Estimate Gas
EstimateGas(tx map[string]interface{}) (string, error) Generates and returns an estimate of how much gas is necessary to allow the transaction to complete.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
tx | map[string]interface{} | ✓ | Transaction object (to, data, value) |
Returns
Type:
string Estimated gas amount (hex)
Examples
Estimate transfer cost
tx := map[string]interface{}{
"to": "0x...",
"value": "0x1",
}
gas, _ := rpc.EstimateGas(tx)
fmt.Println("Gas needed:", gas)