Merge pull request #11 from andrei0x309/dev/6

chore: changes for 1.4.5

CHANGELOG.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## Manifest Version 1.4.5
+
+- improved gas estimation for transactions
+- fixed paste buttons with new Ionic version
+- improved error display
+- added personal sign view for signing messages with the private key
+- changed send token view to allow sending ERC20 besides native tokens
+
 ## Manifest Version 1.4.4
 
 - added QR scaner for easier sign in with farcaster

src/extension/manifest.json

@@ -3,8 +3,8 @@
     "name": "__MSG_appName__",
     "description": "__MSG_appDesc__",
     "default_locale": "en",
-    "version": "1.4.4",
+    "version": "1.4.5",
-    "version_name": "1.4.4",
+    "version_name": "1.4.5",
     "icons": {
       "16": "assets/extension-icon/wallet_16.png",
       "32": "assets/extension-icon/wallet_32.png",

src/router/index.ts

@@ -36,6 +36,10 @@ const routes: Array<RouteRecordRaw> = [
     path: '/farcaster-actions',
     component: () => import('@/views/FarcasterActions.vue'),
   },
+  {
+    path: '/personal-sign',
+    component: () => import('@/views/PersonalSign.vue'),
+  },
   {
     path: '/tabs/',
     component: AppTabs,

src/utils/abis.ts

@@ -19,3 +19,62 @@ export const FARCASTER_PARTIAL_KEY_ABI = [
         "type": "function"
       }
   ]
+
+export const ERC20_PARTIAL_ABI = [
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "account",
+        "type": "address"
+      }
+    ],
+    "name": "balanceOf",
+    "outputs": [
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "address",
+        "name": "to",
+        "type": "address"
+      },
+      {
+        "internalType": "uint256",
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "transfer",
+    "outputs": [
+      {
+        "internalType": "bool",
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "decimals",
+    "outputs": [
+      {
+        "internalType": "uint8",
+        "name": "",
+        "type": "uint8"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  }
+]

src/utils/misc.ts

@@ -9,3 +9,5 @@ export const exportFile = (fileName: string, content: string, type = 'json') =>
     link.click()
     document.body.removeChild(link)
   }
+
+export const wait = (ms: number) => new Promise(resolve => setTimeout(resolve, ms))

src/utils/platform.ts

@@ -281,7 +281,15 @@ export const copyText = async (address: string, toastRef: Ref<boolean>) => {
 export const getUrl = (url: string) => chrome.runtime.getURL(url)
 
 export const paste = (id: string) => {
-    const el = document.getElementById(id)
+    const el = document.querySelector(`#${id} input.native-input`) as HTMLInputElement
+    if(el){
+      el.focus();
+      (document as any)?.execCommand('paste')
+    }
+}
+
+export const pasteTextArea = (id: string) => {
+    const el = document.querySelector(`#${id} textarea`) as HTMLTextAreaElement
     if(el){
       el.focus();
       (document as any)?.execCommand('paste')

src/utils/wallet.ts

@@ -4,6 +4,8 @@ import { mainNets } from '@/utils/networks';
 
 let provider: ethers.JsonRpcProvider | null = null
 
+const bigIntMax = (...args: bigint[]) => args.reduce((m, e) => e > m ? e : m);
+
 export const getCurrentProvider = async () => {
     const network = await getSelectedNetwork()
     if (provider) {
@@ -77,7 +79,9 @@ export const getBalance = async () =>{
 export const getGasPrice = async () => {
     const { provider } = await getCurrentProvider()
     const feed = await provider.getFeeData()
-    const gasPrice = feed.maxFeePerGas ?? feed.gasPrice ?? 0n
+    const gasPrices = [ feed.gasPrice, feed.maxFeePerGas, feed.maxPriorityFeePerGas ].filter(Boolean).map((p: any) => BigInt(p))
+    const gasPriceFeed = bigIntMax(...gasPrices)
+    const gasPrice = gasPriceFeed + (gasPriceFeed / BigInt(25))
     return {
         price: Number(gasPrice) / 1e9,
         feed

src/views/AddAccount.vue

@@ -17,7 +17,7 @@
       </ion-item>
       <ion-item v-if="!isEdit">
         <ion-icon
-          style="margin-right: 0.5rem"
+          style="margin-right: 0.5rem; cursor: pointer"
           @click="paste('pastePk')"
           :icon="clipboardOutline"
           button

