Return hash as string

Sources/XyoClient/BoundWitness/BoundWitnessBuilder.swift

@@ -42,21 +42,21 @@ public class BoundWitnessBuilder {
 
     public func payload<T: Payload>(_ schema: String, _ payload: T) throws -> BoundWitnessBuilder {
         _payloads.append(payload)
-        _payload_hashes.append(try payload.hash().toHex())
+        _payload_hashes.append(try payload.hash())
         _payload_schemas.append(schema)
         return self
     }
 
     public func payloads(_ payloads: [Payload]) throws -> BoundWitnessBuilder {
         _payloads.append(contentsOf: payloads)
         _payload_hashes.append(
-            contentsOf: try payloads.map { payload in try payload.hash().toHex() })
+            contentsOf: try payloads.map { payload in try payload.hash() })
         _payload_schemas.append(contentsOf: payloads.map { payload in payload.schema })
         return self
     }
 
     public func query(_ payload: Payload) throws -> BoundWitnessBuilder {
-        self._query = try payload.hash().toHex()
+        self._query = try payload.hash()
         let _ = try self.payload(payload.schema, payload)
         return self
     }

Sources/XyoClient/Payload/Payload.swift

@@ -20,7 +20,7 @@ extension Payload {
     ///     converted to a UTF-8 string after encoding.
     ///   - Any error thrown by the `sha256()` function if the hashing process fails.
     /// - Returns: A `Data` object containing the SHA-256 hash of the encoded instance.
-    public func hash() throws -> Data {
+    public func hash() throws -> String {
         let encoder = JSONEncoder()
         encoder.outputFormatting = .sortedKeys
 
@@ -38,11 +38,11 @@ extension Payload {
         let filteredData = try JSONSerialization.data(withJSONObject: filteredJSON, options: [.sortedKeys])
 
         // Convert the JSON data into a string
-        guard let jsonString = String(data: filteredData, encoding: .utf16) else {
+        guard let jsonString = String(data: filteredData, encoding: .utf8) else {
             throw BoundWitnessBuilderError.encodingError
         }
 
         // Hash the JSON string
-        return try jsonString.sha256()
+        return try jsonString.sha256().toHex()
     }
 }