public Converter(DataType boxedJavaObject, IEssentials essentials, IILFactory ilFactory, ForeignHelpers helpers)
{
Essentials = essentials;
Type = new TypeConverter(this, boxedJavaObject, essentials, helpers);
Name = new NameConverter(this, ilFactory);
Param = new ParamConverter(this);
Signature = new SignatureConverter(this, essentials);
}
public void RawSignatureToTransactionSignatureTest()
{
byte[] rawSignature = "310e45454b0978a623f36a10626ef17b27d9ad44e2760f98cfa3efb37924f0220220bd8acd43ecaa916a80bd4f919c495a2c58982ce7c8625112456464456452".HexToByteArray();
var result = SignatureConverter.RawToTransactionSignature(rawSignature);
var data = result.ToRawSignature();
Assert.Equal(rawSignature.ToHex(), data.ToHex());
}
private void OnClosingSigned(IPeer peer, ClosingSignedMessage message)
{
var channel = _channelService.Channels.SingleOrDefault(c => c.ChannelId == message.ChannelId.ToHex());
if (channel == null)
{
_logger.LogDebug($"Remote sent us a {nameof(ClosingSignedMessage)}, but there is no matching channel.");
peer.Messaging.Send(ErrorMessage.UnknownChannel(message.ChannelId));
return;
}
// TODO: verify signature
var signedCloseTx = BuildSignedCloseTransaction(channel, SignatureConverter.RawToTransactionSignature(message.Signature), message.FeeSatoshi);
if (channel.IsFunder)
{
bool isFairFee = IsFairFee(signedCloseTx, message.FeeSatoshi);
if (isFairFee)
{
_channelLoggingService.LogInfo(channel, "Mutual Close Transaction", signedCloseTx.ToString());
_blockchainClientService.SendTransaction(signedCloseTx);
}
else if (_failedFeeNegotiations.Contains(channel))
{
_logger.LogWarning("Unable to negotiate a fair fee for our closing transaction. Will do a unilateral close.");
UnilateralClose(channel);
}
else
{
_failedFeeNegotiations.Add(channel);
RespondWithClosingSigned(peer, channel);
}
}
else
{
RespondWithClosingSigned(peer, channel, message.FeeSatoshi);
}
_channelService.UpdateChannel(channel);
}
public void Handle(IPeer peer, FundingSignedMessage message, PendingChannel pendingChannel)
{
var channel = pendingChannel.Channel;
var oldState = channel.State;
var signature = SignatureConverter.RawToTransactionSignature(message.Signature);
if (!_commitmentService.IsValidRemoteCommitmentSignature(channel, signature))
{
_channelLoggingService.LogError(channel, LocalChannelError.InvalidCommitmentSignature, $"Remote {peer.NodeAddress} sent us an invalid commitment signature");
string error = "Invalid commitment transaction signature.";
channel.State = LocalChannelState.FundingFailed;
peer.Messaging.Send(new ErrorMessage(message.ChannelId, error));
throw new ChannelException(error, channel);
}
channel.LocalCommitmentTxParameters.RemoteSignature = signature;
channel.State = LocalChannelState.FundingSigned;
_channelService.AddChannel(peer, channel);
_fundingService.BroadcastFundingTransaction(channel);
_blockchainMonitorService.WatchForTransactionId(channel.FundingTransactionId, (ushort)channel.MinimumDepth);
_channelService.RemovePendingChannel(pendingChannel);
_channelLoggingService.LogStateUpdate(channel, oldState);
}
public void ValidateTest()
{
CommitmentTransactionBuilder builder = new CommitmentTransactionBuilder();
