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import { createSelector } from 'reselect'
import { ipcRenderer } from 'electron'
import { btc } from 'lib/utils'
import { requestSuggestedNodes } from 'lib/utils/api'
import db from 'store/db'
import { setError } from './error'
// ------------------------------------
// Constants
// ------------------------------------
export const SET_CHANNEL_FORM = 'SET_CHANNEL_FORM'
export const SET_CHANNEL = 'SET_CHANNEL'
export const GET_CHANNELS = 'GET_CHANNELS'
export const RECEIVE_CHANNELS = 'RECEIVE_CHANNELS'
export const OPENING_CHANNEL = 'OPENING_CHANNEL'
export const OPENING_SUCCESSFUL = 'OPENING_SUCCESSFUL'
export const OPENING_FAILURE = 'OPENING_FAILURE'
export const CLOSING_CHANNEL = 'CLOSING_CHANNEL'
export const CLOSING_SUCCESSFUL = 'CLOSING_SUCCESSFUL'
export const CLOSING_FAILURE = 'CLOSING_FAILURE'
export const UPDATE_SEARCH_QUERY = 'UPDATE_SEARCH_QUERY'
export const SET_VIEW_TYPE = 'SET_VIEW_TYPE'
export const TOGGLE_CHANNEL_PULLDOWN = 'TOGGLE_CHANNEL_PULLDOWN'
export const CHANGE_CHANNEL_FILTER = 'CHANGE_CHANNEL_FILTER'
export const ADD_LOADING_PUBKEY = 'ADD_LOADING_PUBKEY'
export const REMOVE_LOADING_PUBKEY = 'REMOVE_LOADING_PUBKEY'
export const ADD_ClOSING_CHAN_ID = 'ADD_ClOSING_CHAN_ID'
export const REMOVE_ClOSING_CHAN_ID = 'REMOVE_ClOSING_CHAN_ID'
export const SET_SELECTED_CHANNEL = 'SET_SELECTED_CHANNEL'
export const GET_SUGGESTED_NODES = 'GET_SUGGESTED_NODES'
export const RECEIVE_SUGGESTED_NODES_ERROR = 'RECEIVE_SUGGESTED_NODES_ERROR'
export const RECEIVE_SUGGESTED_NODES = 'RECEIVE_SUGGESTED_NODES'
// ------------------------------------
// Actions
// ------------------------------------
export function setChannelForm(form) {
return {
type: SET_CHANNEL_FORM,
form
}
}
export function setChannel(channel) {
return {
type: SET_CHANNEL,
channel
}
}
export function getChannels() {
return {
type: GET_CHANNELS
}
}
export function openingChannel() {
return {
type: OPENING_CHANNEL
}
}
export function closingChannel() {
return {
type: CLOSING_CHANNEL
}
}
export function openingSuccessful() {
return {
type: OPENING_SUCCESSFUL
}
}
export function openingFailure() {
return {
type: OPENING_FAILURE
}
}
export function updateChannelSearchQuery(searchQuery) {
return {
type: UPDATE_SEARCH_QUERY,
searchQuery
}
}
export function setViewType(viewType) {
return {
type: SET_VIEW_TYPE,
viewType
}
}
export function addLoadingPubkey(pubkey) {
return {
type: ADD_LOADING_PUBKEY,
pubkey
}
}
export function removeLoadingPubkey(pubkey) {
return {
type: REMOVE_LOADING_PUBKEY,
pubkey
}
}
export function addClosingChanId(chanId) {
return {
type: ADD_ClOSING_CHAN_ID,
chanId
}
}
export function removeClosingChanId(chanId) {
return {
type: REMOVE_ClOSING_CHAN_ID,
chanId
}
}
export function setSelectedChannel(selectedChannel) {
return {
type: SET_SELECTED_CHANNEL,
selectedChannel
}
}
export function getSuggestedNodes() {
return {
type: GET_SUGGESTED_NODES
}
}
export function receiveSuggestedNodesError() {
return {
type: RECEIVE_SUGGESTED_NODES_ERROR
}
}
export function receiveSuggestedNodes(suggestedNodes) {
return {
type: RECEIVE_SUGGESTED_NODES,
suggestedNodes
}
}
export const fetchSuggestedNodes = () => async dispatch => {
dispatch(getSuggestedNodes())
try {
const suggestedNodes = await requestSuggestedNodes()
dispatch(receiveSuggestedNodes(suggestedNodes))
} catch (e) {
dispatch(receiveSuggestedNodesError())
}
}
// Send IPC event for peers
export const fetchChannels = () => async dispatch => {
