Add POA-GNO merge warning (#127)

README.md

@@ -5,7 +5,6 @@ Validators DApp is built for POA Network based blockchains. It gives an opportun
 ## Base supported networks
 
 - Core POA network (RPC endpoint: `https://core.poa.network`)
-- xDai chain (RPC endpoint: `https://dai.poa.network`)
 - Sokol testnet (RPC endpoint: `https://sokol.poa.network`)
 - Kovan testnet (RPC endpoint: `https://kovan.infura.io/`)
 

src/contracts/helpers.js

@@ -1,9 +1,6 @@
 import { constants } from '../utils/constants'
 
 function addressesURL(branch) {
-  if (branch === constants.branches.DAI) {
-    branch = 'ce2c77256f0d37fc48baa9b6cab806261d034785'
-  }
   const URL = `https://raw.githubusercontent.com/${constants.organization}/${constants.repoName}/${branch}/${
     constants.addressesSourceFile
   }`
@@ -12,9 +9,6 @@ function addressesURL(branch) {
 }
 
 function ABIURL(branch, contract) {
-  if (branch === constants.branches.DAI) {
-    branch = 'ce2c77256f0d37fc48baa9b6cab806261d034785'
-  }
   const URL = `https://raw.githubusercontent.com/${constants.organization}/${constants.repoName}/${branch}/abis/${
     constants.ABIsSources[contract]
   }`

src/index.js

@@ -83,6 +83,15 @@ class AppMainRouter extends Component {
         })
         this.setState({ loading: false, loadingNetworkBranch: null })
         this.onRouteChange()
+        if (web3Config.netId === 99) {
+          // if it's POA Core network
+          const currentTimestamp = Math.floor(Date.now() / 1000)
+          helpers.generateAlert(
+            'warning',
+            'Attention',
+            currentTimestamp < 1651698000 ? messages.poaGnoMerging : messages.poaGnoMerged
+          )
+        }
       })
       .catch(error => {
         console.error(error.message)

src/utils/constants.js

@@ -11,7 +11,6 @@ constants.ABIsSources = {
 constants.userDeniedTransactionPattern = 'User denied transaction'
 constants.rootPath = '/poa-dapps-validators'
 constants.branches = {
-  DAI: 'dai',
   CORE: 'core',
   SOKOL: 'sokol',
   KOVAN: 'kovan'
@@ -56,13 +55,6 @@ constants.NETWORKS = {
     RPC: 'https://core.poa.network',
     BRANCH: constants.branches.CORE,
     SORTORDER: 1
-  },
-  '100': {
-    NAME: 'xDai',
-    FULLNAME: 'xDai Stable Chain',
-    RPC: 'https://dai.poa.network',
-    BRANCH: constants.branches.DAI,
-    SORTORDER: 2
   }
 }
 

src/utils/helpers.js

@@ -13,7 +13,6 @@ function generateAlert(icon, title, msg) {
 
 function isCompanyAllowed(netId) {
   switch (netId) {
-    case netIdByBranch(constants.branches.DAI):
     case netIdByBranch(constants.branches.KOVAN):
       return true
     default:

src/utils/messages.js

@@ -16,4 +16,10 @@ messages.networkMatchError = function(netId) {
   return `Networks in DApp and MetaMask (Nifty Wallet) do not match. Switch MetaMask / Nifty Wallet to <b>${networkName}</b> or change the network in DApp.`
 }
 
+messages.poaGnoMerging =
+  'POA is joining the Gnosis Chain ecosystem, and token holders can now swap POA for STAKE and then STAKE for GNO on the Gnosis Chain! More info and instructions <a href="https://www.poa.network/" target="_blank">here</a>.'
+
+messages.poaGnoMerged =
+  'POA Network merged with the Gnosis Chain.<br /><a href="https://www.poa.network/" target="_blank">More information</a> about the merger.'
+
 export default messages