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Merge pull request #76 from relaystr/lnurl-zaps
nip-57 Zaps
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@@ -48,7 +48,7 @@ android { | |
| } | ||
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| defaultConfig { | ||
| minSdkVersion 23 | ||
| minSdkVersion 21 | ||
| } | ||
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| dependencies { | ||
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| # running the examples | ||
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| For zapping example `zap.dart` you need a `nostr+walletconnect://...` uri from your NWC wallet service provider. | ||
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| see https://github.com/getAlby/awesome-nwc for more info how to get a wallet supporting NWC | ||
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| `NWC_URI=nostr+walletconnect://.... dart zap.dart` | ||
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| for more logging | ||
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| `NWC_URI=nostr+walletconnect://.... dart --enable-asserts zap.dart` |
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| // ignore_for_file: avoid_print | ||
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| import 'package:ndk/ndk.dart'; | ||
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| void main() async { | ||
| final ndk = Ndk.defaultConfig(); | ||
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| print("fetching zap receipts for single event "); | ||
| final receipts = await ndk.zaps.fetchZappedReceipts( | ||
| pubKey: | ||
| "787338757fc25d65cd929394d5e7713cf43638e8d259e8dcf5c73b834eb851f2", | ||
| eventId: | ||
| "906a0c5920b59e5754d0df5164bfea2a8d48ce5d73beaa1e854b3e6725e3288a").toList(); | ||
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| // Sort eventReceipts by amountSats in descending order | ||
| receipts | ||
| .sort((a, b) => (b.amountSats ?? 0).compareTo(a.amountSats ?? 0)); | ||
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| int eventSum = 0; | ||
| for (var receipt in receipts) { | ||
| String? sender; | ||
| if (receipt.sender!=null) { | ||
| Metadata? metadata = await ndk.metadata.loadMetadata(receipt.sender!); | ||
| sender = metadata?.name; | ||
| } | ||
| print("${sender!=null?"from ${sender} ":""} ${receipt.amountSats} sats ${receipt.comment}"); | ||
| eventSum += receipt.amountSats ?? 0; | ||
| } | ||
| print("${receipts.length} receipts, total of $eventSum sats"); | ||
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| await ndk.destroy(); | ||
| } |
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| // ignore_for_file: avoid_print | ||
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| import 'package:ndk/ndk.dart'; | ||
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| void main() async { | ||
| final ndk = Ndk.defaultConfig(); | ||
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| print("fetching zap receipts for profile "); | ||
| final profileReceipts = await ndk.zaps.fetchZappedReceipts( | ||
| pubKey: "30782a8323b7c98b172c5a2af7206bb8283c655be6ddce11133611a03d5f1177", | ||
| ).toList(); | ||
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| // Sort profileReceipts by amountSats in descending order | ||
| profileReceipts | ||
| .sort((a, b) => (b.amountSats ?? 0).compareTo(a.amountSats ?? 0)); | ||
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| int profileSum = 0; | ||
| for (var receipt in profileReceipts) { | ||
| String? sender; | ||
| if (receipt.sender!=null) { | ||
| Metadata? metadata = await ndk.metadata.loadMetadata(receipt.sender!); | ||
| sender = metadata?.name; | ||
| } | ||
| print("${sender!=null?"from ${sender} ":""} ${receipt.amountSats} sats ${receipt.comment}"); | ||
| profileSum += receipt.amountSats ?? 0; | ||
| } | ||
| print("${profileReceipts.length} receipts, total of $profileSum sats"); | ||
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| await ndk.destroy(); | ||
| } |
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| // ignore_for_file: avoid_print | ||
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| import 'dart:io'; | ||
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| import 'package:ndk/domain_layer/usecases/zaps/zap_receipt.dart'; | ||
| import 'package:ndk/domain_layer/usecases/zaps/zaps.dart'; | ||
| import 'package:ndk/ndk.dart'; | ||
| import 'package:ndk/shared/nips/nip01/bip340.dart'; | ||
| import 'package:ndk/shared/nips/nip01/key_pair.dart'; | ||
