ceremonyclient/crates/channel/bindings/swift/channel.swift

// This file was autogenerated by some hot garbage in the `uniffi` crate.
// Trust me, you don't want to mess with it!

// swiftlint:disable all
import Foundation

// Depending on the consumer's build setup, the low-level FFI code
// might be in a separate module, or it might be compiled inline into
// this module. This is a bit of light hackery to work with both.
#if canImport(channelFFI)
import channelFFI
#endif

fileprivate extension RustBuffer {
    // Allocate a new buffer, copying the contents of a `UInt8` array.
    init(bytes: [UInt8]) {
        let rbuf = bytes.withUnsafeBufferPointer { ptr in
            RustBuffer.from(ptr)
        }
        self.init(capacity: rbuf.capacity, len: rbuf.len, data: rbuf.data)
    }

    static func empty() -> RustBuffer {
        RustBuffer(capacity: 0, len:0, data: nil)
    }

    static func from(_ ptr: UnsafeBufferPointer<UInt8>) -> RustBuffer {
        try! rustCall { ffi_channel_rustbuffer_from_bytes(ForeignBytes(bufferPointer: ptr), $0) }
    }

    // Frees the buffer in place.
    // The buffer must not be used after this is called.
    func deallocate() {
        try! rustCall { ffi_channel_rustbuffer_free(self, $0) }
    }
}

fileprivate extension ForeignBytes {
    init(bufferPointer: UnsafeBufferPointer<UInt8>) {
        self.init(len: Int32(bufferPointer.count), data: bufferPointer.baseAddress)
    }
}

// For every type used in the interface, we provide helper methods for conveniently
// lifting and lowering that type from C-compatible data, and for reading and writing
// values of that type in a buffer.

// Helper classes/extensions that don't change.
// Someday, this will be in a library of its own.

fileprivate extension Data {
    init(rustBuffer: RustBuffer) {
        self.init(
            bytesNoCopy: rustBuffer.data!,
            count: Int(rustBuffer.len),
            deallocator: .none
        )
    }
}

// Define reader functionality.  Normally this would be defined in a class or
// struct, but we use standalone functions instead in order to make external
// types work.
//
// With external types, one swift source file needs to be able to call the read
// method on another source file's FfiConverter, but then what visibility
// should Reader have?
// - If Reader is fileprivate, then this means the read() must also
//   be fileprivate, which doesn't work with external types.
// - If Reader is internal/public, we'll get compile errors since both source
//   files will try define the same type.
//
// Instead, the read() method and these helper functions input a tuple of data

fileprivate func createReader(data: Data) -> (data: Data, offset: Data.Index) {
    (data: data, offset: 0)
}

// Reads an integer at the current offset, in big-endian order, and advances
// the offset on success. Throws if reading the integer would move the
// offset past the end of the buffer.
fileprivate func readInt<T: FixedWidthInteger>(_ reader: inout (data: Data, offset: Data.Index)) throws -> T {
    let range = reader.offset..<reader.offset + MemoryLayout<T>.size
    guard reader.data.count >= range.upperBound else {
        throw UniffiInternalError.bufferOverflow
    }
    if T.self == UInt8.self {
        let value = reader.data[reader.offset]
        reader.offset += 1
        return value as! T
    }
    var value: T = 0
    let _ = withUnsafeMutableBytes(of: &value, { reader.data.copyBytes(to: $0, from: range)})
    reader.offset = range.upperBound
    return value.bigEndian
}

// Reads an arbitrary number of bytes, to be used to read
// raw bytes, this is useful when lifting strings
fileprivate func readBytes(_ reader: inout (data: Data, offset: Data.Index), count: Int) throws -> Array<UInt8> {
    let range = reader.offset..<(reader.offset+count)
    guard reader.data.count >= range.upperBound else {
        throw UniffiInternalError.bufferOverflow
    }
    var value = [UInt8](repeating: 0, count: count)
    value.withUnsafeMutableBufferPointer({ buffer in
        reader.data.copyBytes(to: buffer, from: range)
    })
    reader.offset = range.upperBound
    return value
}

// Reads a float at the current offset.
fileprivate func readFloat(_ reader: inout (data: Data, offset: Data.Index)) throws -> Float {
    return Float(bitPattern: try readInt(&reader))
}

// Reads a float at the current offset.
fileprivate func readDouble(_ reader: inout (data: Data, offset: Data.Index)) throws -> Double {
    return Double(bitPattern: try readInt(&reader))
}

// Indicates if the offset has reached the end of the buffer.
fileprivate func hasRemaining(_ reader: (data: Data, offset: Data.Index)) -> Bool {
    return reader.offset < reader.data.count
}

// Define writer functionality.  Normally this would be defined in a class or
// struct, but we use standalone functions instead in order to make external
// types work.  See the above discussion on Readers for details.

fileprivate func createWriter() -> [UInt8] {
    return []
}

fileprivate func writeBytes<S>(_ writer: inout [UInt8], _ byteArr: S) where S: Sequence, S.Element == UInt8 {
    writer.append(contentsOf: byteArr)
}

