feat(audit): audit runs and attestations are journaled (P8)

A claim that someone checked the books is evidence the CPA handoff rests on,
so it is a journal fact and replays: audit.run (a programme run through a
day at the books' figure head, with the hashes that make it reproducible and
the two filed workpapers), receipt.attested, entry.reviewed and
period.attested. Behind the journal feature audits, schema 20; no figure
moves. The figure head is the last line that bears on a figure: filing a
workpaper, a run or an attestation never makes an audit stale, an entry,
document, close, settings or role change does, so a period is attested only
on an audit that still describes the books. A receipt reading that differs
from the entry is recorded as disagreeing and never counts; whether a claim
counts is derived against the bar when asked, never stored.

The store also reads what a ledger cannot: the chain, the database against
a replay, stored and extracted files, the access log, duplicate files, and
the backups' standing handed in by the server. Fixture old-books/p8_before
was written by the version before this one and opens to its figures.
period.attested was the tests' placeholder for an unknown event type; they
use ledger.not_yet_written now.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01HS8WZziDnyxunC23MUxrLp
This commit is contained in:
swaitsandClaude Fable 5.1 committed 2026-10-29 15:54:08 -06:00
1 parent 843bcc421f
commit 6b7dccd1ee
19 files changed
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+49
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@@ -449,6 +449,55 @@ pub fn describe(b: &Books, line: &JournalLine) -> Option<Event> {
format!("Draft #{id} discarded: {}", s(p, "reason")),
None,
),
// Audits and attestations (plan P8): claims about the books, not
// figures.
"audit.run" => ev(
icon::MAGNIFYING_GLASS,
format!(
"Audit {} through {}",
s(p, "scope").replace('_', " "),
s(p, "through")
),
None,
),
"receipt.attested" => ev(
icon::CHECK_CIRCLE,
if p.get("disagrees").and_then(|v| v.as_bool()) == Some(true) {
format!(
"{} read {} against entry #{}: it disagrees",
s(p, "by"),
attachment_name(b, att),
p.get("entry_id").and_then(|v| v.as_u64()).unwrap_or(0)
)
} else {
format!(
"{} attested {} for entry #{}",
s(p, "by"),
attachment_name(b, att),
p.get("entry_id").and_then(|v| v.as_u64()).unwrap_or(0)
)
},
Some(Route::Document(att)),
),
"entry.reviewed" => ev(
icon::CHECK_CIRCLE,
format!(
"{} reviewed entry #{}",
s(p, "by"),
p.get("entry_id").and_then(|v| v.as_u64()).unwrap_or(0)
),
p.get("entry_id").and_then(|v| v.as_u64()).map(Route::Entry),
),
"period.attested" => ev(
icon::CHECK_CIRCLE,
format!(
"{} attested period #{} on audit #{}",
s(p, "by"),
p.get("period_id").and_then(|v| v.as_u64()).unwrap_or(0),
p.get("audit_run_id").and_then(|v| v.as_u64()).unwrap_or(0)
),
None,
),
"entry.settles" => {
let settles: Vec<String> = p
.get("settles")
+5 -1
View File
@@ -88,7 +88,11 @@ fn says_update(text: &str) {
#[test]
fn the_viewer_says_update_for_newer_books_and_corrupt_for_damaged_ones() {
for (tag, line_type, payload) in [
("type", "period.attested", json!({"key": "company.name"})),
(
"type",
"ledger.not_yet_written",
json!({"key": "company.name"}),
),
(
"format",
"journal.format_set",
+795
View File
@@ -0,0 +1,795 @@
//! The audit's journal and the integrity checks (plan P8; rules.md B-45):
//! `audit.run`, `receipt.attested`, `entry.reviewed` and `period.attested`,
//! what "the current head" means, and the findings only the store can see.
//!
//! ```text
//! GOAL: an audit run is a journaled fact keyed by the books' figure
//! head, so the same books give the same run once, and an
//! attestation rests on a head that has not moved.
//! SOURCE: IRS Pub. 583 (records); Rev. Proc. 98-25 §5.01 (the audit
//! trail); docs/spec/rules.md B-45; DECISION D-9 (the bar), D-53
//! (an audit is a run, not a job), IZ-1k (the head).
//! INVARIANTS:
//! 1. The figure head is the seq of the last journal line that bears on
//! a figure: everything but the audit and attestation events, the
//! evidence filings (an attachment, a link, a statement, a
//! reconciliation, extraction, annotations) and the format
//! declaration. An audit's own filing never moves it.
//! 2. A run is idempotent on (through, figure head, scope, program
//! version): asking again returns the run that exists and journals
//! nothing.
//! 3. A period is attested only on a run at the current figure head
//! that covers it (its through date is on or after the period's
//! end).
//! 4. A receipt attestation whose amount or date differs from the
//! entry's is recorded, marked `disagrees`, and never counts.
//! 5. `counted` is never stored: it is read against
//! `policy.attestation_bar` as it stands when asked.
//! 6. The method is the client's own claim; the books keep it and say
//! so.
//! 7. Every write waits for the `audits` journal feature and journals
//! nothing when refused.
//! SCENARIOS:
//! 1. IF the same audit is asked twice at one head: SHOULD return the
//! first run both times.
//! 2. IF an entry posts after a run: SHOULD refuse attesting a period
//! on that run.
//! ```
use std::collections::BTreeSet;
use chrono::NaiveDate;
use ledger_core::audit::{Finding, Method, Scope, Severity, Subject};
use rusqlite::params;
use rust_decimal::Decimal;
use serde_json::Value;
use super::{Store, apply_line_to_sqlite};
use crate::error::StoreError;
/// The audit programme's version: the crate's, and a revision of its
/// checks. A run at another version is another run.
pub const PROGRAM_VERSION: &str = concat!("audit-", env!("CARGO_PKG_VERSION"), "-1");
/// Journal lines that do not bear on a figure (INVARIANT 1).
pub const NOT_FIGURES: &[&str] = &[
"audit.run",
"receipt.attested",
"entry.reviewed",
"period.attested",
"store.created",
"journal.format_set",
"journal.tail_repaired",
"attachment.linked",
"attachment.unlinked",
"attachment.withdrawn",
"attachment.text_extracted",
"attachment.annotated",
"receipt.attached",
"receipt.linked",
"receipt.unlinked",
"document.filed",
"statement.recorded",
"statement.voided",
"reconciliation.completed",
"reconciliation.voided",
"decision.recorded",
"open_item.raised",
"open_item.resolved",
"entry.settles",
];
/// The integrity checks' codes, severities and predicates (the
/// statements checks are `ledger_core::audit::CODES`).
pub const CODES: &[ledger_core::audit::CodeRow] = &[
ledger_core::audit::CodeRow {
code: "journal_damaged",
severity: Severity::Failure,
predicate: "the journal's hash chain does not verify",
},
ledger_core::audit::CodeRow {
code: "projection_differs",
severity: Severity::Failure,
predicate: "the live books or the database differ from a replay of the journal",
},
ledger_core::audit::CodeRow {
code: "blob_missing",
severity: Severity::Failure,
predicate: "a stored file the books name is not on disk",
},
ledger_core::audit::CodeRow {
code: "blob_damaged",
severity: Severity::Failure,
predicate: "a stored file's bytes do not match their SHA-256",
},
ledger_core::audit::CodeRow {
code: "access_log_damaged",
severity: Severity::Failure,
predicate: "the access log's chain does not verify",
},
ledger_core::audit::CodeRow {
code: "extraction_blob_missing",
severity: Severity::Warning,
predicate: "a file's extracted text is not on disk",
},
ledger_core::audit::CodeRow {
code: "duplicate_blob",
severity: Severity::Warning,
predicate: "two filed attachments, neither withdrawn, hold the same bytes",
},
ledger_core::audit::CodeRow {
code: "backup_stale",
severity: Severity::Warning,
predicate: "a backup target has not reached the books' head within a day",
},
ledger_core::audit::CodeRow {
code: "drill_failed",
severity: Severity::Failure,
predicate: "a backup failed, or failed its restore drill",
},
];
fn found(code: &'static str, subject: Subject, message: String) -> Finding {
let severity = CODES
.iter()
.find(|r| r.code == code)
.map_or(Severity::Failure, |r| r.severity);
Finding {
code,
severity,
subject,
message,
}
}
/// What the backups' standing says, one target at a time, for the audit
/// (the server reads the standing; the store does not know the backups).
#[derive(Clone, Debug)]
pub struct BackupStanding {
/// The target's kind and name, as the backups name it.
pub target: String,
/// It has not reached the head within a day.
pub stale: bool,
/// Its last run's error, if it failed.
pub last_error: Option<String>,
/// Its last restore drill's error, if it failed.
pub drill_error: Option<String>,
}
/// The backup findings: a target stale, failing, or failing its drill.
/// Books with no target set up have none (that is the owner's standing
/// choice, which `books.start` already says; an audit reports what the
/// backups it can see do).
pub fn backup_findings(targets: &[BackupStanding]) -> Vec<Finding> {
let mut out = Vec::new();
for t in targets {
if t.stale {
out.push(found(
"backup_stale",
Subject::Named(t.target.clone()),
format!("{} has not reached the books' head within a day", t.target),
));
}
if let Some(e) = &t.last_error {
out.push(found(
"drill_failed",
Subject::Named(t.target.clone()),
format!("{}'s last backup failed: {e}", t.target),
));
}
if let Some(e) = &t.drill_error {
out.push(found(
"drill_failed",
Subject::Named(t.target.clone()),
format!("{}'s restore drill failed: {e}", t.target),
));
}
}
out
}
/// An audit run as the journal records it (`audit.run`).
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct AuditRun {
/// Its id (1 for the first).
pub id: u64,
/// The audit covers the books through this date.
pub through: NaiveDate,
/// The figure head it was made at ([`Store::figure_head`]).
pub through_seq: u64,
/// What it covers.
pub scope: Scope,
/// The programme's version ([`PROGRAM_VERSION`]).
pub program_version: String,
/// SHA-256 of the trial balance through the date.
pub tb_hash: String,
/// SHA-256 of the findings.
pub findings_sha256: String,
/// The workpaper's JSON, filed as a document.
pub workpaper_attachment: Option<u64>,
/// The workpaper's PDF, filed as a document.
pub workpaper_pdf: Option<u64>,
/// The journal line that recorded it.
pub seq: u64,
}
/// What a run is made from, before it has an id or a seq.
#[derive(Clone, Debug)]
pub struct NewAuditRun {
/// Through this date.
pub through: NaiveDate,
/// The figure head the findings were computed at.
pub through_seq: u64,
/// What it covers.
pub scope: Scope,
/// SHA-256 of the trial balance.
pub tb_hash: String,
/// SHA-256 of the findings.
pub findings_sha256: String,
/// The filed workpaper JSON.
pub workpaper_attachment: Option<u64>,
/// The filed workpaper PDF.
pub workpaper_pdf: Option<u64>,
}
/// What an attestation says it checked.
