Merge pull request #20 from synonymdev/psbt

PSBT channel funding support

Author: coreyphillips

example/App.tsx

@@ -10,7 +10,6 @@
 
 import React, {useEffect, useState} from 'react';
 import {
-  Alert,
   Button,
   SafeAreaView,
   ScrollView,
@@ -22,9 +21,12 @@ import Clipboard from '@react-native-clipboard/clipboard';
 import lnd, {
   ENetworks,
   LndConf,
-  lnrpc,
   TCurrentLndState,
-} from 'react-native-lightning';
+} from '@synonymdev/react-native-lightning';
+
+import {emoji} from './src/helpers';
+import PSBT from './src/PSBT';
+import Options from './src/Options';
 
 declare const global: {HermesInternal: null | {}};
 
@@ -33,6 +35,8 @@ const testNodePubkey =
   '034ecfd567a64f06742ac300a2985676abc0b1dc6345904a08bb52d5418e685f79';
 const testNodeAddress = '35.240.72.95:9735';
 
+const network = ENetworks.testnet;
+
 const App = () => {
   const [message, setMessage] = useState('');
   const [lndState, setLndState] = useState<TCurrentLndState>({
@@ -44,11 +48,9 @@ const App = () => {
   const [walletExists, setWalletExists] = useState(false);
   const [seed, setSeed] = useState<string[]>([]);
 
-  const emoji = (s: boolean) => (s ? '✅' : '❌');
-
   useEffect(() => {
     (async () => {
-      const walletExistsRes = await lnd.walletExists(ENetworks.testnet);
+      const walletExistsRes = await lnd.walletExists(network);
       if (walletExistsRes.isOk()) {
         setWalletExists(walletExistsRes.value);
       }
@@ -80,8 +82,8 @@ const App = () => {
             return console.error(res.error);
           }
 
-          const backupBytes = res.value.multiChanBackup.multiChanBackup;
-          console.log(`Backup required (${backupBytes.length} bytes)`);
+          const backupBytes = res.value.multiChanBackup?.multiChanBackup;
+          console.log(`Backup required (${backupBytes?.length} bytes)`);
         },
         () => {},
       );
@@ -133,7 +135,7 @@ const App = () => {
                 setMessage('Starting LND...');
 
                 const customFields = {};
-                const lndConf = new LndConf(ENetworks.testnet, customFields);
+                const lndConf = new LndConf(network, customFields);
                 const res = await lnd.start(lndConf);
 
