libsignal/swift/Sources/SignalClient/state/SenderKeyRecord.swift

//
// Copyright 2020-2021 Signal Messenger, LLC.
// SPDX-License-Identifier: AGPL-3.0-only
//

import SignalFfi
import Foundation

public class SenderKeyRecord: ClonableHandleOwner {
    internal override class func destroyNativeHandle(_ handle: OpaquePointer) -> SignalFfiErrorRef? {
        return signal_sender_key_record_destroy(handle)
    }

    internal override class func cloneNativeHandle(_ newHandle: inout OpaquePointer?, currentHandle: OpaquePointer?) -> SignalFfiErrorRef? {
        return signal_sender_key_record_clone(&newHandle, currentHandle)
    }

    public convenience init<Bytes: ContiguousBytes>(bytes: Bytes) throws {
        let handle: OpaquePointer? = try bytes.withUnsafeBytes {
            var result: OpaquePointer?
            try checkError(signal_sender_key_record_deserialize(&result, $0.baseAddress?.assumingMemoryBound(to: UInt8.self), $0.count))
            return result
        }
        self.init(owned: handle!)
    }

    public convenience init() {
        var handle: OpaquePointer?
        failOnError(signal_sender_key_record_new_fresh(&handle))
        self.init(owned: handle!)
    }

    public func serialize() -> [UInt8] {
        return withNativeHandle { nativeHandle in
            failOnError {
                try invokeFnReturningArray {
                    signal_sender_key_record_serialize($0, $1, nativeHandle)
                }
            }
        }
    }
}