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htlcswitch: Change circuit map keys to (channel ID, HTLC ID).

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This changes the circuit map internals and API to reference circuits
by a primary key of (channel ID, HTLC ID) instead of paymnet
hash. This is because each circuit has a unique offered HTLC, but
there may be multiple circuits for a payment hash with different
source or destination channels.
This commit is contained in:
Jim Posen
2017-10-23 15:50:26 -07:00
committed by Olaoluwa Osuntokun
parent bc8d674958
commit 1328e61c00
6 changed files with 274 additions and 151 deletions
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8
htlcswitch/packet.go
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@@ -27,6 +27,14 @@ type htlcPacket struct {
// of the target link.
src lnwire.ShortChannelID
// destID is the ID of the HTLC in the destination channel. This will be set
// when forwarding a settle or fail update back to the original source.
destID uint64
// srcID is the ID of the HTLC in the source channel. This will be set when
// forwarding any HTLC update message.
srcID uint64
// amount is the value of the HTLC that is being created or modified.
amount lnwire.MilliSatoshi