#[derive(Clone, Debug, PartialEq, Eq)]
pub enum Attested {
/// A receipt against an entry.
Receipt {
/// The filed receipt.
attachment_id: u64,
/// The entry it supports.
entry_id: u64,
/// The amount the checker read off it.
amount_checked: Decimal,
/// The date the checker read off it.
date_checked: NaiveDate,
/// The checker's reading differs from the entry's.
disagrees: bool,
},
/// An entry, reviewed whole.
Entry {
/// The entry.
entry_id: u64,
},
/// A period, on an audit run.
Period {
/// The period.
period_id: u64,
/// The run it rests on.
audit_run_id: u64,
},
}
/// A claim that someone checked, as the journal records it.
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct Attestation {
/// The journal line.
pub seq: u64,
/// Who claims it: the caller's token name.
pub by: String,
/// When, UTC.
pub at: String,
/// How, as the client says.
pub method: Method,
/// A free note.
pub note: Option<String>,
/// What was checked.
pub what: Attested,
}
impl Attestation {
/// Its kind's word: `receipt`, `entry` or `period`.
pub fn kind(&self) -> &'static str {
match self.what {
Attested::Receipt { .. } => "receipt",
Attested::Entry { .. } => "entry",
Attested::Period { .. } => "period",
}
}
}
/// Who claims an attestation, how, and what they add.
#[derive(Clone, Debug)]
pub struct Claim {
/// The caller's token name.
pub by: String,
/// How, as the client says.
pub method: Method,
/// A free note.
pub note: Option<String>,
}
impl Claim {
fn into_attestation(self, what: Attested) -> Attestation {
Attestation {
seq: 0,
by: self.by,
at: now(),
method: self.method,
note: self
.note
.map(|n| n.trim().to_string())
.filter(|n| !n.is_empty()),
what,
}
}
}
fn refused(why: impl Into<String>) -> StoreError {
StoreError::AuditRefused(why.into())
}
fn now() -> String {
chrono::Utc::now().format("%Y-%m-%dT%H:%M:%SZ").to_string()
}
impl Store {
/// The seq of the last journal line that bears on a figure
/// (INVARIANT 1); zero for books with none.
pub fn figure_head(&self) -> Result<u64, StoreError> {
let quoted: Vec<String> = NOT_FIGURES.iter().map(|t| format!("'{t}'")).collect();
let sql = format!(
"SELECT COALESCE(MAX(seq), 0) FROM events WHERE type NOT IN ({})",
quoted.join(",")
);
let n: i64 = self.conn.query_row(&sql, [], |r| r.get(0))?;
Ok(n as u64)
}
/// The entries with at least one receipt filed on them or linked to
/// them, not withdrawn.
pub fn entries_with_receipts(&self) -> Result<BTreeSet<u64>, StoreError> {
let mut stmt = self.conn.prepare(
"SELECT entry_id FROM attachments WHERE withdrawn_at IS NULL AND entry_id IS NOT NULL
UNION
SELECT l.subject_id FROM attachment_links l JOIN attachments a ON a.id = l.attachment_id
WHERE l.subject_kind = 'entry' AND a.withdrawn_at IS NULL",
)?;
let ids = stmt
.query_map([], |r| r.get::<_, i64>(0))?
.collect::<Result<Vec<_>, _>>()?;
Ok(ids.into_iter().map(|i| i as u64).collect())
}
/// What only the store can see: the chain, the database against a
/// replay, the stored files, the access log, extraction text and
/// duplicate files. Reads; changes nothing.
pub fn integrity_findings(&self) -> Vec<Finding> {
let mut out = Vec::new();
match self.verify() {
Ok(()) => {}
Err(StoreError::VerifyMismatch(why)) => out.push(found(
"projection_differs",
Subject::Books,
format!("the books differ from a replay of the journal: {why}"),
)),
Err(e) => out.push(found(
"journal_damaged",
Subject::Books,
format!("the journal does not verify: {e}"),
)),
}
let shas = |sql: &str| -> Vec<String> {
self.conn
.prepare(sql)
.and_then(|mut s| {
s.query_map([], |r| r.get::<_, String>(0))?
.collect::<Result<Vec<_>, _>>()
})
.unwrap_or_default()
};
let mut blobs = shas("SELECT sha256 FROM blobs ORDER BY sha256");
blobs.dedup();
for sha in blobs {
if !self.blobs.exists(&sha) {
out.push(found(
"blob_missing",
Subject::Named(sha.chars().take(12).collect()),
format!("the stored file {sha} is not on disk"),
));
} else if let Err(StoreError::CorruptBlob(_)) = self.blobs.get(&sha) {
out.push(found(
"blob_damaged",
Subject::Named(sha.chars().take(12).collect()),
format!("the stored file {sha} does not match its SHA-256"),
));
}
}
if let Err(e) = crate::access::read(&self.data_dir) {
out.push(found(
"access_log_damaged",
Subject::Named("access log".into()),
format!("the access log does not verify: {e}"),
));
}
for sha in shas(
"SELECT DISTINCT text_sha256 FROM extractions WHERE text_sha256 IS NOT NULL ORDER BY text_sha256",
) {
if !self.blobs.exists(&sha) {
out.push(found(
"extraction_blob_missing",
Subject::Named(sha.chars().take(12).collect()),
format!("the extracted text {sha} is not on disk"),
));
}
}
let dups: Vec<(String, String)> = self
.conn
.prepare(
"SELECT blob_sha, GROUP_CONCAT(id) FROM
(SELECT blob_sha, id FROM attachments WHERE withdrawn_at IS NULL ORDER BY id)
GROUP BY blob_sha HAVING COUNT(*) > 1 ORDER BY blob_sha",
)
.and_then(|mut s| {
s.query_map([], |r| Ok((r.get(0)?, r.get(1)?)))?
.collect::<Result<Vec<_>, _>>()
})
.unwrap_or_default();
for (sha, ids) in dups {
out.push(found(
"duplicate_blob",
Subject::Named(sha.chars().take(12).collect()),
format!("attachments {ids} hold the same bytes ({sha})"),
));
}
out
}
/// Every audit run, oldest first.
pub fn audit_runs(&self) -> Result<Vec<AuditRun>, StoreError> {
let mut stmt = self.conn.prepare(
"SELECT id, through, through_seq, scope, program_version, tb_hash, findings_sha256,
workpaper_attachment, workpaper_pdf, seq FROM audits ORDER BY id",
)?;
let rows = stmt.query_map([], |r| {
Ok((
r.get::<_, i64>(0)?,
r.get::<_, String>(1)?,
r.get::<_, i64>(2)?,
r.get::<_, String>(3)?,
r.get::<_, String>(4)?,
r.get::<_, String>(5)?,
r.get::<_, String>(6)?,
r.get::<_, Option<i64>>(7)?,
r.get::<_, Option<i64>>(8)?,
r.get::<_, i64>(9)?,
))
})?;
let mut out = Vec::new();
for row in rows {
let (id, through, seq_at, scope, version, tb, fs, wp, pdf, seq) = row?;
out.push(AuditRun {
id: id as u64,
through: NaiveDate::parse_from_str(&through, "%Y-%m-%d")
.map_err(|_| StoreError::JournalCorrupt("audits.through".into()))?,
through_seq: seq_at as u64,
scope: Scope::parse(&scope)
.ok_or_else(|| StoreError::JournalCorrupt("audits.scope".into()))?,
program_version: version,
tb_hash: tb,
findings_sha256: fs,
workpaper_attachment: wp.map(|v| v as u64),
workpaper_pdf: pdf.map(|v| v as u64),
seq: seq as u64,
});
}
Ok(out)
}
/// One run.
pub fn audit_run(&self, id: u64) -> Result<Option<AuditRun>, StoreError> {
Ok(self.audit_runs()?.into_iter().find(|r| r.id == id))
}
/// The run that already answers an audit of `through` at `head`
/// (INVARIANT 2).
pub fn find_audit_run(
&self,
through: NaiveDate,
head: u64,
scope: Scope,
) -> Result<Option<AuditRun>, StoreError> {
Ok(self.audit_runs()?.into_iter().find(|r| {
r.through == through
&& r.through_seq == head
&& r.scope == scope
&& r.program_version == PROGRAM_VERSION
}))
}
/// Whether the books' figures are where `run` left them
/// (IZ-1k): nothing bearing on a figure has been journaled since.
pub fn audit_is_current(&self, run: &AuditRun) -> Result<bool, StoreError> {
Ok(run.through_seq == self.figure_head()?)
}
/// Record an audit run (`audit.run`). Waits for the `audits` feature.
pub fn record_audit_run(&mut self, new: NewAuditRun) -> Result<AuditRun, StoreError> {
self.ensure_feature(crate::format::AUDITS)?;
if let Some(existing) = self.find_audit_run(new.through, new.through_seq, new.scope)? {
return Ok(existing);
}
for a in [new.workpaper_attachment, new.workpaper_pdf]
.into_iter()
.flatten()
{
self.attachment_state(a)?;
}
let id = self.audit_runs()?.last().map_or(1, |r| r.id + 1);
let mut run = AuditRun {
id,
through: new.through,
through_seq: new.through_seq,
scope: new.scope,
program_version: PROGRAM_VERSION.into(),
tb_hash: new.tb_hash,
findings_sha256: new.findings_sha256,
workpaper_attachment: new.workpaper_attachment,
workpaper_pdf: new.workpaper_pdf,
seq: 0,
};
let line = self.append_journal("audit.run", crate::meta::audit_run(&run))?;
run.seq = line.seq;
apply_line_to_sqlite(&self.conn, &line)?;
Ok(run)
}
/// Every attestation, oldest first.
