state

call(method: Text, data: Bytes, at?: BlockHash): Bytes

• interface: api.rpc.state.call

• jsonrpc: state_call (alias=state_callAt)

• summary: Calls a contract (pallet) at a block's state.

getChildReadProof(childStorageKey: PrefixedStorageKey, keys: Vec<StorageKey>, at?: BlockHash): ReadProof

• interface: api.rpc.state.getChildReadProof

• jsonrpc: state_getChildReadProof

• summary: Returns proof of storage for child key entries at a specific block state.

getKeys(key: StorageKey, at?: BlockHash): Vec<StorageKey>

• interface: api.rpc.state.getKeys

• jsonrpc: state_getKeys

• summary: Retrieves the keys with a certain prefix.

• deprecated: Use api.rpc.state.getKeysPaged to retrieve keys.

getKeysPaged(key: StorageKey, count: u32, startKey?: StorageKey, at?: BlockHash): Vec<StorageKey>

• interface: api.rpc.state.getKeysPaged

• jsonrpc: state_getKeysPaged (alias=state_getKeysPagedAt)

• summary: Returns the keys with prefix with pagination support.

getMetadata(at?: BlockHash): Metadata

• interface: api.rpc.state.getMetadata

• jsonrpc: state_getMetadata

• summary: Returns the runtime metadata.

getPairs(prefix: StorageKey, at?: BlockHash): Vec<KeyValue>

• interface: api.rpc.state.getPairs

• jsonrpc: state_getPairs

• summary: Returns the keys with prefix, leaves empty to get all the keys (deprecated: Use getKeysPaged).

• deprecated: Use api.rpc.state.getKeysPaged to retrieve keys.

getReadProof(keys: Vec<StorageKey>, at?: BlockHash): ReadProof

• interface: api.rpc.state.getReadProof

• jsonrpc: state_getReadProof

• summary: Returns proof of storage entries at a specific block state.

getRuntimeVersion(at?: BlockHash): RuntimeVersion

• interface: api.rpc.state.getRuntimeVersion

• jsonrpc: state_getRuntimeVersion (alias=chain_getRuntimeVersion)

• summary: Gets the runtime version.

getStorage(key: StorageKey, at?: BlockHash): StorageData

• interface: api.rpc.state.getStorage

• jsonrpc: state_getStorage (alias=state_getStorageAt)

• summary: Retrieves the storage for a key.

getStorageHash(key: StorageKey, at?: BlockHash): Hash

• interface: api.rpc.state.getStorageHash

• jsonrpc: state_getStorageHash (alias=state_getStorageHashAt)

• summary: Retrieves the storage hash.

getStorageSize(key: StorageKey, at?: BlockHash): u64

• interface: api.rpc.state.getStorageSize

• jsonrpc: state_getStorageSize (alias=state_getStorageSizeAt)

• summary: Retrieves the storage size.

queryStorage(keys: Vec<StorageKey>, fromBlock: Hash, toBlock?: BlockHash): Vec<StorageChangeSet>

• interface: api.rpc.state.queryStorage

• jsonrpc: state_queryStorage

• summary: Queries historical storage entries (by key) starting from a start block.

queryStorageAt(keys: Vec<StorageKey>, at?: BlockHash): Vec<StorageChangeSet>

• interface: api.rpc.state.queryStorageAt

• jsonrpc: state_queryStorageAt

• summary: Queries storage entries (by key) starting at block hash given as the second parameter.

subscribeRuntimeVersion(): RuntimeVersion

• interface: api.rpc.state.subscribeRuntimeVersion

• jsonrpc: state_subscribeRuntimeVersion

• summary: Retrieves the runtime version via subscription.

subscribeStorage(keys?: Vec<StorageKey>): StorageChangeSet

• interface: api.rpc.state.subscribeStorage

• jsonrpc: state_subscribeStorage

• summary: Subscribes to storage changes for the provided keys.

traceBlock(block: Hash, targets: Option<Text>, storageKeys: Option<Text>, methods: Option<Text>): TraceBlockResponse

• interface: api.rpc.state.traceBlock

• jsonrpc: state_traceBlock

• summary: Provides a way to trace the re-execution of a single block.