remix-project/test/solidity/decodeInfo.js

'use strict'
var tape = require('tape')
var compiler = require('solc')
var index = require('../../babelify-src/index')
var contracts = require('./contracts/miscContracts')
var simplecontracts = require('./contracts/simpleContract')

tape('solidity', function (t) {
  t.test('astHelper, decodeInfo', function (st) {
    var output = compiler.compile(contracts, 0)

    var state = index.solidity.astHelper.extractStateDefinitions('contractUint', output.sources)
    var states = index.solidity.astHelper.extractStatesDefinitions(output.sources)
    var stateDef = state.stateDefinitions
    var decodeInfo = index.solidity.decodeInfo.parseType(stateDef[0].attributes.type, states, 'contractUint')
    checkDecodeInfo(st, decodeInfo, 1, 1, 'uint')
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[2].attributes.type, states, 'contractUint')
    checkDecodeInfo(st, decodeInfo, 1, 32, 'uint')
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[3].attributes.type, states, 'contractUint')
    checkDecodeInfo(st, decodeInfo, 1, 32, 'uint')
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[4].attributes.type, states, 'contractUint')
    checkDecodeInfo(st, decodeInfo, 1, 16, 'bytesX')

    state = index.solidity.astHelper.extractStateDefinitions('contractStructAndArray', output.sources)
    stateDef = state.stateDefinitions
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[1].attributes.type, states, 'contractStructAndArray')
    checkDecodeInfo(st, decodeInfo, 2, 32, 'struct')
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[2].attributes.type, states, 'contractStructAndArray')
    checkDecodeInfo(st, decodeInfo, 6, 32, 'array')
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[3].attributes.type, states, 'contractStructAndArray')
    checkDecodeInfo(st, decodeInfo, 2, 32, 'array')

    state = index.solidity.astHelper.extractStateDefinitions('contractArray', output.sources)
    stateDef = state.stateDefinitions
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[0].attributes.type, states, 'contractArray')
    checkDecodeInfo(st, decodeInfo, 1, 32, 'array')
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[1].attributes.type, states, 'contractArray')
    checkDecodeInfo(st, decodeInfo, 1, 32, 'array')
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[2].attributes.type, states, 'contractArray')
    checkDecodeInfo(st, decodeInfo, 4, 32, 'array')

    state = index.solidity.astHelper.extractStateDefinitions('contractEnum', output.sources)
    stateDef = state.stateDefinitions
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[1].attributes.type, states, 'contractEnum')
    checkDecodeInfo(st, decodeInfo, 1, 2, 'enum')

    state = index.solidity.astHelper.extractStateDefinitions('contractSmallVariable', output.sources)
    stateDef = state.stateDefinitions
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[0].attributes.type, states, 'contractSmallVariable')
    checkDecodeInfo(st, decodeInfo, 1, 1, 'int')
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[1].attributes.type, states, 'contractSmallVariable')
    checkDecodeInfo(st, decodeInfo, 1, 1, 'uint')
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[2].attributes.type, states, 'contractSmallVariable')
    checkDecodeInfo(st, decodeInfo, 1, 2, 'uint')
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[3].attributes.type, states, 'contractSmallVariable')
    checkDecodeInfo(st, decodeInfo, 1, 4, 'int')
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[4].attributes.type, states, 'contractSmallVariable')
    checkDecodeInfo(st, decodeInfo, 1, 32, 'uint')
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[5].attributes.type, states, 'contractSmallVariable')
    checkDecodeInfo(st, decodeInfo, 1, 2, 'int')

    output = compiler.compile(simplecontracts, 0)

    state = index.solidity.astHelper.extractStateDefinitions('simpleContract', output.sources)
    states = index.solidity.astHelper.extractStatesDefinitions(output.sources)
    stateDef = state.stateDefinitions
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[2].attributes.type, states, 'simpleContract')
    checkDecodeInfo(st, decodeInfo, 2, 32, 'struct')
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[3].attributes.type, states, 'simpleContract')
    checkDecodeInfo(st, decodeInfo, 6, 32, 'array')
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[4].attributes.type, states, 'simpleContract')
    checkDecodeInfo(st, decodeInfo, 1, 1, 'enum')

    state = index.solidity.astHelper.extractStateDefinitions('test2', output.sources)
    stateDef = state.stateDefinitions
    decodeInfo = index.solidity.decodeInfo.parseType(stateDef[0].attributes.type, states, 'test1')
    checkDecodeInfo(st, decodeInfo, 0, 32, 'struct')

    state = index.solidity.stateDecoder.extractStateVariables('test2', output.sources)
    checkDecodeInfo(st, decodeInfo, 0, 32, 'struct')

    st.end()
  })
})

function checkDecodeInfo (st, decodeInfo, storageSlots, storageBytes, typeName) {
  st.equal(decodeInfo.storageSlots, storageSlots)
  st.equal(decodeInfo.storageBytes, storageBytes)
  st.equal(decodeInfo.typeName, typeName)
}