@coolwallet/zen/lib/utils/bufferUtil.js

Coolwallet Horizen sdk

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.toVarUintBuffer = toVarUintBuffer;
exports.toReverseUintBuffer = toReverseUintBuffer;
exports.toUintBuffer = toUintBuffer;
exports.hexStringToUintBuffer = hexStringToUintBuffer;

var _bn = _interopRequireDefault(require("bn.js"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

function toVarUintBuffer(value) {
  var hex = value.toString(16);
  return Buffer.from(hex.length % 2 !== 0 ? "0".concat(hex) : hex, 'hex');
}

function toReverseUintBuffer(numberOrString, byteSize) {
  var bn = new _bn["default"](numberOrString);
  var buf = Buffer.from(bn.toArray()).reverse();
  return Buffer.alloc(byteSize).fill(buf, 0, buf.length);
}

function toUintBuffer(numberOrString, byteSize) {
  var bn = new _bn["default"](numberOrString);
  var buf = Buffer.from(bn.toArray());
  return Buffer.alloc(byteSize).fill(buf, byteSize - buf.length, byteSize);
}

function hexStringToUintBuffer(string, byteSize, encode) {
  var bn = new _bn["default"](string, 'hex');
  var buf = Buffer.from(bn.toArray());
  return Buffer.alloc(byteSize).fill(buf, byteSize - buf.length, byteSize);
}
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