Struct CommunicationInfoKeyValue 

pub struct CommunicationInfoKeyValue {
    pub key: String,
    pub value: Option<Value>,
}

CommunicationInfoKeyValue represents a single application-defined key-value pair used to convey user-facing identification data.

Purpose

This structure is intended for:

• displaying human-readable information to users during pairing
• helping users identify and confirm counterparties
• providing contextual metadata for UI/UX purposes

Semantics

• The key is an application-defined identifier (e.g., “name”, “phone”)
• The value contains the associated data, either as a string or raw bytes

The protocol does not interpret these fields; they are opaque to the DeRec protocol and are only intended for application-level use.

Encoding

Exactly one of the value fields MUST be set.

Implementations SHOULD:

• prefer stringValue for human-readable data
• use bytesValue for structured or binary data (e.g., encoded identifiers)

Interoperability

Applications SHOULD use consistent and well-known keys where possible (e.g., “name”, “email”, “phone”) to improve cross-implementation UX, but no global registry is enforced by the protocol.

Fields

key: String

Application-defined key identifying the type of information.

Examples include “name”, “email”, “phone”, or “accountId”.

value: Option<Value>

Value associated with the key.

Exactly one of the following fields MUST be set.

Trait Implementations

impl Clone for CommunicationInfoKeyValue

fn clone(&self) -> CommunicationInfoKeyValue

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CommunicationInfoKeyValue

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for CommunicationInfoKeyValue

fn default() -> Self

Returns the “default value” for a type.

impl Hash for CommunicationInfoKeyValue

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Message for CommunicationInfoKeyValue

fn encoded_len(&self) -> usize

Returns the encoded length of the message without a length delimiter.

fn clear(&mut self)

Clears the message, resetting all fields to their default.

fn encode(&self, buf: &mut impl BufMut) -> Result<(), EncodeError>

where Self: Sized,

Encodes the message to a buffer.

fn encode_to_vec(&self) -> Vec<u8>

where Self: Sized,

Encodes the message to a newly allocated buffer.

fn encode_length_delimited( &self, buf: &mut impl BufMut, ) -> Result<(), EncodeError>

where Self: Sized,

Encodes the message with a length-delimiter to a buffer.

fn encode_length_delimited_to_vec(&self) -> Vec<u8>

where Self: Sized,

Encodes the message with a length-delimiter to a newly allocated buffer.

fn decode(buf: impl Buf) -> Result<Self, DecodeError>

where Self: Default,

Decodes an instance of the message from a buffer.

fn decode_length_delimited(buf: impl Buf) -> Result<Self, DecodeError>

where Self: Default,

Decodes a length-delimited instance of the message from the buffer.

fn merge(&mut self, buf: impl Buf) -> Result<(), DecodeError>

where Self: Sized,

Decodes an instance of the message from a buffer, and merges it into self.

fn merge_length_delimited(&mut self, buf: impl Buf) -> Result<(), DecodeError>

where Self: Sized,

Decodes a length-delimited instance of the message from buffer, and merges it into self.

impl PartialEq for CommunicationInfoKeyValue

fn eq(&self, other: &CommunicationInfoKeyValue) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for CommunicationInfoKeyValue

impl StructuralPartialEq for CommunicationInfoKeyValue