Struct SystemDatabaseReader

pub struct SystemDatabaseReader<'a, S: SubstateDatabase + ?Sized> { /* private fields */ }

A System Layer (Layer 2) abstraction over an underlying substate database

Implementations

impl<'a, S: SubstateDatabase + ?Sized> SystemDatabaseReader<'a, S>

pub fn new_with_overlay( substate_db: &'a S, state_updates: &'a StateUpdates, ) -> Self

pub fn new(substate_db: &'a S) -> Self

pub fn get_type_info( &self, node_id: &NodeId, ) -> Result<TypeInfoSubstate, SystemReaderError>

pub fn get_package_definition( &self, package_address: PackageAddress, ) -> BTreeMap<BlueprintVersionKey, BlueprintDefinition>

pub fn read_object_field( &self, node_id: &NodeId, module_id: ModuleId, field_index: u8, ) -> Result<IndexedScryptoValue, SystemReaderError>

pub fn read_object_field_advanced( &self, node_id: &NodeId, module_id: ModuleId, field_index: u8, ) -> Result<(IndexedScryptoValue, PartitionNumber), SystemReaderError>

pub fn read_typed_kv_entry<K: ScryptoEncode, V: ScryptoDecode>( &self, node_id: &NodeId, key: &K, ) -> Option<V>

pub fn read_typed_object_field<V: ScryptoDecode>( &self, node_id: &NodeId, module_id: ModuleId, field_index: u8, ) -> Result<V, SystemReaderError>

pub fn get_partition_of_collection( &self, node_id: &NodeId, module_id: ModuleId, collection_index: CollectionIndex, ) -> Result<PartitionNumber, SystemReaderError>

pub fn read_object_collection_entry<K: ScryptoEncode, V: ScryptoDecode>( &self, node_id: &NodeId, module_id: ModuleId, collection_key: ObjectCollectionKey<'_, K>, ) -> Result<Option<V>, SystemReaderError>

pub fn key_value_store_iter( &self, node_id: &NodeId, from_key: Option<&MapKey>, ) -> Result<Box<dyn Iterator<Item = (MapKey, Vec<u8>)> + '_>, SystemReaderError>

pub fn collection_iter( &self, node_id: &NodeId, module_id: ModuleId, collection_index: CollectionIndex, ) -> Result<Box<dyn Iterator<Item = (SubstateKey, Vec<u8>)> + '_>, SystemReaderError>

pub fn collection_iter_advanced<'s, 'x>( &'s self, node_id: &'x NodeId, module_id: ModuleId, collection_index: CollectionIndex, from_substate_key: Option<&'x SubstateKey>, ) -> Result<(Box<dyn Iterator<Item = (SubstateKey, Vec<u8>)> + 's>, PartitionNumber), SystemReaderError>

pub fn get_object_info<A: Into<NodeId>>( &self, node_id: A, ) -> Result<ObjectInfo, SystemReaderError>

pub fn get_blueprint_id( &self, node_id: &NodeId, module_id: ModuleId, ) -> Result<BlueprintId, SystemReaderError>

pub fn get_blueprint_definition( &self, blueprint_id: &BlueprintId, ) -> Result<Rc<BlueprintDefinition>, SystemReaderError>

pub fn get_kv_store_type_target( &self, node_id: &NodeId, ) -> Result<KVStoreTypeTarget, SystemReaderError>

pub fn get_blueprint_type_target( &self, node_id: &NodeId, module_id: ModuleId, ) -> Result<BlueprintTypeTarget, SystemReaderError>

pub fn get_kv_store_payload_schema( &self, target: &KVStoreTypeTarget, key_or_value: KeyOrValue, ) -> Result<ResolvedPayloadSchema, SystemReaderError>

pub fn get_blueprint_payload_schema_pointer( &self, target: &BlueprintTypeTarget, payload_identifier: &BlueprintPayloadIdentifier, ) -> Result<ObjectSubstateTypeReference, SystemReaderError>

pub fn get_blueprint_payload_schema( &self, target: &BlueprintTypeTarget, payload_identifier: &BlueprintPayloadIdentifier, ) -> Result<ResolvedPayloadSchema, SystemReaderError>

pub fn get_schema( &self, node_id: &NodeId, schema_hash: &SchemaHash, ) -> Result<Rc<VersionedScryptoSchema>, SystemReaderError>

pub fn get_blueprint_type_schema( &self, type_id: &BlueprintTypeIdentifier, ) -> Result<(Rc<VersionedScryptoSchema>, ScopedTypeId), SystemReaderError>

pub fn get_blueprint_payload_def( &self, blueprint_id: &BlueprintId, ) -> Result<BlueprintDefinition, SystemReaderError>

pub fn validate_payload<'b>( &'b self, payload: &[u8], payload_schema: &'b ResolvedPayloadSchema, depth_limit: usize, ) -> Result<(), LocatedValidationError<'_, ScryptoCustomExtension>>

pub fn fetch_substate<D: ScryptoDecode>( &self, node_id: &NodeId, partition_num: PartitionNumber, key: &SubstateKey, ) -> Option<D>

pub fn fetch_substate_from_database<D: ScryptoDecode>( &self, node_id: &NodeId, partition_num: PartitionNumber, key: &SubstateKey, ) -> Option<D>

pub fn fetch_substate_from_state_updates<D: ScryptoDecode>( &self, node_id: &NodeId, partition_num: PartitionNumber, substate_key: &SubstateKey, ) -> Option<Option<D>>

impl<'a, S: SubstateDatabase> SystemDatabaseReader<'a, S>

pub fn get_partition_descriptors( &self, node_id: &NodeId, partition_num: &PartitionNumber, ) -> Result<Vec<SystemPartitionDescriptor>, SystemReaderError>

pub fn field_iter( &self, node_id: &NodeId, partition_number: PartitionNumber, ) -> Box<dyn Iterator<Item = (FieldKey, Vec<u8>)> + '_>

pub fn map_iter( &self, node_id: &NodeId, partition_number: PartitionNumber, ) -> Box<dyn Iterator<Item = (MapKey, Vec<u8>)> + '_>

pub fn sorted_iter( &self, node_id: &NodeId, partition_number: PartitionNumber, ) -> Box<dyn Iterator<Item = (SortedKey, Vec<u8>)> + '_>

impl<'a, S: SubstateDatabase + ListableSubstateDatabase> SystemDatabaseReader<'a, S>

pub fn partitions_iter( &self, ) -> Box<dyn Iterator<Item = (NodeId, PartitionNumber)> + '_>