trust-tasks-rs 0.2.15

Reference Rust library for the Trust Tasks framework — transport-agnostic, JSON-based descriptions of verifiable work between parties.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
//! Generated by `trust-tasks-codegen` — do not edit by hand.
//!
//! Spec slug: `vta/webvh/dids/update`. 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())
        }
    }
}
///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())
            })
    }
}
///Ask a Verifiable Trust Agent to publish a new entry in a did:webvh log it holds the update key for. The agent decides whether to do so; the caller proposes.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "$id": "https://trusttasks.org/spec/vta/webvh/dids/update/1.0",
///  "title": "Payload",
///  "description": "Ask a Verifiable Trust Agent to publish a new entry in a did:webvh log it holds the update key for. The agent decides whether to do so; the caller proposes.",
///  "type": "object",
///  "required": [
///    "did"
///  ],
///  "properties": {
///    "did": {
///      "description": "The did:webvh being updated. The agent MUST verify it speaks for this subject.",
///      "type": "string",
///      "minLength": 1
///    },
///    "document": {
///      "description": "The new DID document. Omit to leave it unchanged. Supplying this ROTATES the DID's update key and refreshes its pre-rotation commitments, as a parallel consequence of the change — a consequence not visible anywhere in this payload, because it lives in the executing handler's semantics. A consent surface MUST therefore render effects the executor computed, and MUST NOT derive them from this document.",
///      "type": "object"
///    },
///    "expectedVersionId": {
///      "description": "Optimistic-concurrency precondition: the versionId the caller based this edit on. The agent MUST refuse the update if the DID's latest entry no longer matches. Without it a `get -> edit -> save` cycle silently overwrites a concurrent edit with a chain that is structurally valid, verifies perfectly, and is based on a stale read. Where a human approves the update the window is minutes wide, so this is a routine race rather than an exotic one. OPTIONAL because a scripted caller with no concurrent writers has nothing to protect against; not optional for anything a person looked at.",
///      "type": "string",
///      "minLength": 1
///    },
///    "ext": {
///      "$ref": "#/definitions/Ext"
///    },
///    "label": {
///      "description": "Operator-facing audit label.",
///      "type": "string"
///    },
///    "preRotationCount": {
///      "description": "Number of pre-rotation commitments to publish. Omit to keep the current count; `0` disables pre-rotation going forward.",
///      "type": "integer",
///      "minimum": 0.0
///    },
///    "ttl": {
///      "description": "New TTL in seconds. Omit to keep the current value.",
///      "type": "integer",
///      "minimum": 0.0
///    },
///    "watchers": {
///      "description": "New watcher URLs. Omit to keep the current set; an empty array removes them.",
///      "type": "array",
///      "items": {
///        "type": "string"
///      }
///    },
///    "witnesses": {
///      "description": "New witness configuration. Omit to keep the current one."
///    }
///  },
///  "additionalProperties": false
///}
/// ```
/// </details>
#[derive(::serde::Deserialize, ::serde::Serialize, Clone, Debug)]
#[serde(deny_unknown_fields)]
pub struct Payload {
    ///The did:webvh being updated. The agent MUST verify it speaks for this subject.
    pub did: PayloadDid,
    ///The new DID document. Omit to leave it unchanged. Supplying this ROTATES the DID's update key and refreshes its pre-rotation commitments, as a parallel consequence of the change — a consequence not visible anywhere in this payload, because it lives in the executing handler's semantics. A consent surface MUST therefore render effects the executor computed, and MUST NOT derive them from this document.
    #[serde(default, skip_serializing_if = "::serde_json::Map::is_empty")]
    pub document: ::serde_json::Map<::std::string::String, ::serde_json::Value>,
    ///Optimistic-concurrency precondition: the versionId the caller based this edit on. The agent MUST refuse the update if the DID's latest entry no longer matches. Without it a `get -> edit -> save` cycle silently overwrites a concurrent edit with a chain that is structurally valid, verifies perfectly, and is based on a stale read. Where a human approves the update the window is minutes wide, so this is a routine race rather than an exotic one. OPTIONAL because a scripted caller with no concurrent writers has nothing to protect against; not optional for anything a person looked at.
    #[serde(
        rename = "expectedVersionId",
        default,
        skip_serializing_if = "::std::option::Option::is_none"
    )]
    pub expected_version_id: ::std::option::Option<PayloadExpectedVersionId>,
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub ext: ::std::option::Option<Ext>,
    ///Operator-facing audit label.
