trust-tasks-rs 0.11.3

Reference Rust library for the Trust Tasks framework — transport-agnostic, JSON-based descriptions of verifiable work between parties.
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//! Generated by `trust-tasks-codegen` — do not edit by hand.
//!
//! Spec slug: `vta/app-state/put`. Version: `1.0`.
#[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())
        }
    }
}
///Optimistic-concurrency precondition on a write. A positive value requires that the record's current `version` equals it exactly. Zero means "create only" — the write applies only if no LIVE record exists at the address, which is what makes lease acquisition safe: without it two instances can each read "absent", each write, and each believe it won. A tombstone is not a live record, so `expectedVersion: 0` succeeds over one; the created record takes the namespace's next counter value, which is necessarily greater than the tombstone's.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "title": "ExpectedVersion",
///  "description": "Optimistic-concurrency precondition on a write. A positive value requires that the record's current `version` equals it exactly. Zero means \"create only\" — the write applies only if no LIVE record exists at the address, which is what makes lease acquisition safe: without it two instances can each read \"absent\", each write, and each believe it won. A tombstone is not a live record, so `expectedVersion: 0` succeeds over one; the created record takes the namespace's next counter value, which is necessarily greater than the tombstone's.",
///  "type": "integer",
///  "minimum": 0.0
///}
/// ```
/// </details>
#[derive(::serde::Deserialize, ::serde::Serialize, Clone, Debug)]
#[serde(transparent)]
pub struct ExpectedVersion(pub u64);
impl ::std::ops::Deref for ExpectedVersion {
    type Target = u64;
    fn deref(&self) -> &u64 {
        &self.0
    }
}
impl ::std::convert::From<ExpectedVersion> for u64 {
    fn from(value: ExpectedVersion) -> Self {
        value.0
    }
}
impl ::std::convert::From<u64> for ExpectedVersion {
    fn from(value: u64) -> Self {
        Self(value)
    }
}
impl ::std::str::FromStr for ExpectedVersion {
    type Err = <u64 as ::std::str::FromStr>::Err;
    fn from_str(value: &str) -> ::std::result::Result<Self, Self::Err> {
        Ok(Self(value.parse()?))
    }
}
impl ::std::convert::TryFrom<&str> for ExpectedVersion {
    type Error = <u64 as ::std::str::FromStr>::Err;
    fn try_from(value: &str) -> ::std::result::Result<Self, Self::Error> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<String> for ExpectedVersion {
    type Error = <u64 as ::std::str::FromStr>::Err;
    fn try_from(value: String) -> ::std::result::Result<Self, Self::Error> {
        value.parse()
    }
}
impl ::std::fmt::Display for ExpectedVersion {
    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
        self.0.fmt(f)
    }
}
///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())
            })
    }
}
///Application-chosen identifier for a record within a namespace. Opaque to the maintainer: it MUST NOT be parsed, normalized, or case-folded, and prefix matching in `list` is a byte-prefix comparison over the UTF-8 encoding. Applications SHOULD use `/`-delimited hierarchical keys (`community/acme`, `contact/z6Mk…`) so that `prefix` can address a record family, but the delimiter is a convention between an application and itself — the maintainer attaches no meaning to it.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "title": "Key",
///  "description": "Application-chosen identifier for a record within a namespace. Opaque to the maintainer: it MUST NOT be parsed, normalized, or case-folded, and prefix matching in `list` is a byte-prefix comparison over the UTF-8 encoding. Applications SHOULD use `/`-delimited hierarchical keys (`community/acme`, `contact/z6Mk…`) so that `prefix` can address a record family, but the delimiter is a convention between an application and itself — the maintainer attaches no meaning to it.",
///  "type": "string",
///  "maxLength": 512,
///  "minLength": 1,
///  "pattern": "^[^\\u0000]+$"
///}
/// ```
/// </details>
#[derive(::serde::Serialize, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[serde(transparent)]
pub struct Key(::std::string::String);
impl ::std::ops::Deref for Key {
    type Target = ::std::string::String;
    fn deref(&self) -> &::std::string::String {
        &self.0
    }
}
impl ::std::convert::From<Key> for ::std::string::String {
    fn from(value: Key) -> Self {
        value.0
    }
}
impl ::std::str::FromStr for Key {
    type Err = self::error::ConversionError;
    fn from_str(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        if value.chars().count() > 512usize {
            return Err("longer than 512 characters".into());
        }
        if value.chars().count() < 1usize {
            return Err("shorter than 1 characters".into());
        }
        static PATTERN: ::std::sync::LazyLock<::regress::Regex> =
            ::std::sync::LazyLock::new(|| ::regress::Regex::new("^[^\\u0000]+$").unwrap());
        if PATTERN.find(value).is_none() {
            return Err("doesn't match pattern \"^[^\\u0000]+$\"".into());
        }
        Ok(Self(value.to_string()))
    }
}
impl ::std::convert::TryFrom<&str> for Key {
    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 Key {
    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 Key {
    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 Key {
    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())
            })
