Filecoin.ChainGetGenesis

POST

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

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Returns the genesis tipset, which is the very first tipset at epoch 0 that bootstraps the entire Filecoin blockchain. The genesis block contains the initial state of the network including the initial actor balances, verified registry, and system actors.

Body

application/json

jsonrpcstringrequired

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

methodstringrequired

The name of the JSON-RPC method to invoke.

paramsArray<any>required

This method takes no parameters. The params array must be empty.

idintegerrequired

An identifier for this JSON-RPC request.

Response

200OK

Successful response containing the genesis tipset.

Filecoin.ChainGetGenesis

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

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://fil.nownodes.io/rpc/v1");
const result = await provider.send("Filecoin.ChainGetGenesis", []);
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.ChainGetGenesis",
  "params": [],
  "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.ChainGetGenesis", [])
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.ChainGetGenesis",
  params: [],
});

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.ChainGetGenesis", params: [], 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.ChainGetGenesis",
      "params": [],
      "id": 1
    }),
});

const data = await response.json();

import requests

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

200

{
  "id": 1,
  "jsonrpc": "2.0",
  "result": {
    "Cids": [
      {
        "/": "bafy2bzacecnamqgqmifpluoeldx7zzglxcljo6oja4vrmtj7432rphldpdmm2"
      }
    ],
    "Blocks": [
      {
        "Miner": "f00",
        "Ticket": {
          "VRFProof": "X4oDOWswmmD7fT0z3RNIPQVGS85f2dBhceeowoDiQhY="
        },
        "ElectionProof": {
          "WinCount": 0,
          "VRFProof": null
        },
        "BeaconEntries": [
          {
            "Round": 0,
            "Data": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="
          }
        ],
        "WinPoStProof": null,
        "Parents": [
          {
            "/": "bafyreiaqpwbbyjo4a42saasj36kkrpv4tsherf2e7bvezkert2a7dhonoi"
          }
        ],
        "ParentWeight": "0",
        "Height": 0,
        "ParentStateRoot": {
          "/": "bafy2bzacech3yb7xlb7c57v2xh7rvmt4skeidk7z2g36llksaz4biflblbt24"
        },
        "ParentMessageReceipts": {
          "/": "bafy2bzacedswlcz5ddgqnyo3sak3jmhmkxashisnlpq6ujgyhe4mlobzpnhs6"
        },
        "Messages": {
          "/": "bafy2bzacecmda75ovposbdateg7eyhwij65zklgyijgcjwynlklmqazpwlhba"
        },
        "BLSAggregate": null,
        "Timestamp": 1598306400,
        "BlockSig": null,
        "ForkSignaling": 0,
        "ParentBaseFee": "100000000"
      }
    ],
    "Height": 0
  }
}

Documentation

How to migrate to NOWNodes

Filecoin.ChainGetGenesis

Authorizations

Body

Response