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htlcswitch: handle update_fee message received from peer.

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This commit makes the channellink update a channel's fee
if an update_fee message is received from the peer.
This commit is contained in:
Johan T. Halseth
2017-07-14 20:40:42 +02:00
committed by Olaoluwa Osuntokun
parent ebe05f6568
commit f4db249cb8
3 changed files with 36 additions and 9 deletions
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21
htlcswitch/test_utils.go
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@@ -46,8 +46,8 @@ func generateRandomBytes(n int) ([]byte, error) {
// createTestChannel creates the channel and returns our and remote channels
// representations.
func createTestChannel(alicePrivKey, bobPrivKey []byte,
aliceAmount, bobAmount btcutil.Amount, chanID lnwire.ShortChannelID) (
func createTestChannel(alicePrivKey, bobPrivKey []byte, aliceAmount, bobAmount,
feePerKw btcutil.Amount, chanID lnwire.ShortChannelID) (
*lnwallet.LightningChannel, *lnwallet.LightningChannel, func(), error) {
aliceKeyPriv, aliceKeyPub := btcec.PrivKeyFromBytes(btcec.S256(), alicePrivKey)
@@ -58,6 +58,7 @@ func createTestChannel(alicePrivKey, bobPrivKey []byte,
bobDustLimit := btcutil.Amount(800)
csvTimeoutAlice := uint32(5)
csvTimeoutBob := uint32(4)
commitFee := (feePerKw * btcutil.Amount(724)) / 1000
witnessScript, _, err := lnwallet.GenFundingPkScript(
aliceKeyPub.SerializeCompressed(),
@@ -107,7 +108,7 @@ func createTestChannel(alicePrivKey, bobPrivKey []byte,
bobKeyPub,
aliceRevokeKey,
csvTimeoutAlice,
aliceAmount,
aliceAmount-commitFee,
bobAmount,
lnwallet.DefaultDustLimit(),
)
@@ -121,7 +122,7 @@ func createTestChannel(alicePrivKey, bobPrivKey []byte,
bobRevokeKey,
csvTimeoutBob,
bobAmount,
aliceAmount,
aliceAmount-commitFee,
lnwallet.DefaultDustLimit(),
)
if err != nil {
@@ -146,13 +147,15 @@ func createTestChannel(alicePrivKey, bobPrivKey []byte,
aliceChannelState := &channeldb.OpenChannel{
IdentityPub: aliceKeyPub,
ChanID: prevOut,
CommitFee: commitFee,
FeePerKw: feePerKw,
ChanType: channeldb.SingleFunder,
IsInitiator: true,
StateHintObsfucator: obsfucator,
OurCommitKey: aliceKeyPub,
TheirCommitKey: bobKeyPub,
Capacity: channelCapacity,
OurBalance: aliceAmount,
OurBalance: aliceAmount - commitFee,
TheirBalance: bobAmount,
OurCommitTx: aliceCommitTx,
OurCommitSig: bytes.Repeat([]byte{1}, 71),
@@ -173,6 +176,8 @@ func createTestChannel(alicePrivKey, bobPrivKey []byte,
bobChannelState := &channeldb.OpenChannel{
IdentityPub: bobKeyPub,
ChanID: prevOut,
CommitFee: commitFee,
FeePerKw: feePerKw,
ChanType: channeldb.SingleFunder,
IsInitiator: false,
StateHintObsfucator: obsfucator,
@@ -180,7 +185,7 @@ func createTestChannel(alicePrivKey, bobPrivKey []byte,
TheirCommitKey: aliceKeyPub,
Capacity: channelCapacity,
OurBalance: bobAmount,
TheirBalance: aliceAmount,
TheirBalance: aliceAmount - commitFee,
OurCommitTx: bobCommitTx,
OurCommitSig: bytes.Repeat([]byte{1}, 71),
FundingOutpoint: prevOut,
@@ -502,13 +507,13 @@ func newThreeHopNetwork(t *testing.T, aliceToBob,
// Create lightning channels between Alice<->Bob and Bob<->Carol
aliceChannel, firstBobChannel, fCleanUp, err := createTestChannel(
alicePrivKey, bobPrivKey, aliceToBob, aliceToBob, firstChanID)
alicePrivKey, bobPrivKey, aliceToBob, aliceToBob, 0, firstChanID)
if err != nil {
t.Fatalf("unable to create alice<->bob channel: %v", err)
}
secondBobChannel, carolChannel, sCleanUp, err := createTestChannel(
bobPrivKey, carolPrivKey, bobToCarol, bobToCarol, secondChanID)
bobPrivKey, carolPrivKey, bobToCarol, bobToCarol, 0, secondChanID)
if err != nil {
t.Fatalf("unable to create bob<->carol channel: %v", err)
}