linting working fine

libs/remix-debug/.eslintrc

@@ -3,7 +3,8 @@
     "rules": {
         "@typescript-eslint/no-var-requires": "off",
         "@typescript-eslint/no-unused-vars": "off",
-        "@typescript-eslint/no-this-alias": "off"
+        "@typescript-eslint/no-this-alias": "off",
+        "camelcase": "off"
     }, 
     "env": {
         "browser": true,

libs/remix-debug/src/Ethdebugger.ts

@@ -22,7 +22,6 @@ import { SolidityProxy, stateDecoder, localDecoder, InternalCallTree } from './s
   * @param {Map} opts  -  { function compilationResult } //
   */
 export class Ethdebugger {
-
   compilationResult
   web3
   opts
@@ -42,9 +41,9 @@ export class Ethdebugger {
     this.opts = opts
 
     this.event = new EventManager()
-    this.traceManager = new TraceManager({web3: this.web3})
+    this.traceManager = new TraceManager({ web3: this.web3 })
     this.codeManager = new CodeManager(this.traceManager)
-    this.solidityProxy = new SolidityProxy({getCurrentCalledAddressAt: this.traceManager.getCurrentCalledAddressAt.bind(this.traceManager), getCode: this.codeManager.getCode.bind(this.codeManager)})
+    this.solidityProxy = new SolidityProxy({ getCurrentCalledAddressAt: this.traceManager.getCurrentCalledAddressAt.bind(this.traceManager), getCode: this.codeManager.getCode.bind(this.codeManager) })
     this.storageResolver = null
 
     const includeLocalVariables = true
@@ -52,13 +51,13 @@ export class Ethdebugger {
       this.traceManager,
       this.solidityProxy,
       this.codeManager,
-        { ...opts, includeLocalVariables})
+      { ...opts, includeLocalVariables })
   }
 
   setManagers () {
-    this.traceManager = new TraceManager({web3: this.web3})
+    this.traceManager = new TraceManager({ web3: this.web3 })
     this.codeManager = new CodeManager(this.traceManager)
-    this.solidityProxy = new SolidityProxy({getCurrentCalledAddressAt: this.traceManager.getCurrentCalledAddressAt.bind(this.traceManager), getCode: this.codeManager.getCode.bind(this.codeManager)})
+    this.solidityProxy = new SolidityProxy({ getCurrentCalledAddressAt: this.traceManager.getCurrentCalledAddressAt.bind(this.traceManager), getCode: this.codeManager.getCode.bind(this.codeManager) })
     this.storageResolver = null
     const includeLocalVariables = true
 
@@ -66,7 +65,7 @@ export class Ethdebugger {
       this.traceManager,
       this.solidityProxy,
       this.codeManager,
-        { ...this.opts, includeLocalVariables})
+      { ...this.opts, includeLocalVariables })
     this.event.trigger('managersChanged')
   }
 
@@ -108,8 +107,8 @@ export class Ethdebugger {
       try {
         const storageViewer = new StorageViewer({ stepIndex: step, tx: this.tx, address: address }, this.storageResolver, this.traceManager)
         const locals = await localDecoder.solidityLocals(step, this.callTree, stack, memory, storageViewer, sourceLocation, null)
-        if (locals['error']) {
-          return callback(locals['error'])
+        if (locals.error) {
+          return callback(locals.error)
         }
         return callback(null, locals)
       } catch (e) {
@@ -128,7 +127,7 @@ export class Ethdebugger {
   async decodeStateAt (step, stateVars, callback) {
     try {
       const address = this.traceManager.getCurrentCalledAddressAt(step)
-      const storageViewer = new StorageViewer({stepIndex: step, tx: this.tx, address: address}, this.storageResolver, this.traceManager)
+      const storageViewer = new StorageViewer({ stepIndex: step, tx: this.tx, address: address }, this.storageResolver, this.traceManager)
       const result = await stateDecoder.decodeState(stateVars, storageViewer)
       return result
     } catch (error) {
@@ -137,7 +136,7 @@ export class Ethdebugger {
   }
 
   storageViewAt (step, address) {
-    return new StorageViewer({stepIndex: step, tx: this.tx, address: address}, this.storageResolver, this.traceManager)
+    return new StorageViewer({ stepIndex: step, tx: this.tx, address: address }, this.storageResolver, this.traceManager)
   }
 
   updateWeb3 (web3) {
@@ -164,7 +163,7 @@ export class Ethdebugger {
       if (this.breakpointManager && this.breakpointManager.hasBreakpoint()) {
         this.breakpointManager.jumpNextBreakpoint(false)
       }
-      this.storageResolver = new StorageResolver({web3: this.traceManager.web3})
+      this.storageResolver = new StorageResolver({ web3: this.traceManager.web3 })
     }).catch((error) => {
       this.statusMessage = error ? error.message : 'Trace not loaded'
     })

libs/remix-debug/src/cmdline/index.ts

@@ -3,7 +3,6 @@ import { Debugger } from '../debugger/debugger.js'
 import { EventEmitter } from 'events'
 
 export class CmdLine {
-
   events
   lineColumnPos
   rawLocation
@@ -28,8 +27,8 @@ export class CmdLine {
 
   loadCompilationData (inputJson, outputJson) {
     const data = {}
-    data['data'] = outputJson
-    data['source'] = { sources: inputJson.sources }
+    data.data = outputJson
+    data.source = { sources: inputJson.sources }
     this.loadCompilationResult(data)
   }
 

libs/remix-debug/src/code/breakpointManager.ts

@@ -9,7 +9,6 @@ import { isJumpDestInstruction } from '../trace/traceHelper'
   * Trigger events: breakpointHit, breakpointAdded, breakpointRemoved
   */
 export class BreakpointManager {
-
   event
   traceManager
   callTree
@@ -24,17 +23,16 @@ export class BreakpointManager {
     * @param {Object} _debugger - type of EthDebugger
     * @return {Function} _locationToRowConverter - function implemented by editor which return a column/line position for a char source location
     */
-  constructor ({traceManager, callTree, solidityProxy, locationToRowConverter}) {
+  constructor ({ traceManager, callTree, solidityProxy, locationToRowConverter }) {
     this.event = new EventManager()
     this.traceManager = traceManager
     this.callTree = callTree
     this.solidityProxy = solidityProxy
     this.breakpoints = {}
     this.locationToRowConverter = locationToRowConverter
-    this.previousLine
   }
 
-  setManagers({traceManager, callTree, solidityProxy}) {
+  setManagers ({ traceManager, callTree, solidityProxy }) {
     this.traceManager = traceManager
     this.callTree = callTree
     this.solidityProxy = solidityProxy
@@ -68,7 +66,7 @@ export class BreakpointManager {
     return trace[step].depth !== trace[step - 1].depth
   }
 
