Method buildCommitDataTransaction

src/btc/btc-wallet.ts:339–426

(
    data: any,
    toAddress?: string,
    noteUtxo?: IUtxo,
    payUtxos?: IUtxo[],
    feePerKb?: number
  )

  }

  async buildCommitDataTransaction(
    data: any,
    toAddress?: string,
    noteUtxo?: IUtxo,
    payUtxos?: IUtxo[],
    feePerKb?: number
  ) {
    const msgpackEncodedData = msgpackEncode(data);
    const commitAddress = this.commitPayloadAddress(msgpackEncodedData);
    if (undefined === noteUtxo) {
      let noteUtxos = await this.urchain.utxos([commitAddress.scriptHash]);
      if (noteUtxos.length === 0) {
        const result = await this.send([
          {address: commitAddress.address!, amount: MIN_SATOSHIS},
        ]);
        if (result.success) {
          for (let i = 0; i < 10; i++) {
            noteUtxos = await this.urchain.utxos([commitAddress.scriptHash]);
            if (noteUtxos.length > 0) {
              break;
            } else if (i === 9) {
              throw new Error("can not get commit note utxo");
            }
            await sleep(1000);
          }
        } else {
          throw new Error(result.error);
        }
      }
      noteUtxo = noteUtxos[0]!;
      noteUtxo.type = "P2TR-COMMIT-DATA";
    }
    if (undefined === toAddress) {
      toAddress = this.currentAccount.tokenAddress!.address!;
    }
    const to: ISendToAddress = {
      address: toAddress!,
      amount: MIN_SATOSHIS,
    };

    payUtxos = payUtxos ?? (await this.fetchAllAccountUtxos());
    feePerKb = feePerKb ?? (await this.getFeePerKb()).avgFee;
    const network =
      bitcoin.networks[
        this.config.network === "livenet" ? "bitcoin" : "testnet"
      ];

    const privateKeyBuffer = new PrivateKey(
      this.currentAccount.privateKey
    ).toBuffer();
    const privateKey = ECPair.fromPrivateKey(privateKeyBuffer);

    const estimatedPsbt = createP2TRCommitDataPsbt(
      privateKey,
      msgpackEncodedData,
      noteUtxo,
      payUtxos,
      to,