From dcc6b1ed6439f7204de59f96375bc6da6a9f6ef2 Mon Sep 17 00:00:00 2001
From: Hamish Peebles <hamishpeebles@gmail.com>
Date: Fri, 15 Mar 2024 10:03:05 +0000
Subject: [PATCH] Remove heartbeat which is no longer needed (#54)

---
 rs/canister/impl/src/lifecycle/heartbeat.rs |  7 -------
 rs/canister/impl/src/lifecycle/mod.rs       |  1 -
 rs/canister/impl/src/model/events.rs        |  4 ----
 rs/canister/impl/src/state.rs               | 13 -------------
 4 files changed, 25 deletions(-)
 delete mode 100644 rs/canister/impl/src/lifecycle/heartbeat.rs

diff --git a/rs/canister/impl/src/lifecycle/heartbeat.rs b/rs/canister/impl/src/lifecycle/heartbeat.rs
deleted file mode 100644
index 8311b34..0000000
--- a/rs/canister/impl/src/lifecycle/heartbeat.rs
+++ /dev/null
@@ -1,7 +0,0 @@
-use crate::state;
-use ic_cdk::heartbeat;
-
-#[heartbeat]
-fn heartbeat() {
-    state::mutate(|s| s.migrate_events(10000));
-}
diff --git a/rs/canister/impl/src/lifecycle/mod.rs b/rs/canister/impl/src/lifecycle/mod.rs
index c5f1281..dc39ebd 100644
--- a/rs/canister/impl/src/lifecycle/mod.rs
+++ b/rs/canister/impl/src/lifecycle/mod.rs
@@ -1,4 +1,3 @@
-mod heartbeat;
 mod init;
 mod post_upgrade;
 mod pre_upgrade;
diff --git a/rs/canister/impl/src/model/events.rs b/rs/canister/impl/src/model/events.rs
index 0c6555e..6f50776 100644
--- a/rs/canister/impl/src/model/events.rs
+++ b/rs/canister/impl/src/model/events.rs
@@ -34,10 +34,6 @@ impl Events {
         }
     }
 
-    pub fn len(&self) -> u64 {
-        self.events.len()
-    }
-
     fn convert_to_storable(&mut self, event: IdempotentEvent, index: u64) -> StorableEvent {
         StorableEvent {
             index,
diff --git a/rs/canister/impl/src/state.rs b/rs/canister/impl/src/state.rs
index 5c9ec1b..ed9f834 100644
--- a/rs/canister/impl/src/state.rs
+++ b/rs/canister/impl/src/state.rs
@@ -121,19 +121,6 @@ impl State {
         self.events.push(event);
     }
 
-    pub fn migrate_events(&mut self, count: u32) {
-        for event in self.events.get(self.events.len(), count as u64) {
-            self.events.push(IdempotentEvent {
-                idempotency_key: 0,
-                name: event.name,
-                timestamp: event.timestamp,
-                user: event.user,
-                source: event.source,
-                payload: event.payload,
-            });
-        }
-    }
-
     fn anonymize(&self, value: &str) -> String {
         // Generates a 32 character string from the input value + the salt
         let mut hasher = sha2::Sha256::new();