Proof-of-Concept: BLIP 42

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-lightningkmp = "1.11.0"
+lightningkmp = "1.10.9-SNAPSHOT"
 secp256k1 = "0.21.0" # keep in check with lightning-kmp secp version
 
 kotlin = "2.2.10"

phoenix-ios/phoenix-ios/Localizable.xcstrings

@@ -8086,6 +8086,9 @@
           }
         }
       }
+    },
+    "BLIP 42 (DEBUG build only)" : {
+
     },
     "Block height" : {
       "localizations" : {
@@ -11624,6 +11627,9 @@
           }
         }
       }
+    },
+    "contact secret" : {
+
     },
     "Contact support if needed." : {
       "localizations" : {
@@ -29316,6 +29322,9 @@
           }
         }
       }
+    },
+    "payer address" : {
+
     },
     "Payer key" : {
       "localizations" : {
@@ -29356,6 +29365,9 @@
           }
         }
       }
+    },
+    "payer offer" : {
+
     },
     "Payment" : {
       "localizations" : {
@@ -34205,6 +34217,9 @@
           }
         }
       }
+    },
+    "Secrets: (DEBUG build only)" : {
+
     },
     "Security" : {
       "extractionState" : "manual",

phoenix-ios/phoenix-ios/kotlin/KotlinExtensions+Lightning.swift

@@ -46,11 +46,7 @@ extension Lightning_kmpPaymentRequest {
 extension Lightning_kmpPeer {
 
 	var bootChannelsFlowValue: Dictionary<Bitcoin_kmpByteVector32, Lightning_kmpChannelState> {
-		if let value = self.bootChannelsFlow.value as? Dictionary<Bitcoin_kmpByteVector32, Lightning_kmpChannelState> {
-			return value
-		} else {
-			return [:]
-		}
+		return self.bootChannelsFlow.value ?? [:]
 	}
 }
 

phoenix-ios/phoenix-ios/kotlin/KotlinExtensions+Payments.swift

@@ -132,7 +132,7 @@ extension WalletPaymentInfo {
 		var msg: String? = nil
 
 		if let incomingOfferMetadata = payment.incomingOfferMetadata() {
-			msg = incomingOfferMetadata.payerNote
+			msg = incomingOfferMetadata.payerNote_
 
 		} else if let outgoingInvoiceRequest = payment.outgoingInvoiceRequest() {
 			msg = outgoingInvoiceRequest.payerNote
@@ -165,7 +165,24 @@ extension WalletPaymentInfo {
 
 	func addToContactsInfo() -> AddToContactsInfo? {
 
-		if payment is Lightning_kmpOutgoingPayment {
+		if let incoming = payment as? Lightning_kmpIncomingPayment {
+
+			if let metadata = payment.incomingOfferMetadata() {
+				if let rawSecret = metadata.contactSecret_ {
+					let offer = metadata.payerOffer_
+					let address = metadata.payerAddress_?.description()
+					if (offer != nil) || (address != nil) {
+						let secret = ContactSecret(
+							id: rawSecret,
+							incomingPaymentId: incoming.id,
+							createdAt: Date.now.toMilliseconds()
+						)
+						return AddToContactsInfo(offer: offer, address: address, secret: secret)
+					}
+				}
+			}
+
+		} else if payment is Lightning_kmpOutgoingPayment {
 
 			// First check for a lightning address.
 			// Remember that an outgoing payment might have both an address & offer (i.e. BIP-353).
@@ -177,12 +194,11 @@ extension WalletPaymentInfo {
 			// But that's a different feature. The user's perspective remains the same.
 			//
 			if let address = self.metadata.lightningAddress {
-				return AddToContactsInfo(offer: nil, address: address)
+				return AddToContactsInfo(offer: nil, address: address, secret: nil)
 			}
 
-			let invoiceRequest = payment.outgoingInvoiceRequest()
-			if let offer = invoiceRequest?.offer {
-				return AddToContactsInfo(offer: offer, address: nil)
+			if let offer = payment.outgoingInvoiceRequest()?.offer {
+				return AddToContactsInfo(offer: offer, address: nil, secret: nil)
 			}
 		}
 

