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@litecoinfoundation/react-native-lndltc
Advanced tools
:warning: This is pre-alpha software. Please use at your own risk.
This library simplies React Native apps adding LNDltc integration.
npm i -s @litecoinfoundation/react-native-lndltc
#or
yarn add @litecoinfoundation/react-native-lndltc
cd ios && pod install && cd ../
open android/app/build.gradle
and add the below line to dependencies
implementation files("../../lightning/Lndmobile.aar")
import lnd, {
ENetworks,
LndConf,
ss_lnrpc
} from '@litecoinfoundation/react-native-lndltc';
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.stateService.subscribeToStateChanges(
(res: Result<ss_lnrpc.WalletState>) => {
if (res.isOk()) {
setLndState(res.value);
}
},
() => {
//Subscription has ended
},
);
//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 '@litecoinfoundation/react-native-lndltc/dist/utils/neutrino-cache';
lndCache.addStateListener(
(state: ICachedNeutrinoDBDownloadState) => {
setMessage(JSON.stringify(state));
},
);
await lndCache.downloadCache(ENetworks.testnet);
await startLnd();
FAQs
React Native library for Lightning Litecoin
We found that @litecoinfoundation/react-native-lndltc demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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