@aeternity/aepp-calldata/cjs/Serializers/ByteArraySerializer.cjs

Aeternity data serialization library

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _FateTag = _interopRequireDefault(require("../FateTag.cjs"));
var _BaseSerializer = _interopRequireDefault(require("./BaseSerializer.cjs"));
var _FateByteArray = _interopRequireDefault(require("../types/FateByteArray.cjs"));
var _IntSerializer = _interopRequireDefault(require("./IntSerializer.cjs"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
const intSerializer = new _IntSerializer.default();
class ByteArraySerializer extends _BaseSerializer.default {
  serialize(data) {
    if (data.length === 0) {
      return [_FateTag.default.EMPTY_STRING];
    }
    if (data.length < 64) {
      const prefix = data.length << 2 | _FateTag.default.SHORT_STRING;
      return [prefix, ...data.valueOf()];
    }
    return [_FateTag.default.LONG_STRING, ...intSerializer.serialize(data.length - 64), ...data.valueOf()];
  }
  deserializeStream(stream) {
    const data = new Uint8Array(stream);
    const prefix = data[0];
    if (prefix === _FateTag.default.EMPTY_STRING) {
      return [new _FateByteArray.default(), data.slice(1)];
    }
    if (prefix === _FateTag.default.LONG_STRING) {
      const [fateLen, rest] = intSerializer.deserializeStream(data.slice(1));
      const len = Number(fateLen.valueOf()) + 64;
      return [new _FateByteArray.default(rest.slice(0, len)), rest.slice(len)];
    }

    // short string
    const offset = (prefix >> 2) + 1;
    return [new _FateByteArray.default(data.slice(1, offset)), data.slice(offset)];
  }
}
var _default = exports.default = ByteArraySerializer;