chain_getFinalisedHead

Get hash of the last finalised block in the canon chain.

To retrieve the hash of the most recent finalized block in the canonical blockchain, use the chain_getFinalisedHead method. This feature is essential in situations where it's important to monitor the chain's eventual progression. Its lack of parameters makes obtaining the hash of the most recent finished block easier.

Example Request and Result for chain_getFinalisedHead method

In this section, we provide an illustrative example of a request made to retrieve details contents using the chain_getFinalisedHead method. Additionally, we present the resulting response containing information about the block hash for a specified block.

Parameters

• none

The example in this section uses a non-existing project id.

Make sure you replace it with your Vara Mainnet endpoint when issuing the API calls.

Don't have a project id? Here's a straightforward guide on how to obtain one!

Get hash of the last finalised block in the canon chain.

POST https://vara-mainnet.blastapi.io/<project-id>

Request Body

Name	Type	Description
blocknumber*	string	5419126

200: OK Expand for a detailed response example

{
    "jsonrpc": "2.0",
    "result": "0x39796abd1503188bdd9f0c82591863cab5bd24db3d263dae69c67a4c01cbedd7",
    "id": 1
}

Curl Request example

curl --location 'https://vara-mainnet.blastapi.io/<project-id>' \
--header 'Content-Type: application/json' \
--data '{
    "jsonrpc": "2.0",
    "method": "chain_getFinalisedHead",
    "params": ["5419126"],
    "id": 1
}'