    }
}
///Scopes one application's records within a context, so several tools can share a context without colliding — `openvtc`, `cnm`, an agent runtime. The maintainer MUST NOT interpret the value; it is an opaque partition name. Namespaces are first-come and unreserved, so an application SHOULD pick a stable, specific one: a future per-namespace ACL would grant on this exact string, which makes renaming a namespace a migration rather than an edit.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "title": "Namespace",
///  "description": "Scopes one application's records within a context, so several tools can share a context without colliding — `openvtc`, `cnm`, an agent runtime. The maintainer MUST NOT interpret the value; it is an opaque partition name. Namespaces are first-come and unreserved, so an application SHOULD pick a stable, specific one: a future per-namespace ACL would grant on this exact string, which makes renaming a namespace a migration rather than an edit.",
///  "type": "string",
///  "maxLength": 64,
///  "minLength": 1,
///  "pattern": "^[a-z][a-z0-9]*(-[a-z0-9]+)*$"
///}
/// ```
/// </details>
#[derive(::serde::Serialize, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[serde(transparent)]
pub struct Namespace(::std::string::String);
impl ::std::ops::Deref for Namespace {
    type Target = ::std::string::String;
    fn deref(&self) -> &::std::string::String {
        &self.0
    }
}
impl ::std::convert::From<Namespace> for ::std::string::String {
    fn from(value: Namespace) -> Self {
        value.0
    }
}
impl ::std::str::FromStr for Namespace {
    type Err = self::error::ConversionError;
    fn from_str(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        if value.chars().count() > 64usize {
            return Err("longer than 64 characters".into());
        }
        if value.chars().count() < 1usize {
            return Err("shorter than 1 characters".into());
        }
        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 Namespace {
    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 Namespace {
    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 Namespace {
    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 Namespace {
    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())
            })
    }
}
///Write one application-state record at its `(contextId, namespace, key)` address. Exactly one of `value` (whole-record replacement) or `mergePatch` (RFC 7386 partial update) is supplied. `expectedVersion` makes the write conditional: a positive value requires the record to be at exactly that version, and zero requires that no live record exists.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "$id": "https://trusttasks.org/spec/vta/app-state/put/1.0",
///  "title": "Payload",
///  "description": "Write one application-state record at its `(contextId, namespace, key)` address. Exactly one of `value` (whole-record replacement) or `mergePatch` (RFC 7386 partial update) is supplied. `expectedVersion` makes the write conditional: a positive value requires the record to be at exactly that version, and zero requires that no live record exists.",
///  "type": "object",
///  "oneOf": [
///    {
///      "not": {
///        "required": [
///          "mergePatch"
///        ]
///      },
///      "required": [
///        "value"
///      ]
///    },
///    {
///      "not": {
///        "required": [
///          "value"
///        ]
///      },
///      "required": [
///        "mergePatch"
///      ]
///    }
///  ],
///  "required": [
///    "contextId",
///    "key",
///    "namespace"
///  ],
///  "properties": {
///    "contextId": {
///      "description": "The VTA context the record is scoped to; the isolation boundary.",
///      "type": "string",
///      "minLength": 1
///    },
///    "expectedVersion": {
///      "description": "Optional precondition. Omit for a last-writer-wins upsert. Supply the version a prior read returned to make the write conditional; supply 0 to create only.",
///      "$ref": "#/definitions/ExpectedVersion"
///    },
///    "ext": {
///      "description": "Ecosystem-defined extension members per SPEC.md §4.5.1.",
///      "$ref": "#/definitions/Ext"
///    },
///    "key": {
///      "$ref": "#/definitions/Key"
///    },
///    "mergePatch": {
///      "description": "An RFC 7386 JSON Merge Patch applied to the record's current value. Cuts payload, and more usefully cuts conflicts: two instances editing different members of one record stop colliding entirely rather than serialising behind `expectedVersion`. Requires a live record at the address. Note RFC 7386's one sharp edge — a member set to `null` in the patch DELETES that member from the value, and there is no way to set a member to the JSON literal null through a patch; a writer that needs to do so must send a whole `value`. Mutually exclusive with `value`.",
///      "type": "object"
///    },
///    "namespace": {
///      "$ref": "#/definitions/Namespace"
///    },
///    "value": {
///      "description": "The complete new value, replacing whatever the record held. Any JSON value, including `null` — a present-and-null `value` stores the JSON literal null and is not the same as omitting the member. Mutually exclusive with `mergePatch`."
///    }
///  },
///  "additionalProperties": false
///}
/// ```
/// </details>
#[derive(::serde::Deserialize, ::serde::Serialize, Clone, Debug)]
#[serde(untagged, deny_unknown_fields)]
pub enum Payload {
    Variant0 {
        ///The VTA context the record is scoped to; the isolation boundary.
