Get the Hash of a Signed Transaction

POST

https://ada.nownodes.io/construction/hash

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

TransactionHash returns the network-specific transaction hash for a signed transaction.

Body

application/json

Request value.

network_identifierNetworkIdentifierrequired

Rosetta network identifier object.

Show child attributes

blockchainstringrequired

Blockchain value.

networkstringrequired

If a blockchain has a specific chain-id or network identifier, it should go in this field. It is up to the client to determine which network-specific identifier is mainnet, preprod, or preview.

sub_network_identifierSubNetworkIdentifier

Sub Network Identifier value.

Show child attributes

networkstringrequired

Network value.

metadataobject

Additional metadata object.

signed_transactionstringrequired

Signed Transaction value.

Response

200OK

HTTP 200 response for constructionHash.

400Bad Request

Bad Request. The request is malformed or contains invalid parameters.

401Unauthorized

Unauthorized: API key is present but rejected by the NOWNodes gateway.

422Unprocessable Entity

Missing API key. The NOWNodes gateway returns plain text for this error.

500Internal Server Error

Internal Server Error. The gateway or backend failed while processing the request.

Get the Hash of a Signed Transaction

curl -X POST 'https://ada.nownodes.io/construction/hash' \
  -H 'Content-Type: application/json' \
  -d '{
    "network_identifier": {
      "blockchain": "cardano",
      "network": "mainnet",
      "sub_network_identifier": {
        "network": "shard 1",
        "metadata": {
          "producer": "0x52bc44d5378309ee2abf1539bf71de1b7d7be3b5"
        }
      }
    },
    "signed_transaction": "04cba8a56386ee2a23563e8f05b6e80c7074b56b099945abaecae8040c3b1650"
  }'

const response = await fetch('https://ada.nownodes.io/construction/hash', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "network_identifier": {
        "blockchain": "cardano",
        "network": "mainnet",
        "sub_network_identifier": {
          "network": "shard 1",
          "metadata": {
            "producer": "0x52bc44d5378309ee2abf1539bf71de1b7d7be3b5"
          }
        }
      },
      "signed_transaction": "04cba8a56386ee2a23563e8f05b6e80c7074b56b099945abaecae8040c3b1650"
    }),
});

const data = await response.json();

require 'net/http'
require 'json'

uri = URI('https://ada.nownodes.io/construction/hash')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "network_identifier": {
      "blockchain": "cardano",
      "network": "mainnet",
      "sub_network_identifier": {
        "network": "shard 1",
        "metadata": {
          "producer": "0x52bc44d5378309ee2abf1539bf71de1b7d7be3b5"
        }
      }
    },
    "signed_transaction": "04cba8a56386ee2a23563e8f05b6e80c7074b56b099945abaecae8040c3b1650"
  }'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(request) }
data = JSON.parse(response.body)

import requests

payload = {
  "network_identifier": {
    "blockchain": "cardano",
    "network": "mainnet",
    "sub_network_identifier": {
      "network": "shard 1",
      "metadata": {
        "producer": "0x52bc44d5378309ee2abf1539bf71de1b7d7be3b5"
      }
    }
  },
  "signed_transaction": "04cba8a56386ee2a23563e8f05b6e80c7074b56b099945abaecae8040c3b1650"
}

response = requests.post('https://ada.nownodes.io/construction/hash', json=payload)
data = response.json()

const response = await fetch('https://ada.nownodes.io/construction/hash', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "network_identifier": {
        "blockchain": "cardano",
        "network": "mainnet",
        "sub_network_identifier": {
          "network": "shard 1",
          "metadata": {
            "producer": "0x52bc44d5378309ee2abf1539bf71de1b7d7be3b5"
          }
        }
      },
      "signed_transaction": "04cba8a56386ee2a23563e8f05b6e80c7074b56b099945abaecae8040c3b1650"
    }),
});

const data = await response.json();

const endpoint = "https://ada.nownodes.io/construction/hash";
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({
    "network_identifier": {
      "blockchain": "cardano",
      "network": "mainnet",
      "sub_network_identifier": {
        "network": "shard 1",
        "metadata": {
          "producer": "0x52bc44d5378309ee2abf1539bf71de1b7d7be3b5"
        }
      }
    },
    "signed_transaction": "04cba8a56386ee2a23563e8f05b6e80c7074b56b099945abaecae8040c3b1650"
  });
console.log(result);

const response = await fetch('https://ada.nownodes.io/construction/hash', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
      "network_identifier": {
        "blockchain": "cardano",
        "network": "mainnet",
        "sub_network_identifier": {
          "network": "shard 1",
          "metadata": {
            "producer": "0x52bc44d5378309ee2abf1539bf71de1b7d7be3b5"
          }
        }
      },
      "signed_transaction": "04cba8a56386ee2a23563e8f05b6e80c7074b56b099945abaecae8040c3b1650"
    }),
});

const data = await response.json();

import requests

payload = {
  "network_identifier": {
    "blockchain": "cardano",
    "network": "mainnet",
    "sub_network_identifier": {
      "network": "shard 1",
      "metadata": {
        "producer": "0x52bc44d5378309ee2abf1539bf71de1b7d7be3b5"
      }
    }
  },
  "signed_transaction": "04cba8a56386ee2a23563e8f05b6e80c7074b56b099945abaecae8040c3b1650"
}

response = requests.post('https://ada.nownodes.io/construction/hash', json=payload)
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://ada.nownodes.io/construction/hash')
request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request.body = '{
    "network_identifier": {
      "blockchain": "cardano",
      "network": "mainnet",
      "sub_network_identifier": {
        "network": "shard 1",
        "metadata": {
          "producer": "0x52bc44d5378309ee2abf1539bf71de1b7d7be3b5"
        }
      }
    },
    "signed_transaction": "04cba8a56386ee2a23563e8f05b6e80c7074b56b099945abaecae8040c3b1650"
  }'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(request) }
data = JSON.parse(response.body)

Request Body

{
  "network_identifier": {
    "blockchain": "cardano",
    "network": "mainnet",
    "sub_network_identifier": {
      "network": "shard 1",
      "metadata": {
        "producer": "0x52bc44d5378309ee2abf1539bf71de1b7d7be3b5"
      }
    }
  },
  "signed_transaction": "04cba8a56386ee2a23563e8f05b6e80c7074b56b099945abaecae8040c3b1650"
}

{
  "transaction_identifier": {
    "hash": "04cba8a56386ee2a23563e8f05b6e80c7074b56b099945abaecae8040c3b1650"
  }
}

{
  "code": 4000,
  "message": "Invalid request",
  "retriable": false
}

{
  "status_code": 400,
  "message": "Bad Request",
  "error": "bad_request"
}

Unknown API_key

Missing API_key

{
  "status_code": 500,
  "message": "Internal Server Error",
  "error": "internal_server_error"
}