src/views/AddContact.vue

@@ -13,8 +13,12 @@
       </ion-item>
       <ion-item>
         <ion-icon
-          style="margin-right: 0.5rem"
+          style="margin-right: 0.5rem; cursor: pointer"
-          @click="paste('address')"
+          @click="
+            () => {
+              paste('address');
+            }
+          "
           :icon="clipboardOutline"
           button
         />

src/views/AddNetwork.vue

@@ -27,7 +27,11 @@
         ></ion-input>
       </ion-item>
       <ion-item button>
-        <ion-icon :icon="clipboardOutline" @click="paste('pasteRpc')" />
+        <ion-icon
+          :icon="clipboardOutline"
+          @click="paste('pasteRpc')"
+          style="margin-right: 0.5rem; cursor: pointer"
+        />
         <ion-input
           label="RPC URL(*)"
           labelPlacement="stacked"
@@ -46,7 +50,11 @@
         ></ion-input>
       </ion-item>
       <ion-item button>
-        <ion-icon :icon="clipboardOutline" @click="paste('pasteExplorer')" />
+        <ion-icon
+          :icon="clipboardOutline"
+          @click="paste('pasteExplorer')"
+          style="margin-right: 0.5rem; cursor: pointer"
+        />
         <ion-input
           label="Explorer"
           labelPlacement="stacked"

src/views/ContractError.vue

@@ -34,8 +34,8 @@
         <ion-textarea
           style="overflow-y: scroll"
           aria-label="Error"
-          :rows="10"
+          :rows="12"
-          :cols="20"
+          :cols="60"
           :value="error"
           readonly
         ></ion-textarea>

src/views/FarcasterActions.vue

@@ -213,6 +213,12 @@ import {
   IonModal,
   IonButtons,
   IonTextarea,
+  IonList,
+  IonListHeader,
+  IonRadioGroup,
+  IonLoading,
+  IonText,
+  IonRadio,
 } from "@ionic/vue";
 import { saveSelectedAccount, paste, replaceAccounts } from "@/utils/platform";
 import router from "@/router";
@@ -247,6 +253,12 @@ export default defineComponent({
     IonModal,
     IonButtons,
     IonTextarea,
+    IonList,
+    IonListHeader,
+    IonRadioGroup,
+    IonLoading,
+    IonText,
+    IonRadio,
   },
   setup: () => {
     const name = ref("");

src/views/HomeTab.vue

@@ -146,6 +146,15 @@
         >
       </ion-item>
 
+      <ion-item style="margin-top: 0.3rem; margin-bottom: 0.3rem; text-align: center">
+        <ion-button
+          @click="goToPersonalSign"
+          expand="block"
+          style="margin: auto; width: 98%; font-size: 0.8rem; padding: 0.6rem"
+          >Personal Sign Messages</ion-button
+        >
+      </ion-item>
+
       <ion-loading
         :is-open="loading"
         cssClass="my-custom-class"
@@ -380,6 +389,10 @@ export default defineComponent({
       router.push("/farcaster-actions");
     };
 
+    const goToPersonalSign = () => {
+      router.push("/personal-sign");
+    };
+
     const changeSelectedAccount = async (address: string) => {
       loading.value = true;
       const findIndex = accounts.value.findIndex((a) => a.address == address);
@@ -434,6 +447,7 @@ export default defineComponent({
       settings,
       version,
       goToFarcasterActions,
+      goToPersonalSign,
     };
   },
 });

