title: JSON-RPC

The following sections contain RPC methods that are Remote Calls available by default and allow you to interact with the actual node, query, and submit.

author

hasKey(publicKey: Bytes, keyType: Text): bool

  • interface: api.rpc.author.hasKey
  • jsonrpc: author_hasKey
  • summary: Returns true if the keystore has private keys for the given public key and key type.

hasSessionKeys(sessionKeys: Bytes): bool

  • interface: api.rpc.author.hasSessionKeys
  • jsonrpc: author_hasSessionKeys
  • summary: Returns true if the keystore has private keys for the given session public keys.

insertKey(keyType: Text, suri: Text, publicKey: Bytes): Bytes

  • interface: api.rpc.author.insertKey
  • jsonrpc: author_insertKey
  • summary: Insert a key into the keystore.

pendingExtrinsics(): Vec<Extrinsic>

  • interface: api.rpc.author.pendingExtrinsics
  • jsonrpc: author_pendingExtrinsics
  • summary: Returns all pending extrinsics, potentially grouped by sender

removeExtrinsic(bytesOrHash: Vec<ExtrinsicOrHash>): Vec<Hash>

  • interface: api.rpc.author.removeExtrinsic
  • jsonrpc: author_removeExtrinsic
  • summary: Remove given extrinsic from the pool and temporarily ban it to prevent reimporting

rotateKeys(): Bytes

  • interface: api.rpc.author.rotateKeys
  • jsonrpc: author_rotateKeys
  • summary: Generate new session keys and returns the corresponding public keys

submitAndWatchExtrinsic(extrinsic: Extrinsic): ExtrinsicStatus

  • interface: api.rpc.author.submitAndWatchExtrinsic
  • jsonrpc: author_submitAndWatchExtrinsic
  • summary: Submit and subscribe to watch an extrinsic until unsubscribed

submitExtrinsic(extrinsic: Extrinsic): Hash

  • interface: api.rpc.author.submitExtrinsic
  • jsonrpc: author_submitExtrinsic
  • summary: Submit a fully formatted extrinsic for block inclusion

babe

epochAuthorship(): HashMap<AuthorityId, EpochAuthorship>

  • interface: api.rpc.babe.epochAuthorship
  • jsonrpc: babe_epochAuthorship
  • summary: Returns data about which slots (primary or secondary) can be claimed in the current epoch with the keys in the keystore

beefy

getFinalizedHead(): H256

  • interface: api.rpc.beefy.getFinalizedHead
  • jsonrpc: beefy_getFinalizedHead
  • summary: Returns hash of the latest BEEFY finalized block as seen by this client.

subscribeJustifications(): BeefySignedCommitment

  • interface: api.rpc.beefy.subscribeJustifications
  • jsonrpc: beefy_subscribeJustifications
  • summary: Returns the block most recently finalized by BEEFY, alongside side its justification.

chain

getBlock(hash?: BlockHash): SignedBlock

  • interface: api.rpc.chain.getBlock
  • jsonrpc: chain_getBlock
  • summary: Get header and body of a relay chain block

getBlockHash(blockNumber?: BlockNumber): BlockHash

  • interface: api.rpc.chain.getBlockHash
  • jsonrpc: chain_getBlockHash
  • summary: Get the block hash for a specific block

getFinalizedHead(): BlockHash

  • interface: api.rpc.chain.getFinalizedHead
  • jsonrpc: chain_getFinalizedHead
  • summary: Get hash of the last finalized block in the canon chain

getHeader(hash?: BlockHash): Header

  • interface: api.rpc.chain.getHeader
  • jsonrpc: chain_getHeader
  • summary: Retrieves the header for a specific block

subscribeAllHeads(): Header

  • interface: api.rpc.chain.subscribeAllHeads
  • jsonrpc: chain_subscribeAllHeads
  • summary: Retrieves the newest header via subscription

subscribeFinalizedHeads(): Header

  • interface: api.rpc.chain.subscribeFinalizedHeads
  • jsonrpc: chain_subscribeFinalizedHeads
  • summary: Retrieves the best finalized header via subscription

subscribeNewHeads(): Header

  • interface: api.rpc.chain.subscribeNewHeads
  • jsonrpc: chain_subscribeNewHeads
  • summary: Retrieves the best header via subscription

childstate

getKeys(childKey: PrefixedStorageKey, prefix: StorageKey, at?: Hash): Vec<StorageKey>

