(Feature) Support of Ethereum Classic chain

app/scripts/controllers/network/enums.js

@@ -6,6 +6,7 @@ const ROPSTEN = 'ropsten'
 const RINKEBY = 'rinkeby'
 const KOVAN = 'kovan'
 const GOERLI_TESTNET = 'goerli_testnet'
+const CLASSIC = 'classic'
 const LOCALHOST = 'localhost'
 
 const POA_CODE = 99
@@ -16,6 +17,7 @@ const ROPSTEN_CODE = 3
 const RINKEBY_CODE = 4
 const KOVAN_CODE = 42
 const GOERLI_TESTNET_CODE = 5
+const CLASSIC_CODE = 61
 
 const POA_DISPLAY_NAME = 'POA Network'
 const DAI_DISPLAY_NAME = 'xDai Chain'
@@ -25,6 +27,7 @@ const ROPSTEN_DISPLAY_NAME = 'Ropsten'
 const RINKEBY_DISPLAY_NAME = 'Rinkeby'
 const KOVAN_DISPLAY_NAME = 'Kovan'
 const GOERLI_TESTNET_DISPLAY_NAME = 'Görli Testnet'
+const CLASSIC_DISPLAY_NAME = 'Ethereum Classic'
 
 const DROPDOWN_POA_DISPLAY_NAME = POA_DISPLAY_NAME
 const DROPDOWN_DAI_DISPLAY_NAME = DAI_DISPLAY_NAME
@@ -34,6 +37,7 @@ const DROPDOWN_ROPSTEN_DISPLAY_NAME = 'Ropsten Test Net'
 const DROPDOWN_RINKEBY_DISPLAY_NAME = 'Rinkeby Test Net'
 const DROPDOWN_KOVAN_DISPLAY_NAME = 'Kovan Test Net'
 const DROPDOWN_GOERLI_TESTNET_DISPLAY_NAME = 'Görli Test Net'
+const DROPDOWN_CLASSIC_DISPLAY_NAME = 'Ethereum Classic'
 
 const chainTypes = {
   TEST: 1,
@@ -49,6 +53,7 @@ module.exports = {
   RINKEBY,
   KOVAN,
   GOERLI_TESTNET,
+  CLASSIC,
   LOCALHOST,
   POA_CODE,
   DAI_CODE,
@@ -58,6 +63,7 @@ module.exports = {
   RINKEBY_CODE,
   KOVAN_CODE,
   GOERLI_TESTNET_CODE,
+  CLASSIC_CODE,
   POA_DISPLAY_NAME,
   DAI_DISPLAY_NAME,
   POA_SOKOL_DISPLAY_NAME,
@@ -66,6 +72,7 @@ module.exports = {
   RINKEBY_DISPLAY_NAME,
   KOVAN_DISPLAY_NAME,
   GOERLI_TESTNET_DISPLAY_NAME,
+  CLASSIC_DISPLAY_NAME,
   DROPDOWN_POA_DISPLAY_NAME,
   DROPDOWN_DAI_DISPLAY_NAME,
   DROPDOWN_POA_SOKOL_DISPLAY_NAME,
@@ -74,5 +81,6 @@ module.exports = {
   DROPDOWN_RINKEBY_DISPLAY_NAME,
   DROPDOWN_KOVAN_DISPLAY_NAME,
   DROPDOWN_GOERLI_TESTNET_DISPLAY_NAME,
+  DROPDOWN_CLASSIC_DISPLAY_NAME,
   chainTypes,
 }

app/scripts/controllers/network/network.js

@@ -12,6 +12,7 @@ const createJsonRpcClient = require('./createJsonRpcClient')
 const createLocalhostClient = require('./createLocalhostClient')
 const { createSwappableProxy, createEventEmitterProxy } = require('swappable-obj-proxy')
 const ethNetProps = require('eth-net-props')
+const parse = require('url-parse')
 
 const {
   ROPSTEN,
@@ -23,10 +24,12 @@ const {
   POA,
   DAI,
   GOERLI_TESTNET,
+  CLASSIC,
   POA_CODE,
   DAI_CODE,
   POA_SOKOL_CODE,
   GOERLI_TESTNET_CODE,
+  CLASSIC_CODE,
 } = require('./enums')
 const INFURA_PROVIDER_TYPES = [ROPSTEN, RINKEBY, KOVAN, MAINNET]
 
