//! Generated by `trust-tasks-codegen` — do not edit by hand.
//!
//! Spec slug: `messaging/ping`. Version: `0.1`.
#[allow(unused_imports)]
use serde::{Deserialize, Serialize};
/// Error types.
pub mod error {
/// Error from a `TryFrom` or `FromStr` implementation.
pub struct ConversionError(::std::borrow::Cow<'static, str>);
impl ::std::error::Error for ConversionError {}
impl ::std::fmt::Display for ConversionError {
fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> Result<(), ::std::fmt::Error> {
::std::fmt::Display::fmt(&self.0, f)
}
}
impl ::std::fmt::Debug for ConversionError {
fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> Result<(), ::std::fmt::Error> {
::std::fmt::Debug::fmt(&self.0, f)
}
}
impl From<&'static str> for ConversionError {
fn from(value: &'static str) -> Self {
Self(value.into())
}
}
impl From<String> for ConversionError {
fn from(value: String) -> Self {
Self(value.into())
}
}
}
///Vendor-namespaced extension object per SPEC.md §4.5.1. Each immediate key MUST be a reverse-DNS namespace; structure under each namespace is opaque to the framework.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
/// "title": "Ext",
/// "description": "Vendor-namespaced extension object per SPEC.md §4.5.1. Each immediate key MUST be a reverse-DNS namespace; structure under each namespace is opaque to the framework.",
/// "type": "object",
/// "minProperties": 1,
/// "additionalProperties": true,
/// "propertyNames": {
/// "pattern": "^[a-z][a-z0-9-]*(\\.[a-z0-9-]+)+$"
/// }
///}
/// ```
/// </details>
#[derive(::serde::Deserialize, ::serde::Serialize, Clone, Debug)]
#[serde(transparent)]
pub struct Ext(pub ::std::collections::HashMap<ExtKey, ::serde_json::Value>);
impl ::std::ops::Deref for Ext {
type Target = ::std::collections::HashMap<ExtKey, ::serde_json::Value>;
fn deref(&self) -> &::std::collections::HashMap<ExtKey, ::serde_json::Value> {
&self.0
}
}
impl ::std::convert::From<Ext> for ::std::collections::HashMap<ExtKey, ::serde_json::Value> {
fn from(value: Ext) -> Self {
value.0
}
}
impl ::std::convert::From<::std::collections::HashMap<ExtKey, ::serde_json::Value>> for Ext {
fn from(value: ::std::collections::HashMap<ExtKey, ::serde_json::Value>) -> Self {
Self(value)
}
}
///`ExtKey`
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
/// "type": "string",
/// "pattern": "^[a-z][a-z0-9-]*(\\.[a-z0-9-]+)+$"
///}
/// ```
/// </details>
#[derive(::serde::Serialize, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[serde(transparent)]
pub struct ExtKey(::std::string::String);
impl ::std::ops::Deref for ExtKey {
type Target = ::std::string::String;
fn deref(&self) -> &::std::string::String {
&self.0
}
}
impl ::std::convert::From<ExtKey> for ::std::string::String {
fn from(value: ExtKey) -> Self {
value.0
}
}
impl ::std::str::FromStr for ExtKey {
type Err = self::error::ConversionError;
fn from_str(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
static PATTERN: ::std::sync::LazyLock<::regress::Regex> =
::std::sync::LazyLock::new(|| {
::regress::Regex::new("^[a-z][a-z0-9-]*(\\.[a-z0-9-]+)+$").unwrap()
});
if PATTERN.find(value).is_none() {
return Err("doesn't match pattern \"^[a-z][a-z0-9-]*(\\.[a-z0-9-]+)+$\"".into());
}
Ok(Self(value.to_string()))
}
}
impl ::std::convert::TryFrom<&str> for ExtKey {
type Error = self::error::ConversionError;
fn try_from(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
value.parse()
}
}
impl ::std::convert::TryFrom<&::std::string::String> for ExtKey {
type Error = self::error::ConversionError;
fn try_from(
value: &::std::string::String,
) -> ::std::result::Result<Self, self::error::ConversionError> {
value.parse()
}
}
impl ::std::convert::TryFrom<::std::string::String> for ExtKey {
type Error = self::error::ConversionError;
fn try_from(
value: ::std::string::String,
) -> ::std::result::Result<Self, self::error::ConversionError> {
value.parse()
}
}
impl<'de> ::serde::Deserialize<'de> for ExtKey {
fn deserialize<D>(deserializer: D) -> ::std::result::Result<Self, D::Error>
where
D: ::serde::Deserializer<'de>,
{
::std::string::String::deserialize(deserializer)?