dispatch(getChannels())
ipcRenderer.send('lnd', { msg: 'channels' })
}
// Receive IPC event for channels
export const receiveChannels = (event, { channels, pendingChannels }) => dispatch =>
dispatch({ type: RECEIVE_CHANNELS, channels, pendingChannels })
// Send IPC event for opening a channel
export const openChannel = ({ pubkey, host, local_amt }) => async (dispatch, getState) => {
const state = getState()
const localamt = btc.convert(state.ticker.currency, 'sats', local_amt)
dispatch(openingChannel())
dispatch(addLoadingPubkey(pubkey))
// Grab the activeWallet type from our local store. If the active connection type is local (light clients using
// neutrino) we will flag manually created channels as private. Other connections like remote node and BTCPay Server
// we will announce to the network as these users are using Zap to drive nodes that are online 24/7
const activeWallet = await db.settings.get({ key: 'activeWallet' })
const wallet = (await db.wallets.get({ id: activeWallet.value })) || {}
ipcRenderer.send('lnd', {
msg: 'connectAndOpen',
data: { pubkey, host, localamt, private: wallet.type === 'local' }
})
}
// TODO: Decide how to handle streamed updates for channels
// Receive IPC event for openChannel
export const channelSuccessful = () => dispatch => {
dispatch(fetchChannels())
}
// Receive IPC event for updated channel
export const pushchannelupdated = (event, { pubkey }) => dispatch => {
dispatch(fetchChannels())
dispatch(removeLoadingPubkey(pubkey))
}
// Receive IPC event for channel end
// eslint-disable-next-line no-unused-vars
export const pushchannelend = event => dispatch => {
dispatch(fetchChannels())
}
// Receive IPC event for channel error
export const pushchannelerror = (event, { pubkey, error }) => dispatch => {
dispatch(openingFailure())
dispatch(setError(error))
dispatch(removeLoadingPubkey(pubkey))
}
// Receive IPC event for channel status
// eslint-disable-next-line no-unused-vars
export const pushchannelstatus = (event, data) => dispatch => {
dispatch(fetchChannels())
}
// Send IPC event for opening a channel
export const closeChannel = ({ channel_point, chan_id, force }) => dispatch => {
dispatch(closingChannel())
dispatch(addClosingChanId(chan_id))
const [funding_txid, output_index] = channel_point.split(':')
ipcRenderer.send('lnd', {
msg: 'closeChannel',
data: {
channel_point: {
funding_txid,
output_index
},
force
}
})
}
// TODO: Decide how to handle streamed updates for closing channels
// Receive IPC event for closeChannel
export const closeChannelSuccessful = () => dispatch => {
dispatch(fetchChannels())
}
// Receive IPC event for updated closing channel
export const pushclosechannelupdated = (event, { chan_id }) => dispatch => {
dispatch(fetchChannels())
dispatch(removeClosingChanId(chan_id))
}
// Receive IPC event for closing channel end
export const pushclosechannelend = () => dispatch => {
dispatch(fetchChannels())
}
// Receive IPC event for closing channel error
export const pushclosechannelerror = (event, { error, chan_id }) => dispatch => {
dispatch(setError(error))
dispatch(removeClosingChanId(chan_id))
}
// Receive IPC event for closing channel status
export const pushclosechannelstatus = () => dispatch => {
dispatch(fetchChannels())
}
// IPC event for channel graph data
export const channelGraphData = (event, data) => (dispatch, getState) => {
const { info } = getState()
const {
channelGraphData: { channel_updates }
} = data