                 if (res.isErr()) {
@@ -201,236 +203,11 @@ const App = () => {
 
           {lndState.grpcReady ? (
             <>
-              <Button
-                title={'Get info'}
-                onPress={async () => {
-                  const res = await lnd.getInfo();
-
-                  if (res.isErr()) {
-                    console.error(res.error);
-                    return;
-                  }
-
-                  const {
-                    identityPubkey,
-                    syncedToChain,
-                    blockHeight,
-                    numPeers,
-                    numActiveChannels,
-                    version,
-                    alias,
-                  } = res.value;
-                  let info = `Pubkey: ${identityPubkey}\n\n`;
-                  info += `Alias: ${alias}\n\n`;
-                  info += `Synced: ${emoji(syncedToChain)}\n\n`;
-                  info += `BlockHeight: ${blockHeight}\n\n`;
-                  info += `NumPeers: ${numPeers}\n\n`;
-                  info += `NumActiveChannels: ${numActiveChannels}\n\n`;
-                  info += `Version: ${version}`;
-
-                  setMessage(info);
-                }}
-              />
-              <Button
-                title={'Get on chain balance'}
-                onPress={async () => {
-                  const res = await lnd.getWalletBalance();
-
-                  if (res.isErr()) {
-                    console.error(res.error);
-                    return;
-                  }
-
-                  setMessage(
-                    `Total balance: ${res.value.totalBalance}\nConfirmed balance: ${res.value.confirmedBalance}\nUnconfirmed balance: ${res.value.unconfirmedBalance}\n`,
-                  );
-                }}
-              />
-              <Button
-                title={'Get channel balance'}
-                onPress={async () => {
-                  const res = await lnd.getChannelBalance();
-
-                  if (res.isErr()) {
-                    console.error(res.error);
-                    return;
-                  }
-
-                  setMessage(
-                    `Pending open balance: ${res.value.pendingOpenBalance}\nLocal balance: ${res.value.localBalance?.sat}\nRemote balance: ${res.value?.remoteBalance.sat}\n`,
-                  );
-                }}
-              />
-              <Button
-                title={'Copy address to clipboard'}
-                onPress={async () => {
-                  const res = await lnd.getAddress();
-
-                  if (res.isErr()) {
-                    console.error(res.error);
-                    return;
-                  }
-
-                  Clipboard.setString(res.value.address);
-                  setMessage(`Copied: ${res.value.address}`);
-                }}
-              />
-              <Button
-                title={'Open channel'}
-                onPress={async () => {
-                  setMessage('Connecting to peer...');
-
-                  const connectRes = await lnd.connectPeer(
-                    testNodePubkey,
-                    testNodeAddress,
-                  );
-
-                  if (
-                    connectRes.isErr() &&
-                    connectRes.error.message.indexOf(
-                      'already connected to peer',
-                    ) < 0
-                  ) {
-                    console.error(connectRes.error);
-                    return;
-                  }
-
-                  setMessage('Opening channel...');
-
-                  const balanceRes = await lnd.getWalletBalance();
-                  if (balanceRes.isErr()) {
-                    setMessage(balanceRes.error.message);
-                    return;
-                  }
-
-                  let value = Number(balanceRes.value.confirmedBalance);
-                  const maxChannel = 0.16 * 100000000;
-                  if (value > maxChannel) {
-                    value = maxChannel;
-                  }
-
-                  value -= 50000;
-
-                  setMessage('Opening channel...');
-
-                  const openRes = await lnd.openChannel(value, testNodePubkey);
-                  if (openRes.isErr()) {
-                    setMessage(openRes.error.message);
-                    return;
-                  }
-                }}
-              />
-
-              <Button
-                title={'List channels'}
-                onPress={async () => {
-                  const res = await lnd.listChannels();
-
-                  if (res.isErr()) {
-                    console.error(res.error);
-                    return;
-                  }
-
-                  let list = '';
-                  res.value.channels.forEach((channel: lnrpc.IChannel) => {
-                    list += `Remote pubkey: ${channel.remotePubkey}\n`;
-                    list += `Capacity: ${channel.capacity}\n`;
-                    list += `Local balance: ${channel.localBalance}\n`;
-                    list += `Remote balance: ${channel.remoteBalance}\n`;
-                    list += `Active: ${emoji(channel.active || false)}\n`;
-
-                    list += '\n\n';
-                  });
-
-                  setMessage(list || 'No channels');
-                }}
-              />
-
-              <Button
-                title={'Paste invoice from clipboard'}
-                onPress={async () => {
-                  const invoice = await Clipboard.getString();
-                  if (!invoice) {
-                    setMessage('Clipboard empty');
-                  }
-
-                  const decodeRes = await lnd.decodeInvoice(invoice);
-
-                  if (decodeRes.isErr()) {
-                    setMessage(decodeRes.error.message);
-                    return;
-                  }
-
-                  const {numSatoshis, description} = decodeRes.value;
-
-                  Alert.alert(
-                    `Pay ${numSatoshis} sats?`,
-                    description,
-                    [
-                      {
-                        text: 'Cancel',
-                        onPress: (): void => {},
-                        style: 'cancel',
-                      },
-                      {
-                        text: 'Pay',
-                        onPress: async (): Promise<void> => {
-                          setMessage('Paying...');
-                          const payRes = await lnd.payInvoice(invoice);
-                          if (payRes.isErr()) {
-                            setMessage(payRes.error.message);
-                            return;
-                          }
-
-                          setMessage(payRes.value.paymentError || 'Paid');
-                        },
-                      },
-                    ],
-                    {cancelable: true},
-                  );
-                }}
-              />
-
-              <Button
-                title={'Create invoice and copy to clipboard'}
-                onPress={async () => {
-                  const res = await lnd.createInvoice(
-                    5000,
-                    `Test invoice ${new Date().getTime()}`,
-                  );
-
-                  if (res.isErr()) {
-                    console.error(res.error);
-                    return;
-                  }
-
-                  Clipboard.setString(res.value.paymentRequest);
-                  setMessage(res.value.paymentRequest);
-                }}
-              />
-
-              <Button
-                title={'Export backup and verify it'}
-                onPress={async () => {
-                  const res = await lnd.exportAllChannelBackups();
-
-                  if (res.isErr()) {
-                    console.error(res.error);
-                    return;
-                  }
-
-                  const verifyRes = await lnd.verifyMultiChannelBackup(
-                    res.value.multiChanBackup.multiChanBackup,
-                  );
-
-                  if (verifyRes.isErr()) {
-                    setMessage(verifyRes.error.message);
-                    return;
-                  }
-
-                  setMessage(`Backup verification: ${emoji(verifyRes.value)}`);
-                }}
+              <Options
+                nodePubKey={testNodePubkey}
+                nodeAddress={testNodeAddress}
               />
+              <PSBT nodePubKey={testNodePubkey} />
             </>
           ) : null}
         </ScrollView>

example/android/app/build.gradle

@@ -208,7 +208,7 @@ dependencies {
         implementation jscFlavor
     }
 
-    implementation files("../../node_modules/react-native-lightning/android/libs/Lndmobile.aar")
+    implementation files("../../node_modules/@synonymdev/react-native-lightning/android/libs/Lndmobile.aar")
 
 }
 

example/ios/Podfile

@@ -17,10 +17,10 @@ target 'example' do
   #
   # Note that if you have use_frameworks! enabled, Flipper will not work and
   # you should disable these next few lines.
-  use_flipper!
-  post_install do |installer|
-    flipper_post_install(installer)
-  end
+  # use_flipper!
+  # post_install do |installer|
+  #   flipper_post_install(installer)
+  # end
 end
 
 target 'example-tvOS' do