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Текущая директория: /opt/BitGoJS/examples/js

Просмотр файла: get-maximum-spendable.js

/**
 * Get the maximum amount spendable in a single transaction from a wallet.
 * This value is the sum of the 200 most valuable unspent transactions in your wallet.
 * This limit exists because an outbound transaction cannot use more than 200 unspent transactions as input,
 * due to transaction size limits. Note that this value is NOT relevant for account-based coins
 * i.e. [eth, xrp, xlm], as these coins do not use the unspent transactions data model
 *
 * Note that this value may be different than balance, confirmedBalance, and spendableBalance,
 * which can be obtained using the example in the file: get-wallet-balance.js
 *
 * Copyright 2022, BitGo, Inc.  All Rights Reserved.
 */

const BitGoJS = require('bitgo');
const bitgo = new BitGoJS.BitGo({ env: 'test' });
const Promise = require('bluebird');

// TODO: set your access token here
// You can get this from User Settings > Developer Options > Add Access Token
const accessToken = null;

// TODO: get the wallet with this id
const id = null;

const coin = 'tbtc';
const basecoin = bitgo.coin(coin);

Promise.coroutine(function* () {
  bitgo.authenticateWithAccessToken({ accessToken });

  const walletInstance = yield basecoin.wallets().get({ id: id });

  // You may include any, all, or none of these optional parameters
  const optionalParams = {
    limit: 25, // maximum number of selectable unspents
    minValue: 0, // the minimum value of unspents to use in satoshis
    maxValue: 9999999999999, // the maximum value of unspents to use in satoshis
    minHeight: 0, // the minimum height of unspents on the block chain to use
    minConfirms: 2, // all selected unspents will have at least this many confirmations
    enforceMinConfirmsForChange: false, // enforces minConfirms on change inputs
    feeRate: 10000, // fee rate to use in calculation of maximum spendable in satoshis/kB
    maxFeeRate: 100000, // upper limit for feeRate in satoshis/kB
    recipientAddress: '2NCUFDLiUz9CVnmdVqQe9acVonoM89e76df', // recipient address for a more accurate calculation
  };

  //
  // If you want to use the default parameters, don't include those properties in optionalParameters
  //
  // For example you can do:
  //
  // optionalParameters = {};
  //
  //      or
  //
  // optionalParameters = {limit: 50, feeRate: 12000};
  //
  //      or
  //
  // any other combination you'd like to specify
  //

  const response = yield walletInstance.maximumSpendable(optionalParams);

  console.log('Wallet ID:', id);
  console.log('Coin:', response.coin);
  console.log('Maximum Spendable:', response.maximumSpendable);
})();

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