Merge branch 'master' into solcUpdate

remix-debug/package.json

@@ -19,9 +19,8 @@
   "main": "./index.js",
   "dependencies": {
     "commander": "^2.19.0",
-    "ethereumjs-util": "^6.1.0",
+    "ethereumjs-util": "^6.2.0",
-    "ethereumjs-vm": "3.0.0",
+    "ethereumjs-vm": "4.1.1",
-    "fast-async": "^6.1.2",
     "remix-lib": "0.4.15",
     "web3": "0.20.6"
   },

remix-debug/test/decoder/vmCall.js

@@ -1,6 +1,6 @@
 'use strict'
 var utileth = require('ethereumjs-util')
-var Tx = require('ethereumjs-tx')
+var Tx = require('ethereumjs-tx').Transaction
 var Block = require('ethereumjs-block')
 var BN = require('ethereumjs-util').BN
 var remixLib = require('remix-lib')
@@ -34,8 +34,7 @@ function sendTx (vm, from, to, value, data, cb) {
   Init VM / Send Transaction
 */
 function initVM (st, privateKey) {
-  var utileth = require('ethereumjs-util')
+  var VM = require('ethereumjs-vm').default
-  var VM = require('ethereumjs-vm')
   var Web3Providers = remixLib.vm.Web3Providers
   var address = utileth.privateToAddress(privateKey)
   var vm = new VM({

remix-debug/test/vmCall.js

@@ -1,6 +1,6 @@
 'use strict'
 var utileth = require('ethereumjs-util')
-var Tx = require('ethereumjs-tx')
+var Tx = require('ethereumjs-tx').Transaction
 var Block = require('ethereumjs-block')
 var BN = require('ethereumjs-util').BN
 var remixLib = require('remix-lib')
@@ -34,8 +34,7 @@ function sendTx (vm, from, to, value, data, cb) {
   Init VM / Send Transaction
 */
 function initVM (st, privateKey) {
-  var utileth = require('ethereumjs-util')
+  var VM = require('ethereumjs-vm').default
-  var VM = require('ethereumjs-vm')
   var Web3Providers = remixLib.vm.Web3Providers
   var address = utileth.privateToAddress(privateKey)
   var vm = new VM({

remix-lib/package.json

@@ -15,13 +15,12 @@
   "main": "./index.js",
   "dependencies": {
     "async": "^2.1.2",
-    "ethereumjs-block": "^1.6.0",
+    "ethereumjs-block": "^2.2.1",
-    "ethereumjs-tx": "^1.3.3",
+    "ethereumjs-tx": "^2.1.1",
-    "ethereumjs-util": "^6.1.0",
+    "ethereumjs-util": "^6.2.0",
-    "ethereumjs-vm": "3.0.0",
+    "ethereumjs-vm": "4.1.1",
     "ethers": "^4.0.27",
     "events": "^3.0.0",
-    "fast-async": "^6.1.2",
     "solc": "^0.5.13",
     "web3": "0.20.6"
   },

remix-lib/src/code/opcodes.js

@@ -2,6 +2,8 @@
 var codes = {
   // 0x0 range - arithmetic ops
   // name, baseCost, off stack, on stack, dynamic, async
+  // @todo can be improved on basis of this: https://github.com/ethereumjs/ethereumjs-vm/blob/master/lib/evm/opcodes.ts
+
   0x00: ['STOP', 0, 0, 0, false],
   0x01: ['ADD', 3, 2, 1, false],
   0x02: ['MUL', 5, 2, 1, false],
@@ -36,7 +38,7 @@ var codes = {
 
   // 0x30 range - closure state
   0x30: ['ADDRESS', 2, 0, 1, true],
-  0x31: ['BALANCE', 400, 1, 1, true, true],
+  0x31: ['BALANCE', 700, 1, 1, true, true],
   0x32: ['ORIGIN', 2, 0, 1, true],
   0x33: ['CALLER', 2, 0, 1, true],
   0x34: ['CALLVALUE', 2, 0, 1, true],
@@ -50,6 +52,7 @@ var codes = {
   0x3c: ['EXTCODECOPY', 700, 4, 0, true, true],
   0x3d: ['RETURNDATASIZE', 2, 0, 1, true],
   0x3e: ['RETURNDATACOPY', 3, 3, 0, true],
+  0x3f: ['EXTCODEHASH', 400, 3, 0, true],
 
