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Avoids sending an NWC filter when there are no keys subscribed to it

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Vitor Pamplona
2025-05-06 08:56:47 -04:00
parent 49c131a5cd
commit a05a465f69
1 changed files with 18 additions and 6 deletions
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24
amethyst/src/main/java/com/vitorpamplona/amethyst/service/relayClient/reqCommand/nwc/NWCPaymentFilterAssembler.kt
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@@ -37,25 +37,37 @@ class NWCPaymentQueryState(
class NWCPaymentFilterAssembler(
client: NostrClient,
) : QueryBasedSubscriptionOrchestrator<NWCPaymentQueryState>(client) {
fun createAccountMetadataFilter(keys: Set<NWCPaymentQueryState>): TypedFilter =
TypedFilter(
fun createAccountMetadataFilter(keys: Set<NWCPaymentQueryState>): TypedFilter? {
val fromAuthors = keys.mapTo(mutableSetOf()) { it.fromServiceHex }
val replyingToPayments = keys.mapTo(mutableSetOf()) { it.replyingToHex }
val aboutUsers = keys.mapTo(mutableSetOf()) { it.toUserHex }
if (fromAuthors.isEmpty()) return null
return TypedFilter(
types = setOf(FeedType.WALLET_CONNECT),
filter =
SincePerRelayFilter(
kinds = listOf(LnZapPaymentResponseEvent.KIND),
authors = keys.map { it.fromServiceHex },
authors = fromAuthors.toList(),
tags =
mapOf(
"e" to keys.map { it.replyingToHex },
"p" to keys.map { it.toUserHex },
"e" to replyingToPayments.toList(),
"p" to aboutUsers.toList(),
),
limit = 1,
),
)
}
val channel = requestNewSubscription()
override fun updateSubscriptions(keys: Set<NWCPaymentQueryState>) {
channel.typedFilters = listOf(createAccountMetadataFilter(keys))
val filter = createAccountMetadataFilter(keys)
if (filter != null) {
channel.typedFilters = listOf(filter)
} else {
channel.typedFilters = null
}
}
}