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Merged
arshbot merged 2 commits into from
Apr 20, 2022
Merged

swap: HTLCV3 added #473

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cee607f
swap: refactor NewHtlc so pkScript is generatred per output
arshbot Apr 14, 2022
173c213
swap: HTLCV3 added
arshbot Apr 14, 2022
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6 changes: 3 additions & 3 deletions client.go
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -195,7 +195,7 @@ func (s *Client) FetchSwaps() ([]*SwapInfo, error) {
htlc, err := swap.NewHtlc(
GetHtlcScriptVersion(swp.Contract.ProtocolVersion),
swp.Contract.CltvExpiry, swp.Contract.SenderKey,
swp.Contract.ReceiverKey, swp.Hash, swap.HtlcP2WSH,
swp.Contract.ReceiverKey, nil, swp.Hash, swap.HtlcP2WSH,
s.lndServices.ChainParams,
)
if err != nil {
Expand All @@ -216,7 +216,7 @@ func (s *Client) FetchSwaps() ([]*SwapInfo, error) {
htlcNP2WSH, err := swap.NewHtlc(
GetHtlcScriptVersion(swp.Contract.ProtocolVersion),
swp.Contract.CltvExpiry, swp.Contract.SenderKey,
swp.Contract.ReceiverKey, swp.Hash, swap.HtlcNP2WSH,
swp.Contract.ReceiverKey, nil, swp.Hash, swap.HtlcNP2WSH,
s.lndServices.ChainParams,
)
if err != nil {
Expand All @@ -226,7 +226,7 @@ func (s *Client) FetchSwaps() ([]*SwapInfo, error) {
htlcP2WSH, err := swap.NewHtlc(
GetHtlcScriptVersion(swp.Contract.ProtocolVersion),
swp.Contract.CltvExpiry, swp.Contract.SenderKey,
swp.Contract.ReceiverKey, swp.Hash, swap.HtlcP2WSH,
swp.Contract.ReceiverKey, nil, swp.Hash, swap.HtlcP2WSH,
s.lndServices.ChainParams,
)
if err != nil {
Expand Down
2 changes: 1 addition & 1 deletion client_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -284,7 +284,7 @@ func testResume(t *testing.T, confs uint32, expired, preimageRevealed,
scriptVersion := GetHtlcScriptVersion(protocolVersion)
htlc, err := swap.NewHtlc(
scriptVersion, pendingSwap.Contract.CltvExpiry, senderKey,
receiverKey, hash, swap.HtlcP2WSH, &chaincfg.TestNet3Params,
receiverKey, nil, hash, swap.HtlcP2WSH, &chaincfg.TestNet3Params,
)
require.NoError(t, err)
require.Equal(t, htlc.PkScript, confIntent.PkScript)
Expand Down
12 changes: 7 additions & 5 deletions go.mod
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,21 +1,23 @@
module github.com/lightninglabs/loop

require (
github.com/btcsuite/btcd v0.22.0-beta.0.20220207191057-4dc4ff7963b4
github.com/btcsuite/btcd/btcec/v2 v2.1.0
github.com/btcsuite/btcd/btcutil v1.1.0
github.com/btcsuite/btcd v0.22.0-beta.0.20220316175102-8d5c75c28923
github.com/btcsuite/btcd/btcec/v2 v2.1.3
github.com/btcsuite/btcd/btcutil v1.1.1
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1
github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f
github.com/btcsuite/btcwallet/wtxmgr v1.5.0
github.com/coreos/bbolt v1.3.3
github.com/davecgh/go-spew v1.1.1
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1
github.com/fortytw2/leaktest v1.3.0
