Simulate

Simulate simulates executing a transaction for estimating gas usage.

post

Body

SimulateRequest is the request type for the Service.Simulate RPC method.

txobjectoptional

tx is the transaction to simulate. Deprecated. Send raw tx bytes instead.

tx_bytesstring · byteoptional

tx_bytes is the raw transaction.

Since: cosmos-sdk 0.43

Responses

application/json

application/json

cURL

JavaScript

Python

HTTP

cURL

curl -L \
  --request POST \
  --url 'https://fet.nownodes.io/cosmos/tx/v1beta1/simulate' \
  --header 'Content-Type: application/json' \
  --data '{
    "tx": {
      "body": {
        "messages": [
          {
            "type_url": "text",
            "value": "Ynl0ZXM="
          }
        ],
        "memo": "text",
        "timeout_height": "text",
        "unordered": true,
        "extension_options": [
          {
            "type_url": "text",
            "value": "Ynl0ZXM="
          }
        ],
        "non_critical_extension_options": [
          {
            "type_url": "text",
            "value": "Ynl0ZXM="
          }
        ]
      },
      "auth_info": {
        "signer_infos": [
          {
            "public_key": {
              "type_url": "text",
              "value": "Ynl0ZXM="
            },
            "mode_info": {
              "single": {
                "mode": "SIGN_MODE_UNSPECIFIED"
              },
              "multi": "[Circular Reference]"
            },
            "sequence": "text"
          }
        ],
        "fee": {
          "amount": [
            {
              "denom": "text",
              "amount": "text"
            }
          ],
          "gas_limit": "text",
          "payer": "text",
          "granter": "text"
        },
        "tip": {
          "amount": [
            {
              "denom": "text",
              "amount": "text"
            }
          ],
          "tipper": "text"
        }
      },
      "signatures": [
        "Ynl0ZXM="
      ]
    },
    "tx_bytes": "Ynl0ZXM="
  }'

200

default

200

{
  "gas_info": {
    "gas_wanted": "text",
    "gas_used": "text"
  },
  "result": {
    "data": "Ynl0ZXM=",
    "log": "text",
    "events": [
      {
        "type": "text",
        "attributes": [
          {
            "key": "text",
            "value": "text",
            "index": true
          }
        ]
      }
    ],
    "msg_responses": [
      {
        "type_url": "text",
        "value": "Ynl0ZXM="
      }
    ]
  }
}

A successful response.