JS and CSS refactorings, fixes, and improvements

apps/block_scout_web/assets/css/_mixins.scss

@@ -172,8 +172,9 @@
   &[disabled] {
     &,
     &:hover {
-      background-color: $bg-color;
+      background-color: $bg-color!important;
-      border-color: $text-color;
+      border-color: $primary!important;
+      color: $primary!important;
       cursor: default;
       opacity: 0.5;
     }

apps/block_scout_web/assets/css/components/_form.scss

@@ -92,6 +92,14 @@ $form-control-border-color-active: $primary !default;
     color: white;
     background: #FF7884;
     border-radius: 0 0 2px 2px;
+
+    .link-helptip {
+      border-bottom-width: 1px;
+      border-bottom-style: dotted;
+      color: inherit;
+      cursor: help;
+      text-decoration: none;
+    }
   }
 }
 

apps/block_scout_web/assets/css/theme/_dai_variables.scss

@@ -105,6 +105,15 @@ $dark-tertiary: #5a77ff;
     background-color: transparent!important;
     border-color: $dark-tertiary!important;
     color: $dark-tertiary!important;
+
+    &[disabled] {
+        &,
+        &:hover {
+            background-color: transparent!important;
+            border-color: $dark-tertiary!important;
+            color: $dark-tertiary!important;
+        }
+    }
 }
 
 .dark-theme-applied .btn-line:hover {

apps/block_scout_web/assets/css/theme/_dark-theme.scss

@@ -296,6 +296,14 @@ $dark-stakes-banned-background: #3e314c;
 		color: $labels-dark;
 	}
 
+	.stakes-table-body {
+		.refresh-informer {
+			a {
+				color: inherit;
+			}
+		}
+	}
+
 	.stakes-td {
 		border-bottom-color: darken($labels-dark, 30);
 	}
@@ -554,6 +562,10 @@ $dark-stakes-banned-background: #3e314c;
 		color: #fff;
 		transition: border-color 0.15s ease-in-out;
 
+		&[readonly] {
+			background-color: $dark-light!important;
+		}
+
 		&::placeholder {
 			color: $labels-dark;
 		}

apps/block_scout_web/assets/js/pages/stakes.js

@@ -29,6 +29,7 @@ export const initialState = {
   network: null,
   refreshBlockNumber: 0, // last page refresh block number
   refreshInterval: null,
+  refreshPageFunc: refreshPageWrapper,
   stakingAllowed: false,
   stakingTokenDefined: false,
   stakingContract: null,

apps/block_scout_web/assets/js/pages/stakes/claim_reward.js

@@ -9,7 +9,7 @@ import {
   unlockModal
 } from '../../lib/modals'
 import { displayInputError, hideInputError } from '../../lib/validation'
-import { isSupportedNetwork } from './utils'
+import { isSupportedNetwork, makeContractCall } from './utils'
 
 let status = 'modalClosed'
 
@@ -230,53 +230,20 @@ function onPoolsFound ($modal, $modalBody, channel, store) {
       const gasLimit = parseInt($('#tx-gas-limit', $modalBody).text().replace(/~/g, '').trim(), 10)
       const state = store.getState()
       const stakingContract = state.stakingContract
-      const from = state.account
-      const web3 = state.web3
 
       if (isNaN(gasLimit)) {
         claimFinished('Invalid gas limit. Please, contact support.')
       } else if (!stakingContract) {
         claimFinished('Staking contract is undefined. Please, contact support.')
-      } else if (!from) {
-        claimFinished('Your MetaMask account is undefined. Please, contact support.')
-      } else if (!web3) {
-        claimFinished('Web3 is undefined. Please, contact support.')
       } else if (!poolStakingAddress) {
         claimFinished('Pool staking address is undefined. Please, contact support.')
       } else {
-        stakingContract.methods.claimReward(epochs, poolStakingAddress).send({
+        makeContractCall(
-          from,
+          stakingContract.methods.claimReward(epochs, poolStakingAddress),
-          gasPrice: web3.utils.toWei('1', 'gwei'),
+          store,
-          gas: Math.ceil(gasLimit * 1.2) // +20% reserve to ensure enough gas
+          gasLimit,
-        }, async function (error, txHash) {
+          claimFinished
-          if (error) {
+        )
-            claimFinished(error.message)
-          } else {
-            try {
-              let tx
-              let currentBlockNumber
-              const maxWaitBlocks = 6
-              const startBlockNumber = (await web3.eth.getBlockNumber()) - 0
-              const finishBlockNumber = startBlockNumber + maxWaitBlocks
-              do {
-                await sleep(5) // seconds
-                tx = await web3.eth.getTransactionReceipt(txHash)
-                currentBlockNumber = await web3.eth.getBlockNumber()
-              } while (tx === null && currentBlockNumber <= finishBlockNumber)
-              if (tx) {
-                if (tx.status === true || tx.status === '0x1') {
-                  claimFinished()
-                } else {
-                  claimFinished('Transaction reverted')
-                }
-              } else {
-                claimFinished(`Your transaction was not mined in ${maxWaitBlocks} blocks. Please, try again with the increased gas price or fixed nonce (use Reset Account feature of MetaMask).`)
-              }
-            } catch (e) {
-              claimFinished(e.message)
-            }
-          }
-        })
       }
     }
     function claimFinished (error) {
@@ -303,10 +270,6 @@ function lockUI (lock, $modal, $button, $poolsDropdown, $epochChoiceRadio, $spec
   $specifiedEpochsText.prop('disabled', lock)
 }
 
