ZY-TAKEOVER-SNAPSHOT 20260815: 铸渊接管前现场冻结(Codex 未提交改动全部入册)· 冰朔面谕接管+可回退

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冰朔 2026-08-15 15:02:35 +08:00
commit ffed065841
22 changed files with 4293 additions and 567 deletions

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// SPDX-License-Identifier: AGPL-3.0-or-later
use ring::digest::{digest, SHA256};
use rusqlite::{params, Connection, OptionalExtension, Transaction, TransactionBehavior};
use serde::{Deserialize, Serialize};
use std::fs;
use std::path::{Path, PathBuf};
use std::time::{Duration, SystemTime, UNIX_EPOCH};
use tauri::{AppHandle, Manager};
use uuid::Uuid;
const KERNEL_SCHEMA: &str = "hololake.personal-channel-kernel/v1";
const DATABASE_SCHEMA_VERSION: i64 = 1;
const ZERO_HASH: &str = "0000000000000000000000000000000000000000000000000000000000000000";
#[derive(Clone, Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct InitializePersonalChannelInput {
pub display_name: String,
}
#[derive(Clone, Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct CreatePersonalChannelTaskInput {
pub title: String,
pub purpose: String,
}
#[derive(Clone, Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct TransitionPersonalChannelTaskInput {
pub task_id: String,
pub expected_status: String,
pub next_status: String,
}
#[derive(Clone, Debug, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct PersonalChannelIdentity {
pub human_subject_id: String,
pub display_name: String,
pub channel_id: String,
pub created_at_unix_ms: i64,
}
#[derive(Clone, Debug, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct PersonalChannelTask {
pub task_id: String,
pub title: String,
pub purpose: String,
pub status: String,
pub created_at_unix_ms: i64,
pub updated_at_unix_ms: i64,
}
#[derive(Clone, Debug, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct PersonalChannelEventProjection {
pub sequence: i64,
pub event_id: String,
pub kind: String,
pub task_id: Option<String>,
pub summary: String,
pub occurred_at_unix_ms: i64,
pub event_hash: String,
pub receipt_id: String,
pub receipt_hash: String,
}
#[derive(Clone, Debug, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct PersonalChannelIntegrity {
pub state: &'static str,
pub schema_version: i64,
pub event_count: i64,
pub receipt_count: i64,
pub last_event_hash: String,
pub last_receipt_hash: String,
}
#[derive(Clone, Debug, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct PersonalChannelSnapshot {
pub schema: &'static str,
pub state: &'static str,
pub identity: Option<PersonalChannelIdentity>,
pub current_task: Option<PersonalChannelTask>,
pub recent_events: Vec<PersonalChannelEventProjection>,
pub integrity: PersonalChannelIntegrity,
pub storage: &'static str,
pub authority: &'static str,
}
#[derive(Serialize)]
struct EventHashPayload<'a> {
schema: &'static str,
sequence: i64,
event_id: &'a str,
human_subject_id: &'a str,
kind: &'a str,
task_id: Option<&'a str>,
summary: &'a str,
occurred_at_unix_ms: i64,
}
#[tauri::command]
pub async fn get_personal_channel_snapshot(
app: AppHandle,
) -> Result<PersonalChannelSnapshot, String> {
let database = personal_channel_database(&app)?;
tauri::async_runtime::spawn_blocking(move || snapshot_at(&database))
.await
.map_err(|error| format!("HOLOLAKE_PERSONAL_CHANNEL_JOIN_FAILED: {error}"))?
}
#[tauri::command]
pub async fn initialize_personal_channel(
app: AppHandle,
input: InitializePersonalChannelInput,
) -> Result<PersonalChannelSnapshot, String> {
let database = personal_channel_database(&app)?;
tauri::async_runtime::spawn_blocking(move || initialize_at(&database, input))
.await
.map_err(|error| format!("HOLOLAKE_PERSONAL_CHANNEL_JOIN_FAILED: {error}"))?
