test: fix reorg threshold

Author: Zoran Cvetkov

chain/ethereum/src/chain.rs

@@ -614,7 +614,7 @@ impl Blockchain for Chain {
                 // present in the DB.
                 Box::new(PollingBlockIngestor::new(
                     logger,
-                    graph::env::ENV_VARS.reorg_threshold,
+                    graph::env::ENV_VARS.reorg_threshold(),
                     self.chain_client(),
                     self.chain_store().cheap_clone(),
                     self.polling_ingestor_interval,

graph/src/data/subgraph/mod.rs

@@ -504,9 +504,9 @@ impl Graft {
             // The graft point must be at least `reorg_threshold` blocks
             // behind the subgraph head so that a reorg can not affect the
             // data that we copy for grafting
-            (Some(ptr), true) if self.block + ENV_VARS.reorg_threshold > ptr.number => Err(GraftBaseInvalid(format!(
+            (Some(ptr), true) if self.block + ENV_VARS.reorg_threshold() > ptr.number => Err(GraftBaseInvalid(format!(
                 "failed to graft onto `{}` at block {} since it's only at block {} which is within the reorg threshold of {} blocks",
-                self.base, self.block, ptr.number, ENV_VARS.reorg_threshold
+                self.base, self.block, ptr.number, ENV_VARS.reorg_threshold()
             ))),
             // If the base deployment is failed *and* the `graft.block` is not
             // less than the `base.block`, the graft shouldn't be permitted.

graph/src/env/mod.rs

@@ -5,6 +5,7 @@ mod store;
 use envconfig::Envconfig;
 use lazy_static::lazy_static;
 use semver::Version;
+use std::sync::Mutex;
 use std::{collections::HashSet, env::VarError, fmt, str::FromStr, time::Duration};
 
 use self::graphql::*;
@@ -17,6 +18,7 @@ use crate::{
 
 lazy_static! {
     pub static ref ENV_VARS: EnvVars = EnvVars::from_env().unwrap();
+    pub static ref TEST_WITH_NO_REORG: Mutex<bool> = Mutex::new(false);
 }
 
 /// Panics if:
@@ -181,7 +183,7 @@ pub struct EnvVars {
     pub static_filters_threshold: usize,
     /// Set by the environment variable `ETHEREUM_REORG_THRESHOLD`. The default
     /// value is 250 blocks.
-    pub reorg_threshold: BlockNumber,
+    reorg_threshold: BlockNumber,
     /// The time to wait between polls when using polling block ingestor.
     /// The value is set by `ETHERUM_POLLING_INTERVAL` in millis and the
     /// default is 1000.
@@ -259,16 +261,6 @@ impl EnvVars {
         let mapping_handlers = InnerMappingHandlers::init_from_env()?.into();
         let store = InnerStore::init_from_env()?.try_into()?;
 
-        // The default reorganization (reorg) threshold is set to 250.
-        // For testing purposes, we need to set this threshold to 0 because:
-        // 1. Many tests involve reverting blocks.
-        // 2. Blocks cannot be reverted below the reorg threshold.
-        // Therefore, during tests, we want to set the reorg threshold to 0.
-        let reorg_threshold =
-            inner
-                .reorg_threshold
-                .unwrap_or_else(|| if cfg!(debug_assertions) { 0 } else { 250 });
-
         Ok(Self {
             graphql,
             mappings: mapping_handlers,
@@ -322,13 +314,15 @@ impl EnvVars {
             external_http_base_url: inner.external_http_base_url,
             external_ws_base_url: inner.external_ws_base_url,
             static_filters_threshold: inner.static_filters_threshold,
-            reorg_threshold,
+            reorg_threshold: inner.reorg_threshold,
             ingestor_polling_interval: Duration::from_millis(inner.ingestor_polling_interval),
             subgraph_settings: inner.subgraph_settings,
             prefer_substreams_block_streams: inner.prefer_substreams_block_streams,
             enable_dips_metrics: inner.enable_dips_metrics.0,
             history_blocks_override: inner.history_blocks_override,
-            min_history_blocks: inner.min_history_blocks.unwrap_or(2 * reorg_threshold),
+            min_history_blocks: inner
+                .min_history_blocks
+                .unwrap_or(2 * inner.reorg_threshold),
             dips_metrics_object_store_url: inner.dips_metrics_object_store_url,
             section_map: inner.section_map,
             firehose_grpc_max_decode_size_mb: inner.firehose_grpc_max_decode_size_mb,
@@ -375,6 +369,18 @@ impl EnvVars {
             .filter(|x| !x.is_empty())
             .collect()
     }
+    pub fn reorg_threshold(&self) -> i32 {
+        // The default reorganization (reorg) threshold is set to 250.
+        // For testing purposes, we need to set this threshold to 0 because:
+        // 1. Many tests involve reverting blocks.
+        // 2. Blocks cannot be reverted below the reorg threshold.
+        // Therefore, during tests, we want to set the reorg threshold to 0.
+        if *TEST_WITH_NO_REORG.lock().unwrap() {
+            0
+        } else {
+            self.reorg_threshold
+        }
+    }
 }
 
