feat: set up project

internal/domain/order.go

@@ -0,0 +1,19 @@
+package domain
+
+import (
+	"time"
+
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+type Order struct {
+	ID        primitive.ObjectID `bson:"_id" json:"_id"`
+	OrderID   string             `json:"order_id"`
+	ClientID  string             `json:"client_id"`
+	Amount    float64            `bson:"amount" json:"amount"`
+	Tx        string             `bson:"tx" json:"tx"`
+	Block     string             `bson:"block" json:"block"`
+	PaidAt    time.Time          `bson:"paid_at" json:"paid_at"`
+	CreatedAt time.Time          `bson:"created_at" json:"created_at"`
+	ExpiresAt time.Time          `bson:"expires_at" json:"expires_at"`
+}