Kieran/zap-stream-api
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Optionally check amount tag

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Kieran
2024-03-22 10:46:18 +00:00
parent 7baffb93b1
commit 211c6b9469
1 changed files with 6 additions and 3 deletions
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7
NostrStreamer/Controllers/LnurlController.cs
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@ -47,7 +47,8 @@ public class LnurlController : Controller
} }
[HttpGet("{key}")] [HttpGet("{key}")]
public async Task<IActionResult> PayUserBalance([FromRoute] string key, [FromQuery] ulong amount, [FromQuery] string? nostr) public async Task<IActionResult> PayUserBalance([FromRoute] string key, [FromQuery] ulong amount,
[FromQuery] string? nostr)
{ {
try try
{ {
@ -58,7 +59,9 @@ public class LnurlController : Controller
if (!string.IsNullOrEmpty(nostr)) if (!string.IsNullOrEmpty(nostr))
{ {
var ev = JsonConvert.DeserializeObject<NostrEvent>(nostr, NostrSerializer.Settings); var ev = JsonConvert.DeserializeObject<NostrEvent>(nostr, NostrSerializer.Settings);
if (ev?.Kind != NostrKind.ZapRequest || ev.Tags?.FindFirstTagValue("amount") != amount.ToString() || var amountTag = ev?.Tags?.FindFirstTagValue("amount");
if (ev?.Kind != NostrKind.ZapRequest ||
(amountTag != default && amountTag != amount.ToString()) ||
!ev.IsSignatureValid()) !ev.IsSignatureValid())
{ {
throw new Exception("Invalid nostr event"); throw new Exception("Invalid nostr event");