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lnwallet: reorder PaymentDescriptor attributes to reduce padding

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Olaoluwa Osuntokun 2017-04-11 21:27:44 -07:00
parent 9ff4a7adc9
commit eca3a10064
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GPG Key ID: 9CC5B105D03521A2
1 changed files with 25 additions and 22 deletions
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47
lnwallet/channel.go
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@ -99,7 +99,7 @@ type updateType uint8
const ( const (
// Add is an update type that adds a new HTLC entry into the log. // Add is an update type that adds a new HTLC entry into the log.
// Either side can add a new penidng HTLC by adding a new Add entry // Either side can add a new pending HTLC by adding a new Add entry
// into their update log. // into their update log.
Add updateType = iota Add updateType = iota
@ -150,15 +150,6 @@ type PaymentDescriptor struct {
// settles or times out. // settles or times out.
ParentIndex uint64 ParentIndex uint64
// Payload is an opaque blob which is used to complete multi-hop
// routing.
Payload []byte
// EntryType denotes the exact type of the PaymentDescriptor. In the
// case of a Timeout, or Settle type, then the Parent field will point
// into the log to the HTLC being modified.
EntryType updateType
// addCommitHeight[Remote|Local] encodes the height of the commitment // addCommitHeight[Remote|Local] encodes the height of the commitment
// which included this HTLC on either the remote or local commitment // which included this HTLC on either the remote or local commitment
// chain. This value is used to determine when an HTLC is fully // chain. This value is used to determine when an HTLC is fully
@ -174,24 +165,36 @@ type PaymentDescriptor struct {
removeCommitHeightRemote uint64 removeCommitHeightRemote uint64
removeCommitHeightLocal uint64 removeCommitHeightLocal uint64
// isForwarded denotes if an incoming HTLC has been forwarded to any // Payload is an opaque blob which is used to complete multi-hop
// possible upstream peers in the route. // routing.
isForwarded bool Payload []byte
// [our|their|theirPrev]PkScript are the raw public key scripts that // [our|their|]PkScript are the raw public key scripts that encodes the
// encodes the redemption rules for this particular HTLC. These fields // redemption rules for this particular HTLC. These fields will only be
// will only be populated iff the EntryType of this PaymentDescriptor // populated iff the EntryType of this PaymentDescriptor is Add.
// is Add. ourPkScript is the ourPkScript from the context of our local // ourPkScript is the ourPkScript from the context of our local
// commitment chain. [their|theirPrev]PkScript are the two latest // commitment chain. theirPkScript is the latest pkScript from the
// pkScripts from the context of the remote commitment chain. // context of the remote commitment chain.
ourPkScript []byte //
theirPkScript []byte // NOTE: These values may change within the logs themselves, however,
theirPrevPkScript []byte // they'll stay consistent within the commitment chain entries
// themselves.
ourPkScript []byte
theirPkScript []byte
// EntryType denotes the exact type of the PaymentDescriptor. In the
// case of a Timeout, or Settle type, then the Parent field will point
// into the log to the HTLC being modified.
EntryType updateType
// isDust[Local|Remote] denotes if this HTLC is below the dust limit in // isDust[Local|Remote] denotes if this HTLC is below the dust limit in
// locally or remotely. // locally or remotely.
isDustLocal bool isDustLocal bool
isDustRemote bool isDustRemote bool
// isForwarded denotes if an incoming HTLC has been forwarded to any
// possible upstream peers in the route.
isForwarded bool
} }
// commitment represents a commitment to a new state within an active channel. // commitment represents a commitment to a new state within an active channel.