const extend = require('xtend')
const actions = require('../actions')
const MetamascaraPlatform = require('../../../app/scripts/platforms/window')
const { getEnvironmentType } = require('../../../app/scripts/lib/util')
const { ENVIRONMENT_TYPE_POPUP } = require('../../../app/scripts/lib/enums')
const { OLD_UI_NETWORK_TYPE } = require('../../../app/scripts/controllers/network/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: getEnvironmentType(window.location.href) === ENVIRONMENT_TYPE_POPUP,
rpcTarget: 'https://rawtestrpc.metamask.io/',
identities: {},
unapprovedTxs: {},
noActiveNotices: true,
nextUnreadNotice: undefined,
frequentRpcList: [],
addressBook: [],
selectedTokenAddress: null,
contractExchangeRates: {},
tokenExchangeRates: {},
tokens: [],
pendingTokens: {},
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,
currentLocale: '',
preferences: {
useETHAsPrimaryCurrency: true,
},
}, 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,
nextUnreadNotice: 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.SET_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_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_HEX_DATA:
return extend(metamaskState, {
send: {
...metamaskState.send,
data: 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_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,
})
case actions.SET_CURRENT_LOCALE:
return extend(metamaskState, {
currentLocale: action.value,
})
case actions.SET_PENDING_TOKENS:
return extend(metamaskState, {
pendingTokens: { ...action.payload },
})
case actions.CLEAR_PENDING_TOKENS: {
return extend(metamaskState, {
pendingTokens: {},
})
}
case actions.UPDATE_PREFERENCES: {
return extend(metamaskState, {
preferences: { ...action.payload },
})
}
default:
return metamaskState
}
}