Execute multiple call traces on the same block context

POST

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

Performs multiple call traces on top of the same block. Each call is executed after the previous calls in the list, so call n observes state changes made by calls 0 through n-1.

Body

application/json

Performs multiple call traces on top of the same block. Each call is executed after the previous calls in the list, so call n observes state changes made by calls 0 through n-1.

Request payload for trace_callMany.

jsonrpcstring2.0required

JSON-RPC protocol version.

methodstringtrace_callManyrequired

JSON-RPC method name.

idinteger | stringrequired

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

paramsArray<Array<Array<any>> | string | string>required

Parameters: call trace list and optional block identifier.

Show child attributes

trace_callMany positional parameter.

One of

Array<Array<any>>

Ethereum block identifier accepted by the trace API.

One of

Block number encoded as a hexadecimal quantity, or a 32-byte block hash depending on method context.

string

Named Ethereum block tag.

stringlatestearliestpendingsafefinalized

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.

Execute multiple call traces on the same block context

curl -X POST 'https://eth-archive.nownodes.io/' \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "2.0",
    "method": "trace_callMany",
    "id": 1,
    "params": [
      [
        [
          {
            "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
            "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
            "value": "0x186a0"
          },
          [
            "trace"
          ]
        ],
        [
          {
            "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
            "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
            "value": "0x186a0"
          },
          [
            "trace"
          ]
        ]
      ],
      "latest"
    ]
  }'

import { JsonRpcProvider } from "ethers";

const provider = new JsonRpcProvider("https://eth-archive.nownodes.io/");
const result = await provider.send("trace_callMany", [
  [
    [
      {
        "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
        "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
        "value": "0x186a0"
      },
      [
        "trace"
      ]
    ],
    [
      {
        "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
        "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
        "value": "0x186a0"
      },
      [
        "trace"
      ]
    ]
  ],
  "latest"
]);
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_callMany",
  "params": [
    [
      [
        {
          "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
          "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
          "value": "0x186a0"
        },
        [
          "trace"
        ]
      ],
      [
        {
          "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
          "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
          "value": "0x186a0"
        },
        [
          "trace"
        ]
      ]
    ],
    "latest"
  ],
  "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_callMany", [
  [
    [
      {
        "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
        "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
        "value": "0x186a0"
      },
      [
        "trace"
      ]
    ],
    [
      {
        "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
        "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
        "value": "0x186a0"
      },
      [
        "trace"
      ]
    ]
  ],
  "latest"
])
print(response)

import { createPublicClient, http } from "viem";

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

const result = await client.request({
  method: "trace_callMany",
  params: [
  [
    [
      {
        "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
        "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
        "value": "0x186a0"
      },
      [
        "trace"
      ]
    ],
    [
      {
        "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
        "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
        "value": "0x186a0"
      },
      [
        "trace"
      ]
    ]
  ],
  "latest"
],
});

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_callMany", params: [
  [
    [
      {
        "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
        "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
        "value": "0x186a0"
      },
      [
        "trace"
      ]
    ],
    [
      {
        "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
        "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
        "value": "0x186a0"
      },
      [
        "trace"
      ]
    ]
  ],
  "latest"
], 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_callMany",
      "id": 1,
      "params": [
        [
          [
            {
              "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
              "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
              "value": "0x186a0"
            },
            [
              "trace"
            ]
          ],
          [
            {
              "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
              "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
              "value": "0x186a0"
            },
            [
              "trace"
            ]
          ]
        ],
        "latest"
      ]
    }),
});

const data = await response.json();

import requests

payload = {
  "jsonrpc": "2.0",
  "method": "trace_callMany",
  "id": 1,
  "params": [
    [
      [
        {
          "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
          "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
          "value": "0x186a0"
        },
        [
          "trace"
        ]
      ],
      [
        {
          "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
          "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
          "value": "0x186a0"
        },
        [
          "trace"
        ]
      ]
    ],
    "latest"
  ]
}

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_callMany",
    "id": 1,
    "params": [
      [
        [
          {
            "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
            "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
            "value": "0x186a0"
          },
          [
            "trace"
          ]
        ],
        [
          {
            "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
            "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
            "value": "0x186a0"
          },
          [
            "trace"
          ]
        ]
      ],
      "latest"
    ]
  }'

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_callMany",
  "params": [
    [
      [
        {
          "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
          "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
          "value": "0x186a0"
        },
        [
          "trace"
        ]
      ],
      [
        {
          "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
          "to": "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b",
          "value": "0x186a0"
        },
        [
          "trace"
        ]
      ]
    ],
    "latest"
  ]
}

{
  "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
    },
    {
      "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

Execute multiple call traces on the same block context

Body

Response