// Writes an integer in big-endian order.
//
// Warning: make sure what you are trying to write
// is in the correct type!
fileprivate func writeInt<T: FixedWidthInteger>(_ writer: inout [UInt8], _ value: T) {
    var value = value.bigEndian
    withUnsafeBytes(of: &value) { writer.append(contentsOf: $0) }
}

fileprivate func writeFloat(_ writer: inout [UInt8], _ value: Float) {
    writeInt(&writer, value.bitPattern)
}

fileprivate func writeDouble(_ writer: inout [UInt8], _ value: Double) {
    writeInt(&writer, value.bitPattern)
}

// Protocol for types that transfer other types across the FFI. This is
// analogous to the Rust trait of the same name.
fileprivate protocol FfiConverter {
    associatedtype FfiType
    associatedtype SwiftType

    static func lift(_ value: FfiType) throws -> SwiftType
    static func lower(_ value: SwiftType) -> FfiType
    static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> SwiftType
    static func write(_ value: SwiftType, into buf: inout [UInt8])
}

// Types conforming to `Primitive` pass themselves directly over the FFI.
fileprivate protocol FfiConverterPrimitive: FfiConverter where FfiType == SwiftType { }

extension FfiConverterPrimitive {
#if swift(>=5.8)
    @_documentation(visibility: private)
#endif
    public static func lift(_ value: FfiType) throws -> SwiftType {
        return value
    }

#if swift(>=5.8)
    @_documentation(visibility: private)
#endif
    public static func lower(_ value: SwiftType) -> FfiType {
        return value
    }
}

// Types conforming to `FfiConverterRustBuffer` lift and lower into a `RustBuffer`.
// Used for complex types where it's hard to write a custom lift/lower.
fileprivate protocol FfiConverterRustBuffer: FfiConverter where FfiType == RustBuffer {}

extension FfiConverterRustBuffer {
#if swift(>=5.8)
    @_documentation(visibility: private)
#endif
    public static func lift(_ buf: RustBuffer) throws -> SwiftType {
        var reader = createReader(data: Data(rustBuffer: buf))
        let value = try read(from: &reader)
        if hasRemaining(reader) {
            throw UniffiInternalError.incompleteData
        }
        buf.deallocate()
        return value
    }

#if swift(>=5.8)
    @_documentation(visibility: private)
#endif
    public static func lower(_ value: SwiftType) -> RustBuffer {
          var writer = createWriter()
          write(value, into: &writer)
          return RustBuffer(bytes: writer)
    }
}
// An error type for FFI errors. These errors occur at the UniFFI level, not
// the library level.
fileprivate enum UniffiInternalError: LocalizedError {
    case bufferOverflow
    case incompleteData
    case unexpectedOptionalTag
    case unexpectedEnumCase
    case unexpectedNullPointer
    case unexpectedRustCallStatusCode
    case unexpectedRustCallError
    case unexpectedStaleHandle
    case rustPanic(_ message: String)

    public var errorDescription: String? {
        switch self {
        case .bufferOverflow: return "Reading the requested value would read past the end of the buffer"
        case .incompleteData: return "The buffer still has data after lifting its containing value"
        case .unexpectedOptionalTag: return "Unexpected optional tag; should be 0 or 1"
        case .unexpectedEnumCase: return "Raw enum value doesn't match any cases"
        case .unexpectedNullPointer: return "Raw pointer value was null"
        case .unexpectedRustCallStatusCode: return "Unexpected RustCallStatus code"
        case .unexpectedRustCallError: return "CALL_ERROR but no errorClass specified"
        case .unexpectedStaleHandle: return "The object in the handle map has been dropped already"
        case let .rustPanic(message): return message
        }
    }
}

fileprivate extension NSLock {
    func withLock<T>(f: () throws -> T) rethrows -> T {
        self.lock()
        defer { self.unlock() }
        return try f()
    }
}

fileprivate let CALL_SUCCESS: Int8 = 0
fileprivate let CALL_ERROR: Int8 = 1
fileprivate let CALL_UNEXPECTED_ERROR: Int8 = 2
fileprivate let CALL_CANCELLED: Int8 = 3

fileprivate extension RustCallStatus {
    init() {
        self.init(
            code: CALL_SUCCESS,
            errorBuf: RustBuffer.init(
                capacity: 0,
                len: 0,
                data: nil
            )
        )
    }
}

private func rustCall<T>(_ callback: (UnsafeMutablePointer<RustCallStatus>) -> T) throws -> T {
    let neverThrow: ((RustBuffer) throws -> Never)? = nil
    return try makeRustCall(callback, errorHandler: neverThrow)
}

private func rustCallWithError<T, E: Swift.Error>(
    _ errorHandler: @escaping (RustBuffer) throws -> E,
    _ callback: (UnsafeMutablePointer<RustCallStatus>) -> T) throws -> T {
    try makeRustCall(callback, errorHandler: errorHandler)
}

private func makeRustCall<T, E: Swift.Error>(
    _ callback: (UnsafeMutablePointer<RustCallStatus>) -> T,
    errorHandler: ((RustBuffer) throws -> E)?
) throws -> T {
    uniffiEnsureInitialized()
    var callStatus = RustCallStatus.init()
    let returnedVal = callback(&callStatus)
    try uniffiCheckCallStatus(callStatus: callStatus, errorHandler: errorHandler)
    return returnedVal
}

