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https://github.com/lightningnetwork/lnd.git
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Merge pull request #3156 from joostjager/extended-fail
routerrpc: add more failure reasons and route hints
This commit is contained in:
Olaoluwa Osuntokun
GitHub
commit
ba5fbb3c27
@ -246,9 +246,12 @@ func (p *PaymentControl) Success(paymentHash lntypes.Hash,
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// its next call for this payment hash, allowing the switch to make a
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// subsequent payment.
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func (p *PaymentControl) Fail(paymentHash lntypes.Hash,
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reason FailureReason) error {
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reason FailureReason) (*route.Route, error) {
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var updateErr error
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var (
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updateErr error
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route *route.Route
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)
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err := p.db.Batch(func(tx *bbolt.Tx) error {
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// Reset the update error, to avoid carrying over an error
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// from a previous execution of the batched db transaction.
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@ -270,13 +273,27 @@ func (p *PaymentControl) Fail(paymentHash lntypes.Hash,
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// Put the failure reason in the bucket for record keeping.
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v := []byte{byte(reason)}
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return bucket.Put(paymentFailInfoKey, v)
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err = bucket.Put(paymentFailInfoKey, v)
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if err != nil {
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return err
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}
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// Retrieve attempt info for the notification, if available.
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attempt, err := fetchPaymentAttempt(bucket)
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if err != nil && err != errNoAttemptInfo {
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return err
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}
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if err != errNoAttemptInfo {
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route = &attempt.Route
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}
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return nil
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})
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if err != nil {
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return err
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return nil, err
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}
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return updateErr
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return route, updateErr
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}
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// FetchPayment returns information about a payment from the database.
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@ -94,7 +94,7 @@ func TestPaymentControlSwitchFail(t *testing.T) {
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// Fail the payment, which should moved it to Failed.
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failReason := FailureReasonNoRoute
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err = pControl.Fail(info.PaymentHash, failReason)
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_, err = pControl.Fail(info.PaymentHash, failReason)
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if err != nil {
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t.Fatalf("unable to fail payment hash: %v", err)
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}
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@ -270,7 +270,7 @@ func TestPaymentControlFailsWithoutInFlight(t *testing.T) {
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}
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// Calling Fail should return an error.
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err = pControl.Fail(info.PaymentHash, FailureReasonNoRoute)
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_, err = pControl.Fail(info.PaymentHash, FailureReasonNoRoute)
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if err != ErrPaymentNotInitiated {
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t.Fatalf("expected ErrPaymentNotInitiated, got %v", err)
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}
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@ -330,7 +330,7 @@ func TestPaymentControlDeleteNonInFligt(t *testing.T) {
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if p.failed {
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// Fail the payment, which should moved it to Failed.
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failReason := FailureReasonNoRoute
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err = pControl.Fail(info.PaymentHash, failReason)
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_, err = pControl.Fail(info.PaymentHash, failReason)
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if err != nil {
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t.Fatalf("unable to fail payment hash: %v", err)
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}
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@ -94,10 +94,17 @@ const (
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// destination was found during path finding.
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FailureReasonNoRoute FailureReason = 1
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// FailureReasonError indicates that an unexpected error happened during
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// payment.
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FailureReasonError FailureReason = 2
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// FailureReasonIncorrectPaymentDetails indicates that either the hash
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// is unknown or the final cltv delta or amount is incorrect.
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FailureReasonIncorrectPaymentDetails FailureReason = 3
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// TODO(halseth): cancel state.
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// TODO(joostjager): Add failure reasons for:
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// UnknownPaymentHash, FinalInvalidAmt, FinalInvalidCltv
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// LocalLiquidityInsufficient, RemoteCapacityInsufficient.
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)
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@ -108,6 +115,10 @@ func (r FailureReason) String() string {
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return "timeout"
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case FailureReasonNoRoute:
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return "no_route"
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case FailureReasonError:
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return "error"
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case FailureReasonIncorrectPaymentDetails:
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return "incorrect_payment_details"
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}
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return "unknown"
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@ -39,6 +39,13 @@ const (
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//All possible routes were tried and failed permanently. Or were no
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//routes to the destination at all.
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PaymentState_FAILED_NO_ROUTE PaymentState = 3
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//*
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//A non-recoverable error has occured.
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PaymentState_FAILED_ERROR PaymentState = 4
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//*
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//Payment details incorrect (unknown hash, invalid amt or
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//invalid final cltv delta)
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PaymentState_FAILED_INCORRECT_PAYMENT_DETAILS PaymentState = 5
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)
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var PaymentState_name = map[int32]string{
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@ -46,13 +53,17 @@ var PaymentState_name = map[int32]string{
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1: "SUCCEEDED",
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2: "FAILED_TIMEOUT",
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3: "FAILED_NO_ROUTE",
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4: "FAILED_ERROR",
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5: "FAILED_INCORRECT_PAYMENT_DETAILS",
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}
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var PaymentState_value = map[string]int32{
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"IN_FLIGHT": 0,
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"SUCCEEDED": 1,
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"FAILED_TIMEOUT": 2,
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"FAILED_NO_ROUTE": 3,
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"IN_FLIGHT": 0,
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"SUCCEEDED": 1,
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"FAILED_TIMEOUT": 2,
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"FAILED_NO_ROUTE": 3,
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"FAILED_ERROR": 4,
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"FAILED_INCORRECT_PAYMENT_DETAILS": 5,
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}
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func (x PaymentState) String() string {
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@ -189,10 +200,13 @@ type SendPaymentRequest struct {
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//*
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//An optional maximum total time lock for the route. If zero, there is no
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//maximum enforced.
