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: [], selectedTokenAddress: null, tokenExchangeRates: {}, }, 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.SET_SELECTED_TOKEN: return extend(metamaskState, { selectedTokenAddress: action.value, }) 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, }) case actions.UPDATE_TOKEN_EXCHANGE_RATE: const { payload: { pair, marketinfo } } = action return extend(metamaskState, { tokenExchangeRates: { ...metamaskState.tokenExchangeRates, [pair]: marketinfo, }, }) default: return metamaskState } }