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

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Method Signature

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

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Parameters

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htlcTx
string
required
The HTLC transaction hex
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hash
string
required
The hash used in the HTLC
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hashLockDestinationPubkey
string
required
Public key for the hash lock destination
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sequenceLockDestinationPubkey
string
required
Public key for the sequence lock destination
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satsPerVbyteFee
number
required
Fee rate in sats per vbyte

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Returns

​
txHex
string
required
The signed sender spend transaction hex

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Example

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