Get Gas Limit#
Retrieve estimated Gas Limit consumption through pre-execution of transaction information. Currently supports only EVM networks.
Request Path#
GET https://www.okx.com/api/waas/wallet/pre-transaction/gas-limit
Request Parameters#
| Parameter | Type | Required | Description |
|---|---|---|---|
| chainIndex | String | Yes | Unique identifier for the chain |
| fromAddr | String | Yes | From address |
| toAddr | String | Yes | To address |
| txAmount | String | No | Amount of main chain coins for the transaction. Default is 0. Required for mainnet transfers to calculate gaslimit properly. |
| extJson | Object | No | Additional parameters for calldata and other information |
extJson
| Parameter | Type | Required | Description |
|---|---|---|---|
| inputData | String | No | Calldata |
Response Parameters#
| Parameter | Type | Description |
|---|---|---|
| gasLimit | String | Estimated gas limit |
Request Example#
shell
curl --location --request POST 'https://www.okx.com/api/v5/waas/wallet/pre-transaction/gas-limit?chainIndex=1&fromAddr=oxsieeelxd&toAddr=ekljljlnbc&txAmount=1&extJson="xxx"' \
--header 'Content-Type: application/json' \
--header 'OK-ACCESS-PROJECT: 86af********d1bc' \
--header 'OK-ACCESS-KEY: 37c541a1-****-****-****-10fe7a038418' \
--header 'OK-ACCESS-SIGN: leaV********3uw=' \
--header 'OK-ACCESS-PASSPHRASE: 1****6' \
--header 'OK-ACCESS-TIMESTAMP: 2023-10-18T12:21:41.274Z' \
--data-raw '{
"fromAddr": "0x383c8208b4711256753b70729ba0cf0cda55efad",
"toAddr": "0x4ad041bbc6fa102394773c6d8f6d634320773af4",
"txAmount": "31600000000000000",
"chainIndex": "3",
"extJson": {
"inputData":"041bbc6fa102394773c6d8f6d634320773af4"
}
}'
Response Example#
200
{
"code": "0",
"data": [
{
"gasLimit": "652683"
}
],
"msg": ""
}