Filecoin.ChainGetBlock

POST

https://fil.nownodes.io/rpc/v1

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Returns the block header identified by the given CID. The block header contains all consensus-critical fields including miner address, tickets, election proof, parent links, state roots, and signatures.

Body

application/json

jsonrpcstringrequired

JSON-RPC protocol version. Must always be "2.0".

methodstringrequired

The name of the JSON-RPC method to invoke.

paramsArray<object>required

Ordered list of parameters. Contains a single CID object identifying the block to retrieve.

Show child attributes

/string

The CID string of the block header, encoded as a base32 CIDv1 (dag-cbor + blake2b-256).

idintegerrequired

An identifier for this JSON-RPC request.

Response

200OK

Successful response containing the full block header.

Filecoin.ChainGetBlock

curl -X POST 'https://fil.nownodes.io/rpc/v1' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "Filecoin.ChainGetBlock",
    "params": [
      {
        "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
      }
    ],
    "id": 1
  }'

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://fil.nownodes.io/rpc/v1");
const result = await provider.send("Filecoin.ChainGetBlock", [
  {
    "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
  }
]);
console.log(result);

require 'eth'
require 'json'
require 'net/http'

uri = URI('https://fil.nownodes.io/rpc/v1')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
  "jsonrpc": "2.0",
  "method": "Filecoin.ChainGetBlock",
  "params": [
    {
      "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
    }
  ],
  "id": 1
}'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) do |http|
  http.request(request)
end

puts JSON.parse(response.body)

from web3 import Web3

w3 = Web3(Web3.HTTPProvider("https://fil.nownodes.io/rpc/v1"))
response = w3.provider.make_request("Filecoin.ChainGetBlock", [
  {
    "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
  }
])
print(response)

import { createPublicClient, http } from "viem";

const client = createPublicClient({
  transport: http("https://fil.nownodes.io/rpc/v1"),
});

const result = await client.request({
  method: "Filecoin.ChainGetBlock",
  params: [
  {
    "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
  }
],
});

console.log(result);

const endpoint = "https://fil.nownodes.io/rpc/v1";
const apiKey = "YOUR_API_KEY";

async function nownodesRequest(payload) {
  const response = await fetch(endpoint, {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "api-key": apiKey,
    },
    body: JSON.stringify(payload),
  });

  return response.json();
}

const result = await nownodesRequest({ jsonrpc: "2.0", method: "Filecoin.ChainGetBlock", params: [
  {
    "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
  }
], id: 1 });
console.log(result);

const response = await fetch('https://fil.nownodes.io/rpc/v1', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "Filecoin.ChainGetBlock",
      "params": [
        {
          "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
        }
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "Filecoin.ChainGetBlock",
  "params": [
    {
      "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
    }
  ],
  "id": 1
}

response = requests.post('https://fil.nownodes.io/rpc/v1', json=payload)
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://fil.nownodes.io/rpc/v1')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "jsonrpc": "2.0",
    "method": "Filecoin.ChainGetBlock",
    "params": [
      {
        "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
      }
    ],
    "id": 1
  }'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(request) }
data = JSON.parse(response.body)

Request Body

{
  "jsonrpc": "2.0",
  "method": "Filecoin.ChainGetBlock",
  "params": [
    {
      "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
    }
  ],
  "id": 1
}

200

{
  "id": 1,
  "jsonrpc": "2.0",
  "result": {
    "Miner": "f02002827",
    "Ticket": {
      "VRFProof": "kcj56CB0589LTIvi052OCQ5ZeHI4pt3XUYtzLe40IyPyH3GQ4r47GMgD4DIfbHn9AcCDAHWfegEnm7gGVrzb/YLF3Tkcraslu1B2KiBd8DBQAz7rcF1tl8twcRRlW3Ad"
    },
    "ElectionProof": {
      "WinCount": 1,
      "VRFProof": "leF4NJylq3HbjG9nobNZyJlqkvG8T6K+5NpKL4VKZov+W+rQBssQQHXJ6+QsH8xVEDm+agfzHnGRVjeD1q/yCVpZa7odv8oJvO0ocHfRKnFQwSE+Bjgi82P/hOWmU/OL"
    },
    "BeaconEntries": [
      {
        "Round": 3595845,
        "Data": "puCJLBYbDtfh9v8W+ibQCosioetEi8JhLJ0J72NFJ4RR+u2dXfZSqfbGVRbf+BEsDN8CprLwUbOaMiW8lpZCHBkBbRiZleD9ebe6ErKX+lph26A6Osan29JGUfc2lITN"
      }
    ],
    "WinPoStProof": [
      {
        "PoStProof": 3,
        "ProofBytes": "uXxtjKmWCoPL6CAziWzCPlZaUQBgIxpp+GhPPvKj7oqzga9v3YShfOEL3jrsDuF5pFPBTn0fxlpe+bDsa5bILwMe89eJnCLCbt3IJHzAxkglDwp3bo+85KYwT7rN3zd6FZOoXfvgNdiVghN1N/l1Jgdh+mTwQhLqoa1UbgqRKnkzdVBB3FZTSGfEpGXrru/wsLgSKd3Zz3c4hUsgBJdO86WQPFaO0IFUzO9GDxS5lRhb51pU9EJzh1+thL9ypewe"
      }
    ],
    "Parents": [
      {
        "/": "bafy2bzacecp4opy4aewg6pajgni4qx5v3seofld5siocrwsszs66hbikd7bgo"
      },
      {
        "/": "bafy2bzaced4au4ib7c5mnm7ycgnougjgyc75w5vqktstllmayczwy7vrn4hyy"
      }
    ],
    "ParentWeight": "82903725898",
    "Height": 3500000,
    "ParentStateRoot": {
      "/": "bafy2bzacedhvvhg6wki77oakvpseypz4rsi52mzoau4qfgz4j6ooggpsmw3a6"
    },
    "ParentMessageReceipts": {
      "/": "bafy2bzaceaez4xikmcawdywsp5y3uepvh7nwyownkjksr6gyqaipz5xyxhnso"
    },
    "Messages": {
      "/": "bafy2bzacebxsunkmy3a3eye6k5eiw6eozukupphsvgdhtdgpfuxck6nfbu2xa"
    },
    "BLSAggregate": {
      "Type": 2,
      "Data": "rPybpYr4T9+d+6NoYKMqM+SWId0T2gKJFkDaI1tggDE1kWtbRWACiqhoiOsCaDT9CjHchsC7P5+jMWt3m+Vv0SL2vwRkf8haC//KZY0Gh3dQ+gvuH71umWreahUw8lfB"
    },
    "Timestamp": 1703306400,
    "BlockSig": {
      "Type": 2,
      "Data": "llqBnyFtcdNiolJlBCPk8Y++vIDQ/LKcEwWSPPTTqu5/d1RDrFkfQvujGVL/edW6Dcel0UwnNvnunoc+hqWfFsK2n7Oufu73pX6IVhFHRebd2srtAm64kIvkfb81t7j2"
    },
    "ForkSignaling": 0,
    "ParentBaseFee": "100"
  }
}

Documentation

How to migrate to NOWNodes

Filecoin.ChainGetBlock

Authorizations

Body

Response