Request compute units per price update instruction (#44)

* Request compute units per price update instruction

* pr comments

* fix bug

Author: jayantk

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "pyth-agent"
-version = "0.1.1"
+version = "0.1.2"
 edition = "2021"
 
 [[bin]]

Cargo.toml

@@ -41,7 +41,7 @@ key_store.root_path = "/path/to/keystore"
 # Maximum size of a batch
 # exporter.max_batch_size = 12
 
-# Maximum number of compute units requested by each update_price transaction
+# Number of compute units requested per update_price instruction within the transaction.
 # exporter.compute_unit_limit = 20000
 
 # Price per compute unit offered for update_price transactions

config/config.toml

@@ -103,7 +103,9 @@ pub struct Config {
     pub inflight_transactions_channel_capacity:  usize,
     /// Configuration for the Transaction Monitor
     pub transaction_monitor:                     transaction_monitor::Config,
-    /// Maximum number of compute units requested by each update_price transaction
+    /// Number of compute units requested per update_price instruction within the transaction
+    /// (i.e., requested units equals `n * compute_unit_limit`, where `n` is the number of update_price
+    /// instructions)
     pub compute_unit_limit:                      u32,
     /// Price per compute unit offered for update_price transactions
     pub compute_unit_price_micro_lamports:       Option<u64>,
@@ -383,7 +385,7 @@ impl Exporter {
 
         // Pay priority fees, if configured
         instructions.push(ComputeBudgetInstruction::set_compute_unit_limit(
-            self.config.compute_unit_limit,
+            self.config.compute_unit_limit * instructions.len() as u32,
         ));
         if let Some(compute_unit_price_micro_lamports) =
             self.config.compute_unit_price_micro_lamports