Require explicit channel type negotiation

This feature was introduced by lightning/bolts#880

We also clean up the channel state machine to leverage the feature bits
added in #237

Author: t-bast

lightning-kmp-test-fixtures/src/commonMain/kotlin/fr/acinq/lightning/tests/TestConstants.kt

@@ -34,8 +34,8 @@ object TestConstants {
 
     object Alice {
         private val entropy = Hex.decode("0101010101010101010101010101010101010101010101010101010101010101")
-        val mnemonics = MnemonicCode.toMnemonics(entropy)
-        val seed = MnemonicCode.toSeed(mnemonics, "").toByteVector32()
+        private val mnemonics = MnemonicCode.toMnemonics(entropy)
+        private val seed = MnemonicCode.toSeed(mnemonics, "").toByteVector32()
 
         val keyManager = LocalKeyManager(seed, Block.RegtestGenesisBlock.hash)
         val walletParams = WalletParams(NodeUri(randomKey().publicKey(), "alice.com", 9735), trampolineFees, InvoiceDefaultRoutingFees(1_000.msat, 100, CltvExpiryDelta(144)))
@@ -54,12 +54,10 @@ object TestConstants {
                 Feature.StaticRemoteKey to FeatureSupport.Mandatory,
                 Feature.AnchorOutputs to FeatureSupport.Mandatory,
                 Feature.TrampolinePayment to FeatureSupport.Optional,
-                Feature.ZeroReserveChannels to FeatureSupport.Optional,
-                Feature.ZeroConfChannels to FeatureSupport.Optional,
-                Feature.WakeUpNotificationClient to FeatureSupport.Optional,
-                Feature.PayToOpenClient to FeatureSupport.Optional,
-                Feature.TrustedSwapInClient to FeatureSupport.Optional,
-                Feature.ChannelBackupClient to FeatureSupport.Optional,
+                Feature.WakeUpNotificationProvider to FeatureSupport.Optional,
+                Feature.PayToOpenProvider to FeatureSupport.Optional,
+                Feature.TrustedSwapInProvider to FeatureSupport.Optional,
+                Feature.ChannelBackupProvider to FeatureSupport.Optional,
             ),
             dustLimit = 1_100.sat,
             maxRemoteDustLimit = 1_500.sat,
@@ -100,7 +98,7 @@ object TestConstants {
             enableTrampolinePayment = true
         )
 
-        val closingPubKeyInfo = keyManager.closingPubkeyScript(PublicKey.Generator)
+        private val closingPubKeyInfo = keyManager.closingPubkeyScript(PublicKey.Generator)
         val channelParams: LocalParams = PeerChannels.makeChannelParams(
             nodeParams,
             defaultFinalScriptPubkey = ByteVector(closingPubKeyInfo.second),
@@ -112,7 +110,7 @@ object TestConstants {
     object Bob {
         private val entropy = Hex.decode("0202020202020202020202020202020202020202020202020202020202020202")
         val mnemonics = MnemonicCode.toMnemonics(entropy)
-        val seed = MnemonicCode.toSeed(mnemonics, "").toByteVector32()
+        private val seed = MnemonicCode.toSeed(mnemonics, "").toByteVector32()
         val keyManager = LocalKeyManager(seed, Block.RegtestGenesisBlock.hash)
         val walletParams = WalletParams(NodeUri(randomKey().publicKey(), "bob.com", 9735), trampolineFees, InvoiceDefaultRoutingFees(1_000.msat, 100, CltvExpiryDelta(144)))
         val nodeParams = NodeParams(
@@ -130,8 +128,6 @@ object TestConstants {
                 Feature.StaticRemoteKey to FeatureSupport.Mandatory,
                 Feature.AnchorOutputs to FeatureSupport.Mandatory,
                 Feature.TrampolinePayment to FeatureSupport.Optional,
-                Feature.ZeroReserveChannels to FeatureSupport.Optional,
-                Feature.ZeroConfChannels to FeatureSupport.Optional,
                 Feature.WakeUpNotificationClient to FeatureSupport.Optional,
                 Feature.PayToOpenClient to FeatureSupport.Optional,
                 Feature.TrustedSwapInClient to FeatureSupport.Optional,
@@ -176,7 +172,7 @@ object TestConstants {
             enableTrampolinePayment = true
         )
 
-        val closingPubKeyInfo = keyManager.closingPubkeyScript(PublicKey.Generator)
+        private val closingPubKeyInfo = keyManager.closingPubkeyScript(PublicKey.Generator)
         val channelParams: LocalParams = PeerChannels.makeChannelParams(
             nodeParams,
             defaultFinalScriptPubkey = ByteVector(closingPubKeyInfo.second),

lightning-kmp-test-fixtures/src/commonMain/kotlin/fr/acinq/lightning/tests/io/peer/builders.kt

@@ -136,7 +136,7 @@ public suspend fun CoroutineScope.newPeer(
         }
 
         val yourLastPerCommitmentSecret = state.commitments.remotePerCommitmentSecrets.lastIndex?.let { state.commitments.remotePerCommitmentSecrets.getHash(it) } ?: ByteVector32.Zeroes
-        val channelKeyPath = peer.nodeParams.keyManager.channelKeyPath(state.commitments.localParams, state.commitments.channelVersion)
+        val channelKeyPath = peer.nodeParams.keyManager.channelKeyPath(state.commitments.localParams, state.commitments.channelConfig)
         val myCurrentPerCommitmentPoint = peer.nodeParams.keyManager.commitmentPoint(channelKeyPath, state.commitments.localCommit.index)
 
         val channelReestablish = ChannelReestablish(