77 lines
2.5 KiB
Swift
77 lines
2.5 KiB
Swift
//
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// LightningStateMonitor.swift
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// wallet
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//
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// Created by Jason van den Berg on 2020/08/18.
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// Copyright © 2020 Jason. All rights reserved.
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//
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import Foundation
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class LightningMonitorState {
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var lndRunning = false { didSet { onUpdate() } }
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var rpcReady = false { didSet { onUpdate() } }
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var walletUnlocked = false { didSet { onUpdate() } }
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var walletInfo = Lnrpc_GetInfoResponse() { didSet { onUpdate() } }
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var debuggingStatus: [String] {
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var entries: [String] = []
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entries.append("LND running: \(lndRunning ? "✅" : "❌")")
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entries.append("RPC ready: \(rpcReady ? "✅" : "❌")")
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entries.append("Wallet unlocked: \(walletUnlocked ? "✅" : "❌")")
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if walletUnlocked {
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entries.append("Synced to chain: \(walletInfo.syncedToChain ? "✅" : "❌")")
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entries.append("Block height: \(walletInfo.blockHeight)")
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entries.append("Peers: \(walletInfo.numPeers)")
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}
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return entries
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}
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//ALlow other components to subscribe to state changes from one place
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private func onUpdate() {
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EventBus.postToMainThread(.lndStateChange, sender: self)
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}
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}
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class LightningStateMonitor {
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public static let shared = LightningStateMonitor()
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var state = LightningMonitorState()
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private init() {
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EventBus.onMainThread(self, eventType: .lndStarted) { [weak self] (_) in
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self?.state.lndRunning = true
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}
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EventBus.onMainThread(self, eventType: .lndStopped) { [weak self] (_) in
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self?.state.lndRunning = false
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self?.state.walletUnlocked = false
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self?.state.rpcReady = false
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}
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EventBus.onMainThread(self, eventType: .lndRpcReady) { [weak self] (_) in
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self?.state.rpcReady = true
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}
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EventBus.onMainThread(self, eventType: .lndWalletUnlocked) { [weak self] (_) in
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self?.state.walletUnlocked = true
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}
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//TODO find better way to subscribe to LND events than this
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_ = Timer.scheduledTimer(timeInterval: 1, target: self, selector: #selector(updateInfo), userInfo: nil, repeats: true)
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}
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@objc private func updateInfo() {
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Lightning.shared.info { [weak self] (response, error) in
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guard let self = self else { return }
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guard error == nil else {
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return self.state.walletInfo = .init()
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}
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self.state.walletInfo = response
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}
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}
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}
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