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Generates an estimate of how much gas will be necessary to process a transaction on the blockchain. Generally the estimate is significantly greater than the actual gas used. The transaction will not be added to the blockchain.

DataObject<Transaction>The transaction object.
type Transaction = {
from: Address // The account the transaction is sent from.
to?: Address // The transaction recipient.
gas?: Number ?? 90000 // Gas units provided for transaction executon. It will return unused gas.
gasPrice?: Number ?? currentGasPrice() // WEI paid for each gas unit used.
value?: Number // WEI sent with this transaction to the recipient.
data?: HexData // Encoded contract call data.
Return Type

HexString<Integer> - Estimate in gas units.

await provider.request({
method: "eth_estimateGas",
params: [
from: "0xb60e8dd61c5d32be8058bb8eb970870f07233155",
to: "0xd46e8dd67c5d32be8058bb8eb970870f07244567",
gas: "0x76c0",
gasPrice: "0x9184e72a000",
value: "0x9184e72a",
data: "0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675",
// "0x5cec"