test-triam-base-contract/lib/contract_base/state.js

Low level triam smart cotnract support library

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.State = State;
exports.OutputFormat = OutputFormat;
exports.ErrorHandle = ErrorHandle;
exports.ReturnData = ReturnData;
exports.Encode = Encode;
exports.Decode = Decode;
function State() {

  var ledSeq = process.argv[6];
  var sender = process.argv[5];
  var currentState = process.argv[4];
  var param = process.argv[3];
  var functionName = process.argv[2];
  var argvFileName = process.argv[1].split('/');
  var contractKey = argvFileName[argvFileName.length - 1].replace('.js', '');
  var input = void 0;
  if (functionName == "fallback") {
    var tmp = param.split('*');
    var assetcode = new Buffer(tmp[2], 'hex');
    input = {
      assetCode: assetcode.toString('utf8'),
      assetIssuer: tmp[3],
      amount: tmp[1],
      sender: tmp[0]
    };
  } else {
    var buf = Buffer.from(param, 'hex');
    var ab = toArrayBuffer(buf);
    var params = ab2str(ab);
    input = JSON.parse(params);
  }
  return {
    currentState: currentState,
    sender: sender,
    ledSeq: ledSeq,
    param: input,
    functionName: functionName,
    contractKey: contractKey
  };
}

/*
 "error": 0,
        "newState": testbalance,
        "ContrOps": "",
        "contract": ""
 */
function OutputFormat(_error, _newState, _ContrOps, _contract, _message) {
  return {
    "error": _error,
    "newState": _newState,
    "ContrOps": _ContrOps,
    "contract": _contract,
    "message": _message
  };
}

function ErrorHandle(_error, _message, _contract) {
  throw new Error();
}

function ReturnData(_data) {
  var data = JSON.stringify(_data);
  console.log(data);
}

/**
 * @return {string}
 */
function Encode(_data) {
  try {
    var ab = str2ab(_data);
    var buf = toBuffer(ab);
    return buf.toString('hex');
  } catch (e) {
    throw new Error("Encode error: " + e.message);
  }
}

function Decode(_data) {
  try {
    var _buf = Buffer.from(_data, 'hex');
    var _ab = toArrayBuffer(_buf);
    var _state = ab2str(_ab);
    return JSON.parse(_state);
  } catch (e) {
    throw new Error("Decode error: " + e.message);
  }
}

var ab2str = function ab2str(buf) {
  return String.fromCharCode.apply(null, new Uint16Array(buf));
};

var str2ab = function str2ab(str) {
  var buf = new ArrayBuffer(str.length * 2); // 2 bytes for each char
  var bufView = new Uint16Array(buf);
  for (var i = 0, strLen = str.length; i < strLen; i++) {
    bufView[i] = str.charCodeAt(i);
  }
  return buf;
};

var toArrayBuffer = function toArrayBuffer(buf) {
  var ab = new ArrayBuffer(buf.length);
  var view = new Uint8Array(ab);
  for (var i = 0; i < buf.length; ++i) {
    view[i] = buf[i];
  }
  return ab;
};
var toBuffer = function toBuffer(ab) {
  var buf = new Buffer(ab.byteLength);
  var view = new Uint8Array(ab);
  for (var i = 0; i < buf.length; ++i) {
    buf[i] = view[i];
  }
  return buf;
};