offers liquidity

.gitignore

@@ -22,3 +22,4 @@ app.nprofile
 admin.connect
 debug.txt
 proto/autogenerated/debug.txt
+.specstory

src/services/main/index.ts

@@ -75,7 +75,7 @@ export default class {
         this.applicationManager = new ApplicationManager(this.storage, this.settings, this.paymentManager)
         this.appUserManager = new AppUserManager(this.storage, this.settings, this.applicationManager)
         this.debitManager = new DebitManager(this.storage, this.lnd, this.applicationManager)
-        this.offerManager = new OfferManager(this.storage, this.lnd, this.applicationManager, this.productManager)
+        this.offerManager = new OfferManager(this.storage, this.lnd, this.applicationManager, this.productManager, this.liquidityManager)
         this.webRTC = new webRTC(this.storage, this.utils)
 
     }

src/services/main/offerManager.ts

@@ -17,6 +17,7 @@ import { UserOffer } from '../storage/entity/UserOffer.js';
 import { DeepPartial } from 'typeorm';
 import { nip19 } from 'nostr-tools';
 import { LoadNosrtSettingsFromEnv } from '../nostr/index.js';
+import { LiquidityManager } from "./liquidityManager.js"
 
 const mapToOfferConfig = (appUserId: string, offer: UserOffer, { pubkey, relay }: { pubkey: string, relay: string }): Types.OfferConfig => {
     if (offer.expected_data) {
@@ -50,12 +51,14 @@ export class OfferManager {
     productManager: ProductManager
     storage: Storage
     lnd: LND
+    liquidityManager: LiquidityManager
     logger = getLogger({ component: 'DebitManager' })
-    constructor(storage: Storage, lnd: LND, applicationManager: ApplicationManager, productManager: ProductManager) {
+    constructor(storage: Storage, lnd: LND, applicationManager: ApplicationManager, productManager: ProductManager, liquidityManager: LiquidityManager) {
         this.storage = storage
         this.lnd = lnd
         this.applicationManager = applicationManager
         this.productManager = productManager
+        this.liquidityManager = liquidityManager
     }
 
     attachNostrSend = (nostrSend: NostrSend) => {
@@ -219,14 +222,18 @@ export class OfferManager {
     async getNofferInvoice(offerReq: NofferData, appId: string): Promise<{ success: true, invoice: string } | { success: false, code: number, max: number }> {
         try {
             const { remote } = await this.lnd.ChannelBalance()
+            let maxSendable = remote
+            if (remote === 0 && (await this.liquidityManager.liquidityProvider.IsReady())) {
+                maxSendable = 10_000_000
+            }
             const split = offerReq.offer.split(':')
             if (split.length === 1) {
-                return this.HandleUserOffer(offerReq, appId, remote)
+                return this.HandleUserOffer(offerReq, appId, maxSendable)
             } else if (split[0] === 'p') {
                 const product = await this.productManager.NewProductInvoice(split[1])
                 return { success: true, invoice: product.invoice }
             } else {
-                return { success: false, code: 1, max: remote }
+                return { success: false, code: 1, max: maxSendable }
             }
         } catch (e: any) {
             getLogger({ component: "noffer" })(ERROR, e.message || e)

src/services/main/paymentManager.ts

@@ -497,10 +497,14 @@ export default class {
         const payK1 = await this.storage.paymentStorage.AddUserEphemeralKey(userId, 'pay', linkedApplication)
         const url = baseUrl ? baseUrl : `${this.settings.serviceUrl}/api/guest/lnurl_pay/handle`
         const { remote } = await this.lnd.ChannelBalance()
+        let maxSendable = remote * 1000
+        if (remote === 0 && (await this.liquidityManager.liquidityProvider.IsReady())) {
+            maxSendable = 10_000_000 * 1000
+        }
         return {
             tag: 'payRequest',
             callback: `${url}?k1=${payK1.key}`,
-            maxSendable: remote * 1000,
+            maxSendable: maxSendable,
             minSendable: 10000,
             metadata: metadata ? metadata : defaultLnurlPayMetadata(this.settings.lnurlMetaText),
             allowsNostr: !!linkedApplication.nostr_public_key,
@@ -517,10 +521,14 @@ export default class {
             throw new Error("invalid lnurl request")
         }
         const { remote } = await this.lnd.ChannelBalance()
+        let maxSendable = remote * 1000
+        if (remote === 0 && (await this.liquidityManager.liquidityProvider.IsReady())) {
+            maxSendable = 10_000_000 * 1000
+        }
         return {
             tag: 'payRequest',
             callback: `${this.settings.serviceUrl}/api/guest/lnurl_pay/handle?k1=${payInfoK1}`,
-            maxSendable: remote * 1000,
+            maxSendable: maxSendable,
             minSendable: 10000,
             metadata: defaultLnurlPayMetadata(this.settings.lnurlMetaText),
             allowsNostr: !!key.linkedApplication.nostr_public_key,