program: drop ConfigKeys::serialized_size

Author: buffalojoec

program/benches/setup.rs

@@ -39,7 +39,7 @@ pub trait BenchSetup: ConfigState + Default {
 
     fn default_space(keys: Vec<(Pubkey, bool)>) -> usize {
         (Self::max_space()
-            .checked_add(ConfigKeys::serialized_size(keys))
+            .checked_add(bincode::serialized_size(&ConfigKeys { keys }).unwrap())
             .unwrap()) as usize
     }
 

program/src/instruction.rs

@@ -5,6 +5,7 @@ use {
         id,
         state::{ConfigKeys, ConfigState},
     },
+    bincode::serialized_size,
     solana_program::{
         instruction::{AccountMeta, Instruction},
         pubkey::Pubkey,
@@ -25,7 +26,7 @@ pub fn create_account<T: ConfigState>(
     lamports: u64,
     keys: Vec<(Pubkey, bool)>,
 ) -> Vec<Instruction> {
-    let space = T::max_space().saturating_add(ConfigKeys::serialized_size(keys));
+    let space = T::max_space().saturating_add(serialized_size(&ConfigKeys { keys }).unwrap());
     vec![
         system_instruction::create_account(
             from_account_pubkey,

program/src/state.rs

@@ -1,7 +1,6 @@
 //! Program state types.
 
 use {
-    bincode::serialized_size,
     serde::{Deserialize, Serialize},
     solana_program::{pubkey::Pubkey, short_vec},
 };
@@ -20,11 +19,3 @@ pub struct ConfigKeys {
     #[serde(with = "short_vec")]
     pub keys: Vec<(Pubkey, bool)>,
 }
-
-impl ConfigKeys {
-    /// Get the serialized size of the `ConfigKeys` struct,
-    /// given a list of keys.
-    pub fn serialized_size(keys: Vec<(Pubkey, bool)>) -> u64 {
-        serialized_size(&ConfigKeys { keys }).unwrap()
-    }
-}