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set_id_test.go
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set_id_test.go
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package lnmux
import (
"encoding/hex"
"testing"
"github.com/bottlepay/lnmux/common"
"github.com/bottlepay/lnmux/types"
"github.com/stretchr/testify/require"
)
func TestSetID(t *testing.T) {
testKeys := func() []types.HtlcKey {
return []types.HtlcKey{
{ChanID: 1, HtlcID: 3},
{ChanID: 2, HtlcID: 4},
}
}
keys := testKeys()
expectedHash, _ := hex.DecodeString("ae4aae558656bd09cba89b3857513eff4de4b0f10daaffd40f1807edc965b17f")
hash := newSetID(keys)
require.Equal(t, expectedHash, hash[:])
keys = testKeys()
keys[0], keys[1] = keys[1], keys[0]
hash = newSetID(keys)
require.Equal(t, expectedHash, hash[:])
keys = testKeys()
keys[0].Node = common.PubKey{1}
hash = newSetID(keys)
require.NotEqual(t, expectedHash, hash[:])
keys = testKeys()
keys[0].ChanID = 2
hash = newSetID(keys)
require.NotEqual(t, expectedHash, hash[:])
keys = testKeys()
keys[0].HtlcID = 5
hash = newSetID(keys)
require.NotEqual(t, expectedHash, hash[:])
}
// TestSetIDSelfPayments tests that two payments in different directions between
// our own nodes result in a different set id. Htlc ids are counted per
// direction separately and do not unique identify an htlc on the channel in any
// direction.
func TestSetIDSelfPayments(t *testing.T) {
payment1 := []types.HtlcKey{
{Node: common.PubKey{1}, ChanID: 1, HtlcID: 3},
}
hash1 := newSetID(payment1)
payment2 := []types.HtlcKey{
{Node: common.PubKey{2}, ChanID: 1, HtlcID: 3},
}
hash2 := newSetID(payment2)
require.NotEqual(t, hash1, hash2)
}