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub label: ::std::option::Option<::std::string::String>,
    ///Number of pre-rotation commitments to publish. Omit to keep the current count; `0` disables pre-rotation going forward.
    #[serde(
        rename = "preRotationCount",
        default,
        skip_serializing_if = "::std::option::Option::is_none"
    )]
    pub pre_rotation_count: ::std::option::Option<u64>,
    ///New TTL in seconds. Omit to keep the current value.
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub ttl: ::std::option::Option<u64>,
    ///New watcher URLs. Omit to keep the current set; an empty array removes them.
    #[serde(default, skip_serializing_if = "::std::vec::Vec::is_empty")]
    pub watchers: ::std::vec::Vec<::std::string::String>,
    ///New witness configuration. Omit to keep the current one.
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub witnesses: ::std::option::Option<::serde_json::Value>,
}
///The did:webvh being updated. The agent MUST verify it speaks for this subject.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "description": "The did:webvh being updated. The agent MUST verify it speaks for this subject.",
///  "type": "string",
///  "minLength": 1
///}
/// ```
/// </details>
#[derive(::serde::Serialize, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[serde(transparent)]
pub struct PayloadDid(::std::string::String);
impl ::std::ops::Deref for PayloadDid {
    type Target = ::std::string::String;
    fn deref(&self) -> &::std::string::String {
        &self.0
    }
}
impl ::std::convert::From<PayloadDid> for ::std::string::String {
    fn from(value: PayloadDid) -> Self {
        value.0
    }
}
impl ::std::str::FromStr for PayloadDid {
    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 PayloadDid {
    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 PayloadDid {
    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 PayloadDid {
    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 PayloadDid {
    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())
            })
    }
}
///Optimistic-concurrency precondition: the versionId the caller based this edit on. The agent MUST refuse the update if the DID's latest entry no longer matches. Without it a `get -> edit -> save` cycle silently overwrites a concurrent edit with a chain that is structurally valid, verifies perfectly, and is based on a stale read. Where a human approves the update the window is minutes wide, so this is a routine race rather than an exotic one. OPTIONAL because a scripted caller with no concurrent writers has nothing to protect against; not optional for anything a person looked at.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "description": "Optimistic-concurrency precondition: the versionId the caller based this edit on. The agent MUST refuse the update if the DID's latest entry no longer matches. Without it a `get -> edit -> save` cycle silently overwrites a concurrent edit with a chain that is structurally valid, verifies perfectly, and is based on a stale read. Where a human approves the update the window is minutes wide, so this is a routine race rather than an exotic one. OPTIONAL because a scripted caller with no concurrent writers has nothing to protect against; not optional for anything a person looked at.",
///  "type": "string",
///  "minLength": 1
///}
/// ```
/// </details>
#[derive(::serde::Serialize, Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[serde(transparent)]
pub struct PayloadExpectedVersionId(::std::string::String);
impl ::std::ops::Deref for PayloadExpectedVersionId {
    type Target = ::std::string::String;
    fn deref(&self) -> &::std::string::String {
        &self.0
    }
}
impl ::std::convert::From<PayloadExpectedVersionId> for ::std::string::String {
    fn from(value: PayloadExpectedVersionId) -> Self {
        value.0
    }
}
impl ::std::str::FromStr for PayloadExpectedVersionId {
    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 PayloadExpectedVersionId {
    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 PayloadExpectedVersionId {
    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 PayloadExpectedVersionId {
    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 PayloadExpectedVersionId {
    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 published entry. camelCase per the framework convention — note the counts are the state AFTER the update, including the rotation the caller did not ask for.
