Fix bug in storage processor and remove duplicate Constant (#4294)

* Fix bug in storage processor and remove duplicate Constant

* Add test

* Bump replicator timeout

core/src/chacha_cuda.rs

@@ -7,12 +7,11 @@ use crate::sigverify::{
     chacha_cbc_encrypt_many_sample, chacha_end_sha_state, chacha_init_sha_state,
 };
 use solana_sdk::hash::Hash;
+use solana_storage_api::SLOTS_PER_SEGMENT;
 use std::io;
 use std::mem::size_of;
 use std::sync::Arc;
 
-use crate::storage_stage::SLOTS_PER_SEGMENT;
-
 // Encrypt a file with multiple starting IV states, determined by ivecs.len()
 //
 // Then sample each block at the offsets provided by samples argument with sha256