/**
* Private constructor to prevent instantiation.
*/
// static ICryptoSuite suite = null;
/*
* createChannelHeader create chainHeader
*
* @param type header type. See {@link ChannelHeader.Builder#setType}.
* @param txID transaction ID. See {@link ChannelHeader.Builder#setTxId}.
* @param channelID channel ID. See {@link ChannelHeader.Builder#setChannelId}.
* @param epoch the epoch in which this header was generated. See {@link ChannelHeader.Builder#setEpoch}.
* @param timeStamp local time when the message was created. See {@link ChannelHeader.Builder#setTimestamp}.
* @param chaincodeHeaderExtension extension to attach dependent on the header type. See {@link ChannelHeader.Builder#setExtension}.
* @param tlsCertHash
* @return a new chain header.
*/
public static ChannelHeader CreateChannelHeader(HeaderType type, string txID, string channelID, long epoch,
Timestamp timeStamp, ChaincodeHeaderExtension chaincodeHeaderExtension,
byte[] tlsCertHash)
{
if (isDebugLevel)
{
string tlschs = string.Empty;
if (tlsCertHash != null)
{
tlschs = tlsCertHash.ToHexString();
}
logger.Debug($"ChannelHeader: type: {type}, version: 1, Txid: {txID}, channelId: {channelID}, epoch {epoch}, clientTLSCertificate digest: {tlschs}");
}
ChannelHeader ret = new ChannelHeader {
Type = (int)type, Version = 1, TxId = txID, ChannelId = channelID, Timestamp = timeStamp, Epoch = (ulong)epoch
};
if (null != chaincodeHeaderExtension)
{
ret.Extension = chaincodeHeaderExtension.ToByteString();
}
if (tlsCertHash != null)
{
ret.TlsCertHash = ByteString.CopyFrom(tlsCertHash);
}
return(ret);
}
private static Proposal CreateChaincodeProposalWithTxIDNonceAndTransient(ChaincodeSpec ccis, TransactionHeader transactionHeader, Dictionary <string, string> transientMap)
{
var ccHdrExt = new ChaincodeHeaderExtension()
{
ChaincodeId = ccis.ChaincodeId
};
var ccHdrExtBytes = Util.Marshal(ccHdrExt);
var cis = new ChaincodeInvocationSpec()
{
ChaincodeSpec = ccis
};
var cisBytes = Util.Marshal(cis);
var ccPropPayload = new ChaincodeProposalPayload()
{
Input = cisBytes,
TransientMap = Util.ConvertMapField(transientMap)
};
var ccPropPayloadBytes = Util.Marshal(ccPropPayload);
var timestamp = Google.Protobuf.WellKnownTypes.Timestamp.FromDateTime(DateTime.UtcNow);
// TODO: epoch is now set to zero. This must be changed once we
// get a more appropriate mechanism to handle it in.
ulong epoch = 0;
var hdr = new Header()
{
ChannelHeader = Util.Marshal(new ChannelHeader()
{
Type = (int)HeaderType.EndorserTransaction,
TxId = transactionHeader.Id,
Timestamp = timestamp,
ChannelId = transactionHeader.ChannelID,
Extension = ccHdrExtBytes,
Epoch = epoch
}),
SignatureHeader = Util.Marshal(new SignatureHeader()
{
Nonce = transactionHeader.Nonce,
Creator = transactionHeader.Creator
})
};
var hdrBytes = Util.Marshal(hdr);
var prop = new Proposal()
{
Header = hdrBytes,
Payload = ccPropPayloadBytes
};
return(prop);
}
private Proposal CreateFabricProposal(string chID, Protos.Peer.ChaincodeID ccodeID)
{
if (null == transientMap)
{
transientMap = new Dictionary <string, byte[]>();
}
if (IS_DEBUG_LEVEL)
{
foreach (KeyValuePair <string, byte[]> tme in transientMap)
{
logger.Debug($"transientMap('{tme.Key.LogString()}', '{Encoding.UTF8.GetString(tme.Value).LogString()}'))");
}
}
ChaincodeHeaderExtension chaincodeHeaderExtension = new ChaincodeHeaderExtension {
ChaincodeId = ccodeID
};
ChannelHeader chainHeader = ProtoUtils.CreateChannelHeader(HeaderType.EndorserTransaction, context.TxID, chID, context.Epoch, context.FabricTimestamp, chaincodeHeaderExtension, null);
ChaincodeInvocationSpec chaincodeInvocationSpec = CreateChaincodeInvocationSpec(ccodeID, ccType);
ChaincodeProposalPayload payload = new ChaincodeProposalPayload {
Input = chaincodeInvocationSpec.ToByteString()
};
foreach (KeyValuePair <string, byte[]> pair in transientMap)
{
payload.TransientMap.Add(pair.Key, ByteString.CopyFrom(pair.Value));
}
Header header = new Header {
SignatureHeader = ProtoUtils.GetSignatureHeaderAsByteString(context), ChannelHeader = chainHeader.ToByteString()
};
return(new Proposal {
Header = header.ToByteString(), Payload = payload.ToByteString()
});
}
