tornadocontrib/web3-proxy
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add stub for transaction firewall

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This commit is contained in:
Bryan Stitt 2022-07-13 23:25:01 +00:00
parent 58091e5929
commit 3d7a7a72e9
2 changed files with 24 additions and 9 deletions
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29
web3-proxy/src/app.rs
View File

@ -1,7 +1,7 @@
use axum::extract::ws::Message;
use dashmap::mapref::entry::Entry as DashMapEntry;
use dashmap::DashMap;
use ethers::prelude::{Address, Transaction};
use ethers::prelude::{Address, Bytes, Transaction};
use ethers::prelude::{Block, TxHash, H256};
use futures::future::Abortable;
use futures::future::{join_all, AbortHandle};
@ -15,6 +15,7 @@ use redis_cell_client::{bb8, RedisCellClient, RedisConnectionManager};
use serde_json::json;
use std::fmt;
use std::pin::Pin;
use std::str::FromStr;
use std::sync::atomic::{self, AtomicUsize};
use std::sync::Arc;
use std::time::Duration;
@ -27,6 +28,7 @@ use tracing::{info, info_span, instrument, trace, warn, Instrument};
use crate::bb8_helpers;
use crate::config::AppConfig;
use crate::connections::Web3Connections;
use crate::firewall::check_firewall_raw;
use crate::jsonrpc::JsonRpcForwardedResponse;
use crate::jsonrpc::JsonRpcForwardedResponseEnum;
use crate::jsonrpc::JsonRpcRequest;
@ -732,12 +734,25 @@ impl Web3ProxyApp {
}
// TODO: eth_sendBundle (flashbots command)
// broadcast transactions to all private rpcs at once
"eth_sendRawTransaction" => {
self.private_rpcs
.try_send_all_upstream_servers(request, false)
.instrument(span)
.await
}
"eth_sendRawTransaction" => match &request.params {
Some(serde_json::Value::Array(params)) => {
if params.len() != 1 || !params[0].is_string() {
return Err(anyhow::anyhow!("invalid request"));
}
let raw_tx = Bytes::from_str(params[0].as_str().unwrap())?;
if check_firewall_raw(&raw_tx).await? {
self.private_rpcs
.try_send_all_upstream_servers(request, false)
.instrument(span)
.await
} else {
Err(anyhow::anyhow!("transaction blocked by firewall"))
}
}
_ => Err(anyhow::anyhow!("invalid request")),
},
"eth_syncing" => {
// TODO: return a real response if all backends are syncing or if no servers in sync
let partial_response = json!(false);

4
web3-proxy/src/connection.rs
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@ -1,7 +1,7 @@
///! Rate-limited communication with a web3 provider
use anyhow::Context;
use derive_more::From;
use ethers::prelude::{Block, Bytes, Middleware, ProviderError, TxHash, U256};
use ethers::prelude::{Block, Bytes, Middleware, ProviderError, TxHash};
use futures::future::try_join_all;
use futures::StreamExt;
use redis_cell_client::RedisCellClient;
@ -14,7 +14,7 @@ use std::{cmp::Ordering, sync::Arc};
use tokio::sync::broadcast;
use tokio::sync::RwLock;
use tokio::time::{interval, sleep, Duration, MissedTickBehavior};
use tracing::{debug, error, info, instrument, trace, warn};
use tracing::{error, info, instrument, trace, warn};
use crate::app::{flatten_handle, AnyhowJoinHandle};