public void testTransactionGroup()
{
Address from = new Address("UPYAFLHSIPMJOHVXU2MPLQ46GXJKSDCEMZ6RLCQ7GWB5PRDKJUWKKXECXI");
Address to = new Address("UPYAFLHSIPMJOHVXU2MPLQ46GXJKSDCEMZ6RLCQ7GWB5PRDKJUWKKXECXI");
ulong fee = 1000;
ulong amount = 2000;
string genesisID = "devnet-v1.0";
Digest genesisHash = new Digest("sC3P7e2SdbqKJK0tbiCdK9tdSpbe6XeCGKdoNzmlj0E=");
ulong firstRound1 = 710399;
byte[] note1 = Convert.FromBase64String("wRKw5cJ0CMo=");
var tx1 = new Transaction(from, fee, firstRound1, firstRound1 + 1000,
note1, amount, to, genesisID, genesisHash);
ulong firstRound2 = 710515;
byte[] note2 = Convert.FromBase64String("dBlHI6BdrIg=");
var tx2 = new Transaction(from, fee, firstRound2, firstRound2 + 1000,
note2, amount, to, genesisID, genesisHash);
// check serialization/deserialization without group field
Assert.AreEqual(Encoder.DecodeFromMsgPack <Transaction>(Encoder.EncodeToMsgPack(tx1)), tx1);
Assert.AreEqual(Encoder.DecodeFromMsgPack <Transaction>(Encoder.EncodeToMsgPack(tx2)), tx2);
string goldenTx1 = "gaN0eG6Ko2FtdM0H0KNmZWXNA+iiZnbOAArW/6NnZW6rZGV2bmV0LXYxLjCiZ2jEILAtz+3tknW6iiStLW4gnSvbXUqW3ul3ghinaDc5pY9Bomx2zgAK2uekbm90ZcQIwRKw5cJ0CMqjcmN2xCCj8AKs8kPYlx63ppj1w5410qkMRGZ9FYofNYPXxGpNLKNzbmTEIKPwAqzyQ9iXHremmPXDnjXSqQxEZn0Vih81g9fEak0spHR5cGWjcGF5";
string goldenTx2 = "gaN0eG6Ko2FtdM0H0KNmZWXNA+iiZnbOAArXc6NnZW6rZGV2bmV0LXYxLjCiZ2jEILAtz+3tknW6iiStLW4gnSvbXUqW3ul3ghinaDc5pY9Bomx2zgAK21ukbm90ZcQIdBlHI6BdrIijcmN2xCCj8AKs8kPYlx63ppj1w5410qkMRGZ9FYofNYPXxGpNLKNzbmTEIKPwAqzyQ9iXHremmPXDnjXSqQxEZn0Vih81g9fEak0spHR5cGWjcGF5";
// goal clerk send dumps unsigned transaction as signed with empty signature in order to save tx type
SignedTransaction stx1 = new SignedTransaction(tx1, new Signature(), new MultisigSignature(), new LogicsigSignature(), tx1.TxID());
SignedTransaction stx2 = new SignedTransaction(tx2, new Signature(), new MultisigSignature(), new LogicsigSignature(), tx2.TxID());
Assert.AreEqual(Convert.ToBase64String(Encoder.EncodeToMsgPack(stx1)), goldenTx1);
Assert.AreEqual(Convert.ToBase64String(Encoder.EncodeToMsgPack(stx2)), goldenTx2);
TestUtil.SerializeDeserializeCheck(stx1);
TestUtil.SerializeDeserializeCheck(stx2);
Digest gid = TxGroup.ComputeGroupID(tx1, tx2);
tx1.AssignGroupID(gid);
tx2.AssignGroupID(gid);
// check serialization/deserialization with group field set
Assert.AreEqual(Encoder.DecodeFromMsgPack <Transaction>(Encoder.EncodeToMsgPack(tx1)), tx1);
Assert.AreEqual(Encoder.DecodeFromMsgPack <Transaction>(Encoder.EncodeToMsgPack(tx2)), tx2);
// goal clerk group sets Group to every transaction and concatenate them in output file
// simulating that behavior here
string goldenTxg = "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";
stx1 = new SignedTransaction(tx1, new Signature(), new MultisigSignature(), new LogicsigSignature(), tx1.TxID());
stx2 = new SignedTransaction(tx2, new Signature(), new MultisigSignature(), new LogicsigSignature(), tx2.TxID());
byte[] stx1Enc = Encoder.EncodeToMsgPack(stx1);
byte[] stx2Enc = Encoder.EncodeToMsgPack(stx2);
var concat = stx1Enc.ToList();
concat.AddRange(stx2Enc);
Assert.AreEqual(Convert.ToBase64String(concat.ToArray()), goldenTxg);
// check assignGroupID
Transaction[] result = TxGroup.AssignGroupID(tx1, tx2);
Assert.AreEqual(result.Length, 2);
result = TxGroup.AssignGroupID(from, tx1, tx2);
Assert.AreEqual(result.Length, 2);
result = TxGroup.AssignGroupID(to, tx1, tx2);
Assert.AreEqual(result.Length, 0);
}