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CltvLimit int32 `protobuf:"varint,9,opt,name=cltv_limit,json=cltvLimit,proto3" json:"cltv_limit,omitempty"`
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XXX_NoUnkeyedLiteral struct{} `json:"-"`
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XXX_unrecognized []byte `json:"-"`
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XXX_sizecache int32 `json:"-"`
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CltvLimit int32 `protobuf:"varint,9,opt,name=cltv_limit,json=cltvLimit,proto3" json:"cltv_limit,omitempty"`
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//*
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//Optional route hints to reach the destination through private channels.
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RouteHints []*lnrpc.RouteHint `protobuf:"bytes,10,rep,name=route_hints,proto3" json:"route_hints,omitempty"`
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XXX_NoUnkeyedLiteral struct{} `json:"-"`
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XXX_unrecognized []byte `json:"-"`
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XXX_sizecache int32 `json:"-"`
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}
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func (m *SendPaymentRequest) Reset() { *m = SendPaymentRequest{} }
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@ -283,6 +297,13 @@ func (m *SendPaymentRequest) GetCltvLimit() int32 {
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return 0
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}
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func (m *SendPaymentRequest) GetRouteHints() []*lnrpc.RouteHint {
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if m != nil {
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return m.RouteHints
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}
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return nil
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}
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type TrackPaymentRequest struct {
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/// The hash of the payment to look up.
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PaymentHash []byte `protobuf:"bytes,1,opt,name=payment_hash,json=paymentHash,proto3" json:"payment_hash,omitempty"`
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@ -1146,106 +1167,109 @@ func init() {
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func init() { proto.RegisterFile("routerrpc/router.proto", fileDescriptor_7a0613f69d37b0a5) }
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var fileDescriptor_7a0613f69d37b0a5 = []byte{
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// 1575 bytes of a gzipped FileDescriptorProto
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0x56, 0xef, 0x67, 0x89, 0xe4, 0xe4, 0x77, 0x8b, 0x73, 0x29, 0x92, 0xf3, 0x3c, 0x94, 0xd3, 0x24,
|
||||
0xaf, 0x45, 0xb7, 0x9c, 0x13, 0x19, 0xc7, 0x95, 0x05, 0xf6, 0x61, 0x6d, 0xa1, 0x90, 0xb0, 0xa0,
|
||||
0x71, 0x65, 0xe1, 0x15, 0x1c, 0xf2, 0x0f, 0x22, 0x64, 0x34, 0x98, 0xb3, 0x1f, 0x17, 0x9c, 0x8e,
|
||||
