Simulate

Simulate simulates executing a transaction for estimating gas usage.

POST/cosmos/tx/v1beta1/simulate

Body

application/json

txobject

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

tx_bytesstring (byte)

tx_bytes is the raw transaction.

Since: cosmos-sdk 0.43

Response

200default

A successful response.

Body

application/json

gas_infoobject

gas_info is the information about gas used in the simulation.

resultobject

result is the result of the simulation.

Request

JavaScriptCurl

const response = await fetch('/cosmos/tx/v1beta1/simulate', {
    method: 'POST',
    headers: {
      "Content-Type": "application/json"
    },
    body: JSON.stringify({}),
});
const data = await response.json();

Response

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