github.com/grpc-ecosystem/grpc-gateway/v2 v2.5.0
github.com/jessevdk/go-flags v1.4.0
github.com/lightninglabs/aperture v0.1.17-beta.0.20220325093943-42b9d4c1be7f
github.com/lightninglabs/aperture v0.1.17-beta.0.20220328072456-4a2632d0be38
github.com/lightninglabs/lndclient v0.15.0-0
github.com/lightninglabs/loop/swapserverrpc v1.0.0
github.com/lightninglabs/protobuf-hex-display v1.4.3-hex-display
github.com/lightningnetwork/lnd v0.14.1-beta.0.20220324135938-0dcaa511a249
github.com/lightningnetwork/lnd v0.14.1-beta.0.20220328072343-6e2214fd0fc0
github.com/lightningnetwork/lnd/cert v1.1.1
github.com/lightningnetwork/lnd/clock v1.1.0
github.com/lightningnetwork/lnd/queue v1.1.0
Expand Down
36 changes: 24 additions & 12 deletions go.sum
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -73,39 +73,48 @@ github.com/btcsuite/btcd v0.0.0-20190824003749-130ea5bddde3/go.mod h1:3J08xEfcug
github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
github.com/btcsuite/btcd v0.22.0-beta.0.20220111032746-97732e52810c/go.mod h1:tjmYdS6MLJ5/s0Fj4DbLgSbDHbEqLJrtnHecBFkdz5M=
github.com/btcsuite/btcd v0.22.0-beta.0.20220204213055-eaf0459ff879/go.mod h1:osu7EoKiL36UThEgzYPqdRaxeo0NU8VoXqgcnwpey0g=
github.com/btcsuite/btcd v0.22.0-beta.0.20220207191057-4dc4ff7963b4 h1:CEGr/598C/0LZQUoioaT6sdGGcJgu4+ck0PDeJ/QkKs=
github.com/btcsuite/btcd v0.22.0-beta.0.20220207191057-4dc4ff7963b4/go.mod h1:7alexyj/lHlOtr2PJK7L/+HDJZpcGDn/pAU98r7DY08=
github.com/btcsuite/btcd/btcec/v2 v2.1.0 h1:Whmbo9yShKKG+WrUfYGFfgj77vYBiwhwBSJnM66TMKI=
github.com/btcsuite/btcd v0.22.0-beta.0.20220316175102-8d5c75c28923 h1:6H47xWODLXYDuzHapvx4dauPqFjegX4+rHgUkFQPvfw=
github.com/btcsuite/btcd v0.22.0-beta.0.20220316175102-8d5c75c28923/go.mod h1:taIcYprAW2g6Z9S0gGUxyR+zDwimyDMK5ePOX+iJ2ds=
github.com/btcsuite/btcd/btcec/v2 v2.1.0/go.mod h1:2VzYrv4Gm4apmbVVsSq5bqf1Ec8v56E48Vt0Y/umPgA=
github.com/btcsuite/btcd/btcec/v2 v2.1.1/go.mod h1:ctjw4H1kknNJmRN4iP1R7bTQ+v3GJkZBd6mui8ZsAZE=
github.com/btcsuite/btcd/btcec/v2 v2.1.3 h1:xM/n3yIhHAhHy04z4i43C8p4ehixJZMsnrVJkgl+MTE=
github.com/btcsuite/btcd/btcec/v2 v2.1.3/go.mod h1:ctjw4H1kknNJmRN4iP1R7bTQ+v3GJkZBd6mui8ZsAZE=
github.com/btcsuite/btcd/btcutil v1.0.0/go.mod h1:Uoxwv0pqYWhD//tfTiipkxNfdhG9UrLwaeswfjfdF0A=
github.com/btcsuite/btcd/btcutil v1.1.0 h1:MO4klnGY+EWJdoWF12Wkuf4AWDBPMpZNeN/jRLrklUU=
github.com/btcsuite/btcd/btcutil v1.1.0/go.mod h1:5OapHB7A2hBBWLm48mmw4MOHNJCcUBTwmWH/0Jn8VHE=
github.com/btcsuite/btcd/btcutil/psbt v1.1.0 h1:1LxDjz2ar4L2mrviBdxrzxesMMcAtj4nuBlX4FdqjOA=
github.com/btcsuite/btcd/btcutil v1.1.1 h1:hDcDaXiP0uEzR8Biqo2weECKqEw0uHDZ9ixIWevVQqY=
github.com/btcsuite/btcd/btcutil v1.1.1/go.mod h1:nbKlBMNm9FGsdvKvu0essceubPiAcI57pYBNnsLAa34=
github.com/btcsuite/btcd/btcutil/psbt v1.1.0/go.mod h1:xMuACsIKDzcE3kWMxqK+aLrAWZ8bMdn7YjYEwNs5q8k=
github.com/btcsuite/btcd/btcutil/psbt v1.1.1 h1:t8yNrashLB1ZLqOapxtWy/d8jMfMDgwPKwf70sgnSac=