0x98, 0x60, 0x66, 0x51, 0x05, 0xb7, 0xa2, 0x04, 0xae, 0xc2, 0x9b, 0x4c, 0x30, 0xeb, 0x39, 0x54,
|
||||
0x09, 0x8f, 0xb8, 0xe8, 0x7a, 0x51, 0xe4, 0x05, 0x7e, 0x23, 0xf0, 0x45, 0x18, 0x4c, 0xe3, 0x07,
|
||||
0xc0, 0x3a, 0x83, 0xd3, 0x9d, 0x52, 0x3d, 0xc1, 0xe5, 0xe1, 0xef, 0x16, 0x3c, 0xbc, 0xdf, 0x7d,
|
||||
0xf8, 0x2d, 0x9c, 0xee, 0x94, 0xc6, 0xe3, 0xff, 0x2b, 0xc8, 0xfa, 0xc1, 0x88, 0x47, 0x66, 0x4a,
|
||||
0x2d, 0x00, 0x27, 0x89, 0xb9, 0xe9, 0x04, 0x23, 0xde, 0xf6, 0x22, 0x11, 0x84, 0xf7, 0x44, 0x93,
|
||||
0xac, 0xff, 0xa4, 0xa0, 0x90, 0x80, 0xd1, 0x09, 0xec, 0xc7, 0x33, 0x5a, 0x17, 0x55, 0xfc, 0x85,
|
||||
0x5e, 0x42, 0x79, 0xca, 0x22, 0x41, 0xe5, 0xc8, 0xa6, 0x32, 0x49, 0xf1, 0x7b, 0xb7, 0x85, 0xa2,
|
||||
0x6f, 0xe0, 0x69, 0x20, 0x26, 0x3c, 0xd4, 0xab, 0x4c, 0xb4, 0x18, 0x0e, 0x79, 0x14, 0xd1, 0x79,
|
||||
0x18, 0xdc, 0xa8, 0x52, 0xdb, 0x23, 0x8f, 0x89, 0xd1, 0x6b, 0x38, 0x88, 0x6b, 0x24, 0x32, 0x33,
|
||||
0xca, 0xf5, 0x67, 0x0f, 0x47, 0xfe, 0xd2, 0xfb, 0x15, 0xd5, 0xfa, 0x77, 0x0a, 0xca, 0x9b, 0x42,
|
||||
0xf4, 0x42, 0x55, 0xbf, 0x2a, 0x41, 0x6f, 0xa4, 0xee, 0x91, 0x21, 0x09, 0xe4, 0x93, 0xef, 0x52,
|
||||
0x83, 0xe3, 0x99, 0xe7, 0xd3, 0x39, 0xf7, 0xd9, 0xd4, 0xfb, 0x2b, 0xa7, 0xcb, 0x45, 0x22, 0xad,
|
||||
0xd8, 0x3b, 0x65, 0xc8, 0x82, 0xe2, 0xc6, 0xa5, 0x33, 0xea, 0xd2, 0x1b, 0xd8, 0xab, 0x7f, 0xa6,
|
||||
0xa0, 0x98, 0x5c, 0x89, 0x50, 0x09, 0xf2, 0xb6, 0x43, 0x5b, 0x1d, 0xfb, 0xdb, 0x76, 0xdf, 0xf8,
|
||||
0x4c, 0x7e, 0xf6, 0x06, 0x8d, 0x06, 0xc6, 0x4d, 0xdc, 0x34, 0x52, 0x08, 0x41, 0x59, 0x4e, 0x02,
|
||||
0xdc, 0xa4, 0x7d, 0xbb, 0x8b, 0xdd, 0x81, 0x7c, 0x16, 0x8e, 0xa0, 0x12, 0x63, 0x8e, 0x4b, 0x89,
|
||||
0x3b, 0xe8, 0x63, 0x23, 0x8d, 0x0c, 0x28, 0xc6, 0x20, 0x26, 0xc4, 0x25, 0x46, 0x46, 0xce, 0xb2,
|
||||
0x18, 0x79, 0xf8, 0xc4, 0x34, 0x71, 0xbf, 0x6e, 0x77, 0x7a, 0x46, 0xb6, 0xf6, 0xf7, 0x0c, 0xec,
|
||||
0xab, 0x15, 0x22, 0x44, 0x6d, 0x28, 0x24, 0x76, 0x71, 0x74, 0x96, 0xc8, 0xc0, 0xc3, 0x1d, 0xbd,
|
||||
0x6a, 0xee, 0xde, 0xf1, 0x16, 0xd1, 0x6f, 0x52, 0xe8, 0x8f, 0x50, 0x4c, 0x6e, 0x96, 0x28, 0xb9,
|
||||
0x31, 0xec, 0x58, 0x39, 0x3f, 0xaa, 0xeb, 0x2d, 0x18, 0x38, 0x12, 0xde, 0x4c, 0xbe, 0xf6, 0xf1,
|
||||
0xce, 0x86, 0xaa, 0x09, 0xfe, 0xd6, 0x22, 0x58, 0x3d, 0xdd, 0x29, 0x8b, 0xfb, 0xa3, 0xa3, 0xaf,
|
||||
0x18, 0x6f, 0x4d, 0x0f, 0xae, 0xb8, 0xb9, 0xaa, 0x55, 0x5f, 0x3c, 0x26, 0x8e, 0xb5, 0x8d, 0xe0,
|
||||
0x68, 0x47, 0x27, 0xa3, 0x5f, 0x25, 0x3d, 0x78, 0x74, 0x0e, 0x54, 0x5f, 0xfe, 0x1c, 0x6d, 0x6d,
|
||||
0x65, 0x47, 0xcb, 0x6f, 0x58, 0x79, 0x7c, 0x60, 0x6c, 0x58, 0xf9, 0xc8, 0xe4, 0x78, 0xf3, 0xdb,
|
||||
0x3f, 0x5d, 0x8d, 0x3d, 0x31, 0x59, 0xdc, 0x5c, 0x0e, 0x83, 0xd9, 0xd5, 0xd4, 0x1b, 0x4f, 0x84,
|
||||
0xef, 0xf9, 0x63, 0x9f, 0x8b, 0xbf, 0x04, 0xe1, 0xdd, 0xd5, 0xd4, 0x1f, 0x5d, 0xa9, 0x2d, 0xf4,
|
||||
0x6a, 0xa5, 0xee, 0x66, 0x5f, 0xfd, 0x0f, 0xf7, 0xbb, 0xff, 0x07, 0x00, 0x00, 0xff, 0xff, 0xb7,
|
||||
0x0c, 0x44, 0x60, 0xf3, 0x0d, 0x00, 0x00,
|
||||
}
|
||||
|
||||
// Reference imports to suppress errors if they are not otherwise used.
|
||||
|
||||
@ -58,6 +58,11 @@ message SendPaymentRequest {
|
||||
maximum enforced.
|
||||
*/
|
||||
int32 cltv_limit = 9;
|
||||
|
||||
/**
|
||||
Optional route hints to reach the destination through private channels.
