Replay one transaction and return requested traces

POST

https://eth-archive.nownodes.io/

Replays a historical transaction by transaction hash and returns the requested trace outputs.

Body

application/json

Replays a historical transaction by transaction hash and returns the requested trace outputs.

Request payload for trace_replayTransaction.

jsonrpcstring2.0required

JSON-RPC protocol version.

methodstringtrace_replayTransactionrequired

JSON-RPC method name.

idinteger | stringrequired

Client-provided JSON-RPC request identifier. The same value is returned in the response.

paramsArray<string | Array<TraceType>>required

Parameters: transaction hash and trace types.

Show child attributes

trace_replayTransaction positional parameter.

One of

Transaction hash to replay.

string

Array<TraceType>tracevmTracestateDiff

Response

200OK

Successful JSON-RPC response or JSON-RPC method error.

400Bad Request

Invalid HTTP request body or malformed JSON-RPC payload.

401Unauthorized

Missing or invalid API key.

500Internal Server Error

Internal server error.

Replay one transaction and return requested traces

curl -X POST 'https://eth-archive.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "trace_replayTransaction",
    "id": 1,
    "params": [
      "0x17104ac9d3312d8c136b7f44d4b8b47852618065ebfa534bd2d3b5ef218ca1f3",
      [
        "trace"
      ]
    ]
  }'

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://eth-archive.nownodes.io/");
const result = await provider.send("trace_replayTransaction", [
  "0x17104ac9d3312d8c136b7f44d4b8b47852618065ebfa534bd2d3b5ef218ca1f3",
  [
    "trace"
  ]
]);
console.log(result);

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

uri = URI('https://eth-archive.nownodes.io/')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
  "jsonrpc": "2.0",
  "method": "trace_replayTransaction",
  "params": [
    "0x17104ac9d3312d8c136b7f44d4b8b47852618065ebfa534bd2d3b5ef218ca1f3",
    [
      "trace"
    ]
  ],
  "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://eth-archive.nownodes.io/"))
response = w3.provider.make_request("trace_replayTransaction", [
  "0x17104ac9d3312d8c136b7f44d4b8b47852618065ebfa534bd2d3b5ef218ca1f3",
  [
    "trace"
  ]
])
print(response)

import { createPublicClient, http } from "viem";

const client = createPublicClient({
  transport: http("https://eth-archive.nownodes.io/"),
});

const result = await client.request({
  method: "trace_replayTransaction",
  params: [
  "0x17104ac9d3312d8c136b7f44d4b8b47852618065ebfa534bd2d3b5ef218ca1f3",
  [
    "trace"
  ]
],
});

console.log(result);

const endpoint = "https://eth-archive.nownodes.io/";
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: "trace_replayTransaction", params: [
  "0x17104ac9d3312d8c136b7f44d4b8b47852618065ebfa534bd2d3b5ef218ca1f3",
  [
    "trace"
  ]
], id: 1 });
console.log(result);

const response = await fetch('https://eth-archive.nownodes.io/', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "jsonrpc": "2.0",
      "method": "trace_replayTransaction",
      "id": 1,
      "params": [
        "0x17104ac9d3312d8c136b7f44d4b8b47852618065ebfa534bd2d3b5ef218ca1f3",
        [
          "trace"
        ]
      ]
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "trace_replayTransaction",
  "id": 1,
  "params": [
    "0x17104ac9d3312d8c136b7f44d4b8b47852618065ebfa534bd2d3b5ef218ca1f3",
    [
      "trace"
    ]
  ]
}

response = requests.post('https://eth-archive.nownodes.io/', json=payload)
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://eth-archive.nownodes.io/')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "jsonrpc": "2.0",
    "method": "trace_replayTransaction",
    "id": 1,
    "params": [
      "0x17104ac9d3312d8c136b7f44d4b8b47852618065ebfa534bd2d3b5ef218ca1f3",
      [
        "trace"
      ]
    ]
  }'

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",
  "id": 1,
  "method": "trace_replayTransaction",
  "params": [
    "0x17104ac9d3312d8c136b7f44d4b8b47852618065ebfa534bd2d3b5ef218ca1f3",
    [
      "trace"
    ]
  ]
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "output": "0x",
    "stateDiff": null,
    "trace": [
      {
        "action": {
          "callType": "call",
          "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
          "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
          "gas": "0x1dcd12f8",
          "input": "0x",
          "value": "0x186a0"
        },
        "result": {
          "gasUsed": "0x0",
          "output": "0x"
        },
        "subtraces": 0,
        "traceAddress": [],
        "type": "call"
      }
    ],
    "vmTrace": null
  }
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32602,
    "message": "Invalid params"
  }
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32600,
    "message": "Invalid Request"
  }
}

Documentation

How to migrate to NOWNodes

Replay one transaction and return requested traces

Body

Response