text: "use strict";
  //See: https://github.com/ethereum/wiki/wiki/RLP
  import { arrayify, hexlify, isBytesLike } from "@ethersproject/bytes";
  import { Logger } from "@ethersproject/logger";
  import { version } from "./_version";
  const logger = new Logger(version);
  function arrayifyInteger(value) {
      const result = [];
      while (value) {
          result.unshift(value & 0xff);
          value >>= 8;
      }
      return result;
  }
  function unarrayifyInteger(data, offset, length) {
      let result = 0;
      for (let i = 0; i < length; i++) {
          result = (result * 256) + data[offset + i];
      }
      return result;
  }
  function _encode(object) {
      if (Array.isArray(object)) {
          let payload = [];
          object.forEach(function (child) {
              payload = payload.concat(_encode(child));
          });
          if (payload.length <= 55) {
              payload.unshift(0xc0 + payload.length);
              return payload;
          }
          const length = arrayifyInteger(payload.length);
          length.unshift(0xf7 + length.length);
          return length.concat(payload);
      }
      if (!isBytesLike(object)) {
          logger.throwArgumentError("RLP object must be BytesLike", "object", object);
      }
      const data = Array.prototype.slice.call(arrayify(object));
      if (data.length === 1 && data[0] <= 0x7f) {
          return data;
      }
      else if (data.length <= 55) {
          data.unshift(0x80 + data.length);
          return data;
      }
      const length = arrayifyInteger(data.length);
      length.unshift(0xb7 + length.length);
      return length.concat(data);
  }
  export function encode(object) {
      return hexlify(_encode(object));
  }
  function _decodeChildren(data, offset, childOffset, length) {
      const result = [];
      while (childOffset < offset + 1 + length) {
          const decoded = _decode(data, childOffset);
          result.push(decoded.result);
          childOffset += decoded.consumed;
          if (childOffset > offset + 1 + length) {
              logger.throwError("child data too short", Logger.errors.BUFFER_OVERRUN, {});
          }
      }
      return { consumed: (1 + length), result: result };
  }
  // returns { consumed: number, result: Object }
  function _decode(data, offset) {
      if (data.length === 0) {
          logger.throwError("data too short", Logger.errors.BUFFER_OVERRUN, {});
      }
      // Array with extra length prefix
      if (data[offset] >= 0xf8) {
          const lengthLength = data[offset] - 0xf7;
          if (offset + 1 + lengthLength > data.length) {
              logger.throwError("data short segment too short", Logger.errors.BUFFER_OVERRUN, {});
          }
          const length = unarrayifyInteger(data, offset + 1, lengthLength);
          if (offset + 1 + lengthLength + length > data.length) {
              logger.throwError("data long segment too short", Logger.errors.BUFFER_OVERRUN, {});
          }
          return _decodeChildren(data, offset, offset + 1 + lengthLength, lengthLength + length);
      }
      else if (data[offset] >= 0xc0) {
          const length = data[offset] - 0xc0;
          if (offset + 1 + length > data.length) {
              logger.throwError("data array too short", Logger.errors.BUFFER_OVERRUN, {});
          }
          return _decodeChildren(data, offset, offset + 1, length);
      }
      else if (data[offset] >= 0xb8) {
          const lengthLength = data[offset] - 0xb7;
          if (offset + 1 + lengthLength > data.length) {
              logger.throwError("data array too short", Logger.errors.BUFFER_OVERRUN, {});
          }
          const length = unarrayifyInteger(data, offset + 1, lengthLength);
          if (offset + 1 + lengthLength + length > data.length) {
              logger.throwError("data array too short", Logger.errors.BUFFER_OVERRUN, {});
          }
          const result = hexlify(data.slice(offset + 1 + lengthLength, offset + 1 + lengthLength + length));
          return { consumed: (1 + lengthLength + length), result: result };
      }
      else if (data[offset] >= 0x80) {
          const length = data[offset] - 0x80;
          if (offset + 1 + length > data.length) {
              logger.throwError("data too short", Logger.errors.BUFFER_OVERRUN, {});
          }
          const result = hexlify(data.slice(offset + 1, offset + 1 + length));
          return { consumed: (1 + length), result: result };
      }
      return { consumed: 1, result: hexlify(data[offset]) };
  }
  export function decode(data) {
      const bytes = arrayify(data);
      const decoded = _decode(bytes, 0);
      if (decoded.consumed !== bytes.length) {
          logger.throwArgumentError("invalid rlp data", "data", data);
      }
      return decoded.result;
  }
  