private func uniffiCheckCallStatus<E: Swift.Error>(
    callStatus: RustCallStatus,
    errorHandler: ((RustBuffer) throws -> E)?
) throws {
    switch callStatus.code {
        case CALL_SUCCESS:
            return

        case CALL_ERROR:
            if let errorHandler = errorHandler {
                throw try errorHandler(callStatus.errorBuf)
            } else {
                callStatus.errorBuf.deallocate()
                throw UniffiInternalError.unexpectedRustCallError
            }

        case CALL_UNEXPECTED_ERROR:
            // When the rust code sees a panic, it tries to construct a RustBuffer
            // with the message.  But if that code panics, then it just sends back
            // an empty buffer.
            if callStatus.errorBuf.len > 0 {
                throw UniffiInternalError.rustPanic(try FfiConverterString.lift(callStatus.errorBuf))
            } else {
                callStatus.errorBuf.deallocate()
                throw UniffiInternalError.rustPanic("Rust panic")
            }

        case CALL_CANCELLED:
            fatalError("Cancellation not supported yet")

        default:
            throw UniffiInternalError.unexpectedRustCallStatusCode
    }
}

private func uniffiTraitInterfaceCall<T>(
    callStatus: UnsafeMutablePointer<RustCallStatus>,
    makeCall: () throws -> T,
    writeReturn: (T) -> ()
) {
    do {
        try writeReturn(makeCall())
    } catch let error {
        callStatus.pointee.code = CALL_UNEXPECTED_ERROR
        callStatus.pointee.errorBuf = FfiConverterString.lower(String(describing: error))
    }
}

private func uniffiTraitInterfaceCallWithError<T, E>(
    callStatus: UnsafeMutablePointer<RustCallStatus>,
    makeCall: () throws -> T,
    writeReturn: (T) -> (),
    lowerError: (E) -> RustBuffer
) {
    do {
        try writeReturn(makeCall())
    } catch let error as E {
        callStatus.pointee.code = CALL_ERROR
        callStatus.pointee.errorBuf = lowerError(error)
    } catch {
        callStatus.pointee.code = CALL_UNEXPECTED_ERROR
        callStatus.pointee.errorBuf = FfiConverterString.lower(String(describing: error))
    }
}
fileprivate class UniffiHandleMap<T> {
    private var map: [UInt64: T] = [:]
    private let lock = NSLock()
    private var currentHandle: UInt64 = 1

    func insert(obj: T) -> UInt64 {
        lock.withLock {
            let handle = currentHandle
            currentHandle += 1
            map[handle] = obj
            return handle
        }
    }

     func get(handle: UInt64) throws -> T {
        try lock.withLock {
            guard let obj = map[handle] else {
                throw UniffiInternalError.unexpectedStaleHandle
            }
            return obj
        }
    }

    @discardableResult
    func remove(handle: UInt64) throws -> T {
        try lock.withLock {
            guard let obj = map.removeValue(forKey: handle) else {
                throw UniffiInternalError.unexpectedStaleHandle
            }
            return obj
        }
    }

    var count: Int {
        get {
            map.count
        }
    }
}


// Public interface members begin here.


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
fileprivate struct FfiConverterUInt8: FfiConverterPrimitive {
    typealias FfiType = UInt8
    typealias SwiftType = UInt8

    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> UInt8 {
        return try lift(readInt(&buf))
    }

    public static func write(_ value: UInt8, into buf: inout [UInt8]) {
        writeInt(&buf, lower(value))
    }
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
fileprivate struct FfiConverterUInt64: FfiConverterPrimitive {
    typealias FfiType = UInt64
    typealias SwiftType = UInt64

    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> UInt64 {
        return try lift(readInt(&buf))
    }

    public static func write(_ value: SwiftType, into buf: inout [UInt8]) {
        writeInt(&buf, lower(value))
    }
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
fileprivate struct FfiConverterBool : FfiConverter {
    typealias FfiType = Int8
    typealias SwiftType = Bool

    public static func lift(_ value: Int8) throws -> Bool {
        return value != 0
    }

    public static func lower(_ value: Bool) -> Int8 {
        return value ? 1 : 0
    }

    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> Bool {
        return try lift(readInt(&buf))
    }

    public static func write(_ value: Bool, into buf: inout [UInt8]) {
        writeInt(&buf, lower(value))
    }
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
fileprivate struct FfiConverterString: FfiConverter {
    typealias SwiftType = String
    typealias FfiType = RustBuffer

    public static func lift(_ value: RustBuffer) throws -> String {
        defer {
            value.deallocate()
        }
        if value.data == nil {
            return String()
        }
        let bytes = UnsafeBufferPointer<UInt8>(start: value.data!, count: Int(value.len))
        return String(bytes: bytes, encoding: String.Encoding.utf8)!
    }

    public static func lower(_ value: String) -> RustBuffer {
        return value.utf8CString.withUnsafeBufferPointer { ptr in
            // The swift string gives us int8_t, we want uint8_t.
            ptr.withMemoryRebound(to: UInt8.self) { ptr in
                // The swift string gives us a trailing null byte, we don't want it.
                let buf = UnsafeBufferPointer(rebasing: ptr.prefix(upTo: ptr.count - 1))
                return RustBuffer.from(buf)
            }
        }
    }

