init

store/settings.js

@@ -0,0 +1,93 @@
+/* eslint-disable no-console */
+import Web3 from 'web3'
+
+import networkConfig from '@/networkConfig'
+
+const getFirstRpcs = (acc, [netId, { rpcUrls }]) => {
+  const [rpc] = Object.values(rpcUrls)
+
+  acc[netId] = {
+    rpc
+  }
+
+  return acc
+}
+
+const rpcData = Object.entries(networkConfig).reduce(getFirstRpcs, {})
+
+export const state = () => {
+  return {
+    ...rpcData,
+    isActiveNotification: {
+      first: true,
+      second: true
+    }
+  }
+}
+
+export const getters = {
+  getRpc: (state) => (netId) => {
+    return state[`netId${netId}`].rpc
+  },
+  currentRpc: (state, getters, rootState) => {
+    const netId = rootState.metamask.netId
+    return state[`netId${netId}`].rpc
+  }
+}
+
+export const mutations = {
+  SAVE_RPC(state, { netId, name, url }) {
+    this._vm.$set(state[`netId${netId}`], 'rpc', { name, url })
+  },
+  DISABLE_NOTIFICATION(state, { key }) {
+    this._vm.$set(state, 'isActiveNotification', { ...state.isActiveNotification, [key]: false })
+  }
+}
+
+export const actions = {
+  disableNotification({ commit }, params) {
+    commit('DISABLE_NOTIFICATION', params)
+  },
+  async checkCurrentRpc({ dispatch, getters, rootGetters }) {
+    const netId = rootGetters['metamask/netId']
+    await dispatch('preselectRpc', { netId })
+  },
+  async preselectRpc({ getters, commit, dispatch }, { netId }) {
+    const savedRpc = getters.getRpc(netId)
+    const { isValid } = await dispatch('checkRpc', { ...savedRpc, netId })
+
+    if (isValid) {
+      return
+    }
+
+    const { rpcUrls } = networkConfig[`netId${netId}`]
+
+    for (const [, { name, url }] of Object.entries(rpcUrls)) {
+      const { isValid, error } = await dispatch('checkRpc', { url, netId })
+      if (isValid) {
+        commit('SAVE_RPC', { netId, name, url })
+        return
+      } else {
+        console.error('preselectRpc', url, error)
+      }
+    }
+    throw new Error(this.app.i18n.t('rpcSelectError'))
+  },
+  async checkRpc(_, { url, netId }) {
+    try {
+      const web3 = new Web3(url)
+
+      const chainId = await web3.eth.getChainId()
+
+      const isCurrent = Number(chainId) === Number(netId)
+      if (isCurrent) {
+        return { isValid: true }
+      } else {
+        return { isValid: false, error: this.app.i18n.t('thisRpcIsForDifferentNetwork') }
+      }
+    } catch (e) {
+      console.error('checkRpc', e)
+      return { isValid: false, error: this.app.i18n.t('rpcIsDown') }
+    }
+  }
+}