/*
* OpenChannelMessage(32)
* Chain Hash (Hash (32 Bytes), 32): 43497fd7f826957108f4a30fd9cec3aeba79972084e90ead01ea330900000000
* Temporary Channel ID (Channel ID, 32): 9b33024da3d0f725434cbaa91dfbdcd18d8e372d879d2a0c94d5e23836786715
* Funding Satoshis (Unsigned Long, 8): 25000 (0x00000000000061a8)
* Push mSat (Unsigned Long, 8): 0 (0x0000000000000000)
* Dust Limit Satoshis (Unsigned Long, 8): 546 (0x0000000000000222)
* Max HTLC Value In Flight mSat (Unsigned Long, 8): 5000000000 (0x000000012a05f200)
* Channel Reserve Satoshis (Unsigned Long, 8): 2500 (0x00000000000009c4)
* HTLC Minimum mSat (Unsigned Long, 8): 1000 (0x00000000000003e8)
* Feerate Per KW (Unsigned Integer, 4): 1011 (0x000003f3)
* To Self Delay (Unsigned Short, 2): 144 (0x0090)
* Max Accepted HTLCs (Unsigned Short, 2): 483 (0x01e3)
* Funding PubKey (Public Key, 33): 0250d049da6b5832a9f2416df3b0db52da127426c2b70a35ca9c270a72f3f840b5
* Revocation Basepoint (Public Key, 33): 022ecc432552ff86d053514ffb133d3025fb14c39aa5ae2a5169b0367174cabfa4
* Payment Basepoint (Public Key, 33): 029d100efe40aa3f58985fa12bd0f5c75711449ff4d30adca6f1968a2200bbbf1a
* Delayed Payment Basepoint (Public Key, 33): 0245b02f6672c2342fe3ced57118fcf4a0309327e32c335ce494365eb0d15b7200
* HTLC Basepoint (Public Key, 33): 03d029229db8f594adcd545b4a42acbb1013286908d2905fa05c9a4e2083fe3fe2
* First Per Commitment Point (Public Key, 33): 02846726efa57378ad8370acf094f26902a7f1e21903791ef4ab6f989da86679f2
* Channel Flags (Byte, 1): 00
* Shutdown ScriptPubKey (Variable Array, 25): 76a9141c60596620b0b9966400cb710b8da6de5a80d68588ac
*
* AcceptChannelMessage(33)
* Temporary Channel ID (Channel ID, 32): 9b33024da3d0f725434cbaa91dfbdcd18d8e372d879d2a0c94d5e23836786715
* Dust Limit Satoshis (Unsigned Long, 8): 573 (0x000000000000023d)
* Max HTLC Value In Flight mSat (Unsigned Long, 8): 24750000 (0x000000000179a7b0)
* Channel Reserve Satoshis (Unsigned Long, 8): 546 (0x0000000000000222)
* HTLC Minimum mSat (Unsigned Long, 8): 1000 (0x00000000000003e8)
* Minimum Depth (Unsigned Integer, 4): 3 (0x00000003)
* To Self Delay (Unsigned Short, 2): 144 (0x0090)
* Max Accepted HTLCs (Unsigned Short, 2): 483 (0x01e3)
* Funding PubKey (Public Key, 33): 0299de4bbf495e5bbeb2456c2beb3f40450a3fa41aaa50819ae201f8ad69226bfe
* Revocation Basepoint (Public Key, 33): 022b2aa486f5a8aca1898824ac3b2a8a15c92de813362846b992f94d923b143f92
* Payment Basepoint (Public Key, 33): 02d91224d91760f477df21d24713b713c681b084e508f48dc77ca14db549ba8ceb
* Delayed Payment Basepoint (Public Key, 33): 0341665cedb568e09f0ab2ab4a28bc2749620deacefb3dce61aac8251c91709d3a
* HTLC Basepoint (Public Key, 33): 0336439e36e2bc1f264c6d3bc6e12db6256389bef2056c32e6267d6e285c2b2122
* First Per Commitment Point (Public Key, 33): 039360132ab07e7f56d6782a644233da9c4c24845609fcd302cbedd69f69848358
*
* FundingCreatedMessage(34)
* Temporary Channel ID (Channel ID, 32): 9b33024da3d0f725434cbaa91dfbdcd18d8e372d879d2a0c94d5e23836786715
* Funding Transaction ID (Transaction ID, 32): 282ea2263611611169ee505fc83979ecaf1ad99b565f9d64c1b1fb804c427da3
* Funding Output Index (Unsigned Short, 2): 1 (0x0001)