  • interface: api.rpc.childstate.getKeys
  • jsonrpc: childstate_getKeys
  • summary: Returns the keys with prefix from a child storage, leave empty to get all the keys

getKeysPaged(childKey: PrefixedStorageKey, prefix: StorageKey, count: u32, startKey?: StorageKey, at?: Hash): Vec<StorageKey>

  • interface: api.rpc.childstate.getKeysPaged
  • jsonrpc: childstate_getKeysPaged
  • summary: Returns the keys with prefix from a child storage with pagination support

getStorage(childKey: PrefixedStorageKey, key: StorageKey, at?: Hash): Option<StorageData>

  • interface: api.rpc.childstate.getStorage
  • jsonrpc: childstate_getStorage
  • summary: Returns a child storage entry at a specific block state

getStorageEntries(childKey: PrefixedStorageKey, keys: Vec<StorageKey>, at?: Hash): Vec<Option<StorageData>>

  • interface: api.rpc.childstate.getStorageEntries
  • jsonrpc: childstate_getStorageEntries
  • summary: Returns child storage entries for multiple keys at a specific block state

getStorageHash(childKey: PrefixedStorageKey, key: StorageKey, at?: Hash): Option<Hash>

  • interface: api.rpc.childstate.getStorageHash
  • jsonrpc: childstate_getStorageHash
  • summary: Returns the hash of a child storage entry at a block state

getStorageSize(childKey: PrefixedStorageKey, key: StorageKey, at?: Hash): Option<u64>

  • interface: api.rpc.childstate.getStorageSize
  • jsonrpc: childstate_getStorageSize
  • summary: Returns the size of a child storage entry at a block state

contracts

call(callRequest: ContractCallRequest, at?: BlockHash): ContractExecResult

  • interface: api.rpc.contracts.call
  • jsonrpc: contracts_call
  • summary: Executes a call to a contract

getStorage(address: AccountId, key: H256, at?: BlockHash): Option<Bytes>

  • interface: api.rpc.contracts.getStorage
  • jsonrpc: contracts_getStorage
  • summary: Returns the value under a specified storage key in a contract

instantiate(request: InstantiateRequest, at?: BlockHash): ContractInstantiateResult

  • interface: api.rpc.contracts.instantiate
  • jsonrpc: contracts_instantiate
  • summary: Instantiate a new contract

rentProjection(address: AccountId, at?: BlockHash): Option<BlockNumber>

  • interface: api.rpc.contracts.rentProjection
  • jsonrpc: contracts_rentProjection
  • summary: Returns the projected time a given contract will be able to sustain paying its rent

uploadCode(uploadRequest: CodeUploadRequest, at?: BlockHash): CodeUploadResult

  • interface: api.rpc.contracts.uploadCode
  • jsonrpc: contracts_upload_code
  • summary: Upload new code without instantiating a contract from it

dev

getBlockStats(at: Hash): Option<BlockStats>

  • interface: api.rpc.dev.getBlockStats
  • jsonrpc: dev_getBlockStats
  • summary: Reexecute the specified block_hash and gather statistics while doing so

engine

createBlock(createEmpty: bool, finalize: bool, parentHash?: BlockHash): CreatedBlock

  • interface: api.rpc.engine.createBlock
  • jsonrpc: engine_createBlock
  • summary: Instructs the manual-seal authorship task to create a new block

finalizeBlock(hash: BlockHash, justification?: Justification): bool

  • interface: api.rpc.engine.finalizeBlock
  • jsonrpc: engine_finalizeBlock
  • summary: Instructs the manual-seal authorship task to finalize a block

eth

accounts(): Vec<H160>

  • interface: api.rpc.eth.accounts
  • jsonrpc: eth_accounts
  • summary: Returns accounts list.

blockNumber(): U256

  • interface: api.rpc.eth.blockNumber
  • jsonrpc: eth_blockNumber
  • summary: Returns the blockNumber

call(request: EthCallRequest, number?: BlockNumber): Bytes

  • interface: api.rpc.eth.call
  • jsonrpc: eth_call
  • summary: Call contract, returning the output data.

chainId(): U64

  • interface: api.rpc.eth.chainId
  • jsonrpc: eth_chainId
  • summary: Returns the chain ID used for transaction signing at the current best block. None is returned if not available.

