Add D'CENT hardware wallet support

app/_locales/en/messages.json

@@ -749,7 +749,7 @@
     "description": "choice between creating or importing a new account"
   },
   "orderOneHere": {
-    "message": "Order a Trezor or Ledger and keep your funds in cold storage"
+    "message": "Order a Trezor, Ledger or D'CENT and keep your funds in cold storage"
   },
   "origin": {
     "message": "Origin"

app/_locales/ko/messages.json

@@ -731,7 +731,7 @@
     "description": "새 계정을 만들거나 가져오기 중에 선택하기"
   },
   "orderOneHere": {
-    "message": "Trezor 혹은 Ledger를 구입하고 자금을 콜드 스토리지에 저장합니다"
+    "message": "Trezor, Ledger 혹은 D'CENT를 구입하고 자금을 콜드 스토리지에 저장합니다"
   },
   "origin": {
     "message": "Origin"

app/scripts/metamask-controller.js

@@ -50,10 +50,11 @@ import seedPhraseVerifier from './lib/seed-phrase-verifier'
 import log from 'loglevel'
 const TrezorKeyring = require('eth-trezor-keyring')
 const LedgerBridgeKeyring = require('eth-ledger-bridge-keyring')
+import DcentKeyring from 'eth-dcent-keyring'
 import EthQuery from 'eth-query'
 import nanoid from 'nanoid'
 const { importTypes } = require('../../old-ui/app/accounts/import/enums')
-const { LEDGER, TREZOR } = require('../../old-ui/app/components/connect-hardware/enum')
+const { LEDGER, TREZOR, DCENT } = require('../../old-ui/app/components/connect-hardware/enum')
 const { ifPOA, ifXDai, ifRSK, getNetworkID, getDPath, setDPath } = require('../../old-ui/app/util')
 const { GasPriceOracle } = require('gas-price-oracle')
 import {
@@ -192,7 +193,7 @@ module.exports = class MetamaskController extends EventEmitter {
     })
 
     // key mgmt
-    const additionalKeyrings = [TrezorKeyring, LedgerBridgeKeyring]
+    const additionalKeyrings = [TrezorKeyring, LedgerBridgeKeyring, DcentKeyring]
     this.keyringController = new KeyringController({
       keyringTypes: additionalKeyrings,
       initState: initState.KeyringController,
@@ -763,6 +764,9 @@ module.exports = class MetamaskController extends EventEmitter {
       case LEDGER:
         keyringName = LedgerBridgeKeyring.type
         break
+      case DCENT:
+        keyringName = DcentKeyring.type
+        break
       default:
         throw new Error('MetamaskController:getKeyringForDevice - Unknown device')
     }

old-ui/app/components/connect-hardware/connect-screen.js

@@ -1,7 +1,7 @@
 import React, { Component } from 'react'
 import PropTypes from 'prop-types'
 import Button from '../../../../ui/app/components/button'
-import { LEDGER, TREZOR } from './enum'
+import { LEDGER, TREZOR, DCENT } from './enum'
 import { capitalizeFirstLetter } from '../../../../app/scripts/lib/util'
 
 const trezorCap = capitalizeFirstLetter(TREZOR)
@@ -49,13 +49,27 @@ class ConnectScreen extends Component {
         )
     }
 
+    renderConnectToDcentButton () {
+        return (
+            <button
+                className={`hw-connect__btn${this.state.selectedDevice === DCENT ? ' selected' : ''}`}
+                onClick={(_) => this.setState({ selectedDevice: DCENT })}
+            >
+                <img className="hw-connect__btn__img" src="images/dcent-logo.svg"/>
+            </button>
+        )
+      }
+
     renderButtons () {
         return (
             <div>
                 <div className="hw-connect__btn-wrapper">
                     {this.renderConnectToLedgerButton()}
                     {this.renderConnectToTrezorButton()}
                 </div>
+                <div className="hw-connect__btn-wrapper">
+                    {this.renderConnectToDcentButton()}
+                </div>
                 <button
                     className={`hw-connect__connect-btn${!this.state.selectedDevice ? ' disabled' : ''}`}
                     onClick={this.connect}
@@ -94,10 +108,11 @@ class ConnectScreen extends Component {
         const links = {
             trezor: `<a class='hw-connect__get-hw__link' href='https://shop.trezor.io/?a=niftywallet' target='_blank'>${trezorCap}</a>`,
             ledger: `<a class='hw-connect__get-hw__link' href='https://www.ledger.com/products/ledger-nano-s' target='_blank'>${ledgerCap}</a>`,
+            dcent: `<a class='hw-connect__get-hw__link' href='https://dcentwallet.com/Shop?utm_source=metamask&utm_medium=affiliate&utm_campaign=202005-metamask-promotion' target='_blank'>D'CENT</a>`,
         }
 