|
||||
*/
|
||||
repeated lnrpc.RouteHint route_hints = 10 [json_name = "route_hints"];
|
||||
}
|
||||
|
||||
message TrackPaymentRequest {
|
||||
@ -86,6 +91,17 @@ enum PaymentState {
|
||||
routes to the destination at all.
|
||||
*/
|
||||
FAILED_NO_ROUTE = 3;
|
||||
|
||||
/**
|
||||
A non-recoverable error has occured.
|
||||
*/
|
||||
FAILED_ERROR = 4;
|
||||
|
||||
/**
|
||||
Payment details incorrect (unknown hash, invalid amt or
|
||||
invalid final cltv delta)
|
||||
*/
|
||||
FAILED_INCORRECT_PAYMENT_DETAILS = 5;
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -6,6 +6,8 @@ import (
|
||||
"fmt"
|
||||
"time"
|
||||
|
||||
"github.com/btcsuite/btcd/btcec"
|
||||
|
||||
"github.com/btcsuite/btcd/chaincfg"
|
||||
"github.com/btcsuite/btcutil"
|
||||
"github.com/lightningnetwork/lnd/lnrpc"
|
||||
@ -382,6 +384,15 @@ func (r *RouterBackend) extractIntentFromSendRequest(
|
||||
payIntent.PayAttemptTimeout = time.Second *
|
||||
time.Duration(rpcPayReq.TimeoutSeconds)
|
||||
|
||||
// Route hints.
|
||||
routeHints, err := unmarshallRouteHints(
|
||||
rpcPayReq.RouteHints,
|
||||
)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
payIntent.RouteHints = routeHints
|
||||
|
||||
// If the payment request field isn't blank, then the details of the
|
||||
// invoice are encoded entirely within the encoded payReq. So we'll
|
||||
// attempt to decode it, populating the payment accordingly.
|
||||
@ -443,7 +454,9 @@ func (r *RouterBackend) extractIntentFromSendRequest(
|
||||
copy(payIntent.Target[:], destKey)
|
||||
|
||||
payIntent.FinalCLTVDelta = uint16(payReq.MinFinalCLTVExpiry())
|
||||
payIntent.RouteHints = payReq.RouteHints
|
||||
payIntent.RouteHints = append(
|
||||
payIntent.RouteHints, payReq.RouteHints...,
|
||||
)
|
||||
} else {
|
||||
// Otherwise, If the payment request field was not specified
|
||||
// (and a custom route wasn't specified), construct the payment
|
||||
@ -493,6 +506,50 @@ func (r *RouterBackend) extractIntentFromSendRequest(
|
||||
return payIntent, nil
|
||||
}
|
||||
|
||||
// unmarshallRouteHints unmarshalls a list of route hints.
|
||||
func unmarshallRouteHints(rpcRouteHints []*lnrpc.RouteHint) (
|
||||
[][]zpay32.HopHint, error) {
|
||||
|
||||
routeHints := make([][]zpay32.HopHint, 0, len(rpcRouteHints))
|
||||
for _, rpcRouteHint := range rpcRouteHints {
|
||||
routeHint := make(
|
||||
[]zpay32.HopHint, 0, len(rpcRouteHint.HopHints),
|
||||
)
|
||||
for _, rpcHint := range rpcRouteHint.HopHints {
|
||||
hint, err := unmarshallHopHint(rpcHint)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
routeHint = append(routeHint, hint)
|
||||
}
|
||||
routeHints = append(routeHints, routeHint)
|
||||
}
|
||||
|
||||
return routeHints, nil
|
||||
}
|
||||
|
||||
// unmarshallHopHint unmarshalls a single hop hint.
|
||||
func unmarshallHopHint(rpcHint *lnrpc.HopHint) (zpay32.HopHint, error) {
|
||||
pubBytes, err := hex.DecodeString(rpcHint.NodeId)
|
||||
if err != nil {
|
||||
return zpay32.HopHint{}, err
|
||||
}
|
||||
|
||||
pubkey, err := btcec.ParsePubKey(pubBytes, btcec.S256())
|
||||
if err != nil {
|
||||
return zpay32.HopHint{}, err
|
||||
}
|
||||
|
||||
return zpay32.HopHint{
|
||||
NodeID: pubkey,
|
||||
ChannelID: rpcHint.ChanId,
|
||||
FeeBaseMSat: rpcHint.FeeBaseMsat,
|
||||
FeeProportionalMillionths: rpcHint.FeeProportionalMillionths,
|
||||
CLTVExpiryDelta: uint16(rpcHint.CltvExpiryDelta),
|
||||
}, nil
|
||||
}
|
||||
|
||||
// ValidatePayReqExpiry checks if the passed payment request has expired. In
|
||||
// the case it has expired, an error will be returned.
|
||||
func ValidatePayReqExpiry(payReq *zpay32.Invoice) error {
|
||||
|
||||
@ -502,8 +502,10 @@ func (s *Server) TrackPayment(request *TrackPaymentRequest,
|
||||
func (s *Server) trackPayment(paymentHash lntypes.Hash,
|
||||
stream Router_TrackPaymentServer) error {
|
||||
|
||||
router := s.cfg.RouterBackend
|
||||
|
||||
// Subscribe to the outcome of this payment.
