reduce the price of memory

src/data.rs

@@ -98,7 +98,7 @@ impl Contract {
         // I tried, but this can be done better.
         // Storage cost should also be based on tier
         (self.vcpus as u64 * 10)
-            + ((self.memory_mb + 256) as u64 * 4 / 100)
+            + ((self.memory_mb + 256) as u64 / 200)
             + (self.disk_size_gb as u64 / 10)
             + (!self.public_ipv4.is_empty() as u64 * 10)
     }
@@ -191,9 +191,10 @@ impl BrainData {
             });
     }
 
-    pub fn contracts_cron(&self) {
+    pub async fn contracts_cron(&self) {
-        let mut deleted_contracts = Vec::new();
+        let mut deleted_contracts: Vec<(String, String)> = Vec::new();
         log::debug!("Running contracts cron...");
+        {
             let mut contracts = self.contracts.write().unwrap();
             contracts.retain_mut(|c| {
                 let owner_key = self
@@ -204,7 +205,8 @@ impl BrainData {
                 let minutes_to_collect = (Utc::now() - c.collected_at).num_minutes() as u64;
                 c.collected_at = Utc::now();
                 log::debug!("{minutes_to_collect}");
-            let mut nanotokens_to_collect = c.price_per_minute().saturating_mul(minutes_to_collect);
+                let mut nanotokens_to_collect =
+                    c.price_per_minute().saturating_mul(minutes_to_collect);
                 if nanotokens_to_collect > c.locked_nano {
                     nanotokens_to_collect = c.locked_nano;
                 }
@@ -219,6 +221,7 @@ impl BrainData {
                 }
                 c.locked_nano > 0
             });
+        }
         // inform daemons of the deletion of the contracts
         for (uuid, node_pubkey) in deleted_contracts.iter() {
             if let Some(daemon_tx) = self.daemon_tx.get(&node_pubkey.clone()) {
@@ -228,9 +231,7 @@ impl BrainData {
                     })),
                 };
                 let daemon_tx = daemon_tx.clone();
-                tokio::runtime::Runtime::new().unwrap().spawn(async move {
                 let _ = daemon_tx.send(msg).await;
-                });
             }
         }
     }

src/main.rs

@@ -19,7 +19,7 @@ async fn main() {
     tokio::spawn(async move {
         loop {
             tokio::time::sleep(tokio::time::Duration::from_secs(60)).await;
-            data_clone.contracts_cron();
+            data_clone.contracts_cron().await;
         }
     });
     let addr = "0.0.0.0:31337".parse().unwrap();