///
/// <details><summary>JSON schema</summary>
///
/// ```json
///{
///  "title": "Response",
///  "description": "The published entry. camelCase per the framework convention — note the counts are the state AFTER the update, including the rotation the caller did not ask for.",
///  "type": "object",
///  "required": [
///    "did",
///    "newVersionId"
///  ],
///  "properties": {
///    "did": {
///      "type": "string"
///    },
///    "ext": {
///      "$ref": "#/definitions/Ext"
///    },
///    "newLogEntry": {
///      "description": "The appended log entry, as JSON text.",
///      "type": "string"
///    },
///    "newScid": {
///      "type": "string"
///    },
///    "newVersionId": {
///      "description": "versionId of the entry just appended. A caller intending a further edit SHOULD pass this back as the next request's `expectedVersionId`.",
///      "type": "string"
///    },
///    "preRotationKeyCount": {
///      "description": "Pre-rotation commitments published by this entry.",
///      "type": "integer",
///      "minimum": 0.0
///    },
///    "serverless": {
///      "description": "True when the agent holds the log itself and no hosting server was published to — the operator must fetch and redeploy `did.jsonl`.",
///      "type": "boolean"
///    },
///    "updateKeysCount": {
///      "description": "Update keys authorized AFTER this entry. Where `document` was supplied these are new keys — the previous ones no longer authorize anything.",
///      "type": "integer",
///      "minimum": 0.0
///    }
///  },
///  "additionalProperties": false,
///  "$anchor": "response"
///}
/// ```
/// </details>
#[derive(::serde::Deserialize, ::serde::Serialize, Clone, Debug)]
#[serde(deny_unknown_fields)]
pub struct Response {
    pub did: ::std::string::String,
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub ext: ::std::option::Option<Ext>,
    ///The appended log entry, as JSON text.
    #[serde(
        rename = "newLogEntry",
        default,
        skip_serializing_if = "::std::option::Option::is_none"
    )]
    pub new_log_entry: ::std::option::Option<::std::string::String>,
    #[serde(
        rename = "newScid",
        default,
        skip_serializing_if = "::std::option::Option::is_none"
    )]
    pub new_scid: ::std::option::Option<::std::string::String>,
    ///versionId of the entry just appended. A caller intending a further edit SHOULD pass this back as the next request's `expectedVersionId`.
    #[serde(rename = "newVersionId")]
    pub new_version_id: ::std::string::String,
    ///Pre-rotation commitments published by this entry.
    #[serde(
        rename = "preRotationKeyCount",
        default,
        skip_serializing_if = "::std::option::Option::is_none"
    )]
    pub pre_rotation_key_count: ::std::option::Option<u64>,
    ///True when the agent holds the log itself and no hosting server was published to — the operator must fetch and redeploy `did.jsonl`.
    #[serde(default, skip_serializing_if = "::std::option::Option::is_none")]
    pub serverless: ::std::option::Option<bool>,
    ///Update keys authorized AFTER this entry. Where `document` was supplied these are new keys — the previous ones no longer authorize anything.
    #[serde(
        rename = "updateKeysCount",
        default,
        skip_serializing_if = "::std::option::Option::is_none"
    )]
    pub update_keys_count: ::std::option::Option<u64>,
}
impl crate::Payload for Payload {
    const TYPE_URI: &'static str = "https://trusttasks.org/spec/vta/webvh/dids/update/1.0";
    const IS_PROOF_REQUIRED: bool = true;
    const IS_RECIPIENT_REQUIRED: bool = true;
}
impl crate::Payload for Response {
    const TYPE_URI: &'static str = "https://trusttasks.org/spec/vta/webvh/dids/update/1.0#response";
    const IS_PROOF_REQUIRED: bool = true;
    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      \"$anchor\": \"response\",\n      \"additionalProperties\": false,\n      \"description\": \"The published entry. camelCase per the framework convention — note the counts are the state AFTER the update, including the rotation the caller did not ask for.\",\n      \"properties\": {\n        \"did\": {\n          \"type\": \"string\"\n        },\n        \"ext\": {\n          \"$ref\": \"#/$defs/Ext\"\n        },\n        \"newLogEntry\": {\n          \"description\": \"The appended log entry, as JSON text.