Parameters

Object - Transaction call object containing the following fields:

Item Name	Data Type	Description
`from`	`DATA`, 20 Bytes	Sender's address.
`to`	`DATA`, 20 Bytes	Receiver's address.
`gas`	`QUANTITY`	Fee limit. Retained for Ethereum compatibility; ignored by TRON.
`gasPrice`	`QUANTITY`	Energy price. Retained for Ethereum compatibility; ignored by TRON.
`value`	`QUANTITY`	Amount of TRX sent via `call_value`. (Unit: sun)
`data`	`DATA`	Function selector along with ABI-encoded parameters.

Returns

QUANTITY - Amount of Energy used.

Example

Request

curl -X POST 'https://api.shasta.trongrid.io/jsonrpc' --data '{
	"jsonrpc": "2.0",
	"id": 1,
	"method": "eth_estimateGas",
	"params": [{
		"from": "0x41F0CC5A2A84CD0F68ED1667070934542D673ACBD8",
		"to": "0x4170082243784DCDF3042034E7B044D6D342A91360",
		"gas": "0x01",
		"gasPrice": "0x8c",
		"value": "0x01",
		"data": "0x70a08231000000000000000000000041f0cc5a2a84cd0f68ed1667070934542d673acbd8"
	}]
}'

Response

{"jsonrpc":"2.0","id":1,"result":"0x0"}