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| void main() async { | ||
| // We use an empty bootstrap relay list, | ||
| // since NWC will provide the relay we connect to so we don't need default relays | ||
| final ndk = Ndk(NdkConfig( | ||
| eventVerifier: Bip340EventVerifier(), | ||
| cache: MemCacheManager(), | ||
| logLevel: Logger.logLevels.trace)); | ||
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| // You need an NWC_URI env var or to replace with your NWC uri connection | ||
| final nwcUri = Platform.environment['NWC_URI']!; | ||
| final connection = await ndk.nwc.connect(nwcUri); | ||
| KeyPair key = Bip340.generatePrivateKey(); | ||
| final amount = 21; | ||
| final lnurl = "opensats@vlt.ge"; | ||
| final comment = "enjoy this zap from NDK"; | ||
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| ZapResponse response = await ndk.zaps.zap( | ||
| nwcConnection: connection, | ||
| lnurl: lnurl, | ||
| comment: comment, | ||
| amountSats: amount, | ||
| fetchZapReceipt: true, | ||
| signer: Bip340EventSigner(privateKey: key.privateKey, publicKey: key.publicKey), | ||
| relays: ["wss://relay.damus.io"], | ||
| pubKey: "787338757fc25d65cd929394d5e7713cf43638e8d259e8dcf5c73b834eb851f2", | ||
| eventId: "906a0c5920b59e5754d0df5164bfea2a8d48ce5d73beaa1e854b3e6725e3288a" | ||
| ); | ||
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| if (response.payInvoiceResponse!=null && response.payInvoiceResponse!.preimage.isNotEmpty) { | ||
| print("Payed $amount to $lnurl, preimage = ${response.payInvoiceResponse! | ||
| .preimage}"); | ||
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| print("Waiting for Zap Receipt..."); | ||
| ZapReceipt? receipt = await response.zapReceipt; | ||
| if (receipt!=null) { | ||
| print("Receipt : $receipt"); | ||
| } else { | ||
| print("No Receipt"); | ||
| } | ||
| } | ||
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| await ndk.destroy(); | ||
| } |
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36 changes: 36 additions & 0 deletions
36
packages/ndk/lib/data_layer/repositories/lnurl_http_impl.dart
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| import 'package:ndk/domain_layer/repositories/lnurl_transport.dart'; | ||
| import 'package:ndk/domain_layer/usecases/lnurl/lnurl_response.dart'; | ||
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| import '../../domain_layer/repositories/nip_05_repo.dart'; | ||
| import '../../shared/logger/logger.dart'; | ||
| import '../data_sources/http_request.dart'; | ||
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| /// implementation of the [Nip05Repository] interface with http | ||
| class LnurlTransportHttpImpl implements LnurlTransport { | ||
| final HttpRequestDS httpDS; | ||
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| /// constructor | ||
| LnurlTransportHttpImpl(this.httpDS); | ||
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| @override | ||
| Future<LnurlResponse?> requestLnurlResponse(String lnurl) async { | ||
| try { | ||
| final response = await httpDS.jsonRequest(lnurl); | ||
| return LnurlResponse.fromJson(response); | ||
| } catch (e) { | ||
| Logger.log.w(e); | ||
| return null; | ||
| } | ||
| } | ||
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| @override | ||
| Future<Map<String,dynamic>?> fetchInvoice(String callbacklink) async { | ||
| try { | ||
| return await httpDS.jsonRequest(callbacklink); | ||
| } catch (e) { | ||
| Logger.log.d(e); | ||
| return null; | ||
| } | ||
| } | ||
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| } |
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11 changes: 11 additions & 0 deletions
11
packages/ndk/lib/domain_layer/repositories/lnurl_transport.dart
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| Original file line number | Diff line number | Diff line change |
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| import 'package:ndk/domain_layer/usecases/lnurl/lnurl_response.dart'; | ||
| import 'package:ndk/ndk.dart'; | ||
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| /// transport to get the lnurl response | ||
| abstract class LnurlTransport { | ||
| /// network request to get theLnurl response and invoices | ||
| Future<LnurlResponse?> requestLnurlResponse(String lnurl); | ||
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| /// fetch an invoice from lnurl callback endpoint | ||
| Future<Map<String,dynamic>?> fetchInvoice(String callbacklink); | ||
| } |
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