Merge branch 'master' of https://github.com/ethereum/remix-project into dgit2

apps/remix-ide-e2e/src/tests/fileManager_api.spec.ts

@@ -147,8 +147,8 @@ const executeReadFile = `
 
 const executeCopyFile = `
   const run = async () => {
-    await remix.call('fileManager', 'copyFile', 'contracts/3_Ballot.sol', '/', 'new_contract.sol')
-    const result = await remix.call('fileManager', 'readFile', 'new_contract.sol')
+    await remix.call('fileManager', 'copyFile', 'contracts/3_Ballot.sol', '/', 'copy_contract.sol')
+    const result = await remix.call('fileManager', 'readFile', 'copy_contract.sol')
 
     console.log(result)
   }

apps/remix-ide/src/app.js

@@ -29,6 +29,7 @@ const { OffsetToLineColumnConverter } = require('./lib/offsetToLineColumnConvert
 const QueryParams = require('./lib/query-params')
 const Storage = remixLib.Storage
 const RemixDProvider = require('./app/files/remixDProvider')
+const HardhatProvider = require('./app/tabs/hardhat-provider')
 const Config = require('./config')
 const modalDialogCustom = require('./app/ui/modal-dialog-custom')
 const modalDialog = require('./app/ui/modaldialog')
@@ -277,6 +278,7 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
   const networkModule = new NetworkModule(blockchain)
   // ----------------- represent the current selected web3 provider ----
   const web3Provider = new Web3ProviderModule(blockchain)
+  const hardhatProvider = new HardhatProvider(blockchain)
   // ----------------- convert offset to line/column service -----------
   const offsetToLineColumnConverter = new OffsetToLineColumnConverter()
   registry.put({ api: offsetToLineColumnConverter, name: 'offsettolinecolumnconverter' })
@@ -313,7 +315,8 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
     terminal,
     web3Provider,
     fetchAndCompile,
-    dGitProvider
+    dGitProvider,
+    hardhatProvider
   ])
 
   // LAYOUT & SYSTEM VIEWS

apps/remix-ide/src/app/files/fileManager.js

@@ -232,9 +232,10 @@ class FileManager extends Plugin {
       await this._handleExists(dest, `Cannot paste content into ${dest}. Path does not exist.`)
       await this._handleIsDir(dest, `Cannot paste content into ${dest}. Path is not directory.`)
       const content = await this.readFile(src)
-      const copiedFileName = customName ? '/' + customName : '/' + `Copy_${helper.extractNameFromKey(src)}`
+      let copiedFilePath = dest + (customName ? '/' + customName : '/' + `Copy_${helper.extractNameFromKey(src)}`)
+      copiedFilePath = await helper.createNonClashingNameAsync(copiedFilePath, this)
 
-      await this.writeFile(dest + copiedFileName, content)
+      await this.writeFile(copiedFilePath, content)
     } catch (e) {
       throw new Error(e)
     }
@@ -262,7 +263,8 @@ class FileManager extends Plugin {
 
   async inDepthCopy (src, dest, count = 0) {
     const content = await this.readdir(src)
-    const copiedFolderPath = count === 0 ? dest + '/' + `Copy_${helper.extractNameFromKey(src)}` : dest + '/' + helper.extractNameFromKey(src)
+    let copiedFolderPath = count === 0 ? dest + '/' + `Copy_${helper.extractNameFromKey(src)}` : dest + '/' + helper.extractNameFromKey(src)
+    copiedFolderPath = await helper.createNonClashingDirNameAsync(copiedFolderPath, this)
 
     await this.mkdir(copiedFolderPath)
 

apps/remix-ide/src/app/files/remixd-handle.js

@@ -4,6 +4,7 @@ import * as packageJson from '../../../../../package.json'
 var yo = require('yo-yo')
 var modalDialog = require('../ui/modaldialog')
 var modalDialogCustom = require('../ui/modal-dialog-custom')
+var copyToClipboard = require('../ui/copy-to-clipboard')
 
 var csjs = require('csjs-inject')
 
@@ -130,22 +131,27 @@ export class RemixdHandle extends WebsocketPlugin {
 }
 
 function remixdDialog () {
+  const commandText = 'remixd -s absolute-path-to-the-shared-folder --remix-ide your-remix-ide-URL-instance'
   return yo`
     <div class=${css.dialog}>
-      <div class=${css.dialogParagraph}>Interact with your file system from Remix. <br>See the <a target="_blank" href="https://remix-ide.readthedocs.io/en/latest/remixd.html">Remixd tutorial</a> for more info.
+      <div class=${css.dialogParagraph}>
+        Access your file system from Remix IDE. Remixd the NPM module needs to be running in the background to use the Remixd plugin. For more info please check the <a target="_blank" href="https://remix-ide.readthedocs.io/en/latest/remixd.html">Remixd tutorial</a>.
+      </div>
+      <div class=${css.dialogParagraph}>If you are just looking for the remixd command here it is:
+        <br><br><b>remixd -s absolute-path-to-the-shared-folder --remix-ide your-remix-ide-URL-instance</b>
+        <span class="">${copyToClipboard(() => commandText)}</span>
       </div>
-      <div class=${css.dialogParagraph}>If you have looked at the Remixd docs and just need remixd command, <br> here it is:
-        <br><b>remixd -s absolute-path-to-the-shared-folder --remix-ide your-remix-ide-URL-instance</b>
+      <div class=${css.dialogParagraph}>A connection will start a session between <em>${window.location.origin}</em> and your local file system <i>ws://127.0.0.1:65520</i>
+        <br>To see that a connection has been made, check that there is a localhost section in the Files Explorer
       </div>
-      <div class=${css.dialogParagraph}>Connection will start a session between <em>${window.location.origin}</em> and your local file system <i>ws://127.0.0.1:65520</i>
-        so please make sure your system is secured enough (port 65520 neither opened nor forwarded).
+      <div class=${css.dialogParagraph}>Please make sure your system is secured enough (port 65520 should not be opened nor forwarded).
+        This feature is still in Alpha, so we recommend you to keep a copy of the shared folder.
       </div>
       <div class=${css.dialogParagraph}>
         <h6 class="text-danger">
           Before using, make sure you have the <b>latest remixd version</b>.<br><a target="_blank" href="https://remix-ide.readthedocs.io/en/latest/remixd.html#update-to-the-latest-remixd">Read here how to update it</a>
         </h6>
       </div>
-      <div class=${css.dialogParagraph}>This feature is still in Alpha, so we recommend you to keep a copy of the shared folder.</div>
     </div>
   `
 }