 impl Default for EnvVars {
@@ -473,8 +479,8 @@ struct Inner {
     #[envconfig(from = "GRAPH_STATIC_FILTERS_THRESHOLD", default = "10000")]
     static_filters_threshold: usize,
     // JSON-RPC specific.
-    #[envconfig(from = "ETHEREUM_REORG_THRESHOLD")]
-    reorg_threshold: Option<BlockNumber>,
+    #[envconfig(from = "ETHEREUM_REORG_THRESHOLD", default = "250")]
+    reorg_threshold: BlockNumber,
     #[envconfig(from = "ETHEREUM_POLLING_INTERVAL", default = "1000")]
     ingestor_polling_interval: u64,
     #[envconfig(from = "GRAPH_EXPERIMENTAL_SUBGRAPH_SETTINGS")]

node/src/chain.rs

@@ -460,7 +460,7 @@ pub async fn networks_as_chains(
                     Arc::new(adapter_selector),
                     Arc::new(EthereumRuntimeAdapterBuilder {}),
                     eth_adapters,
-                    ENV_VARS.reorg_threshold,
+                    ENV_VARS.reorg_threshold(),
                     polling_interval,
                     true,
                 );

node/src/manager/commands/prune.rs

@@ -188,13 +188,13 @@ pub async fn run(
 
     println!("prune {deployment}");
     println!("    latest: {latest}");
-    println!("     final: {}", latest - ENV_VARS.reorg_threshold);
+    println!("     final: {}", latest - ENV_VARS.reorg_threshold());
     println!("  earliest: {}\n", latest - history);
 
     let mut req = PruneRequest::new(
         &deployment,
         history,
-        ENV_VARS.reorg_threshold,
+        ENV_VARS.reorg_threshold(),
         status.earliest_block_number,
         latest,
     )?;
@@ -217,7 +217,7 @@ pub async fn run(
         store.subgraph_store().set_history_blocks(
             &deployment,
             history,
-            ENV_VARS.reorg_threshold,
+            ENV_VARS.reorg_threshold(),
         )?;
     }
 

node/src/manager/commands/rewind.rs

@@ -133,13 +133,13 @@ pub async fn run(
         let deployment_details = deployment_store.deployment_details_for_id(locator)?;
         let block_number_to = block_ptr_to.as_ref().map(|b| b.number).unwrap_or(0);
 
-        if block_number_to < deployment_details.earliest_block_number + ENV_VARS.reorg_threshold {
+        if block_number_to < deployment_details.earliest_block_number + ENV_VARS.reorg_threshold() {
             bail!(
                 "The block number {} is not safe to rewind to for deployment {}. The earliest block number of this deployment is {}. You can only safely rewind to block number {}",
                 block_ptr_to.as_ref().map(|b| b.number).unwrap_or(0),
                 locator,
                 deployment_details.earliest_block_number,
-                deployment_details.earliest_block_number + ENV_VARS.reorg_threshold
+                deployment_details.earliest_block_number + ENV_VARS.reorg_threshold()
             );
         }
     }

store/postgres/src/block_store.rs

@@ -503,7 +503,7 @@ impl BlockStore {
             };
 
             if let Some(head_block) = store.remove_cursor(&&store.chain)? {
-                let lower_bound = head_block.saturating_sub(ENV_VARS.reorg_threshold * 2);
+                let lower_bound = head_block.saturating_sub(ENV_VARS.reorg_threshold() * 2);
                 info!(&self.logger, "Removed cursor for non-firehose chain, now cleaning shallow blocks"; "network" => &store.chain, "lower_bound" => lower_bound);
                 store.cleanup_shallow_blocks(lower_bound)?;
             }

store/postgres/src/deployment.rs

@@ -546,10 +546,14 @@ pub fn revert_block_ptr(
     // Work around a Diesel issue with serializing BigDecimals to numeric
     let number = format!("{}::numeric", ptr.number);
 
+    // Intention is to revert to a block lower than the reorg threshold, on the other
+    // hand the earliest we can possibly go is genesys block, so go to genesys even
+    // if it's within the reorg threshold.
+    let earliest_block = i32::max(ptr.number - ENV_VARS.reorg_threshold(), 0);
     let affected_rows = update(
         d::table
             .filter(d::deployment.eq(id.as_str()))
-            .filter(d::earliest_block_number.le(ptr.number - ENV_VARS.reorg_threshold)),
+            .filter(d::earliest_block_number.le(earliest_block)),
     )
     .set((
         d::latest_ethereum_block_number.eq(sql(&number)),

store/postgres/src/deployment_store.rs

@@ -1261,7 +1261,7 @@ impl DeploymentStore {
             let req = PruneRequest::new(
                 &site.as_ref().into(),
                 history_blocks,
-                ENV_VARS.reorg_threshold,
+                ENV_VARS.reorg_threshold(),
                 earliest_block,
                 latest_block,
             )?;

tests/src/config.rs

@@ -175,7 +175,8 @@ impl Config {
             .stdout(stdout)
             .stderr(stderr)
             .args(args)
-            .env("GRAPH_STORE_WRITE_BATCH_DURATION", "5");
+            .env("GRAPH_STORE_WRITE_BATCH_DURATION", "5")
+            .env("ETHEREUM_REORG_THRESHOLD", "0");
 
         status!(
             "graph-node",