const extend = require('xtend') const actions = require('../actions') const MetamascaraPlatform = require('../../../app/scripts/platforms/window') const environmentType = require('../../../app/scripts/lib/environment-type') const { OLD_UI_NETWORK_TYPE } = require('../../../app/scripts/config').enums module.exports = reduceMetamask function reduceMetamask (state, action) { let newState // clone + defaults var metamaskState = extend({ isInitialized: false, isUnlocked: false, isAccountMenuOpen: false, isMascara: window.platform instanceof MetamascaraPlatform, isPopup: environmentType() === 'popup', rpcTarget: 'https://rawtestrpc.metamask.io/', identities: {}, unapprovedTxs: {}, noActiveNotices: true, lastUnreadNotice: undefined, frequentRpcList: [], addressBook: [], selectedTokenAddress: null, tokenExchangeRates: {}, tokens: [], send: { gasLimit: null, gasPrice: null, gasTotal: null, tokenBalance: null, from: '', to: '', amount: '0x0', memo: '', errors: {}, maxModeOn: false, editingTransactionId: null, forceGasMin: null, toNickname: '', }, coinOptions: {}, useBlockie: false, featureFlags: {}, networkEndpointType: OLD_UI_NETWORK_TYPE, isRevealingSeedWords: false, welcomeScreenSeen: false, }, state.metamask) switch (action.type) { case actions.SHOW_ACCOUNTS_PAGE: newState = extend(metamaskState, { isRevealingSeedWords: false, }) 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.EDIT_TX: return extend(metamaskState, { send: { ...metamaskState.send, editingTransactionId: action.value, }, }) case actions.SHOW_NEW_VAULT_SEED: return extend(metamaskState, { isRevealingSeedWords: true, 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.SET_SELECTED_TOKEN: return extend(metamaskState, { selectedTokenAddress: action.value, }) case actions.SAVE_ACCOUNT_LABEL: const account = action.value.account const name = action.value.label const id = {} id[account] = extend(metamaskState.identities[account], { name }) const 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, }) case actions.UPDATE_TOKEN_EXCHANGE_RATE: const { payload: { pair, marketinfo } } = action return extend(metamaskState, { tokenExchangeRates: { ...metamaskState.tokenExchangeRates, [pair]: marketinfo, }, }) case actions.UPDATE_TOKENS: return extend(metamaskState, { tokens: action.newTokens, }) // metamask.send case actions.UPDATE_GAS_LIMIT: return extend(metamaskState, { send: { ...metamaskState.send, gasLimit: action.value, }, }) case actions.UPDATE_GAS_PRICE: return extend(metamaskState, { send: { ...metamaskState.send, gasPrice: action.value, }, }) case actions.TOGGLE_ACCOUNT_MENU: return extend(metamaskState, { isAccountMenuOpen: !metamaskState.isAccountMenuOpen, }) case actions.UPDATE_GAS_TOTAL: return extend(metamaskState, { send: { ...metamaskState.send, gasTotal: action.value, }, }) case actions.UPDATE_SEND_TOKEN_BALANCE: return extend(metamaskState, { send: { ...metamaskState.send, tokenBalance: action.value, }, }) case actions.UPDATE_SEND_FROM: return extend(metamaskState, { send: { ...metamaskState.send, from: action.value, }, }) case actions.UPDATE_SEND_TO: return extend(metamaskState, { send: { ...metamaskState.send, to: action.value.to, toNickname: action.value.nickname, }, }) case actions.UPDATE_SEND_AMOUNT: return extend(metamaskState, { send: { ...metamaskState.send, amount: action.value, }, }) case actions.UPDATE_SEND_MEMO: return extend(metamaskState, { send: { ...metamaskState.send, memo: action.value, }, }) case actions.UPDATE_SEND_ERRORS: return extend(metamaskState, { send: { ...metamaskState.send, errors: { ...metamaskState.send.errors, ...action.value, }, }, }) case actions.UPDATE_MAX_MODE: return extend(metamaskState, { send: { ...metamaskState.send, maxModeOn: action.value, }, }) case actions.UPDATE_SEND: return extend(metamaskState, { send: { ...metamaskState.send, ...action.value, }, }) case actions.CLEAR_SEND: return extend(metamaskState, { send: { gasLimit: null, gasPrice: null, gasTotal: null, tokenBalance: null, from: '', to: '', amount: '0x0', memo: '', errors: {}, editingTransactionId: null, forceGasMin: null, }, }) case actions.UPDATE_TRANSACTION_PARAMS: const { id: txId, value } = action let { selectedAddressTxList } = metamaskState selectedAddressTxList = selectedAddressTxList.map(tx => { if (tx.id === txId) { tx.txParams = value } return tx }) return extend(metamaskState, { selectedAddressTxList, }) case actions.PAIR_UPDATE: const { value: { marketinfo: pairMarketInfo } } = action return extend(metamaskState, { tokenExchangeRates: { ...metamaskState.tokenExchangeRates, [pairMarketInfo.pair]: pairMarketInfo, }, }) case actions.SHAPESHIFT_SUBVIEW: const { value: { marketinfo: ssMarketInfo, coinOptions } } = action return extend(metamaskState, { tokenExchangeRates: { ...metamaskState.tokenExchangeRates, [ssMarketInfo.pair]: ssMarketInfo, }, coinOptions, }) case actions.SET_USE_BLOCKIE: return extend(metamaskState, { useBlockie: action.value, }) case actions.UPDATE_FEATURE_FLAGS: return extend(metamaskState, { featureFlags: action.value, }) case actions.UPDATE_NETWORK_ENDPOINT_TYPE: return extend(metamaskState, { networkEndpointType: action.value, }) case actions.CLOSE_WELCOME_SCREEN: return extend(metamaskState, { welcomeScreenSeen: true, }) default: return metamaskState } }