fix: remove initPriceFeedIndex instr to reduce binary size

Author: tejasbadadare

program/rust/src/processor.rs

@@ -32,7 +32,6 @@ mod del_product;
 mod del_publisher;
 mod init_mapping;
 mod init_price;
-mod init_price_feed_index;
 mod resize_mapping;
 mod set_max_latency;
 mod set_min_pub;
@@ -67,15 +66,13 @@ pub use {
     },
     upd_product::upd_product,
 };
-use {
-    init_price_feed_index::init_price_feed_index,
-    solana_program::{
-        program_error::ProgramError,
-        rent::Rent,
-        sysvar::Sysvar,
-    },
+use solana_program::{
+    program_error::ProgramError,
+    rent::Rent,
+    sysvar::Sysvar,
 };
 
+
 /// Dispatch to the right instruction in the oracle.
 pub fn process_instruction(
     program_id: &Pubkey,
@@ -107,7 +104,10 @@ pub fn process_instruction(
         DelProduct => del_product(program_id, accounts, instruction_data),
         UpdPermissions => upd_permissions(program_id, accounts, instruction_data),
         SetMaxLatency => set_max_latency(program_id, accounts, instruction_data),
-        InitPriceFeedIndex => init_price_feed_index(program_id, accounts, instruction_data),
+        InitPriceFeedIndex => {
+            solana_program::msg!("Oracle init price feed index instruction has been removed. Bailing out!");
+            Err(OracleError::UnrecognizedInstruction.into())
+        }
         ResizeMapping => resize_mapping(program_id, accounts, instruction_data),
     }
 }

program/rust/src/processor/init_price_feed_index.rs

@@ -130,58 +130,6 @@ fn test_add_price() {
         assert!(product_data.first_price_account == *price_account_2.key);
     }
 
-    // Emulate pre-existing price accounts without a feed index.
-    {
-        let mut price_data = load_checked::<PriceAccount>(&price_account, PC_VERSION).unwrap();
-        price_data.feed_index = 0;
-        let mut price_data_2 = load_checked::<PriceAccount>(&price_account_2, PC_VERSION).unwrap();
-        price_data_2.feed_index = 0;
-    }
-    let hdr_init_price_feed_index = CommandHeader::from(OracleCommand::InitPriceFeedIndex);
-    let instruction_data_init_price_feed_index = bytes_of(&hdr_init_price_feed_index);
-    process_instruction(
-        &program_id,
-        &[
-            funding_account.clone(),
-            price_account.clone(),
-            permissions_account.clone(),
-        ],
-        instruction_data_init_price_feed_index,
-    )
-    .unwrap();
-    {
-        let price_data = load_checked::<PriceAccount>(&price_account, PC_VERSION).unwrap();
-        assert_eq!(price_data.feed_index, 3);
-    }
-    process_instruction(
-        &program_id,
-        &[
-            funding_account.clone(),
-            price_account_2.clone(),
-            permissions_account.clone(),
-        ],
-        instruction_data_init_price_feed_index,
-    )
-    .unwrap();
-    {
-        let price_data_2 = load_checked::<PriceAccount>(&price_account_2, PC_VERSION).unwrap();
-        assert_eq!(price_data_2.feed_index, 4);
-    }
-
-    // Feed index is already set.
-    assert_eq!(
-        process_instruction(
-            &program_id,
-            &[
-                funding_account.clone(),
-                price_account_2.clone(),
-                permissions_account.clone(),
-            ],
-            instruction_data_init_price_feed_index,
-        ),
-        Err(OracleError::FeedIndexAlreadyInitialized.into())
-    );
-
     // Wrong number of accounts
     assert_eq!(
         process_instruction(