1 files changed, 137 insertions, 0 deletions
diff --git a/ui/classic/app/reducers/metamask.js b/ui/classic/app/reducers/metamask.js
new file mode 100644
index 000000000..e0c416c2d
--- /dev/null
+++ b/ui/classic/app/reducers/metamask.js
@@ -0,0 +1,137 @@
+const extend = require('xtend')
+const actions = require('../actions')
+
+module.exports = reduceMetamask
+
+function reduceMetamask (state, action) {
+  let newState
+
+  // clone + defaults
+  var metamaskState = extend({
+    isInitialized: false,
+    isUnlocked: false,
+    rpcTarget: 'https://rawtestrpc.metamask.io/',
+    identities: {},
+    unapprovedTxs: {},
+    noActiveNotices: true,
+    lastUnreadNotice: undefined,
+    frequentRpcList: [],
+    addressBook: [],
+  }, state.metamask)
+
+  switch (action.type) {
+
+    case actions.SHOW_ACCOUNTS_PAGE:
+      newState = extend(metamaskState)
+      delete newState.seedWords
+      return newState
+
+    case actions.SHOW_NOTICE:
+      return extend(metamaskState, {
+        noActiveNotices: false,
+        lastUnreadNotice: action.value,
+      })
+
+    case actions.CLEAR_NOTICES:
+      return extend(metamaskState, {
+        noActiveNotices: true,
+      })
+
+    case actions.UPDATE_METAMASK_STATE:
+      return extend(metamaskState, action.value)
+
+    case actions.UNLOCK_METAMASK:
+      return extend(metamaskState, {
+        isUnlocked: true,
+        isInitialized: true,
+        selectedAddress: action.value,
+      })
+
+    case actions.LOCK_METAMASK:
+      return extend(metamaskState, {
+        isUnlocked: false,
+      })
+
+    case actions.SET_RPC_LIST:
+      return extend(metamaskState, {
+        frequentRpcList: action.value,
+      })
+
+    case actions.SET_RPC_TARGET:
+      return extend(metamaskState, {
+        provider: {
+          type: 'rpc',
+          rpcTarget: action.value,
+        },
+      })
+
+    case actions.SET_PROVIDER_TYPE:
+      return extend(metamaskState, {
+        provider: {
+          type: action.value,
+        },
+      })
+
+    case actions.COMPLETED_TX:
+      var stringId = String(action.id)
+      newState = extend(metamaskState, {
+        unapprovedTxs: {},
+        unapprovedMsgs: {},
+      })
+      for (const id in metamaskState.unapprovedTxs) {
+        if (id !== stringId) {
+          newState.unapprovedTxs[id] = metamaskState.unapprovedTxs[id]
+        }
+      }
+      for (const id in metamaskState.unapprovedMsgs) {
+        if (id !== stringId) {
+          newState.unapprovedMsgs[id] = metamaskState.unapprovedMsgs[id]
+        }
+      }
+      return newState
+
+    case actions.SHOW_NEW_VAULT_SEED:
+      return extend(metamaskState, {
+        isUnlocked: true,
+        isInitialized: false,
+        seedWords: action.value,
+      })
+
+    case actions.CLEAR_SEED_WORD_CACHE:
+      newState = extend(metamaskState, {
+        isUnlocked: true,
+        isInitialized: true,
+        selectedAddress: action.value,
+      })
+      delete newState.seedWords
+      return newState
+
+    case actions.SHOW_ACCOUNT_DETAIL:
+      newState = extend(metamaskState, {
+        isUnlocked: true,
+        isInitialized: true,
+        selectedAddress: action.value,
+      })
+      delete newState.seedWords
+      return newState
+
+    case actions.SAVE_ACCOUNT_LABEL:
+      const account = action.value.account
+      const name = action.value.label
+      var id = {}
+      id[account] = extend(metamaskState.identities[account], { name })
+      var identities = extend(metamaskState.identities, id)
+      return extend(metamaskState, { identities })
+
+    case actions.SET_CURRENT_FIAT:
+      return extend(metamaskState, {
+        currentCurrency: action.value.currentCurrency,
+        conversionRate: action.value.conversionRate,
+        conversionDate: action.value.conversionDate,
+      })
+
+    default:
+      return metamaskState
+
+  }
+}