157e052958
We’ll need this value within the link+switch in order to fully populate the forwarding event that will be generated if this HTLC circuit is successfully completed.
65 lines
2.3 KiB
Go
65 lines
2.3 KiB
Go
package htlcswitch
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import (
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"github.com/lightningnetwork/lnd/lnwire"
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)
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// htlcPacket is a wrapper around htlc lnwire update, which adds additional
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// information which is needed by this package.
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type htlcPacket struct {
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// destNode is the first-hop destination of a local created HTLC add
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// message.
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destNode [33]byte
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// incomingChanID is the ID of the channel that we have received an incoming
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// HTLC on.
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incomingChanID lnwire.ShortChannelID
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// outgoingChanID is the ID of the channel that we have offered or will
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// offer an outgoing HTLC on.
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outgoingChanID lnwire.ShortChannelID
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// incomingHTLCID is the ID of the HTLC that we have received from the peer
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// on the incoming channel.
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incomingHTLCID uint64
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// incomingHtlcAmt is the value of the *incoming* HTLC. This will be
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// set by the link when it receives an incoming HTLC to be forwarded
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// through the switch. Then the outgoing link will use this once it
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// creates a full circuit add. This allows us to properly populate the
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// forwarding event for this circuit/packet in the case the payment
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// circuit is successful.
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incomingHtlcAmt lnwire.MilliSatoshi
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// outgoingHTLCID is the ID of the HTLC that we offered to the peer on the
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// outgoing channel.
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outgoingHTLCID uint64
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// amount is the value of the HTLC that is being created or modified.
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amount lnwire.MilliSatoshi
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// htlc lnwire message type of which depends on switch request type.
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htlc lnwire.Message
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// obfuscator contains the necessary state to allow the switch to wrap
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// any forwarded errors in an additional layer of encryption.
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obfuscator ErrorEncrypter
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// localFailure is set to true if an HTLC fails for a local payment before
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// the first hop. In this case, the failure reason is simply encoded, not
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// encrypted with any shared secret.
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localFailure bool
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// isRouted is set to true if the incomingChanID and incomingHTLCID fields
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// of a forwarded fail packet are already set and do not need to be looked
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// up in the circuit map.
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isRouted bool
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// isResolution is set to true if this packet was actually an incoming
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// resolution message from an outside sub-system. We'll treat these as
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// if they emanated directly from the switch. As a result, we'll
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// encrypt all errors related to this packet as if we were the first
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// hop.
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isResolution bool
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}
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