41 lines
1.7 KiB
Go
41 lines
1.7 KiB
Go
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// Package store contains the pending-rows reader. The reconciler never writes
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// to per_diem_rates directly; it hands the attestation ref back through
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// AttachAttestation, which goes through the same immutability-safe update
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// path admin-api uses.
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package store
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import (
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"context"
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"errors"
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"basicstack.de/proofedmesh/services/attest-reconciler/internal/attest"
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)
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// ErrNotFound is returned by AttachAttestation when the rate_id is gone.
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var ErrNotFound = errors.New("per_diem_rate: not found")
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// PendingRateStore is implemented by the Postgres reader in prod and by a
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// fake in tests. ListPending returns every row where
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// rate_change_attestation_ref IS NULL — these are what the reconciler re-signs.
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//
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// Kind is reconstructed from (valid_to, now): a rate with a valid_to that was
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// present at creation time is a "create" (valid_to-at-creation stays with the
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// row), a rate whose valid_to was set later via Retire is a "retire". Because
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// the Transparency Log is idempotent on (envelope, content_hash), a wrong
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// Kind guess cannot produce a duplicate log entry — it would just land under
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// a different content_hash the first time and converge from then on.
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type PendingRateStore interface {
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ListPending(ctx context.Context, limit int) ([]PendingRow, error)
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AttachAttestation(ctx context.Context, rateID string, attestationRef string) error
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}
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// PendingRow is the minimal projection of per_diem_rates needed to rebuild a
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// RateChangeEvent. The reconciler intentionally does NOT read the admin
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// principal fields — it attests under its own service identity (see
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// PerformedBy in the main command) because the original admin session is long
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// gone by the time a row is picked up.
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type PendingRow struct {
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Rate attest.Rate
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Kind attest.ChangeKind
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}
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