public ByteString[] SignByteStrings(IUser[] users, params ByteString[] bs)
{
if (bs == null)
{
return(null);
}
if (bs.Length == 0)
{
return(null);
}
if (bs.Length == 1 && bs[0] == null)
{
return(null);
}
byte[] signbytes = new byte[bs.Sum(a => a.Length)];
int start = 0;
foreach (ByteString b in bs)
{
Array.Copy(b.ToByteArray(), 0, signbytes, start, b.Length);
start += b.Length;
}
ByteString[] ret = new ByteString[users.Length];
int ii = -1;
foreach (IUser user in users)
{
// Get the signing identity from the user
ISigningIdentity si = IdentityFactory.GetSigningIdentity(CryptoPrimitives, user);
// generate signature
ret[++ii] = ByteString.CopyFrom(si.Sign(signbytes));
}
return(ret);
}
//private List<String> attrs;
public TransactionContext(Channel channel, IUser user, ICryptoSuite cryptoPrimitives)
{
User = user;
Channel = channel;
//TODO clean up when public classes are interfaces.
Verify = !"".Equals(channel.Name); //if name is not blank not system channel and need verify.
// this.txID = transactionID;
CryptoPrimitives = cryptoPrimitives;
// Get the signing identity from the user
signingIdentity = IdentityFactory.GetSigningIdentity(cryptoPrimitives, user);
// Serialize signingIdentity
Identity = signingIdentity.CreateSerializedIdentity();
ByteString no = Nonce;
byte[] comp = no.Concat(Identity.ToByteArray()).ToArray();
byte[] txh = cryptoPrimitives.Hash(comp);
// txID = Hex.encodeHexString(txh);
TxID = txh.ToHexString();
toString = $"TransactionContext {{ txID: {TxID} mspid: {user.MspId}, user: {user.Name} }}";
}
