Parameters

Object - The transaction call object
- from: DATA, 20 Bytes - (optional) The address the transaction is sent from.
- to: DATA, 20 Bytes - The address the transaction is directed to.
- gas: QUANTITY - (optional) Integer of the gas provided for the transaction execution. eth_call consumes zero gas, but this parameter may be needed by some executions.
- gasPrice: QUANTITY - (optional) Integer of the gasPrice used for each paid gas
- value: QUANTITY - (optional) Integer of the value sent with this transaction
- data: DATA - (optional) Hash of the method signature and encoded parameters. For details see Ethereum Contract ABI in the Solidity documentation.
QUANTITY|TAG - integer block number, or the string "latest", "earliest" or "pending", see the default block parameter

curl --request POST \
     --url https://ethereum-mainnet-rpc.allthatnode.com/8U3JLUhzIDg3GShvy9hkCCSYkLGc11kj \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "eth_estimateGas",
  "params": [
    {
    "from": "0x17c0f36f80A6ed37F09650C52f24C76a396eDf18",
    "to": "0x7C4CBc1C8CB34e3AE021E66EfDa4C69D759fF499",
    "data": "0x608060806080608155"
    },
    "latest"
  ]
}
'

Returns

QUANTITY - the amount of gas used.

{"jsonrpc":"2.0","id":1,"result":"0x5298"}

Parameters

Returns

Try yourself