StorageCache

Extends

• Cache

Constructors

new StorageCache()

new StorageCache(opts): StorageCache

Parameters

• opts: CacheOpts

Returns

StorageCache

Overrides

Cache.constructor

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/storage.d.ts:26

Properties

_checkpoints

_checkpoints: number

Inherited from

Cache._checkpoints

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/cache.d.ts:4

---

_debug

_debug: Debugger

Inherited from

Cache._debug

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/cache.d.ts:3

---

_diffCache

_diffCache: Map<string, DiffStorageCacheMap>[]

Diff cache collecting the state of the cache at the beginning of checkpoint height (respectively: before a first modification)

If the whole cache element is undefined (in contrast to the account), the element didn’t exist in the cache before.

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/storage.d.ts:25

---

_lruCache

_lruCache: undefined | LRUCache<string, StorageCacheMap, unknown>

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/storage.d.ts:14

---

_orderedMapCache

_orderedMapCache: undefined | OrderedMap<string, StorageCacheMap>

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/storage.d.ts:15

---

_stats

_stats: object

dels

dels: number

hits

hits: number

reads

reads: number

size

size: number

writes

writes: number

Inherited from

Cache._stats

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/cache.d.ts:5

Methods

_saveCachePreState()

_saveCachePreState(addressHex, keyHex): void

Parameters

• addressHex: string

• keyHex: string

Returns

void

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/storage.d.ts:27

---

checkpoint()

checkpoint(): void

Marks current state of cache as checkpoint, which can later on be reverted or committed.

Returns

void

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/storage.d.ts:72

---

clear()

clear(): void

Clears cache.

Returns

void

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/storage.d.ts:92

---

clearContractStorage()

clearContractStorage(address): void

Deletes all storage slots for address from the cache

Parameters

• address: EthjsAddress

Returns

void

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/storage.d.ts:54

---

commit()

commit(): void

Commits to current state of cache (no effect on trie).

Returns

void

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/storage.d.ts:67

---

del()

del(address, key): void

Marks storage key for address as deleted in cache.

Parameters

• address: EthjsAddress

Address

• key: Uint8Array

Storage key

Returns

void

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/storage.d.ts:49

---

dump()

dump(address): undefined | StorageCacheMap

Dumps the RLP-encoded storage values for an account specified by address.

Parameters

• address: EthjsAddress

The address of the account to return storage for

Returns

undefined | StorageCacheMap

• The storage values for the account or undefined if the account is not in the cache

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/storage.d.ts:98

---

flush()

flush(): [string, string, undefined | Uint8Array][]

Flushes cache by returning storage slots that have been modified or deleted and resetting the diff cache (at checkpoint height).

Returns

[string, string, undefined | Uint8Array][]

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/storage.d.ts:59

---

get()

get(address, key): undefined | Uint8Array

Returns the queried slot as the RLP encoded storage value hexToBytes(‘0x80’): slot is known to be empty undefined: slot is not in cache

Parameters

• address: EthjsAddress

Address of account

• key: Uint8Array

Storage key

Returns

undefined | Uint8Array

Storage value or undefined

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/storage.d.ts:43

---

put()

put(address, key, value): void

Puts storage value to cache under address_key cache key.

Parameters

• address: EthjsAddress

Account address

• key: Uint8Array

Storage key

• value: Uint8Array

Returns

void

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/storage.d.ts:34

---

revert()

revert(): void

Revert changes to cache last checkpoint (no effect on trie).

Returns

void

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/storage.d.ts:63

---

size()

size(): number

Returns the size of the cache

Returns

number

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/storage.d.ts:77

---

stats()

stats(reset?): object

Returns a dict with cache stats

Parameters

• reset?: boolean

Returns

object

dels

dels: number

hits

hits: number

reads

reads: number

size

size: number

writes

writes: number

Defined in

node_modules/.pnpm/@ethereumjs+statemanager@2.3.0/node_modules/@ethereumjs/statemanager/dist/esm/cache/storage.d.ts:82