   // '0x40' range - block operations
   0x40: ['BLOCKHASH', 20, 1, 1, true, true],
@@ -58,13 +61,15 @@ var codes = {
   0x43: ['NUMBER', 2, 0, 1, true],
   0x44: ['DIFFICULTY', 2, 0, 1, true],
   0x45: ['GASLIMIT', 2, 0, 1, true],
+  0x46: ['CHAINID', 2, 0, 1, false],
+  0x47: ['SELFBALANCE', 5, 0, 1, false],
 
   // 0x50 range - 'storage' and execution
   0x50: ['POP', 2, 1, 0, false],
   0x51: ['MLOAD', 3, 1, 1, false],
   0x52: ['MSTORE', 3, 2, 0, false],
   0x53: ['MSTORE8', 3, 2, 0, false],
-  0x54: ['SLOAD', 200, 1, 1, true, true],
+  0x54: ['SLOAD', 800, 1, 1, true, true],
   0x55: ['SSTORE', 0, 2, 0, true, true],
   0x56: ['JUMP', 8, 1, 0, false],
   0x57: ['JUMPI', 10, 2, 0, false],

remix-lib/src/execution/execution-context.js

@@ -1,28 +1,25 @@
 /* global ethereum */
 'use strict'
-var Web3 = require('web3')
+const Web3 = require('web3')
-var EventManager = require('../eventManager')
+const EventManager = require('../eventManager')
-var EthJSVM = require('ethereumjs-vm')
+const EthJSVM = require('ethereumjs-vm').default
-var ethUtil = require('ethereumjs-util')
+const ethUtil = require('ethereumjs-util')
-var StateManager = require('ethereumjs-vm/dist/stateManager')
+const StateManager = require('ethereumjs-vm/dist/state/stateManager').default
-var Web3VMProvider = require('../web3Provider/web3VmProvider')
+const Web3VMProvider = require('../web3Provider/web3VmProvider')
 
-var LogsManager = require('./logsManager.js')
+const LogsManager = require('./logsManager.js')
 
-var rlp = ethUtil.rlp
+const rlp = ethUtil.rlp
 
-var injectedProvider
-
-var web3
 if (typeof window !== 'undefined' && typeof window.web3 !== 'undefined') {
-  injectedProvider = window.web3.currentProvider
+  var injectedProvider = window.web3.currentProvider
-  web3 = new Web3(injectedProvider)
+  var web3 = new Web3(injectedProvider)
 } else {
   web3 = new Web3(new Web3.providers.HttpProvider('http://localhost:8545'))
 }
 
-var blankWeb3 = new Web3()
+const blankWeb3 = new Web3()
-
+const currentFork = 'istanbul'
 /*
   extend vm state manager and instanciate VM
 */
@@ -95,7 +92,9 @@ function createVm (hardfork) {
 
 var vms = {
   byzantium: createVm('byzantium'),
-  constantinople: createVm('constantinople')
+  constantinople: createVm('constantinople'),
+  petersburg: createVm('petersburg'),
+  istanbul: createVm('istanbul')
 }
 
 var mainNetGenesisHash = '0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3'
@@ -141,7 +140,7 @@ function ExecutionContext () {
   }
 
   this.web3 = function () {
-    return this.isVM() ? vms.constantinople.web3vm : web3
+    return this.isVM() ? vms[currentFork].web3vm : web3
   }
 
   this.detectNetwork = function (callback) {
@@ -196,7 +195,7 @@ function ExecutionContext () {
   }
 
   this.vm = function () {
-    return vms.constantinople.vm
+    return vms[currentFork].vm
   }
 
   this.setContext = function (context, endPointUrl, confirmCb, infoCb) {
@@ -209,8 +208,8 @@ function ExecutionContext () {
 
     if (context === 'vm') {
       executionContext = context
-      vms.constantinople.stateManager.revert(() => {
+      vms[currentFork].stateManager.revert(() => {
-        vms.constantinople.stateManager.checkpoint(() => {})
+        vms[currentFork].stateManager.checkpoint(() => {})
       })
       self.event.trigger('contextChanged', ['vm'])
       return cb()

