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use opening_fee_params on register payment

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This commit is contained in:
Jesse de Wit
2023-05-11 13:29:08 +02:00
parent a16e87748b
commit d76b79e0d7
5 changed files with 65 additions and 18 deletions
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45
server.go
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@@ -39,8 +39,6 @@ import (
"github.com/lightningnetwork/lnd/lnwire"
)
var TIME_FORMAT string = "2006-01-02T15:04:05.999Z"
type server struct {
lspdrpc.ChannelOpenerServer
address string
@@ -186,7 +184,10 @@ func validateOpeningFeeParams(node *node, params *lspdrpc.OpeningFeeParams) bool
return true
}
func (s *server) RegisterPayment(ctx context.Context, in *lspdrpc.RegisterPaymentRequest) (*lspdrpc.RegisterPaymentReply, error) {
func (s *server) RegisterPayment(
ctx context.Context,
in *lspdrpc.RegisterPaymentRequest,
) (*lspdrpc.RegisterPaymentReply, error) {
node, err := getNode(ctx)
if err != nil {
return nil, err
@@ -223,12 +224,38 @@ func (s *server) RegisterPayment(ctx context.Context, in *lspdrpc.RegisterPaymen
}
}
err = checkPayment(node.nodeConfig, pi.IncomingAmountMsat, pi.OutgoingAmountMsat)
// TODO: Remove this nil check and the else cluase when we enforce all
// clients to use opening_fee_params.
if pi.OpeningFeeParams != nil {
valid := validateOpeningFeeParams(node, pi.OpeningFeeParams)
if !valid {
return nil, fmt.Errorf("invalid opening_fee_params")
}
} else {
log.Printf("DEPRECATED: RegisterPayment with deprecated fee mechanism.")
pi.OpeningFeeParams = &lspdrpc.OpeningFeeParams{
MinMsat: uint64(node.nodeConfig.ChannelMinimumFeeMsat),
Proportional: uint32(node.nodeConfig.ChannelFeePermyriad * 100),
ValidUntil: time.Now().UTC().Add(time.Duration(time.Hour * 24)).Format(basetypes.TIME_FORMAT),
MaxIdleTime: uint32(node.nodeConfig.MaxInactiveDuration / 600),
MaxClientToSelfDelay: uint32(node.nodeConfig.MaxClientToSelfDelay),
}
}
err = checkPayment(pi.OpeningFeeParams, pi.IncomingAmountMsat, pi.OutgoingAmountMsat)
if err != nil {
log.Printf("checkPayment(%v, %v) error: %v", pi.IncomingAmountMsat, pi.OutgoingAmountMsat, err)
return nil, fmt.Errorf("checkPayment(%v, %v) error: %v", pi.IncomingAmountMsat, pi.OutgoingAmountMsat, err)
}
err = s.store.RegisterPayment(pi.Destination, pi.PaymentHash, pi.PaymentSecret, pi.IncomingAmountMsat, pi.OutgoingAmountMsat, pi.Tag)
params := &interceptor.OpeningFeeParams{
MinMsat: pi.OpeningFeeParams.MinMsat,
Proportional: pi.OpeningFeeParams.Proportional,
ValidUntil: pi.OpeningFeeParams.ValidUntil,
MaxIdleTime: pi.OpeningFeeParams.MaxIdleTime,
MaxClientToSelfDelay: pi.OpeningFeeParams.MaxClientToSelfDelay,
Promise: pi.OpeningFeeParams.Promise,
}
err = s.store.RegisterPayment(params, pi.Destination, pi.PaymentHash, pi.PaymentSecret, pi.IncomingAmountMsat, pi.OutgoingAmountMsat, pi.Tag)
if err != nil {
log.Printf("RegisterPayment() error: %v", err)
return nil, fmt.Errorf("RegisterPayment() error: %w", err)
@@ -534,10 +561,10 @@ func getNode(ctx context.Context) (*node, error) {
return node, nil
}
func checkPayment(config *config.NodeConfig, incomingAmountMsat, outgoingAmountMsat int64) error {
fees := incomingAmountMsat * config.ChannelFeePermyriad / 10_000 / 1_000 * 1_000
if fees < config.ChannelMinimumFeeMsat {
fees = config.ChannelMinimumFeeMsat
func checkPayment(params *lspdrpc.OpeningFeeParams, incomingAmountMsat, outgoingAmountMsat int64) error {
fees := incomingAmountMsat * int64(params.Proportional) / 1_000_000 / 1_000 * 1_000
if fees < int64(params.MinMsat) {
fees = int64(params.MinMsat)
}
if incomingAmountMsat-outgoingAmountMsat < fees {
return fmt.Errorf("not enough fees")