.parse()
.map_err(|e: self::error::ConversionError| {
<D::Error as ::serde::de::Error>::custom(e.to_string())
})
}
}
///`Payload`
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
/// "$id": "https://trusttasks.org/spec/messaging/ping/0.1",
/// "title": "Payload",
/// "type": "object",
/// "properties": {
/// "ext": {
/// "description": "Ecosystem-defined extension members per SPEC.md §4.5.1.",
/// "$ref": "#/definitions/Ext"
/// },
/// "nonce": {
/// "description": "Optional opaque value the requester may supply to correlate the response to this probe. The mediator echoes it verbatim in the response.",
/// "type": "string"
/// }
/// },
/// "additionalProperties": false
///}
/// ```
/// </details>
#[derive(::serde::Deserialize, ::serde::Serialize, Clone, Debug)]
#[serde(deny_unknown_fields)]
pub struct Payload {
///Ecosystem-defined extension members per SPEC.md §4.5.1.
#[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
pub ext: ::std::option::Option<Ext>,
///Optional opaque value the requester may supply to correlate the response to this probe. The mediator echoes it verbatim in the response.
#[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
pub nonce: ::std::option::Option<::std::string::String>,
}
impl ::std::default::Default for Payload {
fn default() -> Self {
Self {
ext: Default::default(),
nonce: Default::default(),
}
}
}
///The success response to a messaging/ping request. Carried in a Trust Task document whose type is https://trusttasks.org/spec/messaging/ping/0.1#response.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
/// "title": "Response",
/// "description": "The success response to a messaging/ping request. Carried in a Trust Task document whose type is https://trusttasks.org/spec/messaging/ping/0.1#response.",
/// "type": "object",
/// "required": [
/// "serverTime",
/// "status"
/// ],
/// "properties": {
/// "ext": {
/// "description": "Ecosystem-defined extension members per SPEC.md §4.5.1.",
/// "$ref": "#/definitions/Ext"
/// },
/// "nonce": {
/// "description": "Echoed verbatim from the request when one was supplied.",
/// "type": "string"
/// },
/// "protocols": {
/// "description": "The transport protocols the mediator currently serves (e.g. `didcomm`, `tsp`). Open set; requesters ignore unrecognized tokens. MAY be omitted in a reduced response to an unauthenticated requester.",
/// "type": "array",
/// "items": {
/// "type": "string"
/// }
/// },
/// "serverTime": {
/// "description": "The mediator's current time (RFC 3339). Advisory; not a trusted time source.",
/// "type": "string",
/// "format": "date-time"
/// },
/// "status": {
/// "description": "Coarse health. `ok` = able to accept and route messages; `degraded` = reachable but operating with reduced function. A mediator that cannot serve at all returns the framework `unavailable` error instead of a response.",
/// "type": "string",
/// "enum": [
/// "ok",
/// "degraded"
/// ]
/// }
/// },
/// "additionalProperties": false,
/// "$anchor": "response"
///}
/// ```
/// </details>
#[derive(::serde::Deserialize, ::serde::Serialize, Clone, Debug)]
#[serde(deny_unknown_fields)]
pub struct Response {
///Ecosystem-defined extension members per SPEC.md §4.5.1.
#[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
pub ext: ::std::option::Option<Ext>,
///Echoed verbatim from the request when one was supplied.
#[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
pub nonce: ::std::option::Option<::std::string::String>,
///The transport protocols the mediator currently serves (e.g. `didcomm`, `tsp`). Open set; requesters ignore unrecognized tokens. MAY be omitted in a reduced response to an unauthenticated requester.
