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, isEthConfirmed: false, rpcTarget: 'https://rawtestrpc.metamask.io/', identities: {}, unconfTxs: {}, currentFiat: 'USD', conversionRate: 0, conversionDate: 'N/A', }, state.metamask) switch (action.type) { case actions.SHOW_ACCOUNTS_PAGE: newState = extend(metamaskState) delete newState.seedWords return newState case actions.UPDATE_METAMASK_STATE: return extend(metamaskState, action.value) case actions.AGREE_TO_DISCLAIMER: return extend(metamaskState, { isConfirmed: true, }) case actions.AGREE_TO_ETH_WARNING: return extend(metamaskState, { isEthConfirmed: !metamaskState.isEthConfirmed, }) case actions.UNLOCK_METAMASK: return extend(metamaskState, { isUnlocked: true, isInitialized: true, selectedAccount: action.value, }) case actions.LOCK_METAMASK: return extend(metamaskState, { isUnlocked: false, }) 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, { unconfTxs: {}, unconfMsgs: {}, }) for (const id in metamaskState.unconfTxs) { if (id !== stringId) { newState.unconfTxs[id] = metamaskState.unconfTxs[id] } } for (const id in metamaskState.unconfMsgs) { if (id !== stringId) { newState.unconfMsgs[id] = metamaskState.unconfMsgs[id] } } return newState case actions.SHOW_NEW_VAULT_SEED: return extend(metamaskState, { isUnlocked: true, isInitialized: false, }) case actions.CLEAR_SEED_WORD_CACHE: newState = extend(metamaskState, { isUnlocked: true, isInitialized: true, selectedAccount: action.value, }) delete newState.seedWords return newState case actions.SHOW_ACCOUNT_DETAIL: newState = extend(metamaskState, { isUnlocked: true, isInitialized: true, selectedAccount: action.value, selectedAddress: action.value, }) delete newState.seedWords return newState 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, { currentFiat: action.value.currentFiat, conversionRate: action.value.conversionRate, conversionDate: action.value.conversionDate, }) default: return metamaskState } }