}
#[tauri::command]
pub async fn create_personal_channel_task(
app: AppHandle,
input: CreatePersonalChannelTaskInput,
) -> Result<PersonalChannelSnapshot, String> {
let database = personal_channel_database(&app)?;
tauri::async_runtime::spawn_blocking(move || create_task_at(&database, input))
.await
.map_err(|error| format!("HOLOLAKE_PERSONAL_CHANNEL_JOIN_FAILED: {error}"))?
}
#[tauri::command]
pub async fn transition_personal_channel_task(
app: AppHandle,
input: TransitionPersonalChannelTaskInput,
) -> Result<PersonalChannelSnapshot, String> {
let database = personal_channel_database(&app)?;
tauri::async_runtime::spawn_blocking(move || transition_task_at(&database, input))
.await
.map_err(|error| format!("HOLOLAKE_PERSONAL_CHANNEL_JOIN_FAILED: {error}"))?
}
fn personal_channel_database(app: &AppHandle) -> Result<PathBuf, String> {
let app_data = app
.path()
.app_data_dir()
.map_err(|error| format!("HOLOLAKE_APP_DATA_UNAVAILABLE: {error}"))?;
let root = app_data.join("personal-channel-v1");
create_private_directory(&root)?;
Ok(root.join("personal-channel.sqlite3"))
}
fn create_private_directory(path: &Path) -> Result<(), String> {
fs::create_dir_all(path)
.map_err(|error| format!("HOLOLAKE_PERSONAL_CHANNEL_STORAGE_UNAVAILABLE: {error}"))?;
#[cfg(unix)]
{
use std::os::unix::fs::PermissionsExt;
fs::set_permissions(path, fs::Permissions::from_mode(0o700)).map_err(|error| {
format!("HOLOLAKE_PERSONAL_CHANNEL_STORAGE_PERMISSION_FAILED: {error}")
})?;
}
Ok(())
}
fn open_database(path: &Path) -> Result<Connection, String> {
if let Some(parent) = path.parent() {
create_private_directory(parent)?;
}
let connection = Connection::open(path)
.map_err(|error| format!("HOLOLAKE_PERSONAL_CHANNEL_DATABASE_UNAVAILABLE: {error}"))?;
connection
.busy_timeout(Duration::from_secs(5))
.map_err(|error| format!("HOLOLAKE_PERSONAL_CHANNEL_DATABASE_UNAVAILABLE: {error}"))?;
connection
.execute_batch(
"PRAGMA foreign_keys = ON;
PRAGMA journal_mode = DELETE;
PRAGMA synchronous = FULL;
PRAGMA trusted_schema = OFF;
CREATE TABLE IF NOT EXISTS kernel_meta (
key TEXT PRIMARY KEY NOT NULL,
value TEXT NOT NULL
);
INSERT OR IGNORE INTO kernel_meta(key, value) VALUES ('schema_version', '1');
CREATE TABLE IF NOT EXISTS identities (
singleton INTEGER PRIMARY KEY CHECK(singleton = 1),
human_subject_id TEXT NOT NULL UNIQUE,
display_name TEXT NOT NULL,
channel_id TEXT NOT NULL UNIQUE,
created_at_unix_ms INTEGER NOT NULL
);
CREATE TABLE IF NOT EXISTS tasks (
task_id TEXT PRIMARY KEY NOT NULL,
human_subject_id TEXT NOT NULL,
title TEXT NOT NULL,
purpose TEXT NOT NULL,
status TEXT NOT NULL CHECK(status IN ('ACTIVE', 'COMPLETED')),
created_at_unix_ms INTEGER NOT NULL,
updated_at_unix_ms INTEGER NOT NULL
);
CREATE UNIQUE INDEX IF NOT EXISTS one_active_personal_task
ON tasks(status) WHERE status = 'ACTIVE';
CREATE TABLE IF NOT EXISTS events (
sequence INTEGER PRIMARY KEY NOT NULL,
event_id TEXT NOT NULL UNIQUE,
human_subject_id TEXT NOT NULL,
kind TEXT NOT NULL,
task_id TEXT,
summary TEXT NOT NULL,
occurred_at_unix_ms INTEGER NOT NULL,
