remix-project/test/solidity/storageDecoder.js

'use strict'
var tape = require('tape')
var compiler = require('solc')
var stateDecoder = require('../../src/index').solidity.stateDecoder

tape('solidity', function (t) {
  t.test('storage decoder', function (st) {
    testIntStorage(st)
    testByteStorage(st)
    st.end()
  })
})

function testIntStorage (st) {
  var intStorage = require('./contracts/intStorage')
  var output = compiler.compile(intStorage.contract, 0)
  for (var storage of [intStorage.fullStorage, shrinkStorage(intStorage.fullStorage)]) {
    var decoded = stateDecoder.solidityState(storage, output.sources, 'intStorage')
    st.equal(decoded['ui8'], '130')
    st.equal(decoded['ui16'], '456')
    st.equal(decoded['ui32'], '4356')
    st.equal(decoded['ui64'], '3543543543')
    st.equal(decoded['ui128'], '234567')
    st.equal(decoded['ui256'], '115792089237316195423570985008687907853269984665640564039457584007880697216513')
    st.equal(decoded['ui'], '123545666')
    st.equal(decoded['i8'], '-45')
    st.equal(decoded['i16'], '-1234')
    st.equal(decoded['i32'], '3455')
    st.equal(decoded['i64'], '-35566')
    st.equal(decoded['i128'], '-444444')
    st.equal(decoded['i256'], '3434343')
    st.equal(decoded['i'], '-32432423423')
    st.equal(decoded['ishrink'], '2')
  }

  decoded = stateDecoder.solidityState({}, output.sources, 'intStorage')
  st.equal(decoded['ui8'], '0')
  st.equal(decoded['ui16'], '0')
  st.equal(decoded['ui32'], '0')
  st.equal(decoded['ui64'], '0')
  st.equal(decoded['ui128'], '0')
  st.equal(decoded['ui256'], '0')
  st.equal(decoded['ui'], '0')
  st.equal(decoded['i8'], '0')
  st.equal(decoded['i16'], '0')
  st.equal(decoded['i32'], '0')
  st.equal(decoded['i64'], '0')
  st.equal(decoded['i128'], '0')
  st.equal(decoded['i256'], '0')
  st.equal(decoded['i'], '0')
  st.equal(decoded['ishrink'], '0')
}

function testByteStorage (st) {
  var byteStorage = require('./contracts/byteStorage')
  var output = compiler.compile(byteStorage.contract, 0)
  for (var storage of [byteStorage.storage, shrinkStorage(byteStorage.storage)]) {
    var decoded = stateDecoder.solidityState(storage, output.sources, 'byteStorage')
    st.equal(decoded['b1'], false)
    st.equal(decoded['a1'], '0xFE350F199F244AC9A79038D254400B632A633225')
    st.equal(decoded['b2'], true)
    st.equal(decoded['dynb1'].value, '0x64796e616d69636279746573')
    st.equal(decoded['dynb1'].length, '0xc')
    st.equal(decoded['stab'], '0x01')
    st.equal(decoded['stab1'], '0x12')
    st.equal(decoded['stab2'], '0x1579')
    st.equal(decoded['stab3'], '0x359356')
    st.equal(decoded['stab4'], '0x23750000')
    st.equal(decoded['stab5'], '0x0235764500')
    st.equal(decoded['stab6'], '0x324435000000')
    st.equal(decoded['stab7'], '0x00432400000000')
    st.equal(decoded['stab8'], '0x3245546457650000')
    st.equal(decoded['stab9'], '0x034345430000000000')
    st.equal(decoded['stab10'], '0x04543543654657000000')
    st.equal(decoded['stab11'], '0x5435465400000000000000')
    st.equal(decoded['stab12'], '0x030000000000000000000000')
    st.equal(decoded['stab13'], '0x03243242345435000000000000')
    st.equal(decoded['stab14'], '0x3245435435435300000000000000')
    st.equal(decoded['stab15'], '0x032454434435000000000000000000')
    st.equal(decoded['stab16'], '0x32454354440000000000000000000000')
    st.equal(decoded['stab17'], '0x0324543432432432450000000000000000')
    st.equal(decoded['stab18'], '0x032453432543543500000000000000000000')
    st.equal(decoded['stab19'], '0x03245434354354350000000000000000000000')
    st.equal(decoded['stab20'], '0x032454543543AB35000000000000000000000000')
    st.equal(decoded['stab21'], '0x324544324234350000000000000000000000000000')
    st.equal(decoded['stab22'], '0x324543AEF50000000000000000000000000000000000')
    st.equal(decoded['stab23'], '0x3245435FFF000000000000000000000000000000000000')
    st.equal(decoded['stab24'], '0x3245435F0000000000000000000000000000000000000000')
    st.equal(decoded['stab25'], '0x3245435F000000000000000000000000000000000000000000')
    st.equal(decoded['stab26'], '0x3245435F00000000000000000000000000000000000000000000')
    st.equal(decoded['stab27'], '0x03245FFFFFFF000000000000000000000000000000000000000000')
    st.equal(decoded['stab28'], '0x03241235000000000000000000000000000000000000000000000000')
    st.equal(decoded['stab29'], '0x0325213213000000000000000000000000000000000000000000000000')
    st.equal(decoded['stab30'], '0x032454352324230000000000000000000000000000000000000000000000')
    st.equal(decoded['stab31'], '0x32454351230000000000000000000000000000000000000000000000000000')
    st.equal(decoded['stab32'], '0x324324423432543543AB00000000000000000000000000000000000000000000')
    st.equal(decoded['enumDec'], 'e240')
    st.equal(decoded['str1'].value, 'short')
    st.equal(decoded['str2'].value, 'long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long')
  }