-  hitLine(currentStep, sourceLocation, previousSourceLocation, trace) {
+  hitLine (currentStep, sourceLocation, previousSourceLocation, trace) {
     // isJumpDestInstruction -> returning from a internal function call
     // depthChange -> returning from an external call
     // sourceLocation.start <= previousSourceLocation.start && ... -> previous src is contained in the current one
@@ -101,7 +99,7 @@ export class BreakpointManager {
       } catch (e) {
         return console.log('cannot jump to breakpoint ' + e)
       }
-      let lineColumn = await this.locationToRowConverter(sourceLocation)
+      const lineColumn = await this.locationToRowConverter(sourceLocation)
       if (this.previousLine !== lineColumn.start.line) {
         if (direction === -1 && lineHadBreakpoint) { // TODO : improve this when we will build the correct structure before hand
           lineHadBreakpoint = false
@@ -143,7 +141,7 @@ export class BreakpointManager {
       return false
     }
     const sources = this.breakpoints[filename]
-    for (let k in sources) {
+    for (const k in sources) {
       const source = sources[k]
       if (line === source.row) {
         return true
@@ -157,7 +155,7 @@ export class BreakpointManager {
     * @return {Bool} true if breapoint registered
     */
   hasBreakpoint () {
-    for (let k in this.breakpoints) {
+    for (const k in this.breakpoints) {
       if (this.breakpoints[k].length) {
         return true
       }
@@ -188,7 +186,7 @@ export class BreakpointManager {
     if (!sources) {
       return
     }
-    for (let k in sources) {
+    for (const k in sources) {
       const source = sources[k]
       if (sourceLocation.row === source.row) {
         sources.splice(k, 1)

libs/remix-debug/src/code/codeManager.ts

@@ -13,17 +13,17 @@ import { CodeResolver } from './codeResolver'
 */
 
 export class CodeManager {
-
   event
   isLoading: boolean
   traceManager
   codeResolver
 
-  constructor(_traceManager) {
+  constructor (_traceManager) {
     this.event = new EventManager()
     this.isLoading = false
     this.traceManager = _traceManager
-    this.codeResolver = new CodeResolver({getCode: async (address) => {
+    this.codeResolver = new CodeResolver({
+      getCode: async (address) => {
         return new Promise((resolve, reject) => {
           this.traceManager.web3.eth.getCode(address, (error, code) => {
             if (error) {
@@ -32,7 +32,8 @@ export class CodeManager {
             return resolve(code)
           })
         })
-    }})
+      }
+    })
   }
 
   /**

libs/remix-debug/src/code/codeResolver.ts

@@ -2,13 +2,12 @@
 import { nameOpCodes } from './codeUtils'
 
 export class CodeResolver {
-
   getCode
   bytecodeByAddress
   instructionsByAddress
   instructionsIndexByBytesOffset
 
-  constructor({getCode}) {
+  constructor ({ getCode }) {
     this.getCode = getCode
     this.bytecodeByAddress = {} // bytes code by contract addesses
     this.instructionsByAddress = {} // assembly items instructions list by contract addesses
@@ -41,7 +40,7 @@ export class CodeResolver {
 
   formatCode (hexCode) {
     const [code, instructionsIndexByBytesOffset] = nameOpCodes(Buffer.from(hexCode.substring(2), 'hex'))
-    return {code, instructionsIndexByBytesOffset}
+    return { code, instructionsIndexByBytesOffset }
   }
 
   getExecutingCodeFromCache (address) {

libs/remix-debug/src/code/codeUtils.ts

@@ -22,7 +22,7 @@ export function nameOpCodes (raw) {
     code.push(this.pad(pc, this.roundLog(raw.length, 10)) + ' ' + curOpCode + data)
     pushData = ''
   }
-  return [ code, codeMap ]
+  return [code, codeMap]
 }
 
 /**
@@ -35,11 +35,11 @@ export function parseCode (raw) {
     const opcode = opcodes(raw[i], true)
     if (opcode.name.slice(0, 4) === 'PUSH') {
       const length = raw[i] - 0x5f
-      opcode['pushData'] = raw.slice(i + 1, i + length + 1)
+      opcode.pushData = raw.slice(i + 1, i + length + 1)
       // in case pushdata extends beyond code
       if (i + 1 + length > raw.length) {
-        for (let j = opcode['pushData'].length; j < length; j++) {
-          opcode['pushData'].push(0)
+        for (let j = opcode.pushData.length; j < length; j++) {
+          opcode.pushData.push(0)
         }
       }
       i += length
@@ -62,4 +62,3 @@ export function log (num, base) {
 export function roundLog (num, base) {
   return Math.ceil(this.log(num, base))
 }
-

libs/remix-debug/src/code/opcodes.ts

@@ -189,5 +189,5 @@ export default function (op, full) {
     }
   }
 
-  return {name: opcode, fee: code[1], in: code[2], out: code[3], dynamic: code[4], async: code[5]}
+  return { name: opcode, fee: code[1], in: code[2], out: code[3], dynamic: code[4], async: code[5] }
 }

libs/remix-debug/src/debugger/VmDebugger.ts

@@ -7,7 +7,6 @@ import { DebuggerSolidityLocals } from './solidityLocals'
 const { ui } = helpers
 
 export class VmDebuggerLogic {
-
   event
   debugger
   stepManager
@@ -212,7 +211,7 @@ export class VmDebuggerLogic {
 
   listenToNewChanges () {
     this.debugger.event.register('newTraceLoaded', this, () => {
-      this.storageResolver = new StorageResolver({web3: this.debugger.web3})
+      this.storageResolver = new StorageResolver({ web3: this.debugger.web3 })
       this.debuggerSolidityState.storageResolver = this.storageResolver
       this.debuggerSolidityLocals.storageResolver = this.storageResolver
       this.event.trigger('newTrace', [])
@@ -259,5 +258,4 @@ export class VmDebuggerLogic {
       this.event.trigger('traceReturnValueUpdate', [data, header])
     })
   }
-
 }

libs/remix-debug/src/debugger/debugger.ts

@@ -7,7 +7,6 @@ import { DebuggerStepManager } from './stepManager'
 import { VmDebuggerLogic } from './VmDebugger'
 
 export class Debugger {
-
   event
   offsetToLineColumnConverter
   compilationResult
@@ -27,19 +26,24 @@ export class Debugger {
     this.debugger = new Ethdebugger({
       web3: options.web3,
       debugWithGeneratedSources: options.debugWithGeneratedSources,
-      compilationResult: this.compilationResult,
+      compilationResult: this.compilationResult
     })
 
-    const {traceManager, callTree, solidityProxy} = this.debugger
-    this.breakPointManager = new BreakpointManager({traceManager, callTree, solidityProxy, locationToRowConverter: async (sourceLocation) => {
+    const { traceManager, callTree, solidityProxy } = this.debugger
+    this.breakPointManager = new BreakpointManager({
+      traceManager,
+      callTree,
+      solidityProxy,
+      locationToRowConverter: async (sourceLocation) => {
         const compilationResult = await this.compilationResult()
         if (!compilationResult) return { start: null, end: null }
         return this.offsetToLineColumnConverter.offsetToLineColumn(sourceLocation, sourceLocation.file, compilationResult.source.sources, compilationResult.data.sources)
-    }})
+      }
+    })
 
     this.breakPointManager.event.register('managersChanged', () => {
-      const {traceManager, callTree, solidityProxy} = this.debugger
-      this.breakPointManager.setManagers({traceManager, callTree, solidityProxy})
+      const { traceManager, callTree, solidityProxy } = this.debugger
+      this.breakPointManager.setManagers({ traceManager, callTree, solidityProxy })
     })
 
