Merge pull request #381 from LN-Zap/feature/suggested-channels

Feature/suggested channels

app/api/index.js

@@ -24,3 +24,13 @@ export function requestBlockHeight() {
     .then(response => response.data)
     .catch(error => error)
 }
+
+export function requestSuggestedNodes() {
+  const BASE_URL = 'http://zap.jackmallers.com/suggested-peers'
+  return axios({
+    method: 'get',
+    url: BASE_URL
+  })
+    .then(response => response.data)
+    .catch(error => error)
+}

app/components/Contacts/Network.js

@@ -8,6 +8,7 @@ import plus from 'icons/plus.svg'
 import search from 'icons/search.svg'
 
 import Value from 'components/Value'
+import SuggestedNodes from './SuggestedNodes'
 
 import styles from './Network.scss'
 
@@ -48,9 +49,10 @@ class Network extends Component {
 
       setSelectedChannel,
 
-      closeChannel
+      closeChannel,
-    } = this.props
 
+      suggestedNodesProps
+    } = this.props
 
     const refreshClicked = () => {
       // turn the spinner on
@@ -139,6 +141,13 @@ class Network extends Component {
         </header>
 
         <div className={styles.channels}>
+          {
+            !loadingChannelPubkeys.length && !currentChannels.length &&
+            <SuggestedNodes {...suggestedNodesProps} />
+          }
+
+          {
+            (loadingChannelPubkeys.length > 0 || currentChannels.length) > 0 &&
             <header className={styles.listHeader}>
               <section>
                 <h2 onClick={toggleFilterPulldown} className={styles.filterTitle}>
@@ -154,7 +163,6 @@ class Network extends Component {
                   }
                 </ul>
               </section>
-
               <section className={styles.refreshContainer}>
                 <span className={styles.refresh} onClick={refreshClicked} ref={(ref) => { this.repeat = ref }}>
                   {
@@ -166,10 +174,11 @@ class Network extends Component {
                 </span>
               </section>
             </header>
+          }
 
           <ul className={filterPulldown && styles.fade}>
             {
-              loadingChannelPubkeys.map((loadingPubkey) => {
+              loadingChannelPubkeys.length > 0 && loadingChannelPubkeys.map((loadingPubkey) => {
                 // TODO(jimmymow): refactor this out. same logic is in displayNodeName above
                 const node = find(nodes, n => loadingPubkey === n.pub_key)
                 const nodeDisplay = () => {
@@ -264,7 +273,8 @@ class Network extends Component {
             }
           </ul>
         </div>
-
+        {
+          (loadingChannelPubkeys.length > 0 || currentChannels.length) > 0 &&
           <footer className={styles.search}>
             <label htmlFor='search' className={`${styles.label} ${styles.input}`}>
               <Isvg src={search} />
@@ -278,6 +288,7 @@ class Network extends Component {
               onChange={event => updateChannelSearchQuery(event.target.value)}
             />
           </footer>
+        }
       </div>
     )
   }
@@ -292,6 +303,7 @@ Network.propTypes = {
   balance: PropTypes.object.isRequired,
   currentTicker: PropTypes.object.isRequired,
   ticker: PropTypes.object.isRequired,
+  suggestedNodesProps: PropTypes.object.isRequired,
 
   fetchChannels: PropTypes.func.isRequired,
   openContactsForm: PropTypes.func.isRequired,

app/components/Contacts/SubmitChannelForm.js

@@ -38,7 +38,7 @@ class SubmitChannelForm extends React.Component {
 
     const formSubmitted = () => {
       // dont submit to LND if they havent set channel capacity amount
-      if (contactCapacity > 0) { return }
+      if (contactCapacity > 0) { console.log('hello?'); return }
 
       // submit the channel to LND
       openChannel({ pubkey: node.pub_key, host: node.addresses[0].addr, local_amt: contactCapacity })

app/components/Contacts/SubmitChannelForm.scss

@@ -1,6 +1,5 @@
 @import '../../variables.scss';
 
-
 .content {
   padding: 0 40px;
   font-family: Roboto;