src/views/PersonalSign.vue

@@ -0,0 +1,331 @@
+<template>
+  <ion-page>
+    <ion-header>
+      <ion-toolbar>
+        <ion-buttons slot="start">
+          <ion-button @click="onCancel">Back</ion-button>
+        </ion-buttons>
+        <ion-title>Personal Sign</ion-title>
+      </ion-toolbar>
+    </ion-header>
+
+    <ion-content class="ion-padding">
+      <ion-item>
+        <ion-label style="opacity: 0.9; font-size: 0.85rem"
+          >Get personal signature for custom messages, useful for some websites and
+          developers
+        </ion-label>
+      </ion-item>
+      <div
+        style="border: 1px solid var(--ion-color-medium-contrast);
+      margin: 0.6rem;
+  }"
+      >
+        <ion-item>
+          <ion-label>Selected Account: {{ selectedAccount?.name }}</ion-label>
+          <ion-button
+            @click="
+              () => {
+                accountsModal = true;
+                toastState = false;
+              }
+            "
+            >Select</ion-button
+          >
+        </ion-item>
+        <ion-item button>
+          <p style="font-size: 0.7rem; color: coral">{{ selectedAccount?.address }}</p>
+        </ion-item>
+      </div>
+
+      <ion-item
+        button
+        @click="
+          () => {
+            pasteTextArea('textToSig');
+          }
+        "
+      >
+        <ion-label>
+          <p>
+            Text for personal sign
+            <ion-icon
+              style="
+                display: inline-block;
+                cursor: pointer;
+                margin-right: 0.5rem;
+                margin-top: 0.3rem;
+                position: relative;
+                top: 0.16rem;
+              "
+              :icon="clipboardOutline"
+              button
+            />
+          </p>
+        </ion-label>
+      </ion-item>
+      <ion-item>
+        <ion-textarea
+          style="overflow-y: scroll; width: 100%"
+          aria-label="Enter text to sign"
+          id="textToSig"
+          :rows="4"
+          :cols="8"
+          v-model="textToSig"
+        ></ion-textarea>
+      </ion-item>
+      <ion-item
+        button
+        @click="
+          () => {
+            if (sig.length > 0) {
+              copyText(sig, getToastRef());
+            } else {
+              alertMsg = 'Please get signature first';
+              alertOpen = true;
+            }
+          }
+        "
+      >
+        <ion-label>
+          <p>
+            Signature
+            <ion-icon
+              style="
+                display: inline-block;
+                cursor: pointer;
+                margin-right: 0.5rem;
+                margin-top: 0.3rem;
+                position: relative;
+                top: 0.2rem;
+              "
+              :icon="copyOutline"
+            ></ion-icon>
+          </p>
+        </ion-label>
+      </ion-item>
+      <ion-item>
+        <ion-textarea
+          style="overflow-y: scroll; width: 100%"
+          aria-label="Signature"
+          :rows="4"
+          :cols="8"
+          v-model="sig"
+        ></ion-textarea>
+      </ion-item>
+      <ion-item>
+        <ion-button @click="onCancel" color="light">Cancel</ion-button>
+        <ion-button @click="getSignature">Get Signature</ion-button>
+      </ion-item>
+
+      <ion-alert
+        :is-open="alertOpen"
+        :header="alertHeader"
+        :message="alertMsg"
+        :buttons="['OK']"
+        @didDismiss="
+            () => {
+              alertOpen = false;
+              alertHeader = 'Error';
+              exitWallet && (window as any)?.close();
+            }
+          "
+      ></ion-alert>
+
+      <ion-toast
+        position="top"
+        :is-open="toastState"
+        @didDismiss="toastState = false"
+        message="Copied to clipboard"
+        :duration="1500"
+      ></ion-toast>
+    </ion-content>
+  </ion-page>
+</template>
+
+<script lang="ts">
+import { defineComponent, ref, Ref } from "vue";
+import {
+  IonContent,
+  IonHeader,
+  IonPage,
+  IonTitle,
+  IonToolbar,
+  IonItem,
+  IonLabel,
+  IonInput,
+  IonButton,
+  IonAlert,
+  IonIcon,
+  onIonViewWillEnter,
+  IonModal,
+  IonButtons,
+  IonTextarea,
+  IonToast,
+  modalController,
+} from "@ionic/vue";
+import {
+  saveSelectedAccount,
+  pasteTextArea,
+  replaceAccounts,
+  unBlockLockout,
+} from "@/utils/platform";
