feat(client): Implement read-only StorageState functionality on ClientAdapter

dot/state/block.go

@@ -41,7 +41,7 @@ var (
 	ReceiptPrefix       = []byte("rcp") // ReceiptPrefix + hash -> receipt
 	MessageQueuePrefix  = []byte("mqp") // MessageQueuePrefix + hash -> message queue
 	JustificationPrefix = []byte("jcp") // JustificationPrefix + hash -> justification
-	firstSlotNumberKey  = []byte("fsn") // firstSlotNumberKey -> First slot number
+	FirstSlotNumberKey  = []byte("fsn") // FirstSlotNumberKey -> First slot number
 
 	errNilBlockTree = errors.New("blocktree is nil")
 	errNilBlockBody = errors.New("block body is nil")
@@ -84,7 +84,6 @@ type BlockState interface {
 	GetReceipt(hash common.Hash) ([]byte, error)
 	GetMessageQueue(hash common.Hash) ([]byte, error)
 	GetTries() *Tries
-	GetBlockHashesBySlot(slotNum uint64) ([]common.Hash, error)
 	GetAllBlocksAtNumber(num uint) ([]common.Hash, error)
 
 	GetNonFinalisedBlocks() []common.Hash
@@ -102,7 +101,6 @@ type BlockState interface {
 	SetHeader(header *types.Header) error
 	SetJustification(hash common.Hash, data []byte) error
 	SetHighestRoundAndSetID(round, setID uint64) error
-	GetRoundAndSetID() (uint64, uint64)
 
 	GetRuntime(blockHash common.Hash) (instance runtime.Instance, err error)
 	UnregisterRuntimeUpdatedChannel(id uint32) bool
@@ -589,12 +587,12 @@ func (bs *DefaultBlockState) SetBlockBody(hash common.Hash, body *types.Body) er
 func (bs *DefaultBlockState) SetFirstNonOriginSlotNumber(slotNumber uint64) error {
 	buf := make([]byte, 8)
 	binary.LittleEndian.PutUint64(buf, slotNumber)
-	return bs.db.Put(firstSlotNumberKey, buf)
+	return bs.db.Put(FirstSlotNumberKey, buf)
 }
 
 // GetFirstNonOriginSlotNumber returns the slot number of the first non origin block
 func (s *DefaultBlockState) GetFirstNonOriginSlotNumber() (uint64, error) {
-	slotVal, err := s.db.Get(firstSlotNumberKey)
+	slotVal, err := s.db.Get(FirstSlotNumberKey)
 	if err != nil {
 		if errors.Is(err, database.ErrNotFound) {
 			return 0, nil

dot/state/storage_state.go

@@ -20,7 +20,7 @@ type StorageState interface {
 	GenerateTrieProof(stateRoot common.Hash, keys [][]byte) ([][]byte, error)
 	GetStorage(root *common.Hash, key []byte) ([]byte, error)
 	GetStorageByBlockHash(bhash *common.Hash, key []byte) ([]byte, error)
-	StorageRoot() (common.Hash, error)                    // best block state root, use HeaderBackend
+	StorageRoot() (common.Hash, error)
 	Entries(root *common.Hash) (map[string][]byte, error) // should be overhauled to iterate
 	GetKeysWithPrefix(root *common.Hash, prefix []byte) ([][]byte, error)
 	GetStorageChild(root *common.Hash, keyToChild []byte) (trie.Trie, error)