        #[serde(rename = "contextId")]
        context_id: PayloadVariant0ContextId,
        ///Optional precondition. Omit for a last-writer-wins upsert. Supply the version a prior read returned to make the write conditional; supply 0 to create only.
        #[serde(
            rename = "expectedVersion",
            default,
            skip_serializing_if = "::std::option::Option::is_none"
        )]
        expected_version: ::std::option::Option<ExpectedVersion>,
        ///Ecosystem-defined extension members per SPEC.md §4.5.1.
        #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
        ext: ::std::option::Option<Ext>,
        key: Key,
        namespace: Namespace,
        ///The complete new value, replacing whatever the record held. Any JSON value, including `null` — a present-and-null `value` stores the JSON literal null and is not the same as omitting the member. Mutually exclusive with `mergePatch`.
        value: ::serde_json::Value,
    },
    Variant1 {
        ///The VTA context the record is scoped to; the isolation boundary.
        #[serde(rename = "contextId")]
        context_id: PayloadVariant1ContextId,
        ///Optional precondition. Omit for a last-writer-wins upsert. Supply the version a prior read returned to make the write conditional; supply 0 to create only.
        #[serde(
            rename = "expectedVersion",
            default,
            skip_serializing_if = "::std::option::Option::is_none"
        )]
        expected_version: ::std::option::Option<ExpectedVersion>,
        ///Ecosystem-defined extension members per SPEC.md §4.5.1.
        #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
        ext: ::std::option::Option<Ext>,
        key: Key,
        ///An RFC 7386 JSON Merge Patch applied to the record's current value. Cuts payload, and more usefully cuts conflicts: two instances editing different members of one record stop colliding entirely rather than serialising behind `expectedVersion`. Requires a live record at the address. Note RFC 7386's one sharp edge — a member set to `null` in the patch DELETES that member from the value, and there is no way to set a member to the JSON literal null through a patch; a writer that needs to do so must send a whole `value`. Mutually exclusive with `value`.
        #[serde(rename = "mergePatch")]
        merge_patch: ::serde_json::Map<::std::string::String, ::serde_json::Value>,
        namespace: Namespace,
    },
}
///The VTA context the record is scoped to; the isolation boundary.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "description": "The VTA context the record is scoped to; the isolation boundary.",
///  "type": "string",
///  "minLength": 1
///}
/// ```
/// </details>
#[derive(::serde::Serialize, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[serde(transparent)]
pub struct PayloadVariant0ContextId(::std::string::String);
impl ::std::ops::Deref for PayloadVariant0ContextId {
    type Target = ::std::string::String;
    fn deref(&self) -> &::std::string::String {
        &self.0
    }
}
impl ::std::convert::From<PayloadVariant0ContextId> for ::std::string::String {
    fn from(value: PayloadVariant0ContextId) -> Self {
        value.0
    }
}
impl ::std::str::FromStr for PayloadVariant0ContextId {
    type Err = self::error::ConversionError;
    fn from_str(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        if value.chars().count() < 1usize {
            return Err("shorter than 1 characters".into());
        }
        Ok(Self(value.to_string()))
    }
}
impl ::std::convert::TryFrom<&str> for PayloadVariant0ContextId {
    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 PayloadVariant0ContextId {
    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 PayloadVariant0ContextId {
    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 PayloadVariant0ContextId {
    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())
            })
    }
}
///The VTA context the record is scoped to; the isolation boundary.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "description": "The VTA context the record is scoped to; the isolation boundary.",
///  "type": "string",
///  "minLength": 1
///}
/// ```
/// </details>
#[derive(::serde::Serialize, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[serde(transparent)]
pub struct PayloadVariant1ContextId(::std::string::String);
impl ::std::ops::Deref for PayloadVariant1ContextId {
    type Target = ::std::string::String;
    fn deref(&self) -> &::std::string::String {
        &self.0
    }
}
impl ::std::convert::From<PayloadVariant1ContextId> for ::std::string::String {
    fn from(value: PayloadVariant1ContextId) -> Self {
        value.0
    }
}
impl ::std::str::FromStr for PayloadVariant1ContextId {
    type Err = self::error::ConversionError;
    fn from_str(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        if value.chars().count() < 1usize {
            return Err("shorter than 1 characters".into());
        }
        Ok(Self(value.to_string()))
    }
}
impl ::std::convert::TryFrom<&str> for PayloadVariant1ContextId {
    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 PayloadVariant1ContextId {
    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 PayloadVariant1ContextId {
    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 PayloadVariant1ContextId {
    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())
            })
    }
}
///Success response to vta/app-state/put. Type https://trusttasks.org/spec/vta/app-state/put/1.0#response. A failed precondition is not a success: it is a trust-task-error carrying vta/app-state/put:versionConflict, whose details carry the maintainer's current version and value.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "title": "Response",
