added: extract from Mnemonic support when adding account

src/utils/wallet.ts

@@ -76,6 +76,12 @@ export const getCode = async (addr: string) => {
     return await provider.getCode(addr)
 }
 
+export const getFromMemonic = (memonic: string, index: number) => {
+    const path = `m/44'/60'/0'/0/${index}`
+    const wallet =  ethers.Wallet.fromMnemonic(memonic, path)
+    return wallet.privateKey
+}
+
 export const sendTransaction = async ({ data= '', gas='0x0', to='', from='', value='0x0', gasPrice='0x0'}: 
 {to: string, from: string, data: string, value: string, gas: string, gasPrice: string}, 
 gasEstimate: Promise<BigNumber> | null = null, pGasPrice : Promise<BigNumber> | null) => {

src/views/AddAccount.vue

@@ -17,17 +17,31 @@
         <ion-button @click="getRandomName">Generate</ion-button>
       </ion-item>
       <ion-item v-if="!isEdit">
-        <ion-icon style="margin-right: 0.5rem;" @click="paste('pastePk')" :icon="clipboardOutline" button/>
+        <ion-icon
+          style="margin-right: 0.5rem"
+          @click="paste('pastePk')"
+          :icon="clipboardOutline"
+          button
+        />
         <ion-label button>PK</ion-label>
         <ion-input id="pastePk" v-model="pk"></ion-input>
       </ion-item>
-      <ion-item v-if="!isEdit">
+      <template v-if="!isEdit">
+        <ion-item>
           <ion-label>Get Random PK</ion-label>
           <ion-button @click="generateRandomPk">Generate</ion-button>
         </ion-item>
+        <ion-item>
+          <ion-button @click="mnemonicModal = true" expand="full"
+            >Extarct From A Mnemonic</ion-button
+          >
+        </ion-item>
+      </template>
       <ion-item>
         <ion-button @click="onCancel">Cancel</ion-button>
-        <ion-button @click="onAddAccount">{{ isEdit ? 'Edit Account' : 'Add Account' }}</ion-button>
+        <ion-button @click="onAddAccount">{{
+          isEdit ? "Edit Account" : "Add Account"
+        }}</ion-button>
       </ion-item>
       <ion-alert
         :is-open="alertOpen"
@@ -36,161 +50,253 @@
         :buttons="['OK']"
         @didDismiss="alertOpen = false"
       ></ion-alert>
+
+      <ion-modal :is-open="mnemonicModal" @didDismiss="mnemonic = ''">
+        <ion-header>
+          <ion-toolbar>
+            <ion-buttons slot="start">
+              <ion-button @click="mnemonicModal = false">Close</ion-button>
+            </ion-buttons>
+            <ion-title>Extract PK from mnemonic</ion-title>
+          </ion-toolbar>
+        </ion-header>
+        <ion-content class="ion-padding">
+          <ion-item>
+            <ion-label>Enter mnemonic</ion-label>
+          </ion-item>
+          <ion-item>
+            <ion-textarea
+              style="overflow-y: scroll"
+              :rows="10"
+              :cols="10"
+              v-model="mnemonic"
+            ></ion-textarea>
+          </ion-item>
+          <ion-item>
+            <ion-label>Enter Index (default: 0)</ion-label>
+            <ion-input v-model="mnemonicIndex"></ion-input>
+          </ion-item>
+          <ion-item>
+            <ion-button @click="extractMnemonic">Extract</ion-button>
+          </ion-item>
+        </ion-content>
+      </ion-modal>
     </ion-content>
   </ion-page>
 </template>
 