previous_event_hash TEXT NOT NULL,
payload_sha256 TEXT NOT NULL,
event_hash TEXT NOT NULL UNIQUE
);
CREATE TABLE IF NOT EXISTS receipts (
sequence INTEGER PRIMARY KEY NOT NULL,
receipt_id TEXT NOT NULL UNIQUE,
event_sequence INTEGER NOT NULL UNIQUE REFERENCES events(sequence),
event_hash TEXT NOT NULL,
payload_sha256 TEXT NOT NULL,
previous_receipt_hash TEXT NOT NULL,
receipt_hash TEXT NOT NULL UNIQUE,
issued_at_unix_ms INTEGER NOT NULL
);",
)
.map_err(|error| format!("HOLOLAKE_PERSONAL_CHANNEL_SCHEMA_INVALID: {error}"))?;
#[cfg(unix)]
{
use std::os::unix::fs::PermissionsExt;
fs::set_permissions(path, fs::Permissions::from_mode(0o600)).map_err(|error| {
format!("HOLOLAKE_PERSONAL_CHANNEL_STORAGE_PERMISSION_FAILED: {error}")
})?;
}
let version: String = connection
.query_row(
"SELECT value FROM kernel_meta WHERE key = 'schema_version'",
[],
|row| row.get(0),
)
.map_err(|error| format!("HOLOLAKE_PERSONAL_CHANNEL_SCHEMA_INVALID: {error}"))?;
if version != DATABASE_SCHEMA_VERSION.to_string() {
return Err("HOLOLAKE_PERSONAL_CHANNEL_SCHEMA_UNSUPPORTED".into());
}
Ok(connection)
}
fn initialize_at(
database: &Path,
input: InitializePersonalChannelInput,
) -> Result<PersonalChannelSnapshot, String> {
let display_name = validated_text(&input.display_name, 80, "DISPLAY_NAME")?;
let mut connection = open_database(database)?;
verify_integrity(&connection)?;
let transaction = connection
.transaction_with_behavior(TransactionBehavior::Immediate)
.map_err(database_write_error)?;
let already_initialized: bool = transaction
.query_row(
"SELECT EXISTS(SELECT 1 FROM identities WHERE singleton = 1)",
[],
|row| row.get(0),
)
.map_err(database_read_error)?;
if already_initialized {
return Err("HOLOLAKE_PERSONAL_CHANNEL_ALREADY_INITIALIZED".into());
}
let human_subject_id = format!("human-local-{}", Uuid::new_v4());
let channel_id = format!("channel-local-{}", Uuid::new_v4());
let created_at = now_unix_ms()?;
transaction
.execute(
"INSERT INTO identities(singleton, human_subject_id, display_name, channel_id, created_at_unix_ms)
VALUES(1, ?1, ?2, ?3, ?4)",
params![human_subject_id, display_name, channel_id, created_at],
)
.map_err(database_write_error)?;
append_event(
&transaction,
&human_subject_id,
"CHANNEL_INITIALIZED",
None,
&format!("{display_name} 建立了个人频道"),
created_at,
)?;
transaction.commit().map_err(database_write_error)?;
snapshot_at(database)
}
fn create_task_at(
database: &Path,
input: CreatePersonalChannelTaskInput,
) -> Result<PersonalChannelSnapshot, String> {
let title = validated_text(&input.title, 160, "TASK_TITLE")?;
let purpose = validated_text(&input.purpose, 1_000, "TASK_PURPOSE")?;
let mut connection = open_database(database)?;
verify_integrity(&connection)?;
let transaction = connection
.transaction_with_behavior(TransactionBehavior::Immediate)
.map_err(database_write_error)?;
let human_subject_id = require_identity_id(&transaction)?;
let active_exists: bool = transaction
.query_row(
"SELECT EXISTS(SELECT 1 FROM tasks WHERE status = 'ACTIVE')",
[],
|row| row.get(0),
)
