Chain

Method Name: getBlock

Parameters: Hash - BlockHash

Return Type: SignedBlock​

• interface: api.rpc.chain.getBlock

• jsonrpc: chain_getBlock

The getBlock method gets the header and body of a relay chain block for the given parameter Hash.

Method Name: getBlockHash

Parameters: blockNumber - BlockNumber

Return Type: BlockHash

• interface: api.rpc.chain.getBlockHash

• jsonrpc: chain_getBlockHash

The getBlockHash method gets the block hash for a specific block for the given parameter BlockHash​.

Method Name : getFinalizedHead

Parameters: -

Return Type: BlockHash​

• interface: api.rpc.chain.getFinalizedHead

• jsonrpc: chain_getFinalizedHead

The getFinalizedHead method gets the hash of the last finalised block in the canon chain​.

Method Name: getHeader

Parameter: hash - BlockHash

Return Type: Header​

• interface: api.rpc.chain.subscribeAllHeads

• jsonrpc: chain_subscribeAllHeads

The getHeader method retrieves the header for a specific block.

Method Name: subscribeAllHeads

Parameters: -

Return Type: Header​

• interface: api.rpc.chain.subscribeAllHeads

• jsonrpc: chain_subscribeAllHeads

The getHeader method retrieves the header for a specific block.

Method Name: subscribeFinalizedHeads

Parameter -

Return Type: Header​

• interface: api.rpc.chain.subscribeFinalizedHeads

• jsonrpc: chain_subscribeFinalizedHeads

The subscribeFinalizedHeads method retrieves the best finalized header via subscription.

Method Name: subscribeNewHeads

Parameter: -

Return Type: Header​

• interface: api.rpc.chain.subscribeNewHeads

• jsonrpc: chain_subscribeNewHeads

The subscribeNewHeads method retrieves the best header via subscription.