tornadocontrib/web3-proxy
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automatic subscription id

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This commit is contained in:
Bryan Stitt 2022-05-30 18:51:19 +00:00
parent 2c478e8b61
commit 45fd1b2ff1
1 changed files with 8 additions and 2 deletions
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10
web3-proxy/src/app.rs
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@ -15,6 +15,7 @@ use parking_lot::RwLock;
use serde_json::json;
use serde_json::value::RawValue;
use std::fmt;
use std::sync::atomic::{self, AtomicUsize};
use std::sync::Arc;
use std::time::Duration;
use tokio::sync::watch;
@ -52,6 +53,7 @@ pub struct Web3ProxyApp {
response_cache: ResponseLrcCache,
// don't drop this or the sender will stop working
head_block_receiver: watch::Receiver<Block<TxHash>>,
next_subscription_id: AtomicUsize,
}
impl fmt::Debug for Web3ProxyApp {
@ -133,6 +135,7 @@ impl Web3ProxyApp {
incoming_requests: Default::default(),
response_cache: Default::default(),
head_block_receiver,
next_subscription_id: 1.into(),
})
}
@ -145,8 +148,11 @@ impl Web3ProxyApp {
) -> anyhow::Result<(AbortHandle, JsonRpcForwardedResponse)> {
let (subscription_handle, subscription_registration) = AbortHandle::new_pair();
// TODO: generate subscription_id as needed. atomic u16?
let subscription_id = "0xcd0c3e8af590364c09d0fa6a1210faf5".to_string();
let subscription_id = self
.next_subscription_id
.fetch_add(1, atomic::Ordering::SeqCst);
let subscription_id = format!("{:#x}", subscription_id);
let f = {
let head_block_receiver = self.head_block_receiver.clone();