import * as actionConstants from '../../store/actionConstants'; import { ALERT_TYPES } from '../../../../shared/constants/alerts'; import { NETWORK_TYPE_RPC } from '../../../../shared/constants/network'; export default function reduceMetamask(state = {}, action) { const metamaskState = { isInitialized: false, isUnlocked: false, isAccountMenuOpen: false, rpcUrl: 'https://rawtestrpc.metamask.io/', identities: {}, unapprovedTxs: {}, frequentRpcList: [], addressBook: [], contractExchangeRates: {}, tokens: [], pendingTokens: {}, customNonceValue: '', send: { gasLimit: null, gasPrice: null, gasTotal: null, tokenBalance: '0x0', from: '', to: '', amount: '0', memo: '', errors: {}, maxModeOn: false, editingTransactionId: null, toNickname: '', ensResolution: null, ensResolutionError: '', }, useBlockie: false, featureFlags: {}, welcomeScreenSeen: false, currentLocale: '', preferences: { autoLockTimeLimit: undefined, showFiatInTestnets: false, useNativeCurrencyAsPrimaryCurrency: true, }, firstTimeFlowType: null, completedOnboarding: false, knownMethodData: {}, participateInMetaMetrics: null, metaMetricsSendCount: 0, nextNonce: null, ...state, }; switch (action.type) { case actionConstants.UPDATE_METAMASK_STATE: return { ...metamaskState, ...action.value }; case actionConstants.LOCK_METAMASK: return { ...metamaskState, isUnlocked: false, }; case actionConstants.SET_RPC_TARGET: return { ...metamaskState, provider: { type: NETWORK_TYPE_RPC, rpcUrl: action.value, }, }; case actionConstants.SET_PROVIDER_TYPE: return { ...metamaskState, provider: { type: action.value, }, }; case actionConstants.SHOW_ACCOUNT_DETAIL: return { ...metamaskState, isUnlocked: true, isInitialized: true, selectedAddress: action.value, }; case actionConstants.SET_ACCOUNT_LABEL: { const { account } = action.value; const name = action.value.label; const id = {}; id[account] = { ...metamaskState.identities[account], name }; const identities = { ...metamaskState.identities, ...id }; return Object.assign(metamaskState, { identities }); } case actionConstants.SET_CURRENT_FIAT: return Object.assign(metamaskState, { currentCurrency: action.value.currentCurrency, conversionRate: action.value.conversionRate, conversionDate: action.value.conversionDate, }); case actionConstants.UPDATE_TOKENS: return { ...metamaskState, tokens: action.newTokens, }; // metamask.send case actionConstants.UPDATE_GAS_LIMIT: return { ...metamaskState, send: { ...metamaskState.send, gasLimit: action.value, }, }; case actionConstants.UPDATE_CUSTOM_NONCE: return { ...metamaskState, customNonceValue: action.value, }; case actionConstants.UPDATE_GAS_PRICE: return { ...metamaskState, send: { ...metamaskState.send, gasPrice: action.value, }, }; case actionConstants.TOGGLE_ACCOUNT_MENU: return { ...metamaskState, isAccountMenuOpen: !metamaskState.isAccountMenuOpen, }; case actionConstants.UPDATE_GAS_TOTAL: return { ...metamaskState, send: { ...metamaskState.send, gasTotal: action.value, }, }; case actionConstants.UPDATE_SEND_TOKEN_BALANCE: return { ...metamaskState, send: { ...metamaskState.send, tokenBalance: action.value, }, }; case actionConstants.UPDATE_SEND_HEX_DATA: return { ...metamaskState, send: { ...metamaskState.send, data: action.value, }, }; case actionConstants.UPDATE_SEND_TO: return { ...metamaskState, send: { ...metamaskState.send, to: action.value.to, toNickname: action.value.nickname, }, }; case actionConstants.UPDATE_SEND_AMOUNT: return { ...metamaskState, send: { ...metamaskState.send, amount: action.value, }, }; case actionConstants.UPDATE_MAX_MODE: return { ...metamaskState, send: { ...metamaskState.send, maxModeOn: action.value, }, }; case actionConstants.UPDATE_SEND: return Object.assign(metamaskState, { send: { ...metamaskState.send, ...action.value, }, }); case actionConstants.UPDATE_SEND_TOKEN: { const newSend = { ...metamaskState.send, token: action.value, }; // erase token-related state when switching back to native currency if (newSend.editingTransactionId && !newSend.token) { const unapprovedTx = newSend?.unapprovedTxs?.