Added support for RNS domain resolution to address

src/components/modals/AddressModal.tsx

@@ -9,7 +9,7 @@ import { sprintf } from 'sprintf-js'
 import { refreshAllFioAddresses } from '../../actions/FioAddressActions'
 import ENS_LOGO from '../../assets/images/ens_logo.png'
 import FIO_LOGO from '../../assets/images/fio/fio_logo.png'
-import { ENS_DOMAINS, UNSTOPPABLE_DOMAINS } from '../../constants/WalletAndCurrencyConstants'
+import { ENS_DOMAINS, RNS_DOMAINS, UNSTOPPABLE_DOMAINS } from '../../constants/WalletAndCurrencyConstants'
 import { lstrings } from '../../locales/strings'
 import { checkPubAddress, FioAddresses, getFioAddressCache } from '../../modules/FioAddress/util'
 import { connect } from '../../types/reactRedux'
@@ -58,6 +58,8 @@ type Props = StateProps & OwnProps & DispatchProps & ThemeProps
 
 export class AddressModalComponent extends React.Component<Props, State> {
   fioCheckQueue: number = 0
+  rskProvider?: ethers.providers.JsonRpcProvider
+  rnsRegistryContract?: ethers.Contract
 
   constructor(props: Props) {
     super(props)
@@ -139,13 +141,15 @@ export class AddressModalComponent extends React.Component<Props, State> {
   }
 
   checkIfDomain = (domain: string): boolean => {
-    return this.checkIfUnstoppableDomain(domain) || this.checkIfEnsDomain(domain)
+    return this.checkIfUnstoppableDomain(domain) || this.checkIfEnsDomain(domain) || this.checkIfRnsDomain(domain)
   }
 
   checkIfUnstoppableDomain = (name: string): boolean => UNSTOPPABLE_DOMAINS.some(domain => name.endsWith(domain))
 
   checkIfEnsDomain = (name: string): boolean => ENS_DOMAINS.some(domain => name.endsWith(domain))
 
+  checkIfRnsDomain = (name: string): boolean => RNS_DOMAINS.some(domain => name.endsWith(domain))
+
   fetchUnstoppableDomainAddress = async (domain: string, currencyTicker: string): Promise<string> => {
     domain = domain.trim().toLowerCase()
     if (!this.checkIfUnstoppableDomain(domain)) {
@@ -177,13 +181,93 @@ export class AddressModalComponent extends React.Component<Props, State> {
     return address
   }
 