remix-lib/src/execution/txExecution.js

@@ -64,16 +64,20 @@ module.exports = {
       INVALID_JUMP: 'invalid JUMP',
       INVALID_OPCODE: 'invalid opcode',
       REVERT: 'revert',
-      STATIC_STATE_CHANGE: 'static state change'
+      STATIC_STATE_CHANGE: 'static state change',
+      INTERNAL_ERROR: 'internal error',
+      CREATE_COLLISION: 'create collision',
+      STOP: 'stop',
+      REFUND_EXHAUSTED: 'refund exhausted'
     }
     var ret = {
       error: false,
       message: ''
     }
-    if (!txResult.result.vm.exceptionError) {
+    if (!txResult.result.execResult.exceptionError) {
       return ret
     }
-    var exceptionError = txResult.result.vm.exceptionError.error || ''
+    var exceptionError = txResult.result.execResult.exceptionError.error || ''
     var error = `VM error: ${exceptionError}.\n`
     var msg
     if (exceptionError === errorCode.INVALID_OPCODE) {
@@ -83,7 +87,7 @@ module.exports = {
       msg = `\tThe transaction ran out of gas. Please increase the Gas Limit.\n`
       ret.error = true
     } else if (exceptionError === errorCode.REVERT) {
-      var returnData = txResult.result.vm.return
+      var returnData = txResult.result.execResult.returnValue
       // It is the hash of Error(string)
       if (returnData && (returnData.slice(0, 4).toString('hex') === '08c379a0')) {
         var abiCoder = new ethers.utils.AbiCoder()

remix-lib/src/execution/txListener.js

@@ -40,14 +40,13 @@ class TxListener {
       // in web3 mode && listen remix txs only
       if (!this._isListening) return // we don't listen
       if (this._loopId && executionContext.getProvider() !== 'vm') return // we seems to already listen on a "web3" network
-
       var call = {
         from: from,
         to: to,
         input: data,
         hash: txResult.transactionHash ? txResult.transactionHash : 'call' + (from || '') + to + data,
         isCall: true,
-        returnValue: executionContext.isVM() ? txResult.result.vm.return : ethJSUtil.toBuffer(txResult.result),
+        returnValue: executionContext.isVM() ? txResult.result.execResult.returnValue : ethJSUtil.toBuffer(txResult.result),
         envMode: executionContext.getProvider()
       }
 
@@ -80,9 +79,9 @@ class TxListener {
 
     function addExecutionCosts (txResult, tx) {
       if (txResult && txResult.result) {
-        if (txResult.result.vm) {
+        if (txResult.result.execResult) {
-          tx.returnValue = txResult.result.vm.return
+          tx.returnValue = txResult.result.execResult.returnValue
-          if (txResult.result.vm.gasUsed) tx.executionCost = txResult.result.vm.gasUsed.toString(10)
+          if (txResult.result.execResult.gasUsed) tx.executionCost = txResult.result.execResult.gasUsed.toString(10)
         }
         if (txResult.result.gasUsed) tx.transactionCost = txResult.result.gasUsed.toString(10)
       }

remix-lib/src/execution/txRunner.js

@@ -1,5 +1,5 @@
 'use strict'
-var EthJSTX = require('ethereumjs-tx')
+var EthJSTX = require('ethereumjs-tx').Transaction
 var EthJSBlock = require('ethereumjs-block')
 var ethJSUtil = require('ethereumjs-util')
 var BN = ethJSUtil.BN
@@ -115,7 +115,6 @@ class TxRunner {
           data: Buffer.from(data.slice(2), 'hex')
         })
         tx.sign(account.privateKey)
-
         const coinbases = ['0x0e9281e9c6a0808672eaba6bd1220e144c9bb07a', '0x8945a1288dc78a6d8952a92c77aee6730b414778', '0x94d76e24f818426ae84aa404140e8d5f60e10e7e']
         const difficulties = [new BN('69762765929000', 10), new BN('70762765929000', 10), new BN('71762765929000', 10)]
         var block = new EthJSBlock({
@@ -146,24 +145,20 @@ class TxRunner {
   }
 
   runBlockInVm (tx, block, callback) {
-    executionContext.vm().runBlock({ block: block, generate: true, skipBlockValidation: true, skipBalance: false }, function (err, results) {
+    executionContext.vm().runBlock({ block: block, generate: true, skipBlockValidation: true, skipBalance: false }).then(function (results) {
-      err = err ? err.message : err
-      if (err) {
-        return callback(err)
-      }
       let result = results.results[0]
-
       if (result) {
-        result.status = '0x' + result.vm.exception.toString(16)
+        const status = result.execResult.exceptionError ? 0 : 1
+        result.status = `0x${status}`
       }
-
       executionContext.addBlock(block)
       executionContext.trackTx('0x' + tx.hash().toString('hex'), block)
-
+      callback(null, {
-      callback(err, {
         result: result,
         transactionHash: ethJSUtil.bufferToHex(Buffer.from(tx.hash()))
       })
+    }).catch(function (err) {
+      callback(err)
     })
   }
 

remix-lib/src/helpers/txResultHelper.js

@@ -21,14 +21,14 @@ function convertToPrefixedHex (input) {
 */
 function resultToRemixTx (txResult) {
   const { result, transactionHash } = txResult
-  const { status, vm, gasUsed, createdAddress, contractAddress } = result
+  const { status, execResult, gasUsed, createdAddress, contractAddress } = result
   let returnValue, errorMessage
 