phoenix-ios/phoenix-ios/kotlin/KotlinTypes.swift

@@ -21,6 +21,8 @@ typealias Lightning_kmpChannelManagementFees = Lightning_kmp_coreChannelManageme
 typealias Lightning_kmpChannelState = Lightning_kmp_coreChannelState
 typealias Lightning_kmpConnection = Lightning_kmp_coreConnection
 typealias Lightning_kmpClosing = Lightning_kmp_coreClosing
+typealias Lightning_kmpContactAddress = Lightning_kmp_coreContactAddress
+typealias Lightning_kmpContactSecrets = Lightning_kmp_coreContactSecrets
 typealias Lightning_kmpDatabases = Lightning_kmp_coreDatabases
 typealias Lightning_kmpElectrumClient = Lightning_kmp_coreElectrumClient
 typealias Lightning_kmpElectrumMiniWallet = Lightning_kmp_coreElectrumMiniWallet

phoenix-ios/phoenix-ios/views/contacts/AddToContactsInfo.swift

@@ -4,4 +4,5 @@ import PhoenixShared
 struct AddToContactsInfo: Hashable {
 	let offer: Lightning_kmpOfferTypesOffer?
 	let address: String?
+	let secret: ContactSecret?
 }

phoenix-ios/phoenix-ios/views/contacts/ManageContact.swift

@@ -98,6 +98,9 @@ struct ManageContact: View {
 	@State private var editAddress_text: String = ""
 	@State private var editAddress_invalidReason: InvalidReason? = nil
 
+	@State private var secrets: [ContactSecret]
+	@State private var secrets_hasChanges: Bool
+
 	enum FooterType: Int {
 		case expanded_standard = 1
 		case expanded_squeezed = 2
@@ -184,7 +187,6 @@ struct ManageContact: View {
 					hasNewOffer = true
 				}
 			}
-
 
 			self._offers = State(initialValue: rows)
 			self._offers_hasChanges = State(initialValue: (contact != nil && hasNewOffer))
@@ -214,11 +216,34 @@ struct ManageContact: View {
 					hasNewAddress = true
 				}
 			}
-
 
 			self._addresses = State(initialValue: rows)
 			self._addresses_hasChanges = State(initialValue: (contact != nil && hasNewAddress))
 		}
+		do {
+			var set = Set<Bitcoin_kmpByteVector32>()
+			var secrets = Array<ContactSecret>()
+
+			if let contact {
+				for secret in contact.secrets {
+					if !set.contains(secret.id) {
+						set.insert(secret.id)
+						secrets.append(secret)
+					}
+				}
+			}
+			var hasNewSecret = false
+			if let newSecret = info?.secret {
+				if !set.contains(newSecret.id) {
+					set.insert(newSecret.id)
+					secrets.append(newSecret)
+					hasNewSecret = true
+				}
+			}
+
+			self._secrets = State(initialValue: secrets)
+			self._secrets_hasChanges = State(initialValue: (contact != nil && hasNewSecret))
+		}
 	}
 
 	// --------------------------------------------------
@@ -397,6 +422,9 @@ struct ManageContact: View {
 				content_trusted()
 				content_offers()
 				content_addresses()
+			#if DEBUG
+				content_secrets()
+			#endif
 			} // </VStack>
 			.padding()
 		} // </ScrollView>
@@ -934,6 +962,67 @@ struct ManageContact: View {
 		.padding(.top, ROW_VERTICAL_SPACING)
 	}
 
+	@ViewBuilder
+	func content_secrets() -> some View {
+
+		VStack(alignment: HorizontalAlignment.leading, spacing: 0) {
+
+			HStack(alignment: VerticalAlignment.center, spacing: 0) {
+				Text("Secrets: (DEBUG build only)")
+				Spacer(minLength: 0)
+			} // </HStack>
+
+			VStack(alignment: HorizontalAlignment.leading, spacing: 0) {
+				ForEach(0 ..< secrets.count, id: \.self) { idx in
+					content_secret_row(idx)
+				} // </ForEach>
+			} // </VStack>
+
+			if secrets.isEmpty {
+				content_secret_emptyRow()
+			}
+
+		} // </VStack>
+		.padding(.bottom, 30)
+	}
+
+	@ViewBuilder
+	func content_secret_row(_ index: Int) -> some View {
+
+		let row: ContactSecret = secrets[index]
+
+		HStack(alignment: VerticalAlignment.firstTextBaseline, spacing: 0) {
+
+			bullet()
+
+			VStack(alignment: HorizontalAlignment.leading, spacing: 4) {
+				Text(row.id.toHex())
+					.foregroundStyle(Color.primary)
+				Text(verbatim: "incomingPaymentId: \( row.incomingPaymentId?.description() ?? "<nil>" )")
+					.foregroundStyle(Color.secondary)
+			}
+			.lineLimit(1)
+			.truncationMode(.middle)
+			.font(.callout)
+
+		}
+		.padding(.top, ROW_VERTICAL_SPACING)
+	}
+
+	@ViewBuilder
+	func content_secret_emptyRow() -> some View {
+
+		HStack(alignment: VerticalAlignment.firstTextBaseline, spacing: 0) {
+			bullet()
+			Text("none")
+				.lineLimit(1)
+				.foregroundStyle(Color.secondary)
+				.layoutPriority(-1)
+				.font(.callout)
+		}
+		.padding(.top, ROW_VERTICAL_SPACING)
+	}
+
 	@ViewBuilder
 	func bullet() -> some View {
 