    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> String {
        let len: Int32 = try readInt(&buf)
        return String(bytes: try readBytes(&buf, count: Int(len)), encoding: String.Encoding.utf8)!
    }

    public static func write(_ value: String, into buf: inout [UInt8]) {
        let len = Int32(value.utf8.count)
        writeInt(&buf, len)
        writeBytes(&buf, value.utf8)
    }
}


public struct DoubleRatchetStateAndEnvelope {
    public var ratchetState: String
    public var envelope: String

    // Default memberwise initializers are never public by default, so we
    // declare one manually.
    public init(ratchetState: String, envelope: String) {
        self.ratchetState = ratchetState
        self.envelope = envelope
    }
}



extension DoubleRatchetStateAndEnvelope: Equatable, Hashable {
    public static func ==(lhs: DoubleRatchetStateAndEnvelope, rhs: DoubleRatchetStateAndEnvelope) -> Bool {
        if lhs.ratchetState != rhs.ratchetState {
            return false
        }
        if lhs.envelope != rhs.envelope {
            return false
        }
        return true
    }

    public func hash(into hasher: inout Hasher) {
        hasher.combine(ratchetState)
        hasher.combine(envelope)
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public struct FfiConverterTypeDoubleRatchetStateAndEnvelope: FfiConverterRustBuffer {
    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> DoubleRatchetStateAndEnvelope {
        return
            try DoubleRatchetStateAndEnvelope(
                ratchetState: FfiConverterString.read(from: &buf), 
                envelope: FfiConverterString.read(from: &buf)
        )
    }

    public static func write(_ value: DoubleRatchetStateAndEnvelope, into buf: inout [UInt8]) {
        FfiConverterString.write(value.ratchetState, into: &buf)
        FfiConverterString.write(value.envelope, into: &buf)
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeDoubleRatchetStateAndEnvelope_lift(_ buf: RustBuffer) throws -> DoubleRatchetStateAndEnvelope {
    return try FfiConverterTypeDoubleRatchetStateAndEnvelope.lift(buf)
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeDoubleRatchetStateAndEnvelope_lower(_ value: DoubleRatchetStateAndEnvelope) -> RustBuffer {
    return FfiConverterTypeDoubleRatchetStateAndEnvelope.lower(value)
}


public struct DoubleRatchetStateAndMessage {
    public var ratchetState: String
    public var message: [UInt8]

    // Default memberwise initializers are never public by default, so we
    // declare one manually.
    public init(ratchetState: String, message: [UInt8]) {
        self.ratchetState = ratchetState
        self.message = message
    }
}



extension DoubleRatchetStateAndMessage: Equatable, Hashable {
    public static func ==(lhs: DoubleRatchetStateAndMessage, rhs: DoubleRatchetStateAndMessage) -> Bool {
        if lhs.ratchetState != rhs.ratchetState {
            return false
        }
        if lhs.message != rhs.message {
            return false
        }
        return true
    }

    public func hash(into hasher: inout Hasher) {
        hasher.combine(ratchetState)
        hasher.combine(message)
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public struct FfiConverterTypeDoubleRatchetStateAndMessage: FfiConverterRustBuffer {
    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> DoubleRatchetStateAndMessage {
        return
            try DoubleRatchetStateAndMessage(
                ratchetState: FfiConverterString.read(from: &buf), 
                message: FfiConverterSequenceUInt8.read(from: &buf)
        )
    }

    public static func write(_ value: DoubleRatchetStateAndMessage, into buf: inout [UInt8]) {
        FfiConverterString.write(value.ratchetState, into: &buf)
        FfiConverterSequenceUInt8.write(value.message, into: &buf)
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeDoubleRatchetStateAndMessage_lift(_ buf: RustBuffer) throws -> DoubleRatchetStateAndMessage {
    return try FfiConverterTypeDoubleRatchetStateAndMessage.lift(buf)
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeDoubleRatchetStateAndMessage_lower(_ value: DoubleRatchetStateAndMessage) -> RustBuffer {
    return FfiConverterTypeDoubleRatchetStateAndMessage.lower(value)
}


public struct TripleRatchetStateAndEnvelope {
    public var ratchetState: String
    public var envelope: String

    // Default memberwise initializers are never public by default, so we
    // declare one manually.
    public init(ratchetState: String, envelope: String) {
        self.ratchetState = ratchetState
        self.envelope = envelope
    }
}



extension TripleRatchetStateAndEnvelope: Equatable, Hashable {
    public static func ==(lhs: TripleRatchetStateAndEnvelope, rhs: TripleRatchetStateAndEnvelope) -> Bool {
        if lhs.ratchetState != rhs.ratchetState {
            return false
        }
        if lhs.envelope != rhs.envelope {
            return false
        }
        return true
    }

