const extend = require('xtend') const actions = require('../actions') const txHelper = require('../../lib/tx-helper') const log = require('loglevel') module.exports = reduceApp function reduceApp (state, action) { log.debug('App Reducer got ' + action.type) // clone and defaults const selectedAddress = state.metamask.selectedAddress const hasUnconfActions = checkUnconfActions(state) let name = 'accounts' if (selectedAddress) { name = 'accountDetail' } if (hasUnconfActions) { log.debug('pending txs detected, defaulting to conf-tx view.') name = 'confTx' } var defaultView = { name, detailView: null, context: selectedAddress, } // confirm seed words var seedWords = state.metamask.seedWords var seedConfView = { name: 'createVaultComplete', seedWords, } // default state var appState = extend({ shouldClose: false, menuOpen: false, modal: { open: false, modalState: { name: null, props: {}, }, previousModalState: { name: null, }, }, sidebarOpen: false, alertOpen: false, alertMessage: null, qrCodeData: null, networkDropdownOpen: false, currentView: seedWords ? seedConfView : defaultView, accountDetail: { subview: 'transactions', }, // Used to render transition direction transForward: true, // Used to display loading indicator isLoading: false, // Used to display error text warning: null, buyView: {}, isMouseUser: false, gasIsLoading: false, networkNonce: null, defaultHdPaths: { trezor: `m/44'/60'/0'/0`, ledger: `m/44'/60'/0'/0/0`, }, }, state.appState) switch (action.type) { // dropdown methods case actions.NETWORK_DROPDOWN_OPEN: return extend(appState, { networkDropdownOpen: true, }) case actions.NETWORK_DROPDOWN_CLOSE: return extend(appState, { networkDropdownOpen: false, }) // sidebar methods case actions.SIDEBAR_OPEN: return extend(appState, { sidebarOpen: true, }) case actions.SIDEBAR_CLOSE: return extend(appState, { sidebarOpen: false, }) // alert methods case actions.ALERT_OPEN: return extend(appState, { alertOpen: true, alertMessage: action.value, }) case actions.ALERT_CLOSE: return extend(appState, { alertOpen: false, alertMessage: null, }) // qr scanner methods case actions.QR_CODE_DETECTED: return extend(appState, { qrCodeData: action.value, }) // modal methods: case actions.MODAL_OPEN: const { name, ...modalProps } = action.payload return extend(appState, { modal: { open: true, modalState: { name: name, props: { ...modalProps }, }, previousModalState: { ...appState.modal.modalState }, }, }) case actions.MODAL_CLOSE: return extend(appState, { modal: Object.assign( state.appState.modal, { open: false }, { modalState: { name: null, props: {} } }, { previousModalState: appState.modal.modalState}, ), }) // transition methods case actions.TRANSITION_FORWARD: return extend(appState, { transForward: true, }) case actions.TRANSITION_BACKWARD: return extend(appState, { transForward: false, }) // 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, forgottenPassword: true, }) case actions.FORGOT_PASSWORD: const newState = extend(appState, { forgottenPassword: action.value, }) if (action.value) { newState.currentView = { name: 'restoreVault', } } return newState 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_ADD_TOKEN_PAGE: return extend(appState, { currentView: { name: 'add-token', context: appState.currentView.context, }, transForward: action.value, }) case actions.SHOW_IMPORT_PAGE: return extend(appState, { currentView: { name: 'import-menu', }, transForward: true, warning: null, }) case actions.SHOW_NEW_ACCOUNT_PAGE: return extend(appState, { currentView: { name: 'new-account-page', context: action.formToSelect, }, transForward: true, warning: null, }) case actions.SET_NEW_ACCOUNT_FORM: return extend(appState, { currentView: { name: appState.currentView.name, context: action.formToSelect, }, }) 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.NEW_ACCOUNT_SCREEN: return extend(appState, { currentView: { name: 'new-account', context: appState.currentView.context, }, transForward: true, }) case actions.SHOW_SEND_PAGE: return extend(appState, { currentView: { name: 'sendTransaction', context: appState.currentView.context, }, transForward: true, warning: null, }) case actions.SHOW_SEND_TOKEN_PAGE: return extend(appState, { currentView: { name: 'sendToken', context: appState.currentView.context, }, transForward: true, warning: null, }) case actions.SHOW_NEW_KEYCHAIN: return extend(appState, { currentView: { name: 'newKeychain', context: appState.currentView.context, }, transForward: true, }) // unlock case actions.UNLOCK_METAMASK: return extend(appState, { forgottenPassword: appState.forgottenPassword ? !appState.forgottenPassword : null, detailView: {}, transForward: true, isLoading: false, warning: null, }) case actions.LOCK_METAMASK: return extend(appState, { currentView: defaultView, transForward: false, warning: null, }) case actions.BACK_TO_INIT_MENU: return extend(appState, { warning: null, transForward: false, forgottenPassword: true, currentView: { name: 'InitMenu', }, }) case actions.BACK_TO_UNLOCK_VIEW: return extend(appState, { warning: null, transForward: true, forgottenPassword: false, currentView: { name: 'UnlockScreen', }, }) // 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, { forgottenPassword: appState.forgottenPassword ? !appState.forgottenPassword : null, 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, forgottenPassword: false, }) case actions.SHOW_NOTICE: return extend(appState, { transForward: true, isLoading: false, }) case actions.REVEAL_ACCOUNT: return extend(appState, { scrollToBottom: true, }) case actions.SHOW_CONF_TX_PAGE: return extend(appState, { currentView: { name: 'confTx', context: action.id ? indexForPending(state, action.id) : 0, }, transForward: action.transForward, warning: null, isLoading: false, }) case actions.SHOW_CONF_MSG_PAGE: return extend(appState, { currentView: { name: hasUnconfActions ? 