-function sleep (seconds) {
-  return new Promise(resolve => setTimeout(resolve, seconds * 1000))
-}
-
 function showButton (type, $modalBody, calculations) {
   const $recalculateButton = $('button.recalculate', $modalBody)
   const $submitButton = $('button.submit', $modalBody)

apps/block_scout_web/assets/js/pages/stakes/make_stake.js

@@ -2,19 +2,22 @@ import $ from 'jquery'
 import { BigNumber } from 'bignumber.js'
 import { openErrorModal, openModal, openWarningModal, lockModal } from '../../lib/modals'
 import { setupValidation } from '../../lib/validation'
-import { makeContractCall, setupChart, isSupportedNetwork } from './utils'
+import { makeContractCall, setupChart, isSupportedNetwork, isStakingAllowed } from './utils'
 
 export function openMakeStakeModal (event, store) {
-  if (!store.getState().account) {
+  const state = store.getState()
+
+  if (!state.account) {
     openWarningModal('Unauthorized', 'You haven\'t approved the reading of account list from your MetaMask or MetaMask is not installed.')
     return
   }
 
   if (!isSupportedNetwork(store)) return
+  if (!isStakingAllowed(state)) return
 
   const address = $(event.target).closest('[data-address]').data('address') || store.getState().account
 
-  store.getState().channel
+  state.channel
     .push('render_make_stake', { address })
     .receive('ok', msg => {
       const $modal = $(msg.html)
@@ -47,8 +50,6 @@ export function openMakeStakeModal (event, store) {
 }
 
 async function makeStake ($modal, address, store, msg) {
-  lockModal($modal)
-
   const state = store.getState()
   const stakingContract = state.stakingContract
   const validatorSetContract = state.validatorSetContract
@@ -56,6 +57,10 @@ async function makeStake ($modal, address, store, msg) {
 
   const stake = new BigNumber($modal.find('[delegator-stake]').val().replace(',', '.').trim()).shiftedBy(decimals).integerValue()
 
+  if (!isSupportedNetwork(store)) return
+  if (!isStakingAllowed(state)) return
+  lockModal($modal)
+
   let miningAddress = msg.mining_address
   if (!miningAddress || miningAddress === '0x0000000000000000000000000000000000000000') {
     miningAddress = await validatorSetContract.methods.miningByStakingAddress(address).call()

apps/block_scout_web/assets/js/pages/stakes/remove_pool.js

@@ -1,4 +1,4 @@
-import { openQuestionModal } from '../../lib/modals'
+import { openErrorModal, openQuestionModal } from '../../lib/modals'
 import { makeContractCall, isSupportedNetwork } from './utils'
 
 export function openRemovePoolModal (store) {
@@ -7,6 +7,19 @@ export function openRemovePoolModal (store) {
 }
 
 async function removePool (store) {
-  const contract = store.getState().stakingContract
+  const state = store.getState()
-  makeContractCall(contract.methods.removeMyPool(), store)
+  const call = state.stakingContract.methods.removeMyPool()
+  let gasLimit
+
+  try {
+    gasLimit = await call.estimateGas({
+      from: state.account,
+      gasPrice: 1000000000
+    })
+  } catch (err) {
+    openErrorModal('Error', 'Currently you cannot remove your pool. Please try again during the next epoch.')
+    return
+  }
+
+  makeContractCall(call, store, gasLimit)
 }

apps/block_scout_web/assets/js/pages/stakes/utils.js

@@ -1,55 +1,79 @@
 import $ from 'jquery'
 import Chart from 'chart.js'
-import { refreshPage } from '../../lib/async_listing_load'
 import { openErrorModal, openSuccessModal, openWarningModal } from '../../lib/modals'
 
