btctax-core 0.13.0

Offline US Bitcoin tax engine — per-lot cost basis, realized gains, and IRS-form projection (part of btctax).
Documentation 
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//! btctax-core: domain model + pure deterministic event-sourced projection for the bitcoin_tax ledger.
//! The projection (`project`) is total and never panics (spec §7.1); only `persistence` performs I/O.
pub mod conservative;
pub mod conservative_promote;
pub mod conventions;
pub mod defensive;
pub mod donation;
pub mod event;
pub mod experimental;
pub mod forms;
pub mod identity;
pub mod optimize;
pub mod persistence;
pub mod price;
pub mod project;
pub mod state;
pub mod tax;
pub mod tranche_guard;
pub mod void;
pub mod whatif;

pub use conventions::{Sat, TaxDate, Usd};
pub use donation::DonationDetails;
pub use event::*;
pub use forms::{
    form_8283, form_8949, schedule_d, year_donation_deduction, Form8283HowAcquired, Form8283Row,
    Form8283Section, Form8949Box, Form8949Part, Form8949Row, ScheduleDPart, ScheduleDTotals,
    DIGITAL_ASSET_8949_FIRST_YEAR,
};
pub use identity::{EventId, Fingerprint, LotId, Source, SourceRef, WalletId};
pub use optimize::{
    consult_sale, optimize_year, score_assignment, ApproxReason, ConsultReport, ConsultRequest,
    DisposalProposal, OptimizeError, OptimizeProposal, Persistability, TimingInsight,
};
pub use price::PriceProvider;
pub use project::{
    conservation_report, disposal_compliance, evaluate_disposal, in_force_methods, project,
    pseudo_plan, would_conflict, CandidateDisposal, ComplianceStatus, ConservationReport,
    DisposalCompliance, EvaluateError, EvaluateOutcome, FeeTreatment, InForceMethod, LotMethod,
    ProjectionConfig, PseudoDefault, PseudoKind,
};
pub use state::*;
pub use tax::{
    apply_carryover_writeback, assemble_absolute, carryforward_consistency, compute_se_tax,
    compute_tax_year, loss_limit, niit_threshold, screen_absolute, se_addl_medicare_threshold,
    se_net_income, AbsoluteReturn, Carryforward, FilingStatus, LtcgBreakpoints, MarginalRates,
    OrdinaryBracket, OrdinarySchedule, PrefSplit, SeTaxResult, TaxOutcome, TaxProfile, TaxResult,
    TaxTable, TaxTables, NIIT_RATE, QUALIFIED_APPRAISAL_THRESHOLD, SE_NET_EARNINGS_FACTOR,
    SE_RATE_ADDL_MEDICARE, SE_RATE_MEDICARE, SE_RATE_SS,
};
pub use void::{is_revocable_payload, voidable_decisions};
pub use whatif::{
    CarryforwardDelta, ConsumedLot, HarvestReport, HarvestRequest, HarvestStatus, HarvestTarget,
    LtcgBracket, SellMethod, SellReport, SellRequest, SellStatus, WhatIfError, HARVEST_TAU_SAT,
};

#[derive(Debug, thiserror::Error)]
pub enum CoreError {
    #[error("sqlite: {0}")]
    Sqlite(#[from] rusqlite::Error),
    #[error("event (de)serialization: {0}")]
    Serde(#[from] serde_json::Error),
    #[error("persistence: {0}")]
    Persistence(String),
}