|
||||
inFlight, resultChan, err := s.cfg.RouterBackend.Tower.SubscribePayment(
|
||||
inFlight, resultChan, err := router.Tower.SubscribePayment(
|
||||
paymentHash,
|
||||
)
|
||||
switch {
|
||||
@ -538,20 +540,21 @@ func (s *Server) trackPayment(paymentHash lntypes.Hash,
|
||||
|
||||
status.State = PaymentState_SUCCEEDED
|
||||
status.Preimage = result.Preimage[:]
|
||||
status.Route = s.cfg.RouterBackend.MarshallRoute(
|
||||
status.Route = router.MarshallRoute(
|
||||
result.Route,
|
||||
)
|
||||
} else {
|
||||
switch result.FailureReason {
|
||||
|
||||
case channeldb.FailureReasonTimeout:
|
||||
status.State = PaymentState_FAILED_TIMEOUT
|
||||
|
||||
case channeldb.FailureReasonNoRoute:
|
||||
status.State = PaymentState_FAILED_NO_ROUTE
|
||||
|
||||
default:
|
||||
return errors.New("unknown failure reason")
|
||||
state, err := marshallFailureReason(
|
||||
result.FailureReason,
|
||||
)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
status.State = state
|
||||
if result.Route != nil {
|
||||
status.Route = router.MarshallRoute(
|
||||
result.Route,
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
@ -568,3 +571,26 @@ func (s *Server) trackPayment(paymentHash lntypes.Hash,
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// marshallFailureReason marshalls the failure reason to the corresponding rpc
|
||||
// type.
|
||||
func marshallFailureReason(reason channeldb.FailureReason) (
|
||||
PaymentState, error) {
|
||||
|
||||
switch reason {
|
||||
|
||||
case channeldb.FailureReasonTimeout:
|
||||
return PaymentState_FAILED_TIMEOUT, nil
|
||||
|
||||
case channeldb.FailureReasonNoRoute:
|
||||
return PaymentState_FAILED_NO_ROUTE, nil
|
||||
|
||||
case channeldb.FailureReasonError:
|
||||
return PaymentState_FAILED_ERROR, nil
|
||||
|
||||
case channeldb.FailureReasonIncorrectPaymentDetails:
|
||||
return PaymentState_FAILED_INCORRECT_PAYMENT_DETAILS, nil
|
||||
}
|
||||
|
||||
return 0, errors.New("unknown failure reason")
|
||||
}
|
||||
|
||||
@ -13834,7 +13834,7 @@ func testHoldInvoicePersistence(net *lntest.NetworkHarness, t *harnessTest) {
|
||||
status.State)
|
||||
}
|
||||
} else {
|
||||
if status.State != routerrpc.PaymentState_FAILED_NO_ROUTE {
|
||||
if status.State != routerrpc.PaymentState_FAILED_INCORRECT_PAYMENT_DETAILS {
|
||||
t.Fatalf("state not failed: %v",
|
||||
status.State)
|
||||
}
|
||||
|
||||
@ -114,16 +114,41 @@ func (p *controlTower) Success(paymentHash lntypes.Hash,
|
||||
|
||||
// Notify subscribers of success event.
|
||||
p.notifyFinalEvent(
|
||||
paymentHash, PaymentResult{
|
||||
Success: true,
|
||||
Preimage: preimage,
|
||||
Route: route,
|
||||
},
|
||||
paymentHash, createSuccessResult(route, preimage),
|
||||
)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// createSuccessResult creates a success result to send to subscribers.
|
||||
func createSuccessResult(rt *route.Route,
|
||||
preimage lntypes.Preimage) *PaymentResult {
|
||||
|
||||
return &PaymentResult{
|
||||
Success: true,
|
||||
Preimage: preimage,
|
||||
Route: rt,
|
||||
}
|
||||
}
|
||||
|
||||
// createFailResult creates a failed result to send to subscribers.
|
||||
func createFailedResult(rt *route.Route,
|
||||
reason channeldb.FailureReason) *PaymentResult {
|
||||
|
||||
result := &PaymentResult{
|
||||
Success: false,
|
||||
FailureReason: reason,
|
||||
}
|
||||
|
||||
// In case of incorrect payment details, set the route. This can be used
|
||||
// for probing and to extract a fee estimate from the route.
|
||||
if reason == channeldb.FailureReasonIncorrectPaymentDetails {
|
||||
result.Route = rt
|
||||
}
|
||||
|
||||
return result
|
||||
}
|
||||
|
||||
// Fail transitions a payment into the Failed state, and records the reason the
|
||||
// payment failed. After invoking this method, InitPayment should return nil on
|
||||
// its next call for this payment hash, allowing the switch to make a
|
||||
@ -131,17 +156,14 @@ func (p *controlTower) Success(paymentHash lntypes.Hash,
|
||||
func (p *controlTower) Fail(paymentHash lntypes.Hash,
|
||||
reason channeldb.FailureReason) error {
|
||||
|
||||
err := p.db.Fail(paymentHash, reason)
|
||||
route, err := p.db.Fail(paymentHash, reason)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// Notify subscribers of fail event.