+  // This approach considers resolution for tokens
+  getRnsChainIdFromPluginId = (pluginId: string): number => {
+    switch (pluginId) {
+      case 'rsk':
+        return 137
+      case 'ethereum':
+        return 60
+      case 'ethereumclassic':
+        return 61
+      case 'bitcoin':
+        return 0
+      case 'litecoin':
+        return 2
+      case 'dogecoin':
+        return 3
+      case 'dash':
+        return 5
+      case 'ripple':
+        return 144
+      case 'bitcoincash':
+        return 145
+      case 'binance':
+        return 714
+      case 'stellar':
+        return 148
+      case 'eos':
+        return 194
+      default:
+        return -1
+    }
+  }
+
+  fetchRnsAddress = async (domain: string): Promise<string> => {
+    try {
+      const chainId = this.getRnsChainIdFromPluginId(this.props.coreWallet.currencyInfo.pluginId)
+      if (chainId === -1) {
+        throw new ResolutionError('UnspecifiedCurrency', { domain })
+      }
+      if (this.rskProvider == null) {
+        const rskCurrencyInfo: EdgeCurrencyConfig = this.props.account.currencyConfig.rsk
+        const rskServerInfo = rskCurrencyInfo.currencyInfo.defaultSettings.otherSettings.rpcServers[0]
+        this.rskProvider = new ethers.providers.JsonRpcProvider(rskServerInfo)
+      }
+      if (!this.rnsRegistryContract) {
+        // REF: https://developers.rsk.co/rif/rns/architecture/registry/
+        const RNS_REGISTRY_ADDRESS = '0xcb868aeabd31e2b66f74e9a55cf064abb31a4ad5' // hardcoded RNS registry address
+        this.rnsRegistryContract = new ethers.Contract(
+          RNS_REGISTRY_ADDRESS,
+          ['function resolver(bytes32 node) public view returns (address)'],
+          this.rskProvider
+        )
+      }
+      const nameHash = ethers.utils.namehash(domain)
+      const resolverAddress = await this.rnsRegistryContract.resolver(nameHash)
+      if (resolverAddress === ethers.constants.AddressZero) {
+        throw new ResolutionError('UnregisteredDomain', { domain })
+      }
+      // Check if current selected currency is on RSK chain 137 if not check for multichain address
+      let address = ''
+      if (chainId === 137) {
+        const addrResolverContract = new ethers.Contract(resolverAddress, ['function addr(bytes32 node) public view returns (address)'], this.rskProvider)
+        address = await addrResolverContract.addr(nameHash)
+      } else {
+        const multichainAddrResolverContract = new ethers.Contract(
+          resolverAddress,
+          ['function addr(bytes32 node, uint coinType) external view returns(bytes memory)'],
+          this.rskProvider
+        )
+        address = await multichainAddrResolverContract.addr(nameHash, chainId)
+      }
+      if (address === undefined || address === null) {
+        throw new ResolutionError('UnregisteredDomain', { domain })
+      }
+      return address.toLowerCase()
+    } catch (e) {
+      throw new ResolutionError('UnregisteredDomain', { domain })
+    }
+  }
+
   resolveAddress = async (domain: string, currencyTicker: string) => {
     if (!domain) return
     try {
       this.setStatusLabel(lstrings.resolving)
       let addr: string
       if (this.checkIfUnstoppableDomain(domain)) addr = await this.fetchUnstoppableDomainAddress(domain, currencyTicker)
       else if (this.checkIfEnsDomain(domain)) addr = await this.fetchEnsAddress(domain)
+      else if (this.checkIfRnsDomain(domain)) addr = await this.fetchRnsAddress(domain)
       else {
         throw new ResolutionError('UnsupportedDomain', { domain })
       }

src/constants/WalletAndCurrencyConstants.ts

@@ -961,3 +961,4 @@ export const FIO_ADDRESS_DELIMITER = '@'
 
 export const UNSTOPPABLE_DOMAINS = ['.coin', '.wallet', '.bitcoin', '.x', '.888', '.nft', '.dao', '.blockchain', '.zil', '.crypto']
 export const ENS_DOMAINS = ['.eth', '.luxe', '.kred', '.xyz', '.art']
+export const RNS_DOMAINS = ['.rsk']

src/locales/en_US.ts

@@ -926,7 +926,7 @@ const strings = {
   personalize_wallet_title: 'Personalize Your Wallet',
   get_started_button: 'Get Started',
   not_now_button: 'Not Now',
-  scan_address_modal_title: 'Enter Recipient FIO, ENS, or Public Address',
+  scan_address_modal_title: 'Enter Recipient FIO, ENS, RNS, or Public Address',
   enter_any_title: 'Enter any of the following:',
   enter_any_body:
     '1. Public address to send money to\n2. Private key to sweep\n3. Wallet Connect URI to connect to a dApp\n4. Edge Login URI to login to another device\n\nEdge will auto-detect the URI format and allow you to select an appropriate wallet',

src/locales/strings/enUS.json

@@ -829,7 +829,7 @@
   "personalize_wallet_title": "Personalize Your Wallet",
   "get_started_button": "Get Started",
   "not_now_button": "Not Now",
-  "scan_address_modal_title": "Enter Recipient FIO, ENS, or Public Address",
+  "scan_address_modal_title": "Enter Recipient FIO, ENS, RNS, or Public Address",
   "enter_any_title": "Enter any of the following:",
   "enter_any_body": "1. Public address to send money to\n2. Private key to sweep\n3. Wallet Connect URI to connect to a dApp\n4. Edge Login URI to login to another device\n\nEdge will auto-detect the URI format and allow you to select an appropriate wallet",
   "enter_any_input_hint": "Enter any of the above",