Method createAccount

src/btc/btc-wallet.ts:56–100

(
    rootPath: string = this.rootPath,
    index: number = 0,
    target = 0
  )

  }

  createAccount(
    rootPath: string = this.rootPath,
    index: number = 0,
    target = 0
  ): IWalletAccount {
    const account = super.createAccount(rootPath, index, target);
    const privateKeyBuffer = new PrivateKey(account.privateKey).toBuffer();
    const publicKeyBuffer = new PublicKey(account.publicKey).toBuffer();

    const xOnlyPubkey = publicKeyBuffer.slice(1, 33);

    // Used for signing, since the output and address are using a tweaked key
    // We must tweak the signer in the same way.
    const privateKey = ECPair.fromPrivateKey(privateKeyBuffer);
    const tweakedPrivateKey = privateKey.tweak(
      bitcoin.crypto.taggedHash("TapTweak", xOnlyPubkey)
    );

    account.tweakedPrivateKey = tweakedPrivateKey.toWIF();
    account.xOnlyPubkey = xOnlyPubkey.toString("hex");

    const network =
      bitcoin.networks[
        this.config.network === "livenet" ? "bitcoin" : "testnet"
      ];
    const addressP2WPKH = generateP2WPHKAddress(
      Buffer.from(account.publicKey, "hex"),
      network
    );
    account.mainAddress = addressP2WPKH;

    const addressP2TRNote = generateP2TRNoteAddress(
      Buffer.from(account.publicKey, "hex"),
      network
    );
    account.tokenAddress = addressP2TRNote;

    const addressP2TRNoteV1 = generateP2TRNoteAddressV1(
      Buffer.from(account.publicKey, "hex"),
      network
    );
    account.addressP2TRNoteV1 = addressP2TRNoteV1;

    return account;
  }

  async sendEstimate(toAddresses: ISendToAddress[], feePerKb?: number) {
    const utxos = await this.fetchAllAccountUtxos();