From 1208ddac83129d367e14d4011fac8ebf0176281b Mon Sep 17 00:00:00 2001
From: Dariusz Rybicki <dariusz@elixxir.io>
Date: Thu, 2 Jun 2022 23:03:05 +0200
Subject: [PATCH] Add ContactFactsSetter

---
 .../ElixxirDAppsSDK/ContactFactsSetter.swift  | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 Sources/ElixxirDAppsSDK/ContactFactsSetter.swift

diff --git a/Sources/ElixxirDAppsSDK/ContactFactsSetter.swift b/Sources/ElixxirDAppsSDK/ContactFactsSetter.swift
new file mode 100644
index 00000000..0fca1df3
--- /dev/null
+++ b/Sources/ElixxirDAppsSDK/ContactFactsSetter.swift
@@ -0,0 +1,32 @@
+import Bindings
+
+public struct ContactFactsSetter {
+  public var set: (Data, Data) throws -> Data
+
+  public func callAsFunction(contact: Data, facts: Data) throws -> Data {
+    try set(contact, facts)
+  }
+}
+
+extension ContactFactsSetter {
+  public static let live = ContactFactsSetter { contact, facts in
+    var error: NSError?
+    let updatedContact = BindingsSetFactsOnContact(contact, facts, &error)
+    if let error = error {
+      throw error
+    }
+    guard let updatedContact = updatedContact else {
+      fatalError("BindingsSetFactsOnContact returned `nil` without providing error")
+    }
+    return updatedContact
+  }
+}
+
+#if DEBUG
+extension ContactFactsSetter {
+  public static let failing = ContactFactsSetter { _, _ in
+    struct NotImplemented: Error {}
+    throw NotImplemented()
+  }
+}
+#endif
-- 
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