graph: Add get_block_number_with_retry method for firehose endpoint

Author: incrypto32

chain/ethereum/src/chain.rs

@@ -1018,10 +1018,12 @@ impl TriggersAdapterTrait<Chain> for TriggersAdapter {
             ChainClient::Firehose(endpoints) => {
                 let endpoint = endpoints.endpoint().await?;
                 let block = endpoint
-                    .get_block_by_number::<codec::Block>(ptr.number as u64, &self.logger)
+                    .get_block_by_number_with_retry::<codec::Block>(ptr.number as u64, &self.logger)
                     .await
-                    .map_err(|e| anyhow!("Failed to fetch block from firehose: {}", e))?;
-
+                    .context(format!(
+                        "Failed to fetch block {} from firehose",
+                        ptr.number
+                    ))?;
                 Ok(block.hash() == ptr.hash)
             }
             ChainClient::Rpc(adapter) => {

graph/src/firehose/endpoints.rs

@@ -13,6 +13,7 @@ use crate::{
     prelude::{anyhow, debug, DeploymentHash},
     substreams_rpc,
 };
+use anyhow::Context;
 use async_trait::async_trait;
 use futures03::{StreamExt, TryStreamExt};
 use http::uri::{Scheme, Uri};
@@ -443,11 +444,43 @@ impl FirehoseEndpoint {
         }
     }
 
-    pub async fn get_block_by_number<M>(
-        &self,
-        number: u64,
+    pub async fn get_block_by_ptr_with_retry<M>(
+        self: Arc<Self>,
+        ptr: &BlockPtr,
         logger: &Logger,
     ) -> Result<M, anyhow::Error>
+    where
+        M: prost::Message + BlockchainBlock + Default + 'static,
+    {
+        let retry_log_message = format!("get_block_by_ptr for block {}", ptr);
+        let endpoint = self.cheap_clone();
+        let logger = logger.cheap_clone();
+        let ptr_for_retry = ptr.clone();
+
+        retry(retry_log_message, &logger)
+            .limit(ENV_VARS.firehose_block_fetch_retry_limit)
+            .timeout_secs(ENV_VARS.firehose_block_fetch_timeout)
+            .run(move || {
+                let endpoint = endpoint.cheap_clone();
+                let logger = logger.cheap_clone();
+                let ptr = ptr_for_retry.clone();
+                async move {
+                    endpoint
+                        .get_block_by_ptr::<M>(&ptr, &logger)
+                        .await
+                        .context(format!(
+                            "Failed to fetch block by ptr {} from firehose",
+                            ptr
+                        ))
+                }
+            })
+            .await
+            .map_err(move |e| {
+                anyhow::anyhow!("Failed to fetch block by ptr {} from firehose: {}", ptr, e)
+            })
+    }
+
+    async fn get_block_by_number<M>(&self, number: u64, logger: &Logger) -> Result<M, anyhow::Error>
     where
         M: prost::Message + BlockchainBlock + Default + 'static,
     {
@@ -473,6 +506,44 @@ impl FirehoseEndpoint {
         }
     }
 
+    pub async fn get_block_by_number_with_retry<M>(
+        self: Arc<Self>,
+        number: u64,
+        logger: &Logger,
+    ) -> Result<M, anyhow::Error>
+    where
+        M: prost::Message + BlockchainBlock + Default + 'static,
+    {
+        let retry_log_message = format!("get_block_by_number for block {}", number);
+        let endpoint = self.cheap_clone();
+        let logger = logger.cheap_clone();
+
+        retry(retry_log_message, &logger)
+            .limit(ENV_VARS.firehose_block_fetch_retry_limit)
+            .timeout_secs(ENV_VARS.firehose_block_fetch_timeout)
+            .run(move || {
+                let endpoint = endpoint.cheap_clone();
+                let logger = logger.cheap_clone();
+                async move {
+                    endpoint
+                        .get_block_by_number::<M>(number, &logger)
+                        .await
+                        .context(format!(
+                            "Failed to fetch block by number {} from firehose",
+                            number
+                        ))
+                }
+            })
+            .await
+            .map_err(|e| {
+                anyhow::anyhow!(
+                    "Failed to fetch block by number {} from firehose: {}",
+                    number,
+                    e
+                )
+            })
+    }
+
     pub async fn load_blocks_by_numbers<M>(
         self: Arc<Self>,
         numbers: Vec<u64>,
@@ -488,16 +559,7 @@ impl FirehoseEndpoint {
             .map(move |number| {
                 let e = self.cheap_clone();
                 let l = logger.clone();
-                let retry_log_message = format!("get_block_by_number for block {}", number);
-
-                retry(retry_log_message, &l)
-                    .limit(ENV_VARS.firehose_block_fetch_retry_limit)
-                    .timeout_secs(ENV_VARS.firehose_block_fetch_timeout)
-                    .run(move || {
-                        let e = e.cheap_clone();
-                        let l = l.clone();
-                        async move { e.get_block_by_number::<M>(number, &l).await }
-                    })
+                async move { e.get_block_by_number_with_retry::<M>(number, &l).await }
             })
             .buffered(ENV_VARS.firehose_block_batch_size);