pub fn attestations(&self) -> Result<Vec<Attestation>, StoreError> {
let mut stmt = self.conn.prepare(
"SELECT seq, kind, attachment_id, entry_id, period_id, audit_run_id, by_who, at_ts,
method, amount_checked, date_checked, disagrees, note
FROM attestations ORDER BY seq",
)?;
let rows = stmt.query_map([], |r| {
Ok((
r.get::<_, i64>(0)?,
r.get::<_, String>(1)?,
r.get::<_, Option<i64>>(2)?,
r.get::<_, Option<i64>>(3)?,
r.get::<_, Option<i64>>(4)?,
r.get::<_, Option<i64>>(5)?,
r.get::<_, String>(6)?,
r.get::<_, String>(7)?,
r.get::<_, String>(8)?,
r.get::<_, Option<String>>(9)?,
r.get::<_, Option<String>>(10)?,
r.get::<_, Option<i64>>(11)?,
r.get::<_, Option<String>>(12)?,
))
})?;
let bad = |w: &str| StoreError::JournalCorrupt(format!("attestations.{w}"));
let mut out = Vec::new();
for row in rows {
let (seq, kind, att, entry, period, run, by, at, method, amount, date, dis, note) =
row?;
let method: Value = serde_json::from_str(&method)?;
let what = match kind.as_str() {
"receipt" => Attested::Receipt {
attachment_id: att.ok_or_else(|| bad("attachment_id"))? as u64,
entry_id: entry.ok_or_else(|| bad("entry_id"))? as u64,
amount_checked: amount
.and_then(|a| a.parse().ok())
.ok_or_else(|| bad("amount_checked"))?,
date_checked: date
.and_then(|d| NaiveDate::parse_from_str(&d, "%Y-%m-%d").ok())
.ok_or_else(|| bad("date_checked"))?,
disagrees: dis.unwrap_or(0) != 0,
},
"entry" => Attested::Entry {
entry_id: entry.ok_or_else(|| bad("entry_id"))? as u64,
},
"period" => Attested::Period {
period_id: period.ok_or_else(|| bad("period_id"))? as u64,
audit_run_id: run.ok_or_else(|| bad("audit_run_id"))? as u64,
},
_ => return Err(bad("kind")),
};
out.push(Attestation {
seq: seq as u64,
by,
at,
method: crate::meta::method_from_value(&method)?,
note,
what,
});
}
Ok(out)
}
fn journal_attestation(
&mut self,
line_type: &str,
a: Attestation,
) -> Result<Attestation, StoreError> {
let (line_type, payload) = (line_type, crate::meta::attestation(&a));
let line = self.append_journal(line_type, payload)?;
apply_line_to_sqlite(&self.conn, &line)?;
Ok(Attestation { seq: line.seq, ..a })
}
/// Attest that a receipt supports an entry (`receipt.attested`): the
/// checker's reading of its amount and date against the entry's. A
/// reading that differs is recorded as disagreeing and never counts
/// (INVARIANT 4).
pub fn attest_receipt(
&mut self,
attachment_id: u64,
entry_id: u64,
amount: Decimal,
date: NaiveDate,
claim: Claim,
) -> Result<Attestation, StoreError> {
self.ensure_feature(crate::format::AUDITS)?;
let entry = self
.ledger
.get_entry(entry_id)
.ok_or(ledger_core::LedgerError::UnknownEntry(entry_id))?;
if entry.status() != ledger_core::EntryStatus::Posted {
return Err(refused(format!("entry {entry_id} is not posted")));
}
let (_, withdrawn) = self.attachment_state(attachment_id)?;
if withdrawn {
return Err(StoreError::AttachmentWithdrawn(attachment_id));
}
if !self
.attachment_links(attachment_id)?
.contains(&crate::store::Subject::Entry(entry_id))
{
return Err(refused(format!(
"attachment {attachment_id} is not filed on or linked to entry {entry_id}"
)));
}
let debits = entry
.lines()
.iter()
.filter(|l| l.side == ledger_core::Side::Debit)
.try_fold(Decimal::ZERO, |s, l| s.checked_add(l.amount.amount));
let amount_agrees =
debits == Some(amount) || entry.lines().iter().any(|l| l.amount.amount == amount);
let disagrees = !amount_agrees || date != entry.date();
self.journal_attestation(
"receipt.attested",
claim.into_attestation(Attested::Receipt {
attachment_id,
entry_id,
amount_checked: amount,
date_checked: date,
disagrees,
}),
)
}
/// Record that an entry was reviewed whole (`entry.reviewed`).
pub fn review_entry(&mut self, entry_id: u64, claim: Claim) -> Result<Attestation, StoreError> {
self.ensure_feature(crate::format::AUDITS)?;
let entry = self
.ledger
.get_entry(entry_id)
.ok_or(ledger_core::LedgerError::UnknownEntry(entry_id))?;
if entry.status() != ledger_core::EntryStatus::Posted {
return Err(refused(format!("entry {entry_id} is not posted")));
}
self.journal_attestation(
"entry.reviewed",
claim.into_attestation(Attested::Entry { entry_id }),
)
}
/// The run a period can be attested on: the latest at the current
/// figure head whose through date is on or after the period's end
/// (INVARIANT 3).
pub fn run_for_period(&self, period_id: u64) -> Result<AuditRun, StoreError> {
let period = self
.ledger
.get_period(period_id)
.ok_or_else(|| refused(format!("no period {period_id}")))?;
let head = self.figure_head()?;
let runs = self.audit_runs()?;
runs.into_iter()
.rev()
.find(|r| r.through_seq == head && r.through >= period.end)
.ok_or_else(|| {
refused(format!(
"no audit through {} or later stands at the books' current head: run books.audit first (an entry, a document, a close or a settings change since the last one moves the head)",
period.end
))
})
}
/// Attest a period on an audit run at the current head
/// (`period.attested`).
pub fn attest_period(
&mut self,
period_id: u64,
claim: Claim,
) -> Result<(Attestation, AuditRun), StoreError> {
self.ensure_feature(crate::format::AUDITS)?;
let run = self.run_for_period(period_id)?;
let a = self.journal_attestation(
"period.attested",
claim.into_attestation(Attested::Period {
period_id,
audit_run_id: run.id,
}),
)?;
Ok((a, run))
}
}
/// Read an `audits` row for a replayed line.
pub(crate) fn insert_run(conn: &rusqlite::Connection, run: &AuditRun) -> Result<(), StoreError> {
conn.execute(
"INSERT INTO audits(id, through, through_seq, scope, program_version, tb_hash, findings_sha256,
workpaper_attachment, workpaper_pdf, seq)
VALUES (?,?,?,?,?,?,?,?,?,?)",
params![
run.id as i64,
run.through.to_string(),
run.through_seq as i64,
run.scope.key(),
run.program_version,
run.tb_hash,
run.findings_sha256,
run.workpaper_attachment.map(|v| v as i64),
run.workpaper_pdf.map(|v| v as i64),
run.seq as i64,
],
)?;
Ok(())
}
/// Write an `attestations` row for a replayed line.
pub(crate) fn insert_attestation(
conn: &rusqlite::Connection,
a: &Attestation,
) -> Result<(), StoreError> {
let (mut att, mut entry, mut period, mut run) = (None, None, None, None);
let (mut amount, mut date, mut dis) = (None, None, None);
match &a.what {
Attested::Receipt {
attachment_id,
entry_id,
amount_checked,
date_checked,
disagrees,
} => {
att = Some(*attachment_id as i64);
entry = Some(*entry_id as i64);
amount = Some(amount_checked.to_string());
date = Some(date_checked.to_string());
dis = Some(i64::from(*disagrees));
}
Attested::Entry { entry_id } => entry = Some(*entry_id as i64),
Attested::Period {
period_id,
audit_run_id,
} => {
period = Some(*period_id as i64);
run = Some(*audit_run_id as i64);
}
}
conn.execute(
"INSERT INTO attestations(seq, kind, attachment_id, entry_id, period_id, audit_run_id, by_who, at_ts,
method, amount_checked, date_checked, disagrees, note)
VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?)",
params![
a.seq as i64,
a.kind(),
att,
entry,
period,
run,
a.by,
a.at,
crate::meta::method_json(&a.method).to_string(),
amount,
date,
dis,
a.note,
],
)?;
Ok(())
}
+6
View File
@@ -162,6 +162,12 @@ pub enum StoreError {
)]
WriteOffNeedsEvidence,
/// An audit or an attestation the books refuse (plan P8; rules.md
/// B-45): a stale head, an entry not posted, a receipt not on the
/// entry. The words say what to do.
#[error("{0}")]
AuditRefused(String),
/// The requested base currency differs from the store's.
#[error("base currency mismatch: store is {0}, requested {1}")]
CurrencyMismatch(String, String),
+52
View File
@@ -66,6 +66,7 @@ pub const KNOWN_FEATURES: &[&str] = &[
ATTACHMENT_TEXT,
DRAFTS_V2,
SOURCE_REVISIONS,
AUDITS,
];
/// Feature: `period.closed` closes to members with `"rounding":
@@ -105,6 +106,9 @@ pub(crate) fn setting_feature(key: &str) -> Option<&'static str> {
| "bills.discount_warn_days"
| "company.email"
| "company.website" => Some(DOCUMENTS_V2),
// P8: what counts as an attestation, and whether the CPA package
// waits for an audit.
"policy.attestation_bar" | "policy.cpa_package_requires_audit" => Some(AUDITS),
_ => None,
}
}
@@ -228,6 +232,17 @@ pub const DRAFTS_V2: &str = "drafts_v2";
/// declaration instead (rules.md B-27).
pub const SOURCE_REVISIONS: &str = "source_revisions";
/// Feature: `audits` (plan P8): `audit.run` (a programme of checks run
/// through a date, with the hash of its findings and its workpaper),
/// `receipt.attested`, `entry.reviewed` and `period.attested` (claims by
/// an authenticated client that it checked), and the two settings that
/// say what counts (`policy.attestation_bar`) and whether the CPA package
/// waits for an audit (`policy.cpa_package_requires_audit`). An older
/// version doesn't know those event types or settings; it stops at the
/// declaration instead of dropping the claims a handoff rests on
/// (rules.md B-27, B-45).
pub const AUDITS: &str = "audits";
/// The line type that declares the journal format.
pub const FORMAT_SET: &str = "journal.format_set";
@@ -253,6 +268,7 @@ pub const EVENT_TYPES: &[&str] = &[
"attachment.text_extracted",
"attachment.unlinked",
"attachment.withdrawn",
"audit.run",
"bill.created",
"bill.paid",
"class.added",
@@ -275,6 +291,7 @@ pub const EVENT_TYPES: &[&str] = &[
"entry.party_set",
"entry.posted",
"entry.reversed",
"entry.reviewed",
"entry.settles",
"entry.vendor_set",
"fx.rate_set",
@@ -298,10 +315,12 @@ pub const EVENT_TYPES: &[&str] = &[
"party.w9_set",
"payroll.run",
"payroll.taxes_remitted",
"period.attested",
"period.closed",
"period.created",
"project.set",
"receipt.attached",
"receipt.attested",
"receipt.linked",
"receipt.unlinked",
"reconciliation.completed",
@@ -1035,6 +1054,39 @@ mod tests {
assert_eq!(up.adds(), vec!["the journal feature source_revisions"]);
}
/// The version before P8 stops at a declaration of `audits` as newer,
/// never dropping an attestation a handoff rests on; books that
/// declared every earlier feature still wait for it (B-27, D-39).
#[test]
fn audits_is_its_own_feature() {
assert!(KNOWN_FEATURES.contains(&AUDITS));
let before: Vec<&str> = KNOWN_FEATURES
.iter()
.copied()
.filter(|f| *f != AUDITS)
.collect();
let l = line(
FORMAT_SET,
json!({"format": 2, "features": [DRAFTS_V2, AUDITS]}),
);
match declared_knowing(&l, &before) {
Err(StoreError::NewerJournal { need, .. }) => {
assert_eq!(need, "journal features audits")
}
other => panic!("expected NewerJournal, got {other:?}"),
}
let older = JournalFormat {
format: 2,
features: before.iter().map(|f| f.to_string()).collect(),
};
assert!(matches!(
older.require_feature(AUDITS),
Err(StoreError::FormatUpgradePending { .. })
));
let up = older.upgrade().expect("waits for it");
assert_eq!(up.adds(), vec!["the journal feature audits"]);
}
/// This version's format: the newest it reads, every feature it
/// knows, each once, sorted (what new books and an upgrade declare).
