const extend = require('xtend') const actions = require('../actions') const txHelper = require('../../lib/tx-helper') module.exports = reduceApp function reduceApp (state, action) { // clone and defaults const selectedAccount = state.metamask.selectedAccount const pendingTxs = hasPendingTxs(state) let name = 'accounts' if (selectedAccount) { name = 'accountDetail' } if (pendingTxs) { name = 'confTx' } var defaultView = { name, detailView: null, context: selectedAccount, } // confirm seed words var seedWords = state.metamask.seedWords var seedConfView = { name: 'createVaultComplete', seedWords, } var ethStoreWarning = { name: 'EthStoreWarning', } var appState = extend({ menuOpen: false, currentView: seedWords ? seedConfView : !state.metamask.isEthConfirmed ? ethStoreWarning : defaultView, accountDetail: { subview: 'transactions', }, currentDomain: 'example.com', transForward: true, // Used to render transition direction isLoading: false, // Used to display loading indicator warning: null, // Used to display error text }, state.appState) switch (action.type) { // intialize case actions.SHOW_CREATE_VAULT: return extend(appState, { currentView: { name: 'createVault', }, transForward: true, warning: null, }) case actions.SHOW_RESTORE_VAULT: return extend(appState, { currentView: { name: 'restoreVault', }, transForward: true, }) case actions.SHOW_INIT_MENU: return extend(appState, { currentView: defaultView, transForward: false, }) case actions.SHOW_CONFIG_PAGE: return extend(appState, { currentView: { name: 'config', context: appState.currentView.context, }, transForward: action.value, }) case actions.SHOW_INFO_PAGE: return extend(appState, { currentView: { name: 'info', context: appState.currentView.context, }, transForward: true, }) case actions.CREATE_NEW_VAULT_IN_PROGRESS: return extend(appState, { currentView: { name: 'createVault', inProgress: true, }, transForward: true, isLoading: true, }) case actions.SHOW_NEW_VAULT_SEED: return extend(appState, { currentView: { name: 'createVaultComplete', seedWords: action.value, }, transForward: true, isLoading: false, }) case actions.SHOW_SEND_PAGE: return extend(appState, { currentView: { name: 'sendTransaction', context: appState.currentView.context, }, transForward: true, warning: null, }) // unlock case actions.UNLOCK_METAMASK: return extend(appState, { detailView: {}, transForward: true, isLoading: false, warning: null, }) case actions.LOCK_METAMASK: return extend(appState, { currentView: defaultView, transForward: false, warning: null, }) // reveal seed words case actions.REVEAL_SEED_CONFIRMATION: return extend(appState, { currentView: { name: 'reveal-seed-conf', }, transForward: true, warning: null, }) // accounts case actions.SET_SELECTED_ACCOUNT: return extend(appState, { activeAddress: action.value, }) case actions.GO_HOME: return extend(appState, { currentView: extend(appState.currentView, { name: 'accountDetail', }), accountDetail: { subview: 'transactions', accountExport: 'none', privateKey: '', }, transForward: false, warning: null, }) case actions.SHOW_ACCOUNT_DETAIL: return extend(appState, { currentView: { name: 'accountDetail', context: action.value, }, accountDetail: { subview: 'transactions', accountExport: 'none', privateKey: '', }, transForward: false, }) case actions.BACK_TO_ACCOUNT_DETAIL: return extend(appState, { currentView: { name: 'accountDetail', context: action.value, }, accountDetail: { subview: 'transactions', accountExport: 'none', privateKey: '', }, transForward: false, }) case actions.SHOW_ACCOUNTS_PAGE: return extend(appState, { currentView: { name: seedWords ? 'createVaultComplete' : 'accounts', seedWords, }, transForward: true, isLoading: false, warning: null, scrollToBottom: false, }) case actions.REVEAL_ACCOUNT: return extend(appState, { scrollToBottom: true, }) case actions.SHOW_CONF_TX_PAGE: return extend(appState, { currentView: { name: 'confTx', context: 0, }, transForward: true, warning: null, }) case actions.SHOW_CONF_MSG_PAGE: return extend(appState, { currentView: { name: 'confTx', context: 0, }, transForward: true, warning: null, }) case actions.COMPLETED_TX: var unconfTxs = state.metamask.unconfTxs var unconfMsgs = state.metamask.unconfMsgs var unconfTxList = txHelper(unconfTxs, unconfMsgs) .filter(tx => tx !== tx.id) if (unconfTxList && unconfTxList.length > 0) { return extend(appState, { transForward: false, currentView: { name: 'confTx', context: 0, }, warning: null, }) } else { return extend(appState, { transForward: false, warning: null, currentView: { name: 'accountDetail', context: state.metamask.selectedAddress, }, accountDetail: { subview: 'transactions', }, }) } case actions.NEXT_TX: return extend(appState, { transForward: true, currentView: { name: 'confTx', context: ++appState.currentView.context, warning: null, }, }) case actions.VIEW_PENDING_TX: const context = indexForPending(state, action.value) return extend(appState, { transForward: true, currentView: { name: 'confTx', context, warning: null, }, }) case actions.PREVIOUS_TX: return extend(appState, { transForward: false, currentView: { name: 'confTx', context: --appState.currentView.context, warning: null, }, }) case actions.TRANSACTION_ERROR: return extend(appState, { currentView: { name: 'confTx', errorMessage: 'There was a problem submitting this transaction.', }, }) case actions.UNLOCK_FAILED: return extend(appState, { warning: 'Incorrect password. Try again.', }) case actions.SHOW_LOADING: return extend(appState, { isLoading: true, }) case actions.HIDE_LOADING: return extend(appState, { isLoading: false, }) case actions.CLEAR_SEED_WORD_CACHE: return extend(appState, { transForward: true, currentView: {}, isLoading: false, accountDetail: { subview: 'transactions', accountExport: 'none', privateKey: '', }, }) case actions.DISPLAY_WARNING: return extend(appState, { warning: action.value, }) case actions.HIDE_WARNING: return extend(appState, { warning: undefined, }) case actions.REQUEST_ACCOUNT_EXPORT: return extend(appState, { transForward: true, currentView: { name: 'accountDetail', context: appState.currentView.context, }, accountDetail: { subview: 'export', accountExport: 'requested', }, }) case actions.EXPORT_ACCOUNT: return extend(appState, { accountDetail: { subview: 'export', accountExport: 'completed', }, }) case actions.SHOW_PRIVATE_KEY: return extend(appState, { accountDetail: { subview: 'export', accountExport: 'completed', privateKey: action.value, }, }) case actions.SHOW_ETH_WARNING: return extend(appState, { transForward: true, currentView: { name: 'accountDetail', context: appState.currentView.context, }, accountDetail: { subview: 'buy-eth-warning', }, }) default: return appState } } function hasPendingTxs (state) { var unconfTxs = state.metamask.unconfTxs var unconfMsgs = state.metamask.unconfMsgs var unconfTxList = txHelper(unconfTxs, unconfMsgs) return unconfTxList.length > 0 } function indexForPending (state, txId) { var unconfTxs = state.metamask.unconfTxs var unconfMsgs = state.metamask.unconfMsgs var unconfTxList = txHelper(unconfTxs, unconfMsgs) let idx unconfTxList.forEach((tx, i) => { if (tx.id === txId) { idx = i } }) return idx }