* Signature (Signature, 64): 4fed2d370e0166934d63d4b0ca5c523839ca12bc2acdc5c3238c33a1460e409d39a5d267d7132abe3b8c6bf46c2bf456a47b4462931558af371dfd1f7312f0a5
*
* FundingSignedMessage(35)
* Channel ID (Channel ID, 32): 282ea2263611611169ee505fc83979ecaf1ad99b565f9d64c1b1fb804c427da2
* Signature (Signature, 64): 2f26e967305b4d422116a7c876d338bc4298263f329a54c0d1655f55d594de4955356386addd0bc15ced36dacece0af439694195654c838769583409eeac5d3f
*
*/
// Local
ECKeyPair fundingKeyPrivateKey = new ECKeyPair("DD06232AE9A50384A72D85CED6351DCB35C798231D4985615C77D6847F83FC65", true);
ECKeyPair localFundingPubKey = new ECKeyPair("0250d049da6b5832a9f2416df3b0db52da127426c2b70a35ca9c270a72f3f840b5", false);
ECKeyPair localPaymentBasepoint = new ECKeyPair("029d100efe40aa3f58985fa12bd0f5c75711449ff4d30adca6f1968a2200bbbf1a", false);
ECKeyPair localDelayedPaymentBasepoint = new ECKeyPair("0245b02f6672c2342fe3ced57118fcf4a0309327e32c335ce494365eb0d15b7200", false);
ECKeyPair localPerCommitmentPoint = new ECKeyPair("02846726efa57378ad8370acf094f26902a7f1e21903791ef4ab6f989da86679f2", false);
// Remote
ECKeyPair remoteRevocationBasepoint = new ECKeyPair("022b2aa486f5a8aca1898824ac3b2a8a15c92de813362846b992f94d923b143f92", false);
ECKeyPair remotePaymentBasepoint = new ECKeyPair("02d91224d91760f477df21d24713b713c681b084e508f48dc77ca14db549ba8ceb", false);
ECKeyPair remoteFundingKey = new ECKeyPair("0299de4bbf495e5bbeb2456c2beb3f40450a3fa41aaa50819ae201f8ad69226bfe", false);
// Derive Local
RevocationPublicKeyDerivation revocationPublicKeyDerivation = new RevocationPublicKeyDerivation(localPerCommitmentPoint);
PublicKeyDerivation publicKeyDerivation = new PublicKeyDerivation(localPerCommitmentPoint);
ECKeyPair localDelayedPaymentPubkey = publicKeyDerivation.Derive(localDelayedPaymentBasepoint);
ECKeyPair localRevocationPubkey = revocationPublicKeyDerivation.DerivePublicKey(remoteRevocationBasepoint);
builder.CommitmentTxParams = new CommitmentTransactionParameters();
builder.CommitmentTxParams.TransactionNumber = 0;
builder.CommitmentTxParams.RevocationPublicKey = localRevocationPubkey;
builder.CommitmentTxParams.DelayedPaymentPublicKey = localDelayedPaymentPubkey;
builder.CommitmentTxParams.PaymentBasepoint = localPaymentBasepoint;
builder.CommitmentTxParams.FundingKey = localFundingPubKey;
builder.FeeratePerKw = 1011;
builder.CommitmentTxParams.ToLocalMsat = 25000000;
builder.CommitmentTxParams.ToRemoteMsat = 0;
builder.FundingTransactionOutputIndex = 1;
builder.FundingAmount = 25000;
builder.FundingTransactionHash = "a37d424c80fbb1c1649d5f569bd91aafec7939c85f50ee691161113626a22e28";
builder.IsFunder = true;
builder.ChannelParameters = new ChannelParameters();
builder.ChannelParameters.DustLimitSatoshis = 546;
builder.ChannelParameters.ToSelfDelay = 144;
builder.RemotePaymentBasePoint = remotePaymentBasepoint;
builder.RemoteFundingPubKey = remoteFundingKey;
builder.Network = NBitcoin.Network.TestNet;
var signature = SignatureConverter.RawToTransactionSignature("2f26e967305b4d422116a7c876d338bc4298263f329a54c0d1655f55d594de4955356386addd0bc15ced36dacece0af439694195654c838769583409eeac5d3f"
.HexToByteArray());
Assert.True(builder.IsValidSignature(signature, fundingKeyPrivateKey));
}