.map_err(database_read_error)?;
if active_exists {
return Err("HOLOLAKE_PERSONAL_CHANNEL_ACTIVE_TASK_EXISTS".into());
}
let task_id = format!("task-local-{}", Uuid::new_v4());
let observed_at = now_unix_ms()?;
transaction
.execute(
"INSERT INTO tasks(task_id, human_subject_id, title, purpose, status, created_at_unix_ms, updated_at_unix_ms)
VALUES(?1, ?2, ?3, ?4, 'ACTIVE', ?5, ?5)",
params![task_id, human_subject_id, title, purpose, observed_at],
)
.map_err(database_write_error)?;
append_event(
&transaction,
&human_subject_id,
"TASK_STARTED",
Some(&task_id),
&format!("开始:{title}"),
observed_at,
)?;
transaction.commit().map_err(database_write_error)?;
snapshot_at(database)
}
fn transition_task_at(
database: &Path,
input: TransitionPersonalChannelTaskInput,
) -> Result<PersonalChannelSnapshot, String> {
validate_identifier(&input.task_id, "TASK")?;
if input.expected_status != "ACTIVE" || input.next_status != "COMPLETED" {
return Err("HOLOLAKE_PERSONAL_CHANNEL_TASK_TRANSITION_INVALID".into());
}
let mut connection = open_database(database)?;
verify_integrity(&connection)?;
let transaction = connection
.transaction_with_behavior(TransactionBehavior::Immediate)
.map_err(database_write_error)?;
let human_subject_id = require_identity_id(&transaction)?;
let task = transaction
.query_row(
"SELECT title, status FROM tasks WHERE task_id = ?1",
params![input.task_id],
|row| Ok((row.get::<_, String>(0)?, row.get::<_, String>(1)?)),
)
.optional()
.map_err(database_read_error)?
.ok_or("HOLOLAKE_PERSONAL_CHANNEL_TASK_NOT_FOUND")?;
if task.1 != input.expected_status {
return Err("HOLOLAKE_PERSONAL_CHANNEL_TASK_STATE_CONFLICT".into());
}
let observed_at = now_unix_ms()?;
let changed = transaction
.execute(
"UPDATE tasks SET status = 'COMPLETED', updated_at_unix_ms = ?1
WHERE task_id = ?2 AND status = 'ACTIVE'",
params![observed_at, input.task_id],
)
.map_err(database_write_error)?;
if changed != 1 {
return Err("HOLOLAKE_PERSONAL_CHANNEL_TASK_STATE_CONFLICT".into());
}
append_event(
&transaction,
&human_subject_id,
"TASK_COMPLETED",
Some(&input.task_id),
&format!("完成:{}", task.0),
observed_at,
)?;
transaction.commit().map_err(database_write_error)?;
snapshot_at(database)
}
fn require_identity_id(transaction: &Transaction<'_>) -> Result<String, String> {
transaction
.query_row(
"SELECT human_subject_id FROM identities WHERE singleton = 1",
[],
|row| row.get(0),
)
.optional()
.map_err(database_read_error)?
.ok_or_else(|| "HOLOLAKE_PERSONAL_CHANNEL_NOT_INITIALIZED".into())
}
fn append_event(
transaction: &Transaction<'_>,
human_subject_id: &str,
kind: &str,
task_id: Option<&str>,
summary: &str,
occurred_at_unix_ms: i64,
) -> Result<(), String> {
let (last_sequence, previous_event_hash, previous_receipt_hash) = transaction
.query_row(
"SELECT e.sequence, e.event_hash, r.receipt_hash
FROM events e JOIN receipts r ON r.event_sequence = e.sequence
ORDER BY e.sequence DESC LIMIT 1",
[],
|row| {
Ok((
row.get::<_, i64>(0)?,
row.get::<_, String>(1)?,
row.get::<_, String>(2)?,
))
},
)
.optional()
.map_err(database_read_error)?
