tornadocontrib/ web3-proxy
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This commit is contained in:
Bryan Stitt 2022-09-22 22:34:43 +00:00
parent 987ed181cd
commit 7f7be6aa69
2 changed files with 39 additions and 28 deletions
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12
web3_proxy/src/frontend/authorization.rs
View File

@ -61,6 +61,18 @@ pub enum AuthorizedRequest {
User(#[serde(skip)] Option<DatabaseConnection>, AuthorizedKey),
}
impl AuthorizedRequest {
pub fn has_db(&self) -> bool {
let db_conn = match self {
Self::Internal(db_conn) => db_conn,
Self::Ip(db_conn, _) => db_conn,
Self::User(db_conn, _) => db_conn,
};
db_conn.is_some()
}
}
pub async fn ip_is_authorized(
app: &Web3ProxyApp,
ip: IpAddr,

55
web3_proxy/src/rpcs/request.rs
View File

@ -34,6 +34,7 @@ pub struct OpenRequestHandle {
used: AtomicBool,
}
/// Depending on the context, RPC errors can require different handling.
pub enum RequestErrorHandler {
/// Contains the percent chance to save the revert
SaveReverts(f32),
@ -57,6 +58,7 @@ impl From<Level> for RequestErrorHandler {
}
impl AuthorizedRequest {
/// Save a RPC call that return "execution reverted" to the database.
async fn save_revert<T>(self: Arc<Self>, method: String, params: T) -> anyhow::Result<()>
where
T: Clone + fmt::Debug + serde::Serialize + Send + Sync + 'static,
@ -95,6 +97,7 @@ impl OpenRequestHandle {
}
}
#[inline]
pub fn clone_connection(&self) -> Arc<Web3Connection> {
self.conn.clone()
}
@ -164,48 +167,44 @@ impl OpenRequestHandle {
// TODO: only set SaveReverts if this is an eth_call or eth_estimateGas? we'll need eth_sendRawTransaction somewhere else
// TODO: logging every one is going to flood the database
// TODO: have a percent chance to do this. or maybe a "logged reverts per second"
if save_chance == 1.0 || rand::thread_rng().gen_range(0.0..=1.0) <= save_chance
if self.authorization.has_db()
&& (save_chance == 1.0
|| rand::thread_rng().gen_range(0.0..=1.0) <= save_chance)
{
if let ProviderError::JsonRpcClientError(err) = err {
match provider {
let msg = match provider {
Web3Provider::Http(_) => {
if let Some(HttpClientError::JsonRpcError(err)) =
err.downcast_ref::<HttpClientError>()
{
if err.message.starts_with("execution reverted") {
debug!(%method, ?params, "TODO: save the request");
let f = self
.authorization
.clone()
.save_revert(method.to_string(), params.clone());
tokio::spawn(async move { f.await });
// TODO: don't do this on the hot path. spawn it
} else {
debug!(?err, %method, rpc=%self.conn, "bad response!");
}
Some(&err.message)
} else {
None
}
}
Web3Provider::Ws(_) => {
if let Some(WsClientError::JsonRpcError(err)) =
err.downcast_ref::<WsClientError>()
{
if err.message.starts_with("execution reverted") {
debug!(%method, ?params, "TODO: save the request");
let f = self
.authorization
.clone()
.save_revert(method.to_string(), params.clone());
tokio::spawn(async move { f.await });
} else {
debug!(?err, %method, rpc=%self.conn, "bad response!");
}
Some(&err.message)
} else {
None
}
}
};
if let Some(msg) = msg {
if msg.starts_with("execution reverted") {
// spawn saving to the database so we don't slow down the request (or error if no db)
let f = self
.authorization
.clone()
.save_revert(method.to_string(), params.clone());
tokio::spawn(async move { f.await });
} else {
debug!(?err, %method, rpc=%self.conn, "bad response!");
}
}
}
}