regenesis: migrate FuelBlockIdsToHeights (#1860)

Closes #1790 by completing the last missing item.
Closes #1545 by completing
the last missing item as well.

This PR regenerates `FuelBlockIdsToHeights` for both blocks on
regenesis.

## Checklist
- [x] Breaking changes are clearly marked as such in the PR description
and changelog
- [ ] New behavior is reflected in tests

### Before requesting review
- [x] I have reviewed the code myself
- [ ] I have created follow-up issues caused by this PR and linked them
here

---------

Co-authored-by: xgreenx <xgreenx9999@gmail.com>

CHANGELOG.md

@@ -10,6 +10,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - [#1856](https://github.com/FuelLabs/fuel-core/pull/1856): Replaced instances of `Union` with `Enum` for GraphQL definitions of `ConsensusParametersVersion` and related types. This is needed because `Union` does not support multiple `Version`s inside discriminants or empty variants. 
 
+### Added 
+
+- [#1860](https://github.com/FuelLabs/fuel-core/pull/1860): Regenesis now preserves `FuelBlockIdsToHeights` off-chain table.
+
 ### Changed
 
 - [#1832](https://github.com/FuelLabs/fuel-core/pull/1832): Snapshot generation can be cancelled. Progress is also reported.

benches/benches/block_target_gas.rs

@@ -20,6 +20,7 @@ use fuel_core::{
     database::{
         balances::BalancesInitializer,
         state::StateInitializer,
+        Database,
     },
     service::{
         config::Trigger,

benches/benches/vm.rs

@@ -15,6 +15,7 @@ use std::sync::Arc;
 
 use crate::vm_initialization::vm_initialization;
 use contract::*;
+use fuel_core::database::GenesisDatabase;
 use fuel_core_benches::*;
 use fuel_core_storage::transactional::IntoTransaction;
 use fuel_core_types::fuel_asm::Instruction;
@@ -47,7 +48,7 @@ where
             let relayer_database_tx = block_database_tx.into_transaction();
             let thread_database_tx = relayer_database_tx.into_transaction();
             let tx_database_tx = thread_database_tx.into_transaction();
-            let database = Database::new(Arc::new(tx_database_tx));
+            let database = GenesisDatabase::new(Arc::new(tx_database_tx));
             *vm.as_mut().database_mut() = database.into_transaction();
 
             let mut total = core::time::Duration::ZERO;

benches/benches/vm_set/blockchain.rs

@@ -16,6 +16,7 @@ use fuel_core::{
         balances::BalancesInitializer,
         database_description::on_chain::OnChain,
         state::StateInitializer,
+        GenesisDatabase,
     },
     service::Config,
     state::rocks_db::{
@@ -63,7 +64,7 @@ use rand::{
 };
 
 pub struct BenchDb {
-    db: Database,
+    db: GenesisDatabase,
     /// Used for RAII cleanup. Contents of this directory are deleted on drop.
     _tmp_dir: ShallowTempDir,
 }
@@ -79,7 +80,7 @@ impl BenchDb {
 
         let state_size = crate::utils::get_state_size();
 
-        let mut database = Database::new(db);
+        let mut database = GenesisDatabase::new(db);
         database.init_contract_state(
             contract_id,
             (0..state_size).map(|_| {
@@ -125,7 +126,7 @@ impl BenchDb {
     }
 
     /// Creates a `VmDatabase` instance.
-    fn to_vm_database(&self) -> VmStorage<StorageTransaction<Database>> {
+    fn to_vm_database(&self) -> VmStorage<StorageTransaction<GenesisDatabase>> {
         let consensus = ConsensusHeader {
             prev_root: Default::default(),
             height: 1.into(),

benches/src/lib.rs

@@ -1,7 +1,6 @@
 pub mod default_gas_costs;
 pub mod import;
 
