read expiration and creation timestamp for payd response (#28)

Author: tigh-latte

data/payd/models/payd.go

@@ -1,6 +1,8 @@
 package models
 
 import (
+	"time"
+
 	"github.com/libsv/go-bc/spv"
 	"github.com/libsv/go-bt/v2"
 
@@ -25,4 +27,6 @@ type DestinationResponse struct {
 	SPVRequired bool          `json:"spvRequired"`
 	Outputs     []Destination `json:"outputs"`
 	Fees        *bt.FeeQuote  `json:"fees"`
+	CreatedAt   time.Time     `json:"createdAt"`
+	ExpiresAt   time.Time     `json:"expiresAt"`
 }

data/payd/payd.go

@@ -69,6 +69,8 @@ func (p *payd) Destinations(ctx context.Context, args p4.PaymentRequestArgs) (*p
 		SPVRequired: resp.SPVRequired,
 		Outputs:     make([]p4.Output, 0),
 		Fees:        resp.Fees,
+		CreatedAt:   resp.CreatedAt,
+		ExpiresAt:   resp.ExpiresAt,
 	}
 	for _, o := range resp.Outputs {
 		dests.Outputs = append(dests.Outputs, p4.Output{

destinations.go

@@ -2,6 +2,7 @@ package p4
 
 import (
 	"context"
+	"time"
 
 	"github.com/libsv/go-bt/v2"
 )
@@ -28,6 +29,8 @@ type Destinations struct {
 	SPVRequired bool
 	Outputs     []Output
 	Fees        *bt.FeeQuote
+	CreatedAt   time.Time
+	ExpiresAt   time.Time
 }
 
 // DestinationReader interfaces retrieving payment destinations.

service/paymentrequest.go

@@ -3,7 +3,6 @@ package service
 import (
 	"context"
 	"fmt"
-	"time"
 
 	"github.com/pkg/errors"
 	validator "github.com/theflyingcodr/govalidator"
@@ -37,7 +36,7 @@ func (p *paymentRequest) CreatePaymentRequest(ctx context.Context, args p4.Payme
 
 	dests, err := p.destRdr.Destinations(ctx, args)
 	if err != nil {
-		return nil, errors.Wrapf(err, "failed to geet destinations for paymentID %s", args.PaymentID)
+		return nil, errors.Wrapf(err, "failed to get destinations for paymentID %s", args.PaymentID)
 	}
 
 	// get merchant information
@@ -55,8 +54,8 @@ func (p *paymentRequest) CreatePaymentRequest(ctx context.Context, args p4.Payme
 		SPVRequired:         dests.SPVRequired,
 		Destinations:        p4.PaymentDestinations{Outputs: dests.Outputs},
 		FeeRate:             dests.Fees,
-		CreationTimestamp:   time.Now().UTC(),
-		ExpirationTimestamp: time.Now().Add(24 * time.Hour).UTC(),
+		CreationTimestamp:   dests.CreatedAt,
+		ExpirationTimestamp: dests.ExpiresAt,
 		PaymentURL:          fmt.Sprintf("http://%s/api/v1/payment/%s", p.walletCfg.FQDN, args.PaymentID),
 		Memo:                fmt.Sprintf("invoice %s", args.PaymentID),
 		MerchantData: &p4.MerchantData{