+import router from "@/router";
+import type { Account } from "@/extension/types";
+import { triggerListner } from "@/extension/listners";
+import { copyOutline } from "ionicons/icons";
+import { clipboardOutline } from "ionicons/icons";
+import { getAccounts, getSelectedAccount, copyText } from "@/utils/platform";
+import { signMsg } from "@/utils/wallet";
+import UnlockModal from "@/views/UnlockModal.vue";
+
+export default defineComponent({
+  components: {
+    IonContent,
+    IonHeader,
+    IonPage,
+    IonTitle,
+    IonToolbar,
+    IonItem,
+    IonLabel,
+    IonInput,
+    IonButton,
+    IonAlert,
+    IonIcon,
+    IonModal,
+    IonButtons,
+    IonTextarea,
+    IonToast,
+  },
+  setup: () => {
+    const textToSig = ref("");
+    const sig = ref("");
+    const alertOpen = ref(false);
+    const alertMsg = ref("");
+    const swiwModal = ref(false);
+    const deepLink = ref("");
+    const swloading = ref(false);
+    const warpcastLoading = ref(false);
+    const exitWallet = ref(false);
+    const alertHeader = ref("Error");
+
+    const loading = ref(false);
+    const accounts = ref([]) as Ref<Account[]>;
+    const accountsModal = ref(false) as Ref<boolean>;
+    const selectedAccount = (ref(null) as unknown) as Ref<Account>;
+    const toastState = ref(false);
+
+    const getToastRef = () => toastState;
+
+    const loadData = () => {
+      loading.value = true;
+      const pAccounts = getAccounts();
+      const pSelectedAccount = getSelectedAccount();
+      Promise.all([pAccounts, pSelectedAccount]).then((res) => {
+        accounts.value = res[0];
+        selectedAccount.value = res[1];
+        loading.value = false;
+      });
+    };
+
+    onIonViewWillEnter(() => {
+      loadData();
+    });
+
+    const onCancel = () => {
+      router.push("/tabs/home");
+    };
+
+    const changeSelectedAccount = async (address: string) => {
+      loading.value = true;
+      const findIndex = accounts.value.findIndex((a) => a.address == address);
+      if (findIndex > -1) {
+        selectedAccount.value = accounts.value[findIndex];
+        accounts.value = accounts.value.filter((a) => a.address !== address);
+        accounts.value.unshift(selectedAccount.value);
+        const newAccounts = [...accounts.value];
+        await Promise.all([
+          saveSelectedAccount(selectedAccount.value),
+          replaceAccounts(newAccounts),
+        ]);
+        triggerListner("accountsChanged", [newAccounts.map((a) => a.address)?.[0]]);
+      }
+      accountsModal.value = false;
+      loading.value = false;
+    };
+
+    const openModal = async () => {
+      const modal = await modalController.create({
+        component: UnlockModal,
+        componentProps: {
+          unlockType: "transaction",
+        },
+      });
+      modal.present();
+      const { role } = await modal.onWillDismiss();
+      if (role === "confirm") return true;
+      return false;
+    };
+
+    const getSignature = async () => {
+      if (!selectedAccount.value) {
+        alertMsg.value = "Please select an account";
+        alertOpen.value = true;
+        return;
+      }
+      if (!textToSig.value) {
+        alertMsg.value = "Please enter text to sign";
+        alertOpen.value = true;
+        return;
+      }
+
+      if ((selectedAccount.value.pk ?? "").length !== 66) {
+        const modalResult = await openModal();
+        if (modalResult) {
+          unBlockLockout();
+          loading.value = true;
+        } else {
+          onCancel();
+        }
+      } else {
+        unBlockLockout();
+      }
+
+      try {
+        const signature = await signMsg(textToSig.value);
+        sig.value = signature;
+      } catch (e) {
+        console.error(e);
+        alertMsg.value = "Error getting signature";
+        alertOpen.value = true;
+      }
+    };
+
+    return {
+      textToSig,
+      sig,
+      onCancel,
+      alertOpen,
+      alertMsg,
+      clipboardOutline,
+      pasteTextArea,
+      accountsModal,
+      changeSelectedAccount,
+      selectedAccount,
+      accounts,
+      copyOutline,
+      toastState,
+      deepLink,
+      swiwModal,
+      swloading,
+      warpcastLoading,
+      window,
+      exitWallet,
+      alertHeader,
+      getSignature,
+      getToastRef,
+      copyText,
+    };
+  },
+});
+</script>