github.com/btcsuite/btcd/btcutil/psbt v1.1.1/go.mod h1:KsGzRAzAdEimzgERpK9Xm+RhuCMvc4j2ctK0BEQ8JV0=
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.0/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 h1:q0rUy8C/TYNBQS1+CGKw68tLOFYSNEs0TFnxxnS9+4U=
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f h1:bAs4lUbRJpnnkd9VhRV3jjAVU7DJVjMaK+IsvSeZvFo=
github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg=
github.com/btcsuite/btcwallet v0.14.0 h1:+Nwf0GkRUwDjd/F3i9HgrRhDp8RHZFbBZ3kQaZr6zD0=
github.com/btcsuite/btcwallet v0.14.0/go.mod h1:KFR1x3ZH7c31i4qA34XIvcsnhrEBLK1SHli52lN8E54=
github.com/btcsuite/btcwallet/wallet/txauthor v1.2.1 h1:oxIaFiF8gmOLJh7wNkXYkyLWT7Pj5igSrn5HthPVDYg=
github.com/btcsuite/btcwallet v0.14.1-0.20220322182735-b0001c262734 h1:gG2UgzXLiMiT4sw74161AEf0LE/mxDM8Ia6TaoV0VBw=
github.com/btcsuite/btcwallet v0.14.1-0.20220322182735-b0001c262734/go.mod h1:QN2tl1ipATUQRo9RtgvMHLSspqx7QWsj30qL+7AXuAo=
github.com/btcsuite/btcwallet/wallet/txauthor v1.2.1/go.mod h1:/74bubxX5Js48d76nf/TsNabpYp/gndUuJw4chzCmhU=
github.com/btcsuite/btcwallet/wallet/txauthor v1.2.3 h1:M2yr5UlULvpqtxUqpMxTME/pA92Z9cpqeyvAFk9lAg0=
github.com/btcsuite/btcwallet/wallet/txauthor v1.2.3/go.mod h1:T2xSiKGpUkSLCh68aF+FMXmKK9mFqNdHl9VaqOr+JjU=
github.com/btcsuite/btcwallet/wallet/txrules v1.2.0 h1:BtEN5Empw62/RVnZ0VcJaVtVlBijnLlJY+dwjAye2Bg=
github.com/btcsuite/btcwallet/wallet/txrules v1.2.0/go.mod h1:AtkqiL7ccKWxuLYtZm8Bu8G6q82w4yIZdgq6riy60z0=
github.com/btcsuite/btcwallet/wallet/txsizes v1.1.0 h1:wZnOolEAeNOHzHTnznw/wQv+j35ftCIokNrnOTOU5o8=
github.com/btcsuite/btcwallet/wallet/txsizes v1.1.0/go.mod h1:pauEU8UuMFiThe5PB3EO+gO5kx87Me5NvdQDsTuq6cs=
github.com/btcsuite/btcwallet/walletdb v1.3.5/go.mod h1:oJDxAEUHVtnmIIBaa22wSBPTVcs6hUp5NKWmI8xDwwU=
github.com/btcsuite/btcwallet/walletdb v1.3.6-0.20210803004036-eebed51155ec h1:zcAU3Ij8SmqaE+ITtS76fua2Niq7DRNp46sJRhi8PiI=
github.com/btcsuite/btcwallet/walletdb v1.3.6-0.20210803004036-eebed51155ec/go.mod h1:oJDxAEUHVtnmIIBaa22wSBPTVcs6hUp5NKWmI8xDwwU=
github.com/btcsuite/btcwallet/walletdb v1.4.0 h1:/C5JRF+dTuE2CNMCO/or5N8epsrhmSM4710uBQoYPTQ=
github.com/btcsuite/btcwallet/walletdb v1.4.0/go.mod h1:oJDxAEUHVtnmIIBaa22wSBPTVcs6hUp5NKWmI8xDwwU=
github.com/btcsuite/btcwallet/wtxmgr v1.5.0 h1:WO0KyN4l6H3JWnlFxfGR7r3gDnlGT7W2cL8vl6av4SU=
github.com/btcsuite/btcwallet/wtxmgr v1.5.0/go.mod h1:TQVDhFxseiGtZwEPvLgtfyxuNUDsIdaJdshvWzR0HJ4=
github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd h1:R/opQEbFEy9JGkIguV40SvRY1uliPX8ifOvi6ICsFCw=
github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd/go.mod h1:HHNXQzUsZCxOoE+CPiyCTO6x34Zs86zZUiwtpXoGdtg=
github.com/btcsuite/golangcrypto v0.0.0-20150304025918-53f62d9b43e8/go.mod h1:tYvUd8KLhm/oXvUeSEs2VlLghFjQt9+ZaF9ghH0JNjc=
github.com/btcsuite/goleveldb v0.0.0-20160330041536-7834afc9e8cd/go.mod h1:F+uVaaLLH7j4eDXPRvw78tMflu7Ie2bzYOH4Y8rRKBY=
github.com/btcsuite/goleveldb v1.0.0 h1:Tvd0BfvqX9o823q1j2UZ/epQo09eJh6dTcRp79ilIN4=