coinbase(): H160

  • interface: api.rpc.eth.coinbase
  • jsonrpc: eth_coinbase
  • summary: Returns block author.

estimateGas(request: EthCallRequest, number?: BlockNumber): U256

  • interface: api.rpc.eth.estimateGas
  • jsonrpc: eth_estimateGas
  • summary: Estimate gas needed for execution of given contract.

gasPrice(): U256

  • interface: api.rpc.eth.gasPrice
  • jsonrpc: eth_gasPrice
  • summary: Returns current gas price.

getBalance(address: H160, number?: BlockNumber): U256

  • interface: api.rpc.eth.getBalance
  • jsonrpc: eth_getBalance
  • summary: Returns balance of the given account.

getBlockByHash(hash: H256, full: bool): Option<EthRichBlock>

  • interface: api.rpc.eth.getBlockByHash
  • jsonrpc: eth_getBlockByHash
  • summary: Returns block with given hash.

getBlockByNumber(block: BlockNumber, full: bool): Option<EthRichBlock>

  • interface: api.rpc.eth.getBlockByNumber
  • jsonrpc: eth_getBlockByNumber
  • summary: Returns block with given number.

getBlockTransactionCountByHash(hash: H256): U256

  • interface: api.rpc.eth.getBlockTransactionCountByHash
  • jsonrpc: eth_getBlockTransactionCountByHash
  • summary: Returns the number of transactions in a block with given hash.

getBlockTransactionCountByNumber(block: BlockNumber): U256

  • interface: api.rpc.eth.getBlockTransactionCountByNumber
  • jsonrpc: eth_getBlockTransactionCountByNumber
  • summary: Returns the number of transactions in a block with given block number.

getCode(address: H160, number?: BlockNumber): Bytes

  • interface: api.rpc.eth.getCode
  • jsonrpc: eth_getCode
  • summary: Returns the code at given address at given time (block number).

getFilterChanges(index: U256): EthFilterChanges

  • interface: api.rpc.eth.getFilterChanges
  • jsonrpc: eth_getFilterChanges
  • summary: Returns filter changes since last poll.

getFilterLogs(index: U256): Vec<EthLog>

  • interface: api.rpc.eth.getFilterLogs
  • jsonrpc: eth_getFilterLogs
  • summary: Returns all logs matching given filter (in a range 'from' - 'to').

getLogs(filter: EthFilter): Vec<EthLog>

  • interface: api.rpc.eth.getLogs
  • jsonrpc: eth_getLogs
  • summary: Returns logs matching given filter object.

getProof(address: H160, storageKeys: Vec<H256>, number: BlockNumber): EthAccount

  • interface: api.rpc.eth.getProof
  • jsonrpc: eth_getProof
  • summary: Returns proof for account and storage.

getStorageAt(address: H160, index: U256, number?: BlockNumber): H256

  • interface: api.rpc.eth.getStorageAt
  • jsonrpc: eth_getStorageAt
  • summary: Returns content of the storage at given address.

getTransactionByBlockHashAndIndex(hash: H256, index: U256): EthTransaction

  • interface: api.rpc.eth.getTransactionByBlockHashAndIndex
  • jsonrpc: eth_getTransactionByBlockHashAndIndex
  • summary: Returns transaction at given block hash and index.

getTransactionByBlockNumberAndIndex(number: BlockNumber, index: U256): EthTransaction

  • interface: api.rpc.eth.getTransactionByBlockNumberAndIndex
  • jsonrpc: eth_getTransactionByBlockNumberAndIndex
  • summary: Returns transaction by given block number and index.

getTransactionByHash(hash: H256): EthTransaction

  • interface: api.rpc.eth.getTransactionByHash
  • jsonrpc: eth_getTransactionByHash
  • summary: Get transaction by its hash.

getTransactionCount(hash: H256, number?: BlockNumber): U256

  • interface: api.rpc.eth.getTransactionCount
  • jsonrpc: eth_getTransactionCount
  • summary: Returns the number of transactions sent from given address at given time (block number).

getTransactionReceipt(hash: H256): EthReceipt

  • interface: api.rpc.eth.getTransactionReceipt
  • jsonrpc: eth_getTransactionReceipt
  • summary: Returns transaction receipt by transaction hash.