.unwrap_or((0, ZERO_HASH.into(), ZERO_HASH.into()));
let sequence = last_sequence + 1;
let event_id = format!("event-local-{}", Uuid::new_v4());
let payload = EventHashPayload {
schema: KERNEL_SCHEMA,
sequence,
event_id: &event_id,
human_subject_id,
kind,
task_id,
summary,
occurred_at_unix_ms,
};
let payload_bytes = serde_json::to_vec(&payload)
.map_err(|error| format!("HOLOLAKE_PERSONAL_CHANNEL_EVENT_INVALID: {error}"))?;
let payload_sha256 = sha256_hex(&payload_bytes);
let event_hash =
sha256_hex(format!("event-chain/v1\n{previous_event_hash}\n{payload_sha256}").as_bytes());
let receipt_seed = sha256_hex(format!("receipt-id/v1\n{event_hash}").as_bytes());
let receipt_id = format!("HLR-{}", &receipt_seed[..24]);
let receipt_hash = sha256_hex(
format!(
"receipt-chain/v1\n{previous_receipt_hash}\n{receipt_id}\n{event_hash}\n{payload_sha256}"
)
.as_bytes(),
);
transaction
.execute(
"INSERT INTO events(sequence, event_id, human_subject_id, kind, task_id, summary,
occurred_at_unix_ms, previous_event_hash, payload_sha256, event_hash)
VALUES(?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10)",
params![
sequence,
event_id,
human_subject_id,
kind,
task_id,
summary,
occurred_at_unix_ms,
previous_event_hash,
payload_sha256,
event_hash
],
)
.map_err(database_write_error)?;
transaction
.execute(
"INSERT INTO receipts(sequence, receipt_id, event_sequence, event_hash, payload_sha256,
previous_receipt_hash, receipt_hash, issued_at_unix_ms)
VALUES(?1, ?2, ?1, ?3, ?4, ?5, ?6, ?7)",
params![
sequence,
receipt_id,
event_hash,
payload_sha256,
previous_receipt_hash,
receipt_hash,
occurred_at_unix_ms
],
)
.map_err(database_write_error)?;
Ok(())
}
fn snapshot_at(database: &Path) -> Result<PersonalChannelSnapshot, String> {
let connection = open_database(database)?;
let integrity = verify_integrity(&connection)?;
let identity = connection
.query_row(
"SELECT human_subject_id, display_name, channel_id, created_at_unix_ms
FROM identities WHERE singleton = 1",
[],
|row| {
Ok(PersonalChannelIdentity {
human_subject_id: row.get(0)?,
display_name: row.get(1)?,
channel_id: row.get(2)?,
created_at_unix_ms: row.get(3)?,
})
},
)
.optional()
.map_err(database_read_error)?;
let current_task = connection
.query_row(
"SELECT task_id, title, purpose, status, created_at_unix_ms, updated_at_unix_ms
FROM tasks WHERE status = 'ACTIVE' LIMIT 1",
[],
|row| {
Ok(PersonalChannelTask {
task_id: row.get(0)?,
title: row.get(1)?,
purpose: row.get(2)?,
status: row.get(3)?,
created_at_unix_ms: row.get(4)?,
updated_at_unix_ms: row.get(5)?,
})
},
)
.optional()
.map_err(database_read_error)?;
let mut statement = connection
.prepare(
"SELECT e.sequence, e.event_id, e.kind, e.task_id, e.summary, e.occurred_at_unix_ms,
e.event_hash, r.receipt_id, r.receipt_hash
FROM events e JOIN receipts r ON r.event_sequence = e.sequence
ORDER BY e.sequence DESC LIMIT 12",
)
.map_err(database_read_error)?;
let recent_events = statement
.query_map([], |row| {
Ok(PersonalChannelEventProjection {
sequence: row.get(0)?,
event_id: row.get(1)?,
kind: row.get(2)?,
task_id: row.get(3)?,
summary: row.get(4)?,
occurred_at_unix_ms: row.get(5)?,
event_hash: row.get(6)?,
receipt_id: row.get(7)?,
receipt_hash: row.get(8)?,
})
})
.map_err(database_read_error)?
