Method sendEstimate

src/btc/btc-wallet.ts:102–126

(toAddresses: ISendToAddress[], feePerKb?: number)

  }

  async sendEstimate(toAddresses: ISendToAddress[], feePerKb?: number) {
    const utxos = 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 = createCoinPsbt(
      privateKey,
      utxos,
      toAddresses,
      this.currentAccount.mainAddress!.address!,
      network,
      1000
    );

    const estimatedSize = estimatedPsbt.virtualSize();
    return Math.floor((estimatedSize * feePerKb) / 1000 + 1);
  }

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