\",\n          \"type\": \"string\"\n        },\n        \"newScid\": {\n          \"type\": \"string\"\n        },\n        \"newVersionId\": {\n          \"description\": \"versionId of the entry just appended. A caller intending a further edit SHOULD pass this back as the next request's `expectedVersionId`.\",\n          \"type\": \"string\"\n        },\n        \"preRotationKeyCount\": {\n          \"description\": \"Pre-rotation commitments published by this entry.\",\n          \"minimum\": 0,\n          \"type\": \"integer\"\n        },\n        \"serverless\": {\n          \"description\": \"True when the agent holds the log itself and no hosting server was published to — the operator must fetch and redeploy `did.jsonl`.\",\n          \"type\": \"boolean\"\n        },\n        \"updateKeysCount\": {\n          \"description\": \"Update keys authorized AFTER this entry. Where `document` was supplied these are new keys — the previous ones no longer authorize anything.\",\n          \"minimum\": 0,\n          \"type\": \"integer\"\n        }\n      },\n      \"required\": [\n        \"did\",\n        \"newVersionId\"\n      ],\n      \"title\": \"WebVH DID Update — response payload\",\n      \"type\": \"object\"\n    }\n  },\n  \"$id\": \"https://trusttasks.org/spec/vta/webvh/dids/update/1.0\",\n  \"$schema\": \"https://json-schema.org/draft/2020-12/schema\",\n  \"additionalProperties\": false,\n  \"description\": \"Ask a Verifiable Trust Agent to publish a new entry in a did:webvh log it holds the update key for. The agent decides whether to do so; the caller proposes.\",\n  \"properties\": {\n    \"did\": {\n      \"description\": \"The did:webvh being updated. The agent MUST verify it speaks for this subject.\",\n      \"minLength\": 1,\n      \"type\": \"string\"\n    },\n    \"document\": {\n      \"description\": \"The new DID document. Omit to leave it unchanged. Supplying this ROTATES the DID's update key and refreshes its pre-rotation commitments, as a parallel consequence of the change — a consequence not visible anywhere in this payload, because it lives in the executing handler's semantics. A consent surface MUST therefore render effects the executor computed, and MUST NOT derive them from this document.\",\n      \"type\": \"object\"\n    },\n    \"expectedVersionId\": {\n      \"description\": \"Optimistic-concurrency precondition: the versionId the caller based this edit on. The agent MUST refuse the update if the DID's latest entry no longer matches. Without it a `get -> edit -> save` cycle silently overwrites a concurrent edit with a chain that is structurally valid, verifies perfectly, and is based on a stale read. Where a human approves the update the window is minutes wide, so this is a routine race rather than an exotic one. OPTIONAL because a scripted caller with no concurrent writers has nothing to protect against; not optional for anything a person looked at.\",\n      \"minLength\": 1,\n      \"type\": \"string\"\n    },\n    \"ext\": {\n      \"$ref\": \"#/$defs/Ext\"\n    },\n    \"label\": {\n      \"description\": \"Operator-facing audit label.\",\n      \"type\": \"string\"\n    },\n    \"preRotationCount\": {\n      \"description\": \"Number of pre-rotation commitments to publish. Omit to keep the current count; `0` disables pre-rotation going forward.\",\n      \"minimum\": 0,\n      \"type\": \"integer\"\n    },\n    \"ttl\": {\n      \"description\": \"New TTL in seconds. Omit to keep the current value.\",\n      \"minimum\": 0,\n      \"type\": \"integer\"\n    },\n    \"watchers\": {\n      \"description\": \"New watcher URLs. Omit to keep the current set; an empty array removes them.\",\n      \"items\": {\n        \"type\": \"string\"\n      },\n      \"type\": \"array\"\n    },\n    \"witnesses\": {\n      \"description\": \"New witness configuration. Omit to keep the current one.\"\n    }\n  },\n  \"required\": [\n    \"did\"\n  ],\n  \"title\": \"WebVH DID Update — 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\": \"urn:uuid:2f7c1a90-4b6e-4d21-9a55-1c3e8b7d0f42\",\n  \"type\": \"https://trusttasks.org/spec/vta/webvh/dids/update/1.0\",\n  \"issuer\": \"did:key:z6MkCallerExample\",\n  \"recipient\": \"did:key:z6MkAgentExample\",\n  \"issuedAt\": \"2026-07-14T10:12:00Z\",\n  \"payload\": {\n    \"did\": \"did:webvh:QmSCIDExample:example.com:acme\",\n    \"document\": {\n      \"@context\": [\"https://www.w3.org/ns/did/v1\"],\n      \"id\": \"did:webvh:QmSCIDExample:example.com:acme\",\n      \"service\": [\n        {\n          \"id\": \"#files\",\n          \"type\": \"FileStore\",\n          \"serviceEndpoint\": \"https://files.example.com/acme\"\n        }\n      ]\n    },\n    \"expectedVersionId\": \"3-QmPriorEntryHashExample\",\n    \"label\": \"add file store\"\n  },\n  \"proof\": {\n    \"type\": \"DataIntegrityProof\",\n    \"cryptosuite\": \"eddsa-jcs-2022\",\n    \"created\": \"2026-07-14T10:12:00Z\",\n    \"verificationMethod\": \"did:key:z6MkCallerExample#z6MkCallerExample\",\n    \"proofPurpose\": \"assertionMethod\",\n    \"proofValue\": \"z4Xq7WExampleProofValueForWebvhUpdateRequest\"\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\": \"urn:uuid:8d1b6e34-7f92-4c05-b3a1-6e0d29c4f8b7\",\n  \"type\": \"https://trusttasks.org/spec/vta/webvh/dids/update/1.0#response\",\n  \"issuer\": \"did:key:z6MkAgentExample\",\n  \"recipient\": \"did:key:z6MkCallerExample\",\n  \"issuedAt\": \"2026-07-14T10:12:04Z\",\n  \"payload\": {\n    \"did\": \"did:webvh:QmSCIDExample:example.com:acme\",\n    \"newVersionId\": \"4-QmNewEntryHashExample\",\n    \"updateKeysCount\": 1,\n    \"preRotationKeyCount\": 2\n  },\n  \"proof\": {\n    \"type\": \"DataIntegrityProof\",\n    \"cryptosuite\": \"eddsa-jcs-2022\",\n    \"created\": \"2026-07-14T10:12:04Z\",\n    \"verificationMethod\": \"did:key:z6MkAgentExample#z6MkAgentExample\",\n    \"proofPurpose\": \"assertionMethod\",\n    \"proofValue\": \"z9LmTpExampleProofValueForWebvhUpdateResponse\"\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");
    }
    /// Each fixture in `payload.invalid-examples.json` MUST be
    /// rejected by at least one of: serde deserialization, or
    /// JSON-Schema validation under the `validate` feature. The
    /// fixture file documents the producer-side bug class that
    /// each payload exemplifies; this generated test pins it.
    #[cfg(feature = "validate")]
    #[test]
    fn rejects_invalid_examples() {
        use crate::validate::ValidatedPayload;
        let fixtures: &[(&str, &str)] = &[
            (
                "Missing the subject. Without `did` there is nothing to update.",
                "{\n  \"document\": {\n    \"id\": \"did:webvh:QmSCIDExample:example.com:acme\"\n  }\n}",
            ),
            (
                "The concurrency precondition in the wrong case. THIS is the one that matters: an implementation that silently ignores it publishes with no lost-update protection at all, while the caller's own source reads as though the danger were handled. A closed schema rejects it; a permissive one drops it without a word.",
                "{\n  \"did\": \"did:webvh:QmSCIDExample:example.com:acme\",\n  \"expected_version_id\": \"3-QmPriorEntryHashExample\"\n}",
            ),
            (
                "An unrecognised member. Not harmless — a payload member the consumer ignores is a member the caller believes it sent.",
                "{\n  \"did\": \"did:webvh:QmSCIDExample:example.com:acme\",\n  \"skipApproval\": true\n}",
            ),
            (
                "preRotationCount must be a non-negative integer.",
                "{\n  \"did\": \"did:webvh:QmSCIDExample:example.com:acme\",\n  \"preRotationCount\": -1\n}",
            ),
            (
                "watchers must be strings.",
                "{\n  \"did\": \"did:webvh:QmSCIDExample:example.com:acme\",\n  \"watchers\": [\n    {\n      \"url\": \"https://watcher.example.com\"\n    }\n  ]\n}",
            ),
            (
                "An empty expectedVersionId is not a version; it is a caller that meant to pin and did not.",
                "{\n  \"did\": \"did:webvh:QmSCIDExample:example.com:acme\",\n  \"expectedVersionId\": \"\"\n}",
            ),
            (
                "The document must be an object.",
                "{\n  \"did\": \"did:webvh:QmSCIDExample:example.com:acme\",\n  \"document\": \"did:webvh:QmSCIDExample:example.com:acme\"\n}",
            ),
        ];
        for (i, (note, raw)) in fixtures.iter().enumerate() {
            let value: serde_json::Value = match serde_json::from_str(raw) {
                Ok(v) => v,
                Err(_) => continue,
            };
            let serde_ok = serde_json::from_value::<super::Payload>(value.clone()).is_ok();
            let schema_ok = super::Payload::validate_value(&value).is_ok();
            assert!(
                !(serde_ok && schema_ok),
                "invalid-example #{} ({:?}) was accepted by both serde and JSON Schema; \
                         the fixture's stated failure class is no longer caught:\n{}",
                i + 1,
                note,
                raw
            );
        }
    }
}