.collect::<Result<Vec<_>, _>>()
.map_err(database_read_error)?;
Ok(PersonalChannelSnapshot {
schema: KERNEL_SCHEMA,
state: if identity.is_some() {
"READY"
} else {
"UNINITIALIZED"
},
identity,
current_task,
recent_events,
integrity,
storage: "LOCAL_PRIVATE_SQLITE_SINGLE_HOLOLAKE_OWNER",
authority: "LOCAL_HUMAN_CONFIRMED_IDENTITY_NOT_SERVER_AUTHORITY",
})
}
fn verify_integrity(connection: &Connection) -> Result<PersonalChannelIntegrity, String> {
let schema_version: i64 = connection
.query_row(
"SELECT value FROM kernel_meta WHERE key = 'schema_version'",
[],
|row| row.get::<_, String>(0),
)
.map_err(database_read_error)?
.parse()
.map_err(|_| "HOLOLAKE_PERSONAL_CHANNEL_SCHEMA_INVALID".to_string())?;
if schema_version != DATABASE_SCHEMA_VERSION {
return Err("HOLOLAKE_PERSONAL_CHANNEL_SCHEMA_UNSUPPORTED".into());
}
let receipt_count: i64 = connection
.query_row("SELECT COUNT(*) FROM receipts", [], |row| row.get(0))
.map_err(database_read_error)?;
let mut statement = connection
.prepare(
"SELECT e.sequence, e.event_id, e.human_subject_id, e.kind, e.task_id, e.summary,
e.occurred_at_unix_ms, e.previous_event_hash, e.payload_sha256, e.event_hash,
r.receipt_id, r.event_hash, r.payload_sha256, r.previous_receipt_hash, r.receipt_hash
FROM events e LEFT JOIN receipts r ON r.event_sequence = e.sequence
ORDER BY e.sequence ASC",
)
.map_err(database_read_error)?;
let mut rows = statement.query([]).map_err(database_read_error)?;
let mut expected_sequence = 1_i64;
let mut previous_event_hash = ZERO_HASH.to_string();
let mut previous_receipt_hash = ZERO_HASH.to_string();
let mut event_count = 0_i64;
while let Some(row) = rows.next().map_err(database_read_error)? {
let sequence: i64 = row.get(0).map_err(database_read_error)?;
let event_id: String = row.get(1).map_err(database_read_error)?;
let human_subject_id: String = row.get(2).map_err(database_read_error)?;
let kind: String = row.get(3).map_err(database_read_error)?;
let task_id: Option<String> = row.get(4).map_err(database_read_error)?;
let summary: String = row.get(5).map_err(database_read_error)?;
let occurred_at: i64 = row.get(6).map_err(database_read_error)?;
let stored_previous_event: String = row.get(7).map_err(database_read_error)?;
let stored_payload: String = row.get(8).map_err(database_read_error)?;
let stored_event_hash: String = row.get(9).map_err(database_read_error)?;
let receipt_id: Option<String> = row.get(10).map_err(database_read_error)?;
let receipt_event_hash: Option<String> = row.get(11).map_err(database_read_error)?;
let receipt_payload: Option<String> = row.get(12).map_err(database_read_error)?;
let stored_previous_receipt: Option<String> = row.get(13).map_err(database_read_error)?;
let stored_receipt_hash: Option<String> = row.get(14).map_err(database_read_error)?;
if sequence != expected_sequence || stored_previous_event != previous_event_hash {