    public func hash(into hasher: inout Hasher) {
        hasher.combine(ratchetState)
        hasher.combine(envelope)
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public struct FfiConverterTypeTripleRatchetStateAndEnvelope: FfiConverterRustBuffer {
    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> TripleRatchetStateAndEnvelope {
        return
            try TripleRatchetStateAndEnvelope(
                ratchetState: FfiConverterString.read(from: &buf), 
                envelope: FfiConverterString.read(from: &buf)
        )
    }

    public static func write(_ value: TripleRatchetStateAndEnvelope, into buf: inout [UInt8]) {
        FfiConverterString.write(value.ratchetState, into: &buf)
        FfiConverterString.write(value.envelope, into: &buf)
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeTripleRatchetStateAndEnvelope_lift(_ buf: RustBuffer) throws -> TripleRatchetStateAndEnvelope {
    return try FfiConverterTypeTripleRatchetStateAndEnvelope.lift(buf)
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeTripleRatchetStateAndEnvelope_lower(_ value: TripleRatchetStateAndEnvelope) -> RustBuffer {
    return FfiConverterTypeTripleRatchetStateAndEnvelope.lower(value)
}


public struct TripleRatchetStateAndMessage {
    public var ratchetState: String
    public var message: [UInt8]

    // Default memberwise initializers are never public by default, so we
    // declare one manually.
    public init(ratchetState: String, message: [UInt8]) {
        self.ratchetState = ratchetState
        self.message = message
    }
}



extension TripleRatchetStateAndMessage: Equatable, Hashable {
    public static func ==(lhs: TripleRatchetStateAndMessage, rhs: TripleRatchetStateAndMessage) -> Bool {
        if lhs.ratchetState != rhs.ratchetState {
            return false
        }
        if lhs.message != rhs.message {
            return false
        }
        return true
    }

    public func hash(into hasher: inout Hasher) {
        hasher.combine(ratchetState)
        hasher.combine(message)
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public struct FfiConverterTypeTripleRatchetStateAndMessage: FfiConverterRustBuffer {
    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> TripleRatchetStateAndMessage {
        return
            try TripleRatchetStateAndMessage(
                ratchetState: FfiConverterString.read(from: &buf), 
                message: FfiConverterSequenceUInt8.read(from: &buf)
        )
    }

    public static func write(_ value: TripleRatchetStateAndMessage, into buf: inout [UInt8]) {
        FfiConverterString.write(value.ratchetState, into: &buf)
        FfiConverterSequenceUInt8.write(value.message, into: &buf)
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeTripleRatchetStateAndMessage_lift(_ buf: RustBuffer) throws -> TripleRatchetStateAndMessage {
    return try FfiConverterTypeTripleRatchetStateAndMessage.lift(buf)
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeTripleRatchetStateAndMessage_lower(_ value: TripleRatchetStateAndMessage) -> RustBuffer {
    return FfiConverterTypeTripleRatchetStateAndMessage.lower(value)
}


public struct TripleRatchetStateAndMetadata {
    public var ratchetState: String
    public var metadata: [String: String]

    // Default memberwise initializers are never public by default, so we
    // declare one manually.
    public init(ratchetState: String, metadata: [String: String]) {
        self.ratchetState = ratchetState
        self.metadata = metadata
    }
}



extension TripleRatchetStateAndMetadata: Equatable, Hashable {
    public static func ==(lhs: TripleRatchetStateAndMetadata, rhs: TripleRatchetStateAndMetadata) -> Bool {
        if lhs.ratchetState != rhs.ratchetState {
            return false
        }
        if lhs.metadata != rhs.metadata {
            return false
        }
        return true
    }

    public func hash(into hasher: inout Hasher) {
        hasher.combine(ratchetState)
        hasher.combine(metadata)
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public struct FfiConverterTypeTripleRatchetStateAndMetadata: FfiConverterRustBuffer {
    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> TripleRatchetStateAndMetadata {
        return
            try TripleRatchetStateAndMetadata(
                ratchetState: FfiConverterString.read(from: &buf), 
                metadata: FfiConverterDictionaryStringString.read(from: &buf)
        )
    }

    public static func write(_ value: TripleRatchetStateAndMetadata, into buf: inout [UInt8]) {
        FfiConverterString.write(value.ratchetState, into: &buf)
        FfiConverterDictionaryStringString.write(value.metadata, into: &buf)
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeTripleRatchetStateAndMetadata_lift(_ buf: RustBuffer) throws -> TripleRatchetStateAndMetadata {
    return try FfiConverterTypeTripleRatchetStateAndMetadata.lift(buf)
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeTripleRatchetStateAndMetadata_lower(_ value: TripleRatchetStateAndMetadata) -> RustBuffer {
    return FfiConverterTypeTripleRatchetStateAndMetadata.lower(value)
}


public enum CryptoError {

    
    
    case InvalidState(message: String)
    
    case InvalidEnvelope(message: String)
    
    case DecryptionFailed(message: String)
    
    case EncryptionFailed(message: String)
    
    case SerializationFailed(message: String)
    
    case InvalidInput(message: String)
    
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public struct FfiConverterTypeCryptoError: FfiConverterRustBuffer {
    typealias SwiftType = CryptoError

    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> CryptoError {
        let variant: Int32 = try readInt(&buf)
        switch variant {