@@ -90,13 +93,19 @@ module.exports = class NetworkController extends EventEmitter {
   }
 
   lookupNetwork () {
+    const { type, rpcTarget } = this.providerStore.getState()
     // Prevent firing when provider is not defined.
     if (!this._provider) {
       return log.warn('NetworkController - lookupNetwork aborted due to missing provider')
     }
     const ethQuery = new EthQuery(this._provider)
     ethQuery.sendAsync({ method: 'net_version' }, (err, network) => {
       if (err) return this.setNetworkState('loading')
+      const targetHost = parse(rpcTarget, true).host
+      const classicHost = parse(ethNetProps.RPCEndpoints(CLASSIC_CODE)[0], true).host
+      if (type === CLASSIC || targetHost === classicHost) {
+        network = CLASSIC_CODE.toString()
+      } // workaround to avoid Mainnet and Classic are having the same network ID
       log.info('web3.getNetwork returned ' + network)
       this.setNetworkState(network)
     })
@@ -117,7 +126,8 @@ module.exports = class NetworkController extends EventEmitter {
       type === POA_SOKOL ||
       type === POA ||
       type === DAI ||
-      type === GOERLI_TESTNET
+      type === GOERLI_TESTNET ||
+      type === CLASSIC
       , `NetworkController - Unknown rpc type "${type}"`)
     const providerConfig = { type }
     this.providerConfig = providerConfig
@@ -161,6 +171,8 @@ module.exports = class NetworkController extends EventEmitter {
       this._configureStandardProvider({ rpcUrl: ethNetProps.RPCEndpoints(POA_SOKOL_CODE)[0] })
     } else if (type === GOERLI_TESTNET) {
       this._configureStandardProvider({ rpcUrl: ethNetProps.RPCEndpoints(GOERLI_TESTNET_CODE)[0] })
+    } else if (type === CLASSIC) {
+      this._configureStandardProvider({ rpcUrl: ethNetProps.RPCEndpoints(CLASSIC_CODE)[0] })
     } else if (type === LOCALHOST) {
       this._configureLocalhostProvider()
     // url-based rpc endpoints

app/scripts/controllers/network/util.js

@@ -7,6 +7,7 @@ const {
   RINKEBY,
   KOVAN,
   GOERLI_TESTNET,
+  CLASSIC,
   POA_CODE,
   DAI_CODE,
   POA_SOKOL_CODE,
@@ -15,6 +16,7 @@ const {
   RINKEBY_CODE,
   KOVAN_CODE,
   GOERLI_TESTNET_CODE,
+  CLASSIC_CODE,
   POA_DISPLAY_NAME,
   DAI_DISPLAY_NAME,
   POA_SOKOL_DISPLAY_NAME,
@@ -23,6 +25,7 @@ const {
   RINKEBY_DISPLAY_NAME,
   KOVAN_DISPLAY_NAME,
   GOERLI_TESTNET_DISPLAY_NAME,
+  CLASSIC_DISPLAY_NAME,
   DROPDOWN_POA_DISPLAY_NAME,
   DROPDOWN_DAI_DISPLAY_NAME,
   DROPDOWN_POA_SOKOL_DISPLAY_NAME,
@@ -31,6 +34,7 @@ const {
   DROPDOWN_RINKEBY_DISPLAY_NAME,
   DROPDOWN_KOVAN_DISPLAY_NAME,
   DROPDOWN_GOERLI_TESTNET_DISPLAY_NAME,
+  DROPDOWN_CLASSIC_DISPLAY_NAME,
   chainTypes,
 } = require('./enums')
 
@@ -81,8 +85,19 @@ const MAINNET_OBJ = {
 networks[MAINNET_CODE] = MAINNET_OBJ
 networks[MAINNET] = MAINNET_OBJ
 
