const extend = require('xtend')
const actions = require('../actions')
const MetamascaraPlatform = require('../../../app/scripts/platforms/window')
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,
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: {},
},
coinOptions: {},
}, 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,
},
})
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,
},
})
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.CLEAR_SEND:
return extend(metamaskState, {
send: {
gasLimit: null,
gasPrice: null,
gasTotal: null,
from: '',
to: '',
amount: '0x0',
memo: '',
errors: {},
},
})
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,
[marketinfo.pair]: ssMarketInfo,
},
coinOptions,
})
default:
return metamaskState
}
}