        

        
        case 1: return .InvalidState(
            message: try FfiConverterString.read(from: &buf)
        )
        
        case 2: return .InvalidEnvelope(
            message: try FfiConverterString.read(from: &buf)
        )
        
        case 3: return .DecryptionFailed(
            message: try FfiConverterString.read(from: &buf)
        )
        
        case 4: return .EncryptionFailed(
            message: try FfiConverterString.read(from: &buf)
        )
        
        case 5: return .SerializationFailed(
            message: try FfiConverterString.read(from: &buf)
        )
        
        case 6: return .InvalidInput(
            message: try FfiConverterString.read(from: &buf)
        )
        

        default: throw UniffiInternalError.unexpectedEnumCase
        }
    }

    public static func write(_ value: CryptoError, into buf: inout [UInt8]) {
        switch value {

        

        
        case .InvalidState(_ /* message is ignored*/):
            writeInt(&buf, Int32(1))
        case .InvalidEnvelope(_ /* message is ignored*/):
            writeInt(&buf, Int32(2))
        case .DecryptionFailed(_ /* message is ignored*/):
            writeInt(&buf, Int32(3))
        case .EncryptionFailed(_ /* message is ignored*/):
            writeInt(&buf, Int32(4))
        case .SerializationFailed(_ /* message is ignored*/):
            writeInt(&buf, Int32(5))
        case .InvalidInput(_ /* message is ignored*/):
            writeInt(&buf, Int32(6))

        
        }
    }
}


extension CryptoError: Equatable, Hashable {}

extension CryptoError: Foundation.LocalizedError {
    public var errorDescription: String? {
        String(reflecting: self)
    }
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
fileprivate struct FfiConverterSequenceUInt8: FfiConverterRustBuffer {
    typealias SwiftType = [UInt8]

    public static func write(_ value: [UInt8], into buf: inout [UInt8]) {
        let len = Int32(value.count)
        writeInt(&buf, len)
        for item in value {
            FfiConverterUInt8.write(item, into: &buf)
        }
    }

    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> [UInt8] {
        let len: Int32 = try readInt(&buf)
        var seq = [UInt8]()
        seq.reserveCapacity(Int(len))
        for _ in 0 ..< len {
            seq.append(try FfiConverterUInt8.read(from: &buf))
        }
        return seq
    }
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
fileprivate struct FfiConverterSequenceSequenceUInt8: FfiConverterRustBuffer {
    typealias SwiftType = [[UInt8]]

    public static func write(_ value: [[UInt8]], into buf: inout [UInt8]) {
        let len = Int32(value.count)
        writeInt(&buf, len)
        for item in value {
            FfiConverterSequenceUInt8.write(item, into: &buf)
        }
    }

    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> [[UInt8]] {
        let len: Int32 = try readInt(&buf)
        var seq = [[UInt8]]()
        seq.reserveCapacity(Int(len))
        for _ in 0 ..< len {
            seq.append(try FfiConverterSequenceUInt8.read(from: &buf))
        }
        return seq
    }
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
fileprivate struct FfiConverterDictionaryStringString: FfiConverterRustBuffer {
    public static func write(_ value: [String: String], into buf: inout [UInt8]) {
        let len = Int32(value.count)
        writeInt(&buf, len)
        for (key, value) in value {
            FfiConverterString.write(key, into: &buf)
            FfiConverterString.write(value, into: &buf)
        }
    }

