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zap: remove unnecessary main thread dispatches when zapping

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This commit is contained in:
William Casarin
2023-07-17 14:11:23 -07:00
parent 160b293359
commit fa520d48d3
1 changed files with 59 additions and 75 deletions
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20
damus/Components/ZapButton.swift
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@@ -183,39 +183,24 @@ func send_zap(damus_state: DamusState, target: ZapTarget, lnurl: String, is_cust
UIImpactFeedbackGenerator(style: .heavy).impactOccurred()
damus_state.add_zap(zap: .pending(pending_zap))
Task {
var mpayreq = damus_state.lnurls.lookup(target.pubkey)
if mpayreq == nil {
mpayreq = await fetch_static_payreq(lnurl)
}
guard let payreq = mpayreq else {
Task { @MainActor in
guard let payreq = await damus_state.lnurls.lookup_or_fetch(pubkey: target.pubkey, lnurl: lnurl) else {
// TODO: show error
DispatchQueue.main.async {
remove_zap(reqid: reqid, zapcache: damus_state.zaps, evcache: damus_state.events)
let typ = ZappingEventType.failed(.bad_lnurl)
let ev = ZappingEvent(is_custom: is_custom, type: typ, target: target)
notify(.zapping, ev)
}
return
}
DispatchQueue.main.async {
damus_state.lnurls.endpoints[target.pubkey] = payreq
}
guard let inv = await fetch_zap_invoice(payreq, zapreq: zapreq, msats: amount_msat, zap_type: zap_type, comment: comment) else {
DispatchQueue.main.async {
remove_zap(reqid: reqid, zapcache: damus_state.zaps, evcache: damus_state.events)
let typ = ZappingEventType.failed(.fetching_invoice)
let ev = ZappingEvent(is_custom: is_custom, type: typ, target: target)
notify(.zapping, ev)
}
return
}
DispatchQueue.main.async {
switch pending_zap_state {
case .nwc(let nwc_state):
// don't both continuing, user has canceled
@@ -268,7 +253,6 @@ func send_zap(damus_state: DamusState, target: ZapTarget, lnurl: String, is_cust
notify(.zapping, ev)
}
}
}
return
}