public void TestAddressGenerationFromPublicKey()
{
var expected = "0bebd6f0febfaf32b4c77eae6755b1d83478dcc9185c33c318d4b0a24ba54d68";
var seed = Ed25519Seed.FromMnemonic("witch collapse practice feed shame open despair creek road again ice least");
var address = Ed25519Address.FromPublicKey(seed.KeyPair.PublicKey);
Assert.AreEqual(expected, address.Address);
}
public static ReceiptPayload Deserialize(byte[] payload)
{
var payloadType = BitConverter.ToInt32(payload.Take(4).ToArray(), 0);
var pointer = 4;
if (payloadType != ReceiptPayloadType)
{
throw new Exception($"Payload Type ({payloadType}) is not a receipt payload!");
}
var migratedAt = BitConverter.ToInt32(payload.Skip(pointer).Take(4).ToArray(), 0);
pointer += 4;
var final = payload[pointer] == 1;
pointer += 1;
var fundCount = BitConverter.ToInt16(payload.Skip(pointer).Take(2).ToArray(), 0);
pointer += 2;
var funds = new List <MigratedFunds>();
for (var i = 0; i < fundCount; i++)
{
var tailTransactionHash = payload.Skip(pointer).Take(32).ToHex();
pointer += 32;
var address = Ed25519Address.Deserialize(payload.Skip(pointer).Take(33).ToArray());
pointer += 33;
var deposit = BitConverter.ToInt64(payload.Skip(pointer).Take(8).ToArray(), 0);
pointer += 8;
funds.Add(new MigratedFunds {
Address = address, Deposit = deposit, TailTransactionHash = tailTransactionHash
});
}
var transactionLength = BitConverter.ToInt32(payload.Skip(pointer).Take(4).ToArray(), 0);
pointer += 4;
var transaction =
Payload.Deserialize <TreasuryTransactionPayload>(payload.Skip(pointer).Take(transactionLength).ToArray());
return(new ReceiptPayload
{
Final = final,
Funds = funds,
MigratedAt = migratedAt,
Transaction = transaction,
Type = payloadType
});
}
public async Task <GetUnspentAddressesResponse> GetUnspentAddressesAsync(GetUnspentAddressesRequest request)
{
var nodeInfo = await this.Client.GetNodeInfoAsync();
var state = new InMemoryBip44GeneratorState
{
AccountIndex = request.AccountIndex,
AddressIndex = request.AddressOptions.StartIndex,
IsInternal = false
};
var unspentAddresses = new List <Bech32Address>();
var isFirst = true;
var zeroCount = 0;
var foundAll = false;
do
{
var bip32Path = Bip44AddressGenerator.GenerateAddress(state, isFirst);
isFirst = false;
var addressSeed = request.Seed.GenerateSeedFromPath(bip32Path);
var address = Ed25519Address.FromPublicKey(addressSeed.KeyPair.PublicKey);
var addressWithBalance = await this.Client.GetAddressFromEd25519Async(address.Address);
if (addressWithBalance.Balance == 0)
{
zeroCount++;
if (zeroCount >= request.AddressOptions.ZeroCount)
{
foundAll = true;
}
}
else
{
unspentAddresses.Add(Bech32Address.FromEd25519Address(addressWithBalance, bip32Path, nodeInfo.Bech32Hrp));
if (unspentAddresses.Count == request.AddressOptions.RequiredCount)
{
foundAll = true;
}
}
} while (!foundAll);
return(new GetUnspentAddressesResponse(unspentAddresses));
}
public static Bech32Address FromEd25519Address(Ed25519Address address, Bip32Path path, string humanReadablePart)
{
var addressBytes = new List <byte>()
{
(byte)address.Type
};
addressBytes.AddRange(address.Address.HexToBytes());
return(new Bech32Address
{
Balance = address.Balance,
Path = path,
Address = Crypto.Bech32.Encode(humanReadablePart, addressBytes.ToArray())
});
}
public void TestAddressCreationFromEd25519AddressAndBip31Path()
{
var expectedAddressBech32Address = "iota1qq97h4hsl6l67v45cal2ue64k8vrg7xueyv9cv7rrr2tpgjt54xks8esknu";
var address = new Ed25519Address
{
Address = "0bebd6f0febfaf32b4c77eae6755b1d83478dcc9185c33c318d4b0a24ba54d68", Balance = 100, DustAllowed = true
};
var path = Bip44AddressGenerator.GenerateAddress(1, 1, false);
var actual = Bech32Address.FromEd25519Address(address, path, "iota");
Assert.AreEqual(expectedAddressBech32Address, actual.Address);
Assert.AreEqual(path.ToString(), actual.Path.ToString());
Assert.AreEqual(address.Balance, actual.Balance);
}
public SendTransferRequest(Ed25519Seed seed, Ed25519Address receiver, long amount) : this(seed,
new TransferOutput(receiver, amount))
{
}
public TransferOutput(Ed25519Address receiver, long amount)
{
Receiver = receiver;
Amount = amount;
}
private async Task <Dictionary <UTXOInput, Ed25519Seed> > CalculateInputsAsync(Ed25519Seed seed, List <TransferOutput> outputs, int zeroCount, int accountIndex, int startIndex)
{
var state = new InMemoryBip44GeneratorState
{
AccountIndex = accountIndex,
AddressIndex = startIndex,
IsInternal = false
};
var inputs = new Dictionary <UTXOInput, Ed25519Seed>();
var consumedBalance = 0L;
var isFirst = true;
var zeroBalanceCount = 0;
var requiredBalance = outputs.Sum(o => o.Amount);
var foundAll = false;
do
{
var bip32Path = Bip44AddressGenerator.GenerateAddress(state, isFirst);
isFirst = false;
var addressSeed = seed.GenerateSeedFromPath(bip32Path);
var address = Ed25519Address.FromPublicKey(addressSeed.KeyPair.PublicKey);
var addressOutputs = await this.Client.GetOutputsFromEd25519Async(address.Address);
if (addressOutputs.Count == 0)
{
zeroBalanceCount++;
if (zeroBalanceCount >= zeroCount)
{
foundAll = true;
}
}
else
{
foreach (var outputId in addressOutputs.OutputIds)
{
var addressOutput = await this.Client.FindOutputByIdAsync(outputId);
if (!addressOutput.IsSpent &&
consumedBalance < requiredBalance)
{
if (addressOutput.Output.Amount == 0)
{
zeroBalanceCount++;
if (zeroBalanceCount >= zeroCount)
{
foundAll = true;
}
}
else
{
consumedBalance += addressOutput.Output.Amount;
inputs.Add(
new UTXOInput
{
TransactionId = addressOutput.TransactionId, TransactionOutputIndex = addressOutput.OutputIndex
},
addressSeed);
if (consumedBalance < requiredBalance)
{
continue;
}
if (consumedBalance - requiredBalance > 0)
{
outputs.Add(new TransferOutput(addressOutput.Output.Address, consumedBalance - requiredBalance));
}
foundAll = true;
}
}
}
}
} while (!foundAll);
return(inputs);
}
