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@synonymdev/react-native-lightning
Advanced tools
:warning: This is pre-alpha software. Please use as your own risk.
This library hopes to simplify the process of adding Lightning via LND's Neutrino to any React-Native app.
yarn add @synonymdev/react-native-lightning
#or
npm i -s @synonymdev/react-native-lightning
cd ios && pod install && cd ../
open android/app/build.gradle
and add the below line to dependencies
implementation files("../../node_modules/@synonymdev/react-native-lightning/android/libs/Lndmobile.aar")
#Build dist files
git clone https://github.com/synonymdev/react-native-lightning.git
yarn install && yarn build
cd example/
yarn install
yarn ios
#or
yarn android
import lnd, {
ENetworks,
LndConf,
TCurrentLndState,
} from '@synonymdev/react-native-lightning';
const lndConf = new LndConf(ENetworks.regtest);
const res = await lnd.start(lndConf);
if (res.isErr()) {
//Lnd failed to start
console.error(res.error)
}
//LND state changes
lnd.subscribeToCurrentState(({lndRunning, walletUnlocked, grpcReady}) => {
console.log(`lndRunning: ${lndRunning}`);
console.log(`walletUnlocked: ${walletUnlocked}`);
console.log(`grpcReady: ${grpcReady}`);
});
//Subscribe to LND logs
const logListener = lnd.addLogListener((message) => {
console.log(message);
});
//Unsubscribe if listening component is unmounted
lnd.removeLogListener(logListener);
//All function results can be checked with res.isOk() or res.isErr()
const res = await lnd.getInfo();
if (res.isErr()) {
console.log(res.error.message);
}
if (res.isOk()) {
console.log(res.value);
}
//Use subscribeToOnChainTransactions/subscribeToInvoices for real time transaction updates
lnd.subscribeToOnChainTransactions(
(res) => {
if (res.isOk()) {
const { amount, blockHeight, numConfirmations } = res.value;
alert(`Received ${amount} sats on chain in block ${blockHeight}`)
}
},
(res) => {
//If this fails ever then we need to subscribe again
console.error(res);
},
);
Initial neutrino sync times can take a while for first time users. This is a trusted setup that allows the app to download a cached pre-synced archive of the neutrino headers. This speeds up the time it takes for LND to become usable as syncing doesn't need to start from scratch.
#Add these dependencies to your app
yarn add react-native-fs react-native-zip-archive
#or
npm i react-native-fs react-native-zip-archive -S
cd ios && pod install && cd ../
Using it:
import lndCache from '@synonymdev/react-native-lightning/dist/utils/neutrino-cache';
lndCache.addStateListener(
(state: ICachedNeutrinoDBDownloadState) => {
setMessage(JSON.stringify(state));
},
);
await lndCache.downloadCache(ENetworks.testnet);
await startLnd();
FAQs
React Native wrapper for Lndmobile
The npm package @synonymdev/react-native-lightning receives a total of 4 weekly downloads. As such, @synonymdev/react-native-lightning popularity was classified as not popular.
We found that @synonymdev/react-native-lightning demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
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