///  "description": "Success response to vta/app-state/put. Type https://trusttasks.org/spec/vta/app-state/put/1.0#response. A failed precondition is not a success: it is a trust-task-error carrying vta/app-state/put:versionConflict, whose details carry the maintainer's current version and value.",
///  "type": "object",
///  "required": [
///    "contextId",
///    "created",
///    "key",
///    "namespace",
///    "updatedAt",
///    "version"
///  ],
///  "properties": {
///    "contextId": {
///      "description": "Echoed from the request.",
///      "type": "string",
///      "minLength": 1
///    },
///    "created": {
///      "description": "True when no live record existed at the address beforehand — including when the address held a tombstone, since a tombstone is not a live record.",
///      "type": "boolean"
///    },
///    "ext": {
///      "description": "Ecosystem-defined extension members per SPEC.md §4.5.1.",
///      "$ref": "#/definitions/Ext"
///    },
///    "key": {
///      "$ref": "#/definitions/Key"
///    },
///    "namespace": {
///      "$ref": "#/definitions/Namespace"
///    },
///    "updatedAt": {
///      "description": "When the write was applied.",
///      "type": "string",
///      "format": "date-time"
///    },
///    "valueBytes": {
///      "description": "Size of the stored value in bytes as the maintainer measured it against its per-record cap. Lets a writer see how close it is to the limit before it hits it.",
///      "type": "integer",
///      "minimum": 0.0
///    },
///    "version": {
///      "description": "The version this write took. Supply it as `expectedVersion` on the next write to chain conditional updates without an intervening read.",
///      "$ref": "#/definitions/Version"
///    }
///  },
///  "additionalProperties": false,
///  "$anchor": "response"
///}
/// ```
/// </details>
#[derive(::serde::Deserialize, ::serde::Serialize, Clone, Debug)]
#[serde(deny_unknown_fields)]
pub struct Response {
    ///Echoed from the request.
    #[serde(rename = "contextId")]
    pub context_id: ResponseContextId,
    ///True when no live record existed at the address beforehand — including when the address held a tombstone, since a tombstone is not a live record.
    pub created: bool,
    ///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>,
    pub key: Key,
    pub namespace: Namespace,
    ///When the write was applied.
    #[serde(rename = "updatedAt")]
    pub updated_at: ::chrono::DateTime<::chrono::offset::Utc>,
    ///Size of the stored value in bytes as the maintainer measured it against its per-record cap. Lets a writer see how close it is to the limit before it hits it.
    #[serde(
        rename = "valueBytes",
        default,
        skip_serializing_if = "::std::option::Option::is_none"
    )]
    pub value_bytes: ::std::option::Option<u64>,
    ///The version this write took. Supply it as `expectedVersion` on the next write to chain conditional updates without an intervening read.
    pub version: Version,
}
///Echoed from the request.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "description": "Echoed from the request.",
///  "type": "string",
///  "minLength": 1
///}
/// ```
/// </details>
#[derive(::serde::Serialize, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[serde(transparent)]
pub struct ResponseContextId(::std::string::String);
impl ::std::ops::Deref for ResponseContextId {
    type Target = ::std::string::String;
    fn deref(&self) -> &::std::string::String {
        &self.0
    }
}
impl ::std::convert::From<ResponseContextId> for ::std::string::String {
    fn from(value: ResponseContextId) -> Self {
        value.0
    }
}
impl ::std::str::FromStr for ResponseContextId {
    type Err = self::error::ConversionError;
    fn from_str(value: &str) -> ::std::result::Result<Self, self::error::ConversionError> {
        if value.chars().count() < 1usize {
            return Err("shorter than 1 characters".into());
        }
        Ok(Self(value.to_string()))
    }
}
impl ::std::convert::TryFrom<&str> for ResponseContextId {
    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 ResponseContextId {
    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 ResponseContextId {
    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 ResponseContextId {
    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())
            })
    }
}
///A value of the namespace's monotonic write counter (see this schema's description). Server-assigned; a producer never chooses one.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "title": "Version",
///  "description": "A value of the namespace's monotonic write counter (see this schema's description). Server-assigned; a producer never chooses one.",
///  "type": "integer",
///  "minimum": 1.0
///}
/// ```
/// </details>
#[derive(::serde::Deserialize, ::serde::Serialize, Clone, Debug)]
#[serde(transparent)]
pub struct Version(pub ::std::num::NonZeroU64);
impl ::std::ops::Deref for Version {
    type Target = ::std::num::NonZeroU64;
    fn deref(&self) -> &::std::num::NonZeroU64 {
        &self.0
    }
}
impl ::std::convert::From<Version> for ::std::num::NonZeroU64 {
    fn from(value: Version) -> Self {
        value.0
    }
}
impl ::std::convert::From<::std::num::NonZeroU64> for Version {
    fn from(value: ::std::num::NonZeroU64) -> Self {
        Self(value)
    }
}
impl ::std::str::FromStr for Version {
    type Err = <::std::num::NonZeroU64 as ::std::str::FromStr>::Err;
    fn from_str(value: &str) -> ::std::result::Result<Self, Self::Err> {
        Ok(Self(value.parse()?))