 <script lang="ts">
 import { defineComponent, ref } from "vue";
-import { IonContent, IonHeader, IonPage, IonTitle, IonToolbar, IonItem, IonLabel, IonInput, IonButton, IonAlert, IonIcon, onIonViewWillEnter, modalController } from "@ionic/vue";
+import {
-import { ethers } from "ethers"
+  IonContent,
-import { saveSelectedAccount, getAccounts, saveAccount, getRandomPk, smallRandomString, paste, getSettings } from "@/utils/platform";
+  IonHeader,
+  IonPage,
+  IonTitle,
+  IonToolbar,
+  IonItem,
+  IonLabel,
+  IonInput,
+  IonButton,
+  IonAlert,
+  IonIcon,
+  onIonViewWillEnter,
+  modalController,
+  IonModal,
+  IonButtons,
+  IonTextarea,
+} from "@ionic/vue";
+import { ethers } from "ethers";
+import {
+  saveSelectedAccount,
+  getAccounts,
+  saveAccount,
+  getRandomPk,
+  smallRandomString,
+  paste,
+  getSettings,
+} from "@/utils/platform";
 import router from "@/router";
-import { useRoute } from 'vue-router'
+import { useRoute } from "vue-router";
-import type { Account, Settings } from '@/extension/types'
+import type { Account, Settings } from "@/extension/types";
-import UnlockModal from '@/views/UnlockModal.vue'
+import UnlockModal from "@/views/UnlockModal.vue";
-import { encrypt, getCryptoParams } from '@/utils/webCrypto'
+import { encrypt, getCryptoParams } from "@/utils/webCrypto";
 
 import { clipboardOutline } from "ionicons/icons";
+import { getFromMemonic } from "@/utils/wallet";
 
 export default defineComponent({
-  components: { IonContent, IonHeader, IonPage, IonTitle, IonToolbar, IonItem, IonLabel, IonInput, IonButton, IonAlert, IonIcon },
+  components: {
+    IonContent,
+    IonHeader,
+    IonPage,
+    IonTitle,
+    IonToolbar,
+    IonItem,
+    IonLabel,
+    IonInput,
+    IonButton,
+    IonAlert,
+    IonIcon,
+    IonModal,
+    IonButtons,
+    IonTextarea,
+  },
   setup: () => {
-    const name = ref('')
+    const name = ref("");
-    const pk = ref('')
+    const pk = ref("");
-    const alertOpen = ref(false)
+    const alertOpen = ref(false);
-    const alertMsg = ref('')
+    const alertMsg = ref("");
-    const route = useRoute()
+    const route = useRoute();
-    const isEdit = route.path.includes('/edit')
+    const isEdit = route.path.includes("/edit");
-    const paramAddress = route.params.address ?? ""
+    const paramAddress = route.params.address ?? "";
-    let accountsProm: Promise<Account[] | undefined>
+    const mnemonicModal = ref(false);
-    let settingsProm: Promise<Settings | undefined>
+    const mnemonic = ref("");
+    const mnemonicIndex = ref(0);
+
+    let accountsProm: Promise<Account[] | undefined>;
+    let settingsProm: Promise<Settings | undefined>;
 
     const resetFields = () => {
-      name.value = ''
+      name.value = "";
-      pk.value = ''
+      pk.value = "";
-    }
+    };
 
     const openModal = async () => {
       const modal = await modalController.create({
         component: UnlockModal,
         componentProps: {
-            unlockType: 'addAccount'
+          unlockType: "addAccount",
-          }
+        },
-
       });
       modal.present();
       const { role, data } = await modal.onWillDismiss();
-        if(role === 'confirm') return data
+      if (role === "confirm") return data;
-        return false
+      return false;
-    }
+    };
 
     onIonViewWillEnter(async () => {
       if (isEdit && paramAddress) {
-        accountsProm = getAccounts()
+        accountsProm = getAccounts();
-        settingsProm = getSettings()
+        settingsProm = getSettings();
-        const accounts = await accountsProm as Account[]
+        const accounts = (await accountsProm) as Account[];
-        const acc = accounts.find(account => account.address === paramAddress)
+        const acc = accounts.find((account) => account.address === paramAddress);
         if (acc) {
-          name.value = acc.name
+          name.value = acc.name;
         }
       }
-    })
+    });
 
     const onAddAccount = async () => {
-        let p1 = Promise.resolve()
+      let p1 = Promise.resolve();
       if (pk.value.length === 64) {
-            pk.value = `0x${pk.value.trim()}`
+        pk.value = `0x${pk.value.trim()}`;
       }
       if (pk.value.length !== 66) {
-            alertMsg.value = "Provided private key is invalid."
+        alertMsg.value = "Provided private key is invalid.";
-            alertOpen.value = true
+        alertOpen.value = true;
-            return
+        return;
       }
 
