Add pre commit metrics to prometheus

Signed-off-by: Jacinta Ferrant <[email protected]>

Author: jferrant

stacks-signer/src/monitoring/mod.rs

@@ -91,6 +91,11 @@ pub mod actions {
         BLOCK_PROPOSALS_RECEIVED.inc();
     }
 
+    /// Increment the block pre-commit sent counter
+    pub fn increment_block_pre_commits_sent() {
+        BLOCK_PRE_COMMITS_SENT.inc();
+    }
+
     /// Update the stx balance of the signer
     pub fn update_signer_stx_balance(balance: i64) {
         SIGNER_STX_BALANCE.set(balance);
@@ -206,6 +211,9 @@ pub mod actions {
     /// Increment the number of block proposals received
     pub fn increment_block_proposals_received() {}
 
+    /// Increment the block pre-commits sent counter
+    pub fn increment_block_pre_commits_sent() {}
+
     /// Update the stx balance of the signer
     pub fn update_signer_stx_balance(_balance: i64) {}
 

stacks-signer/src/monitoring/prometheus.rs

@@ -48,6 +48,11 @@ lazy_static! {
         "The number of block proposals received by the signer"
     ))
     .unwrap();
+    pub static ref BLOCK_PRE_COMMITS_SENT: IntCounter = register_int_counter!(opts!(
+        "stacks_signer_block_pre_commits_sent",
+        "The number of block pre-commits sent by the signer"
+    ))
+    .unwrap();
     pub static ref CURRENT_REWARD_CYCLE: IntGauge = register_int_gauge!(opts!(
         "stacks_signer_current_reward_cycle",
         "The current reward cycle"