Import
import { useCheckWaasFeeOptions } from '@0xsequence/connect'
Usage
import { useCheckWaasFeeOptions } from '@0xsequence/connect'
function App() {
const checkFeeOptions = useCheckWaasFeeOptions()
const handleTransaction = async () => {
// Example transaction
const transaction = {
to: '0x...',
value: '1000000000000000000', // 1 ETH
data: '0x...'
}
const { isSponsored, feeOptions, feeQuote } = await checkFeeOptions({
transactions: [transaction],
chainId: 1 // Ethereum Mainnet
})
if (isSponsored) {
console.log('Transaction is sponsored!')
} else if (feeOptions) {
console.log('Available fee options:', feeOptions)
console.log('Fee quote:', feeQuote)
// Handle fee payment selection
}
}
return (
<div>
<button onClick={handleTransaction}>
Check Transaction Fees
</button>
</div>
)
}
Return Type
The hook returns a function with the following signature:
(params: {
transactions: Transaction[]
chainId: number
}) => Promise<{
feeQuote: string | undefined
feeOptions: FeeOption[] | undefined
isSponsored: boolean
}>
Parameters
transactions
Transaction[]
Array of transactions to check fee options for.
interface Transaction {
to: string
value?: string
data?: string
// ... other transaction properties
}
chainId
number
The ID of the blockchain network where the transaction will be executed.
Return Object Properties
boolean
Indicates whether the transaction will be sponsored (true) or requires fee payment (false).
feeOptions
FeeOption[] | undefined
Available fee payment options if the transaction is not sponsored.
interface FeeOption {
token: {
symbol: string
decimals: number
address: string
}
// ... other fee option properties
}
feeQuote
string | undefined
The fee quote for the transaction if available.
Notes
This hook is specifically designed for use with Sequence WaaS (Wallet as a Service) and provides functionality to:
- Check if a transaction will be sponsored
- Get available fee options for unsponsored transactions
- Retrieve fee quotes for transactions