getUncleByBlockHashAndIndex(hash: H256, index: U256): EthRichBlock

  • interface: api.rpc.eth.getUncleByBlockHashAndIndex
  • jsonrpc: eth_getUncleByBlockHashAndIndex
  • summary: Returns an uncles at given block and index.

getUncleByBlockNumberAndIndex(number: BlockNumber, index: U256): EthRichBlock

  • interface: api.rpc.eth.getUncleByBlockNumberAndIndex
  • jsonrpc: eth_getUncleByBlockNumberAndIndex
  • summary: Returns an uncles at given block and index.

getUncleCountByBlockHash(hash: H256): U256

  • interface: api.rpc.eth.getUncleCountByBlockHash
  • jsonrpc: eth_getUncleCountByBlockHash
  • summary: Returns the number of uncles in a block with given hash.

getUncleCountByBlockNumber(number: BlockNumber): U256

  • interface: api.rpc.eth.getUncleCountByBlockNumber
  • jsonrpc: eth_getUncleCountByBlockNumber
  • summary: Returns the number of uncles in a block with given block number.

getWork(): EthWork

  • interface: api.rpc.eth.getWork
  • jsonrpc: eth_getWork
  • summary: Returns the hash of the current block, the seedHash, and the boundary condition to be met.

hashrate(): U256

  • interface: api.rpc.eth.hashrate
  • jsonrpc: eth_hashrate
  • summary: Returns the number of hashes per second that the node is mining with.

mining(): bool

  • interface: api.rpc.eth.mining
  • jsonrpc: eth_mining
  • summary: Returns true if client is actively mining new blocks.

newBlockFilter(): U256

  • interface: api.rpc.eth.newBlockFilter
  • jsonrpc: eth_newBlockFilter
  • summary: Returns id of new block filter.

newFilter(filter: EthFilter): U256

  • interface: api.rpc.eth.newFilter
  • jsonrpc: eth_newFilter
  • summary: Returns id of new filter.

newPendingTransactionFilter(): U256

  • interface: api.rpc.eth.newPendingTransactionFilter
  • jsonrpc: eth_newPendingTransactionFilter
  • summary: Returns id of new block filter.

protocolVersion(): u64

  • interface: api.rpc.eth.protocolVersion
  • jsonrpc: eth_protocolVersion
  • summary: Returns protocol version encoded as a string (quotes are necessary).

sendRawTransaction(bytes: Bytes): H256

  • interface: api.rpc.eth.sendRawTransaction
  • jsonrpc: eth_sendRawTransaction
  • summary: Sends signed transaction, returning its hash.

sendTransaction(tx: EthTransactionRequest): H256

  • interface: api.rpc.eth.sendTransaction
  • jsonrpc: eth_sendTransaction
  • summary: Sends transaction; will block waiting for signer to return the transaction hash

submitHashrate(index: U256, hash: H256): bool

  • interface: api.rpc.eth.submitHashrate
  • jsonrpc: eth_submitHashrate
  • summary: Used for submitting mining hashrate.

submitWork(nonce: H64, headerHash: H256, mixDigest: H256): bool

  • interface: api.rpc.eth.submitWork
  • jsonrpc: eth_submitWork
  • summary: Used for submitting a proof-of-work solution.

subscribe(kind: EthSubKind, params?: EthSubParams): Null

  • interface: api.rpc.eth.subscribe
  • jsonrpc: eth_subscribe
  • summary: Subscribe to Eth subscription.

syncing(): EthSyncStatus

  • interface: api.rpc.eth.syncing
  • jsonrpc: eth_syncing
  • summary: Returns an object with data about the sync status or false.

uninstallFilter(index: U256): bool

  • interface: api.rpc.eth.uninstallFilter
  • jsonrpc: eth_uninstallFilter
  • summary: Uninstalls filter.

eth/net

listening(): bool

  • interface: api.rpc.net.listening
  • jsonrpc: net_listening
  • summary: Returns true if client is actively listening for network connections. Otherwise false.

peerCount(): String

  • interface: api.rpc.net.peerCount
  • jsonrpc: net_peerCount
  • summary: Returns number of peers connected to node.

version(): String

  • interface: api.rpc.net.version
  • jsonrpc: net_version
  • summary: Returns protocol version.

eth/web3

clientVersion(): String

  • interface: api.rpc.web3.clientVersion
  • jsonrpc: web3_clientVersion
  • summary: Returns current client version.

