createHTLCReceiverSpendTx

Create a signed transaction to spend an HTLC as the receiver.

Creates a receiver spend transaction for an HTLC using the preimage.

Method Signature

async createHTLCReceiverSpendTx({
  htlcTx,
  hash,
  hashLockDestinationPubkey,
  sequenceLockDestinationPubkey,
  preimage,
  satsPerVbyteFee,
}: {
  htlcTx: string;
  hash: string;
  hashLockDestinationPubkey: string;
  sequenceLockDestinationPubkey: string;
  preimage: string;
  satsPerVbyteFee: number;
}): Promise<string>

Parameters

htlcTx · string · required

The HTLC transaction hex

hash · string · required

The hash used in the HTLC

hashLockDestinationPubkey · string · required

Public key for the hash lock destination

sequenceLockDestinationPubkey · string · required

Public key for the sequence lock destination

preimage · string · required

The preimage to unlock the HTLC

satsPerVbyteFee · number · required

Fee rate in sats per vbyte

Returns

txHex · string · required

The signed receiver spend transaction hex

Example

const txHex = await wallet.createHTLCReceiverSpendTx({
  htlcTx: "02000000...",
  hash: "abc123...",
  hashLockDestinationPubkey: "02...",
  sequenceLockDestinationPubkey: "03...",
  preimage: "secret123...",
  satsPerVbyteFee: 10
});
console.log("Receiver spend tx:", txHex);