Filecoin.StateReplay

POST

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

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Changed. A null element inside the tipset key array is now rejected with an error; before, it was silently dropped. To use the current head, pass an empty array [] or null for the whole key. Re-executes a message that was already included in the chain to retrieve detailed execution information including traces and gas costs. Unlike StateSearchMsg which returns the stored receipt, StateReplay actually re-runs the execution providing full traces for debugging and analysis.

Body

application/json

jsonrpcstringrequired

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

methodstringrequired

The name of the JSON-RPC method to invoke.

paramsArray<Array<object> | object>required

Ordered list containing the tipset key for execution context and the message CID to replay.

Show child attributes

One of

Array<object> | null

Show child attributes

/string

Block CID.

/string

Message CID.

idintegerrequired

An identifier for this JSON-RPC request.

Response

200OK

Successful response with execution replay results. Structure is identical to StateCall response including message, receipt, gas costs, and full execution traces.

Filecoin.StateReplay

curl -X POST 'https://fil.nownodes.io/rpc/v1' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "Filecoin.StateReplay",
    "params": [
      [
        {
          "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
        }
      ],
      {
        "/": "bafy2bzaceaxm23epjsmh75yvzcecsrbavlmkcxnva66bkdebdcnyw3bjrc74u"
      }
    ],
    "id": 1
  }'

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://fil.nownodes.io/rpc/v1");
const result = await provider.send("Filecoin.StateReplay", [
  [
    {
      "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
    }
  ],
  {
    "/": "bafy2bzaceaxm23epjsmh75yvzcecsrbavlmkcxnva66bkdebdcnyw3bjrc74u"
  }
]);
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.StateReplay",
  "params": [
    [
      {
        "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
      }
    ],
    {
      "/": "bafy2bzaceaxm23epjsmh75yvzcecsrbavlmkcxnva66bkdebdcnyw3bjrc74u"
    }
  ],
  "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.StateReplay", [
  [
    {
      "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
    }
  ],
  {
    "/": "bafy2bzaceaxm23epjsmh75yvzcecsrbavlmkcxnva66bkdebdcnyw3bjrc74u"
  }
])
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.StateReplay",
  params: [
  [
    {
      "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
    }
  ],
  {
    "/": "bafy2bzaceaxm23epjsmh75yvzcecsrbavlmkcxnva66bkdebdcnyw3bjrc74u"
  }
],
});

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.StateReplay", params: [
  [
    {
      "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
    }
  ],
  {
    "/": "bafy2bzaceaxm23epjsmh75yvzcecsrbavlmkcxnva66bkdebdcnyw3bjrc74u"
  }
], 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.StateReplay",
      "params": [
        [
          {
            "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
          }
        ],
        {
          "/": "bafy2bzaceaxm23epjsmh75yvzcecsrbavlmkcxnva66bkdebdcnyw3bjrc74u"
        }
      ],
      "id": 1
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "Filecoin.StateReplay",
  "params": [
    [
      {
        "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
      }
    ],
    {
      "/": "bafy2bzaceaxm23epjsmh75yvzcecsrbavlmkcxnva66bkdebdcnyw3bjrc74u"
    }
  ],
  "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.StateReplay",
    "params": [
      [
        {
          "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
        }
      ],
      {
        "/": "bafy2bzaceaxm23epjsmh75yvzcecsrbavlmkcxnva66bkdebdcnyw3bjrc74u"
      }
    ],
    "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.StateReplay",
  "params": [
    [
      {
        "/": "bafy2bzacecnamxgqmtss3ajur6zprk4oxwx7ic5g7xzt7y6f6ygcgse2e6uhq"
      }
    ],
    {
      "/": "bafy2bzaceaxm23epjsmh75yvzcecsrbavlmkcxnva66bkdebdcnyw3bjrc74u"
    }
  ],
  "id": 1
}

200

{
  "id": 1,
  "jsonrpc": "2.0",
  "result": {
    "MsgCid": {
      "/": "bafy2bzaceaxm23epjsmh75yvzcecsrbavlmkcxnva66bkdebdcnyw3bjrc74u"
    },
    "Msg": {
      "Version": 0,
      "To": "f01234",
      "From": "f1abjxfbp274xpdqcpuaykwkfb43omjotacm2p3za",
      "Nonce": 42,
      "Value": "1000000000000000000",
      "GasLimit": 10000000,
      "GasFeeCap": "1500000000",
      "GasPremium": "1000000",
      "Method": 0,
      "Params": null
    },
    "MsgRct": {
      "ExitCode": 0,
      "Return": null,
      "GasUsed": 435623,
      "EventsRoot": null
    },
    "GasCost": {
      "GasUsed": "435623",
      "BaseFeeBurn": "4356230000000",
      "OverEstimationBurn": "12345600000",
      "MinerPenalty": "0",
      "MinerTip": "435623000",
      "Refund": "95327740000000",
      "TotalCost": "4804476600000"
    },
    "ExecutionTrace": {
      "Msg": {
        "From": "f033259",
        "To": "f01234",
        "Value": "1000000000000000000",
        "Method": 0
      },
      "MsgRct": {
        "ExitCode": 0,
        "Return": null
      },
      "GasCharges": [],
      "Subcalls": null
    },
    "Error": "",
    "Duration": 45678901
  }
}