Adding configuration to make number of accounts fetched by gma (#8)

bin/autobahn-router/examples/grpc_source_tester.rs

@@ -29,6 +29,7 @@ pub async fn main() {
         grpc_sources: Some(vec![]),
         dedup_queue_size: 0,
         request_timeout_in_seconds: None,
+        number_of_accounts_per_gma: None,
     };
 
     // Raydium

bin/autobahn-router/src/main.rs

@@ -125,6 +125,7 @@ async fn main() -> anyhow::Result<()> {
         .unwrap_or_else(|| panic!("did not find a source config for region {}", region));
 
     let rpc = build_rpc(&source_config);
+    let number_of_accounts_per_gma = source_config.number_of_accounts_per_gma.unwrap_or(100);
 
     // handle sigint
     let exit_flag: Arc<atomic::AtomicBool> = Arc::new(atomic::AtomicBool::new(false));
@@ -313,7 +314,12 @@ async fn main() -> anyhow::Result<()> {
     info!("Using {} mints", mints.len(),);
 
     let token_cache = {
-        let mint_metadata = request_mint_metadata(&source_config.rpc_http_url, &mints).await;
+        let mint_metadata = request_mint_metadata(
+            &source_config.rpc_http_url,
+            &mints,
+            number_of_accounts_per_gma,
+        )
+        .await;
         let mut data: HashMap<Pubkey, token_cache::Decimals> = HashMap::new();
         for (mint_pubkey, Token { mint, decimals }) in mint_metadata {
             assert_eq!(mint_pubkey, mint);

bin/autobahn-router/src/source/grpc_plugin_source.rs

@@ -43,7 +43,6 @@ use yellowstone_grpc_proto::geyser::{
 use yellowstone_grpc_proto::tonic::codec::CompressionEncoding;
 
 const MAX_GRPC_ACCOUNT_SUBSCRIPTIONS: usize = 100;
-const MAX_GMA_ACCOUNTS: usize = 100;
 
 // limit number of concurrent gMA/gPA requests
 const MAX_PARALLEL_HEAVY_RPC_REQUESTS: usize = 4;
@@ -72,6 +71,7 @@ pub async fn feed_data_geyser(
     sender: async_channel::Sender<SourceMessage>,
 ) -> anyhow::Result<()> {
     let use_compression = snapshot_config.rpc_support_compression.unwrap_or(false);
+    let number_of_accounts_per_gma = snapshot_config.number_of_accounts_per_gma.unwrap_or(100);
     let grpc_connection_string = match &grpc_config.connection_string.chars().next().unwrap() {
         '$' => env::var(&grpc_config.connection_string[1..])
             .expect("reading connection string from env"),
@@ -336,7 +336,7 @@ pub async fn feed_data_geyser(
                                 let permits_parallel_rpc_requests = Arc::new(Semaphore::new(MAX_PARALLEL_HEAVY_RPC_REQUESTS));
 
                                 info!("Requesting snapshot from gMA for {} filter accounts", accounts_filter.len());
-                                for pubkey_chunk in accounts_filter.iter().chunks(MAX_GMA_ACCOUNTS).into_iter() {
+                                for pubkey_chunk in accounts_filter.iter().chunks(number_of_accounts_per_gma).into_iter() {
                                     let rpc_http_url = snapshot_rpc_http_url.clone();
                                     let account_ids = pubkey_chunk.cloned().collect_vec();
                                     let sender = snapshot_gma_sender.clone();

bin/autobahn-router/src/source/mint_accounts_source.rs

@@ -16,7 +16,6 @@ use std::time::Instant;
 use tokio::sync::Semaphore;
 use tracing::{info, trace};
 
-const MAX_GMA_ACCOUNTS: usize = 100;
 // 4: 388028 mints -> 61 sec
 // 16: 388028 mints -> 35 sec
 const MAX_PARALLEL_HEAVY_RPC_REQUESTS: usize = 16;
@@ -30,6 +29,7 @@ pub struct Token {
 pub async fn request_mint_metadata(
     rpc_http_url: &str,
     mint_account_ids: &HashSet<Pubkey>,
+    max_gma_accounts: usize,
 ) -> HashMap<Pubkey, Token> {
     info!(
         "Requesting data for mint accounts via chunked gMA for {} pubkey ..",
@@ -51,7 +51,7 @@ pub async fn request_mint_metadata(
 
     let mut threads = Vec::new();
     let count = Arc::new(AtomicU64::new(0));
-    for pubkey_chunk in mint_account_ids.iter().chunks(MAX_GMA_ACCOUNTS).into_iter() {
+    for pubkey_chunk in mint_account_ids.iter().chunks(max_gma_accounts).into_iter() {
         let pubkey_chunk = pubkey_chunk.into_iter().cloned().collect_vec();
         let count = count.clone();
         let rpc_client = rpc_client.clone();

bin/autobahn-router/src/source/quic_plugin_source.rs

@@ -26,8 +26,6 @@ use router_feed_lib::get_program_account::{
 use solana_program::clock::Slot;
 use tokio::sync::Semaphore;
 
-const MAX_GMA_ACCOUNTS: usize = 100;
-
 // limit number of concurrent gMA/gPA requests
 const MAX_PARALLEL_HEAVY_RPC_REQUESTS: usize = 4;
 
@@ -46,6 +44,7 @@ pub async fn feed_data_geyser(
     sender: async_channel::Sender<SourceMessage>,
 ) -> anyhow::Result<()> {
     let use_compression = snapshot_config.rpc_support_compression.unwrap_or(false);
+    let number_of_accounts_per_gma = snapshot_config.number_of_accounts_per_gma.unwrap_or(100);
 
     let snapshot_rpc_http_url = match &snapshot_config.rpc_http_url.chars().next().unwrap() {
         '$' => env::var(&snapshot_config.rpc_http_url[1..])
@@ -194,7 +193,7 @@ pub async fn feed_data_geyser(
                                 let permits_parallel_rpc_requests = Arc::new(Semaphore::new(MAX_PARALLEL_HEAVY_RPC_REQUESTS));
 
                                 info!("Requesting snapshot from gMA for {} filter accounts", subscribed_accounts.len());
-                                for pubkey_chunk in subscribed_accounts.iter().chunks(MAX_GMA_ACCOUNTS).into_iter() {
+                                for pubkey_chunk in subscribed_accounts.iter().chunks(number_of_accounts_per_gma).into_iter() {
                                     let rpc_http_url = snapshot_rpc_http_url.clone();
                                     let account_ids = pubkey_chunk.map(|x| *x).collect_vec();
                                     let sender = snapshot_gma_sender.clone();

lib/router-config-lib/src/lib.rs

@@ -96,6 +96,7 @@ pub struct AccountDataSourceConfig {
     pub grpc_sources: Option<Vec<GrpcSourceConfig>>,
     pub dedup_queue_size: usize,
     pub request_timeout_in_seconds: Option<u64>,
+    pub number_of_accounts_per_gma: Option<usize>,
 }
 
 #[derive(Clone, Debug, serde_derive::Deserialize)]