apps/remix-ide/src/app/tabs/hardhat-provider.js

@@ -0,0 +1,71 @@
+import * as packageJson from '../../../../../package.json'
+import { Plugin } from '@remixproject/engine'
+import Web3 from 'web3'
+const yo = require('yo-yo')
+const modalDialogCustom = require('../ui/modal-dialog-custom')
+
+const profile = {
+  name: 'hardhat-provider',
+  displayName: 'Hardhat Provider',
+  kind: 'provider',
+  description: 'Hardhat provider',
+  methods: ['sendAsync'],
+  version: packageJson.version
+}
+
+export default class HardhatProvider extends Plugin {
+  constructor (blockchain) {
+    super(profile)
+    this.provider = null
+    this.blockchain = blockchain
+  }
+
+  onDeactivation () {
+    this.provider = null
+  }
+
+  hardhatProviderDialogBody () {
+    return yo`
+        <div class="">
+          Note: To run Hardhat network node on your system, go to hardhat project folder and run command:
+          <div class="border p-1">npx hardhat node</div>
+        <br>
+        For more info, visit: <a href="https://hardhat.org/getting-started/#connecting-a-wallet-or-dapp-to-hardhat-network" target="_blank">Hardhat Documentation</a>
+        <br><br>
+        Hardhat JSON-RPC Endpoint
+      </div>
+    `
+  }
+
+  sendAsync (data) {
+    return new Promise((resolve, reject) => {
+      if (!this.provider) {
+        modalDialogCustom.prompt('Hardhat node request', this.hardhatProviderDialogBody(), 'http://127.0.0.1:8545', (target) => {
+          this.provider = new Web3.providers.HttpProvider(target)
+          this.sendAsyncInternal(data, resolve, reject)
+        }, () => {
+          this.sendAsyncInternal(data, resolve, reject)
+        })
+      } else {
+        this.sendAsyncInternal(data, resolve, reject)
+      }
+    })
+  }
+
+  sendAsyncInternal (data, resolve, reject) {
+    if (this.provider) {
+      this.provider[this.provider.sendAsync ? 'sendAsync' : 'send'](data, (error, message) => {
+        if (error) {
+          this.provider = null
+          return reject(error)
+        }
+        resolve(message)
+      })
+    } else {
+      const result = data.method === 'net_listening' ? 'canceled' : []
+      resolve({ jsonrpc: '2.0', result: result, id: data.id })
+    }
+  }
+}
+
+module.exports = HardhatProvider

apps/remix-ide/src/blockchain/execution-context.js

@@ -145,7 +145,6 @@ export class ExecutionContext {
     if (context === 'web3') {
       confirmCb(cb)
     }
-
     if (this.customNetWorks[context]) {
       var network = this.customNetWorks[context]
       this.setProviderFromEndpoint(network.provider, network.name, (error) => {
@@ -189,14 +188,16 @@ export class ExecutionContext {
     const oldProvider = web3.currentProvider
 
     web3.setProvider(endpoint)
-
     web3.eth.net.isListening((err, isConnected) => {
-      if (!err && isConnected) {
+      if (!err && isConnected === true) {
         this.executionContext = context
         this._updateBlockGasLimit()
         this.event.trigger('contextChanged', [context])
         this.event.trigger('web3EndpointChanged')
         cb()
+      } else if (isConnected === 'canceled') {
+        web3.setProvider(oldProvider)
+        cb()
       } else {
         web3.setProvider(oldProvider)
         cb('Not possible to connect to the Web3 provider. Make sure the provider is running, a connection is open (via IPC or RPC) or that the provider plugin is properly configured.')

apps/remix-ide/src/lib/helper.js

@@ -71,6 +71,20 @@ module.exports = {
 
     return name + counter + prefix + '.' + ext
   },
+  async createNonClashingDirNameAsync (name, fileManager) {
+    if (!name) name = 'Undefined'
+    let counter = ''
+    let exist = true
+
+    do {
+      const isDuplicate = await fileManager.exists(name + counter)
+
+      if (isDuplicate) counter = (counter | 0) + 1
+      else exist = false
+    } while (exist)
+
+    return name + counter
+  },
   checkSpecialChars (name) {
     return name.match(/[:*?"<>\\'|]/) != null
   },

libs/remix-ui/file-explorer/src/lib/file-explorer.tsx

@@ -763,10 +763,6 @@ export const FileExplorer = (props: FileExplorerProps) => {
     state.copyElement.map(({ key, type }) => {
       type === 'file' ? copyFile(key, dest) : copyFolder(key, dest)
     })
-    setState(prevState => {
-      return { ...prevState, copyElement: [] }
-    })
-    setCanPaste(false)
   }
 
   const label = (file: File) => {