    }
}
impl ::std::convert::TryFrom<&str> for Version {
    type Error = <::std::num::NonZeroU64 as ::std::str::FromStr>::Err;
    fn try_from(value: &str) -> ::std::result::Result<Self, Self::Error> {
        value.parse()
    }
}
impl ::std::convert::TryFrom<String> for Version {
    type Error = <::std::num::NonZeroU64 as ::std::str::FromStr>::Err;
    fn try_from(value: String) -> ::std::result::Result<Self, Self::Error> {
        value.parse()
    }
}
impl ::std::fmt::Display for Version {
    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
        self.0.fmt(f)
    }
}
impl crate::Payload for Payload {
    const TYPE_URI: &'static str = "https://trusttasks.org/spec/vta/app-state/put/1.0";
    const IS_PROOF_REQUIRED: bool = true;
    const IS_RECIPIENT_REQUIRED: bool = true;
    const PAYLOAD_SCHEMA: Option<&'static str> = Some(
        "{\n  \"$defs\": {\n    \"ExpectedVersion\": {\n      \"description\": \"Optimistic-concurrency precondition on a write. A positive value requires that the record's current `version` equals it exactly. Zero means \\\"create only\\\" — the write applies only if no LIVE record exists at the address, which is what makes lease acquisition safe: without it two instances can each read \\\"absent\\\", each write, and each believe it won. A tombstone is not a live record, so `expectedVersion: 0` succeeds over one; the created record takes the namespace's next counter value, which is necessarily greater than the tombstone's.\",\n      \"minimum\": 0,\n      \"title\": \"ExpectedVersion\",\n      \"type\": \"integer\"\n    },\n    \"Ext\": {\n      \"additionalProperties\": true,\n      \"description\": \"Vendor-namespaced extension object per SPEC.md §4.5.1. Each immediate key MUST be a reverse-DNS namespace; structure under each namespace is opaque to the framework.\",\n      \"minProperties\": 1,\n      \"propertyNames\": {\n        \"pattern\": \"^[a-z][a-z0-9-]*(\\\\.[a-z0-9-]+)+$\"\n      },\n      \"title\": \"Ext\",\n      \"type\": \"object\"\n    },\n    \"Key\": {\n      \"description\": \"Application-chosen identifier for a record within a namespace. Opaque to the maintainer: it MUST NOT be parsed, normalized, or case-folded, and prefix matching in `list` is a byte-prefix comparison over the UTF-8 encoding. Applications SHOULD use `/`-delimited hierarchical keys (`community/acme`, `contact/z6Mk…`) so that `prefix` can address a record family, but the delimiter is a convention between an application and itself — the maintainer attaches no meaning to it.\",\n      \"maxLength\": 512,\n      \"minLength\": 1,\n      \"pattern\": \"^[^\\\\u0000]+$\",\n      \"title\": \"Key\",\n      \"type\": \"string\"\n    },\n    \"Namespace\": {\n      \"description\": \"Scopes one application's records within a context, so several tools can share a context without colliding — `openvtc`, `cnm`, an agent runtime. The maintainer MUST NOT interpret the value; it is an opaque partition name. Namespaces are first-come and unreserved, so an application SHOULD pick a stable, specific one: a future per-namespace ACL would grant on this exact string, which makes renaming a namespace a migration rather than an edit.\",\n      \"maxLength\": 64,\n      \"minLength\": 1,\n      \"pattern\": \"^[a-z][a-z0-9]*(-[a-z0-9]+)*$\",\n      \"title\": \"Namespace\",\n      \"type\": \"string\"\n    },\n    \"Response\": {\n      \"$anchor\": \"response\",\n      \"additionalProperties\": false,\n      \"description\": \"Success response to vta/app-state/put. Type https://trusttasks.org/spec/vta/app-state/put/1.0#response. A failed precondition is not a success: it is a trust-task-error carrying vta/app-state/put:versionConflict, whose details carry the maintainer's current version and value.\",\n      \"properties\": {\n        \"contextId\": {\n          \"description\": \"Echoed from the request.\",\n          \"minLength\": 1,\n          \"type\": \"string\"\n        },\n        \"created\": {\n          \"description\": \"True when no live record existed at the address beforehand — including when the address held a tombstone, since a tombstone is not a live record.\",\n          \"type\": \"boolean\"\n        },\n        \"ext\": {\n          \"$ref\": \"#/$defs/Ext\",\n          \"description\": \"Ecosystem-defined extension members per SPEC.md §4.5.1.