     this.breakPointManager.event.register('breakpointStep', (step) => {
@@ -115,14 +119,14 @@ export class Debugger {
         if (txNumber.indexOf('0x') !== -1) {
           return web3.eth.getTransaction(txNumber, (_error, tx) => {
             if (_error) return reject(_error)
-            if (!tx) return reject('cannot find transaction ' + txNumber)
+            if (!tx) return reject(new Error('cannot find transaction ' + txNumber))
             this.debugTx(tx, loadingCb)
             return resolve()
           })
         }
         web3.eth.getTransactionFromBlock(blockNumber, txNumber, (_error, tx) => {
           if (_error) return reject(_error)
-          if (!tx) return reject('cannot find transaction ' + blockNumber + ' ' + txNumber)
+          if (!tx) return reject(new Error('cannot find transaction ' + blockNumber + ' ' + txNumber))
           this.debugTx(tx, loadingCb)
           return resolve()
         })

libs/remix-debug/src/debugger/solidityLocals.ts

@@ -3,7 +3,6 @@ import { solidityLocals } from '../solidity-decoder/localDecoder'
 import { StorageViewer } from '../storage/storageViewer'
 
 export class DebuggerSolidityLocals {
-
   event
   stepManager
   internalTreeCall
@@ -75,14 +74,14 @@ export class DebuggerSolidityLocals {
         var storageViewer = new StorageViewer({ stepIndex: this.stepManager.currentStepIndex, tx: this.tx, address: result[2].value }, this.storageResolver, this.traceManager)
         solidityLocals(this.stepManager.currentStepIndex, this.internalTreeCall, stack, memory, storageViewer, sourceLocation, cursor).then((locals) => {
           if (!cursor) {
-            if (!locals['error']) {
+            if (!locals.error) {
               this.event.trigger('solidityLocals', [locals])
             }
             if (!Object.keys(locals).length) {
               this.event.trigger('solidityLocalsMessage', ['no locals'])
             }
           } else {
-            if (!locals['error']) {
+            if (!locals.error) {
               this.event.trigger('solidityLocalsLoadMoreCompleted', [locals])
             }
           }

libs/remix-debug/src/debugger/solidityState.ts

@@ -3,7 +3,6 @@ import { decodeState } from '../solidity-decoder/stateDecoder'
 import { StorageViewer } from '../storage/storageViewer'
 
 export class DebuggerSolidityState {
-
   event
   storageResolver
   stepManager
@@ -78,8 +77,8 @@ export class DebuggerSolidityState {
     const storageViewer = new StorageViewer({ stepIndex: this.stepManager.currentStepIndex, tx: this.tx, address: address }, this.storageResolver, this.traceManager)
     decodeState(stateVars, storageViewer).then((result) => {
       this.event.trigger('solidityStateMessage', [''])
-      if (result['error']) {
-        return this.event.trigger('solidityStateMessage', [result['error']])
+      if (result.error) {
+        return this.event.trigger('solidityStateMessage', [result.error])
       }
       this.event.trigger('solidityState', [result])
     })

libs/remix-debug/src/debugger/stepManager.ts

@@ -2,7 +2,6 @@ import { util } from '@remix-project/remix-lib'
 import { EventManager } from '../eventManager'
 
 export class DebuggerStepManager {
-
   event
   debugger
   traceManager
@@ -52,7 +51,7 @@ export class DebuggerStepManager {
       this.traceManager.buildCallPath(index).then((callsPath) => {
         this.currentCall = callsPath[callsPath.length - 1]
         if (this.currentCall.reverted) {
-          let revertedReason = this.currentCall.outofgas ? 'outofgas' : ''
+          const revertedReason = this.currentCall.outofgas ? 'outofgas' : ''
           this.revertionPoint = this.currentCall.return
           return this.event.trigger('revertWarning', [revertedReason])
         }
@@ -82,7 +81,7 @@ export class DebuggerStepManager {
         stepState = 'end'
       }
 
-      let jumpOutDisabled = (step === this.traceManager.findStepOut(step))
+      const jumpOutDisabled = (step === this.traceManager.findStepOut(step))
 
       this.event.trigger('stepChanged', [step, stepState, jumpOutDisabled])
     })
@@ -128,7 +127,7 @@ export class DebuggerStepManager {
     if (!this.traceManager.isLoaded()) return
     if (this.currentStepIndex >= this.traceLength - 1) return
     let step = this.currentStepIndex + 1
-    let scope = this.debugger.callTree.findScope(step)
+    const scope = this.debugger.callTree.findScope(step)
     if (scope && scope.firstStep === step) {
       step = scope.lastStep + 1
     }
@@ -168,7 +167,7 @@ export class DebuggerStepManager {
   }
 
   calculateFirstStep () {
-    let step = this.resolveToReducedTrace(0, 1)
+    const step = this.resolveToReducedTrace(0, 1)
     return this.resolveToReducedTrace(step, 1)
   }
 
@@ -176,7 +175,7 @@ export class DebuggerStepManager {
     let step = 0
     let steps = []
     while (step < this.traceLength) {
-      let _step = this.resolveToReducedTrace(step, 1)
+      const _step = this.resolveToReducedTrace(step, 1)
       if (!_step) break
       steps.push(_step)
       step += 1
@@ -211,5 +210,4 @@ export class DebuggerStepManager {
     }
     return this.debugger.callTree.reducedTrace[nextSource]
   }
-
 }

libs/remix-debug/src/eventManager.ts

 'use strict'
 
 export class EventManager {
-
   registered
   anonymous
 
-  constructor() {
+  constructor () {
     this.registered = {}
     this.anonymous = {}
   }
@@ -26,7 +25,7 @@ export class EventManager {
       func = obj
       obj = this.anonymous
     }
-    for (let reg in this.registered[eventName]) {
+    for (const reg in this.registered[eventName]) {
       if (this.registered[eventName][reg].obj === obj && this.registered[eventName][reg].func === func) {
         this.registered[eventName].splice(reg, 1)
       }
@@ -66,7 +65,7 @@ export class EventManager {
     if (!this.registered[eventName]) {
       return
     }
-    for (let listener in this.registered[eventName]) {
+    for (const listener in this.registered[eventName]) {
       const l = this.registered[eventName][listener]
       l.func.apply(l.obj === this.anonymous ? {} : l.obj, args)
     }

libs/remix-debug/src/init.ts

@@ -19,11 +19,11 @@ export function setProvider (web3, url) {
 
 export function web3DebugNode (network) {
   const web3DebugNodes = {
-    'Main': 'https://rpc.archivenode.io/e50zmkroshle2e2e50zm0044i7ao04ym',
-    'Rinkeby': 'https://remix-rinkeby.ethdevops.io',
-    'Ropsten': 'https://remix-ropsten.ethdevops.io',
-    'Goerli': 'https://remix-goerli.ethdevops.io',
-    'Kovan': 'https://remix-kovan.ethdevops.io'
+    Main: 'https://rpc.archivenode.io/e50zmkroshle2e2e50zm0044i7ao04ym',
+    Rinkeby: 'https://remix-rinkeby.ethdevops.io',
+    Ropsten: 'https://remix-ropsten.ethdevops.io',
+    Goerli: 'https://remix-goerli.ethdevops.io',
+    Kovan: 'https://remix-kovan.ethdevops.io'
   }
   if (web3DebugNodes[network]) {
     return loadWeb3(web3DebugNodes[network])
@@ -71,4 +71,3 @@ export function extend (web3) {
     })
   }
 }
-

