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feat: dispatcher #668

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feat: dispatcher #668

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2af1f93
feat: dispatcher module
usagi32 Oct 25, 2024
0b974c3
feat: dispatcher reference implementation
usagi32 Oct 25, 2024
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12 changes: 9 additions & 3 deletions components/chainhook-cli/src/scan/bitcoin.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ use chainhook_sdk::chainhooks::bitcoin::{
BitcoinChainhookOccurrence, BitcoinTriggerChainhook,
};
use chainhook_sdk::chainhooks::bitcoin::BitcoinChainhookInstance;
use chainhook_sdk::dispatcher::{ChainhookOccurrencePayload, Dispatcher};
use chainhook_sdk::indexer;
use chainhook_sdk::indexer::bitcoin::{
build_http_client, download_and_parse_block_with_retry, retrieve_block_hash_with_retry,
Expand All @@ -29,6 +30,7 @@ use super::common::PredicateScanResult;
pub async fn scan_bitcoin_chainstate_via_rpc_using_predicate(
predicate_spec: &BitcoinChainhookInstance,
unfinished_scan_data: Option<ScanningData>,
dispatcher: Dispatcher<ChainhookOccurrencePayload>,
config: &Config,
kill_signal: Option<Arc<RwLock<bool>>>,
ctx: &Context,
Expand Down Expand Up @@ -188,6 +190,7 @@ pub async fn scan_bitcoin_chainstate_via_rpc_using_predicate(
block,
&vec![&predicate_spec],
&event_observer_config,
&dispatcher,
ctx,
)
.await
Expand Down Expand Up @@ -264,6 +267,7 @@ pub async fn process_block_with_predicates(
block: BitcoinBlockData,
predicates: &Vec<&BitcoinChainhookInstance>,
event_observer_config: &EventObserverConfig,
dispatcher: &Dispatcher<ChainhookOccurrencePayload>,
ctx: &Context,
) -> Result<u32, String> {
let chain_event =
Expand All @@ -275,11 +279,12 @@ pub async fn process_block_with_predicates(
let (predicates_triggered, _predicates_evaluated, _predicates_expired) =
evaluate_bitcoin_chainhooks_on_chain_event(&chain_event, predicates, ctx);

execute_predicates_action(predicates_triggered, event_observer_config, ctx).await
execute_predicates_action(predicates_triggered, dispatcher, event_observer_config, ctx).await
}

pub async fn execute_predicates_action<'a>(
hits: Vec<BitcoinTriggerChainhook<'a>>,
dispatcher: &Dispatcher<ChainhookOccurrencePayload>,
config: &EventObserverConfig,
ctx: &Context,
) -> Result<u32, String> {
Expand All @@ -300,8 +305,9 @@ pub async fn execute_predicates_action<'a>(
Ok(action) => {
actions_triggered += 1;
match action {
BitcoinChainhookOccurrence::Http(request, _) => {
send_request(request, 10, 3, ctx).await?
BitcoinChainhookOccurrence::Http(request, data) => {
dispatcher.send(request, ChainhookOccurrencePayload::Bitcoin(data));
//send_request(request, 10, 3, ctx).await?
}
BitcoinChainhookOccurrence::File(path, bytes) => {
file_append(path, bytes, ctx)?
Expand Down
9 changes: 6 additions & 3 deletions components/chainhook-cli/src/scan/stacks.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ use crate::{
open_readonly_stacks_db_conn_with_retry, open_readwrite_stacks_db_conn,
},
};
use chainhook_sdk::types::{BlockIdentifier, Chain};
use chainhook_sdk::{dispatcher::{ChainhookOccurrencePayload, Dispatcher}, types::{BlockIdentifier, Chain}};
use chainhook_sdk::{
chainhooks::stacks::evaluate_stacks_chainhook_on_blocks,
indexer::{self, stacks::standardize_stacks_serialized_block_header, Indexer},
Expand Down Expand Up @@ -181,6 +181,7 @@ pub async fn scan_stacks_chainstate_via_rocksdb_using_predicate(
predicate_spec: &StacksChainhookInstance,
unfinished_scan_data: Option<ScanningData>,
stacks_db_conn: &DB,
dispatcher: Dispatcher<ChainhookOccurrencePayload>,
config: &Config,
kill_signal: Option<Arc<RwLock<bool>>>,
ctx: &Context,
Expand Down Expand Up @@ -357,8 +358,10 @@ pub async fn scan_stacks_chainstate_via_rocksdb_using_predicate(
number_of_times_triggered += 1;
loop_did_trigger = true;
let res = match action {
StacksChainhookOccurrence::Http(request, _) => {
send_request(request, 3, 1, ctx).await
StacksChainhookOccurrence::Http(request, data) => {
dispatcher.send(request, ChainhookOccurrencePayload::Stacks(data));
Ok(())
//send_request(request, 3, 1, ctx).await
}
StacksChainhookOccurrence::File(path, bytes) => file_append(path, bytes, ctx),
StacksChainhookOccurrence::Data(_payload) => Ok(()),
Expand Down
3 changes: 3 additions & 0 deletions components/chainhook-cli/src/service/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -176,6 +176,7 @@ impl Service {
&config,
stacks_scan_op_rx,
observer_command_tx_moved.clone(),
None,
&ctx,
);
// the scan runloop should loop forever; if it finishes, something is wrong
Expand All @@ -195,6 +196,7 @@ impl Service {
&config,
bitcoin_scan_op_rx,
observer_command_tx_moved.clone(),
None,
&ctx,
);
// the scan runloop should loop forever; if it finishes, something is wrong
Expand Down Expand Up @@ -284,6 +286,7 @@ impl Service {
observer_command_rx,
Some(observer_event_tx_moved),
None,
None,
Some(stacks_startup_context),
self.ctx.clone(),
);
Expand Down
32 changes: 29 additions & 3 deletions components/chainhook-cli/src/service/runloops.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,9 +7,7 @@ use chainhook_sdk::{
chainhooks::{
bitcoin::BitcoinChainhookInstance, stacks::StacksChainhookInstance,
types::ChainhookInstance,
},
observer::ObserverCommand,
utils::Context,
}, dispatcher::{ChainhookOccurrencePayload, Dispatcher}, observer::ObserverCommand, utils::Context
};
use threadpool::ThreadPool;