#[test]
+1
View File
@@ -47,6 +47,7 @@ pub use error::StoreError;
pub use format::{FormatUpgrade, JournalFormat, SUPPORTED_JOURNAL_FORMAT};
pub use journal::{GENESIS_PREV, JournalLine, JournalWriter};
pub use snapshot::{DiskCheck, Snapshot};
pub use store::audit;
pub use store::{
Attachment, BillPreview, DepreciationRun, DisposalPreview, EntryRow, EventRow, Extraction,
ExtractionStatus, InvoicePreview, JOURNAL_FILE, LEGACY_DB_FILE, LOCK_FILE, MAX_RECURRING_RUN,
+192
View File
@@ -729,6 +729,198 @@ pub fn draft_discarded_of(p: &Value) -> Result<(u64, String), StoreError> {
Ok((u64_of(p, E, "id")?, str_of(p, E, "reason")?))
}
// ---------------------------------------------------------------------------
// Audits and attestations (plan P8, feature `audits`)
// ---------------------------------------------------------------------------
/// A method as journaled: only the parts the client gave.
pub fn method_json(m: &ledger_core::audit::Method) -> Value {
let mut o = Map::new();
put(&mut o, "model", m.model.clone());
put(
&mut o,
"reasoning_effort",
m.reasoning_effort.map(|e| e.key()),
);
put(&mut o, "adversarial", m.adversarial);
put(&mut o, "verifier_agents", m.verifier_agents);
Value::Object(o)
}
/// Read a method. A key or an effort this version doesn't know is newer
/// when a line is at hand (B-27), else corrupt.
fn method_of(
line: Option<&crate::journal::JournalLine>,
m: &Value,
event: &str,
) -> Result<ledger_core::audit::Method, StoreError> {
let o = m.as_object().ok_or_else(|| corrupt(event, "method"))?;
let unknown = |what: String| match line {
Some(l) => crate::format::newer_content(l, what),
None => corrupt(event, "method"),
};
let mut out = ledger_core::audit::Method::default();
for (k, v) in o {
match k.as_str() {
"model" => {
out.model = Some(
v.as_str()
.ok_or_else(|| corrupt(event, "method.model"))?
.to_string(),
)
}
"reasoning_effort" => {
let s = v
.as_str()
.ok_or_else(|| corrupt(event, "method.reasoning_effort"))?;
out.reasoning_effort = Some(
ledger_core::audit::Effort::parse(s)
.ok_or_else(|| unknown(format!("the reasoning effort {s:?}")))?,
);
}
"adversarial" => {
out.adversarial = Some(
v.as_bool()
.ok_or_else(|| corrupt(event, "method.adversarial"))?,
)
}
"verifier_agents" => {
out.verifier_agents = Some(
v.as_u64()
.and_then(|n| u32::try_from(n).ok())
.ok_or_else(|| corrupt(event, "method.verifier_agents"))?,
)
}
other => return Err(unknown(format!("the method key {other:?}"))),
}
}
Ok(out)
}
/// A method read back from the projection.
pub fn method_from_value(m: &Value) -> Result<ledger_core::audit::Method, StoreError> {
method_of(None, m, "attestations")
}
/// `audit.run {id, through, through_seq, scope, program_version, tb_hash,
/// findings_sha256, workpaper_attachment?, workpaper_pdf?}`.
pub fn audit_run(r: &crate::audit::AuditRun) -> Value {
let mut o = Map::new();
o.insert("id".into(), json!(r.id));
o.insert("through".into(), json!(r.through.to_string()));
o.insert("through_seq".into(), json!(r.through_seq));
o.insert("scope".into(), json!(r.scope.key()));
o.insert("program_version".into(), json!(r.program_version));
o.insert("tb_hash".into(), json!(r.tb_hash));
o.insert("findings_sha256".into(), json!(r.findings_sha256));
put(&mut o, "workpaper_attachment", r.workpaper_attachment);
put(&mut o, "workpaper_pdf", r.workpaper_pdf);
Value::Object(o)
}
/// Read an `audit.run`. A scope this version doesn't know is newer.
pub fn audit_run_of(
line: &crate::journal::JournalLine,
) -> Result<crate::audit::AuditRun, StoreError> {
const E: &str = "audit.run";
let p = &line.payload;
let scope_key = str_of(p, E, "scope")?;
let scope = ledger_core::audit::Scope::parse(&scope_key).ok_or_else(|| {
crate::format::newer_content(line, format!("the audit scope {scope_key:?}"))
})?;
Ok(crate::audit::AuditRun {
id: u64_of(p, E, "id")?,
through: date_of(&str_of(p, E, "through")?, E, "through")?,
through_seq: u64_of(p, E, "through_seq")?,
scope,
program_version: str_of(p, E, "program_version")?,
tb_hash: str_of(p, E, "tb_hash")?,
findings_sha256: str_of(p, E, "findings_sha256")?,
workpaper_attachment: opt_u64(p, E, "workpaper_attachment")?,
workpaper_pdf: opt_u64(p, E, "workpaper_pdf")?,
seq: line.seq,
})
}
/// The payload of `receipt.attested`, `entry.reviewed` or `period.attested`.
pub fn attestation(a: &crate::audit::Attestation) -> Value {
use crate::audit::Attested;
let mut o = Map::new();
match &a.what {
Attested::Receipt {
attachment_id,
entry_id,
amount_checked,
date_checked,
disagrees,
} => {
o.insert("attachment_id".into(), json!(attachment_id));
o.insert("entry_id".into(), json!(entry_id));
o.insert("amount_checked".into(), json!(amount_checked.to_string()));
o.insert("date_checked".into(), json!(date_checked.to_string()));
o.insert("disagrees".into(), json!(disagrees));
}
Attested::Entry { entry_id } => {
o.insert("entry_id".into(), json!(entry_id));
}
Attested::Period {
period_id,
audit_run_id,
} => {
o.insert("period_id".into(), json!(period_id));
o.insert("audit_run_id".into(), json!(audit_run_id));
}
}
o.insert("by".into(), json!(a.by));
o.insert("at".into(), json!(a.at));
o.insert("method".into(), method_json(&a.method));
put(&mut o, "note", a.note.clone());
Value::Object(o)
}
/// Read one of the three attestation events by its line.
pub fn attestation_of(
line: &crate::journal::JournalLine,
) -> Result<crate::audit::Attestation, StoreError> {
use crate::audit::Attested;
let p = &line.payload;
let e = line.line_type.as_str();
let what = match e {
"receipt.attested" => Attested::Receipt {
attachment_id: u64_of(p, e, "attachment_id")?,
entry_id: u64_of(p, e, "entry_id")?,
amount_checked: str_of(p, e, "amount_checked")?
.parse()
.map_err(|_| corrupt(e, "amount_checked"))?,
date_checked: date_of(&str_of(p, e, "date_checked")?, e, "date_checked")?,
disagrees: p
.get("disagrees")
.and_then(Value::as_bool)
.ok_or_else(|| corrupt(e, "disagrees"))?,
},
"entry.reviewed" => Attested::Entry {
entry_id: u64_of(p, e, "entry_id")?,
},
"period.attested" => Attested::Period {
period_id: u64_of(p, e, "period_id")?,
audit_run_id: u64_of(p, e, "audit_run_id")?,
},
_ => return Err(crate::format::unknown_type(line)),
};
Ok(crate::audit::Attestation {
seq: line.seq,
by: str_of(p, e, "by")?,
at: str_of(p, e, "at")?,
method: method_of(
Some(line),
p.get("method").ok_or_else(|| corrupt(e, "method"))?,
e,
)?,
note: opt_str(p, e, "note")?,
what,
})
}
#[cfg(test)]
mod tests {
use super::*;
+37 -1
View File
@@ -5,7 +5,7 @@
//! is the current version.
/// Current schema version.
pub const SCHEMA_VERSION: u32 = 19;
pub const SCHEMA_VERSION: u32 = 20;
/// Migrations, in order. `MIGRATIONS[i]` migrates from version `i` to `i+1`.
pub const MIGRATIONS: &[&str] = &[
@@ -485,5 +485,41 @@ CREATE TABLE IF NOT EXISTS draft_states(
state TEXT NOT NULL,
note TEXT NULL
);
"#,
r#"
-- v20: audits and attestations (plan P8, feature `audits`). An audit run
-- is a row per `audit.run`: the date it covers, the figure head it was
-- made at, the hashes that make it reproducible and the filed workpaper.
-- An attestation is a row per `receipt.attested`, `entry.reviewed` or
-- `period.attested`; whether one counts is derived against
-- `policy.attestation_bar` when asked and never stored. The method is the
-- client's own claim, kept as canonical JSON. Amounts stay TEXT.
CREATE TABLE IF NOT EXISTS audits(
id INTEGER PRIMARY KEY,
through TEXT NOT NULL,
through_seq INTEGER NOT NULL,
scope TEXT NOT NULL,
program_version TEXT NOT NULL,
tb_hash TEXT NOT NULL,
findings_sha256 TEXT NOT NULL,
workpaper_attachment INTEGER NULL,
workpaper_pdf INTEGER NULL,
seq INTEGER NOT NULL
);
CREATE TABLE IF NOT EXISTS attestations(
seq INTEGER PRIMARY KEY,
kind TEXT NOT NULL,
attachment_id INTEGER NULL,
entry_id INTEGER NULL,
period_id INTEGER NULL,
audit_run_id INTEGER NULL,
by_who TEXT NOT NULL,
at_ts TEXT NOT NULL,
method TEXT NOT NULL,
amount_checked TEXT NULL,
date_checked TEXT NULL,
disagrees INTEGER NULL,
note TEXT NULL
);
"#,
];
+34
View File
@@ -51,6 +51,9 @@ use rust_decimal::Decimal;
use serde_json::{Value, json};
use std::path::{Path, PathBuf};
#[path = "audit.rs"]
pub mod audit;
/// File names inside the data directory.
pub const JOURNAL_FILE: &str = "journal.jsonl";
@@ -7594,6 +7597,21 @@ fn replay_line(
let a = crate::meta::annotated_of(line)?;
ledger.replay_annotate_attachment(a)?;
}
"audit.run" => {
// Not accounting state; the projection records it. Checked
// for shape here (an unknown scope is newer, rules.md B-27).
crate::meta::audit_run_of(line)?;
}
// A claim that someone checked; no figure moves.
