service backend

api/fx/storage/model/quote.go

@@ -0,0 +1,63 @@
+package model
+
+import (
+	"time"
+
+	"github.com/tech/sendico/pkg/db/storable"
+)
+
+// Quote represents a firm or indicative quote persisted by the oracle.
+type Quote struct {
+	storable.Base `bson:",inline" json:",inline"`
+
+	QuoteRef               string          `bson:"quoteRef" json:"quoteRef"`
+	Firm                   bool            `bson:"firm" json:"firm"`
+	Status                 QuoteStatus     `bson:"status" json:"status"`
+	Pair                   CurrencyPair    `bson:"pair" json:"pair"`
+	Side                   QuoteSide       `bson:"side" json:"side"`
+	Price                  string          `bson:"price" json:"price"`
+	BaseAmount             Money           `bson:"baseAmount" json:"baseAmount"`
+	QuoteAmount            Money           `bson:"quoteAmount" json:"quoteAmount"`
+	AmountType             QuoteAmountType `bson:"amountType" json:"amountType"`
+	ExpiresAtUnixMs        int64           `bson:"expiresAtUnixMs" json:"expiresAtUnixMs"`
+	ExpiresAt              *time.Time      `bson:"expiresAt,omitempty" json:"expiresAt,omitempty"`
+	RateRef                string          `bson:"rateRef" json:"rateRef"`
+	Provider               string          `bson:"provider" json:"provider"`
+	PreferredProvider      string          `bson:"preferredProvider,omitempty" json:"preferredProvider,omitempty"`
+	RequestedTTLMs         int64           `bson:"requestedTtlMs,omitempty" json:"requestedTtlMs,omitempty"`
+	MaxAgeToleranceMs      int64           `bson:"maxAgeToleranceMs,omitempty" json:"maxAgeToleranceMs,omitempty"`
+	ConsumedByLedgerTxnRef string          `bson:"consumedByLedgerTxnRef,omitempty" json:"consumedByLedgerTxnRef,omitempty"`
+	ConsumedAtUnixMs       *int64          `bson:"consumedAtUnixMs,omitempty" json:"consumedAtUnixMs,omitempty"`
+	Meta                   *QuoteMeta      `bson:"meta,omitempty" json:"meta,omitempty"`
+}
+
+// Collection implements storable.Storable.
+func (*Quote) Collection() string {
+	return QuotesCollection
+}
+
+// MarkConsumed switches the quote to consumed status and links it to a ledger transaction.
+func (q *Quote) MarkConsumed(ledgerTxnRef string, consumedAt time.Time) {
+	if ledgerTxnRef == "" {
+		return
+	}
+	q.Status = QuoteStatusConsumed
+	q.ConsumedByLedgerTxnRef = ledgerTxnRef
+	ts := consumedAt.UnixMilli()
+	q.ConsumedAtUnixMs = &ts
+	q.Base.Update()
+}
+
+// MarkExpired marks the quote as expired.
+func (q *Quote) MarkExpired() {
+	q.Status = QuoteStatusExpired
+	q.Base.Update()
+}
+
+// IsExpired reports whether the quote has passed its expiration instant.
+func (q *Quote) IsExpired(now time.Time) bool {
+	if q.ExpiresAtUnixMs == 0 {
+		return false
+	}
+	return now.UnixMilli() >= q.ExpiresAtUnixMs
+}