return Err("HOLOLAKE_PERSONAL_CHANNEL_INTEGRITY_FAILED".into());
}
let payload = EventHashPayload {
schema: KERNEL_SCHEMA,
sequence,
event_id: &event_id,
human_subject_id: &human_subject_id,
kind: &kind,
task_id: task_id.as_deref(),
summary: &summary,
occurred_at_unix_ms: occurred_at,
};
let payload_sha256 = sha256_hex(
&serde_json::to_vec(&payload)
.map_err(|error| format!("HOLOLAKE_PERSONAL_CHANNEL_EVENT_INVALID: {error}"))?,
);
let event_hash = sha256_hex(
format!("event-chain/v1\n{previous_event_hash}\n{payload_sha256}").as_bytes(),
);
let receipt_id = receipt_id.ok_or("HOLOLAKE_PERSONAL_CHANNEL_RECEIPT_MISSING")?;
let expected_receipt_id = format!(
"HLR-{}",
&sha256_hex(format!("receipt-id/v1\n{event_hash}").as_bytes())[..24]
);
let receipt_hash = sha256_hex(
format!(
"receipt-chain/v1\n{previous_receipt_hash}\n{receipt_id}\n{event_hash}\n{payload_sha256}"
)
.as_bytes(),
);
if stored_payload != payload_sha256
|| stored_event_hash != event_hash
|| receipt_id != expected_receipt_id
|| receipt_event_hash.as_deref() != Some(event_hash.as_str())
|| receipt_payload.as_deref() != Some(payload_sha256.as_str())
|| stored_previous_receipt.as_deref() != Some(previous_receipt_hash.as_str())
|| stored_receipt_hash.as_deref() != Some(receipt_hash.as_str())
{
return Err("HOLOLAKE_PERSONAL_CHANNEL_INTEGRITY_FAILED".into());
}
previous_event_hash = event_hash;
previous_receipt_hash = receipt_hash;
expected_sequence += 1;
event_count += 1;
}
if receipt_count != event_count {
return Err("HOLOLAKE_PERSONAL_CHANNEL_INTEGRITY_FAILED".into());
}
let identity_count: i64 = connection
.query_row("SELECT COUNT(*) FROM identities", [], |row| row.get(0))
.map_err(database_read_error)?;
if identity_count > 1 || (identity_count == 1 && event_count == 0) {
return Err("HOLOLAKE_PERSONAL_CHANNEL_INTEGRITY_FAILED".into());
}
Ok(PersonalChannelIntegrity {
state: "PASS_100",
schema_version,
event_count,
receipt_count,
last_event_hash: previous_event_hash,
last_receipt_hash: previous_receipt_hash,
})
}
fn validated_text(value: &str, maximum_chars: usize, kind: &str) -> Result<String, String> {
let trimmed = value.trim();
let count = trimmed.chars().count();
if count == 0
|| count > maximum_chars
|| trimmed.chars().any(|character| character.is_control())
{
return Err(format!("HOLOLAKE_PERSONAL_CHANNEL_{kind}_INVALID"));
}
Ok(trimmed.to_string())
}
fn validate_identifier(value: &str, kind: &str) -> Result<(), String> {
if value.is_empty()
|| value.len() > 128
|| !value
.bytes()
.all(|byte| byte.is_ascii_alphanumeric() || matches!(byte, b'-' | b'_' | b'.' | b':'))
{
return Err(format!("HOLOLAKE_PERSONAL_CHANNEL_{kind}_ID_INVALID"));
}
Ok(())
}
fn now_unix_ms() -> Result<i64, String> {
let millis = SystemTime::now()
.duration_since(UNIX_EPOCH)
.map_err(|error| format!("HOLOLAKE_SYSTEM_CLOCK_INVALID: {error}"))?
