finlint-audit 0.3.0

Financial data integrity assertions engine

finlint-audit

Financial data integrity assertions engine. Part of finlint.

Quick Start

from finlint_audit import (
    assert_net_worth,
    AssertionContext,
    Account,
    AccountType,
)
from decimal import Decimal

ctx = AssertionContext(
    accounts=[
        Account(id="1", type=AccountType.DEPOSITORY, balance_current=Decimal("10000")),
        Account(id="2", type=AccountType.CREDIT, balance_current=Decimal("2500")),
    ],
    holdings=[],
    liabilities=[],
    snapshots=[],
    transactions=[],
)
result = assert_net_worth(ctx)
print(result.status)  # "pass"
print(result.metadata["net_worth"])  # "7500"

CLI

pip install finlint-audit[all]
finlint-audit --config finlint.yaml
finlint-audit --config finlint.yaml --format json
finlint-audit --config finlint.yaml --dry-run

Built-in Assertions

ID	Name	What it checks
nw-001	Net Worth Equation	assets + investments - liabilities = net_worth
sign-001	Sign Correctness	Liabilities non-negative; no credit in asset totals
overlap-001	Overlap Detection	No duplicate accounts across users
snap-001	Snapshot Consistency	At most 1 snapshot/account/day; no gaps > N days
drift-001	Balance Drift	Latest snapshot ≈ current balance

License

Apache-2.0