Merge pull request #1479 from Luis-Fernando-Molina/develop

Contribution: Governance: Mnemonic import implemented for creating profile.

Client/httpInterface.js

@@ -160,6 +160,15 @@ exports.newHttpInterface = function newHttpInterface(
                                     respondWithContent(JSON.stringify(serverResponse), httpResponse)
                                     return
                                 }
+                                case 'mnemonicToPrivateKey': {
+
+                                    let serverResponse = await WEB3_SERVER.mnemonicToPrivateKey(
+                                        params.mnemonic
+                                    )
+
+                                    respondWithContent(JSON.stringify(serverResponse), httpResponse)
+                                    return
+                                }
                                 default: {
                                     respondWithContent(JSON.stringify({ error: 'Method ' + params.method + ' is invalid.' }), httpResponse)
                                 }

Client/package.json

@@ -10,12 +10,13 @@
     "@octokit/rest": "^18.9.0",
     "ccxt": "^1.51.98",
     "child_process": "^1.0.2",
+    "ethers": "^5.4.4",
     "lookpath": "^1.2.2",
+    "node-fetch": "2.6.1",
     "open": "^6.4.0",
     "rimraf": "^3.0.2",
     "simple-git": "^2.42.0",
     "web3": "^1.5.0",
-    "ws": "^7.4.6",
-    "node-fetch": "2.6.1"
+    "ws": "^7.4.6"
   }
 }

Client/web3Server.js

@@ -8,6 +8,7 @@ exports.newWeb3Server = function newWeb3Server() {
         getWalletBalances: getWalletBalances,
         signData: signData,
         recoverAddress: recoverAddress,
+        mnemonicToPrivateKey: mnemonicToPrivateKey, 
         initialize: initialize,
         finalize: finalize,
         run: run
@@ -236,4 +237,29 @@ exports.newWeb3Server = function newWeb3Server() {
             return { error: 'Could not recover address. ' + err.stack }
         }
     }
+
+    async function mnemonicToPrivateKey(mnemonic) {
+        try {
+            const ethers = require('ethers')
+            let wallet = ethers.Wallet.fromMnemonic(mnemonic)
+
+            if (wallet.privateKey !== undefined) {
+                return {
+                    address: wallet.address, 
+                    privateKey: wallet.privateKey,
+                    result: 'Ok'
+                }
+            } else {
+                return {
+                    address: undefined, 
+                    privateKey: undefined,
+                    result: 'Fail'
+                }
+            }
+
+        } catch (err) {
+            return { error: 'Could not convert to Private Key. ' + err.stack }
+        }
+
+    }
 }

Projects/Governance/Schemas/App-Schema/profile-constructor.json

@@ -34,7 +34,7 @@
         "config": true
     },
     "initialValues": {
-        "config": "{ \"githubUsername\": \"\"}"
+        "config": "{ \"githubUsername\": \"\", \"mnemonic\": \"\"}"
     },
     "addLeftIcons": true,
     "level": 2,

Projects/Governance/UI/Function-Libraries/ProfileConstructor.js

@@ -13,24 +13,32 @@ function newGovernanceFunctionLibraryProfileConstructor() {
         Some validations first...
         */
         let githubUsername = UI.projects.foundations.utilities.nodeConfig.loadConfigProperty(node.payload, 'githubUsername')
+        let mnemonic = UI.projects.foundations.utilities.nodeConfig.loadConfigProperty(node.payload, 'mnemonic')
 
         if (githubUsername === undefined || githubUsername === "") {
             node.payload.uiObject.setErrorMessage("githubUsername config property missing.")
             return
         }
 
-        let userProfile = UI.projects.foundations.functionLibraries.uiObjectsFromNodes.addUIObject(
-            node,
-            'User Profile',
-            UI.projects.foundations.spaces.designSpace.workspace.workspaceNode.rootNodes
-            )
+        createWallet()
 
-        createNewAccount()
+        function createWallet() {
+            let params
 
-        function createNewAccount() {
-            let params = {
-                method: 'createWalletAccount',
-                entropy: node.id + (new Date()).valueOf()
+            /*
+            If the user provides a mnemonic then we will get the private key and address from it,
+            otherwise, we will create a new private key and address.
+            */
+            if (mnemonic === undefined || mnemonic === "") {
+                params = {
+                    method: 'createWalletAccount',
+                    entropy: node.id + (new Date()).valueOf()
+                }
+            } else {
+                params = {
+                    method: 'mnemonicToPrivateKey',
+                    mnemonic: mnemonic
+                }
             }
 
             let url = 'WEB3' // We will access the default Client WEB3 endpoint.
@@ -41,7 +49,6 @@ function newGovernanceFunctionLibraryProfileConstructor() {
                 /* Lets check the result of the call through the http interface */
                 if (err.result !== GLOBAL.DEFAULT_OK_RESPONSE.result) {
                     node.payload.uiObject.setErrorMessage('Call via HTTP Interface failed.')
-                    walletAccountNode.payload.uiObject.menu.internalClick('Delete UI Object')
                     return
                 }
 
@@ -49,8 +56,16 @@ function newGovernanceFunctionLibraryProfileConstructor() {
 
                 /* Lets check the result of the method call */
                 if (response.result !== GLOBAL.DEFAULT_OK_RESPONSE.result) {
-                    node.payload.uiObject.setErrorMessage('Call to WEB3 Server failed. ' + response.error)
-                    return
+
+                    if (mnemonic === undefined || mnemonic === "") {
+                        node.payload.uiObject.setErrorMessage('Call to WEB3 Server failed. ' + response.error)
+                        console.log('Call to WEB3 Server failed. ' + response.error)
+                        return
+                    } else {
+                        node.payload.uiObject.setErrorMessage('Call to WEB3 Server failed. Most likely the Mnemonic provided is not correct.' + response.error)
+                        console.log('Call to WEB3 Server failed. Most likely the Mnemonic provided is not correct.' + response.error)
+                        return
+                    }
                 }
 
                 signUserProfileData(response.address, response.privateKey)
@@ -85,6 +100,11 @@ function newGovernanceFunctionLibraryProfileConstructor() {
                     console.log('Call to WEB3 Server failed. ' + response.error)
                     return
                 }
+                let userProfile = UI.projects.foundations.functionLibraries.uiObjectsFromNodes.addUIObject(
+                    node,
+                    'User Profile',
+                    UI.projects.foundations.spaces.designSpace.workspace.workspaceNode.rootNodes
+                )
                 /*
                 We store at the User Profile the Signed githubUsername
                 */
@@ -103,7 +123,11 @@ function newGovernanceFunctionLibraryProfileConstructor() {
                 /*
                 Show nice message.
                 */
-                node.payload.uiObject.setInfoMessage("Profile Private Key has been successfully created. User Profile installed as a plugin and saved. Use the Private Key at a crypto wallet and delete this node once done.", 10000)
+                if (mnemonic === undefined || mnemonic === "") {
+                    node.payload.uiObject.setInfoMessage("Profile Private Key has been successfully created. User Profile installed as a plugin and saved. Use the Private Key at a crypto wallet and delete this node once done.", 10000)
+                } else {
+                    node.payload.uiObject.setInfoMessage("Mnemonic successfully imported. User Profile installed as a plugin and saved. Your external wallet was sucessfully linked to your profile.", 10000)
+                }
             }
         }
     }