.as_millis();
i64::try_from(millis).map_err(|_| "HOLOLAKE_SYSTEM_CLOCK_INVALID".into())
}
fn sha256_hex(value: &[u8]) -> String {
digest(&SHA256, value)
.as_ref()
.iter()
.map(|byte| format!("{byte:02x}"))
.collect()
}
fn database_read_error(error: rusqlite::Error) -> String {
format!("HOLOLAKE_PERSONAL_CHANNEL_DATABASE_UNREADABLE: {error}")
}
fn database_write_error(error: rusqlite::Error) -> String {
format!("HOLOLAKE_PERSONAL_CHANNEL_DATABASE_WRITE_FAILED: {error}")
}
#[cfg(test)]
mod tests {
use super::*;
use tempfile::TempDir;
fn database(temp: &TempDir) -> PathBuf {
temp.path().join("personal-channel.sqlite3")
}
fn initialize(database: &Path) -> PersonalChannelSnapshot {
initialize_at(
database,
InitializePersonalChannelInput {
display_name: "冰朔".into(),
},
)
.unwrap()
}
#[test]
fn initialization_creates_identity_event_and_receipt_atomically() {
let temp = TempDir::new().unwrap();
let snapshot = initialize(&database(&temp));
assert_eq!(snapshot.state, "READY");
assert_eq!(snapshot.identity.unwrap().display_name, "冰朔");
assert_eq!(snapshot.integrity.event_count, 1);
assert_eq!(snapshot.integrity.receipt_count, 1);
assert_eq!(snapshot.recent_events[0].kind, "CHANNEL_INITIALIZED");
assert!(snapshot.recent_events[0].receipt_id.starts_with("HLR-"));
}
#[test]
fn restart_reads_the_same_identity_task_event_and_receipt_chain() {
let temp = TempDir::new().unwrap();
let database = database(&temp);
initialize(&database);
let created = create_task_at(
&database,
CreatePersonalChannelTaskInput {
title: "完成第一阶段闭环".into(),
purpose: "让身份、任务、事件与回执在重启后仍然可见".into(),
},
)
.unwrap();
let before_hash = created.integrity.last_receipt_hash.clone();
drop(created);
let after_restart = snapshot_at(&database).unwrap();
assert_eq!(
after_restart.current_task.unwrap().title,
"完成第一阶段闭环"
);
assert_eq!(after_restart.integrity.event_count, 2);
assert_eq!(after_restart.integrity.last_receipt_hash, before_hash);
}
#[test]
fn one_active_task_is_enforced_and_completion_is_receipted() {
let temp = TempDir::new().unwrap();
let database = database(&temp);
initialize(&database);
let created = create_task_at(
&database,
CreatePersonalChannelTaskInput {
title: "当前任务".into(),
purpose: "验证单一当前焦点".into(),
},
)
.unwrap();
assert_eq!(
create_task_at(
&database,
CreatePersonalChannelTaskInput {
title: "冲突任务".into(),
purpose: "不应被创建".into(),
},
)
.unwrap_err(),
"HOLOLAKE_PERSONAL_CHANNEL_ACTIVE_TASK_EXISTS"
);
let completed = transition_task_at(
&database,
TransitionPersonalChannelTaskInput {
task_id: created.current_task.unwrap().task_id,
expected_status: "ACTIVE".into(),
next_status: "COMPLETED".into(),
},
)
.unwrap();
assert!(completed.current_task.is_none());
assert_eq!(completed.recent_events[0].kind, "TASK_COMPLETED");
assert_eq!(completed.integrity.event_count, 3);
}
#[test]
fn changed_event_bytes_fail_closed_on_readback() {
let temp = TempDir::new().unwrap();
let database = database(&temp);
initialize(&database);
let connection = open_database(&database).unwrap();
connection
.execute(
"UPDATE events SET summary = '被篡改' WHERE sequence = 1",
[],
)
.unwrap();
assert_eq!(
snapshot_at(&database).unwrap_err(),
"HOLOLAKE_PERSONAL_CHANNEL_INTEGRITY_FAILED"
);
}
#[test]
fn local_identity_is_singleton_and_not_recreated() {
let temp = TempDir::new().unwrap();
let database = database(&temp);
initialize(&database);
assert_eq!(
initialize_at(
&database,
InitializePersonalChannelInput {
display_name: "另一个人".into(),
},
)
.unwrap_err(),
"HOLOLAKE_PERSONAL_CHANNEL_ALREADY_INITIALIZED"
);
}
}