsonRpcErrorData {
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message: "Archive data required".into(),
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code: StatusCode::OK.as_u16().into(),
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data: Some(json!({
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"min": min,
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"max": max,
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})),
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},
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)
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}
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Self::Anyhow(err) => {
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error!(?err, "anyhow: {}", err);
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(
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@ -12,8 +12,9 @@ use serde_json::json;
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use std::hash::Hash;
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use std::time::Duration;
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use std::{fmt::Display, sync::Arc};
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use tokio::select;
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use tokio::sync::mpsc;
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use tokio::time::timeout;
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use tokio::time::sleep;
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use tracing::{debug, error, warn};
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// TODO: type for Hydrated Blocks with their full transactions?
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@ -172,60 +173,9 @@ impl Web3Rpcs {
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// loop to make sure parent hashes match our caches
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// set the first ancestor to the blocks' parent hash. but keep going up the chain
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if let Some(parent_num) = block.number().checked_sub(1.into()) {
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struct Ancestor {
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num: U64,
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hash: H256,
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}
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let mut ancestor = Ancestor {
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num: parent_num,
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hash: *block.parent_hash(),
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};
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// TODO: smarter max loop on this
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for _ in 0..16 {
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let ancestor_number_to_hash_entry = self
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.blocks_by_number
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.entry_by_ref(&ancestor.num)
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.or_insert(ancestor.hash)
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.await;
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if *ancestor_number_to_hash_entry.value() == ancestor.hash {
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// the existing number entry matches. all good
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break;
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}
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// oh no! ancestor_number_to_hash_entry is different
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// remove the uncled entry in blocks_by_hash
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// we will look it up later if necessary
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self.blocks_by_hash
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.invalidate(ancestor_number_to_hash_entry.value())
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.await;
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// TODO: delete any cached entries for eth_getBlockByHash or eth_getBlockByNumber
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// TODO: race on this drop and insert?
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drop(ancestor_number_to_hash_entry);
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// update the entry in blocks_by_number
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self.blocks_by_number
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.insert(ancestor.num, ancestor.hash)
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.await;
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// try to check the parent of this ancestor
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if let Some(ancestor_block) = self.blocks_by_hash.get(&ancestor.hash).await {
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match ancestor_block.number().checked_sub(1.into()) {
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None => break,
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Some(ancestor_parent_num) => {
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ancestor = Ancestor {
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num: ancestor_parent_num,
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hash: *ancestor_block.parent_hash(),
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}
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}
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}
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} else {
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break;
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}
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}
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self.blocks_by_number
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.insert(parent_num, *block.parent_hash())
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.await;
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}
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}
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@ -399,67 +349,43 @@ impl Web3Rpcs {
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ConsensusFinder::new(Some(self.max_head_block_age), Some(self.max_head_block_lag));
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// TODO: what timeout on block receiver? we want to keep consensus_finder fresh so that server tiers are correct
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let double_block_time = average_block_interval(self.chain_id).mul_f32(2.0);
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let mut had_first_success = false;
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let triple_block_time = average_block_interval(self.chain_id).mul_f32(3.0);
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loop {
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match timeout(double_block_time, block_and_rpc_receiver.recv()).await {
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Ok(Some((new_block, rpc))) => {
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let rpc_name = rpc.name.clone();
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let rpc_is_backup = rpc.backup;
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select! {
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x = block_and_rpc_receiver.recv() => {
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match x {
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Some((new_block, rpc)) => {
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let rpc_name = rpc.name.clone();
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// TODO: what timeout on this?
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match timeout(
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Duration::from_secs(1),
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consensus_finder.process_block_from_rpc(self, new_block, rpc),
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)
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.await
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{
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Ok(Ok(_)) => had_first_success = true,
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Ok(Err(err)) => {
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if had_first_success {
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error!(
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"error while processing block from rpc {}: {:#?}",
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rpc_name, err
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);
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} else {
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debug!(
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"startup error while processing block from rpc {}: {:#?}",
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rpc_name, err
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);
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// TODO: we used to have a timeout on this, but i think it was obscuring a bug
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match consensus_finder
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.process_block_from_rpc(self, new_block, rpc)
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.await
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{
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Ok(_) => {},
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Err(err) => {
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error!(
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"error while processing block from rpc {}: {:#?}",
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rpc_name, err
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);
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}
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}
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}
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Err(timeout) => {
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if rpc_is_backup {
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debug!(
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?timeout,
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"timeout while processing block from {}", rpc_name
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);
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} else {
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warn!(?timeout, "timeout while processing block from {}", rpc_name);
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}
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None => {
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// TODO: panic is probably too much, but getting here is definitely not good
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return Err(anyhow::anyhow!("block_receiver on {} exited", self).into());
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}
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}
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}
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Ok(None) => {
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// TODO: panic is probably too much, but getting here is definitely not good
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return Err(anyhow::anyhow!("block_receiver on {} exited", self).into());
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}
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Err(_) => {
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_ = sleep(triple_block_time) => {
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// TODO: what timeout on this?
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match timeout(
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Duration::from_secs(2),
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consensus_finder.refresh(self, None, None),
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)
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.await
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{
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Ok(Ok(_)) => {}
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Ok(Err(err)) => {
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error!("error while refreshing consensus finder: {:#?}", err);
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match consensus_finder.refresh(self, None, None).await {
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Ok(_) => {
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warn!("had to refresh consensus finder. is the network going slow?");
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}
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Err(timeout) => {
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error!("timeout while refreshing consensus finder: {:#?}", timeout);
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Err(err) => {
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error!("error while refreshing consensus finder: {:#?}", err);
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}
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}
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}
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@ -398,11 +398,23 @@ impl OpenRequestHandle {
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for prefix in archive_prefixes {
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if error.message.starts_with(prefix) {
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// TODO: what error?
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response = Err(Web3ProxyError::NoBlockNumberOrHash);
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response = Err(Web3ProxyError::ArchiveRequired {
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min: self.web3_request.min_block_needed(),
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max: self.web3_request.max_block_needed(),
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});
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break;
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}
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}
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}
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ResponseType::Error
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}
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-32001 => {
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if error.message == "Exceeded the quota usage" {
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ResponseType::RateLimited
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} else {
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ResponseType::Error
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}
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}
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-32601 => {
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let error_msg = error.message.as_ref();
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@ -422,11 +434,11 @@ impl OpenRequestHandle {
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response =
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Err(Web3ProxyError::MethodNotFound(method.into()))
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}
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}
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_ => {}
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}
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ResponseType::Error
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ResponseType::Error
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}
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_ => ResponseType::Error,
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}
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}
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}
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},
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