-export async function makeContractCall (call, store) {
+export async function makeContractCall (call, store, gasLimit, callbackFunc) {
-  let gas, timeout
+  const state = store.getState()
-  let resultShown = false
+  const from = state.account
-  const account = store.getState().account
+  const web3 = state.web3
 
-  try {
+  if (!callbackFunc) {
-    gas = await call.estimateGas({
+    callbackFunc = function (errorMessage) {
-      from: account,
+      if (!errorMessage) {
-      gasPrice: 1000000000
+        state.refreshPageFunc(store)
-    })
+        openSuccessModal('Success', 'Transaction is confirmed.')
-  } catch (err) {
+      } else {
-    openErrorModal('Error', 'Your transaction cannot be mined at the moment. Please, try again in a few blocks.')
+        openErrorModal('Error', errorMessage)
-    return
+      }
+    }
   }
 
-  try {
+  if (!from) {
-    await call.send({
+    return callbackFunc('Your MetaMask account is undefined. Please, contact support.')
-      from: account,
+  } else if (!web3) {
-      gas: Math.ceil(gas * 1.2),
+    return callbackFunc('Web3 is undefined. Please, contact support.')
-      gasPrice: 1000000000
+  }
-    }).once('transactionHash', (hash) => {
-      timeout = setTimeout(() => {
-        if (!resultShown) {
-          openErrorModal('Error', 'Your transaction cannot be mined at the moment. Please, try again with the increased gas price or fixed nonce (use Reset Account feature of MetaMask).')
-          resultShown = true
-        }
-      }, 30000)
-    })
 
-    clearTimeout(timeout)
+  const gasPrice = web3.utils.toWei('1', 'gwei')
-    refreshPage(store)
 
-    if (!resultShown) {
+  if (!gasLimit) {
-      openSuccessModal('Success', 'Transaction is confirmed.')
+    try {
-      resultShown = true
+      gasLimit = await call.estimateGas({ from, gasPrice })
+    } catch (e) {
+      return callbackFunc('Your transaction cannot be mined at the moment. Please, try again in a few blocks.')
+    }
   }
-  } catch (err) {
+
-    clearTimeout(timeout)
+  call.send({
-    let errorMessage = 'Your MetaMask transaction was not processed, please try again in a few minutes.'
+    from,
-    if (err.message) {
+    gasPrice,
-      const detailsMessage = err.message.replace(/["]/g, '"')
+    gas: Math.ceil(gasLimit * 1.2) // +20% reserve to ensure enough gas
+  }, async function (error, txHash) {
+    if (error) {
+      let errorMessage = 'Your transaction wasn\'t processed, please try again in a few blocks.'
+      if (error.message) {
+        const detailsMessage = error.message.replace(/["]/g, '"')
         console.log(detailsMessage)
         const detailsHTML = ` <a href="javascript:void(0);" data-boundary="window" data-container="body" data-html="false" data-placement="top" data-toggle="tooltip" title="${detailsMessage}" data-original-title="${detailsMessage}" class="link-helptip">Details</a>`
         errorMessage = errorMessage + detailsHTML
       }
-    openErrorModal('Error', errorMessage)
+      callbackFunc(errorMessage)
+    } else {
+      try {
+        let tx
+        let currentBlockNumber
+        const maxWaitBlocks = 6
+        const startBlockNumber = (await web3.eth.getBlockNumber()) - 0
+        const finishBlockNumber = startBlockNumber + maxWaitBlocks
+        do {
+          await sleep(5) // seconds
+          tx = await web3.eth.getTransactionReceipt(txHash)
+          currentBlockNumber = await web3.eth.getBlockNumber()
+        } while (tx === null && currentBlockNumber <= finishBlockNumber)
+        if (tx) {
+          if (tx.status === true || tx.status === '0x1') {
+            callbackFunc() // success
+          } else {
+            callbackFunc('Transaction reverted')
+          }
+        } else {
+          callbackFunc(`Your transaction wasn't processed in ${maxWaitBlocks} blocks. Please, try again with the increased gas price or fixed nonce (use Reset Account feature of MetaMask).`)
         }
+      } catch (e) {
+        callbackFunc(e.message)
+      }
+    }
+  })
 }
 
 export function setupChart ($canvas, self, total) {
@@ -107,3 +131,7 @@ export function isSupportedNetwork (store) {
   openWarningModal('Unauthorized', 'Please, connect to the xDai Chain.<br /><a href="https://xdaichain.com" target="_blank">Instructions</a>')
   return false
 }
+
+function sleep (seconds) {
+  return new Promise(resolve => setTimeout(resolve, seconds * 1000))
+}