-        const text = `Order a ${trezorCap} or ${ledgerCap} and keep your funds in cold storage`
-        const response = text.replace(trezorCap, links.trezor).replace(ledgerCap, links.ledger)
+        const text = `Order a ${trezorCap}, ${ledgerCap} or D'CENT and keep your funds in cold storage`
+        const response = text.replace(trezorCap, links.trezor).replace(ledgerCap, links.ledger).replace(`D'CENT`, links.dcent)
 
         return (
             <div className="hw-connect__get-hw__msg" dangerouslySetInnerHTML={{ __html: response }} />

old-ui/app/components/connect-hardware/enum.js

@@ -1,7 +1,9 @@
 const LEDGER = 'ledger'
 const TREZOR = 'trezor'
+const DCENT = 'dcent'
 
 module.exports = {
 	LEDGER,
 	TREZOR,
+	DCENT,
 }

old-ui/app/components/connect-hardware/index.js

@@ -8,7 +8,7 @@ import { formatBalance } from '../../util'
 import { getPlatform } from '../../../../app/scripts/lib/util'
 import { PLATFORM_FIREFOX } from '../../../../app/scripts/lib/enums'
 import { getMetaMaskAccounts } from '../../../../ui/app/selectors'
-import { LEDGER, TREZOR } from './enum'
+import { LEDGER, TREZOR, DCENT } from './enum'
 
 class ConnectHardwareForm extends Component {
   constructor (props, context) {
@@ -45,7 +45,7 @@ class ConnectHardwareForm extends Component {
   }
 
   async checkIfUnlocked () {
-    [TREZOR, LEDGER].forEach(async device => {
+    [TREZOR, LEDGER, DCENT].forEach(async device => {
       const hdPath = this._setHdPath(device)
       const unlocked = await this.props.checkHardwareStatus(device, hdPath)
       if (unlocked) {

old-ui/app/css/hw.css

@@ -26,6 +26,9 @@
   flex-direction: row;
   display: flex;
 }
+.hw-connect__btn-wrapper:not(:first-of-type) {
+  margin-top: 15px;
+}
 .hw-connect__connect-btn {
   color: #fff;
   border: none;
@@ -64,8 +67,11 @@
   border: 2px solid #60DB97;
   width: 149px;
 }
-.hw-connect__btn:first-child {
+.hw-connect__btn:not(:last-of-type) {
   margin-right: 15px;
+}
+.hw-connect__btn:first-child {
+
 }
 .hw-connect__btn:last-child {
 

package.json

@@ -109,6 +109,8 @@
     "dnode": "^1.2.2",
     "end-of-stream": "^1.4.4",
     "eth-block-tracker": "^4.4.2",
+    "eth-contract-metadata": "^1.13.0",
+    "eth-dcent-keyring": "^0.1.2",
     "eth-ens-namehash": "^2.0.8",
     "eth-json-rpc-errors": "^2.0.2",
     "eth-json-rpc-filters": "github:poanetwork/eth-json-rpc-filters#3.0.2",

ui/app/reducers/app.js

@@ -75,6 +75,7 @@ function reduceApp (state, action) {
     defaultHdPaths: {
       trezor: `m/44'/60'/0'/0`,
       ledger: `m/44'/60'/0'/0/0`,
+      dcent: `m/44'/60'/0'/0/0`,
     },
     customHdPaths: customHdPaths,
   }, state.appState)