sha3(data: Bytes): H256

  • interface: api.rpc.web3.sha3
  • jsonrpc: web3_sha3
  • summary: Returns sha3 of the given data

grandpa

proveFinality(blockNumber: BlockNumber): Option<EncodedFinalityProofs>

  • interface: api.rpc.grandpa.proveFinality
  • jsonrpc: grandpa_proveFinality
  • summary: Prove finality for the given block number, returning the Justification for the last block in the set.

roundState(): ReportedRoundStates

  • interface: api.rpc.grandpa.roundState
  • jsonrpc: grandpa_roundState
  • summary: Returns the state of the current best round state as well as the ongoing background rounds

subscribeJustifications(): JustificationNotification

  • interface: api.rpc.grandpa.subscribeJustifications
  • jsonrpc: grandpa_subscribeJustifications
  • summary: Subscribes to grandpa justifications

mmr

generateBatchProof(leafIndices: Vec<u64>, at?: BlockHash): MmrLeafProof

  • interface: api.rpc.mmr.generateBatchProof
  • jsonrpc: mmr_generateBatchProof
  • summary: Generate MMR proof for the given leaf indices.

generateProof(leafIndex: u64, at?: BlockHash): MmrLeafBatchProof

  • interface: api.rpc.mmr.generateProof
  • jsonrpc: mmr_generateProof
  • summary: Generate MMR proof for given leaf index.

offchain

localStorageGet(kind: StorageKind, key: Bytes): Option<Bytes>

  • interface: api.rpc.offchain.localStorageGet
  • jsonrpc: offchain_localStorageGet
  • summary: Get offchain local storage under given key and prefix

localStorageSet(kind: StorageKind, key: Bytes, value: Bytes): Null

  • interface: api.rpc.offchain.localStorageSet
  • jsonrpc: offchain_localStorageSet
  • summary: Set offchain local storage under given key and prefix

payment

queryFeeDetails(extrinsic: Bytes, at?: BlockHash): FeeDetails

  • interface: api.rpc.payment.queryFeeDetails
  • jsonrpc: payment_queryFeeDetails
  • summary: Query the detailed fee of a given encoded extrinsic

queryInfo(extrinsic: Bytes, at?: BlockHash): RuntimeDispatchInfo

  • interface: api.rpc.payment.queryInfo
  • jsonrpc: payment_queryInfo
  • summary: Retrieves the fee information for an encoded extrinsic

rpc

methods(): RpcMethods

  • interface: api.rpc.rpc.methods
  • jsonrpc: rpc_methods
  • summary: Retrieves the list of RPC methods that are exposed by the node

state

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

  • interface: api.rpc.state.call
  • jsonrpc: state_call
  • summary: Perform a call to a builtin on the chain

getChildKeys(childStorageKey: StorageKey, childDefinition: StorageKey, childType: u32, key: StorageKey, at?: BlockHash): Vec<StorageKey>

  • interface: api.rpc.state.getChildKeys
  • jsonrpc: state_getChildKeys
  • summary: Retrieves the keys with prefix of a specific child storage

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.

getChildStorage(childStorageKey: StorageKey, childDefinition: StorageKey, childType: u32, key: StorageKey, at?: BlockHash): StorageData

  • interface: api.rpc.state.getChildStorage
  • jsonrpc: state_getChildStorage
  • summary: Retrieves the child storage for a key

getChildStorageHash(childStorageKey: StorageKey, childDefinition: StorageKey, childType: u32, key: StorageKey, at?: BlockHash): Hash

  • interface: api.rpc.state.getChildStorageHash
  • jsonrpc: state_getChildStorageHash
  • summary: Retrieves the child storage hash

getChildStorageSize(childStorageKey: StorageKey, childDefinition: StorageKey, childType: u32, key: StorageKey, at?: BlockHash): u64

  • interface: api.rpc.state.getChildStorageSize
  • jsonrpc: state_getChildStorageSize
  • summary: Retrieves the child storage size

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

  • interface: api.rpc.state.getKeys
  • jsonrpc: state_getKeys
  • summary: Retrieves the keys with a certain prefix

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

  • interface: api.rpc.state.getKeysPaged
  • jsonrpc: state_getKeysPaged
  • 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, leave empty to get all the keys (deprecated: Use getKeysPaged)