    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> [String: String] {
        let len: Int32 = try readInt(&buf)
        var dict = [String: String]()
        dict.reserveCapacity(Int(len))
        for _ in 0..<len {
            let key = try FfiConverterString.read(from: &buf)
            let value = try FfiConverterString.read(from: &buf)
            dict[key] = value
        }
        return dict
    }
}
public func decryptInboxMessage(input: String) -> String {
    return try!  FfiConverterString.lift(try! rustCall() {
    uniffi_channel_fn_func_decrypt_inbox_message(
        FfiConverterString.lower(input),$0
    )
})
}
public func doubleRatchetDecrypt(ratchetStateAndEnvelope: DoubleRatchetStateAndEnvelope)throws  -> DoubleRatchetStateAndMessage {
    return try  FfiConverterTypeDoubleRatchetStateAndMessage.lift(try rustCallWithError(FfiConverterTypeCryptoError.lift) {
    uniffi_channel_fn_func_double_ratchet_decrypt(
        FfiConverterTypeDoubleRatchetStateAndEnvelope.lower(ratchetStateAndEnvelope),$0
    )
})
}
public func doubleRatchetEncrypt(ratchetStateAndMessage: DoubleRatchetStateAndMessage)throws  -> DoubleRatchetStateAndEnvelope {
    return try  FfiConverterTypeDoubleRatchetStateAndEnvelope.lift(try rustCallWithError(FfiConverterTypeCryptoError.lift) {
    uniffi_channel_fn_func_double_ratchet_encrypt(
        FfiConverterTypeDoubleRatchetStateAndMessage.lower(ratchetStateAndMessage),$0
    )
})
}
public func encryptInboxMessage(input: String) -> String {
    return try!  FfiConverterString.lift(try! rustCall() {
    uniffi_channel_fn_func_encrypt_inbox_message(
        FfiConverterString.lower(input),$0
    )
})
}
public func generateEd448() -> String {
    return try!  FfiConverterString.lift(try! rustCall() {
    uniffi_channel_fn_func_generate_ed448($0
    )
})
}
public func generateX448() -> String {
    return try!  FfiConverterString.lift(try! rustCall() {
    uniffi_channel_fn_func_generate_x448($0
    )
})
}
public func getPubkeyEd448(key: String) -> String {
    return try!  FfiConverterString.lift(try! rustCall() {
    uniffi_channel_fn_func_get_pubkey_ed448(
        FfiConverterString.lower(key),$0
    )
})
}
public func getPubkeyX448(key: String) -> String {
    return try!  FfiConverterString.lift(try! rustCall() {
    uniffi_channel_fn_func_get_pubkey_x448(
        FfiConverterString.lower(key),$0
    )
})
}
public func newDoubleRatchet(sessionKey: [UInt8], sendingHeaderKey: [UInt8], nextReceivingHeaderKey: [UInt8], isSender: Bool, sendingEphemeralPrivateKey: [UInt8], receivingEphemeralKey: [UInt8]) -> String {
    return try!  FfiConverterString.lift(try! rustCall() {
    uniffi_channel_fn_func_new_double_ratchet(
        FfiConverterSequenceUInt8.lower(sessionKey),
        FfiConverterSequenceUInt8.lower(sendingHeaderKey),
        FfiConverterSequenceUInt8.lower(nextReceivingHeaderKey),
        FfiConverterBool.lower(isSender),
        FfiConverterSequenceUInt8.lower(sendingEphemeralPrivateKey),
        FfiConverterSequenceUInt8.lower(receivingEphemeralKey),$0
    )
})
}
public func newTripleRatchet(peers: [[UInt8]], peerKey: [UInt8], identityKey: [UInt8], signedPreKey: [UInt8], threshold: UInt64, asyncDkgRatchet: Bool) -> TripleRatchetStateAndMetadata {
    return try!  FfiConverterTypeTripleRatchetStateAndMetadata.lift(try! rustCall() {
    uniffi_channel_fn_func_new_triple_ratchet(
        FfiConverterSequenceSequenceUInt8.lower(peers),
        FfiConverterSequenceUInt8.lower(peerKey),
        FfiConverterSequenceUInt8.lower(identityKey),
        FfiConverterSequenceUInt8.lower(signedPreKey),
        FfiConverterUInt64.lower(threshold),
        FfiConverterBool.lower(asyncDkgRatchet),$0
    )
})
}
public func receiverX3dh(sendingIdentityPrivateKey: [UInt8], sendingSignedPrivateKey: [UInt8], receivingIdentityKey: [UInt8], receivingEphemeralKey: [UInt8], sessionKeyLength: UInt64) -> String {
    return try!  FfiConverterString.lift(try! rustCall() {
    uniffi_channel_fn_func_receiver_x3dh(
        FfiConverterSequenceUInt8.lower(sendingIdentityPrivateKey),
        FfiConverterSequenceUInt8.lower(sendingSignedPrivateKey),
        FfiConverterSequenceUInt8.lower(receivingIdentityKey),
        FfiConverterSequenceUInt8.lower(receivingEphemeralKey),
        FfiConverterUInt64.lower(sessionKeyLength),$0
    )
})
}
public func senderX3dh(sendingIdentityPrivateKey: [UInt8], sendingEphemeralPrivateKey: [UInt8], receivingIdentityKey: [UInt8], receivingSignedPreKey: [UInt8], sessionKeyLength: UInt64) -> String {
    return try!  FfiConverterString.lift(try! rustCall() {
    uniffi_channel_fn_func_sender_x3dh(
        FfiConverterSequenceUInt8.lower(sendingIdentityPrivateKey),
        FfiConverterSequenceUInt8.lower(sendingEphemeralPrivateKey),
        FfiConverterSequenceUInt8.lower(receivingIdentityKey),
        FfiConverterSequenceUInt8.lower(receivingSignedPreKey),
        FfiConverterUInt64.lower(sessionKeyLength),$0
    )
})
}
public func signEd448(key: String, message: String) -> String {
    return try!  FfiConverterString.lift(try! rustCall() {
    uniffi_channel_fn_func_sign_ed448(
        FfiConverterString.lower(key),
        FfiConverterString.lower(message),$0
    )
})
}
public func tripleRatchetDecrypt(ratchetStateAndEnvelope: TripleRatchetStateAndEnvelope)throws  -> TripleRatchetStateAndMessage {
    return try  FfiConverterTypeTripleRatchetStateAndMessage.lift(try rustCallWithError(FfiConverterTypeCryptoError.lift) {
    uniffi_channel_fn_func_triple_ratchet_decrypt(
        FfiConverterTypeTripleRatchetStateAndEnvelope.lower(ratchetStateAndEnvelope),$0
    )
})
}
public func tripleRatchetEncrypt(ratchetStateAndMessage: TripleRatchetStateAndMessage)throws  -> TripleRatchetStateAndEnvelope {
    return try  FfiConverterTypeTripleRatchetStateAndEnvelope.lift(try rustCallWithError(FfiConverterTypeCryptoError.lift) {
    uniffi_channel_fn_func_triple_ratchet_encrypt(
        FfiConverterTypeTripleRatchetStateAndMessage.lower(ratchetStateAndMessage),$0
    )
})
}
public func tripleRatchetInitRound1(ratchetStateAndMetadata: TripleRatchetStateAndMetadata)throws  -> TripleRatchetStateAndMetadata {
    return try  FfiConverterTypeTripleRatchetStateAndMetadata.lift(try rustCallWithError(FfiConverterTypeCryptoError.lift) {
    uniffi_channel_fn_func_triple_ratchet_init_round_1(
        FfiConverterTypeTripleRatchetStateAndMetadata.lower(ratchetStateAndMetadata),$0
    )
})
}
public func tripleRatchetInitRound2(ratchetStateAndMetadata: TripleRatchetStateAndMetadata)throws  -> TripleRatchetStateAndMetadata {
    return try  FfiConverterTypeTripleRatchetStateAndMetadata.lift(try rustCallWithError(FfiConverterTypeCryptoError.lift) {
    uniffi_channel_fn_func_triple_ratchet_init_round_2(
        FfiConverterTypeTripleRatchetStateAndMetadata.lower(ratchetStateAndMetadata),$0
    )
})
}
public func tripleRatchetInitRound3(ratchetStateAndMetadata: TripleRatchetStateAndMetadata)throws  -> TripleRatchetStateAndMetadata {
    return try  FfiConverterTypeTripleRatchetStateAndMetadata.lift(try rustCallWithError(FfiConverterTypeCryptoError.lift) {
    uniffi_channel_fn_func_triple_ratchet_init_round_3(
        FfiConverterTypeTripleRatchetStateAndMetadata.lower(ratchetStateAndMetadata),$0
    )
})
}
public func tripleRatchetInitRound4(ratchetStateAndMetadata: TripleRatchetStateAndMetadata)throws  -> TripleRatchetStateAndMetadata {
    return try  FfiConverterTypeTripleRatchetStateAndMetadata.lift(try rustCallWithError(FfiConverterTypeCryptoError.lift) {
    uniffi_channel_fn_func_triple_ratchet_init_round_4(
        FfiConverterTypeTripleRatchetStateAndMetadata.lower(ratchetStateAndMetadata),$0
    )
})
}
public func tripleRatchetResize(ratchetState: String, other: String, id: UInt64, total: UInt64) -> [[UInt8]] {
    return try!  FfiConverterSequenceSequenceUInt8.lift(try! rustCall() {
    uniffi_channel_fn_func_triple_ratchet_resize(
        FfiConverterString.lower(ratchetState),
        FfiConverterString.lower(other),
        FfiConverterUInt64.lower(id),
        FfiConverterUInt64.lower(total),$0
    )
})
}
public func verifyEd448(publicKey: String, message: String, signature: String) -> String {
    return try!  FfiConverterString.lift(try! rustCall() {
    uniffi_channel_fn_func_verify_ed448(
        FfiConverterString.lower(publicKey),
        FfiConverterString.lower(message),
        FfiConverterString.lower(signature),$0
    )
})
}