|
||||
p.notifyFinalEvent(
|
||||
paymentHash, PaymentResult{
|
||||
Success: false,
|
||||
FailureReason: reason,
|
||||
},
|
||||
paymentHash, createFailedResult(route, reason),
|
||||
)
|
||||
|
||||
return nil
|
||||
@ -191,16 +213,21 @@ func (p *controlTower) SubscribePayment(paymentHash lntypes.Hash) (
|
||||
// a subscriber, because we can send the result on the channel
|
||||
// immediately.
|
||||
case channeldb.StatusSucceeded:
|
||||
event.Success = true
|
||||
event.Preimage = *payment.PaymentPreimage
|
||||
event.Route = &payment.Attempt.Route
|
||||
event = *createSuccessResult(
|
||||
&payment.Attempt.Route, *payment.PaymentPreimage,
|
||||
)
|
||||
|
||||
// Payment already failed. It is not necessary to register as a
|
||||
// subscriber, because we can send the result on the channel
|
||||
// immediately.
|
||||
case channeldb.StatusFailed:
|
||||
event.Success = false
|
||||
event.FailureReason = *payment.Failure
|
||||
var route *route.Route
|
||||
if payment.Attempt != nil {
|
||||
route = &payment.Attempt.Route
|
||||
}
|
||||
event = *createFailedResult(
|
||||
route, *payment.Failure,
|
||||
)
|
||||
|
||||
default:
|
||||
return false, nil, errors.New("unknown payment status")
|
||||
@ -216,7 +243,7 @@ func (p *controlTower) SubscribePayment(paymentHash lntypes.Hash) (
|
||||
// notifyFinalEvent sends a final payment event to all subscribers of this
|
||||
// payment. The channel will be closed after this.
|
||||
func (p *controlTower) notifyFinalEvent(paymentHash lntypes.Hash,
|
||||
event PaymentResult) {
|
||||
event *PaymentResult) {
|
||||
|
||||
// Get all subscribers for this hash. As there is only a single outcome,
|
||||
// the subscriber list can be cleared.
|
||||
@ -232,7 +259,7 @@ func (p *controlTower) notifyFinalEvent(paymentHash lntypes.Hash,
|
||||
// Notify all subscribers of the event. The subscriber channel is
|
||||
// buffered, so it cannot block here.
|
||||
for _, subscriber := range list {
|
||||
subscriber <- event
|
||||
subscriber <- *event
|
||||
close(subscriber)
|
||||
}
|
||||
}
|
||||
|
||||
@ -341,39 +341,41 @@ func (p *paymentLifecycle) sendPaymentAttempt(firstHop lnwire.ShortChannelID,
|
||||
// handleSendError inspects the given error from the Switch and determines
|
||||
// whether we should make another payment attempt.
|
||||
func (p *paymentLifecycle) handleSendError(sendErr error) error {
|
||||
var finalOutcome bool
|
||||
var reason channeldb.FailureReason
|
||||
|
||||
// If an internal, non-forwarding error occurred, we can stop trying.
|
||||
fErr, ok := sendErr.(*htlcswitch.ForwardingError)
|
||||
if !ok {
|
||||
finalOutcome = true
|
||||
reason = channeldb.FailureReasonError
|
||||
} else {
|
||||
finalOutcome = p.router.processSendError(
|
||||
var final bool
|
||||
final, reason = p.router.processSendError(
|
||||
p.paySession, &p.attempt.Route, fErr,
|
||||
)
|
||||
|
||||
// Save the forwarding error so it can be returned if this turns
|
||||
// out to be the last attempt.
|
||||
p.lastError = fErr
|
||||
}
|
||||
if !final {
|
||||
// Save the forwarding error so it can be returned if
|
||||
// this turns out to be the last attempt.
|
||||
p.lastError = fErr
|
||||
|
||||
if finalOutcome {
|
||||
log.Errorf("Payment %x failed with final outcome: %v",
|
||||
p.payment.PaymentHash, sendErr)
|
||||
|
||||
// Mark the payment failed with no route.
|
||||
// TODO(halseth): make payment codes for the actual reason we
|
||||
// don't continue path finding.
|
||||
err := p.router.cfg.Control.Fail(
|
||||
p.payment.PaymentHash, channeldb.FailureReasonNoRoute,
|
||||
)
|
||||
if err != nil {
|
||||
return err
|
||||
return nil
|
||||
}
|
||||
|
||||
// Terminal state, return the error we encountered.
|
||||
return sendErr
|
||||
}
|
||||
|
||||
return nil
|
||||
log.Debugf("Payment %x failed: final_outcome=%v, raw_err=%v",
|
||||
p.payment.PaymentHash, reason, sendErr)
|
||||
|
||||
// Mark the payment failed with no route.
|
||||
//
|
||||
// TODO(halseth): make payment codes for the actual reason we don't
|
||||
// continue path finding.