github.com/btcsuite/goleveldb v1.0.0/go.mod h1:QiK9vBlgftBg6rWQIj6wFzbPfRjiykIEhBH4obrXJ/I=
github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723/go.mod h1:8woku9dyThutzjeg+3xrA5iCpBRH8XEEg3lh6TiUghc=
github.com/btcsuite/snappy-go v1.0.0 h1:ZxaA6lo2EpxGddsA8JwWOcxlzRybb444sgmeJQMJGQE=
github.com/btcsuite/snappy-go v1.0.0/go.mod h1:8woku9dyThutzjeg+3xrA5iCpBRH8XEEg3lh6TiUghc=
github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792 h1:R8vQdOQdZ9Y3SkEwmHoWBmX1DNXhXZqlTpq6s4tyJGc=
github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtEyQwv5/p4Mg4C0fgbePVuGr935/5ddU9Z3TmDRY=
Expand Down Expand Up @@ -464,8 +473,8 @@ github.com/lib/pq v1.8.0/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
github.com/lib/pq v1.10.2/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
github.com/lib/pq v1.10.3 h1:v9QZf2Sn6AmjXtQeFpdoq/eaNtYP6IN+7lcrygsIAtg=
github.com/lib/pq v1.10.3/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
github.com/lightninglabs/aperture v0.1.17-beta.0.20220325093943-42b9d4c1be7f h1:wfyZ3sZXoGayB+V8icHl6uoqOX6wiyncKFK9pTleGRw=
github.com/lightninglabs/aperture v0.1.17-beta.0.20220325093943-42b9d4c1be7f/go.mod h1:lDjRKhndRH0CzZQ2m8dWODdqp/ejEW7esb2u2nlvrw4=
github.com/lightninglabs/aperture v0.1.17-beta.0.20220328072456-4a2632d0be38 h1:ht1wzuSmScXJEnW30Cp2vUBHYzJZvme5DHxNMyg+LT0=
github.com/lightninglabs/aperture v0.1.17-beta.0.20220328072456-4a2632d0be38/go.mod h1:lDjRKhndRH0CzZQ2m8dWODdqp/ejEW7esb2u2nlvrw4=
github.com/lightninglabs/gozmq v0.0.0-20191113021534-d20a764486bf h1:HZKvJUHlcXI/f/O0Avg7t8sqkPo78HFzjmeYFl6DPnc=
github.com/lightninglabs/gozmq v0.0.0-20191113021534-d20a764486bf/go.mod h1:vxmQPeIQxPf6Jf9rM8R+B4rKBqLA2AjttNxkFBL2Plk=
github.com/lightninglabs/lightning-node-connect/hashmailrpc v1.0.2/go.mod h1:antQGRDRJiuyQF6l+k6NECCSImgCpwaZapATth2Chv4=
Expand All @@ -477,8 +486,9 @@ github.com/lightninglabs/protobuf-hex-display v1.4.3-hex-display h1:RZJ8H4ueU/aQ
github.com/lightninglabs/protobuf-hex-display v1.4.3-hex-display/go.mod h1:2oKOBU042GKFHrdbgGiKax4xVrFiZu51lhacUZQ9MnE=
github.com/lightningnetwork/lightning-onion v1.0.2-0.20220211021909-bb84a1ccb0c5 h1:TkKwqFcQTGYoI+VEqyxA8rxpCin8qDaYX0AfVRinT3k=
github.com/lightningnetwork/lightning-onion v1.0.2-0.20220211021909-bb84a1ccb0c5/go.mod h1:7dDx73ApjEZA0kcknI799m2O5kkpfg4/gr7N092ojNo=
github.com/lightningnetwork/lnd v0.14.1-beta.0.20220324135938-0dcaa511a249 h1:ELu8An/QgkPU0yQUvTlUE/ZCMBAf4hWacRd1/ayh4pc=
github.com/lightningnetwork/lnd v0.14.1-beta.0.20220324135938-0dcaa511a249/go.mod h1:Tp3ZxsfioUl6kQ30RrbMqWoZyZ4K+fv/o1lMEU8U7rA=
github.com/lightningnetwork/lnd v0.14.1-beta.0.20220328072343-6e2214fd0fc0 h1:pQ7SCPNcaUvPdSikqtCX1nvYn3cdWE8r44zWyZTCgCs=
github.com/lightningnetwork/lnd v0.14.1-beta.0.20220328072343-6e2214fd0fc0/go.mod h1:ocTs4P7UuJrTjl37IyxwSb7/HOzTqF5GX41zFL2guCk=
github.com/lightningnetwork/lnd/cert v1.1.1 h1:Nsav0RlIDRbOnzz2Yu69SQlK939IKya3Q2S0mDviIN8=