src/views/ReadContract.vue

@@ -20,7 +20,11 @@
         <ion-button @click="openAbiListModal()" expand="block">Load Abi</ion-button>
       </ion-item>
       <ion-item>
-        <ion-icon :icon="clipboardOutline" @click="paste('pasteContract')" />
+        <ion-icon
+          :icon="clipboardOutline"
+          @click="paste('pasteContract')"
+          style="margin-right: 0.5rem; cursor: pointer"
+        />
         <ion-input
           label="Contract Address(*)"
           label-placement="stacked"

src/views/SendToken.vue

@@ -2,11 +2,26 @@
   <ion-page>
     <ion-header>
       <ion-toolbar>
-        <ion-title>Send Native Token</ion-title>
+        <ion-title>Send Tokens</ion-title>
       </ion-toolbar>
     </ion-header>
 
     <ion-content class="ion-padding">
+      <ion-segment
+        style="width: auto; padding: 0.5rem; margin: 0.5rem"
+        :value="currentSegment"
+        mode="ios"
+        @ion-change="segmentChange"
+      >
+        <ion-segment-button value="native">
+          <ion-label>Native</ion-label>
+        </ion-segment-button>
+        <ion-segment-button value="erc20">
+          <ion-label>ERC20</ion-label>
+        </ion-segment-button>
+      </ion-segment>
+
+      <template v-if="currentSegment === 'native'">
         <ion-item>
           <ion-label>Current Network</ion-label>
         </ion-item>
@@ -46,7 +61,7 @@
             v-model="sendTo"
           ></ion-input>
           <ion-icon
-          style="margin-right: 0.5rem"
+            style="margin-right: 0.5rem; cursor: pointer"
             @click="paste('pasteAddress')"
             :icon="clipboardOutline"
             button
@@ -75,6 +90,111 @@
         <ion-item>
           <ion-button @click="promptTransaction">Prompt Transaction</ion-button>
         </ion-item>
+      </template>
+      <template v-else>
+        <ion-item>
+          <ion-label>ERC20 Token</ion-label>
+        </ion-item>
+        <ion-item>
+          <ion-input
+            aria-label="ERC20 Token"
+            type="text"
+            id="erc20"
+            v-model="erc20"
+          ></ion-input>
+          <ion-icon
+            style="margin-right: 0.5rem; cursor: pointer"
+            @click="paste('erc20')"
+            :icon="clipboardOutline"
+            button
+          />
+        </ion-item>
+
+        <ion-item button>
+          <ion-button @click="openModalAddContact(true)">
+            Load address from contacts
+          </ion-button>
+        </ion-item>
+
+        <ion-item>
+          <ion-label>Send To Address:</ion-label>
+        </ion-item>
+
+        <ion-item>
+          <ion-input
+            aria-label="address"
+            style="font-size: 0.8rem"
+            id="pasteAddress"
+            v-model="sendTo"
+          ></ion-input>
+          <ion-icon
+            style="margin-right: 0.5rem; cursor: pointer"
+            @click="paste('pasteAddress')"
+            :icon="clipboardOutline"
+            button
+          />
+        </ion-item>
+
+        <ion-item button>
+          <ion-button @click="openModalAddContact()">
+            Load address from contacts
+          </ion-button>
+        </ion-item>
+
+        <ion-item>
+          <ion-button
+            @click="
+              async () => {
+                if (!erc20) {
+                  alertOpen = true;
+                  alertMsg = 'Invalid ERC20 address';
+                  return;
+                }
+                if (loading) return;
+                loading = true;
+                await wait(100);
+                await balanceOfERC20();
+              }
+            "
+          >
+            <svg
+              height="24px"
+              width="24px"
+              id="Layer_1"
+              style="enable-background: new 0 0 512 512"
+              version="1.1"
+              viewBox="0 0 512 512"
+              xml:space="preserve"
+              xmlns="http://www.w3.org/2000/svg"
+              xmlns:xlink="http://www.w3.org/1999/xlink"
+            >
+              <path
+                d="M384,352l96-109.3h-66.1C407.1,141.8,325,64,223.2,64C117.8,64,32,150.1,32,256s85.8,192,191.2,192  c43.1,0,83.8-14.1,117.7-40.7l7.5-5.9l-43.2-46.2l-6.2,4.6c-22.1,16.3-48.3,24.9-75.8,24.9C152.6,384.7,95.1,327,95.1,256  c0-71,57.5-128.7,128.1-128.7c66.4,0,120.7,50,127.4,115.3h-74.1L384,352z"
+              />
+            </svg>
+          </ion-button>
+          <ion-label>Current Balance</ion-label>
+          <b v-if="currentBalanceERC20">{{ currentBalanceERC20.toFixed(8) }}</b>
+          <b v-else-if="currentBalanceERC20 === null">Not Fetched</b>
+          <b v-else-if="currentBalanceERC20 === 0">0</b>
+        </ion-item>
+
+        <ion-item>
+          <ion-label>Amount (e.g. 1.2):</ion-label>
+        </ion-item>
+
+        <ion-item>
+          <ion-input
+            aria-label="Amount (e.g. 1.2)"
+            type="number"
+            v-model="erc20Amount"
+          ></ion-input>
+        </ion-item>
+
+        <ion-item>
+          <ion-button @click="promptTransactionERC20">Prompt Transaction</ion-button>
+        </ion-item>
+      </template>
 
