getLightningSendFeeEstimate

interface LightningSendFeeEstimateInput {
  encodedInvoice: string;
  amountSats?: number;
}

async getLightningSendFeeEstimate(params: LightningSendFeeEstimateInput): Promise<number>

const feeEstimate = await wallet.getLightningSendFeeEstimate({
  encodedInvoice: "lnbc..."
});
console.log("Estimated fee:", feeEstimate, "sats");