Expand Down Expand Up @@ -37,11 +35,21 @@ pub fn start_stacks_scan_runloop(
config: &Config,
stacks_scan_op_rx: crossbeam_channel::Receiver<StacksScanOp>,
observer_command_tx: Sender<ObserverCommand>,
dispatcher: Option<Dispatcher<ChainhookOccurrencePayload>>,
ctx: &Context,
) {
let stacks_scan_pool = ThreadPool::new(config.limits.max_number_of_concurrent_stacks_scans);
let mut kill_signals = HashMap::new();

let mut dispatcher = match dispatcher {
Some(instance) => instance,
None => {
let mut dispatcher = Dispatcher::new_single_threaded(ctx);
dispatcher.start();
dispatcher
},
};

while let Ok(op) = stacks_scan_op_rx.recv() {
match op {
StacksScanOp::StartScan {
Expand All @@ -51,6 +59,7 @@ pub fn start_stacks_scan_runloop(
let moved_ctx = ctx.clone();
let moved_config = config.clone();
let observer_command_tx = observer_command_tx.clone();
let moved_dispatcher = dispatcher.clone();
let kill_signal = Arc::new(RwLock::new(false));
kill_signals.insert(predicate_spec.uuid.clone(), kill_signal.clone());
stacks_scan_pool.execute(move || {
Expand All @@ -76,6 +85,7 @@ pub fn start_stacks_scan_runloop(
&predicate_spec,
unfinished_scan_data,
&stacks_db_conn,
moved_dispatcher,
&moved_config,
Some(kill_signal),
&moved_ctx,
Expand Down Expand Up @@ -125,6 +135,8 @@ pub fn start_stacks_scan_runloop(
}
}
stacks_scan_pool.join();

dispatcher.graceful_shutdown();
}

pub enum BitcoinScanOp {
Expand All @@ -139,11 +151,21 @@ pub fn start_bitcoin_scan_runloop(
config: &Config,
bitcoin_scan_op_rx: crossbeam_channel::Receiver<BitcoinScanOp>,
observer_command_tx: Sender<ObserverCommand>,
dispatcher: Option<Dispatcher<ChainhookOccurrencePayload>>,
ctx: &Context,
) {
let bitcoin_scan_pool = ThreadPool::new(config.limits.max_number_of_concurrent_bitcoin_scans);
let mut kill_signals = HashMap::new();

let mut dispatcher = match dispatcher {
Some(instance) => instance,
None => {
let mut dispatcher = Dispatcher::new_single_threaded(ctx);
dispatcher.start();
dispatcher
},
};

while let Ok(op) = bitcoin_scan_op_rx.recv() {
match op {
BitcoinScanOp::StartScan {
Expand All @@ -155,11 +177,13 @@ pub fn start_bitcoin_scan_runloop(
let observer_command_tx = observer_command_tx.clone();
let kill_signal = Arc::new(RwLock::new(false));
kill_signals.insert(predicate_spec.uuid.clone(), kill_signal.clone());
let moved_dispatcher = dispatcher.clone();

bitcoin_scan_pool.execute(move || {
let op = scan_bitcoin_chainstate_via_rpc_using_predicate(
&predicate_spec,
unfinished_scan_data,
moved_dispatcher,
&moved_config,
Some(kill_signal),
&moved_ctx,
Expand Down Expand Up @@ -209,4 +233,6 @@ pub fn start_bitcoin_scan_runloop(
}
}
bitcoin_scan_pool.join();

dispatcher.graceful_shutdown();
}
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