-pub use fuel_core::database::Database;
 pub use fuel_core_storage::vm_storage::VmStorage;
 use fuel_core_types::{
     fuel_asm::{
@@ -31,13 +30,14 @@ use fuel_core_types::{
     },
 };
 
+use fuel_core::database::GenesisDatabase;
 use fuel_core_storage::transactional::StorageTransaction;
 pub use rand::Rng;
 use std::iter;
 
 const LARGE_GAS_LIMIT: u64 = u64::MAX - 1001;
 
-fn new_db() -> VmStorage<StorageTransaction<Database>> {
+fn new_db() -> VmStorage<StorageTransaction<GenesisDatabase>> {
     // when rocksdb is enabled, this creates a new db instance with a temporary path
     VmStorage::default()
 }
@@ -90,7 +90,7 @@ pub struct VmBench {
     pub inputs: Vec<Input>,
     pub outputs: Vec<Output>,
     pub witnesses: Vec<Witness>,
-    pub db: Option<VmStorage<StorageTransaction<Database>>>,
+    pub db: Option<VmStorage<StorageTransaction<GenesisDatabase>>>,
     pub instruction: Instruction,
     pub prepare_call: Option<PrepareCall>,
     pub dummy_contract: Option<ContractId>,
@@ -101,7 +101,7 @@ pub struct VmBench {
 
 #[derive(Debug, Clone)]
 pub struct VmBenchPrepared {
-    pub vm: Interpreter<VmStorage<StorageTransaction<Database>>, Script>,
+    pub vm: Interpreter<VmStorage<StorageTransaction<GenesisDatabase>>, Script>,
     pub instruction: Instruction,
     pub diff: diff::Diff<diff::InitialVmState>,
 }
@@ -149,7 +149,7 @@ impl VmBench {
 
     pub fn contract_using_db<R>(
         rng: &mut R,
-        mut db: VmStorage<StorageTransaction<Database>>,
+        mut db: VmStorage<StorageTransaction<GenesisDatabase>>,
         instruction: Instruction,
     ) -> anyhow::Result<Self>
     where
@@ -208,7 +208,7 @@ impl VmBench {
             .with_prepare_call(prepare_call))
     }
 
-    pub fn with_db(mut self, db: VmStorage<StorageTransaction<Database>>) -> Self {
+    pub fn with_db(mut self, db: VmStorage<StorageTransaction<GenesisDatabase>>) -> Self {
         self.db.replace(db);
         self
     }

crates/fuel-core/src/combined_database.rs

@@ -6,6 +6,7 @@ use crate::{
             relayer::Relayer,
         },
         Database,
+        GenesisDatabase,
         Result as DatabaseResult,
     },
     service::DbType,
@@ -178,4 +179,36 @@ impl CombinedDatabase {
 
         Ok(state_config)
     }
+
+    /// Converts the combined database into a genesis combined database.
+    pub fn into_genesis(self) -> CombinedGenesisDatabase {
+        CombinedGenesisDatabase {
+            on_chain: self.on_chain.into_genesis(),
+            off_chain: self.off_chain.into_genesis(),
+            relayer: self.relayer.into_genesis(),
+        }
+    }
+}
+
+/// A genesis database that combines the on-chain, off-chain and relayer
+/// genesis databases into one entity.
+#[derive(Default, Clone)]
+pub struct CombinedGenesisDatabase {
+    on_chain: GenesisDatabase<OnChain>,
+    off_chain: GenesisDatabase<OffChain>,
+    relayer: GenesisDatabase<Relayer>,
+}
+
+impl CombinedGenesisDatabase {
+    pub fn on_chain(&self) -> &GenesisDatabase<OnChain> {
+        &self.on_chain
+    }
+
+    pub fn off_chain(&self) -> &GenesisDatabase<OffChain> {
+        &self.off_chain
+    }
+
+    pub fn relayer(&self) -> &GenesisDatabase<Relayer> {
+        &self.relayer
+    }
 }