private enum InitializationResult {
    case ok
    case contractVersionMismatch
    case apiChecksumMismatch
}
// Use a global variable to perform the versioning checks. Swift ensures that
// the code inside is only computed once.
private var initializationResult: InitializationResult = {
    // Get the bindings contract version from our ComponentInterface
    let bindings_contract_version = 26
    // Get the scaffolding contract version by calling the into the dylib
    let scaffolding_contract_version = ffi_channel_uniffi_contract_version()
    if bindings_contract_version != scaffolding_contract_version {
        return InitializationResult.contractVersionMismatch
    }
    if (uniffi_channel_checksum_func_decrypt_inbox_message() != 59344) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_double_ratchet_decrypt() != 59687) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_double_ratchet_encrypt() != 57909) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_encrypt_inbox_message() != 48273) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_generate_ed448() != 62612) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_generate_x448() != 40212) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_get_pubkey_ed448() != 46020) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_get_pubkey_x448() != 37789) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_new_double_ratchet() != 16925) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_new_triple_ratchet() != 20275) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_receiver_x3dh() != 19343) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_sender_x3dh() != 41646) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_sign_ed448() != 28573) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_triple_ratchet_decrypt() != 15842) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_triple_ratchet_encrypt() != 23451) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_triple_ratchet_init_round_1() != 63112) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_triple_ratchet_init_round_2() != 34197) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_triple_ratchet_init_round_3() != 39476) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_triple_ratchet_init_round_4() != 19263) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_triple_ratchet_resize() != 57124) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_channel_checksum_func_verify_ed448() != 57200) {
        return InitializationResult.apiChecksumMismatch
    }

    return InitializationResult.ok
}()

private func uniffiEnsureInitialized() {
    switch initializationResult {
    case .ok:
        break
    case .contractVersionMismatch:
        fatalError("UniFFI contract version mismatch: try cleaning and rebuilding your project")
    case .apiChecksumMismatch:
        fatalError("UniFFI API checksum mismatch: try cleaning and rebuilding your project")
    }
}

// swiftlint:enable all