in src/main/java/org/openvasp/core/service/FundsProcessingService.java [90:100]
public LnurlResponse getLnurlResponse(String q, String tag) {
LnurlResponse response = new LnurlResponse();
response.setTag(tag);
VaspAccount account = entityManager.createQuery(
String.format("select a from VaspAccount a where a.lnurl.secret = '%s'", q),
VaspAccount.class).getSingleResult();
String assetType = account.getAssetsAddresses().keySet().iterator().next();
response.setAddress(account.getAssetAddress(assetType));
response.setAsset(assetType);
return response;
}