Move BankForks to solana_runtime (#10637)

* Move BankForks to solana_runtime

* Update imports

runtime/src/snapshot_package.rs

@@ -0,0 +1,49 @@
+use crate::bank_forks::CompressionType;
+use crate::{accounts_db::SnapshotStorages, bank::BankSlotDelta};
+use solana_sdk::clock::Slot;
+use solana_sdk::hash::Hash;
+use std::{
+    path::PathBuf,
+    sync::mpsc::{Receiver, SendError, Sender},
+};
+use tempfile::TempDir;
+
+pub type AccountsPackageSender = Sender<AccountsPackage>;
+pub type AccountsPackageReceiver = Receiver<AccountsPackage>;
+pub type AccountsPackageSendError = SendError<AccountsPackage>;
+
+#[derive(Debug)]
+pub struct AccountsPackage {
+    pub root: Slot,
+    pub block_height: Slot,
+    pub slot_deltas: Vec<BankSlotDelta>,
+    pub snapshot_links: TempDir,
+    pub storages: SnapshotStorages,
+    pub tar_output_file: PathBuf,
+    pub hash: Hash,
+    pub compression: CompressionType,
+}
+
+impl AccountsPackage {
+    pub fn new(
+        root: Slot,
+        block_height: u64,
+        slot_deltas: Vec<BankSlotDelta>,
+        snapshot_links: TempDir,
+        storages: SnapshotStorages,
+        tar_output_file: PathBuf,
+        hash: Hash,
+        compression: CompressionType,
+    ) -> Self {
+        Self {
+            root,
+            block_height,
+            slot_deltas,
+            snapshot_links,
+            storages,
+            tar_output_file,
+            hash,
+            compression,
+        }
+    }
+}