|
||||
err := p.router.cfg.Control.Fail(
|
||||
p.payment.PaymentHash, reason,
|
||||
)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// Terminal state, return the error we encountered.
|
||||
return sendErr
|
||||
}
|
||||
|
||||
@ -1812,7 +1812,8 @@ func (r *ChannelRouter) sendPayment(
|
||||
// to continue with an alternative route. This is indicated by the boolean
|
||||
// return value.
|
||||
func (r *ChannelRouter) processSendError(paySession PaymentSession,
|
||||
rt *route.Route, fErr *htlcswitch.ForwardingError) bool {
|
||||
rt *route.Route, fErr *htlcswitch.ForwardingError) (
|
||||
bool, channeldb.FailureReason) {
|
||||
|
||||
errSource := fErr.ErrorSource
|
||||
errVertex := route.NewVertex(errSource)
|
||||
@ -1825,7 +1826,7 @@ func (r *ChannelRouter) processSendError(paySession PaymentSession,
|
||||
rt, route.Vertex(errVertex),
|
||||
)
|
||||
if err != nil {
|
||||
return true
|
||||
return true, channeldb.FailureReasonError
|
||||
}
|
||||
|
||||
// processChannelUpdateAndRetry is a closure that
|
||||
@ -1868,22 +1869,33 @@ func (r *ChannelRouter) processSendError(paySession PaymentSession,
|
||||
// hash or we sent the wrong payment amount to the
|
||||
// destination, then we'll terminate immediately.
|
||||
case *lnwire.FailUnknownPaymentHash:
|
||||
return true
|
||||
// TODO(joostjager): Check onionErr.Amount() whether it matches
|
||||
// what we expect. (Will it ever not match, because if not
|
||||
// final_incorrect_htlc_amount would be returned?)
|
||||
|
||||
return true, channeldb.FailureReasonIncorrectPaymentDetails
|
||||
|
||||
// If we sent the wrong amount to the destination, then
|
||||
// we'll exit early.
|
||||
case *lnwire.FailIncorrectPaymentAmount:
|
||||
return true
|
||||
return true, channeldb.FailureReasonIncorrectPaymentDetails
|
||||
|
||||
// If the time-lock that was extended to the final node
|
||||
// was incorrect, then we can't proceed.
|
||||
case *lnwire.FailFinalIncorrectCltvExpiry:
|
||||
return true
|
||||
// TODO(joostjager): Take into account that second last hop may
|
||||
// have deliberately handed out an htlc that expires too soon.
|
||||
// In that case we should continue routing.
|
||||
return true, channeldb.FailureReasonError
|
||||
|
||||
// If we crafted an invalid onion payload for the final
|
||||
// node, then we'll exit early.
|
||||
case *lnwire.FailFinalIncorrectHtlcAmount:
|
||||
return true
|
||||
// TODO(joostjager): Take into account that second last hop may
|
||||
// have deliberately handed out an htlc with a too low value. In
|
||||
// that case we should continue routing.
|
||||
|
||||
return true, channeldb.FailureReasonError
|
||||
|
||||
// Similarly, if the HTLC expiry that we extended to
|
||||
// the final hop expires too soon, then will fail the
|
||||
@ -1892,12 +1904,15 @@ func (r *ChannelRouter) processSendError(paySession PaymentSession,
|
||||
// TODO(roasbeef): can happen to to race condition, try
|
||||
// again with recent block height
|
||||
case *lnwire.FailFinalExpiryTooSoon:
|
||||
return true
|
||||
// TODO(joostjager): Take into account that any hop may have
|
||||
// delayed. Ideally we should continue routing. Knowing the
|
||||
// delaying node at this point would help.
|
||||
return true, channeldb.FailureReasonIncorrectPaymentDetails
|
||||
|
||||
// If we erroneously attempted to cross a chain border,
|
||||
// then we'll cancel the payment.
|
||||
case *lnwire.FailInvalidRealm:
|
||||
return true
|
||||
return true, channeldb.FailureReasonError
|
||||
|
||||
// If we get a notice that the expiry was too soon for
|
||||
// an intermediate node, then we'll prune out the node
|
||||
@ -1906,17 +1921,20 @@ func (r *ChannelRouter) processSendError(paySession PaymentSession,
|
||||
case *lnwire.FailExpiryTooSoon:
|
||||
r.applyChannelUpdate(&onionErr.Update, errSource)
|
||||
paySession.ReportVertexFailure(errVertex)
|
||||
return false
|
||||
return false, 0
|
||||
|
||||
// If we hit an instance of onion payload corruption or
|
||||
// an invalid version, then we'll exit early as this
|
||||
// shouldn't happen in the typical case.
|
||||
// If we hit an instance of onion payload corruption or an invalid
|
||||
// version, then we'll exit early as this shouldn't happen in the
|
||||
// typical case.
|
||||
//
|
||||
// TODO(joostjager): Take into account that the previous hop may have
|
||||
// tampered with the onion. Routing should continue using other paths.
