Remove dead code

examples/eth-pm-wallet-encryption/src/App.tsx

@@ -3,7 +3,6 @@ import '@ethersproject/shims';
 import React, { useEffect, useState } from 'react';
 import './App.css';
 import { Waku } from 'js-waku';
-import { Signer } from '@ethersproject/abstract-signer';
 import { Message } from './messaging/Messages';
 import 'fontsource-roboto';
 import { AppBar, IconButton, Toolbar, Typography } from '@material-ui/core';
@@ -67,7 +66,6 @@ const useStyles = makeStyles({
 
 function App() {
   const [waku, setWaku] = useState<Waku>();
-  const [signer, setSigner] = useState<Signer>();
   const [provider, setProvider] = useState<Web3Provider>();
   const [encPublicKey, setEncPublicKey] = useState<Uint8Array>();
   const [publicKeys, setPublicKeys] = useState<Map<string, Uint8Array>>(
@@ -193,7 +191,6 @@ function App() {
               <ConnectWallet
                 setProvider={setProvider}
                 setAddress={setAddress}
-                setSigner={setSigner}
               />
             </fieldset>
             <fieldset>
@@ -204,7 +201,6 @@ function App() {
                 address={address}
               />
               <BroadcastPublicKey
-                signer={signer}
                 address={address}
                 encryptionPublicKey={encPublicKey}
                 waku={waku}

examples/eth-pm-wallet-encryption/src/BroadcastPublicKey.tsx

@@ -3,13 +3,11 @@ import React from 'react';
 import { createPublicKeyMessage } from './crypto';
 import { PublicKeyMessage } from './messaging/wire';
 import { WakuMessage, Waku } from 'js-waku';
-import { Signer } from '@ethersproject/abstract-signer';
 import { PublicKeyContentTopic } from './waku';
 
 interface Props {
   encryptionPublicKey: Uint8Array | undefined;
   waku: Waku | undefined;
-  signer: Signer | undefined;
   address: string | undefined;
   providerRequest:
     | ((request: { method: string; params?: Array<any> }) => Promise<any>)
@@ -17,7 +15,6 @@ interface Props {
 }
 
 export default function BroadcastPublicKey({
-  signer,
   encryptionPublicKey,
   address,
   waku,
@@ -25,18 +22,12 @@ export default function BroadcastPublicKey({
 }: Props) {
   const broadcastPublicKey = () => {
     if (!encryptionPublicKey) return;
-    if (!signer) return;
     if (!address) return;
     if (!waku) return;
     if (!providerRequest) return;
 
     console.log('Creating Public Key Message');
-    createPublicKeyMessage(
-      signer,
-      address,
-      encryptionPublicKey,
-      providerRequest
-    )
+    createPublicKeyMessage(address, encryptionPublicKey, providerRequest)
       .then((msg) => {
         console.log('Public Key Message created');
         encodePublicKeyWakuMessage(msg)
@@ -63,7 +54,7 @@ export default function BroadcastPublicKey({
       variant="contained"
       color="primary"
       onClick={broadcastPublicKey}
-      disabled={!encryptionPublicKey || !waku || !signer}
+      disabled={!encryptionPublicKey || !waku || !address || !providerRequest}
     >
       Broadcast Encryption Public Key
     </Button>

examples/eth-pm-wallet-encryption/src/ConnectWallet.tsx

@@ -1,6 +1,5 @@
 import { Button } from '@material-ui/core';
 import React from 'react';
-import { Signer } from '@ethersproject/abstract-signer';
 import { ethers } from 'ethers';
 import { Web3Provider } from '@ethersproject/providers/src.ts/web3-provider';
 
@@ -8,15 +7,10 @@ declare let window: any;
 
 interface Props {
   setAddress: (address: string) => void;
-  setSigner: (signer: Signer) => void;
   setProvider: (provider: Web3Provider) => void;
 }
 
-export default function ConnectWallet({
-  setAddress,
-  setSigner,
-  setProvider,
-}: Props) {
+export default function ConnectWallet({ setAddress, setProvider }: Props) {
   const connectWallet = () => {
     try {
       window.ethereum
@@ -25,7 +19,6 @@ export default function ConnectWallet({
           const _provider = new ethers.providers.Web3Provider(window.ethereum);
           setAddress(accounts[0]);
           setProvider(_provider);
-          setSigner(_provider.getSigner());
         });
     } catch (e) {
       console.error('No web3 provider available');

examples/eth-pm-wallet-encryption/src/crypto.ts

@@ -1,6 +1,5 @@
 import '@ethersproject/shims';
 
-import { Signer } from '@ethersproject/abstract-signer';
 import { PublicKeyMessage } from './messaging/wire';
 import { hexToBuf, equalByteArrays, bufToHex } from 'js-waku/lib/utils';
 import * as sigUtil from 'eth-sig-util';
@@ -11,7 +10,6 @@ import * as sigUtil from 'eth-sig-util';
  * Ethereum Address holder.
  */
 export async function createPublicKeyMessage(
-  web3Signer: Signer,
   address: string,
   encryptionPublicKey: Uint8Array,
   providerRequest: (request: {