       <ion-alert
         :is-open="alertOpen"
@@ -114,6 +234,8 @@ import {
   onIonViewWillEnter,
   IonLoading,
   modalController,
+  IonSegmentButton,
+  IonSegment,
   // IonModal,
   // IonButtons,
   // IonTextarea,
@@ -137,9 +259,18 @@ import {
 import { clipboardOutline } from "ionicons/icons";
 import type { Network, Account } from "@/extension/types";
 import { walletPromptSendTx } from "@/extension/userRequest";
-import { isAddress, formatEther, parseEther } from "ethers";
+import {
-import { getTxCount, getBalance } from "@/utils/wallet";
+  isAddress,
+  formatEther,
+  parseEther,
+  Contract,
+  formatUnits,
+  parseUnits,
+} from "ethers";
+import { getTxCount, getBalance, getCurrentProvider } from "@/utils/wallet";
 import SelectedContacts from "./ContactsSelect.vue";
+import { ERC20_PARTIAL_ABI } from "@/utils/abis";
+import { wait } from "@/utils/misc";
 
 // import { getFromMnemonic } from "@/utils/wallet";
 
@@ -157,6 +288,8 @@ export default defineComponent({
     IonAlert,
     IonIcon,
     IonLoading,
+    IonSegmentButton,
+    IonSegment,
     // IonModal,
     // IonButtons,
     // IonTextarea,
@@ -171,10 +304,14 @@ export default defineComponent({
     const alertTitle = ref("Error");
     const loading = ref(true);
     const amount = ref(0);
+    const erc20Amount = ref(0);
     const selectedNetwork = (ref(null) as unknown) as Ref<Network>;
     const selectedAccount = (ref(null) as unknown) as Ref<Account>;
     const currentBalance = ref(0);
+    const currentBalanceERC20 = ref(null) as Ref<number | null>;
     const loadingSend = ref(false);
+    const currentSegment = ref("native");
+    const erc20 = ref("");
 
     // let accountsProm: Promise<Account[] | undefined>;
     // let settingsProm: Promise<Settings | undefined>;
@@ -197,6 +334,10 @@ export default defineComponent({
     //   return false;
     // };
 
+    const segmentChange = (e: CustomEvent) => {
+      currentSegment.value = e.detail.value;
+    };
+
     onIonViewWillEnter(async () => {
       try {
         selectedNetwork.value = await getSelectedNetwork();
@@ -210,6 +351,24 @@ export default defineComponent({
       loading.value = false;
     });
 
+    const balanceOfERC20 = async () => {
+      try {
+        loading.value = true;
+        const provider = (await getCurrentProvider()).provider;
+        const erc20Contract = new Contract(erc20.value, ERC20_PARTIAL_ABI, provider);
+        const decimals = await erc20Contract.decimals();
+        const balance = await erc20Contract.balanceOf(selectedAccount.value.address);
+        currentBalanceERC20.value = Number(formatUnits(balance, decimals));
+        return currentBalanceERC20.value;
+      } catch (e) {
+        // ignore
+        currentBalanceERC20.value = null;
+        return null;
+      } finally {
+        loading.value = false;
+      }
+    };
+
     const promptTransaction = async () => {
       alertTitle.value = "Error";
       if (
@@ -272,7 +431,97 @@ export default defineComponent({
       loading.value = false;
     };
 
