1 files changed, 73 insertions, 0 deletions
diff --git a/ui/app/reducers/metamask.js b/ui/app/reducers/metamask.js
new file mode 100644
index 000000000..43bb3f761
--- /dev/null
+++ b/ui/app/reducers/metamask.js
@@ -0,0 +1,73 @@
+const extend = require('xtend')
+const actions = require('../actions')
+
+module.exports = reduceMetamask
+
+function reduceMetamask(state, action) {
+
+  // clone + defaults
+  var metamaskState = extend({
+    isInitialized: false,
+    isUnlocked: false,
+    currentDomain: 'example.com',
+    rpcTarget: 'https://rawtestrpc.metamask.io/',
+    identities: {},
+    unconfTxs: {},
+  }, state.metamask)
+
+  switch (action.type) {
+
+  case actions.SHOW_ACCOUNTS_PAGE:
+    var state = extend(metamaskState)
+    delete state.seedWords
+    return state
+
+  case actions.UPDATE_METAMASK_STATE:
+    return extend(metamaskState, action.value)
+
+  case actions.UNLOCK_METAMASK:
+    return extend(metamaskState, {
+      isUnlocked: true,
+      isInitialized: true,
+    })
+
+  case actions.LOCK_METAMASK:
+    return extend(metamaskState, {
+      isUnlocked: false,
+    })
+
+  case actions.SET_RPC_TARGET:
+    return extend(metamaskState, {
+      rpcTarget: action.value,
+    })
+
+  case actions.COMPLETED_TX:
+    var stringId = String(action.id)
+    var newState = extend(metamaskState, {
+      unconfTxs: {}
+    })
+    for (var id in metamaskState.unconfTxs) {
+      if (id !== stringId) {
+        newState.unconfTxs[id] = metamaskState.unconfTxs[id]
+      }
+    }
+    return newState
+
+  case actions.CLEAR_SEED_WORD_CACHE:
+    var newState = extend(metamaskState, {
+      isInitialized: true,
+    })
+    delete newState.seedWords
+    return newState
+
+  case actions.CREATE_NEW_VAULT_IN_PROGRESS:
+    return extend(metamaskState, {
+      isUnlocked: true,
+      isInitialized: true,
+    })
+
+  default:
+    return metamaskState
+
+  }
+}