-
+      const wallet = new ethers.Wallet(pk.value);
-        const wallet = new ethers.Wallet(pk.value)
       if (!accountsProm) {
-          accountsProm = getAccounts()
+        accountsProm = getAccounts();
       }
       if (!settingsProm) {
-          settingsProm = getSettings()
+        settingsProm = getSettings();
       }
-        const accounts = await accountsProm as Account[]
+      const accounts = (await accountsProm) as Account[];
-        const settings = await settingsProm as Settings
+      const settings = (await settingsProm) as Settings;
       if (settings.enableStorageEnctyption) {
-          const pass = await openModal()
+        const pass = await openModal();
         if (!pass) {
-            alertMsg.value = "Cannot add account with encryption password."
+          alertMsg.value = "Cannot add account with encryption password.";
-            alertOpen.value = true
+          alertOpen.value = true;
-            return
+          return;
         }
-          const cryptoParams = await getCryptoParams(pass)
+        const cryptoParams = await getCryptoParams(pass);
         if ((accounts.length ?? 0) < 1) {
           p1 = saveSelectedAccount({
             address: wallet.address,
             name: name.value,
             pk: pk.value,
-                encPk: await encrypt(pk.value, cryptoParams)
+            encPk: await encrypt(pk.value, cryptoParams),
-            })
+          });
         } else {
-          if(accounts.find(account => account.address === wallet.address)){
+          if (accounts.find((account) => account.address === wallet.address)) {
-            alertMsg.value = "Account already exists."
+            alertMsg.value = "Account already exists.";
-            return alertOpen.value = true
+            return (alertOpen.value = true);
           }
         }
         const p2 = saveAccount({
           address: wallet.address,
           name: name.value,
           pk: pk.value,
-                encPk: await encrypt(pk.value, cryptoParams)
+          encPk: await encrypt(pk.value, cryptoParams),
-        })
+        });
-        await Promise.all([p1, p2])
+        await Promise.all([p1, p2]);
       } else {
         if ((accounts.length ?? 0) < 1) {
           p1 = saveSelectedAccount({
             address: wallet.address,
             name: name.value,
             pk: pk.value,
-                encPk: ''
+            encPk: "",
-            })
+          });
         } else {
-          if(accounts.find(account => account.address === wallet.address)){
+          if (accounts.find((account) => account.address === wallet.address)) {
-            alertMsg.value = "Account already exists."
+            alertMsg.value = "Account already exists.";
-            return alertOpen.value = true
+            return (alertOpen.value = true);
           }
         }
         const p2 = saveAccount({
           address: wallet.address,
           name: name.value,
           pk: pk.value,
-                encPk: ''
+          encPk: "",
-        })
+        });
-        await Promise.all([p1, p2])
+        await Promise.all([p1, p2]);
       }
       if (isEdit) {
-          router.push('/tabs/accounts')
+        router.push("/tabs/accounts");
       } else {
-          router.push('/tabs/home')
+        router.push("/tabs/home");
-        }
-        resetFields()
       }
+      resetFields();
+    };
 
     const generateRandomPk = () => {
-      pk.value = getRandomPk()
+      pk.value = getRandomPk();
-    }
+    };
 
     const getRandomName = () => {
-      name.value = smallRandomString()
+      name.value = smallRandomString();
-    }
+    };
 
     const onCancel = () => {
       if (isEdit) {
-          router.push('/tabs/accounts')
+        router.push("/tabs/accounts");
       } else {
-          router.push('/tabs/home')
+        router.push("/tabs/home");
       }
+    };
+
+    const extractMnemonic = () => {
+      mnemonic.value = mnemonic.value.trim().replace(/\s+/g, " ");
+      mnemonicIndex.value = Number(mnemonicIndex.value);
+
+      if (mnemonic.value.split(" ").length !== 12) {
+        alertMsg.value = "Invalid mnemonic.";
+        alertOpen.value = true;
+        return;
       }
+      if (mnemonicIndex.value < 0) {
+        alertMsg.value = "Invalid index.";
+        alertOpen.value = true;
+        return;
+      }
+      pk.value = getFromMemonic(mnemonic.value, mnemonicIndex.value);
+      mnemonicModal.value = false;
+    };
 
     return {
       name,
@@ -203,9 +309,12 @@ export default defineComponent({
       getRandomName,
       clipboardOutline,
       paste,
-        isEdit
+      isEdit,
-    }
+      mnemonicModal,
-
+      mnemonic,
-  }
+      mnemonicIndex,
+      extractMnemonic,
+    };
+  },
 });
 </script>