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
  • summary: Get the runtime version

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

  • interface: api.rpc.state.getStorage
  • jsonrpc: state_getStorage
  • summary: Retrieves the storage for a key

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

  • interface: api.rpc.state.getStorageHash
  • jsonrpc: state_getStorageHash
  • summary: Retrieves the storage hash

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

  • interface: api.rpc.state.getStorageSize
  • jsonrpc: state_getStorageSize
  • summary: Retrieves the storage size

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

  • interface: api.rpc.state.queryStorage
  • jsonrpc: state_queryStorage
  • summary: Query 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: Query 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

trieMigrationStatus(at?: BlockHash): MigrationStatusResult

  • interface: api.rpc.state.trieMigrationStatus
  • jsonrpc: state_trieMigrationStatus
  • summary: Check current migration state

syncstate

genSyncSpec(raw: bool): Json

  • interface: api.rpc.syncstate.genSyncSpec
  • jsonrpc: sync_state_genSyncSpec
  • summary: Returns the json-serialized chainspec running the node, with a sync state.

system

accountNextIndex(accountId: AccountId): Index

  • interface: api.rpc.system.accountNextIndex
  • jsonrpc: system_accountNextIndex
  • summary: Retrieves the next accountIndex as available on the node

addLogFilter(directives: Text): Null

  • interface: api.rpc.system.addLogFilter
  • jsonrpc: system_addLogFilter
  • summary: Adds the supplied directives to the current log filter

addReservedPeer(peer: Text): Text

  • interface: api.rpc.system.addReservedPeer
  • jsonrpc: system_addReservedPeer
  • summary: Adds a reserved peer

chain(): Text

  • interface: api.rpc.system.chain
  • jsonrpc: system_chain
  • summary: Retrieves the chain

chainType(): ChainType

  • interface: api.rpc.system.chainType
  • jsonrpc: system_chainType
  • summary: Retrieves the chain type

dryRun(extrinsic: Bytes, at?: BlockHash): ApplyExtrinsicResult

  • interface: api.rpc.system.dryRun
  • jsonrpc: system_dryRun
  • summary: Dry run an extrinsic at a given block

health(): Health

  • interface: api.rpc.system.health
  • jsonrpc: system_health
  • summary: Return health status of the node

localListenAddresses(): Vec<Text>

  • interface: api.rpc.system.localListenAddresses
  • jsonrpc: system_localListenAddresses
  • summary: The addresses include a trailing /p2p/ with the local PeerId, and are thus suitable to be passed to addReservedPeer or as a bootnode address for example

localPeerId(): Text

  • interface: api.rpc.system.localPeerId
  • jsonrpc: system_localPeerId
  • summary: Returns the base58-encoded PeerId of the node

name(): Text

  • interface: api.rpc.system.name
  • jsonrpc: system_name
  • summary: Retrieves the node name

networkState(): NetworkState

  • interface: api.rpc.system.networkState
  • jsonrpc: system_networkState
  • summary: Returns current state of the network

nodeRoles(): Vec<NodeRole>

  • interface: api.rpc.system.nodeRoles
  • jsonrpc: system_nodeRoles
  • summary: Returns the roles the node is running as

peers(): Vec<PeerInfo>

  • interface: api.rpc.system.peers
  • jsonrpc: system_peers
  • summary: Returns the currently connected peers

properties(): ChainProperties

  • interface: api.rpc.system.properties
  • jsonrpc: system_properties
  • summary: Get a custom set of properties as a JSON object, defined in the chain spec

removeReservedPeer(peerId: Text): Text

  • interface: api.rpc.system.removeReservedPeer
  • jsonrpc: system_removeReservedPeer
  • summary: Remove a reserved peer

reservedPeers(): Vec<Text>

  • interface: api.rpc.system.reservedPeers
  • jsonrpc: system_reservedPeers
  • summary: Returns the list of reserved peers

resetLogFilter(): Null

  • interface: api.rpc.system.resetLogFilter
  • jsonrpc: system_resetLogFilter
  • summary: Resets the log filter to Substrate defaults

syncState(): SyncState

  • interface: api.rpc.system.syncState
  • jsonrpc: system_syncState
  • summary: Returns the state of the syncing of the node

version(): Text

  • interface: api.rpc.system.version
  • jsonrpc: system_version
  • summary: Retrieves the version of the node