app/components/Contacts/SuggestedNodes.js

@@ -0,0 +1,59 @@
+import React from 'react'
+import PropTypes from 'prop-types'
+import styles from './SuggestedNodes.scss'
+
+const SuggestedNodes = ({
+  suggestedNodesLoading,
+  suggestedNodes,
+  setNode,
+  openSubmitChannelForm
+}) => {
+  const nodeClicked = (n) => {
+    // set the node public key for the submit form
+    setNode({ pub_key: n.pubkey, addresses: [{ addr: n.host }] })
+    // open the submit form
+    openSubmitChannelForm()
+  }
+  if (suggestedNodesLoading) {
+    return (
+      <div className={styles.spinnerContainer}>
+        <span className={styles.loading}>
+          <i className={`${styles.spinner} ${styles.closing}`} />
+        </span>
+      </div>
+    )
+  }
+
+  return (
+    <div className={styles.container}>
+      <header>
+        {'Hmmm, looks like you don\'t have any channels yet. Here are some suggested nodes to open a channel with to get started'}
+      </header>
+
+      <ul className={styles.suggestedNodes}>
+        {
+          suggestedNodes.map(node => (
+            <li key={node.pubkey}>
+              <section>
+                <span>{node.nickname}</span>
+                <span>{`${node.pubkey.substring(0, 30)}...`}</span>
+              </section>
+              <section>
+                <span onClick={() => nodeClicked(node)}>Connect</span>
+              </section>
+            </li>
+          ))
+        }
+      </ul>
+    </div>
+  )
+}
+
+SuggestedNodes.propTypes = {
+  suggestedNodesLoading: PropTypes.bool.isRequired,
+  suggestedNodes: PropTypes.array.isRequired,
+  setNode: PropTypes.func.isRequired,
+  openSubmitChannelForm: PropTypes.func.isRequired
+}
+
+export default SuggestedNodes

app/components/Contacts/SuggestedNodes.scss

@@ -0,0 +1,94 @@
+@import '../../variables.scss';
+
+.container {
+  color: $white;
+  padding: 10px;
+
+  header {
+    font-size: 12px;
+    line-height: 16px;
+  }
+
+  .suggestedNodes {
+    margin-top: 30px;
+
+    li {
+      display: flex;
+      flex-direction: row;
+      justify-content: space-between;
+      margin: 10px 0;
+      padding: 10px 0;
+
+      section span {
+        font-size: 12px;
+      }
+
+      section:nth-child(1) {
+        span {
+          display: block;
+
+          &:nth-child(2) {
+            font-size: 10px;
+            margin-top: 5px;
+          }
+        }
+      }
+
+      section:nth-child(2) {
+        span {
+          font-size: 10px;
+          opacity: 0.5;
+          cursor: pointer;
+          transition: all 0.25s;
+
+          &:hover {
+            opacity: 1;
+          }
+        }
+      }
+    }
+  }
+}
+
+.spinnerContainer {
+  text-align: center;
+}
+
+.spinner {
+  height: 25px;
+  width: 25px;
+  border: 1px solid rgba(235, 184, 100, 0.1);
+  border-left-color: rgba(235, 184, 100, 0.4);
+  -webkit-border-radius: 999px;
+  -moz-border-radius: 999px;
+  border-radius: 999px;
+  -webkit-animation: animation-rotate 1000ms linear infinite;
+  -moz-animation: animation-rotate 1000ms linear infinite;
+  -o-animation: animation-rotate 1000ms linear infinite;
+  animation: animation-rotate 1000ms linear infinite;
+  display: inline-block;
+}
+
+@-webkit-keyframes animation-rotate {
+  100% {
+    -webkit-transform: rotate(360deg);
+  }
+}
+
+@-moz-keyframes animation-rotate {
+  100% {
+    -moz-transform: rotate(360deg);
+  }
+}
+
+@-o-keyframes animation-rotate {
+  100% {
+    -o-transform: rotate(360deg);
+  }
+}
+
+@keyframes animation-rotate {
+  100% {
+    transform: rotate(360deg);
+  }
+}

app/reducers/channels.js

@@ -3,6 +3,7 @@ import { ipcRenderer } from 'electron'
 import filter from 'lodash/filter'
 import { btc } from 'utils'
 import { showNotification } from 'notifications'
+import { requestSuggestedNodes } from '../api'
 import { setError } from './error'
 // ------------------------------------
 // Constants
@@ -40,6 +41,9 @@ export const CLOSE_CONTACT_MODAL = 'CLOSE_CONTACT_MODAL'
 
 export const SET_SELECTED_CHANNEL = 'SET_SELECTED_CHANNEL'
 
+export const GET_SUGGESTED_NODES = 'GET_SUGGESTED_NODES'
+export const RECEIVE_SUGGESTED_NODES = 'RECEIVE_SUGGESTED_NODES'
+
 // ------------------------------------
 // Actions
 // ------------------------------------
@@ -150,6 +154,26 @@ export function setSelectedChannel(selectedChannel) {
   }
 }
 
+export function getSuggestedNodes() {
+  return {
+    type: GET_SUGGESTED_NODES
+  }
+}
+
+export function receiveSuggestedNodes(suggestedNodes) {
+  return {
+    type: RECEIVE_SUGGESTED_NODES,
+    suggestedNodes
+  }
+}
+
+export const fetchSuggestedNodes = () => async (dispatch) => {
+  dispatch(getSuggestedNodes())
+  const suggestedNodes = await requestSuggestedNodes()
+
+  dispatch(receiveSuggestedNodes(suggestedNodes))
+}
+
 // Send IPC event for peers
 export const fetchChannels = () => async (dispatch) => {
   dispatch(getChannels())
@@ -344,7 +368,10 @@ const ACTION_HANDLERS = {
   [OPEN_CONTACT_MODAL]: (state, { channel }) => ({ ...state, contactModal: { isOpen: true, channel } }),
   [CLOSE_CONTACT_MODAL]: state => ({ ...state, contactModal: { isOpen: false, channel: null } }),
 