"receipt.attested" => {
crate::meta::attestation_of(line)?;
}
"entry.reviewed" => {
crate::meta::attestation_of(line)?;
}
"period.attested" => {
crate::meta::attestation_of(line)?;
}
"entry.settles" => {
let (entry, settles) = crate::meta::entry_settles_of(p)?;
ledger.replay_set_entry_settles(entry, settles)?;
@@ -8809,6 +8827,22 @@ fn apply_line_rows(conn: &Connection, line: &JournalLine) -> Result<(), StoreErr
],
)?;
}
"audit.run" => {
let run = crate::meta::audit_run_of(line)?;
audit::insert_run(conn, &run)?;
}
"receipt.attested" => {
let a = crate::meta::attestation_of(line)?;
audit::insert_attestation(conn, &a)?;
}
"entry.reviewed" => {
let a = crate::meta::attestation_of(line)?;
audit::insert_attestation(conn, &a)?;
}
"period.attested" => {
let a = crate::meta::attestation_of(line)?;
audit::insert_attestation(conn, &a)?;
}
"entry.settles" => {
// Rebuilt into the ledger by replay; no report rows.
}
+612
View File
@@ -0,0 +1,612 @@
//! Audits and attestations in the store (plan P8; rules.md B-45): the
//! `audits` feature, the figure head, idempotent runs, attestations that
//! rest on a head, and the integrity findings only the store can see.
use chrono::NaiveDate;
use ledger_core::audit::{Effort, Method, Scope};
use ledger_core::{AccountType, Currency, Money, Side};
use ledger_store::audit::{self, Attested, BackupStanding, Claim, NewAuditRun, backup_findings};
use ledger_store::format::{AUDITS, JournalFormat};
use ledger_store::{BlobStore, JOURNAL_FILE, JournalWriter, Store, StoreError};
use rust_decimal::Decimal;
use serde_json::json;
use std::path::PathBuf;
struct TestDir(PathBuf);
impl std::ops::Deref for TestDir {
type Target = std::path::Path;
fn deref(&self) -> &std::path::Path {
&self.0
}
}
impl Drop for TestDir {
fn drop(&mut self) {
let _ = std::fs::remove_dir_all(&self.0);
}
}
fn test_dir(name: &str) -> TestDir {
let dir = std::env::temp_dir().join(format!("wb-audit-{name}-{}", std::process::id()));
let _ = std::fs::remove_dir_all(&dir);
std::fs::create_dir_all(&dir).unwrap();
TestDir(dir)
}
fn d(m: u32, day: u32) -> NaiveDate {
NaiveDate::from_ymd_opt(2026, m, day).unwrap()
}
fn usd(s: &str) -> Money {
Money::new(s.parse().unwrap(), Currency::USD)
}
struct Fx {
bank: u64,
capital: u64,
supplies: u64,
/// A posted 40.00 purchase.
entry: u64,
}
/// A bank, capital and an expense account, and a posted 40.00 purchase on
/// the 5th.
fn books(dir: &std::path::Path, format: Option<&JournalFormat>) -> (Store, Fx) {
let mut s = match format {
Some(f) => Store::create_in_format(dir, Currency::USD, f).unwrap(),
None => Store::create(dir, Currency::USD).unwrap(),
};
let bank = s
.add_account("1000", "Bank", AccountType::Asset, None, false)
.unwrap();
let capital = s
.add_account("3000", "Capital", AccountType::Equity, None, false)
.unwrap();
let supplies = s
.add_account("6000", "Supplies", AccountType::Expense, None, false)
.unwrap();
let e = s.create_entry(d(1, 1), "Opening").unwrap();
s.add_line(e, bank, Side::Debit, usd("500.00")).unwrap();
s.add_line(e, capital, Side::Credit, usd("500.00")).unwrap();
s.post_entry(e).unwrap();
let entry = s.create_entry(d(1, 5), "Printer paper").unwrap();
s.add_line(entry, supplies, Side::Debit, usd("40.00"))
.unwrap();
s.add_line(entry, bank, Side::Credit, usd("40.00")).unwrap();
s.post_entry(entry).unwrap();
(
s,
Fx {
bank,
capital,
supplies,
entry,
},
)
}
fn run_of(s: &Store, through: NaiveDate, scope: Scope) -> NewAuditRun {
NewAuditRun {
through,
through_seq: s.figure_head().unwrap(),
scope,
tb_hash: "tb".into(),
findings_sha256: "fs".into(),
workpaper_attachment: None,
workpaper_pdf: None,
}
}
fn claim(effort: &str) -> Claim {
Claim {
by: "verifier-1".into(),
method: Method {
model: Some("opus".into()),
reasoning_effort: Effort::parse(effort),
adversarial: Some(true),
verifier_agents: Some(2),
},
note: None,
}
}
fn journal_bytes(dir: &std::path::Path) -> Vec<u8> {
std::fs::read(dir.join(JOURNAL_FILE)).unwrap()
}
/// R-A: every write of the feature waits for the owner's upgrade,
/// journaling nothing; afterwards it is taken and the books replay to
/// what was live.
#[test]
fn audit_writes_wait_for_audits() {
let dir = test_dir("waits");
let (mut s, fx) = books(&dir, Some(&JournalFormat::default()));
assert!(!s.journal_format().has_feature(AUDITS));
let (att, _, _) = s
.attach_receipt(Some(fx.entry), "r.txt", "text/plain", b"paper 40.00", None)
.unwrap();
let before = journal_bytes(&dir);
let new = run_of(&s, d(1, 31), Scope::Month);
for r in [
s.record_audit_run(new.clone()).map(|_| ()),
s.attest_receipt(
att,
fx.entry,
"40.00".parse().unwrap(),
d(1, 5),
claim("high"),
)
.map(|_| ()),
s.review_entry(fx.entry, claim("high")).map(|_| ()),
] {
match r {
Err(StoreError::FormatUpgradePending { need }) => {
assert_eq!(need, "the journal feature audits")
}
other => panic!("expected FormatUpgradePending, got {other:?}"),
}
}
assert_eq!(journal_bytes(&dir), before, "a refusal journals nothing");
s.upgrade_format().unwrap();
let run = s
.record_audit_run(run_of(&s, d(1, 31), Scope::Month))
.unwrap();
s.review_entry(fx.entry, claim("high")).unwrap();
s.verify().unwrap();
drop(s);
let s = Store::open(&dir).unwrap();
s.verify().unwrap();
assert_eq!(s.audit_runs().unwrap(), vec![run]);
assert_eq!(s.attestations().unwrap().len(), 1);
}
/// INVARIANT 1 and 2: filing a workpaper and journaling the run do not
/// move the figure head; an entry does; the same audit asked again
/// returns the first run and journals nothing.
#[test]
fn a_run_is_idempotent_on_the_figure_head() {
let dir = test_dir("idem");
let (mut s, fx) = books(&dir, None);
let head = s.figure_head().unwrap();
let (wp, _, _) = s
.file_document("workpaper", "w.json", "application/json", b"{}", None)
.unwrap();
assert_eq!(s.figure_head().unwrap(), head, "a filing is not a figure");
let mut new = run_of(&s, d(1, 31), Scope::Month);
new.workpaper_attachment = Some(wp);
let first = s.record_audit_run(new.clone()).unwrap();
assert_eq!(first.id, 1);
assert_eq!(first.through_seq, head);
assert_eq!(s.figure_head().unwrap(), head, "a run is not a figure");
let bytes = journal_bytes(&dir);
let again = s.record_audit_run(new).unwrap();
assert_eq!(again, first);
assert_eq!(journal_bytes(&dir), bytes, "asking again journals nothing");
assert!(s.audit_is_current(&first).unwrap());
// Another scope is another run.
let other = s
.record_audit_run(run_of(&s, d(1, 31), Scope::Full))
.unwrap();
assert_eq!(other.id, 2);
// An entry moves the head: the run no longer stands.
let e = s.create_entry(d(2, 1), "Stamps").unwrap();
s.add_line(e, fx.supplies, Side::Debit, usd("3.00"))
.unwrap();
s.add_line(e, fx.bank, Side::Credit, usd("3.00")).unwrap();
s.post_entry(e).unwrap();
assert!(s.figure_head().unwrap() > head);
assert!(!s.audit_is_current(&first).unwrap());
s.verify().unwrap();
}
/// A receipt reading that differs from the entry's is recorded, marked,
/// and never counts; one that agrees is not marked. The receipt must be on
/// the entry.
#[test]
fn amount_mismatch_never_counts() {
let dir = test_dir("mismatch");
let (mut s, fx) = books(&dir, None);
let (att, _, _) = s
.attach_receipt(Some(fx.entry), "r.txt", "text/plain", b"paper", None)
.unwrap();
let other = s
.attach_receipt(None, "x.txt", "text/plain", b"stray", None)
.unwrap()
.0;
let amount = |t: &str| -> Decimal { t.parse().unwrap() };
let disagrees = |a: &ledger_store::audit::Attestation| match a.what {
Attested::Receipt { disagrees, .. } => disagrees,
_ => panic!("not a receipt"),
};
let ok = s
.attest_receipt(att, fx.entry, amount("40.00"), d(1, 5), claim("high"))
.unwrap();
assert!(!disagrees(&ok));
let wrong_amount = s
.attest_receipt(att, fx.entry, amount("41.00"), d(1, 5), claim("high"))
.unwrap();
assert!(disagrees(&wrong_amount));
let wrong_date = s
.attest_receipt(att, fx.entry, amount("40.00"), d(1, 6), claim("high"))
.unwrap();
assert!(disagrees(&wrong_date));
// Refused: a receipt not on the entry, a draft, an unknown entry.
assert!(matches!(
s.attest_receipt(other, fx.entry, amount("40.00"), d(1, 5), claim("high")),
Err(StoreError::AuditRefused(_))
));
let draft = s.create_entry(d(2, 2), "Draft").unwrap();
assert!(matches!(
s.review_entry(draft, claim("high")),
Err(StoreError::AuditRefused(_))
));
assert!(s.review_entry(999, claim("high")).is_err());
// All three kinds replay, in order.
s.verify().unwrap();
drop(s);
let s = Store::open(&dir).unwrap();
let got = s.attestations().unwrap();
assert_eq!(got.len(), 3);
assert!(got.windows(2).all(|w| w[0].seq < w[1].seq));
assert_eq!(got[0].method.reasoning_effort, Some(Effort::High));
assert_eq!(got[0].by, "verifier-1");
}
/// INVARIANT 3: a period is attested only on a run at the current head
/// that covers it; an entry since makes the run stale and the attestation
/// is refused until the audit is run again.
#[test]
fn stale_head_period_attestation_refused() {
let dir = test_dir("stale");
let (mut s, fx) = books(&dir, None);
let jan = s.create_period("2026-01", d(1, 1), d(1, 31)).unwrap();
// No audit yet.
assert!(matches!(
s.attest_period(jan, claim("high")),
Err(StoreError::AuditRefused(_))
));
// An audit through before the period's end does not cover it.
s.record_audit_run(run_of(&s, d(1, 15), Scope::Month))
.unwrap();
assert!(matches!(
s.attest_period(jan, claim("high")),
Err(StoreError::AuditRefused(_))
));
let run = s
.record_audit_run(run_of(&s, d(1, 31), Scope::Month))
.unwrap();
let (a, on) = s.attest_period(jan, claim("high")).unwrap();
assert_eq!(on.id, run.id);
assert_eq!(
a.what,
Attested::Period {
period_id: jan,
audit_run_id: run.id
}
);
// An entry since: the run is stale.
let e = s.create_entry(d(2, 1), "Stamps").unwrap();
s.add_line(e, fx.supplies, Side::Debit, usd("3.00"))
.unwrap();
s.add_line(e, fx.capital, Side::Credit, usd("3.00"))
.unwrap();
s.post_entry(e).unwrap();
let head = s.head();
match s.attest_period(jan, claim("high")) {
Err(StoreError::AuditRefused(why)) => assert!(why.contains("books.audit"), "{why}"),
other => panic!("expected a refusal, got {other:?}"),
}
assert_eq!(s.head(), head, "a refusal journals nothing");
s.verify().unwrap();
}
/// The integrity table: each code seeded alone.