libs/remix-debug/src/solidity-decoder/astHelper.ts

@@ -14,7 +14,7 @@ export function extractContractDefinitions (sourcesList) {
     sourcesByContract: {}
   }
   const walker = new AstWalker()
-  for (let k in sourcesList) {
+  for (const k in sourcesList) {
     walker.walkFull(sourcesList[k].ast, (node) => {
       if (node.nodeType === 'ContractDefinition') {
         ret.contractsById[node.id] = node
@@ -58,9 +58,9 @@ export function extractStateDefinitions (contractName, sourcesList, contracts) {
   const stateVar = []
   const baseContracts = getLinearizedBaseContracts(node.id, contracts.contractsById)
   baseContracts.reverse()
-  for (let k in baseContracts) {
+  for (const k in baseContracts) {
     const ctr = baseContracts[k]
-    for (let i in ctr.nodes) {
+    for (const i in ctr.nodes) {
       const item = ctr.nodes[i]
       stateItems.push(item)
       if (item.nodeType === 'VariableDeclaration') {
@@ -68,7 +68,7 @@ export function extractStateDefinitions (contractName, sourcesList, contracts) {
       }
     }
   }
-  return {stateDefinitions: stateItems, stateVariables: stateVar}
+  return { stateDefinitions: stateItems, stateVariables: stateVar }
 }
 
 /**
@@ -83,7 +83,7 @@ export function extractStatesDefinitions (sourcesList, contracts) {
     contracts = extractContractDefinitions(sourcesList)
   }
   const ret = {}
-  for (let contract in contracts.contractsById) {
+  for (const contract in contracts.contractsById) {
     const name = contracts.contractsById[contract].name
     const source = contracts.sourcesByContract[contract]
     const fullName = source + ':' + name
@@ -93,4 +93,3 @@ export function extractStatesDefinitions (sourcesList, contracts) {
   }
   return ret
 }
-

libs/remix-debug/src/solidity-decoder/decodeInfo.ts

@@ -28,8 +28,8 @@ function mapping (type, stateDefinitions, contractName) {
   const valueType = parseType(valueTypeName, stateDefinitions, contractName, 'storage')
 
   var underlyingTypes = {
-    'keyType': keyType,
-    'valueType': valueType
+    keyType: keyType,
+    valueType: valueType
   }
   return new MappingType(underlyingTypes, 'location', removeLocation(type))
 }
@@ -41,7 +41,7 @@ function mapping (type, stateDefinitions, contractName) {
   * @return {Object} returns decoded info about the current type: { storageBytes, typeName}
   */
 function uint (type) {
-  type === 'uint' ? 'uint256' : type
+  type = type === 'uint' ? 'uint256' : type
   const storageBytes = parseInt(type.replace('uint', '')) / 8
   return new UintType(storageBytes)
 }
@@ -53,7 +53,7 @@ function uint (type) {
   * @return {Object} returns decoded info about the current type: { storageBytes, typeName}
   */
 function int (type) {
-  type === 'int' ? 'int256' : type
+  type = type === 'int' ? 'int256' : type
   const storageBytes = parseInt(type.replace('int', '')) / 8
   return new IntType(storageBytes)
 }
@@ -139,7 +139,6 @@ function stringType (type, stateDefinitions, contractName, location) {
   * @return {Object} returns decoded info about the current type: { storageBytes, typeName, arraySize, subArray}
   */
 function array (type, stateDefinitions, contractName, location) {
-  let arraySize
   const match = type.match(/(.*)\[(.*?)\]( storage ref| storage pointer| memory| calldata)?$/)
   if (!match) {
     console.log('unable to parse type ' + type)
@@ -148,7 +147,7 @@ function array (type, stateDefinitions, contractName, location) {
   if (!location) {
     location = match[3].trim()
   }
-  arraySize = match[2] === '' ? 'dynamic' : parseInt(match[2])
+  const arraySize = match[2] === '' ? 'dynamic' : parseInt(match[2])
   const underlyingType = parseType(match[1], stateDefinitions, contractName, location)
   if (underlyingType === null) {
     console.log('unable to parse type ' + type)
@@ -215,7 +214,7 @@ function getEnum (type, stateDefinitions, contractName) {
   }
   const state = stateDefinitions[contractName]
   if (state) {
-    for (let dec of state.stateDefinitions) {
+    for (const dec of state.stateDefinitions) {
       if (dec && dec.name && type === contractName + '.' + dec.name) {
         return dec
       }
@@ -242,7 +241,7 @@ function getStructMembers (type, stateDefinitions, contractName, location) {
   }
   const state = stateDefinitions[contractName]
   if (state) {
-    for (let dec of state.stateDefinitions) {
+    for (const dec of state.stateDefinitions) {
       if (dec.nodeType === 'StructDefinition' && type === contractName + '.' + dec.name) {
         const offsets = computeOffsets(dec.members, stateDefinitions, contractName, location)
         if (!offsets) {
@@ -290,18 +289,18 @@ function typeClass (fullType) {
   */
 function parseType (type, stateDefinitions, contractName, location) {
   const decodeInfos = {
-    'contract': address,
-    'address': address,
-    'array': array,
-    'bool': bool,
-    'bytes': dynamicByteArray,
-    'bytesX': fixedByteArray,
-    'enum': enumType,
-    'string': stringType,
-    'struct': struct,
-    'int': int,
-    'uint': uint,
-    'mapping': mapping
+    contract: address,
+    address: address,
+    array: array,
+    bool: bool,
+    bytes: dynamicByteArray,
+    bytesX: fixedByteArray,
+    enum: enumType,
+    string: stringType,
+    struct: struct,
+    int: int,
+    uint: uint,
+    mapping: mapping
   }
   const currentType = typeClass(type)
   if (currentType === null) {

libs/remix-debug/src/solidity-decoder/internalCallTree.ts

@@ -13,7 +13,6 @@ import { extractLocationFromAstVariable } from './types/util.js'
  * Triggers `callTreeBuildFailed` event when tree fails to build
  */
 export class InternalCallTree {
-
   includeLocalVariables
   debugWithGeneratedSources
   event
@@ -121,21 +120,21 @@ export class InternalCallTree {
   }
 
   retrieveFunctionsStack (vmtraceIndex) {
-    let scope = this.findScope(vmtraceIndex)
+    const scope = this.findScope(vmtraceIndex)
     if (!scope) return []
     let scopeId = this.scopeStarts[scope.firstStep]
-    let functions = []
+    const functions = []
     if (!scopeId) return functions
     let i = 0
     // eslint-disable-next-line no-constant-condition
     while (true) {
       i += 1
       if (i > 1000) throw new Error('retrieFunctionStack: recursion too deep')
-      let functionDefinition = this.functionDefinitionsByScope[scopeId]
+      const functionDefinition = this.functionDefinitionsByScope[scopeId]
       if (functionDefinition !== undefined) {
         functions.push(functionDefinition)
       }
-      let parent = this.parentScope(scopeId)
+      const parent = this.parentScope(scopeId)
       if (!parent) break
       else scopeId = parent
     }
@@ -294,8 +293,8 @@ async function includeVariableDeclaration (tree, step, sourceLocation, scopeId,
       const stack = tree.traceManager.getStackAt(step)
       states = tree.solidityProxy.extractStatesDefinitions()
       if (functionDefinition.parameters) {
-        let inputs = functionDefinition.parameters
-        let outputs = functionDefinition.returnParameters
+        const inputs = functionDefinition.parameters
+        const outputs = functionDefinition.returnParameters
         // for (const element of functionDefinition.parameters) {
         //   if (element.nodeType === 'ParameterList') {
         //     if (!inputs) inputs = element
@@ -369,8 +368,8 @@ function extractFunctionDefinitions (ast, astWalker) {
 }
 