-  [SET_SELECTED_CHANNEL]: (state, { selectedChannel }) => ({ ...state, selectedChannel })
+  [SET_SELECTED_CHANNEL]: (state, { selectedChannel }) => ({ ...state, selectedChannel }),
+
+  [GET_SUGGESTED_NODES]: state => ({ ...state, suggestedNodesLoading: true }),
+  [RECEIVE_SUGGESTED_NODES]: (state, { suggestedNodes }) => ({ ...state, suggestedNodesLoading: false, suggestedNodes })
 }
 
 const channelsSelectors = {}
@@ -534,7 +561,25 @@ const initialState = {
     channel: null
   },
 
-  selectedChannel: null
+  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) {

app/routes/app/components/App.js

@@ -24,6 +24,7 @@ class App extends Component {
       fetchInfo,
       newAddress,
       fetchChannels,
+      fetchSuggestedNodes,
       fetchBalance,
       fetchDescribeNetwork
     } = this.props
@@ -36,6 +37,8 @@ class App extends Component {
     newAddress('np2wkh')
     // fetch nodes channels
     fetchChannels()
+    // fetch suggested nodes list from zap.jackmallers.com/suggested-peers
+    fetchSuggestedNodes()
     // fetch nodes balance
     fetchBalance()
     // fetch LN network from nides POV
@@ -126,6 +129,7 @@ App.propTypes = {
   fetchChannels: PropTypes.func.isRequired,
   fetchBalance: PropTypes.func.isRequired,
   fetchDescribeNetwork: PropTypes.func.isRequired,
+  fetchSuggestedNodes: PropTypes.func.isRequired,
 
   children: PropTypes.object.isRequired
 }

app/routes/app/containers/AppContainer.js

@@ -27,6 +27,7 @@ import { fetchBlockHeight, lndSelectors } from 'reducers/lnd'
 
 import {
   fetchChannels,
+  fetchSuggestedNodes,
   openChannel,
   closeChannel,
   channelsSelectors,
@@ -105,6 +106,7 @@ const mapDispatchToProps = {
   fetchBalance,
 
   fetchChannels,
+  fetchSuggestedNodes,
   openChannel,
   closeChannel,
   toggleFilterPulldown,
@@ -312,7 +314,15 @@ const mergeProps = (stateProps, dispatchProps, ownProps) => {
     changeFilter: dispatchProps.changeFilter,
     updateChannelSearchQuery: dispatchProps.updateChannelSearchQuery,
     setSelectedChannel: dispatchProps.setSelectedChannel,
-    closeChannel: dispatchProps.closeChannel
+    closeChannel: dispatchProps.closeChannel,
+
+    suggestedNodesProps: {
+      suggestedNodesLoading: stateProps.channels.suggestedNodesLoading,
+      suggestedNodes: stateProps.info.data.testnet ? stateProps.channels.suggestedNodes.testnet : stateProps.channels.suggestedNodes.mainnet,
+
+      setNode: dispatchProps.setNode,
+      openSubmitChannelForm: () => dispatchProps.setChannelFormType('SUBMIT_CHANNEL_FORM')
+    }
   }
 
   const contactsFormProps = {

test/reducers/__snapshots__/channels.spec.js.snap

@@ -54,6 +54,11 @@ Object {
   },
   "searchQuery": "",
   "selectedChannel": null,
+  "suggestedNodes": Object {
+    "mainnet": Array [],
+    "testnet": Array [],
+  },
+  "suggestedNodesLoading": false,
   "viewType": 0,
 }
 `;
@@ -112,6 +117,11 @@ Object {
   },
   "searchQuery": "",
   "selectedChannel": null,
+  "suggestedNodes": Object {
+    "mainnet": Array [],
+    "testnet": Array [],
+  },
+  "suggestedNodesLoading": false,
   "viewType": 0,
 }
 `;
@@ -171,6 +181,11 @@ Object {
   ],
   "searchQuery": "",
   "selectedChannel": null,
+  "suggestedNodes": Object {
+    "mainnet": Array [],
+    "testnet": Array [],
+  },
+  "suggestedNodesLoading": false,
   "viewType": 0,
 }
 `;
@@ -229,6 +244,11 @@ Object {
   },
   "searchQuery": "",
   "selectedChannel": null,
+  "suggestedNodes": Object {
+    "mainnet": Array [],
+    "testnet": Array [],
+  },
+  "suggestedNodesLoading": false,
   "viewType": 0,
 }
 `;
@@ -287,6 +307,11 @@ Object {
   },
   "searchQuery": "",
   "selectedChannel": null,
+  "suggestedNodes": Object {
+    "mainnet": Array [],
+    "testnet": Array [],
+  },
+  "suggestedNodesLoading": false,
   "viewType": 0,
 }
 `;