-const ROPSTEN_OBJ = {
+const CLASSIC_OBJ = {
   order: 5,
+  chainType: PROD,
+  providerName: CLASSIC,
+  networkID: CLASSIC_CODE,
+  displayName: CLASSIC_DISPLAY_NAME,
+  displayNameDropdown: DROPDOWN_CLASSIC_DISPLAY_NAME,
+}
+networks[CLASSIC_CODE] = CLASSIC_OBJ
+networks[CLASSIC] = CLASSIC_OBJ
+
+const ROPSTEN_OBJ = {
+  order: 6,
   chainType: TEST,
   providerName: ROPSTEN,
   networkID: ROPSTEN_CODE,
@@ -93,7 +108,7 @@ networks[ROPSTEN_CODE] = ROPSTEN_OBJ
 networks[ROPSTEN] = ROPSTEN_OBJ
 
 const KOVAN_OBJ = {
-  order: 6,
+  order: 7,
   chainType: TEST,
   providerName: KOVAN,
   networkID: KOVAN_CODE,
@@ -104,7 +119,7 @@ networks[KOVAN_CODE] = KOVAN_OBJ
 networks[KOVAN] = KOVAN_OBJ
 
 const RINKEBY_OBJ = {
-  order: 7,
+  order: 8,
   chainType: TEST,
   providerName: RINKEBY,
   networkID: RINKEBY_CODE,
@@ -115,7 +130,7 @@ networks[RINKEBY_CODE] = RINKEBY_OBJ
 networks[RINKEBY] = RINKEBY_OBJ
 
 const GOERLI_TESTNET_OBJ = {
-  order: 7,
+  order: 9,
   providerName: GOERLI_TESTNET,
   networkID: GOERLI_TESTNET_CODE,
   displayName: GOERLI_TESTNET_DISPLAY_NAME,

app/scripts/lib/buy-eth-url.js

@@ -5,14 +5,16 @@ module.exports = {
 }
 const ethNetProps = require('eth-net-props')
 
-const { POA_CODE,
+const {
+  POA_CODE,
   DAI_CODE,
   POA_SOKOL_CODE,
   MAINNET_CODE,
+  CLASSIC_CODE,
   ROPSTEN_CODE,
   RINKEBY_CODE,
   KOVAN_CODE,
-  GOERLI_TESTNET_CODE } = require('../controllers/network/enums')
+  GOERLI_TESTNET_CODE} = require('../controllers/network/enums')
 
 /**
  * Gives the caller a url at which the user can acquire coin, depending on the network they are in
@@ -28,7 +30,12 @@ const { POA_CODE,
  */
 function getBuyEthUrl ({ network, amount, address, ind }) {
   let url
-  switch (Number(network)) {
+  switch (Number(network) || isNaN(network)) {
+    case true:
+      if (network === CLASSIC_CODE) {
+        url = getExchanges({network, amount, address})[ind].link
+      }
+      break
     case MAINNET_CODE:
     case POA_CODE:
     case DAI_CODE:
@@ -73,7 +80,14 @@ function getExchanges ({network, amount, address}) {
           link: `https://buy.coinbase.com/?code=9ec56d01-7e81-5017-930c-513daa27bb6a&amount=${amount}&address=${address}&crypto_currency=ETH`,
         },
       ]
-    case 99:
+    case CLASSIC_CODE:
+      return [
+        {
+          name: 'Binance',
+          link: 'https://www.binance.com/en/trade/ETC_ETH',
+        },
+      ]
+    case POA_CODE:
       return [
         {
           name: 'Binance',
@@ -92,7 +106,7 @@ function getExchanges ({network, amount, address}) {
           link: 'https://hitbtc.com/POA-to-ETH',
         },
       ]
-    case 100:
+    case DAI_CODE:
       return [
         {
           name: 'xDai TokenBridge',

app/scripts/metamask-controller.js

@@ -1518,7 +1518,7 @@ module.exports = class MetamaskController extends EventEmitter {
     const networkId = parseInt(networkIdStr)
     const isPOA = networkId === POA_SOKOL_CODE || networkId === POA_CODE || networkId === DAI_CODE
 