 function addParams (parameterList, tree, scopeId, states, contractName, sourceLocation, stackLength, stackPosition, dir) {
-  let params = []
-  for (let inputParam in parameterList.parameters) {
+  const params = []
+  for (const inputParam in parameterList.parameters) {
     const param = parameterList.parameters[inputParam]
     const stackDepth = stackLength + (dir * stackPosition)
     if (stackDepth >= 0) {

libs/remix-debug/src/solidity-decoder/localDecoder.ts

@@ -3,13 +3,13 @@
 export async function solidityLocals (vmtraceIndex, internalTreeCall, stack, memory, storageResolver, currentSourceLocation, cursor) {
   const scope = internalTreeCall.findScope(vmtraceIndex)
   if (!scope) {
-    const error = { 'message': 'Can\'t display locals. reason: compilation result might not have been provided' }
+    const error = { message: 'Can\'t display locals. reason: compilation result might not have been provided' }
     throw error
   }
   const locals = {}
   memory = formatMemory(memory)
   let anonymousIncr = 1
-  for (let local in scope.locals) {
+  for (const local in scope.locals) {
     var variable = scope.locals[local]
     if (variable.stackDepth < stack.length && variable.sourceLocation.start <= currentSourceLocation.start) {
       let name = variable.name

libs/remix-debug/src/solidity-decoder/solidityProxy.ts

@@ -5,14 +5,13 @@ import { extractStateVariables } from './stateDecoder'
 import { extractContractDefinitions, extractStatesDefinitions } from './astHelper'
 
 export class SolidityProxy {
-
   cache
   getCurrentCalledAddressAt
   getCode
   sources
   contracts
 
-  constructor ({getCurrentCalledAddressAt, getCode}) {
+  constructor ({ getCurrentCalledAddressAt, getCode }) {
     this.cache = new Cache()
     this.reset({})
     this.getCurrentCalledAddressAt = getCurrentCalledAddressAt
@@ -127,8 +126,8 @@ export class SolidityProxy {
 
 function contractObjectFromCode (contracts, code, address) {
   const isCreation = isContractCreation(address)
-  for (let file in contracts) {
-    for (let contract in contracts[file]) {
+  for (const file in contracts) {
+    for (const contract in contracts[file]) {
       const bytecode = isCreation ? contracts[file][contract].evm.bytecode.object : contracts[file][contract].evm.deployedBytecode.object
       if (util.compareByteCode(code, '0x' + bytecode)) {
         return { name: contract, contract: contracts[file][contract] }
@@ -139,7 +138,6 @@ function contractObjectFromCode (contracts, code, address) {
 }
 
 class Cache {
-
   contractObjectByAddress
   stateVariablesByContractName
   contractDeclarations
@@ -148,6 +146,7 @@ class Cache {
   constructor () {
     this.reset()
   }
+
   reset () {
     this.contractObjectByAddress = {}
     this.stateVariablesByContractName = {}

libs/remix-debug/src/solidity-decoder/types/ArrayType.ts

@@ -6,7 +6,6 @@ import { RefType } from './RefType'
 const sha3256 = util.sha3_256
 
 export class ArrayType extends RefType {
-
   underlyingType
   arraySize
 
@@ -72,7 +71,7 @@ export class ArrayType extends RefType {
         currentLocation.offset = 0
       }
     }
-    return {value: ret, length: '0x' + size.toString(16), type: this.typeName}
+    return { value: ret, length: '0x' + size.toString(16), type: this.typeName }
   }
 
   decodeFromMemoryInternal (offset, memory, skip) {

libs/remix-debug/src/solidity-decoder/types/DynamicByteArray.ts

@@ -16,7 +16,7 @@ export class DynamicByteArray extends RefType {
       value = await extractHexValue(location, storageResolver, this.storageBytes)
     } catch (e) {
       console.log(e)
-      return {value: '<decoding failed - ' + e.message + '>', type: this.typeName}
+      return { value: '<decoding failed - ' + e.message + '>', type: this.typeName }
     }
     const bn = new BN(value, 16)
     if (bn.testn(0)) {
@@ -28,7 +28,7 @@ export class DynamicByteArray extends RefType {
         currentSlot = await readFromStorage(dataPos, storageResolver)
       } catch (e) {
         console.log(e)
-        return {value: '<decoding failed - ' + e.message + '>', type: this.typeName}
+        return { value: '<decoding failed - ' + e.message + '>', type: this.typeName }
       }
       while (length.gt(new BN(ret.length)) && ret.length < 32000) {
         currentSlot = currentSlot.replace('0x', '')
@@ -38,13 +38,13 @@ export class DynamicByteArray extends RefType {
           currentSlot = await readFromStorage(dataPos, storageResolver)
         } catch (e) {
           console.log(e)
-          return {value: '<decoding failed - ' + e.message + '>', type: this.typeName}
+          return { value: '<decoding failed - ' + e.message + '>', type: this.typeName }
         }
       }
-      return {value: '0x' + ret.replace(/(00)+$/, ''), length: '0x' + length.toString(16), type: this.typeName}
+      return { value: '0x' + ret.replace(/(00)+$/, ''), length: '0x' + length.toString(16), type: this.typeName }
     } else {
       var size = parseInt(value.substr(value.length - 2, 2), 16) / 2
-      return {value: '0x' + value.substr(0, size * 2), length: '0x' + size.toString(16), type: this.typeName}
+      return { value: '0x' + value.substr(0, size * 2), length: '0x' + size.toString(16), type: this.typeName }
     }
   }
 