  decoded = stateDecoder.solidityState({}, output.sources, 'byteStorage')
  st.equal(decoded['b1'], false)
  st.equal(decoded['a1'], '0x0000000000000000000000000000000000000000')
  st.equal(decoded['b2'], false)
  st.equal(decoded['dynb1'].value, '0x')
  st.equal(decoded['dynb1'].length, '0x0')
  st.equal(decoded['stab'], '0x00')
  st.equal(decoded['stab1'], '0x00')
  st.equal(decoded['stab2'], '0x0000')
  st.equal(decoded['stab3'], '0x000000')
  st.equal(decoded['stab4'], '0x00000000')
  st.equal(decoded['stab5'], '0x0000000000')
  st.equal(decoded['stab6'], '0x000000000000')
  st.equal(decoded['stab7'], '0x00000000000000')
  st.equal(decoded['stab8'], '0x0000000000000000')
  st.equal(decoded['stab9'], '0x000000000000000000')
  st.equal(decoded['stab10'], '0x00000000000000000000')
  st.equal(decoded['stab11'], '0x0000000000000000000000')
  st.equal(decoded['stab12'], '0x000000000000000000000000')
  st.equal(decoded['stab13'], '0x00000000000000000000000000')
  st.equal(decoded['stab14'], '0x0000000000000000000000000000')
  st.equal(decoded['stab15'], '0x000000000000000000000000000000')
  st.equal(decoded['stab16'], '0x00000000000000000000000000000000')
  st.equal(decoded['stab17'], '0x0000000000000000000000000000000000')
  st.equal(decoded['stab18'], '0x000000000000000000000000000000000000')
  st.equal(decoded['stab19'], '0x00000000000000000000000000000000000000')
  st.equal(decoded['stab20'], '0x0000000000000000000000000000000000000000')
  st.equal(decoded['stab21'], '0x000000000000000000000000000000000000000000')
  st.equal(decoded['stab22'], '0x00000000000000000000000000000000000000000000')
  st.equal(decoded['stab23'], '0x0000000000000000000000000000000000000000000000')
  st.equal(decoded['stab24'], '0x000000000000000000000000000000000000000000000000')
  st.equal(decoded['stab25'], '0x00000000000000000000000000000000000000000000000000')
  st.equal(decoded['stab26'], '0x0000000000000000000000000000000000000000000000000000')
  st.equal(decoded['stab27'], '0x000000000000000000000000000000000000000000000000000000')
  st.equal(decoded['stab28'], '0x00000000000000000000000000000000000000000000000000000000')
  st.equal(decoded['stab29'], '0x0000000000000000000000000000000000000000000000000000000000')
  st.equal(decoded['stab30'], '0x000000000000000000000000000000000000000000000000000000000000')
  st.equal(decoded['stab31'], '0x00000000000000000000000000000000000000000000000000000000000000')
  st.equal(decoded['stab32'], '0x0000000000000000000000000000000000000000000000000000000000000000')
  st.equal(decoded['enumDec'], 'e0')
  st.equal(decoded['str1'].length, '0x0')
  st.equal(decoded['str2'].length, '0x0')
  st.equal(decoded['str1'].value, '')
  st.equal(decoded['str2'].value, '')
}

function shrinkStorage (storage) {
  var shrinkedStorage = {}
  var regex = /0x(00)*(..)/
  for (var key in storage) {
    var value = storage[key]
    shrinkedStorage[key.replace(regex, '0x$2')] = value.replace(regex, '0x$2')
  }
  return shrinkedStorage
}