|
||||
case *lnwire.FailInvalidOnionVersion:
|
||||
return true
|
||||
return true, channeldb.FailureReasonError
|
||||
case *lnwire.FailInvalidOnionHmac:
|
||||
return true
|
||||
return true, channeldb.FailureReasonError
|
||||
case *lnwire.FailInvalidOnionKey:
|
||||
return true
|
||||
return true, channeldb.FailureReasonError
|
||||
|
||||
// If we get a failure due to violating the minimum
|
||||
// amount, we'll apply the new minimum amount and retry
|
||||
@ -1925,7 +1943,7 @@ func (r *ChannelRouter) processSendError(paySession PaymentSession,
|
||||
processChannelUpdateAndRetry(
|
||||
&onionErr.Update, errSource,
|
||||
)
|
||||
return false
|
||||
return false, 0
|
||||
|
||||
// If we get a failure due to a fee, we'll apply the
|
||||
// new fee update, and retry our attempt using the
|
||||
@ -1934,7 +1952,7 @@ func (r *ChannelRouter) processSendError(paySession PaymentSession,
|
||||
processChannelUpdateAndRetry(
|
||||
&onionErr.Update, errSource,
|
||||
)
|
||||
return false
|
||||
return false, 0
|
||||
|
||||
// If we get the failure for an intermediate node that
|
||||
// disagrees with our time lock values, then we'll
|
||||
@ -1943,7 +1961,7 @@ func (r *ChannelRouter) processSendError(paySession PaymentSession,
|
||||
processChannelUpdateAndRetry(
|
||||
&onionErr.Update, errSource,
|
||||
)
|
||||
return false
|
||||
return false, 0
|
||||
|
||||
// The outgoing channel that this node was meant to
|
||||
// forward one is currently disabled, so we'll apply
|
||||
@ -1951,7 +1969,7 @@ func (r *ChannelRouter) processSendError(paySession PaymentSession,
|
||||
case *lnwire.FailChannelDisabled:
|
||||
r.applyChannelUpdate(&onionErr.Update, errSource)
|
||||
paySession.ReportEdgeFailure(failedEdge, 0)
|
||||
return false
|
||||
return false, 0
|
||||
|
||||
// It's likely that the outgoing channel didn't have
|
||||
// sufficient capacity, so we'll prune this edge for
|
||||
@ -1959,21 +1977,21 @@ func (r *ChannelRouter) processSendError(paySession PaymentSession,
|
||||
case *lnwire.FailTemporaryChannelFailure:
|
||||
r.applyChannelUpdate(onionErr.Update, errSource)
|
||||
paySession.ReportEdgeFailure(failedEdge, failedAmt)
|
||||
return false
|
||||
return false, 0
|
||||
|
||||
// If the send fail due to a node not having the
|
||||
// required features, then we'll note this error and
|
||||
// continue.
|
||||
case *lnwire.FailRequiredNodeFeatureMissing:
|
||||
paySession.ReportVertexFailure(errVertex)
|
||||
return false
|
||||
return false, 0
|
||||
|
||||
// If the send fail due to a node not having the
|
||||
// required features, then we'll note this error and
|
||||
// continue.
|
||||
case *lnwire.FailRequiredChannelFeatureMissing:
|
||||
paySession.ReportVertexFailure(errVertex)
|
||||
return false
|
||||
return false, 0
|
||||
|
||||
// If the next hop in the route wasn't known or
|
||||
// offline, we'll only the channel which we attempted
|
||||
@ -1984,18 +2002,18 @@ func (r *ChannelRouter) processSendError(paySession PaymentSession,
|
||||
// another node.
|
||||
case *lnwire.FailUnknownNextPeer:
|
||||
paySession.ReportEdgeFailure(failedEdge, 0)
|
||||
return false
|
||||
return false, 0
|
||||
|
||||
// If the node wasn't able to forward for which ever
|
||||
// reason, then we'll note this and continue with the
|
||||
// routes.
|
||||
case *lnwire.FailTemporaryNodeFailure:
|
||||
paySession.ReportVertexFailure(errVertex)
|
||||
return false
|
||||
return false, 0
|
||||
|
||||
case *lnwire.FailPermanentNodeFailure:
|
||||
paySession.ReportVertexFailure(errVertex)
|
||||
return false
|
||||
return false, 0
|
||||
|
||||
// If we crafted a route that contains a too long time
|
||||
// lock for an intermediate node, we'll prune the node.
|
||||
@ -2008,7 +2026,7 @@ func (r *ChannelRouter) processSendError(paySession PaymentSession,
|
||||
// that node.
|
||||
case *lnwire.FailExpiryTooFar:
|
||||
paySession.ReportVertexFailure(errVertex)
|
||||
return false
|
||||
return false, 0
|
||||
|
||||
// If we get a permanent channel or node failure, then
|
||||
// we'll prune the channel in both directions and
|
||||
@ -2020,10 +2038,10 @@ func (r *ChannelRouter) processSendError(paySession PaymentSession,
|
||||
to: failedEdge.from,
|
||||
channel: failedEdge.channel,
|
||||
}, 0)
|
||||
return false
|
||||
return false, 0
|
||||
|
||||
default:
|
||||
return true
|
||||
return true, channeldb.FailureReasonError
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user