// if there are any new channel updates
if (channel_updates.length) {
// The network has updated, so fetch a new result
// TODO: can't do this now because of the SVG performance issues, after we fix this we can uncomment the line below
// dispatch(fetchDescribeNetwork())
// loop through the channel updates
for (let i = 0; i < channel_updates.length; i += 1) {
const channel_update = channel_updates[i]
const { advertising_node, connecting_node } = channel_update
// if our node is involved in this update we wanna show a notification
if (
info.data.identity_pubkey === advertising_node ||
info.data.identity_pubkey === connecting_node
) {
// this channel has to do with the user, lets fetch a new channel list for them
// TODO: full fetch is probably not necessary
dispatch(fetchChannels())
}
}
}
}
// IPC event for channel graph status
export const channelGraphStatus = () => () => {}
export function toggleFilterPulldown() {
return {
type: TOGGLE_CHANNEL_PULLDOWN
}
}
export function changeFilter(channelFilter) {
return {
type: CHANGE_CHANNEL_FILTER,
channelFilter
}
}
// ------------------------------------
// Action Handlers
// ------------------------------------
const ACTION_HANDLERS = {
[SET_CHANNEL_FORM]: (state, { form }) => ({
...state,
channelForm: Object.assign({}, state.channelForm, form)
}),
[SET_CHANNEL]: (state, { channel }) => ({ ...state, channel }),
[GET_CHANNELS]: state => ({ ...state, channelsLoading: true }),
[RECEIVE_CHANNELS]: (state, { channels, pendingChannels }) => ({
...state,
channelsLoading: false,
channels,
pendingChannels
}),
[OPENING_CHANNEL]: state => ({ ...state, openingChannel: true }),
[OPENING_FAILURE]: state => ({ ...state, openingChannel: false }),
[CLOSING_CHANNEL]: state => ({ ...state, closingChannel: true }),
[UPDATE_SEARCH_QUERY]: (state, { searchQuery }) => ({ ...state, searchQuery }),
[SET_VIEW_TYPE]: (state, { viewType }) => ({ ...state, viewType }),
[TOGGLE_CHANNEL_PULLDOWN]: state => ({ ...state, filterPulldown: !state.filterPulldown }),
[CHANGE_CHANNEL_FILTER]: (state, { channelFilter }) => ({
...state,
filterPulldown: false,
filter: channelFilter
}),
[ADD_LOADING_PUBKEY]: (state, { pubkey }) => ({
...state,
loadingChannelPubkeys: [pubkey, ...state.loadingChannelPubkeys]
}),
[REMOVE_LOADING_PUBKEY]: (state, { pubkey }) => ({
...state,
loadingChannelPubkeys: state.loadingChannelPubkeys.filter(
loadingPubkey => loadingPubkey !== pubkey
)
}),
[ADD_ClOSING_CHAN_ID]: (state, { chanId }) => ({
...state,
closingChannelIds: [chanId, ...state.closingChannelIds]
}),
[REMOVE_ClOSING_CHAN_ID]: (state, { chanId }) => ({
...state,
closingChannelIds: state.closingChannelIds.filter(closingChanId => closingChanId !== chanId)
}),
[SET_SELECTED_CHANNEL]: (state, { selectedChannel }) => ({ ...state, selectedChannel }),
[GET_SUGGESTED_NODES]: state => ({ ...state, suggestedNodesLoading: true }),
[RECEIVE_SUGGESTED_NODES]: (state, { suggestedNodes }) => ({
...state,
suggestedNodesLoading: false,
suggestedNodes
}),
[RECEIVE_SUGGESTED_NODES_ERROR]: state => ({
...state,
suggestedNodesLoading: false,
suggestedNodes: {
mainnet: [],
testnet: []
}
})
}
const channelsSelectors = {}
const channelSelector = state => state.channels.channel
const channelsSelector = state => state.channels.channels
const pendingOpenChannelsSelector = state => state.channels.pendingChannels.pending_open_channels
const pendingClosedChannelsSelector = state =>
state.channels.pendingChannels.pending_closing_channels
