Module settlement_ops 

Settlement persistence operations.

Free functions that take &mut PgConnection so they can be called from any context (DatabaseHandler trait impl, transaction closures, tests). Previously lived as private methods on DieselEventHandler.

Functions

claim_settlement_in_tx

Idempotent settlement claim: inserts expiration + payout + ledger event in one transaction. Panics on invariant violations (data corruption). Returns whether this was a new claim or a duplicate replay.

extract_expiry_ts

Parse a symbol string and extract its expiry timestamp.

insert_settlement_ledger_event_in_tx 🔒

insert_settlement_payout_in_tx 🔒

load_settlement_payout_in_tx 🔒

lock_and_validate_existing_settlement_claim_in_tx 🔒

mark_settlement_payout_applied_in_tx 🔒

observe_applied_settlement_in_tx

Read-only validation of an already-applied settlement (standby replay path). Panics on any inconsistency between the replay and the persisted state.

query_total_fill_volume

Total fill count and notional volume across all fills.

settlement_ledger_delta_for_margin_mode

Compute the ledger cash delta for a settlement based on margin mode. Standard mode uses settlement_value; portfolio mode uses net_pnl.

validate_existing_settlement_claim_readonly 🔒

validate_existing_settlement_ledger_in_tx 🔒

validate_existing_settlement_ledger_readonly 🔒

validate_existing_settlement_payout_facts 🔒

validate_settlement_economics_tuple

Validate settlement economics (entry price, cost basis, net PnL) and return as a tuple.

validate_settlement_ledger_deltas 🔒