@@ -1290,7 +1379,7 @@ struct ManageContact: View {
 		if doNotUseDiskImage {
 			return true
 		}
-		if offers_hasChanges || addresses_hasChanges {
+		if offers_hasChanges || addresses_hasChanges || secrets_hasChanges {
 			return true
 		}
 
@@ -1487,9 +1576,12 @@ struct ManageContact: View {
 					photoUri: newPhotoName,
 					useOfferKey: updatedUseOfferKey,
 					offers: offers.map { $0.raw },
-					addresses: addresses.map { $0.raw }
+					addresses: addresses.map { $0.raw },
+					secrets: secrets
 				)
 
+				log.debug("updatedContact.secrets.count: \(updatedContact.secrets.count)")
+
 				let contactsDb = try await Biz.business.databaseManager.contactsDb()
 
 				try await contactsDb.saveContact(contact: updatedContact)

phoenix-ios/phoenix-ios/views/inspect/Details/DetailsInfoGrid+CommonSections.swift

@@ -454,6 +454,88 @@ extension DetailsInfoGrid {
 		}
 	}
 
+	// --------------------------------------------------
+	// MARK: Section: BLIP 42
+	// --------------------------------------------------
+	#if DEBUG
+
+	@ViewBuilder
+	func section_blip42(
+		_ secret: Bitcoin_kmpByteVector32?,
+		_ offer: Lightning_kmpOfferTypesOffer?,
+		_ address: Lightning_kmp_coreUnverifiedContactAddress?
+	) -> some View {
+
+		InlineSection {
+			header("BLIP 42 (DEBUG build only)")
+		} content: {
+			blip42_contactSecret(secret)
+			blip42_offer(offer)
+			blip42_address(address)
+		}
+	}
+
+	@ViewBuilder
+	func blip42_contactSecret(
+		_ secret: Bitcoin_kmpByteVector32?
+	) -> some View {
+
+		detailsRow(
+			identifier: #function,
+			keyColumnTitle: "contact secret"
+		) {
+			if let str = secret?.toHex() {
+				Text(str)
+					.lineLimit(2)
+					.truncationMode(.middle)
+			} else {
+				Text(verbatim: "<null>")
+					.foregroundStyle(Color.secondary)
+			}
+		}
+	}
+
+	@ViewBuilder
+	func blip42_offer(
+		_ offer: Lightning_kmpOfferTypesOffer?
+	) -> some View {
+
+		detailsRow(
+			identifier: #function,
+			keyColumnTitle: "payer offer"
+		) {
+			if let str = offer?.encode() {
+				Text(str)
+					.lineLimit(2)
+					.truncationMode(.middle)
+			} else {
+				Text(verbatim: "<null>")
+					.foregroundStyle(Color.secondary)
+			}
+		}
+	}
+
+	@ViewBuilder
+	func blip42_address(
+		_ address: Lightning_kmp_coreUnverifiedContactAddress?
+	) -> some View {
+
+		detailsRow(
+			identifier: #function,
+			keyColumnTitle: "payer address"
+		) {
+			if let str = address?.description() {
+				Text(str)
+					.lineLimit(2)
+					.truncationMode(.middle)
+			} else {
+				Text(verbatim: "<null>")
+					.foregroundStyle(Color.secondary)
+			}
+		}
+	}
+
+	#endif
 	// --------------------------------------------------
 	// MARK: SubSection: Bolt11 Invoice
 	// --------------------------------------------------

phoenix-ios/phoenix-ios/views/inspect/Details/Details_Incoming_Bolt12.swift

@@ -43,6 +43,10 @@ struct Details_Incoming_Bolt12: DetailsInfoGrid {
 				section_timestamps()
 				section_incoming()
 				section_lightningParts(payment)
+			#if DEBUG
+				let metadata = payment.metadata
+				section_blip42(metadata.contactSecret_, metadata.payerOffer_, metadata.payerAddress_)
+			#endif
 			}
 		}
 		.background(Color.primaryBackground)