#[test]
fn integrity_detects_each_seeded_defect() {
// A whole book finds nothing.
{
let dir = test_dir("whole");
let (s, _) = books(&dir, None);
assert_eq!(s.integrity_findings(), vec![]);
}
let seed = |code: &str| -> Vec<&'static str> {
let dir = test_dir(&format!("seed-{code}"));
let (mut s, fx) = books(&dir, None);
let found = match code {
"blob_missing" | "blob_damaged" | "extraction_blob_missing" => {
let (_, sha, _) = s
.attach_receipt(Some(fx.entry), "r.txt", "text/plain", b"paper 40.00", None)
.unwrap();
let target = if code == "extraction_blob_missing" {
// The text the extractor read, content-addressed too.
let x = s.extractions().unwrap().pop().expect("an extraction");
x.text_sha256.expect("text")
} else {
sha
};
let path = dir.join("blobs").join(&target[..2]).join(&target);
let path = if path.exists() {
path
} else {
// The store's own layout.
walk(&dir.join("blobs"), &target).expect("the blob file")
};
if code == "blob_damaged" {
std::fs::write(&path, b"tampered").unwrap();
} else {
std::fs::remove_file(&path).unwrap();
}
s.integrity_findings()
}
"duplicate_blob" => {
drop(s);
let bytes = b"filed twice by an older version";
let (sha, _) = BlobStore::open(&dir.join("blobs"))
.unwrap()
.put(bytes)
.unwrap();
let mut w = JournalWriter::open(&dir.join(JOURNAL_FILE)).unwrap();
for (id, name) in [(1, "one.pdf"), (2, "two.pdf")] {
w.append(
"receipt.attached",
json!({
"attachment_id": id, "blob_sha": sha, "entry_id": null,
"category": "receipts", "file_name": name,
"mime_type": "application/pdf", "size_bytes": bytes.len() as u64,
"description": null,
}),
)
.unwrap();
}
drop(w);
Store::open(&dir).unwrap().integrity_findings()
}
"access_log_damaged" => {
std::fs::write(
dir.join("access.jsonl"),
b"{\"not\": \"a chained record\"}\n",
)
.unwrap();
s.integrity_findings()
}
"projection_differs" => {
let db = ledger_store::database_in_use(&dir);
let conn = rusqlite::Connection::open(&db).unwrap();
conn.execute("DELETE FROM lines", []).unwrap();
drop(conn);
s.integrity_findings()
}
"journal_damaged" => {
let path = dir.join(JOURNAL_FILE);
let text = std::fs::read_to_string(&path).unwrap();
std::fs::write(&path, text.replacen("Printer paper", "Printer papers", 1)).unwrap();
s.integrity_findings()
}
"backup_stale" => backup_findings(&[BackupStanding {
target: "folder".into(),
stale: true,
last_error: None,
drill_error: None,
}]),
"drill_failed" => backup_findings(&[BackupStanding {
target: "folder".into(),
stale: false,
last_error: None,
drill_error: Some("restore did not reach the head".into()),
}]),
other => panic!("no seed for {other}"),
};
found.iter().map(|f| f.code).collect()
};
for row in audit::CODES {
let got = seed(row.code);
assert!(got.contains(&row.code), "{}: found {got:?}", row.code);
// The seed implies nothing else but its own consequences: a
// missing or damaged file is found once; a damaged journal can
// also differ from its replay.
for c in &got {
assert!(
*c == row.code
|| (row.code == "journal_damaged" && *c == "projection_differs")
// verify reads a file's text too, so a damaged or missing
// stored file is also a replay that cannot be made.
|| (row.code.starts_with("blob_") || row.code == "extraction_blob_missing")
&& [
"blob_missing",
"blob_damaged",
"extraction_blob_missing",
"projection_differs",
]
.contains(c),
"{}: also found {c}",
row.code
);
}
}
// No backups set up is the owner's standing choice, not a finding.
assert!(backup_findings(&[]).is_empty());
}
fn walk(dir: &std::path::Path, name: &str) -> Option<PathBuf> {
for e in std::fs::read_dir(dir).ok()? {
let p = e.ok()?.path();
if p.is_dir() {
if let Some(f) = walk(&p, name) {
return Some(f);
}
} else if p.file_name().is_some_and(|n| n == name) {
return Some(p);
}
}
None
}
/// 8.0.6 item 2: the books the version before P8 wrote
/// (`old-books/p8_before`) open to the same journal, have no audit run or
/// claim, are whole (nothing for the integrity checks to find), refuse
/// the new writes until the owner's upgrade, and take them after it.
#[test]
fn books_the_version_before_p8_wrote_wait_for_the_upgrade() {
let from =
std::path::Path::new(env!("CARGO_MANIFEST_DIR")).join("tests/fixtures/old-books/p8_before");
let dir = test_dir("p8-before");
std::fs::create_dir_all(dir.join("blobs")).unwrap();
std::fs::copy(from.join(JOURNAL_FILE), dir.join(JOURNAL_FILE)).unwrap();
fn copy(from: &std::path::Path, to: &std::path::Path) {
std::fs::create_dir_all(to).unwrap();
for e in std::fs::read_dir(from).unwrap() {
let e = e.unwrap();
if e.file_type().unwrap().is_dir() {
copy(&e.path(), &to.join(e.file_name()));
} else {
std::fs::copy(e.path(), to.join(e.file_name())).unwrap();
}
}
}
copy(&from.join("blobs"), &dir.join("blobs"));
let mut s = Store::open(&dir).unwrap();
s.verify().unwrap();
assert!(!s.journal_format().has_feature(AUDITS));
assert!(s.audit_runs().unwrap().is_empty());
assert!(s.attestations().unwrap().is_empty());
assert_eq!(s.integrity_findings(), vec![]);
// The head is the last figure line; the filings after it don't move it.
let head = s.figure_head().unwrap();
assert!(head > 0 && head <= s.head().0);
let jan = s.ledger().list_periods()[0].id;
let before = journal_bytes(&dir);
assert!(matches!(
s.record_audit_run(run_of(&s, d(1, 31), Scope::Month)),
Err(StoreError::FormatUpgradePending { .. })
));
assert!(matches!(
s.attest_period(jan, claim("high")),
Err(StoreError::FormatUpgradePending { .. })
));
assert_eq!(journal_bytes(&dir), before, "refused: nothing journaled");
s.upgrade_format().unwrap();
let run = s
.record_audit_run(run_of(&s, d(1, 31), Scope::Month))
.unwrap();
s.attest_period(jan, claim("high")).unwrap();
assert_eq!(s.figure_head().unwrap(), head, "claims are not figures");
s.verify().unwrap();
drop(s);
let s = Store::open(&dir).unwrap();
s.verify().unwrap();
assert_eq!(s.audit_runs().unwrap(), vec![run]);
}
/// Done-when 2: books with an unfooted cash flow, a posted entry with no
/// receipt, an open draft and a duplicate file give exactly those four
/// findings: the statements' and the store's, together.
#[test]
fn four_defects_give_exactly_four_findings() {
use ledger_core::audit::{AuditInput, statements};
let dir = test_dir("four");
let (mut s, fx) = {
let mut s = Store::create(&dir, Currency::USD).unwrap();
let bank = s
.add_account("1000", "Bank", AccountType::Asset, None, false)
.unwrap();
let card = s
.add_account("2050", "Card", AccountType::Liability, None, false)
.unwrap();
let capital = s
.add_account("3000", "Capital", AccountType::Equity, None, false)
.unwrap();
let supplies = s
.add_account_with_tax(
"6000",
"Supplies",
AccountType::Expense,
None,
false,
Some(("supplies", None)),
)
.unwrap();
let e = s.create_entry(d(1, 1), "Opening").unwrap();
s.add_line(e, bank, Side::Debit, usd("500.00")).unwrap();
s.add_line(e, capital, Side::Credit, usd("500.00")).unwrap();
s.post_entry(e).unwrap();
s.attach_receipt(Some(e), "open.txt", "text/plain", b"deposit 500.00", None)
.unwrap();
// A purchase over the threshold with no receipt: posted through the
// primitive, as a hand entry made before the rule was tightened.
let bare = s.create_entry(d(1, 5), "Printer paper").unwrap();
s.add_line(bare, supplies, Side::Debit, usd("40.00"))
.unwrap();
s.add_line(bare, bank, Side::Credit, usd("40.00")).unwrap();
s.post_entry(bare).unwrap();
// An open draft.
let draft = s.create_entry(d(1, 9), "Stamps").unwrap();
s.add_line(draft, supplies, Side::Debit, usd("5.00"))
.unwrap();
s.add_line(draft, bank, Side::Credit, usd("5.00")).unwrap();
(s, (bank, card, bare))
};
// A duplicate: two records an older version filed for one file.
drop(s);
let bytes = b"filed twice by an older version";
let (sha, _) = BlobStore::open(&dir.join("blobs"))
.unwrap()
.put(bytes)
.unwrap();
let mut w = JournalWriter::open(&dir.join(JOURNAL_FILE)).unwrap();
for (id, name) in [(10, "one.pdf"), (11, "two.pdf")] {
w.append(
"receipt.attached",
json!({
"attachment_id": id, "blob_sha": sha, "entry_id": null,
"category": "receipts", "file_name": name,
"mime_type": "application/pdf", "size_bytes": bytes.len() as u64,
"description": null,
}),
)
.unwrap();
}
drop(w);
s = Store::open(&dir).unwrap();
let (bank, card, _) = fx;
// The statement of cash flows with a liability named as cash: the
// engine refuses it, and that refusal is the finding.
let params = ledger_core::CashFlowParams {
start: d(1, 1),
end: d(1, 31),
cash_accounts: vec![bank, card],
financing_accounts: vec![],
investing_accounts: vec![],
members: vec![],
};
let made = ledger_core::cash_flow(s.ledger(), &params)
.map(|c| c.reconciles)
.map_err(|e| e.to_string());
assert!(made.is_err(), "a liability is not a cash account");
let receipts = s.entries_with_receipts().unwrap();
let mut found = statements(
s.ledger(),
&AuditInput {
settings: s.ledger().settings(),
receipts: &receipts,
cash_flow: Some(&made),
settings_problems: &[],
undecided_1099: &[],
},
d(1, 31),
);
found.extend(s.integrity_findings());
ledger_core::audit::sort(&mut found);
let mut codes: Vec<&str> = found.iter().map(|f| f.code).collect();
codes.sort_unstable();
assert_eq!(
codes,
[
"cash_flow_unfooted",
"draft_open",
"duplicate_blob",
"evidence_missing"
],
"{found:#?}"
);
}
@@ -0,0 +1,85 @@
//! Writes `p8_before`: books the version before P8 (main b97234ac) wrote
//! through its Store API: a receipted opening and purchase, a 40.00
//! purchase with no receipt, a small one under the threshold, a reversal,
//! an invoice with a part payment, an open draft, and a closed January.