'confTx' : 'account-detail', context: 0, }, transForward: true, warning: null, isLoading: false, }) case actions.COMPLETED_TX: log.debug('reducing COMPLETED_TX for tx ' + action.value) const otherUnconfActions = getUnconfActionList(state) .filter(tx => tx.id !== action.value) const hasOtherUnconfActions = otherUnconfActions.length > 0 if (hasOtherUnconfActions) { log.debug('reducer detected txs - rendering confTx view') return extend(appState, { transForward: false, currentView: { name: 'confTx', context: 0, }, warning: null, }) } else { log.debug('attempting to close popup') return extend(appState, { // indicate notification should close shouldClose: true, 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: action.value || 'Incorrect password. Try again.', }) case actions.UNLOCK_SUCCEEDED: return extend(appState, { warning: '', }) case actions.SET_HARDWARE_WALLET_DEFAULT_HD_PATH: const { device, path } = action.value const newDefaults = {...appState.defaultHdPaths} newDefaults[device] = path return extend(appState, { defaultHdPaths: newDefaults, }) case actions.SHOW_LOADING: return extend(appState, { isLoading: true, loadingMessage: action.value, }) case actions.HIDE_LOADING: return extend(appState, { isLoading: false, }) case actions.SHOW_SUB_LOADING_INDICATION: return extend(appState, { isSubLoading: true, }) case actions.HIDE_SUB_LOADING_INDICATION: return extend(appState, { isSubLoading: 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, isLoading: false, }) 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.BUY_ETH_VIEW: return extend(appState, { transForward: true, currentView: { name: 'buyEth', context: appState.currentView.name, }, identity: state.metamask.identities[action.value], buyView: { subview: 'Coinbase', amount: '15.00', buyAddress: action.value, formView: { coinbase: true, shapeshift: false, }, }, }) case actions.ONBOARDING_BUY_ETH_VIEW: return extend(appState, { transForward: true, currentView: { name: 'onboardingBuyEth', context: appState.currentView.name, }, identity: state.metamask.identities[action.value], }) case actions.COINBASE_SUBVIEW: return extend(appState, { buyView: { subview: 'Coinbase', formView: { coinbase: true, shapeshift: false, }, buyAddress: appState.buyView.buyAddress, amount: appState.buyView.amount, }, }) case actions.SHAPESHIFT_SUBVIEW: return extend(appState, { buyView: { subview: 'ShapeShift', formView: { coinbase: false, shapeshift: true, marketinfo: action.value.marketinfo, coinOptions: action.value.coinOptions, }, buyAddress: action.value.buyAddress || appState.buyView.buyAddress, amount: appState.buyView.amount || 0, }, }) case actions.PAIR_UPDATE: return extend(appState, { buyView: { subview: 'ShapeShift', formView: { coinbase: false, shapeshift: true, marketinfo: action.value.marketinfo, coinOptions: appState.buyView.formView.coinOptions, }, buyAddress: appState.buyView.buyAddress, amount: appState.buyView.amount, warning: null, }, }) case actions.SHOW_QR: return extend(appState, { qrRequested: true, transForward: true, Qr: { message: action.value.message, data: action.value.data, }, }) case actions.SHOW_QR_VIEW: return extend(appState, { currentView: { name: 'qr', context: appState.currentView.context, }, transForward: true, Qr: { message: action.value.message, data: action.value.data, }, }) case actions.SET_MOUSE_USER_STATE: return extend(appState, { isMouseUser: action.value, }) case actions.GAS_LOADING_STARTED: return extend(appState, { gasIsLoading: true, }) case actions.GAS_LOADING_FINISHED: return extend(appState, { gasIsLoading: false, }) case actions.SET_NETWORK_NONCE: return extend(appState, { networkNonce: action.value, }) default: return appState } } function checkUnconfActions (state) { const unconfActionList = getUnconfActionList(state) const hasUnconfActions = unconfActionList.length > 0 return hasUnconfActions } function getUnconfActionList (state) { const { unapprovedTxs, unapprovedMsgs, unapprovedPersonalMsgs, unapprovedTypedMessages, network } = state.metamask const unconfActionList = txHelper(unapprovedTxs, unapprovedMsgs, unapprovedPersonalMsgs, unapprovedTypedMessages, network) return unconfActionList } function indexForPending (state, txId) { const unconfTxList = getUnconfActionList(state) const match = unconfTxList.find((tx) => tx.id === txId) const index = unconfTxList.indexOf(match) return index } // function indexForLastPending (state) { // return getUnconfActionList(state).length // }