@@ -52,7 +52,6 @@ export class DynamicByteArray extends RefType {
     offset = 2 * offset
     let length = memory.substr(offset, 64)
     length = 2 * parseInt(length, 16)
-    return {length: '0x' + length.toString(16), value: '0x' + memory.substr(offset + 64, length), type: this.typeName}
+    return { length: '0x' + length.toString(16), value: '0x' + memory.substr(offset + 64, length), type: this.typeName }
   }
 }
-

libs/remix-debug/src/solidity-decoder/types/Enum.ts

@@ -2,7 +2,6 @@
 import { ValueType } from './ValueType'
 
 export class Enum extends ValueType {
-
   enumDef
 
   constructor (enumDef) {

libs/remix-debug/src/solidity-decoder/types/Mapping.ts

 'use strict'
 import { RefType } from './RefType'
 import { normalizeHex } from './util'
-import { toBuffer, setLengthLeft, keccak, BN, bufferToHex} from 'ethereumjs-util'
+import { toBuffer, setLengthLeft, keccak, BN, bufferToHex } from 'ethereumjs-util'
 import { intToBuffer } from 'ethjs-util'
 
 export class Mapping extends RefType {
-
   keyType
   valueType
   initialDecodedState
@@ -34,13 +33,13 @@ export class Mapping extends RefType {
     const mappingPreimages = await storageResolver.mappingsLocation(corrections)
     let ret = await this.decodeMappingsLocation(mappingPreimages, location, storageResolver) // fetch mapping storage changes
     ret = Object.assign({}, this.initialDecodedState, ret) // merge changes
-    return {value: ret, type: this.typeName}
+    return { value: ret, type: this.typeName }
   }
 
   decodeFromMemoryInternal (offset, memory) {
     // mappings can only exist in storage and not in memory
     // so this should never be called
-    return {value: '<not implemented>', length: '0x', type: this.typeName}
+    return { value: '<not implemented>', length: '0x', type: this.typeName }
   }
 
   async decodeMappingsLocation (preimages, location, storageResolver) {
@@ -49,7 +48,7 @@ export class Mapping extends RefType {
       return {}
     }
     const ret = {}
-    for (let i in preimages[mapSlot]) {
+    for (const i in preimages[mapSlot]) {
       const mapLocation = getMappingLocation(i, location.slot)
       const globalLocation = {
         offset: location.offset,
@@ -71,13 +70,13 @@ function getMappingLocation (key, position) {
   mappingP = setLengthLeft(mappingP, 32)
   const mappingKeyBuf = concatTypedArrays(mappingK, mappingP)
   const mappingKeyPreimage: string = '0x' + mappingKeyBuf.toString('hex')
-  let mappingStorageLocation: Buffer = keccak(mappingKeyPreimage)
+  const mappingStorageLocation: Buffer = keccak(mappingKeyPreimage)
   const mappingStorageLocationinBn: BN = new BN(mappingStorageLocation, 16)
   return mappingStorageLocationinBn
 }
 
 function concatTypedArrays (a, b) { // a, b TypedArray of same type
-  let c = new (a.constructor)(a.length + b.length)
+  const c = new (a.constructor)(a.length + b.length)
   c.set(a, 0)
   c.set(b, a.length)
   return c

libs/remix-debug/src/solidity-decoder/types/RefType.ts

@@ -2,7 +2,6 @@
 import { toBN } from './util'
 
 export class RefType {
-
   location
   storageSlots
   storageBytes
@@ -28,7 +27,7 @@ export class RefType {
     */
   async decodeFromStack (stackDepth, stack, memory, storageResolver, cursor) {
     if (stack.length - 1 < stackDepth) {
-      return {error: '<decoding failed - stack underflow ' + stackDepth + '>', type: this.typeName}
+      return { error: '<decoding failed - stack underflow ' + stackDepth + '>', type: this.typeName }
     }
     let offset = stack[stack.length - 1 - stackDepth]
     if (this.isInStorage()) {
@@ -37,13 +36,13 @@ export class RefType {
         return await this.decodeFromStorage({ offset: 0, slot: offset }, storageResolver)
       } catch (e) {
         console.log(e)
-        return {error: '<decoding failed - ' + e.message + '>', type: this.typeName}
+        return { error: '<decoding failed - ' + e.message + '>', type: this.typeName }
       }
     } else if (this.isInMemory()) {
       offset = parseInt(offset, 16)
       return this.decodeFromMemoryInternal(offset, memory, cursor)
     } else {
-      return {error: '<decoding failed - no decoder for ' + this.location + '>', type: this.typeName}
+      return { error: '<decoding failed - no decoder for ' + this.location + '>', type: this.typeName }
     }
   }
 

libs/remix-debug/src/solidity-decoder/types/StringType.ts

@@ -2,7 +2,6 @@
 import { DynamicByteArray } from './DynamicByteArray'
 
 export class StringType extends DynamicByteArray {
-
   typeName
 
   constructor (location) {
@@ -42,11 +41,11 @@ function format (decoded) {
   }
   let value = decoded.value
   value = value.replace('0x', '').replace(/(..)/g, '%$1')
-  const ret = {length: decoded.length, raw: decoded.value, type: 'string'}
+  const ret = { length: decoded.length, raw: decoded.value, type: 'string' }
   try {
-    ret['value'] = decodeURIComponent(value)
+    ret.value = decodeURIComponent(value)
   } catch (e) {
-    ret['error'] = 'Invalid UTF8 encoding'
+    ret.error = 'Invalid UTF8 encoding'
     ret.raw = decoded.value
   }
   return ret

libs/remix-debug/src/solidity-decoder/types/Struct.ts

@@ -3,7 +3,6 @@ import { add } from './util'
 import { RefType } from './RefType'
 
 export class Struct extends RefType {
-
   members
 
   constructor (memberDetails, location, fullType) {
@@ -25,7 +24,7 @@ export class Struct extends RefType {
         ret[item.name] = '<decoding failed - ' + e.message + '>'
       }
     }
-    return {value: ret, type: this.typeName}
+    return { value: ret, type: this.typeName }
   }
 
   decodeFromMemoryInternal (offset, memory) {
@@ -36,6 +35,6 @@ export class Struct extends RefType {
       ret[item.name] = member
       offset += 32
     })
-    return {value: ret, type: this.typeName}
+    return { value: ret, type: this.typeName }
   }
 }

libs/remix-debug/src/solidity-decoder/types/ValueType.ts

@@ -2,7 +2,6 @@
 import { extractHexValue } from './util'
 
 export class ValueType {
-
   storageSlots
   storageBytes
   typeName
@@ -25,10 +24,10 @@ export class ValueType {
   async decodeFromStorage (location, storageResolver) {
     try {
       var value = await extractHexValue(location, storageResolver, this.storageBytes)
-      return {value: this.decodeValue(value), type: this.typeName}
+      return { value: this.decodeValue(value), type: this.typeName }
     } catch (e) {
       console.log(e)
-      return {value: '<decoding failed - ' + e.message + '>', type: this.typeName}
+      return { value: '<decoding failed - ' + e.message + '>', type: this.typeName }
     }
   }
 
@@ -47,7 +46,7 @@ export class ValueType {
     } else {
       value = this.decodeValue(stack[stack.length - 1 - stackDepth].replace('0x', ''))
     }
-    return {value, type: this.typeName}
+    return { value, type: this.typeName }
   }
 
   /**
@@ -58,7 +57,7 @@ export class ValueType {
     * @return {Object} - decoded value
     */
   decodeFromMemory (offset, memory) {
-    let value = memory.substr(2 * offset, 64)
-    return {value: this.decodeValue(value), type: this.typeName}
+    const value = memory.substr(2 * offset, 64)
+    return { value: this.decodeValue(value), type: this.typeName }
   }
 }

libs/remix-debug/src/solidity-decoder/types/util.ts

@@ -9,7 +9,7 @@ export function decodeIntFromHex (value, byteLength, signed) {
   return bigNumber.toString(10)
 }
 