#[serde(default, skip_serializing_if = "::std::vec::Vec::is_empty")]
pub protocols: ::std::vec::Vec<::std::string::String>,
///The mediator's current time (RFC 3339). Advisory; not a trusted time source.
#[serde(rename = "serverTime")]
pub server_time: ::chrono::DateTime<::chrono::offset::Utc>,
///Coarse health. `ok` = able to accept and route messages; `degraded` = reachable but operating with reduced function. A mediator that cannot serve at all returns the framework `unavailable` error instead of a response.
pub status: ResponseStatus,
}
///Coarse health. `ok` = able to accept and route messages; `degraded` = reachable but operating with reduced function. A mediator that cannot serve at all returns the framework `unavailable` error instead of a response.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
/// "description": "Coarse health. `ok` = able to accept and route messages; `degraded` = reachable but operating with reduced function. A mediator that cannot serve at all returns the framework `unavailable` error instead of a response.",
/// "type": "string",
/// "enum": [
/// "ok",
/// "degraded"
/// ]
///}
/// ```
/// </details>
#[derive(
::serde::Deserialize,
::serde::Serialize,
Clone,
Copy,
Debug,
Eq,
Hash,
Ord,
PartialEq,
PartialOrd,
)]
pub enum ResponseStatus {
#[serde(rename = "ok")]
Ok,
#[serde(rename = "degraded")]
Degraded,
}
impl ::std::fmt::Display for ResponseStatus {
fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
match *self {
Self::Ok => f.write_str("ok"),
Self::Degraded => f.write_str("degraded"),
}
}
}
impl ::std::str::FromStr for ResponseStatus {
type Err = self::error::ConversionError;
fn from_str(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
match value {
"ok" => Ok(Self::Ok),
"degraded" => Ok(Self::Degraded),
_ => Err("invalid value".into()),
}
}
}
impl ::std::convert::TryFrom<&str> for ResponseStatus {
type Error = self::error::ConversionError;
fn try_from(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
value.parse()
}
}
impl ::std::convert::TryFrom<&::std::string::String> for ResponseStatus {
type Error = self::error::ConversionError;
fn try_from(
value: &::std::string::String,
) -> ::std::result::Result<Self, self::error::ConversionError> {
value.parse()
}
}
impl ::std::convert::TryFrom<::std::string::String> for ResponseStatus {
type Error = self::error::ConversionError;
fn try_from(
value: ::std::string::String,
) -> ::std::result::Result<Self, self::error::ConversionError> {
value.parse()
}
}
impl crate::Payload for Payload {
const TYPE_URI: &'static str = "https://trusttasks.org/spec/messaging/ping/0.1";
const IS_RECIPIENT_REQUIRED: bool = true;
}
impl crate::Payload for Response {
const TYPE_URI: &'static str = "https://trusttasks.org/spec/messaging/ping/0.1#response";
const IS_RECIPIENT_REQUIRED: bool = true;
}
#[cfg(feature = "validate")]
impl crate::validate::ValidatedPayload for Payload {
const SCHEMA_JSON: &'static str = "{\n \"$defs\": {\n \"Ext\": {\n \"additionalProperties\": true,\n \"description\": \"Vendor-namespaced extension object per SPEC.md §4.5.1. Each immediate key MUST be a reverse-DNS namespace; structure under each namespace is opaque to the framework.\",\n \"minProperties\": 1,\n \"propertyNames\": {\n \"pattern\": \"^[a-z][a-z0-9-]*(\\\\.[a-z0-9-]+)+$\"\n },\n \"title\": \"Ext\",\n \"type\": \"object\"\n },\n \"Response\": {\n \"$anchor\": \"response\",\n \"additionalProperties\": false,\n \"description\": \"The success response to a messaging/ping request. Carried in a Trust Task document whose type is https://trusttasks.org/spec/messaging/ping/0.1#response.