\"\n        },\n        \"key\": {\n          \"$ref\": \"#/$defs/Key\"\n        },\n        \"namespace\": {\n          \"$ref\": \"#/$defs/Namespace\"\n        },\n        \"updatedAt\": {\n          \"description\": \"When the write was applied.\",\n          \"format\": \"date-time\",\n          \"type\": \"string\"\n        },\n        \"valueBytes\": {\n          \"description\": \"Size of the stored value in bytes as the maintainer measured it against its per-record cap. Lets a writer see how close it is to the limit before it hits it.\",\n          \"minimum\": 0,\n          \"type\": \"integer\"\n        },\n        \"version\": {\n          \"$ref\": \"#/$defs/Version\",\n          \"description\": \"The version this write took. Supply it as `expectedVersion` on the next write to chain conditional updates without an intervening read.\"\n        }\n      },\n      \"required\": [\n        \"contextId\",\n        \"namespace\",\n        \"key\",\n        \"version\",\n        \"created\",\n        \"updatedAt\"\n      ],\n      \"title\": \"VTA Application State Put — response payload\",\n      \"type\": \"object\"\n    },\n    \"Version\": {\n      \"description\": \"A value of the namespace's monotonic write counter (see this schema's description). Server-assigned; a producer never chooses one.\",\n      \"minimum\": 1,\n      \"title\": \"Version\",\n      \"type\": \"integer\"\n    }\n  },\n  \"$id\": \"https://trusttasks.org/spec/vta/app-state/put/1.0\",\n  \"$schema\": \"https://json-schema.org/draft/2020-12/schema\",\n  \"additionalProperties\": false,\n  \"description\": \"Write one application-state record at its `(contextId, namespace, key)` address. Exactly one of `value` (whole-record replacement) or `mergePatch` (RFC 7386 partial update) is supplied. `expectedVersion` makes the write conditional: a positive value requires the record to be at exactly that version, and zero requires that no live record exists.\",\n  \"oneOf\": [\n    {\n      \"not\": {\n        \"required\": [\n          \"mergePatch\"\n        ]\n      },\n      \"required\": [\n        \"value\"\n      ]\n    },\n    {\n      \"not\": {\n        \"required\": [\n          \"value\"\n        ]\n      },\n      \"required\": [\n        \"mergePatch\"\n      ]\n    }\n  ],\n  \"properties\": {\n    \"contextId\": {\n      \"description\": \"The VTA context the record is scoped to; the isolation boundary.\",\n      \"minLength\": 1,\n      \"type\": \"string\"\n    },\n    \"expectedVersion\": {\n      \"$ref\": \"#/$defs/ExpectedVersion\",\n      \"description\": \"Optional precondition. Omit for a last-writer-wins upsert. Supply the version a prior read returned to make the write conditional; supply 0 to create only.\"\n    },\n    \"ext\": {\n      \"$ref\": \"#/$defs/Ext\",\n      \"description\": \"Ecosystem-defined extension members per SPEC.md §4.5.1.\"\n    },\n    \"key\": {\n      \"$ref\": \"#/$defs/Key\"\n    },\n    \"mergePatch\": {\n      \"description\": \"An RFC 7386 JSON Merge Patch applied to the record's current value. Cuts payload, and more usefully cuts conflicts: two instances editing different members of one record stop colliding entirely rather than serialising behind `expectedVersion`. Requires a live record at the address. Note RFC 7386's one sharp edge — a member set to `null` in the patch DELETES that member from the value, and there is no way to set a member to the JSON literal null through a patch; a writer that needs to do so must send a whole `value`. Mutually exclusive with `value`.\",\n      \"type\": \"object\"\n    },\n    \"namespace\": {\n      \"$ref\": \"#/$defs/Namespace\"\n    },\n    \"value\": {\n      \"description\": \"The complete new value, replacing whatever the record held. Any JSON value, including `null` — a present-and-null `value` stores the JSON literal null and is not the same as omitting the member. Mutually exclusive with `mergePatch`.\"\n    }\n  },\n  \"required\": [\n    \"contextId\",\n    \"namespace\",\n    \"key\"\n  ],\n  \"title\": \"VTA Application State Put — payload\",\n  \"type\": \"object\"\n}\n",
    );
}
impl crate::Payload for Response {
    const TYPE_URI: &'static str = "https://trusttasks.org/spec/vta/app-state/put/1.0#response";
    const IS_PROOF_REQUIRED: bool = true;
    const IS_RECIPIENT_REQUIRED: bool = true;
    const PAYLOAD_SCHEMA: Option<&'static str> = Some(