-    const openModalAddContact = async () => {
+    const promptTransactionERC20 = async () => {
+      alertTitle.value = "Error";
+      if (
+        sendTo.value?.toLocaleLowerCase() ===
+        selectedAccount.value.address?.toLocaleLowerCase()
+      ) {
+        alertOpen.value = true;
+        alertMsg.value = "Cannot send to self";
+        return;
+      }
+
+      if (!isAddress(sendTo.value)) {
+        alertOpen.value = true;
+        alertMsg.value = "Invalid send address";
+        return;
+      }
+
+      if (!isAddress(erc20.value)) {
+        alertOpen.value = true;
+        alertMsg.value = "Invalid ERC20 address";
+        return;
+      }
+
+      if (erc20Amount.value <= 0) {
+        alertOpen.value = true;
+        alertMsg.value = "Amount must be greater than 0";
+        return;
+      }
+
+      // get current erc 20 balance
+      try {
+        const balance = await balanceOfERC20();
+        if (balance === null) {
+          throw new Error("Invalid ERC20 address or balance");
+        }
+      } catch (e) {
+        alertOpen.value = true;
+        alertMsg.value = "Invalid ERC20 address or balance";
+      }
+
+      if (Number(amount.value) >= Number(currentBalanceERC20.value)) {
+        alertOpen.value = true;
+        alertMsg.value = "Insufficient balance";
+        return;
+      }
+
+      loading.value = true;
+      let tx;
+      try {
+        const provider = (await getCurrentProvider()).provider;
+        const erc20Contract = new Contract(erc20.value, ERC20_PARTIAL_ABI, provider);
+        const decimals = await erc20Contract.decimals();
+        const value = parseUnits(erc20Amount.value.toString(), decimals).toString();
+        tx = {
+          from: selectedAccount.value.address,
+          to: erc20.value,
+          gasLimit: "0x0",
+          gasPrice: "0x0",
+          data: erc20Contract.interface.encodeFunctionData("transfer", [
+            sendTo.value,
+            value,
+          ]),
+        };
+      } catch (e) {
+        alertOpen.value = true;
+        alertMsg.value = "Error populating transaction";
+        loading.value = false;
+        return;
+      }
+
+      const result = (await walletPromptSendTx(tx)) as {
+        error?: string;
+      };
+      if (result?.error) {
+        alertOpen.value = true;
+        alertMsg.value = "Error sending transaction to chain";
+        loading.value = false;
+        return;
+      } else {
+        alertTitle.value = "OK";
+        alertOpen.value = true;
+        alertMsg.value = "Transaction sent successfully";
+        currentBalanceERC20.value =
+          Number(currentBalanceERC20.value) - Number(erc20Amount.value);
+      }
+
+      loadingSend.value = false;
+      loading.value = false;
+    };
+
+    const openModalAddContact = async (isErc20 = false) => {
       const modal = await modalController.create({
         component: SelectedContacts,
         componentProps: {},
@@ -282,8 +531,12 @@ export default defineComponent({
 
       const { data, role } = await modal.onWillDismiss();
       if (role === "confirm") {
+        if (isErc20) {
+          erc20.value = data.address;
+        } else {
           sendTo.value = data.address;
         }
+      }
     };
 
     return {
@@ -302,6 +555,14 @@ export default defineComponent({
       selectedAccount,
       selectedNetwork,
       openModalAddContact,
+      segmentChange,
+      currentSegment,
+      erc20,
+      promptTransactionERC20,
+      balanceOfERC20,
+      currentBalanceERC20,
+      wait,
+      erc20Amount,
     };
   },
 });

src/views/WalletError.vue

@@ -15,8 +15,8 @@
           label="Error:"
           labelPlacement="stacked"
           style="overflow-y: scroll"
-          :rows="10"
+          :rows="18"
-          :cols="20"
+          :cols="70"
           :value="error"
           readonly
         ></ion-textarea>

src/views/WriteContract.vue

@@ -20,7 +20,11 @@
         <ion-button @click="openAbiListModal()" expand="block">Load Abi</ion-button>
       </ion-item>
       <ion-item>
-        <ion-icon :icon="clipboardOutline" @click="paste('pasteContract')" />
+        <ion-icon
+          :icon="clipboardOutline"
+          @click="paste('pasteContract')"
+          style="margin-right: 0.5rem; cursor: pointer"
+        />
         <ion-input
           label="Contract Address(*)"
           label-placement="stacked"