remove old mine fn introspect_transaction

program/src/mine.rs

@@ -186,41 +186,3 @@ pub fn process_mine<'a, 'info>(
     Ok(())
 }
 
-fn introspect_transaction(msg: &[u8]) -> Result<bool, SanitizeError> {
-    #[allow(deprecated)]
-    let idx = load_current_index(msg);
-    let mut c = 0;
-    let num_instructions = read_u16(&mut c, msg)?;
-    let pc = c;
-    for i in 0..num_instructions as usize {
-        c = pc + i * 2;
-        c = read_u16(&mut c, msg)? as usize;
-        let num_accounts = read_u16(&mut c, msg)? as usize;
-        c += num_accounts * 33;
-        let program_id = read_pubkey(&mut c, msg)?;
-        if i.eq(&(idx as usize)) {
-            // Require top-level instruction at current index is a `mine`
-            if program_id.ne(&ore_api::ID) {
-                return Ok(false);
-            }
-            c += 2;
-            if let Ok(ix) = OreInstruction::try_from(read_u8(&mut c, msg)?) {
-                if ix.ne(&OreInstruction::Mine) {
-                    return Ok(false);
-                }
-            }
-        } else {
-            // Require no other instructions in the transaction are a `mine`
-            if program_id.eq(&ore_api::ID) {
-                c += 2;
-                if let Ok(ix) = OreInstruction::try_from(read_u8(&mut c, msg)?) {
-                    if ix.eq(&OreInstruction::Mine) {
-                        return Ok(false);
-                    }
-                }
-            }
-        }
-    }
-
-    Ok(true)
-}