        "{\n  \"$defs\": {\n    \"ExpectedVersion\": {\n      \"description\": \"Optimistic-concurrency precondition on a write. A positive value requires that the record's current `version` equals it exactly. Zero means \\\"create only\\\" — the write applies only if no LIVE record exists at the address, which is what makes lease acquisition safe: without it two instances can each read \\\"absent\\\", each write, and each believe it won. A tombstone is not a live record, so `expectedVersion: 0` succeeds over one; the created record takes the namespace's next counter value, which is necessarily greater than the tombstone's.\",\n      \"minimum\": 0,\n      \"title\": \"ExpectedVersion\",\n      \"type\": \"integer\"\n    },\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-]+)+$\"\n      },\n      \"title\": \"Ext\",\n      \"type\": \"object\"\n    },\n    \"Key\": {\n      \"description\": \"Application-chosen identifier for a record within a namespace. Opaque to the maintainer: it MUST NOT be parsed, normalized, or case-folded, and prefix matching in `list` is a byte-prefix comparison over the UTF-8 encoding. Applications SHOULD use `/`-delimited hierarchical keys (`community/acme`, `contact/z6Mk…`) so that `prefix` can address a record family, but the delimiter is a convention between an application and itself — the maintainer attaches no meaning to it.\",\n      \"maxLength\": 512,\n      \"minLength\": 1,\n      \"pattern\": \"^[^\\\\u0000]+$\",\n      \"title\": \"Key\",\n      \"type\": \"string\"\n    },\n    \"Namespace\": {\n      \"description\": \"Scopes one application's records within a context, so several tools can share a context without colliding — `openvtc`, `cnm`, an agent runtime. The maintainer MUST NOT interpret the value; it is an opaque partition name. Namespaces are first-come and unreserved, so an application SHOULD pick a stable, specific one: a future per-namespace ACL would grant on this exact string, which makes renaming a namespace a migration rather than an edit.\",\n      \"maxLength\": 64,\n      \"minLength\": 1,\n      \"pattern\": \"^[a-z][a-z0-9]*(-[a-z0-9]+)*$\",\n      \"title\": \"Namespace\",\n      \"type\": \"string\"\n    },\n    \"Response\": {\n      \"$anchor\": \"response\",\n      \"additionalProperties\": false,\n      \"description\": \"Success response to vta/app-state/put. Type https://trusttasks.org/spec/vta/app-state/put/1.0#response. A failed precondition is not a success: it is a trust-task-error carrying vta/app-state/put:versionConflict, whose details carry the maintainer's current version and value.\",\n      \"properties\": {\n        \"contextId\": {\n          \"description\": \"Echoed from the request.\",\n          \"minLength\": 1,\n          \"type\": \"string\"\n        },\n        \"created\": {\n          \"description\": \"True when no live record existed at the address beforehand — including when the address held a tombstone, since a tombstone is not a live record.\",\n          \"type\": \"boolean\"\n        },\n        \"ext\": {\n          \"$ref\": \"#/$defs/Ext\",\n          \"description\": \"Ecosystem-defined extension members per SPEC.md §4.5.1.\"\n        },\n        \"key\": {\n          \"$ref\": \"#/$defs/Key\"\n        },\n        \"namespace\": {\n          \"$ref\": \"#/$defs/Namespace\"\n        },\n        \"updatedAt\": {\n          \"description\": \"When the write was applied.\",\n          \"format\": \"date-time\",\n          \"type\": \"string\"\n        },\n        \"valueBytes\": {\n          \"description\": \"Size of the stored value in bytes as the maintainer measured it against its per-record cap. Lets a writer see how close it is to the limit before it hits it.\",\n          \"minimum\": 0,\n          \"type\": \"integer\"\n        },\n        \"version\": {\n          \"$ref\": \"#/$defs/Version\",\n          \"description\": \"The version this write took. Supply it as `expectedVersion` on the next write to chain conditional updates without an intervening read.\"\n        }\n      },\n      \"required\": [\n        \"contextId\",\n        \"namespace\",\n        \"key\",\n        \"version\",\n        \"created\",\n        \"updatedAt\"\n      ],\n      \"title\": \"VTA Application State Put — response payload\",\n      \"type\": \"object\"\n    },\n    \"Version\": {\n      \"description\": \"A value of the namespace's monotonic write counter (see this schema's description). Server-assigned; a producer never chooses one.