   if (isHexString(result)) {
     returnValue = result
-  } else if (vm !== undefined) {
+  } else if (execResult !== undefined) {
-    returnValue = vm.return
+    returnValue = execResult.returnValue
-    errorMessage = vm.exceptionError
+    errorMessage = execResult.exceptionError
   }
 
   return {

remix-lib/src/web3Provider/web3VmProvider.js

@@ -107,8 +107,8 @@ web3VmProvider.prototype.txProcessed = function (self, data) {
   self.vmTraces[self.processingHash].gas = '0x' + data.gasUsed.toString(16)
 
   var logs = []
-  for (var l in data.vm.logs) {
+  for (var l in data.execResult.logs) {
-    var log = data.vm.logs[l]
+    var log = data.execResult.logs[l]
     var topics = []
     if (log[1].length > 0) {
       for (var k in log[1]) {
@@ -126,14 +126,15 @@ web3VmProvider.prototype.txProcessed = function (self, data) {
   }
   self.txsReceipt[self.processingHash].logs = logs
   self.txsReceipt[self.processingHash].transactionHash = self.processingHash
-  self.txsReceipt[self.processingHash].status = '0x' + data.vm.exception.toString(16)
+  const status = data.execResult.exceptionError ? 0 : 1
+  self.txsReceipt[self.processingHash].status = `0x${status}`
 
   if (data.createdAddress) {
     var address = util.hexConvert(data.createdAddress)
     self.vmTraces[self.processingHash].return = address
     self.txsReceipt[self.processingHash].contractAddress = address
-  } else if (data.vm.return) {
+  } else if (data.execResult.returnValue) {
-    self.vmTraces[self.processingHash].return = util.hexConvert(data.vm.return)
+    self.vmTraces[self.processingHash].return = util.hexConvert(data.execResult.returnValue)
   } else {
     self.vmTraces[self.processingHash].return = '0x'
   }

remix-lib/test/txResultHelper.js

@@ -46,12 +46,11 @@ const VM_RESULT = {
     gasRefund: new BN(0),
     gasUsed: new BN(GAS_USED_INT),
     status: STATUS_OK,
-    vm: {
+    execResult: {
-      exception: 1,
       exceptionError: null,
       gasRefund: new BN(0),
       gasUsed: new BN(GAS_USED_INT),
-      return: RETURN_VALUE_BUFFER
+      returnValue: RETURN_VALUE_BUFFER
     }
   },
   transactionHash: TRANSACTION_HASH
@@ -103,8 +102,7 @@ tape('converts VM result to RemixTx', function (t) {
   t.equal(remixTx.return, RETURN_VALUE_HEX)
   t.equal(remixTx.error, null)
 
-  txResult.result.vm.exception = 0
+  txResult.result.execResult.exceptionError = 'this is an error'
-  txResult.result.vm.exceptionError = 'this is an error'
   remixTx = resultToRemixTx(txResult)
   t.equal(remixTx.error, 'this is an error')
 

remix-simulator/package.json

@@ -21,10 +21,9 @@
     "commander": "^2.19.0",
     "cors": "^2.8.5",
     "ethereumjs-util": "^6.1.0",
-    "ethereumjs-vm": "3.0.0",
+    "ethereumjs-block": "^2.2.1",
     "express": "^4.16.3",
     "express-ws": "^4.0.0",
-    "fast-async": "^6.3.7",
     "merge": "^1.2.0",
     "remix-lib": "0.4.15",
     "standard": "^10.0.3",

remix-simulator/src/genesis.js

@@ -17,7 +17,7 @@ function generateBlock () {
     uncleHeaders: []
   })
 
-  executionContext.vm().runBlock({ block: block, generate: true, skipBlockValidation: true, skipBalance: false }, function () {
+  executionContext.vm().runBlock({ block: block, generate: true, skipBlockValidation: true, skipBalance: false }).then(function () {
     executionContext.addBlock(block)
   })
 }

remix-simulator/src/methods/txProcess.js

@@ -8,11 +8,8 @@ function runCall (payload, from, to, data, value, gasLimit, txRunner, callbacks,
     if (err) {
       return callback(err)
     }
-
+    const returnValue = result.result.execResult.returnValue.toString('hex')
-    let toReturn = '0x' + result.result.vm.return.toString('hex')
+    const toReturn = `0x${returnValue || '0'}`
-    if (toReturn === '0x') {
-      toReturn = '0x0'
-    }
     return callback(null, toReturn)
   }