bsv-sdk/es/wallet.js

bsv sdk

import _asyncToGenerator from "@babel/runtime/helpers/esm/asyncToGenerator";
import _regeneratorRuntime from "@babel/runtime/regenerator";

function _createForOfIteratorHelperLoose(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (it) return (it = it.call(o)).next.bind(it); if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; return function () { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

import * as bsv from "@sensible-contract/bsv";
import { MetaSVProvider } from "showpay-providers";
import { getTransferNeedUtxosAndFee } from "./utils/Txutils";

var Wallet = /*#__PURE__*/function () {
  function Wallet(wif, network, metasvAuth, feeb) {
    if (feeb === void 0) {
      feeb = 0.5;
    }

    this.privateKey = bsv.PrivateKey.fromWIF(wif);
    this.publicKey = this.privateKey.publicKey;
    this.address = this.privateKey.toAddress(network);
    this.provider = new MetaSVProvider(network, metasvAuth);
    this.feeb = feeb;
  }

  var _proto = Wallet.prototype;

  _proto.transfer = /*#__PURE__*/function () {
    var _transfer = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee(receivers, broadcast) {
      var _this = this;

      var balanceResp, addressBalance, totalTransferAmount, _iterator, _step, receiver, utxos, utxosAndFee, fee, tx, _iterator2, _step2, _receiver, utxoTotalAmount, txid, txHex, retUtxos, i, resTxid;

      return _regeneratorRuntime.wrap(function _callee$(_context) {
        while (1) {
          switch (_context.prev = _context.next) {
            case 0:
              if (broadcast === void 0) {
                broadcast = true;
              }

              _context.next = 3;
              return this.provider.getBalance(this.address.toString());

            case 3:
              balanceResp = _context.sent;
              addressBalance = balanceResp.balance + balanceResp.pendingBalance;
              totalTransferAmount = 0;

              for (_iterator = _createForOfIteratorHelperLoose(receivers); !(_step = _iterator()).done;) {
                receiver = _step.value;
                totalTransferAmount += receiver.amount;
              }

              if (!(addressBalance < totalTransferAmount)) {
                _context.next = 9;
                break;
              }

              throw new Error("Insufficient BSV Balance");

            case 9:
              _context.next = 11;
              return this.getAddressUtxos(this.address.toString());

            case 11:
              utxos = _context.sent;
              utxosAndFee = getTransferNeedUtxosAndFee(receivers, utxos, this.feeb);
              utxos = utxosAndFee.utxos;
              fee = utxosAndFee.fee;
              tx = new bsv.Transaction();
              tx.from(utxos.map(function (utxo) {
                return {
                  txId: utxo.txId,
                  outputIndex: utxo.outputIndex,
                  satoshis: utxo.satoshis,
                  script: bsv.Script.buildPublicKeyHashOut(_this.address).toHex()
                };
              }));

              for (_iterator2 = _createForOfIteratorHelperLoose(receivers); !(_step2 = _iterator2()).done;) {
                _receiver = _step2.value;
                tx.addOutput(new bsv.Transaction.Output({
                  satoshis: _receiver.amount,
                  script: bsv.Script.fromAddress(_receiver.address)
                }));
              }

              utxoTotalAmount = 0;
              utxos.forEach(function (utxo) {
                utxoTotalAmount += utxo.satoshis;
              });

              if (utxoTotalAmount - fee - totalTransferAmount >= 135) {
                tx.addOutput(new bsv.Transaction.Output({
                  satoshis: utxoTotalAmount - fee - totalTransferAmount,
                  script: bsv.Script.fromAddress(this.address)
                }));
              }

              tx.fee(fee);
              tx.sign(this.privateKey);
              txid = tx.id;
              txHex = tx.serialize(true);
              retUtxos = [];

              for (i = 0; i < tx.outputs.length; i++) {
                retUtxos.push({
                  txId: txid,
                  outputIndex: i,
                  satoshis: tx.outputs[i].satoshis,
                  // @ts-ignore
                  address: bsv.Address.fromScript(tx.outputs[i].script).toString()
                });
              }

              if (!broadcast) {
                _context.next = 33;
                break;
              }

