Remove outdated snapshot module

Author: foriequal0

codechain/run_node.rs

@@ -30,7 +30,7 @@ use ckeystore::KeyStore;
 use clap::ArgMatches;
 use clogger::{self, EmailAlarm, EmailAlarmConfig, LoggerConfig};
 use cnetwork::{Filters, NetworkConfig, NetworkControl, NetworkService, RoutingTable, SocketAddr};
-use csync::{BlockSyncExtension, BlockSyncSender, SnapshotService, TransactionSyncExtension};
+use csync::{BlockSyncExtension, BlockSyncSender, TransactionSyncExtension};
 use ctimer::TimerLoop;
 use ctrlc::CtrlC;
 use fdlimit::raise_fd_limit;
@@ -356,19 +356,6 @@ pub fn run_node(matches: &ArgMatches) -> Result<(), String> {
         stratum_start(&config.stratum_config(), &miner, client.client())?
     }
 
-    let _snapshot_service = {
-        if !config.snapshot.disable.unwrap() {
-            // FIXME: Let's make it load snapshot period dynamically to support changing the period.
-            let client = client.client();
-            let snapshot_period = client.common_params(BlockId::Latest).unwrap().snapshot_period();
-            let service = SnapshotService::new(Arc::clone(&client), config.snapshot.path.unwrap(), snapshot_period);
-            client.add_notify(Arc::downgrade(&service) as Weak<dyn ChainNotify>);
-            Some(service)
-        } else {
-            None
-        }
-    };
-
     // drop the scheme to free up genesis state.
     drop(scheme);
 

sync/src/lib.rs

@@ -47,11 +47,9 @@ extern crate trie_standardmap;
 extern crate util_error;
 
 mod block;
-mod snapshot;
 mod transaction;
 
 pub use crate::block::{BlockSyncEvent, BlockSyncExtension, BlockSyncSender};
-pub use crate::snapshot::SnapshotService;
 pub use crate::transaction::TransactionSyncExtension;
 
 #[cfg(test)]