Add SignalAccount class.

// FREEBIE

src/Contacts/Contact.h

@@ -28,6 +28,7 @@ typedef NS_ENUM(NSUInteger, OWSPhoneNumberType) {
 @class CNContact;
 @class PhoneNumber;
 @class UIImage;
+@class SignalRecipient;
 
 @interface Contact : NSObject
 
@@ -47,6 +48,8 @@ typedef NS_ENUM(NSUInteger, OWSPhoneNumberType) {
 #endif // TARGET_OS_IOS
 
 - (BOOL)isSignalContact;
+- (NSArray<SignalRecipient *> *)signalRecipients;
+// TODO: Remove this method.
 - (NSArray<NSString *> *)textSecureIdentifiers;
 
 #if TARGET_OS_IOS

src/Contacts/Contact.m

@@ -202,6 +202,22 @@ NS_ASSUME_NONNULL_BEGIN
     return [identifiers count] > 0;
 }
 
+- (NSArray<SignalRecipient *> *)signalRecipients
+{
+    __block NSMutableArray *result = [NSMutableArray array];
+
+    [[TSStorageManager sharedManager].dbConnection readWithBlock:^(YapDatabaseReadTransaction *transaction) {
+        for (PhoneNumber *number in [self.parsedPhoneNumbers sortedArrayUsingSelector:@selector(compare:)]) {
+            SignalRecipient *signalRecipient =
+                [SignalRecipient recipientWithTextSecureIdentifier:number.toE164 withTransaction:transaction];
+            if (signalRecipient) {
+                [result addObject:signalRecipient];
+            }
+        }
+    }];
+    return [result copy];
+}
+
 - (NSArray<NSString *> *)textSecureIdentifiers {
     __block NSMutableArray *identifiers = [NSMutableArray array];
 

src/Contacts/PhoneNumber.h

@@ -50,4 +50,6 @@
 - (BOOL)isValid;
 - (BOOL)resolvesInternationallyTo:(PhoneNumber *)otherPhoneNumber;
 
+- (NSComparisonResult)compare:(PhoneNumber *)other;
+
 @end

src/Contacts/PhoneNumber.m

@@ -257,4 +257,9 @@ static NSString *const RPDefaultsKeyPhoneNumberCanonical = @"RPDefaultsKeyPhoneN
     return self;
 }
 
+- (NSComparisonResult)compare:(PhoneNumber *)other
+{
+    return [self.toE164 compare:other.toE164];
+}
+
 @end

src/TSConstants.h

@@ -1,6 +1,5 @@
-//
-//  Copyright (c) 2017 Open Whisper Systems. All rights reserved.
-//
+//  Created by Frederic Jacobs on 28/10/14.
+//  Copyright (c) 2014 Open Whisper Systems. All rights reserved.
 
 #import <Foundation/Foundation.h>
 @class TSNumberVerifier;
@@ -22,11 +21,11 @@ typedef enum { kSMSVerification, kPhoneNumberVerification } VerificationTranspor
 
 #define textSecureHTTPTimeOut 10
 
-//#define textSecureWebSocketAPI @"wss://textsecure-service.whispersystems.org/v1/websocket/"
-//#define textSecureServerURL @"https://textsecure-service.whispersystems.org/"
+#define textSecureWebSocketAPI @"wss://textsecure-service.whispersystems.org/v1/websocket/"
+#define textSecureServerURL @"https://textsecure-service.whispersystems.org/"
 
-#define textSecureWebSocketAPI @"wss://textsecure-service-staging.whispersystems.org/v1/websocket/"
-#define textSecureServerURL @"https://textsecure-service-staging.whispersystems.org/"
+//#define textSecureWebSocketAPI    @"wss://textsecure-service-staging.whispersystems.org/v1/websocket/"
+//#define textSecureServerURL       @"https://textsecure-service-staging.whispersystems.org/"
 
 #define textSecureGeneralAPI @"v1"
 #define textSecureAccountsAPI @"v1/accounts"