Filecoin.ChainGetParentMessages

POST

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

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Returns all messages from the parent tipset of the given block CID. These are the messages that were executed to produce the state that the given block builds on top of. Each entry includes the message CID and the full message body.

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 whose parent messages to retrieve.

Show child attributes

/string

The CID string of the block.

idintegerrequired

An identifier for this JSON-RPC request.

Response

200OK

Successful response containing the parent tipset's messages.

Filecoin.ChainGetParentMessages

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

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://fil.nownodes.io/rpc/v1");
const result = await provider.send("Filecoin.ChainGetParentMessages", [
  {
    "/": "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.ChainGetParentMessages",
  "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.ChainGetParentMessages", [
  {
    "/": "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.ChainGetParentMessages",
  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.ChainGetParentMessages", 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.ChainGetParentMessages",
      "params": [
        {
          "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
        }
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

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

200

{
  "id": 1,
  "jsonrpc": "2.0",
  "result": [
    {
      "Cid": {
        "/": "bafy2bzaceaxm23epjsmh75yvzcecsrbavlmkcxnva66bkdebdcnyw3bjrc74u"
      },
      "Message": {
        "Version": 0,
        "To": "f01234",
        "From": "f1abjxfbp274xpdqcpuaykwkfb43omjotacm2p3za",
        "Nonce": 100,
        "Value": "0",
        "GasLimit": 10000000,
        "GasFeeCap": "101",
        "GasPremium": "100",
        "Method": 0,
        "Params": null,
        "CID": {
          "/": "bafy2bzaceaxm23epjsmh75yvzcecsrbavlmkcxnva66bkdebdcnyw3bjrc74u"
        }
      }
    }
  ]
}

Documentation

How to migrate to NOWNodes

Filecoin.ChainGetParentMessages

Authorizations

Body

Response