//! No audit run, attestation or attestation setting exists in that
//! version; this version opens the same journal and must report the same
//! figures, and an audit of it finds exactly the missing receipt and the
//! open draft.
use chrono::NaiveDate;
use ledger_core::{AccountType, Currency, DocumentLine, Money, Side};
use ledger_store::Store;
use rust_decimal::Decimal;
use std::path::PathBuf;
fn d(y: i32, m: u32, day: u32) -> NaiveDate {
NaiveDate::from_ymd_opt(y, m, day).unwrap()
}
fn cents(c: i64) -> Decimal {
Decimal::new(c, 2)
}
fn usd(c: i64) -> Money {
Money::new(cents(c), Currency::USD)
}
fn main() {
let root = PathBuf::from(std::env::args().nth(1).unwrap());
let dir = root.join("p8_before");
let _ = std::fs::remove_dir_all(&dir);
std::fs::create_dir_all(&dir).unwrap();
let mut s = Store::create(&dir, Currency::USD).unwrap();
let bank = s.add_account("1000", "Bank", AccountType::Asset, None, false).unwrap();
let capital = s.add_account("3000", "Capital", AccountType::Equity, None, false).unwrap();
let sales = s.add_account("4000", "Sales", AccountType::Revenue, None, false).unwrap();
let rent = s.add_account("6000", "Rent", AccountType::Expense, None, false).unwrap();
let software = s.add_account("6100", "Software", AccountType::Expense, None, false).unwrap();
let post = |s: &mut Store, date: NaiveDate, what: &str, dr: u64, cr: u64, c: i64| {
let e = s.create_entry(date, what).unwrap();
s.add_line(e, dr, Side::Debit, usd(c)).unwrap();
s.add_line(e, cr, Side::Credit, usd(c)).unwrap();
e
};
let seed = post(&mut s, d(2026, 1, 1), "Opening capital", bank, capital, 100_000);
s.post_entry(seed).unwrap();
s.attach_receipt(Some(seed), "opening.txt", "text/plain", b"Opening deposit 1000.00 2026-01-01", None)
.unwrap();
let rent_jan = post(&mut s, d(2026, 1, 5), "January rent", rent, bank, 50_000);
s.post_entry(rent_jan).unwrap();
s.attach_receipt(Some(rent_jan), "rent.txt", "text/plain", b"Rent January 500.00 2026-01-05", None)
.unwrap();
// 40.00 is over the 25.00 threshold: no receipt, so an audit finds it.
let paper = post(&mut s, d(2026, 1, 7), "Printer paper", software, bank, 4_000);
s.post_entry(paper).unwrap();
// Under the threshold: needs none.
let stamps = post(&mut s, d(2026, 1, 8), "Stamps", software, bank, 1_200);
s.post_entry(stamps).unwrap();
let wrong = post(&mut s, d(2026, 1, 12), "Rent paid twice", rent, bank, 50_000);
s.post_entry(wrong).unwrap();
s.attach_receipt(Some(wrong), "rent2.txt", "text/plain", b"Rent again 500.00 2026-01-12", None)
.unwrap();
s.reverse_entry(wrong, d(2026, 1, 14), "Entered twice").unwrap();
let customer = s.add_customer("Fernhill Labs").unwrap();
let inv = s
.create_invoice(
customer,
d(2026, 1, 10),
d(2026, 2, 9),
vec![DocumentLine {
description: "Design".into(),
amount: cents(120_000),
class_id: None,
account: None,
quantity: None,
unit_price: None,
}],
)
.unwrap();
s.receive_payment(inv, d(2026, 1, 20), cents(40_000), bank).unwrap();
// An open draft in February; January closes around it.
let _open = post(&mut s, d(2026, 2, 12), "Coworking day pass", rent, bank, 3_500);
let jan = s.create_period("2026-01", d(2026, 1, 1), d(2026, 1, 31)).unwrap();
s.close_period(jan).unwrap();
let _ = sales;
s.verify().unwrap();
println!("WROTE {:?}", dir);
}
@@ -0,0 +1,461 @@
{
"assets": [],
"bills": [],
"entries": [
{
"date": "2026-01-01",
"description": "Opening capital",
"id": 1,
"lines": [
{
"account": 1,
"amount": {
"amount": "1000.00",
"currency": [
85,
83,
68
]
},
"side": "Debit"
},
{
"account": 2,
"amount": {
"amount": "1000.00",
"currency": [
85,
83,
68
]
},
"side": "Credit"
}
],
"reversal_of": null,
"status": "Posted"
},
{
"date": "2026-01-05",
"description": "January rent",
"id": 2,
"lines": [
{
"account": 4,
"amount": {
"amount": "500.00",
"currency": [
85,
83,
68
]
},
"side": "Debit"
},
{
"account": 1,
"amount": {
"amount": "500.00",
"currency": [
85,
83,
68
]
},
"side": "Credit"
}
],
"reversal_of": null,
"status": "Posted"
},
{
"date": "2026-01-07",
"description": "Printer paper",
"id": 3,
"lines": [
{
"account": 5,
"amount": {
"amount": "40.00",
"currency": [
85,
83,
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@@ -0,0 +1,52 @@
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{"payload":{"account_type":"Expense","code":"6100","currency":"USD","id":5,"name":"Software","parent":null,"placeholder":false},"prev":"3088d962972a512f5d1a12a8dd4da1da6ae8d1388e67ea18666b87687401b97c","seq":7,"ts":"2026-10-29T20:33:26Z","type":"account.added"}
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{"payload":{"date":"2026-01-08","description":"Stamps","id":4},"prev":"e54f5a63600a423bc05f572cc2e5357b591afee176de438adbfc673e10028443","seq":24,"ts":"2026-10-29T20:33:26Z","type":"entry.created"}
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{"payload":{"account":1,"amount":"12.00","currency":"USD","id":4,"side":"credit"},"prev":"9231e3a5b347df6caabb01248419230918234919a32552ebb509706a79f4cfd0","seq":26,"ts":"2026-10-29T20:33:26Z","type":"entry.line_added"}
{"payload":{"date":"2026-01-08","description":"Stamps","id":4,"lines":[{"account":5,"amount":"12.00","currency":"USD","side":"debit"},{"account":1,"amount":"12.00","currency":"USD","side":"credit"}],"reversal_of":null},"prev":"66e4fd5f78d0499f6c748e283ba81325fb43d3277a73bc7ba02e1cc43a8e3d37","seq":27,"ts":"2026-10-29T20:33:27Z","type":"entry.posted"}
{"payload":{"date":"2026-01-12","description":"Rent paid twice","id":5},"prev":"e62d56bcde5b843e5b007e5d70bec0b39159e04c0e496533341af80fb2c04e88","seq":28,"ts":"2026-10-29T20:33:27Z","type":"entry.created"}
{"payload":{"account":4,"amount":"500.00","currency":"USD","id":5,"side":"debit"},"prev":"b9270e6df82d8f9972ec1ce5046113bc460e1c28b48a1d23a3f5631dae23eb6c","seq":29,"ts":"2026-10-29T20:33:27Z","type":"entry.line_added"}
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{"payload":{"date":"2026-01-12","description":"Rent paid twice","id":5,"lines":[{"account":4,"amount":"500.00","currency":"USD","side":"debit"},{"account":1,"amount":"500.00","currency":"USD","side":"credit"}],"reversal_of":null},"prev":"994d4a25eb115362c405208ffc926af4898c61e0938d225c3cceb1aaff2520b1","seq":31,"ts":"2026-10-29T20:33:27Z","type":"entry.posted"}
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{"payload":{"attachment_id":3,"extractor":"wanderbooks","pages":1,"status":"ok","text_sha256":"65c730c09a9b8c3ecf4cc2ae55fafe083dc33e2111abe6cafaf6fcb02a7d8ad8","version":"0.1.0"},"prev":"6908282c4f663ee92e59574a7f772d341692a684975433afb0370fe7f25ad798","seq":33,"ts":"2026-10-29T20:33:27Z","type":"attachment.text_extracted"}
{"payload":{"date":"2026-01-14","description":"Entered twice","id":6,"lines":[{"account":4,"amount":"500.00","currency":"USD","side":"credit"},{"account":1,"amount":"500.00","currency":"USD","side":"debit"}],"reverses":5},"prev":"d8fae93f64fa2c2fafa13ed4ed3a6f578a6d7a2af15cdef1bd2b3bed86242665","seq":34,"ts":"2026-10-29T20:33:27Z","type":"entry.reversed"}
{"payload":{"id":1,"name":"Fernhill Labs"},"prev":"c525d0946d25b018a020b71072d59e39a6a842d85fa4c554af73965235b93aca","seq":35,"ts":"2026-10-29T20:33:27Z","type":"customer.added"}
{"payload":{"account_type":"Asset","code":"1200","currency":"USD","id":6,"name":"Accounts Receivable","parent":null,"placeholder":false},"prev":"99f31ecc1df1963071728eb1927d66574cbbc48579604183b569b0507f725aaa","seq":36,"ts":"2026-10-29T20:33:27Z","type":"account.added"}
{"payload":{"date":"2026-01-10","description":"Invoice 1","id":7},"prev":"000b3f21fbda30070ebdc436788844e60e7fb30a2c574a4fc96df1184e6a974f","seq":37,"ts":"2026-10-29T20:33:27Z","type":"entry.created"}
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{"payload":{"date":"2026-01-20","description":"Payment on invoice 1","id":8},"prev":"293d3e1a957fa177d28515cf7a4dfa324945bb73d8a2b535844fbaafa186ff1a","seq":42,"ts":"2026-10-29T20:33:27Z","type":"entry.created"}
{"payload":{"account":6,"amount":"400.00","currency":"USD","id":8,"side":"credit"},"prev":"68c56c6c09a27ba436c95d4ebe2e0fb56511bf5db181ad424d7c6ed56cfd0bc3","seq":43,"ts":"2026-10-29T20:33:27Z","type":"entry.line_added"}
{"payload":{"account":1,"amount":"400.00","currency":"USD","id":8,"side":"debit"},"prev":"5284c73245f1f3a6d2820a6165fe720bc7b7034ad3cd07ba1320f30fed4acadc","seq":44,"ts":"2026-10-29T20:33:27Z","type":"entry.line_added"}
{"payload":{"date":"2026-01-20","description":"Payment on invoice 1","id":8,"lines":[{"account":6,"amount":"400.00","currency":"USD","side":"credit"},{"account":1,"amount":"400.00","currency":"USD","side":"debit"}],"reversal_of":null},"prev":"c2afa1d4c940bbc35df2ec94272080c5fa0dad93a9547cbec6d07ab11f4ba4f3","seq":45,"ts":"2026-10-29T20:33:27Z","type":"entry.posted"}