-export function readFromStorage(slot, storageResolver): Promise<string> {
+export function readFromStorage (slot, storageResolver): Promise<string> {
   const hexSlot = '0x' + normalizeHex(bufferToHex(slot))
   return new Promise((resolve, reject) => {
     storageResolver.storageSlot(hexSlot, (error, slot) => {
@@ -78,7 +78,7 @@ export function removeLocation (type) {
 }
 
 export function extractLocation (type) {
-  let match = type.match(/( storage ref| storage pointer| memory| calldata)?$/)
+  const match = type.match(/( storage ref| storage pointer| memory| calldata)?$/)
   if (match[1] !== '') {
     return match[1].trim()
   }

libs/remix-debug/src/source/offsetToLineColumnConverter.ts

@@ -2,11 +2,10 @@
 import { getLinebreakPositions, convertOffsetToLineColumn } from './sourceMappingDecoder'
 
 export class OffsetToColumnConverter {
-
   lineBreakPositionsByContent
   sourceMappingDecoder
 
-  constructor(compilerEvent) {
+  constructor (compilerEvent) {
     this.lineBreakPositionsByContent = {}
     if (compilerEvent) {
       compilerEvent.register('compilationFinished', (success, data, source) => {
@@ -17,7 +16,7 @@ export class OffsetToColumnConverter {
 
   offsetToLineColumn (rawLocation, file, sources, asts) {
     if (!this.lineBreakPositionsByContent[file]) {
-      for (let filename in asts) {
+      for (const filename in asts) {
         const source = asts[filename]
         // source id was string before. in newer versions it has been changed to an integer so we need to check the type here
         if (typeof source.id === 'string') source.id = parseInt(source.id, 10)

libs/remix-debug/src/source/sourceLocationTracker.ts

@@ -8,7 +8,6 @@ import { util } from '@remix-project/remix-lib'
  * Process the source code location for the current executing bytecode
  */
 export class SourceLocationTracker {
-
   opts
   codeManager
   event
@@ -32,7 +31,7 @@ export class SourceLocationTracker {
    */
   async getSourceLocationFromInstructionIndex (address, index, contracts) {
     const sourceMap = await this.extractSourceMap(this, this.codeManager, address, contracts)
-    return atIndex(index, sourceMap['map'])
+    return atIndex(index, sourceMap.map)
   }
 
   /**
@@ -45,7 +44,7 @@ export class SourceLocationTracker {
   async getSourceLocationFromVMTraceIndex (address, vmtraceStepIndex, contracts) {
     const sourceMap = await this.extractSourceMap(this, this.codeManager, address, contracts)
     const index = this.codeManager.getInstructionIndex(address, vmtraceStepIndex)
-    return atIndex(index, sourceMap['map'])
+    return atIndex(index, sourceMap.map)
   }
 
   /**
@@ -68,7 +67,7 @@ export class SourceLocationTracker {
    * @param {Object} contractDetails - AST of compiled contracts
    */
   async getValidSourceLocationFromVMTraceIndex (address, vmtraceStepIndex, contracts) {
-    let map: Record<string, number> = { file: -1}
+    let map: Record<string, number> = { file: -1 }
     while (vmtraceStepIndex >= 0 && map.file === -1) {
       map = await this.getSourceLocationFromVMTraceIndex(address, vmtraceStepIndex, contracts)
       vmtraceStepIndex = vmtraceStepIndex - 1
@@ -83,8 +82,8 @@ export class SourceLocationTracker {
   private getSourceMap (address, code, contracts) {
     const isCreation = isContractCreation(address)
     let bytes
-    for (let file in contracts) {
-      for (let contract in contracts[file]) {
+    for (const file in contracts) {
+      for (const contract in contracts[file]) {
         const bytecode = contracts[file][contract].evm.bytecode
         const deployedBytecode = contracts[file][contract].evm.deployedBytecode
         if (!deployedBytecode) continue
@@ -110,7 +109,7 @@ export class SourceLocationTracker {
           if (!isContractCreation(address)) self.sourceMapByAddress[address] = sourceMap
           return resolve(sourceMap)
         }
-        reject('no sourcemap associated with the code ' + address)
+        reject(new Error('no sourcemap associated with the code ' + address))
       }).catch(reject)
     })
   }

libs/remix-debug/src/source/sourceMappingDecoder.ts

@@ -33,7 +33,7 @@ export function decode (value) {
 export function decompressAll (mapping) {
   const map = mapping.split(';')
   const ret = []
-  for (let k in map) {
+  for (const k in map) {
     const compressed = map[k].split(':')
     const sourceMap = {
       start: compressed[0] ? parseInt(compressed[0]) : ret[ret.length - 1].start,
@@ -74,10 +74,9 @@ export function convertOffsetToLineColumn (sourceLocation, lineBreakPositions) {
       end: convertFromCharPosition(sourceLocation.start + sourceLocation.length, lineBreakPositions)
     }
   }
-  return {start: null, end: null}
+  return { start: null, end: null }
 }
 
-
 function convertFromCharPosition (pos, lineBreakPositions) {
   let line = util.findLowerBound(pos, lineBreakPositions)
   if (lineBreakPositions[line] !== pos) {
@@ -85,7 +84,7 @@ function convertFromCharPosition (pos, lineBreakPositions) {
   }
   const beginColumn = line === 0 ? 0 : (lineBreakPositions[line - 1] + 1)
   const column = pos - beginColumn
-  return {line, column}
+  return { line, column }
 }
 
 function sourceLocationFromAstNode (astNode) {
@@ -173,7 +172,7 @@ export function nodesAtPosition (astNodeType, position, ast) {
  *  @return Object { start, length, file, jump }
  */
 export function atIndex (index, mapping) {
-  let ret = {}
+  const ret = {}
   const map = mapping.split(';')
   if (index >= map.length) {
     index = map.length - 1
@@ -184,19 +183,19 @@ export function atIndex (index, mapping) {
       continue
     }
     current = current.split(':')
-    if (ret['start'] === undefined && current[0] && current[0] !== '-1' && current[0].length) {
-      ret['start'] = parseInt(current[0])
+    if (ret.start === undefined && current[0] && current[0] !== '-1' && current[0].length) {
+      ret.start = parseInt(current[0])
     }
-    if (ret['length'] === undefined && current[1] && current[1] !== '-1' && current[1].length) {
-      ret['length'] = parseInt(current[1])
+    if (ret.length === undefined && current[1] && current[1] !== '-1' && current[1].length) {
+      ret.length = parseInt(current[1])
     }
-    if (ret['file'] === undefined && current[2] && current[2].length) {
-      ret['file'] = parseInt(current[2])
+    if (ret.file === undefined && current[2] && current[2].length) {
+      ret.file = parseInt(current[2])
     }
-    if (ret['jump'] === undefined && current[3] && current[3].length) {
-      ret['jump'] = current[3]
+    if (ret.jump === undefined && current[3] && current[3].length) {
+      ret.jump = current[3]
     }
-    if (ret['start'] !== undefined && ret['length'] !== undefined && ret['file'] !== undefined && ret['jump'] !== undefined) {
+    if (ret.start !== undefined && ret.length !== undefined && ret.file !== undefined && ret.jump !== undefined) {
       break
     }
   }

