multi: move PaymentCreationInfo to payment pkg

payments/db/kv_duplicate_payments.go

@@ -8,7 +8,6 @@ import (
 	"time"
 
 	"github.com/btcsuite/btcd/btcec/v2"
-	"github.com/lightningnetwork/lnd/channeldb"
 	"github.com/lightningnetwork/lnd/kvdb"
 	"github.com/lightningnetwork/lnd/lntypes"
 	"github.com/lightningnetwork/lnd/lnwire"
@@ -94,11 +93,11 @@ func deserializeDuplicateHTLCAttemptInfo(r io.Reader) (
 }
 
 func deserializeDuplicatePaymentCreationInfo(r io.Reader) (
-	*channeldb.PaymentCreationInfo, error) {
+	*PaymentCreationInfo, error) {
 
 	var scratch [8]byte
 
-	c := &channeldb.PaymentCreationInfo{}
+	c := &PaymentCreationInfo{}
 
 	if _, err := io.ReadFull(r, c.PaymentIdentifier[:]); err != nil {
 		return nil, err

payments/db/kv_store.go

@@ -186,7 +186,7 @@ func initKVStore(db kvdb.Backend) error {
 // method returns successfully, the payment is guaranteed to be in the InFlight
 // state.
 func (p *KVPaymentsDB) InitPayment(paymentHash lntypes.Hash,
-	info *channeldb.PaymentCreationInfo) error {
+	info *PaymentCreationInfo) error {
 
 	// Obtain a new sequence number for this payment. This is used
 	// to sort the payments in order of creation, and also acts as
@@ -943,7 +943,7 @@ func (p *KVPaymentsDB) FetchPayments() ([]*MPPayment, error) {
 	return payments, nil
 }
 
-func fetchCreationInfo(bucket kvdb.RBucket) (*channeldb.PaymentCreationInfo, error) {
+func fetchCreationInfo(bucket kvdb.RBucket) (*PaymentCreationInfo, error) {
 	b := bucket.Get(paymentCreationInfoKey)
 	if b == nil {
 		return nil, fmt.Errorf("creation info not found")
@@ -1621,7 +1621,7 @@ func fetchSequenceNumbers(paymentBucket kvdb.RBucket) ([][]byte, error) {
 	return sequenceNumbers, nil
 }
 
-func serializePaymentCreationInfo(w io.Writer, c *channeldb.PaymentCreationInfo) error {
+func serializePaymentCreationInfo(w io.Writer, c *PaymentCreationInfo) error {
 	var scratch [8]byte
 
 	if _, err := w.Write(c.PaymentIdentifier[:]); err != nil {
@@ -1658,12 +1658,12 @@ func serializePaymentCreationInfo(w io.Writer, c *channeldb.PaymentCreationInfo)
 	return nil
 }
 
-func deserializePaymentCreationInfo(r io.Reader) (*channeldb.PaymentCreationInfo,
+func deserializePaymentCreationInfo(r io.Reader) (*PaymentCreationInfo,
 	error) {
 
 	var scratch [8]byte
 
-	c := &channeldb.PaymentCreationInfo{}
+	c := &PaymentCreationInfo{}
 
 	if _, err := io.ReadFull(r, c.PaymentIdentifier[:]); err != nil {
 		return nil, err

payments/db/kv_store_test.go

@@ -13,7 +13,6 @@ import (
 
 	"github.com/btcsuite/btcwallet/walletdb"
 	"github.com/davecgh/go-spew/spew"
-	"github.com/lightningnetwork/lnd/channeldb"
 	"github.com/lightningnetwork/lnd/kvdb"
 	"github.com/lightningnetwork/lnd/lntypes"
 	"github.com/lightningnetwork/lnd/lnwire"
@@ -32,7 +31,7 @@ func genPreimage() ([32]byte, error) {
 	return preimage, nil
 }
 
-func genInfo(t *testing.T) (*channeldb.PaymentCreationInfo, *HTLCAttemptInfo,
+func genInfo(t *testing.T) (*PaymentCreationInfo, *HTLCAttemptInfo,
 	lntypes.Preimage, error) {
 
 	preimage, err := genPreimage()
@@ -50,7 +49,7 @@ func genInfo(t *testing.T) (*channeldb.PaymentCreationInfo, *HTLCAttemptInfo,
 	)
 	require.NoError(t, err)
 
-	return &channeldb.PaymentCreationInfo{
+	return &PaymentCreationInfo{
 		PaymentIdentifier: rhash,
 		Value:             testRoute.ReceiverAmt(),
 		CreationTime:      time.Unix(time.Now().Unix(), 0),
@@ -1156,7 +1155,7 @@ type htlcStatus struct {
 // assertPaymentInfo retrieves the payment referred to by hash and verifies the
 // expected values.
 func assertPaymentInfo(t *testing.T, p *KVPaymentsDB, hash lntypes.Hash,
-	c *channeldb.PaymentCreationInfo, f *FailureReason,
+	c *PaymentCreationInfo, f *FailureReason,
 	a *htlcStatus) {
 
 	t.Helper()
@@ -1397,7 +1396,7 @@ func assertPayments(t *testing.T, paymentDB *KVPaymentsDB,
 	require.Equal(t, payments, p)
 }
 
