Function finalizeP2TRNoteInput

src/btc/btc-p2tr-note.ts:8–35

(
  psbt: bitcoin.Psbt,
  inputIndex: number,
  tapLeafNoteScript: TapLeafScript,
  notePayload: NotePayload
)

import {witnessStackToScriptWitness} from "./witness_stack_to_script_witness";

export function finalizeP2TRNoteInput(
  psbt: bitcoin.Psbt,
  inputIndex: number,
  tapLeafNoteScript: TapLeafScript,
  notePayload: NotePayload
) {
  function getNoteFinalScripts(index: number, input: any) {
    const scriptSolution = [
      input.tapScriptSig[0].signature,
      Buffer.from(notePayload.data0, "hex"),
      Buffer.from(notePayload.data1, "hex"),
      Buffer.from(notePayload.data2, "hex"),
      Buffer.from(notePayload.data3, "hex"),
      Buffer.from(notePayload.data4, "hex"),
    ];
    const witness = scriptSolution
      .concat(tapLeafNoteScript.script)
      .concat(tapLeafNoteScript.controlBlock);

    const finalScriptWitness = witnessStackToScriptWitness(witness);

    return {
      finalScriptWitness,
    };
  }

  psbt.finalizeInput(inputIndex, getNoteFinalScripts);
}
/**
 * The function `createP2TRNotePsbt` generates a P2TR transaction with a NOTE payload as the first
 * input and account notifications as outputs, handling inputs, outputs, fees, and signing processes.