Parameters

subscription

string

Allows the client to manage the subscription

Returns

parentHash

string

The hash of the parent block header

number

string

The block number of the current header

stateRoot

string

The hash of the state root of the current header

extrinsicsRoot

string

The hash of the extrinsics root of the current header

digest

object

An object containing additional information about the header, such as logs

logs

array

An array of log messages associated with the header

Request

1
wscat -c  \
2
# wait for connection 
3
{"id":1,"jsonrpc":"2.0","method":"chain_subscribeFinalizedHeads","params":[]}

1
wscat -c  \
2
# wait for connection 
3
{"id":1,"jsonrpc":"2.0","method":"chain_subscribeFinalizedHeads","params":[]}

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