createHTLCSenderSpendTx

Create a signed transaction to reclaim an expired HTLC as sender.

Creates a sender spend transaction for an HTLC after the timelock expires.

Method Signature

async createHTLCSenderSpendTx({
  htlcTx,
  hash,
  hashLockDestinationPubkey,
  sequenceLockDestinationPubkey,
  satsPerVbyteFee,
}: {
  htlcTx: string;
  hash: string;
  hashLockDestinationPubkey: string;
  sequenceLockDestinationPubkey: 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

satsPerVbyteFee · number · required

Fee rate in sats per vbyte

Returns

txHex · string · required

The signed sender spend transaction hex

Example

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