              _context.next = 30;
              return this.provider.broadcast(txHex);

            case 30:
              resTxid = _context.sent;

              if (resTxid) {
                _context.next = 33;
                break;
              }

              throw new Error("broadcast error");

            case 33:
              return _context.abrupt("return", {
                txid: txid,
                txHex: txHex,
                utxos: retUtxos
              });

            case 34:
            case "end":
              return _context.stop();
          }
        }
      }, _callee, this);
    }));

    function transfer(_x, _x2) {
      return _transfer.apply(this, arguments);
    }

    return transfer;
  }();

  _proto.transferAll = /*#__PURE__*/function () {
    var _transferAll = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee2(receiverAddress, broadcast) {
      var _this2 = this;

      var balanceResp, addressBalance, utxos, fee, minAmountCanTransfer, tx, txid, txHex, retUtxos, resTxid;
      return _regeneratorRuntime.wrap(function _callee2$(_context2) {
        while (1) {
          switch (_context2.prev = _context2.next) {
            case 0:
              _context2.next = 2;
              return this.provider.getBalance(this.address.toString());

            case 2:
              balanceResp = _context2.sent;
              addressBalance = balanceResp.balance + balanceResp.pendingBalance;
              _context2.next = 6;
              return this.getAddressUtxos(this.address.toString());

            case 6:
              utxos = _context2.sent;
              fee = Math.ceil((utxos.length * 148 + 34 + 10) * this.feeb);
              minAmountCanTransfer = 135 + fee;

              if (!(addressBalance < minAmountCanTransfer)) {
                _context2.next = 11;
                break;
              }

              throw new Error("Insufficient BSV Balance");

            case 11:
              tx = new bsv.Transaction();
              tx.from(utxos.map(function (utxo) {
                return {
                  txId: utxo.txId,
                  outputIndex: utxo.outputIndex,
                  satoshis: utxo.satoshis,
                  script: bsv.Script.buildPublicKeyHashOut(_this2.address).toHex()
                };
              }));
              tx.addOutput(new bsv.Transaction.Output({
                satoshis: addressBalance - fee,
                script: bsv.Script.fromAddress(receiverAddress)
              }));
              tx.fee(fee);
              tx.sign(this.privateKey);
              txid = tx.id;
              txHex = tx.serialize(true);
              retUtxos = [{
                txId: txid,
                outputIndex: 0,
                satoshis: addressBalance - fee,
                address: receiverAddress
              }];

              if (!broadcast) {
                _context2.next = 25;
                break;
              }

              _context2.next = 22;
              return this.provider.broadcast(txHex);

            case 22:
              resTxid = _context2.sent;

              if (resTxid) {
                _context2.next = 25;
                break;
              }

              throw new Error("broadcast error");

            case 25:
              return _context2.abrupt("return", {
                txid: txid,
                txHex: txHex,
                utxos: retUtxos
              });

            case 26:
            case "end":
              return _context2.stop();
          }
        }
      }, _callee2, this);
    }));

    function transferAll(_x3, _x4) {
      return _transferAll.apply(this, arguments);
    }

    return transferAll;
  }();

  _proto.getAddressUtxos = /*#__PURE__*/function () {
    var _getAddressUtxos = _asyncToGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee3(address) {
      var utxos, flag, gUtxos, i;
      return _regeneratorRuntime.wrap(function _callee3$(_context3) {
        while (1) {
          switch (_context3.prev = _context3.next) {
            case 0:
              utxos = [];
              flag = "";
              gUtxos = [];
              i = 0;

            case 4:
              if (!(i < 10)) {
                _context3.next = 15;
                break;
              }

              _context3.next = 7;
              return this.provider.getUtxos(address, {
                flag: flag
              });

            case 7:
              gUtxos = _context3.sent;

              if (!(gUtxos.length == 0)) {
                _context3.next = 10;
                break;
              }

              return _context3.abrupt("break", 15);

            case 10:
              flag = gUtxos[gUtxos.length - 1].flag;
              utxos = utxos.concat(gUtxos);

            case 12:
              i++;
              _context3.next = 4;
              break;

            case 15:
              return _context3.abrupt("return", utxos);

            case 16:
            case "end":
              return _context3.stop();
          }
        }
      }, _callee3, this);
    }));

    function getAddressUtxos(_x5) {
      return _getAddressUtxos.apply(this, arguments);
    }

    return getAddressUtxos;
  }();

  return Wallet;
}();

export { Wallet as default };