-    // Return 1 gwei if using a POA network of if there are no blocks have been observed:
+    // Return 1 gwei if using a POA network or if there are no blocks have been observed:
     if (isPOA || recentBlocks.length === 0) {
       return '0x' + GWEI_BN.toString(16)
     }

app/scripts/platforms/extension.js

@@ -5,7 +5,8 @@ const {
   POA_CODE,
   DAI_CODE,
   POA_SOKOL_CODE,
-  GOERLI_TESTNET_CODE } = require('../controllers/network/enums')
+  GOERLI_TESTNET_CODE,
+  CLASSIC_CODE } = require('../controllers/network/enums')
 
 class ExtensionPlatform {
 
@@ -133,7 +134,8 @@ class ExtensionPlatform {
     if (networkId === POA_CODE ||
         networkId === DAI_CODE ||
         networkId === POA_SOKOL_CODE ||
-        networkId === GOERLI_TESTNET_CODE
+        networkId === GOERLI_TESTNET_CODE ||
+        networkId === CLASSIC_CODE
     ) {
       explorerName = 'BlockScout'
     } else {

old-ui/app/accounts/import/contract.js

@@ -8,15 +8,6 @@ import CopyButton from '../../components/copy/copy-button'
 import ErrorComponent from '../../components/error'
 import { getFullABI } from './helpers'
 
-import { POA_CODE,
-  DAI_CODE,
-  POA_SOKOL_CODE,
-  MAINNET_CODE,
-  ROPSTEN_CODE,
-  RINKEBY_CODE,
-  KOVAN_CODE,
-  GOERLI_TESTNET_CODE } from '../../../../app/scripts/controllers/network/enums'
-
 class ContractImportView extends Component {
   constructor (props) {
     super(props)
@@ -195,30 +186,6 @@ class ContractImportView extends Component {
     .catch()
   }
 
-  getBlockscoutApiNetworkSuffix () {
-    const { network } = this.props
-    switch (Number(network)) {
-      case MAINNET_CODE:
-        return 'mainnet'
-      case POA_CODE:
-        return 'core'
-      case POA_SOKOL_CODE:
-        return 'sokol'
-      case DAI_CODE:
-        return 'dai'
-      case KOVAN_CODE:
-        return 'kovan'
-      case ROPSTEN_CODE:
-        return 'ropsten'
-      case RINKEBY_CODE:
-        return 'rinkeby'
-      case GOERLI_TESTNET_CODE:
-        return 'goerli'
-      default:
-        return ''
-    }
-  }
-
   clearInputs () {
     this.setState({
       contractAddr: '',

old-ui/app/accounts/import/helpers.js

@@ -16,6 +16,24 @@ const jsonObjToArray = (jsonObj) => {
 	}, [])
 }
 
+const getBlockscoutApiNetworkPrefix = (network) => {
+	switch (Number(network)) {
+		case 1:
+		case 42:
+		case 3:
+		case 4:
+		return 'mainnet'
+		case 99:
+		case 77:
+		case 100:
+		return 'poa'
+		case NaN:
+		return 'etc'
+		default:
+		return ''
+	}
+}
+
 const getBlockscoutApiNetworkSuffix = (network) => {
 	switch (Number(network)) {
 		case 1:
@@ -32,15 +50,18 @@ const getBlockscoutApiNetworkSuffix = (network) => {
 		return 'ropsten'
 		case 4:
 		return 'rinkeby'
+		case NaN:
+		return 'mainnet'
 		default:
 		return ''
 	}
 }
 
 const fetchABI = (addr, network) => {
 	return new Promise((resolve, reject) => {
+		const networkParent = getBlockscoutApiNetworkPrefix(network)
 		const networkName = getBlockscoutApiNetworkSuffix(network)
-		const bloscoutApiLink = `https://blockscout.com/poa/${networkName}/api`
+		const bloscoutApiLink = `https://blockscout.com/${networkParent}/${networkName}/api`
 		const bloscoutApiContractPath = '?module=contract'
 		const blockscoutApiGetAbiPath = `&action=getabi&address=${addr}`
 		const apiLink = `${bloscoutApiLink}${bloscoutApiContractPath}${blockscoutApiGetAbiPath}`