Split SDK's timing.rs (#5823)

runtime/src/append_vec.rs

@@ -1,7 +1,7 @@
 use bincode::{deserialize_from, serialize_into, serialized_size};
 use memmap::MmapMut;
 use serde::{Deserialize, Serialize};
-use solana_sdk::{account::Account, pubkey::Pubkey, timing::Epoch};
+use solana_sdk::{account::Account, clock::Epoch, pubkey::Pubkey};
 use std::fmt;
 use std::fs::{create_dir_all, remove_file, OpenOptions};
 use std::io;

runtime/src/bank.rs

@@ -33,6 +33,7 @@ use solana_metrics::{
 };
 use solana_sdk::{
     account::Account,
+    clock::{get_segment_from_slot, Epoch, Slot, MAX_RECENT_BLOCKHASHES},
     fee_calculator::FeeCalculator,
     genesis_block::GenesisBlock,
     hash::{hashv, Hash},
@@ -46,7 +47,7 @@ use solana_sdk::{
         slot_hashes::{self, SlotHashes},
         stake_history,
     },
-    timing::{duration_as_ns, get_segment_from_slot, Epoch, Slot, MAX_RECENT_BLOCKHASHES},
+    timing::duration_as_ns,
     transaction::{Result, Transaction, TransactionError},
 };
 use std::collections::{HashMap, HashSet};
@@ -1533,6 +1534,7 @@ mod tests {
         create_genesis_block_with_leader, GenesisBlockInfo, BOOTSTRAP_LEADER_LAMPORTS,
     };
     use bincode::{deserialize_from, serialize_into, serialized_size};
+    use solana_sdk::clock::DEFAULT_TICKS_PER_SLOT;
     use solana_sdk::genesis_block::create_genesis_block;
     use solana_sdk::hash;
     use solana_sdk::instruction::InstructionError;
@@ -1541,7 +1543,6 @@ mod tests {
     use solana_sdk::system_instruction;
     use solana_sdk::system_transaction;
     use solana_sdk::sysvar::{fees::Fees, rewards::Rewards};
-    use solana_sdk::timing::DEFAULT_TICKS_PER_SLOT;
     use solana_stake_api::stake_state::Stake;
     use solana_vote_api::vote_instruction;
     use solana_vote_api::vote_state::{VoteState, MAX_LOCKOUT_HISTORY};

runtime/src/rent_collector.rs

@@ -1,6 +1,6 @@
 //! calculate and collect rent from Accounts
 use crate::epoch_schedule::EpochSchedule;
-use solana_sdk::{account::Account, rent::Rent, timing::Epoch};
+use solana_sdk::{account::Account, clock::Epoch, rent::Rent};
 
 #[derive(Default, Serialize, Deserialize, Clone)]
 pub struct RentCollector {

runtime/src/stakes.rs

@@ -1,9 +1,9 @@
 //! Stakes serve as a cache of stake and vote accounts to derive
 //! node stakes
 use solana_sdk::account::Account;
+use solana_sdk::clock::Epoch;
 use solana_sdk::pubkey::Pubkey;
 use solana_sdk::sysvar::stake_history::StakeHistory;
-use solana_sdk::timing::Epoch;
 use solana_stake_api::stake_state::{new_stake_history_entry, StakeState};
 use solana_vote_api::vote_state::VoteState;
 use std::collections::HashMap;

runtime/src/status_cache.rs

@@ -1,13 +1,13 @@
 use log::*;
 use rand::{thread_rng, Rng};
 use serde::Serialize;
+use solana_sdk::clock::{Slot, MAX_HASH_AGE_IN_SECONDS};
 use solana_sdk::hash::Hash;
 use solana_sdk::signature::Signature;
-use solana_sdk::timing::Slot;
 use std::collections::{HashMap, HashSet};
 use std::sync::{Arc, Mutex};
 
-pub const MAX_CACHE_ENTRIES: usize = solana_sdk::timing::MAX_HASH_AGE_IN_SECONDS;
+pub const MAX_CACHE_ENTRIES: usize = MAX_HASH_AGE_IN_SECONDS;
 const CACHED_SIGNATURE_SIZE: usize = 20;
 
 // Store forks in a single chunk of memory to avoid another lookup.