github.com/lightningnetwork/lnd/cert v1.1.1/go.mod h1:1P46svkkd73oSoeI4zjkVKgZNwGq8bkGuPR8z+5vQUs=
github.com/lightningnetwork/lnd/clock v1.0.1/go.mod h1:KnQudQ6w0IAMZi1SgvecLZQZ43ra2vpDNj7H/aasemg=
Expand Down Expand Up @@ -646,6 +656,8 @@ github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7 h1:epCh84lMvA70Z7CTTCmYQn2CKbY8j86K7/FAIr141uY=
github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7/go.mod h1:q4W45IWZaF22tdD+VEXcAWRA037jwmWEB5VWYORlTpc=
github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
github.com/tmc/grpc-websocket-proxy v0.0.0-20201229170055-e5319fda7802 h1:uruHq4dN7GR16kFc5fp3d1RIYzJW5onx8Ybykw2YQFA=
github.com/tmc/grpc-websocket-proxy v0.0.0-20201229170055-e5319fda7802/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
Expand Down
4 changes: 2 additions & 2 deletions loopd/view.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,7 @@ func viewOut(swapClient *loop.Client, chainParams *chaincfg.Params) error {
s.Contract.CltvExpiry,
s.Contract.SenderKey,
s.Contract.ReceiverKey,
s.Hash, swap.HtlcP2WSH, chainParams,
nil, s.Hash, swap.HtlcP2WSH, chainParams,
)
if err != nil {
return err
Expand Down Expand Up @@ -106,7 +106,7 @@ func viewIn(swapClient *loop.Client, chainParams *chaincfg.Params) error {
s.Contract.CltvExpiry,
s.Contract.SenderKey,
s.Contract.ReceiverKey,
s.Hash, swap.HtlcNP2WSH, chainParams,
nil, s.Hash, swap.HtlcNP2WSH, chainParams,
)
if err != nil {
return err
Expand Down
2 changes: 1 addition & 1 deletion loopin.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -938,7 +938,7 @@ func (s *loopInSwap) publishTimeoutTx(ctx context.Context,
}

witnessFunc := func(sig []byte) (wire.TxWitness, error) {
return s.htlc.GenTimeoutWitness(sig), nil
return s.htlc.GenTimeoutWitness(sig)
}

sequence := uint32(0)
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2 changes: 1 addition & 1 deletion loopin_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -387,7 +387,7 @@ func testLoopInResume(t *testing.T, state loopdb.SwapState, expired bool,

htlc, err := swap.NewHtlc(
scriptVersion, contract.CltvExpiry, contract.SenderKey,
contract.ReceiverKey, testPreimage.Hash(), swap.HtlcNP2WSH,
contract.ReceiverKey, nil, testPreimage.Hash(), swap.HtlcNP2WSH,
cfg.lnd.ChainParams,
)
if err != nil {
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2 changes: 1 addition & 1 deletion swap.go
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Original file line number Diff line number Diff line change
Expand Up @@ -72,7 +72,7 @@ func (s *swapKit) getHtlc(outputType swap.HtlcOutputType) (*swap.Htlc, error) {
return swap.NewHtlc(
GetHtlcScriptVersion(s.contract.ProtocolVersion),
s.contract.CltvExpiry, s.contract.SenderKey,
s.contract.ReceiverKey, s.hash, outputType,
s.contract.ReceiverKey, nil, s.hash, outputType,
s.swapConfig.lnd.ChainParams,
)
}
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