\",\n \"properties\": {\n \"ext\": {\n \"$ref\": \"#/$defs/Ext\",\n \"description\": \"Ecosystem-defined extension members per SPEC.md §4.5.1.\"\n },\n \"nonce\": {\n \"description\": \"Echoed verbatim from the request when one was supplied.\",\n \"type\": \"string\"\n },\n \"protocols\": {\n \"description\": \"The transport protocols the mediator currently serves (e.g. `didcomm`, `tsp`). Open set; requesters ignore unrecognized tokens. MAY be omitted in a reduced response to an unauthenticated requester.\",\n \"items\": {\n \"type\": \"string\"\n },\n \"type\": \"array\"\n },\n \"serverTime\": {\n \"description\": \"The mediator's current time (RFC 3339). Advisory; not a trusted time source.\",\n \"format\": \"date-time\",\n \"type\": \"string\"\n },\n \"status\": {\n \"description\": \"Coarse health. `ok` = able to accept and route messages; `degraded` = reachable but operating with reduced function. A mediator that cannot serve at all returns the framework `unavailable` error instead of a response.\",\n \"enum\": [\n \"ok\",\n \"degraded\"\n ],\n \"type\": \"string\"\n }\n },\n \"required\": [\n \"serverTime\",\n \"status\"\n ],\n \"title\": \"Messaging Ping — response payload\",\n \"type\": \"object\"\n }\n },\n \"$id\": \"https://trusttasks.org/spec/messaging/ping/0.1\",\n \"$schema\": \"https://json-schema.org/draft/2020-12/schema\",\n \"additionalProperties\": false,\n \"properties\": {\n \"ext\": {\n \"$ref\": \"#/$defs/Ext\",\n \"description\": \"Ecosystem-defined extension members per SPEC.md §4.5.1.\"\n },\n \"nonce\": {\n \"description\": \"Optional opaque value the requester may supply to correlate the response to this probe. The mediator echoes it verbatim in the response.\",\n \"type\": \"string\"\n }\n },\n \"title\": \"Messaging Ping — payload\",\n \"type\": \"object\"\n}\n";
}
#[cfg(test)]
mod conformance {
//! Round-trip tests harvested from the spec's `spec.md`,
//! plus a `rejects_invalid_examples` test for any fixtures
//! in `payload.invalid-examples.json` (validate feature).
#[test]
fn request_example_1() {
const JSON: &str = "{\n \"id\": \"4f3c9e2a-1b81-4d3e-9b51-7a3c89e3d1f2\",\n \"type\": \"https://trusttasks.org/spec/messaging/ping/0.1\",\n \"issuer\": \"did:web:alice.example\",\n \"recipient\": \"did:web:mediator.example\",\n \"issuedAt\": \"2026-06-22T09:31:00Z\",\n \"payload\": {\n \"nonce\": \"f3a1c9\"\n }\n}\n";
let doc: crate::TrustTask<super::Payload> =
serde_json::from_str(JSON).expect("deserialize request example");
let rendered = serde_json::to_value(&doc).expect("re-serialize");
let expected: serde_json::Value = serde_json::from_str(JSON).expect("re-parse expected");
assert_eq!(rendered, expected, "request example failed round-trip");
}
#[test]
fn response_example_1() {
const JSON: &str = "{\n \"id\": \"5e3c9e2a-1b81-4d3e-9b51-7a3c89e3d1f3\",\n \"type\": \"https://trusttasks.org/spec/messaging/ping/0.1#response\",\n \"threadId\": \"4f3c9e2a-1b81-4d3e-9b51-7a3c89e3d1f2\",\n \"issuer\": \"did:web:mediator.example\",\n \"recipient\": \"did:web:alice.example\",\n \"issuedAt\": \"2026-06-22T09:31:00Z\",\n \"payload\": {\n \"serverTime\": \"2026-06-22T09:31:00Z\",\n \"status\": \"ok\",\n \"protocols\": [\"didcomm\", \"tsp\"],\n \"nonce\": \"f3a1c9\"\n }\n}\n";
let doc: crate::TrustTask<super::Response> =
serde_json::from_str(JSON).expect("deserialize response example");
let rendered = serde_json::to_value(&doc).expect("re-serialize");
let expected: serde_json::Value = serde_json::from_str(JSON).expect("re-parse expected");
assert_eq!(rendered, expected, "response example failed round-trip");
}
}