private TransactionPayload BuildTransactionPayload(Dictionary <UTXOInput, Ed25519Seed> inputs, List <TransferOutput> outputs, string indexationKey, string data)
{
var mappedOutputs = outputs.Select(output => new SigLockedOutput(output.Receiver.DustAllowed
? SigLockedOutput.SigLockedDustAllowanceOutput
: SigLockedOutput.SigLockedSingleOutputType)
{
Address = output.Receiver, Amount = output.Amount
})
.ToDictionary(mappedOutput => mappedOutput, mappedOutput => mappedOutput.Serialize().ToHex())
.OrderBy(m => m.Value).ToDictionary(m => m.Key, m => m.Value);
var mappedInputs = inputs.Select(input =>
new Tuple <UTXOInput, Ed25519Seed, string>(input.Key, input.Value, input.Key.Serialize().ToHex()))
.OrderBy(i => i.Item3).ToList();
var transactionEssence = new TransactionEssence
{
Inputs = mappedInputs.Select(i => i.Item1).ToList(),
Outputs = mappedOutputs.Select(o => o.Key).ToList(),
Payload = !string.IsNullOrEmpty(indexationKey)
? new IndexationPayload {
Index = indexationKey.ToHex(), Data = data.ToHex()
}
: null
};
var transactionEssenceHash = transactionEssence.CalculateHash();
var unlockBlocks = new List <UnlockBlock>();
var addressToUnlockBlocks = new Dictionary <string, short>();
foreach (var(_, seed, _) in mappedInputs)
{
var addressPublicKey = seed.KeyPair.PublicKey.ToHex();
if (addressToUnlockBlocks.Any(t => t.Key == addressPublicKey))
{
unlockBlocks.Add(new ReferenceUnlockBlock
{
Reference = addressToUnlockBlocks.First(t => t.Key == addressPublicKey).Value
});
}
else
{
unlockBlocks.Add(new SignatureUnlockBlock
{
Signature = Ed25519.Sign(transactionEssenceHash, seed)
});
addressToUnlockBlocks.Add(addressPublicKey, (short)(unlockBlocks.Count - 1));
}
}
return(new TransactionPayload
{
Essence = transactionEssence,
UnlockBlocks = unlockBlocks
});
}
public void TestTransactionHashGeneration()
{
var expected = "41e3c1329ffb610aa30587e9fd6ca3ea3367a684ae20ee5d1cfacc3b6226584c";
var essence = new TransactionEssence
{
Inputs = new List <UTXOInput>
{
new UTXOInput
{
TransactionId =
"c08141e6f09d8da0c7d5604e3e3bab20731948c120af42d58826817eaec9d186",
TransactionOutputIndex = 0
}
},
Outputs = new List <SigLockedOutput>
{
new SigLockedOutput
{
Amount = 1000,
Address = new Ed25519Address
{
Address =
"3f8530482fd6d0e3a198c327f5ce0423f2eb9e22be8c3ab0554d081467b20a5b"
}
}
},
Payload = new IndexationPayload
{
Index = "746573740a",
Data = "746573740a"
}
};
var actual = essence.CalculateHash().ToHex();
Assert.AreEqual(expected, actual);
}
