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record+tlv/onion_types: move type constants to route/hop

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This commit is contained in:
Conner Fromknecht 2019-08-30 01:41:34 -07:00
parent dc0f429271
commit 1b2c9a02b5
No known key found for this signature in database
GPG Key ID: E7D737B67FA592C7
2 changed files with 17 additions and 18 deletions
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20
record/hop.go
View File

@ -4,11 +4,25 @@ import (
"github.com/lightningnetwork/lnd/tlv" "github.com/lightningnetwork/lnd/tlv"
) )
const (
// AmtOnionType is the type used in the onion to refrence the amount to
// send to the next hop.
AmtOnionType tlv.Type = 2
// LockTimeTLV is the type used in the onion to refenernce the CLTV
// value that should be used for the next hop's HTLC.
LockTimeOnionType tlv.Type = 4
// NextHopOnionType is the type used in the onion to reference the ID
// of the next hop.
NextHopOnionType tlv.Type = 6
)
// NewAmtToFwdRecord creates a tlv.Record that encodes the amount_to_forward // NewAmtToFwdRecord creates a tlv.Record that encodes the amount_to_forward
// (type 2) for an onion payload. // (type 2) for an onion payload.
func NewAmtToFwdRecord(amt *uint64) tlv.Record { func NewAmtToFwdRecord(amt *uint64) tlv.Record {
return tlv.MakeDynamicRecord( return tlv.MakeDynamicRecord(
tlv.AmtOnionType, amt, func() uint64 { AmtOnionType, amt, func() uint64 {
return tlv.SizeTUint64(*amt) return tlv.SizeTUint64(*amt)
}, },
tlv.ETUint64, tlv.DTUint64, tlv.ETUint64, tlv.DTUint64,
@ -19,7 +33,7 @@ func NewAmtToFwdRecord(amt *uint64) tlv.Record {
// (type 4) for an onion payload. // (type 4) for an onion payload.
func NewLockTimeRecord(lockTime *uint32) tlv.Record { func NewLockTimeRecord(lockTime *uint32) tlv.Record {
return tlv.MakeDynamicRecord( return tlv.MakeDynamicRecord(
tlv.LockTimeOnionType, lockTime, func() uint64 { LockTimeOnionType, lockTime, func() uint64 {
return tlv.SizeTUint32(*lockTime) return tlv.SizeTUint32(*lockTime)
}, },
tlv.ETUint32, tlv.DTUint32, tlv.ETUint32, tlv.DTUint32,
@ -29,5 +43,5 @@ func NewLockTimeRecord(lockTime *uint32) tlv.Record {
// NewNextHopIDRecord creates a tlv.Record that encodes the short_channel_id // NewNextHopIDRecord creates a tlv.Record that encodes the short_channel_id
// (type 6) for an onion payload. // (type 6) for an onion payload.
func NewNextHopIDRecord(cid *uint64) tlv.Record { func NewNextHopIDRecord(cid *uint64) tlv.Record {
return tlv.MakePrimitiveRecord(tlv.NextHopOnionType, cid) return tlv.MakePrimitiveRecord(NextHopOnionType, cid)
} }

15
tlv/onion_types.go
View File

@ -1,15 +0,0 @@
package tlv
const (
// AmtOnionType is the type used in the onion to refrence the amount to
// send to the next hop.
AmtOnionType Type = 2
// LockTimeTLV is the type used in the onion to refenernce the CLTV
// value that should be used for the next hop's HTLC.
LockTimeOnionType Type = 4
// NextHopOnionType is the type used in the onion to reference the ID
// of the next hop.
NextHopOnionType Type = 6
)