[newSend.editingTransactionId] || {}; const txParams = unapprovedTx.txParams || {}; Object.assign(newSend, { tokenBalance: null, balance: '0', from: unapprovedTx.from || '', unapprovedTxs: { ...newSend.unapprovedTxs, [newSend.editingTransactionId]: { ...unapprovedTx, txParams: { ...txParams, data: '', }, }, }, }); } return Object.assign(metamaskState, { send: newSend, }); } case actionConstants.UPDATE_SEND_ENS_RESOLUTION: return { ...metamaskState, send: { ...metamaskState.send, ensResolution: action.payload, ensResolutionError: '', }, }; case actionConstants.UPDATE_SEND_ENS_RESOLUTION_ERROR: return { ...metamaskState, send: { ...metamaskState.send, ensResolution: null, ensResolutionError: action.payload, }, }; case actionConstants.CLEAR_SEND: return { ...metamaskState, send: { gasLimit: null, gasPrice: null, gasTotal: null, tokenBalance: null, from: '', to: '', amount: '0x0', memo: '', errors: {}, maxModeOn: false, editingTransactionId: null, toNickname: '', }, }; case actionConstants.UPDATE_TRANSACTION_PARAMS: { const { id: txId, value } = action; let { currentNetworkTxList } = metamaskState; currentNetworkTxList = currentNetworkTxList.map((tx) => { if (tx.id === txId) { const newTx = { ...tx }; newTx.txParams = value; return newTx; } return tx; }); return { ...metamaskState, currentNetworkTxList, }; } case actionConstants.SET_PARTICIPATE_IN_METAMETRICS: return { ...metamaskState, participateInMetaMetrics: action.value, }; case actionConstants.SET_METAMETRICS_SEND_COUNT: return { ...metamaskState, metaMetricsSendCount: action.value, }; case actionConstants.SET_USE_BLOCKIE: return { ...metamaskState, useBlockie: action.value, }; case actionConstants.UPDATE_FEATURE_FLAGS: return { ...metamaskState, featureFlags: action.value, }; case actionConstants.CLOSE_WELCOME_SCREEN: return { ...metamaskState, welcomeScreenSeen: true, }; case actionConstants.SET_CURRENT_LOCALE: return { ...metamaskState, currentLocale: action.value.locale, }; case actionConstants.SET_PENDING_TOKENS: return { ...metamaskState, pendingTokens: { ...action.payload }, }; case actionConstants.CLEAR_PENDING_TOKENS: { return { ...metamaskState, pendingTokens: {}, }; } case actionConstants.UPDATE_PREFERENCES: { return { ...metamaskState, preferences: { ...metamaskState.preferences, ...action.payload, }, }; } case actionConstants.COMPLETE_ONBOARDING: { return { ...metamaskState, completedOnboarding: true, }; } case actionConstants.SET_FIRST_TIME_FLOW_TYPE: { return { ...metamaskState, firstTimeFlowType: action.value, }; } case actionConstants.SET_NEXT_NONCE: { return { ...metamaskState, nextNonce: action.value, }; } default: return metamaskState; } } export const getCurrentLocale = (state) => state.metamask.currentLocale; export const getAlertEnabledness = (state) => state.metamask.alertEnabledness; export const getUnconnectedAccountAlertEnabledness = (state) => getAlertEnabledness(state)[ALERT_TYPES.unconnectedAccount]; export const getWeb3ShimUsageAlertEnabledness = (state) => getAlertEnabledness(state)[ALERT_TYPES.web3ShimUsage]; export const getUnconnectedAccountAlertShown = (state) => state.metamask.unconnectedAccountAlertShownOrigins; export const getTokens = (state) => state.metamask.tokens;