\",\n      \"minimum\": 1,\n      \"title\": \"Version\",\n      \"type\": \"integer\"\n    }\n  },\n  \"$ref\": \"#/$defs/Response\",\n  \"$schema\": \"https://json-schema.org/draft/2020-12/schema\"\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\": \"8c1e4a72-3b95-4d60-8a17-2f4c6e8b0d19\",\n  \"type\": \"https://trusttasks.org/spec/vta/app-state/put/1.0\",\n  \"issuer\": \"did:key:z6MkOpenVtcClient\",\n  \"recipient\": \"did:web:vta.example\",\n  \"issuedAt\": \"2026-08-22T10:00:00Z\",\n  \"payload\": {\n    \"contextId\": \"personal\",\n    \"namespace\": \"openvtc\",\n    \"key\": \"community/acme\",\n    \"value\": {\n      \"label\": \"Acme Engineering\",\n      \"joinedAt\": \"2026-07-02T14:10:00Z\",\n      \"role\": \"member\"\n    }\n  },\n  \"proof\": {\n    \"type\": \"DataIntegrityProof\",\n    \"cryptosuite\": \"eddsa-jcs-2022\",\n    \"created\": \"2026-08-22T10:00:00Z\",\n    \"verificationMethod\": \"did:key:z6MkOpenVtcClient#z6MkOpenVtcClient\",\n    \"proofPurpose\": \"assertionMethod\",\n    \"proofValue\": \"z3FXQ...\"\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 request_example_2() {
        const JSON: &str = "{\n  \"id\": \"9d2f5b83-4ca6-4e71-9b28-3a5d7f9c1e20\",\n  \"type\": \"https://trusttasks.org/spec/vta/app-state/put/1.0\",\n  \"issuer\": \"did:key:z6MkOpenVtcClient\",\n  \"recipient\": \"did:web:vta.example\",\n  \"issuedAt\": \"2026-08-22T10:01:00Z\",\n  \"payload\": {\n    \"contextId\": \"personal\",\n    \"namespace\": \"openvtc\",\n    \"key\": \"community/acme\",\n    \"expectedVersion\": 47,\n    \"value\": {\n      \"label\": \"Acme Engineering\",\n      \"joinedAt\": \"2026-07-02T14:10:00Z\",\n      \"role\": \"admin\"\n    }\n  },\n  \"proof\": {\n    \"type\": \"DataIntegrityProof\",\n    \"cryptosuite\": \"eddsa-jcs-2022\",\n    \"created\": \"2026-08-22T10:01:00Z\",\n    \"verificationMethod\": \"did:key:z6MkOpenVtcClient#z6MkOpenVtcClient\",\n    \"proofPurpose\": \"assertionMethod\",\n    \"proofValue\": \"z3FXQ...\"\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 request_example_3() {
        const JSON: &str = "{\n  \"id\": \"a3e06c94-5db7-4f82-ac39-4b6e80ad2f31\",\n  \"type\": \"https://trusttasks.org/spec/vta/app-state/put/1.0\",\n  \"issuer\": \"did:key:z6MkOpenVtcClient\",\n  \"recipient\": \"did:web:vta.example\",\n  \"issuedAt\": \"2026-08-22T10:02:00Z\",\n  \"payload\": {\n    \"contextId\": \"personal\",\n    \"namespace\": \"openvtc\",\n    \"key\": \"lease/reconcile\",\n    \"expectedVersion\": 0,\n    \"value\": {\n      \"holder\": \"did:key:z6MkOpenVtcClient\",\n      \"expiresAt\": \"2026-08-22T10:07:00Z\"\n    }\n  },\n  \"proof\": {\n    \"type\": \"DataIntegrityProof\",\n    \"cryptosuite\": \"eddsa-jcs-2022\",\n    \"created\": \"2026-08-22T10:02:00Z\",\n    \"verificationMethod\": \"did:key:z6MkOpenVtcClient#z6MkOpenVtcClient\",\n    \"proofPurpose\": \"assertionMethod\",\n    \"proofValue\": \"z3FXQ...\"\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 request_example_4() {
        const JSON: &str = "{\n  \"id\": \"b4f17da5-6ec8-4093-bd4a-5c7f91be3042\",\n  \"type\": \"https://trusttasks.org/spec/vta/app-state/put/1.0\",\n  \"issuer\": \"did:key:z6MkOpenVtcClient\",\n  \"recipient\": \"did:web:vta.example\",\n  \"issuedAt\": \"2026-08-22T10:03:00Z\",\n  \"payload\": {\n    \"contextId\": \"personal\",\n    \"namespace\": \"openvtc\",\n    \"key\": \"community/acme\",\n    \"mergePatch\": {\n      \"label\": \"Acme Engineering (EMEA)\",\n      \"role\": null\n    }\n  },\n  \"proof\": {\n    \"type\": \"DataIntegrityProof\",\n    \"cryptosuite\": \"eddsa-jcs-2022\",\n    \"created\": \"2026-08-22T10:03:00Z\",\n    \"verificationMethod\": \"did:key:z6MkOpenVtcClient#z6MkOpenVtcClient\",\n    \"proofPurpose\": \"assertionMethod\",\n    \"proofValue\": \"z3FXQ...\"\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\": \"c5028eb6-7fd9-41a4-ce5b-6d80a2cf4153\",\n  \"type\": \"https://trusttasks.org/spec/vta/app-state/put/1.0#response\",\n  \"issuer\": \"did:web:vta.example\",\n  \"recipient\": \"did:key:z6MkOpenVtcClient\",\n  \"issuedAt\": \"2026-08-22T10:01:01Z\",\n  \"threadId\": \"9d2f5b83-4ca6-4e71-9b28-3a5d7f9c1e20\",\n  \"payload\": {\n    \"contextId\": \"personal\",\n    \"namespace\": \"openvtc\",\n    \"key\": \"community/acme\",\n    \"version\": 52,\n    \"created\": false,\n    \"updatedAt\": \"2026-08-22T10:01:01Z\",\n    \"valueBytes\": 95\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");
    }
}