{"payload":{"amount":"400.00","cash_account":1,"date":"2026-01-20","entry_id":8,"invoice_id":1},"prev":"30a6274b20559dc7f83f2b00f39da4c72bc4244c013ad63368d0f6362311e058","seq":46,"ts":"2026-10-29T20:33:27Z","type":"invoice.payment_received"}
{"payload":{"date":"2026-02-12","description":"Coworking day pass","id":9},"prev":"adb2e790bd245c5ab0286870ad837296d0df062498c080b4349579b9f5f67ed9","seq":47,"ts":"2026-10-29T20:33:27Z","type":"entry.created"}
{"payload":{"account":4,"amount":"35.00","currency":"USD","id":9,"side":"debit"},"prev":"030bdf46cf4b8dae86f000cca47fd0f95d0f7dc01f3637729c082797846a1416","seq":48,"ts":"2026-10-29T20:33:27Z","type":"entry.line_added"}
{"payload":{"account":1,"amount":"35.00","currency":"USD","id":9,"side":"credit"},"prev":"b6e4796ab7517782b0e5ee77126e5701246d2b4234c505bc079ba1ce93ad4b04","seq":49,"ts":"2026-10-29T20:33:28Z","type":"entry.line_added"}
{"payload":{"end":"2026-01-31","id":1,"name":"2026-01","start":"2026-01-01"},"prev":"d5653ccd2b9fdc574ebb68c068246e70b69639f26a3934faf41eeeb77dc5f8bb","seq":50,"ts":"2026-10-29T20:33:28Z","type":"period.created"}
{"payload":{"account_type":"Equity","code":"3999","currency":"USD","id":7,"name":"Retained Earnings","parent":null,"placeholder":false},"prev":"14a0f2b42d59a5a18e901c935c1fe15198d6a8d308917359b840504b74700cb8","seq":51,"ts":"2026-10-29T20:33:28Z","type":"account.added"}
{"payload":{"close_to":"retained_earnings","closing_entry":10,"entry":{"date":"2026-01-31","description":"Close period 2026-01","id":10,"lines":[{"account":3,"amount":"1200.00","currency":"USD","side":"debit"},{"account":4,"amount":"500.00","currency":"USD","side":"credit"},{"account":5,"amount":"52.00","currency":"USD","side":"credit"},{"account":7,"amount":"648.00","currency":"USD","side":"credit"}]},"id":1},"prev":"724a1d45168bcb5282dd894952b98aa4b364641158c42e9204758de8c2afeba2","seq":52,"ts":"2026-10-29T20:33:28Z","type":"period.closed"}
+49 -16
View File
@@ -150,7 +150,7 @@ fn assert_corrupt<T>(got: Result<T, StoreError>) {
fn old_reader_gets_newer_journal() {
let cases = [
(
"period.attested",
"ledger.not_yet_written",
json!({"key": "company.name", "value": "X"}),
"an event type this version doesn't know",
),
@@ -243,12 +243,24 @@ fn the_writer_and_the_viewer_agree_on_newer_books() {
&[
// Chained and of a known type, but replay refuses it.
("entry.posted", json!({"id": 99})),
("period.attested", json!({"key": "company.name"})),
("ledger.not_yet_written", json!({"key": "company.name"})),
],
)[1];
let need = "an event type this version doesn't know";
assert_newer(Store::open(&dir), seq, "period.attested", need, false);
assert_newer(Snapshot::load(&dir), seq, "period.attested", need, false);
assert_newer(
Store::open(&dir),
seq,
"ledger.not_yet_written",
need,
false,
);
assert_newer(
Snapshot::load(&dir),
seq,
"ledger.not_yet_written",
need,
false,
);
}
/// Damage stays corruption, whatever the damaged line's type: the gate
@@ -282,7 +294,7 @@ fn damaged_journals_are_still_corrupt() {
];
let newer = [
(FORMAT_SET, json!({"format": 3, "features": []})),
("period.attested", json!({"key": "company.name"})),
("ledger.not_yet_written", json!({"key": "company.name"})),
];
for (name, damage) in damages {
for (i, last) in newer.iter().enumerate() {
@@ -566,32 +578,32 @@ fn a_newer_format_frames_its_lines_its_own_way() {
let nexts: [(&str, Next, Option<bool>); 6] = [
(
"float",
|seq, prev| json!({"seq": seq, "ts": "t", "type": "period.attested", "payload": {"rate": 0.5}, "prev": prev}),
|seq, prev| json!({"seq": seq, "ts": "t", "type": "ledger.not_yet_written", "payload": {"rate": 0.5}, "prev": prev}),
Some(true),
),
(
"string-seq",
|seq, prev| json!({"seq": seq.to_string(), "ts": "t", "type": "period.attested", "payload": {}, "prev": prev}),
|seq, prev| json!({"seq": seq.to_string(), "ts": "t", "type": "ledger.not_yet_written", "payload": {}, "prev": prev}),
Some(true),
),
(
"envelope-key",
|seq, prev| json!({"seq": seq, "ts": "t", "type": "period.attested", "payload": {}, "prev": prev, "actor": "agent"}),
|seq, prev| json!({"seq": seq, "ts": "t", "type": "ledger.not_yet_written", "payload": {}, "prev": prev, "actor": "agent"}),
Some(true),
),
(
"no-prev",
|seq, prev| json!({"seq": seq, "ts": "t", "type": "period.attested", "payload": {}, "parent": prev}),
|seq, prev| json!({"seq": seq, "ts": "t", "type": "ledger.not_yet_written", "payload": {}, "parent": prev}),
Some(false),
),
(
"prev-not-text",
|seq, _| json!({"seq": seq, "ts": "t", "type": "period.attested", "payload": {}, "prev": 1.5}),
|seq, _| json!({"seq": seq, "ts": "t", "type": "ledger.not_yet_written", "payload": {}, "prev": 1.5}),
Some(false),
),
(
"wrong-prev",
|seq, _| json!({"seq": seq, "ts": "t", "type": "period.attested", "payload": {"rate": 0.5}, "prev": "00"}),
|seq, _| json!({"seq": seq, "ts": "t", "type": "ledger.not_yet_written", "payload": {"rate": 0.5}, "prev": "00"}),
None,
),
];
@@ -686,11 +698,23 @@ fn a_line_that_is_not_utf8_is_corrupt_for_the_viewer_and_the_writer() {
} else {
// After a refused line, it is a next line without a readable
// prev: unverified, for both.
let seq = append(&dir, &[("period.attested", json!({}))])[0];
let seq = append(&dir, &[("ledger.not_yet_written", json!({}))])[0];
append_raw(&dir, b"{\"prev\":\"\xff\"}\n");
let need = "an event type this version doesn't know";
assert_newer(Store::open(&dir), seq, "period.attested", need, false);
assert_newer(Snapshot::load(&dir), seq, "period.attested", need, false);
assert_newer(
Store::open(&dir),
seq,
"ledger.not_yet_written",
need,
false,
);
assert_newer(
Snapshot::load(&dir),
seq,
"ledger.not_yet_written",
need,
false,
);
}
}
}
@@ -703,12 +727,21 @@ fn a_line_that_is_not_utf8_is_corrupt_for_the_viewer_and_the_writer() {
fn an_old_reader_never_repairs_newer_books() {
let dir = test_dir("newer-torn");
books(&dir);
let seq = append(&dir, &[("period.attested", json!({"key": "company.name"}))])[0];
let seq = append(
&dir,
&[("ledger.not_yet_written", json!({"key": "company.name"}))],
)[0];
append_raw(&dir, b"{\"seq\":");
let path = dir.join(JOURNAL_FILE);
let before = std::fs::read(&path).unwrap();
let need = "an event type this version doesn't know";
assert_newer(Store::open(&dir), seq, "period.attested", need, false);
assert_newer(
Store::open(&dir),
seq,
"ledger.not_yet_written",
need,
false,
);
assert_eq!(std::fs::read(&path).unwrap(), before);
let set_aside: Vec<_> = std::fs::read_dir(&dir)
.unwrap()
+42
View File
@@ -2181,6 +2181,37 @@ fn books_written_under_older_rules_still_open() {
json!({"id": 1, "source": cpa, "reason": "raised by the CPA"}),
)
.unwrap();
// P8's new shapes, hand-written as this version writes them: an audit
// run and the three kinds of attestation (the method is the client's
// own claim). This reader takes them; the version before it stopped at
// the declaration.
let method = json!({"model": "opus", "reasoning_effort": "high",
"adversarial": true, "verifier_agents": 2});
w.append(
"audit.run",
json!({"id": 1, "through": "2026-05-31", "through_seq": 30, "scope": "month",
"program_version": "audit-0.1.0-1", "tb_hash": "aa", "findings_sha256": "bb",
"workpaper_attachment": 6, "workpaper_pdf": 7}),
)
.unwrap();
w.append(
"receipt.attested",
json!({"attachment_id": 5, "entry_id": 2, "by": "verifier", "at": "2026-06-01T00:00:00Z",
"method": method, "amount_checked": "99.99", "date_checked": "2026-04-01",
"disagrees": false, "note": "read the page"}),
)
.unwrap();
w.append(
"entry.reviewed",
json!({"entry_id": 2, "by": "verifier", "at": "2026-06-01T00:00:01Z", "method": {}}),
)
.unwrap();
w.append(
"period.attested",
json!({"period_id": 1, "by": "verifier", "at": "2026-06-01T00:00:02Z",
"method": method, "audit_run_id": 1}),
)
.unwrap();
drop(w);
// Opening rebuilds from the journal; it must accept all of it.
let _ = std::fs::remove_file(dir.join(ledger_store::db_file()));
@@ -2210,6 +2241,17 @@ fn books_written_under_older_rules_still_open() {
assert_eq!(annotation.fields.receipt_number, Some(3));
assert_eq!(annotation.fields.payee.as_deref(), Some("Acme"));
assert_eq!(store.ledger().next_receipt_number(), 4);
// P8's shapes replayed: the run and the three claims, as written.
let runs = store.audit_runs().unwrap();
assert_eq!(runs.len(), 1);
assert_eq!(runs[0].scope, ledger_core::audit::Scope::Month);
assert_eq!(runs[0].workpaper_pdf, Some(7));
let claims = store.attestations().unwrap();
assert_eq!(claims.len(), 3);
assert_eq!(claims[0].kind(), "receipt");
assert_eq!(claims[0].method.verifier_agents, Some(2));
assert_eq!(claims[1].method, ledger_core::audit::Method::default());
assert_eq!(claims[2].kind(), "period");
assert_eq!(store.ledger().entry_settles(7), [1]);
assert!(store.ledger().settles_entry(1));
let acme = store.ledger().get_party(1).expect("the party");