@zondax/ledger-filecoin/dist/helperV1.js

Node API for Filecoin App (Ledger Nano S/X)

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.serializePathv1 = serializePathv1;
exports.signSendChunkv1 = signSendChunkv1;
var _regenerator = _interopRequireDefault(require("@babel/runtime/regenerator"));
var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator"));
var _common = require("./common");
var HARDENED = 0x80000000;
function serializePathv1(path) {
  if (typeof path !== "string") {
    throw new Error("Path should be a string (e.g \"m/44'/461'/5'/0/3\")");
  }
  if (!path.startsWith("m")) {
    throw new Error('Path should start with "m" (e.g "m/44\'/461\'/5\'/0/3")');
  }
  var pathArray = path.split("/");
  if (pathArray.length !== 6) {
    throw new Error("Invalid path. (e.g \"m/44'/461'/5'/0/3\")");
  }
  var buf = Buffer.alloc(20);
  for (var i = 1; i < pathArray.length; i += 1) {
    var value = 0;
    var child = pathArray[i];
    if (child.endsWith("'")) {
      value += HARDENED;
      child = child.slice(0, -1);
    }
    var childNumber = Number(child);
    if (Number.isNaN(childNumber)) {
      throw new Error("Invalid path : ".concat(child, " is not a number. (e.g \"m/44'/461'/5'/0/3\")"));
    }
    if (childNumber >= HARDENED) {
      throw new Error("Incorrect child value (bigger or equal to 0x80000000)");
    }
    value += childNumber;
    buf.writeUInt32LE(value, 4 * (i - 1));
  }
  return buf;
}
function signSendChunkv1(_x, _x2, _x3, _x4, _x5) {
  return _signSendChunkv.apply(this, arguments);
}
function _signSendChunkv() {
  _signSendChunkv = (0, _asyncToGenerator2.default)(/*#__PURE__*/_regenerator.default.mark(function _callee(app, chunkIdx, chunkNum, chunk, ins) {
    var payloadType;
    return _regenerator.default.wrap(function _callee$(_context) {
      while (1) switch (_context.prev = _context.next) {
        case 0:
          payloadType = _common.PAYLOAD_TYPE.ADD;
          if (chunkIdx === 1) {
            payloadType = _common.PAYLOAD_TYPE.INIT;
          }
          if (chunkIdx === chunkNum) {
            payloadType = _common.PAYLOAD_TYPE.LAST;
          }
          return _context.abrupt("return", app.transport.send(_common.CLA, ins, payloadType, 0, chunk, [0x9000, 0x6984, 0x6a80]).then(function (response) {
            var errorCodeData = response.slice(-2);
            var returnCode = errorCodeData[0] * 256 + errorCodeData[1];
            var errorMessage = (0, _common.errorCodeToString)(returnCode);
            if (returnCode === 0x6a80 || returnCode === 0x6984) {
              errorMessage = "".concat(errorMessage, " : ").concat(response.slice(0, response.length - 2).toString("ascii"));
            }
            var signatureCompact = null;
            var signatureDER = null;
            if (response.length > 2) {
              signatureCompact = response.slice(0, 65);
              signatureDER = response.slice(65, response.length - 2);
            }
            return {
              signature_compact: signatureCompact,
              signature_der: signatureDER,
              return_code: returnCode,
              error_message: errorMessage
            };
          }, _common.processErrorResponse));
        case 4:
        case "end":
          return _context.stop();
      }
    }, _callee);
  }));
  return _signSendChunkv.apply(this, arguments);
}