-func makeFakeInfo(t *testing.T) (*channeldb.PaymentCreationInfo,
+func makeFakeInfo(t *testing.T) (*PaymentCreationInfo,
 	*HTLCAttemptInfo) {
 
 	var preimg lntypes.Preimage
@@ -1405,7 +1404,7 @@ func makeFakeInfo(t *testing.T) (*channeldb.PaymentCreationInfo,
 
 	hash := preimg.Hash()
 
-	c := &channeldb.PaymentCreationInfo{
+	c := &PaymentCreationInfo{
 		PaymentIdentifier: hash,
 		Value:             1000,
 		// Use single second precision to avoid false positive test

payments/db/payment.go

@@ -12,7 +12,6 @@ import (
 	"github.com/btcsuite/btcd/wire"
 	"github.com/davecgh/go-spew/spew"
 	sphinx "github.com/lightningnetwork/lightning-onion"
-	"github.com/lightningnetwork/lnd/channeldb"
 	"github.com/lightningnetwork/lnd/lntypes"
 	"github.com/lightningnetwork/lnd/lnutils"
 	"github.com/lightningnetwork/lnd/lnwire"
@@ -76,6 +75,34 @@ func (r FailureReason) String() string {
 	return "unknown"
 }
 
+// PaymentCreationInfo is the information necessary to have ready when
+// initiating a payment, moving it into state InFlight.
+type PaymentCreationInfo struct {
+	// PaymentIdentifier is the hash this payment is paying to in case of
+	// non-AMP payments, and the SetID for AMP payments.
+	PaymentIdentifier lntypes.Hash
+
+	// Value is the amount we are paying.
+	Value lnwire.MilliSatoshi
+
+	// CreationTime is the time when this payment was initiated.
+	CreationTime time.Time
+
+	// PaymentRequest is the full payment request, if any.
+	PaymentRequest []byte
+
+	// FirstHopCustomRecords are the TLV records that are to be sent to the
+	// first hop of this payment. These records will be transmitted via the
+	// wire message only and therefore do not affect the onion payload size.
+	FirstHopCustomRecords lnwire.CustomRecords
+}
+
+// String returns a human-readable description of the payment creation info.
+func (p *PaymentCreationInfo) String() string {
+	return fmt.Sprintf("payment_id=%v, amount=%v, created_at=%v",
+		p.PaymentIdentifier, p.Value, p.CreationTime)
+}
+
 // HTLCAttemptInfo contains static information about a specific HTLC attempt
 // for a payment. This information is used by the router to handle any errors
 // coming back after an attempt is made, and to query the switch about the
@@ -298,7 +325,7 @@ type MPPayment struct {
 
 	// Info holds all static information about this payment, and is
 	// populated when the payment is initiated.
-	Info *channeldb.PaymentCreationInfo
+	Info *PaymentCreationInfo
 
 	// HTLCs holds the information about individual HTLCs that we send in
 	// order to make the payment.

payments/db/payment_test.go

@@ -12,7 +12,6 @@ import (
 	"github.com/btcsuite/btcd/btcec/v2"
 	"github.com/btcsuite/btcd/chaincfg/chainhash"
 	"github.com/davecgh/go-spew/spew"
-	"github.com/lightningnetwork/lnd/channeldb"
 	"github.com/lightningnetwork/lnd/lntypes"
 	"github.com/lightningnetwork/lnd/lnwire"
 	"github.com/lightningnetwork/lnd/record"
@@ -694,7 +693,7 @@ func TestPaymentSetState(t *testing.T) {
 			t.Parallel()
 
 			// Attach the payment info.
-			info := &channeldb.PaymentCreationInfo{
+			info := &PaymentCreationInfo{
 				Value: lnwire.MilliSatoshi(tc.totalAmt),
 			}
 			tc.payment.Info = info
@@ -824,7 +823,7 @@ func TestNeedWaitAttempts(t *testing.T) {
 		tc := tc
 
 		p := &MPPayment{
-			Info: &channeldb.PaymentCreationInfo{
+			Info: &PaymentCreationInfo{
 				PaymentIdentifier: [32]byte{1, 2, 3},
 			},
 			Status: tc.status,
@@ -1002,7 +1001,7 @@ func TestAllowMoreAttempts(t *testing.T) {
 		tc := tc
 
 		p := &MPPayment{
-			Info: &channeldb.PaymentCreationInfo{
+			Info: &PaymentCreationInfo{
 				PaymentIdentifier: [32]byte{1, 2, 3},
 			},
 			Status: tc.status,