const pendingWaitingCloseChannelsSelector = state =>
state.channels.pendingChannels.waiting_close_channels
const pendingForceClosedChannelsSelector = state =>
state.channels.pendingChannels.pending_force_closing_channels
const waitingCloseChannelsSelector = state => state.channels.pendingChannels.waiting_close_channels
const channelSearchQuerySelector = state => state.channels.searchQuery
const filtersSelector = state => state.channels.filters
const filterSelector = state => state.channels.filter
const nodesSelector = state => state.network.nodes
const channelMatchesQuery = (channel, nodes, searchQuery) => {
const node = nodes.find(n => channel.remote_pubkey === n.pub_key)
const query = searchQuery.toLowerCase()
const remoteNodePub = (channel.remote_node_pub || '').toLowerCase()
const remotePubkey = (channel.remote_pubkey || '').toLowerCase()
const displayName = (node ? node.alias : '' || '').toLowerCase()
return (
remoteNodePub.includes(query) || remotePubkey.includes(query) || displayName.includes(query)
)
}
channelsSelectors.channelModalOpen = createSelector(channelSelector, channel => !!channel)
channelsSelectors.activeChannels = createSelector(channelsSelector, openChannels =>
openChannels.filter(channel => channel.active)
)
channelsSelectors.activeChannelPubkeys = createSelector(channelsSelector, openChannels =>
openChannels.filter(channel => channel.active).map(c => c.remote_pubkey)
)
channelsSelectors.nonActiveChannels = createSelector(channelsSelector, openChannels =>
openChannels.filter(channel => !channel.active)
)
channelsSelectors.nonActiveChannelPubkeys = createSelector(channelsSelector, openChannels =>
openChannels.filter(channel => !channel.active).map(c => c.remote_pubkey)
)
channelsSelectors.pendingOpenChannels = pendingOpenChannelsSelector
channelsSelectors.pendingOpenChannelPubkeys = createSelector(
pendingOpenChannelsSelector,
pendingOpenChannels =>
pendingOpenChannels.map(pendingChannel => pendingChannel.channel.remote_node_pub)
)
channelsSelectors.closingPendingChannels = createSelector(
pendingClosedChannelsSelector,
pendingForceClosedChannelsSelector,
pendingWaitingCloseChannelsSelector,
(pendingClosedChannels, pendingForcedClosedChannels, pendingWaitingCloseChannels) => [
...pendingClosedChannels,
...pendingForcedClosedChannels,
...pendingWaitingCloseChannels
]
)
channelsSelectors.activeChanIds = createSelector(channelsSelector, channels =>
channels.map(channel => channel.chan_id)
)
channelsSelectors.nonActiveFilters = createSelector(
filtersSelector,
filterSelector,
(filters, channelFilter) => filters.filter(f => f.key !== channelFilter.key)
)
channelsSelectors.channelNodes = createSelector(
channelsSelector,
nodesSelector,
(channels, nodes) => {
const chanPubkeys = channels.map(channel => channel.remote_pubkey)
return nodes.filter(node => chanPubkeys.includes(node.pub_key))
}
)
const allChannels = createSelector(
channelsSelectors.activeChannels,
channelsSelectors.nonActiveChannels,
pendingOpenChannelsSelector,
pendingClosedChannelsSelector,
pendingForceClosedChannelsSelector,
waitingCloseChannelsSelector,
channelSearchQuerySelector,
nodesSelector,
(
activeChannels,
nonActiveChannels,
pendingOpenChannels,
pendingClosedChannels,
pendingForcedClosedChannels,
waitingCloseChannels,
searchQuery,
nodes
) => {
const filterChannel = channel =>
channelMatchesQuery(channel.channel || channel, nodes, searchQuery)
const filteredActiveChannels = activeChannels.filter(filterChannel)