libs/remix-debug/src/storage/mappingPreimages.ts

@@ -11,12 +11,12 @@ import { sub } from '../solidity-decoder/types/util'
   */
 export async function decodeMappingsKeys (web3, storage, corrections) {
   const ret = {}
-  if (!corrections.length) corrections.push({offset: 0, slot: 0})
-  for (let hashedLoc in storage) {
+  if (!corrections.length) corrections.push({ offset: 0, slot: 0 })
+  for (const hashedLoc in storage) {
     var preimage
     try {
       const key = storage[hashedLoc].key
-      for (let k in corrections) {
+      for (const k in corrections) {
         const corrected = sub(key, corrections[k].slot).toString(16)
         preimage = await getPreimage(web3, '0x' + corrected)
         if (preimage) break

libs/remix-debug/src/storage/storageResolver.ts

@@ -7,7 +7,6 @@ import { decodeMappingsKeys } from './mappingPreimages'
   * (TODO: one instance need to be shared over all the components)
   */
 export class StorageResolver {
-
   storageByAddress
   preimagesMappingByAddress
   maxSize
@@ -93,7 +92,7 @@ export class StorageResolver {
     const result = await this.storageRangeWeb3Call(tx, address, slotKey, self.maxSize)
     const [storage, nextKey] = result
     if (!storage[slotKey] && slotKey !== self.zeroSlot) { // we don't cache the zero slot (could lead to inconsistency)
-      storage[slotKey] = {key: slotKey, value: self.zeroSlot}
+      storage[slotKey] = { key: slotKey, value: self.zeroSlot }
     }
     self.toCache(self, address, storage)
     if (slotKey === self.zeroSlot && !nextKey) { // only working if keys are sorted !!
@@ -144,7 +143,7 @@ export class StorageResolver {
             } else if (result.storage) {
               resolve([result.storage, result.nextKey])
             } else {
-              reject('the storage has not been provided')
+              reject(new Error('the storage has not been provided'))
             }
           })
       }

libs/remix-debug/src/storage/storageViewer.ts

@@ -2,13 +2,12 @@
 import { util } from '@remix-project/remix-lib'
 import { decodeMappingsKeys } from './mappingPreimages'
 
- /**
+/**
    * easier access to the storage resolver
    * Basically one instance is created foreach execution step and foreach component that need it.
    * (TODO: one instance need to be shared over all the components)
    */
 export class StorageViewer {
-
   context
   storageResolver
   web3

libs/remix-debug/src/trace/traceAnalyser.ts

@@ -2,7 +2,6 @@
 import * as traceHelper from './traceHelper'
 
 export class TraceAnalyser {
-
   traceCache
   trace
 
@@ -42,7 +41,7 @@ export class TraceAnalyser {
       const memory = this.trace[this.traceCache.memoryChanges[this.traceCache.memoryChanges.length - 1]].memory
       const noOfReturnParams = size / 64
       const memoryInString = memory.join('')
-      let returnParamsObj = []
+      const returnParamsObj = []
       for (let i = 0; i < noOfReturnParams; i++) {
         returnParamsObj.push('0x' + memoryInString.substring(offset, offset + 64))
         offset += 64
@@ -141,4 +140,3 @@ export class TraceAnalyser {
     return context
   }
 }
-

libs/remix-debug/src/trace/traceCache.ts

@@ -3,7 +3,6 @@ import { util } from '@remix-project/remix-lib'
 const { sha3_256 } = util
 
 export class TraceCache {
-
   returnValues
   currentCall
   callsTree
@@ -16,11 +15,10 @@ export class TraceCache {
   storageChanges
   sstore
 
-  constructor() {
+  constructor () {
     this.init()
   }
 
-
   init () {
     // ...Changes contains index in the vmtrace of the corresponding changes
 
@@ -53,7 +51,7 @@ export class TraceCache {
   // outOfGas has been removed because gas left logging is apparently made differently
   // in the vm/geth/eth. TODO add the error property (with about the error in all clients)
   pushCall (step, index, address, callStack, reverted) {
-    let validReturnStep = step.op === 'RETURN' || step.op === 'STOP'
+    const validReturnStep = step.op === 'RETURN' || step.op === 'STOP'
     if ((validReturnStep || reverted) && (this.currentCall)) {
       this.currentCall.call.return = index - 1
       if (!validReturnStep) {
@@ -63,7 +61,7 @@ export class TraceCache {
       this.currentCall = parent ? { call: parent.call, parent: parent.parent } : null
       return
     }
-    let call = {
+    const call = {
       op: step.op,
       address: address,
       callStack: callStack,
@@ -102,10 +100,10 @@ export class TraceCache {
 
   pushStoreChanges (index, address, key, value) {
     this.sstore[index] = {
-      'address': address,
-      'key': key,
-      'value': value,
-      'hashedKey': sha3_256(key)
+      address: address,
+      key: key,
+      value: value,
+      hashedKey: sha3_256(key)
     }
     this.storageChanges.push(index)
   }

libs/remix-debug/src/trace/traceHelper.ts

@@ -2,7 +2,7 @@
 import { helpers } from '@remix-project/remix-lib'
 const { ui } = helpers
 
-  // vmTraceIndex has to point to a CALL, CODECALL, ...
+// vmTraceIndex has to point to a CALL, CODECALL, ...
 export function resolveCalledAddress (vmTraceIndex, trace) {
   const step = trace[vmTraceIndex]
   if (isCreateInstruction(step)) {
@@ -66,4 +66,3 @@ export function contractCreationToken (index) {
 export function isContractCreation (address) {
   return address.indexOf('(Contract Creation - Step') !== -1
 }
-

libs/remix-debug/src/trace/traceManager.ts

@@ -6,7 +6,6 @@ import { isCreateInstruction } from './traceHelper'
 import { util } from '@remix-project/remix-lib'
 
 export class TraceManager {
-
   web3
   isLoading: boolean
   trace
@@ -33,10 +32,10 @@ export class TraceManager {
     try {
       const result = await this.getTrace(tx.hash)
 
-      if (result['structLogs'].length > 0) {
-        this.trace = result['structLogs']
+      if (result.structLogs.length > 0) {
+        this.trace = result.structLogs
 
-        this.traceAnalyser.analyse(result['structLogs'], tx)
+        this.traceAnalyser.analyse(result.structLogs, tx)
         this.isLoading = false
         return true
       }
@@ -82,7 +81,7 @@ export class TraceManager {
 
   getLength (callback) {
     if (!this.trace) {
-      callback('no trace available', null)
+      callback(new Error('no trace available'), null)
     } else {
       callback(null, this.trace.length)
     }
@@ -136,7 +135,7 @@ export class TraceManager {
   getStackAt (stepIndex) {
     this.checkRequestedStep(stepIndex)
     if (this.trace[stepIndex] && this.trace[stepIndex].stack) { // there's always a stack
-      let stack = this.trace[stepIndex].stack.slice(0)
+      const stack = this.trace[stepIndex].stack.slice(0)
       stack.reverse()
       return stack
     } else {
@@ -268,7 +267,7 @@ export class TraceManager {
   }
 
   waterfall (calls, stepindex, cb) {
-    let ret = []
+    const ret = []
     let retError = null
     for (var call in calls) {
       calls[call].apply(this, [stepindex, function (error, result) {

libs/remix-debug/src/trace/traceStepManager.ts

@@ -4,7 +4,6 @@ import { isCallInstruction, isCallToPrecompiledContract, isReturnInstruction } f
 import { util } from '@remix-project/remix-lib'
 
 export class TraceStepManager {
-
   traceAnalyser
 
   constructor (_traceAnalyser) {