fix: move parsing back to network thread

Author: Ludo Galabru

Cargo.lock

@@ -35,7 +35,7 @@ tar = "0.4.38"
 flume = "0.10.14"
 ansi_term = "0.12.1"
 atty = "0.2.14"
-crossbeam-channel = "0.5.6"
+crossbeam-channel = "0.5.8"
 uuid = { version = "1.3.0", features = ["v4", "fast-rng"] }
 threadpool = "1.8.1"
 

components/chainhook-cli/Cargo.toml

@@ -14,7 +14,7 @@ use threadpool::ThreadPool;
 
 use crate::{
     indexer::bitcoin::{
-        download_block_with_retry, parse_downloaded_block, retrieve_block_hash_with_retry,
+        download_block_with_retry, retrieve_block_hash_with_retry,
         standardize_bitcoin_block, BitcoinBlockFullBreakdown,
     },
     observer::BitcoinConfig,
@@ -786,7 +786,7 @@ pub async fn fetch_and_cache_blocks_in_hord_db(
                     let future =
                         download_block_with_retry(&block_hash, &moved_bitcoin_config, &moved_ctx);
                     let block_data = hiro_system_kit::nestable_block_on(future).unwrap();
-                    let _ = block_data_tx.send(Some(block_data));
+                    let _ = block_data_tx.send(Some((block_height, block_hash, block_data)));
                 });
             }
             let res = retrieve_block_data_pool.join();
@@ -796,10 +796,9 @@ pub async fn fetch_and_cache_blocks_in_hord_db(
 
     let _ = hiro_system_kit::thread_named("Block data compression")
         .spawn(move || {
-            while let Ok(Some(downloaded_block)) = block_data_rx.recv() {
+            while let Ok(Some((_, _, block_data))) = block_data_rx.recv() {
                 let block_compressed_tx_moved = block_compressed_tx.clone();
                 compress_block_data_pool.execute(move || {
-                    let block_data = parse_downloaded_block(downloaded_block).unwrap();
                     let compressed_block = CompactedBlock::from_full_block(&block_data);
                     let block_index = block_data.height as u32;
                     let _ = block_compressed_tx_moved.send(Some((

components/chainhook-event-observer/src/hord/db/mod.rs

@@ -174,11 +174,21 @@ pub async fn download_block_with_retry(
     block_hash: &str,
     bitcoin_config: &BitcoinConfig,
     ctx: &Context,
-) -> Result<Vec<u8>, String> {
+) -> Result<BitcoinBlockFullBreakdown, String> {
     let mut errors_count = 0;
     let block = loop {
         match download_block(block_hash, bitcoin_config, ctx).await {
-            Ok(result) => break result,
+            Ok(result) => match parse_downloaded_block(result) {
+                Ok(result) => break result,
+                Err(e) => {
+                    errors_count += 1;
+                    error!(
+                        "unable to retrieve block #{block_hash} (attempt #{errors_count}): {}",
+                        e.to_string()
+                    );
+                    std::thread::sleep(std::time::Duration::from_millis(500));
+                }
+            },
             Err(e) => {
                 errors_count += 1;
                 error!(