const filteredNonActiveChannels = nonActiveChannels.filter(filterChannel)
const filterPendingChannel = channel =>
channelMatchesQuery(channel.channel || channel, nodes, searchQuery)
const filteredPendingOpenChannels = pendingOpenChannels.filter(filterPendingChannel)
const filteredPendingClosedChannels = pendingClosedChannels.filter(filterPendingChannel)
const filteredPendingForcedClosedChannels = pendingForcedClosedChannels.filter(
filterPendingChannel
)
const filteredWaitingCloseChannels = waitingCloseChannels.filter(filterPendingChannel)
return [
...filteredActiveChannels,
...filteredPendingOpenChannels,
...filteredPendingClosedChannels,
...filteredPendingForcedClosedChannels,
...filteredNonActiveChannels,
...filteredWaitingCloseChannels
]
}
)
export const currentChannels = createSelector(
allChannels,
channelsSelectors.activeChannels,
channelsSelectors.nonActiveChannels,
channelsSelector,
pendingOpenChannelsSelector,
channelsSelectors.closingPendingChannels,
filterSelector,
channelSearchQuerySelector,
nodesSelector,
(
allChannelsArr,
activeChannelsArr,
nonActiveChannelsArr,
openChannels,
pendingOpenChannels,
pendingClosedChannels,
channelFilter,
searchQuery,
nodes
) => {
// Helper function to deliver correct channel array based on filter
const filteredArray = filterKey => {
switch (filterKey) {
case 'ALL_CHANNELS':
return allChannelsArr
case 'ACTIVE_CHANNELS':
return activeChannelsArr
case 'NON_ACTIVE_CHANNELS':
return nonActiveChannelsArr
case 'OPEN_CHANNELS':
return openChannels
case 'OPEN_PENDING_CHANNELS':
return pendingOpenChannels
case 'CLOSING_PENDING_CHANNELS':
return pendingClosedChannels
default:
return []
}
}
const channelArray = filteredArray(channelFilter.key)
return channelArray.filter(channel =>
channelMatchesQuery(channel.channel || channel, nodes, searchQuery)
)
}
)
export { channelsSelectors }
// ------------------------------------
// Reducer
// ------------------------------------
const initialState = {
channelsLoading: false,
channels: [],
pendingChannels: {
total_limbo_balance: '',
pending_open_channels: [],
pending_closing_channels: [],
pending_force_closing_channels: [],
waiting_close_channels: []
},
channel: null,
channelForm: {
isOpen: false,
node_key: '',
local_amt: '',
push_amt: ''
},
openingChannel: false,
closingChannel: false,
searchQuery: '',
viewType: 0,
filterPulldown: false,
filter: { key: 'ALL_CHANNELS', name: 'All' },
filters: [
{ key: 'ALL_CHANNELS', name: 'All' },
{ key: 'ACTIVE_CHANNELS', name: 'Online' },
{ key: 'NON_ACTIVE_CHANNELS', name: 'Offline' },
{ key: 'OPEN_PENDING_CHANNELS', name: 'Pending' },
{ key: 'CLOSING_PENDING_CHANNELS', name: 'Closing' }
],
loadingChannelPubkeys: [],
closingChannelIds: [],
selectedChannel: null,
// nodes stored at zap.jackmallers.com/suggested-peers manages by JimmyMow
// we store this node list here and if the user doesnt have any channels
// we show them this list in case they wanna use our suggestions to connect
// to the network and get started
// **** Example ****
// {
// pubkey: "02212d3ec887188b284dbb7b2e6eb40629a6e14fb049673f22d2a0aa05f902090e",
// host: "testnet-lnd.yalls.org",
// nickname: "Yalls",
// description: "Top up prepaid mobile phones with bitcoin and altcoins in USA and around the world"
// }
// ****
suggestedNodes: {
mainnet: [],
testnet: []
},
suggestedNodesLoading: false
}
export default function channelsReducer(state = initialState, action) {
const handler = ACTION_HANDLERS[action.type]
return handler ? handler(state, action) : state
}